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FFmpeg
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FFmpeg/configure

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  1. #!/bin/sh

  2. #

  3. # FFmpeg configure script

  4. #

  5. # Copyright (c) 2000-2002 Fabrice Bellard

  6. # Copyright (c) 2005-2008 Diego Biurrun

  7. # Copyright (c) 2005-2008 Mans Rullgard

  8. #

  9. 

  10. # Prevent locale nonsense from breaking basic text processing.

  11. LC_ALL=C

  12. export LC_ALL

  13. 

  14. # make sure we are running under a compatible shell

  15. # try to make this part work with most shells

  16. 

  17. try_exec(){

  18.     echo "Trying shell $1"

  19.     type "$1" > /dev/null 2>&1 && exec "$@"

  20. }

  21. 

  22. unset foo

  23. (: ${foo%%bar}) 2> /dev/null

  24. E1="$?"

  25. 

  26. (: ${foo?}) 2> /dev/null

  27. E2="$?"

  28. 

  29. if test "$E1" != 0 || test "$E2" = 0; then

  30.     echo "Broken shell detected.  Trying alternatives."

  31.     export FF_CONF_EXEC

  32.     if test "0$FF_CONF_EXEC" -lt 1; then

  33.         FF_CONF_EXEC=1

  34.         try_exec bash "$0" "$@"

  35.     fi

  36.     if test "0$FF_CONF_EXEC" -lt 2; then

  37.         FF_CONF_EXEC=2

  38.         try_exec ksh "$0" "$@"

  39.     fi

  40.     if test "0$FF_CONF_EXEC" -lt 3; then

  41.         FF_CONF_EXEC=3

  42.         try_exec /usr/xpg4/bin/sh "$0" "$@"

  43.     fi

  44.     echo "No compatible shell script interpreter found."

  45.     echo "This configure script requires a POSIX-compatible shell"

  46.     echo "such as bash or ksh."

  47.     echo "THIS IS NOT A BUG IN FFMPEG, DO NOT REPORT IT AS SUCH."

  48.     echo "Instead, install a working POSIX-compatible shell."

  49.     echo "Disabling this configure test will create a broken FFmpeg."

  50.     if test "$BASH_VERSION" = '2.04.0(1)-release'; then

  51.         echo "This bash version ($BASH_VERSION) is broken on your platform."

  52.         echo "Upgrade to a later version if available."

  53.     fi

  54.     exit 1

  55. fi

  56. 

  57. test -d /usr/xpg4/bin && PATH=/usr/xpg4/bin:$PATH

  58. 

  59. show_help(){

  60.     cat <<EOF

  61. Usage: configure [options]

  62. Options: [defaults in brackets after descriptions]

  63. 

  64. Help options:

  65.   --help                   print this message

  66.   --quiet                  Suppress showing informative output

  67.   --list-decoders          show all available decoders

  68.   --list-encoders          show all available encoders

  69.   --list-hwaccels          show all available hardware accelerators

  70.   --list-demuxers          show all available demuxers

  71.   --list-muxers            show all available muxers

  72.   --list-parsers           show all available parsers

  73.   --list-protocols         show all available protocols

  74.   --list-bsfs              show all available bitstream filters

  75.   --list-indevs            show all available input devices

  76.   --list-outdevs           show all available output devices

  77.   --list-filters           show all available filters

  78. 

  79. Standard options:

  80.   --logfile=FILE           log tests and output to FILE [ffbuild/config.log]

  81.   --disable-logging        do not log configure debug information

  82.   --fatal-warnings         fail if any configure warning is generated

  83.   --prefix=PREFIX          install in PREFIX [$prefix_default]

  84.   --bindir=DIR             install binaries in DIR [PREFIX/bin]

  85.   --datadir=DIR            install data files in DIR [PREFIX/share/ffmpeg]

  86.   --docdir=DIR             install documentation in DIR [PREFIX/share/doc/ffmpeg]

  87.   --libdir=DIR             install libs in DIR [PREFIX/lib]

  88.   --shlibdir=DIR           install shared libs in DIR [LIBDIR]

  89.   --incdir=DIR             install includes in DIR [PREFIX/include]

  90.   --mandir=DIR             install man page in DIR [PREFIX/share/man]

  91.   --pkgconfigdir=DIR       install pkg-config files in DIR [LIBDIR/pkgconfig]

  92.   --enable-rpath           use rpath to allow installing libraries in paths

  93.                            not part of the dynamic linker search path

  94.                            use rpath when linking programs (USE WITH CARE)

  95.   --install-name-dir=DIR   Darwin directory name for installed targets

  96. 

  97. Licensing options:

  98.   --enable-gpl             allow use of GPL code, the resulting libs

  99.                            and binaries will be under GPL [no]

  100.   --enable-version3        upgrade (L)GPL to version 3 [no]

  101.   --enable-nonfree         allow use of nonfree code, the resulting libs

  102.                            and binaries will be unredistributable [no]

  103. 

  104. Configuration options:

  105.   --disable-static         do not build static libraries [no]

  106.   --enable-shared          build shared libraries [no]

  107.   --enable-small           optimize for size instead of speed

  108.   --disable-runtime-cpudetect disable detecting CPU capabilities at runtime (smaller binary)

  109.   --enable-gray            enable full grayscale support (slower color)

  110.   --disable-swscale-alpha  disable alpha channel support in swscale

  111.   --disable-all            disable building components, libraries and programs

  112.   --disable-autodetect     disable automatically detected external libraries [no]

  113. 

  114. Program options:

  115.   --disable-programs       do not build command line programs

  116.   --disable-ffmpeg         disable ffmpeg build

  117.   --disable-ffplay         disable ffplay build

  118.   --disable-ffprobe        disable ffprobe build

  119. 

  120. Documentation options:

  121.   --disable-doc            do not build documentation

  122.   --disable-htmlpages      do not build HTML documentation pages

  123.   --disable-manpages       do not build man documentation pages

  124.   --disable-podpages       do not build POD documentation pages

  125.   --disable-txtpages       do not build text documentation pages

  126. 

  127. Component options:

  128.   --disable-avdevice       disable libavdevice build

  129.   --disable-avcodec        disable libavcodec build

  130.   --disable-avformat       disable libavformat build

  131.   --disable-swresample     disable libswresample build

  132.   --disable-swscale        disable libswscale build

  133.   --disable-postproc       disable libpostproc build

  134.   --disable-avfilter       disable libavfilter build

  135.   --enable-avresample      enable libavresample build (deprecated) [no]

  136.   --disable-pthreads       disable pthreads [autodetect]

  137.   --disable-w32threads     disable Win32 threads [autodetect]

  138.   --disable-os2threads     disable OS/2 threads [autodetect]

  139.   --disable-network        disable network support [no]

  140.   --disable-dct            disable DCT code

  141.   --disable-dwt            disable DWT code

  142.   --disable-error-resilience disable error resilience code

  143.   --disable-lsp            disable LSP code

  144.   --disable-lzo            disable LZO decoder code

  145.   --disable-mdct           disable MDCT code

  146.   --disable-rdft           disable RDFT code

  147.   --disable-fft            disable FFT code

  148.   --disable-faan           disable floating point AAN (I)DCT code

  149.   --disable-pixelutils     disable pixel utils in libavutil

  150. 

  151. Individual component options:

  152.   --disable-everything     disable all components listed below

  153.   --disable-encoder=NAME   disable encoder NAME

  154.   --enable-encoder=NAME    enable encoder NAME

  155.   --disable-encoders       disable all encoders

  156.   --disable-decoder=NAME   disable decoder NAME

  157.   --enable-decoder=NAME    enable decoder NAME

  158.   --disable-decoders       disable all decoders

  159.   --disable-hwaccel=NAME   disable hwaccel NAME

  160.   --enable-hwaccel=NAME    enable hwaccel NAME

  161.   --disable-hwaccels       disable all hwaccels

  162.   --disable-muxer=NAME     disable muxer NAME

  163.   --enable-muxer=NAME      enable muxer NAME

  164.   --disable-muxers         disable all muxers

  165.   --disable-demuxer=NAME   disable demuxer NAME

  166.   --enable-demuxer=NAME    enable demuxer NAME

  167.   --disable-demuxers       disable all demuxers

  168.   --enable-parser=NAME     enable parser NAME

  169.   --disable-parser=NAME    disable parser NAME

  170.   --disable-parsers        disable all parsers

  171.   --enable-bsf=NAME        enable bitstream filter NAME

  172.   --disable-bsf=NAME       disable bitstream filter NAME

  173.   --disable-bsfs           disable all bitstream filters

  174.   --enable-protocol=NAME   enable protocol NAME

  175.   --disable-protocol=NAME  disable protocol NAME

  176.   --disable-protocols      disable all protocols

  177.   --enable-indev=NAME      enable input device NAME

  178.   --disable-indev=NAME     disable input device NAME

  179.   --disable-indevs         disable input devices

  180.   --enable-outdev=NAME     enable output device NAME

  181.   --disable-outdev=NAME    disable output device NAME

  182.   --disable-outdevs        disable output devices

  183.   --disable-devices        disable all devices

  184.   --enable-filter=NAME     enable filter NAME

  185.   --disable-filter=NAME    disable filter NAME

  186.   --disable-filters        disable all filters

  187. 

  188. External library support:

  189. 

  190.   Using any of the following switches will allow FFmpeg to link to the

  191.   corresponding external library. All the components depending on that library

  192.   will become enabled, if all their other dependencies are met and they are not

  193.   explicitly disabled. E.g. --enable-libwavpack will enable linking to

  194.   libwavpack and allow the libwavpack encoder to be built, unless it is

  195.   specifically disabled with --disable-encoder=libwavpack.

  196. 

  197.   Note that only the system libraries are auto-detected. All the other external

  198.   libraries must be explicitly enabled.

  199. 

  200.   Also note that the following help text describes the purpose of the libraries

  201.   themselves, not all their features will necessarily be usable by FFmpeg.

  202. 

  203.   --disable-alsa           disable ALSA support [autodetect]

  204.   --disable-appkit         disable Apple AppKit framework [autodetect]

  205.   --disable-avfoundation   disable Apple AVFoundation framework [autodetect]

  206.   --enable-avisynth        enable reading of AviSynth script files [no]

  207.   --disable-bzlib          disable bzlib [autodetect]

  208.   --disable-coreimage      disable Apple CoreImage framework [autodetect]

  209.   --enable-chromaprint     enable audio fingerprinting with chromaprint [no]

  210.   --enable-frei0r          enable frei0r video filtering [no]

  211.   --enable-gcrypt          enable gcrypt, needed for rtmp(t)e support

  212.                            if openssl, librtmp or gmp is not used [no]

  213.   --enable-gmp             enable gmp, needed for rtmp(t)e support

  214.                            if openssl or librtmp is not used [no]

  215.   --enable-gnutls          enable gnutls, needed for https support

  216.                            if openssl, libtls or mbedtls is not used [no]

  217.   --disable-iconv          disable iconv [autodetect]

  218.   --enable-jni             enable JNI support [no]

  219.   --enable-ladspa          enable LADSPA audio filtering [no]

  220.   --enable-libaom          enable AV1 video encoding/decoding via libaom [no]

  221.   --enable-libaribb24      enable ARIB text and caption decoding via libaribb24 [no]

  222.   --enable-libass          enable libass subtitles rendering,

  223.                            needed for subtitles and ass filter [no]

  224.   --enable-libbluray       enable BluRay reading using libbluray [no]

  225.   --enable-libbs2b         enable bs2b DSP library [no]

  226.   --enable-libcaca         enable textual display using libcaca [no]

  227.   --enable-libcelt         enable CELT decoding via libcelt [no]

  228.   --enable-libcdio         enable audio CD grabbing with libcdio [no]

  229.   --enable-libcodec2       enable codec2 en/decoding using libcodec2 [no]

  230.   --enable-libdav1d        enable AV1 decoding via libdav1d [no]

  231.   --enable-libdavs2        enable AVS2 decoding via libdavs2 [no]

  232.   --enable-libdc1394       enable IIDC-1394 grabbing using libdc1394

  233.                            and libraw1394 [no]

  234.   --enable-libfdk-aac      enable AAC de/encoding via libfdk-aac [no]

  235.   --enable-libflite        enable flite (voice synthesis) support via libflite [no]

  236.   --enable-libfontconfig   enable libfontconfig, useful for drawtext filter [no]

  237.   --enable-libfreetype     enable libfreetype, needed for drawtext filter [no]

  238.   --enable-libfribidi      enable libfribidi, improves drawtext filter [no]

  239.   --enable-libgme          enable Game Music Emu via libgme [no]

  240.   --enable-libgsm          enable GSM de/encoding via libgsm [no]

  241.   --enable-libiec61883     enable iec61883 via libiec61883 [no]

  242.   --enable-libilbc         enable iLBC de/encoding via libilbc [no]

  243.   --enable-libjack         enable JACK audio sound server [no]

  244.   --enable-libklvanc       enable Kernel Labs VANC processing [no]

  245.   --enable-libkvazaar      enable HEVC encoding via libkvazaar [no]

  246.   --enable-liblensfun      enable lensfun lens correction [no]

  247.   --enable-libmodplug      enable ModPlug via libmodplug [no]

  248.   --enable-libmp3lame      enable MP3 encoding via libmp3lame [no]

  249.   --enable-libopencore-amrnb enable AMR-NB de/encoding via libopencore-amrnb [no]

  250.   --enable-libopencore-amrwb enable AMR-WB decoding via libopencore-amrwb [no]

  251.   --enable-libopencv       enable video filtering via libopencv [no]

  252.   --enable-libopenh264     enable H.264 encoding via OpenH264 [no]

  253.   --enable-libopenjpeg     enable JPEG 2000 de/encoding via OpenJPEG [no]

  254.   --enable-libopenmpt      enable decoding tracked files via libopenmpt [no]

  255.   --enable-libopus         enable Opus de/encoding via libopus [no]

  256.   --enable-libpulse        enable Pulseaudio input via libpulse [no]

  257.   --enable-librav1e        enable AV1 encoding via rav1e [no]

  258.   --enable-librsvg         enable SVG rasterization via librsvg [no]

  259.   --enable-librubberband   enable rubberband needed for rubberband filter [no]

  260.   --enable-librtmp         enable RTMP[E] support via librtmp [no]

  261.   --enable-libshine        enable fixed-point MP3 encoding via libshine [no]

  262.   --enable-libsmbclient    enable Samba protocol via libsmbclient [no]

  263.   --enable-libsnappy       enable Snappy compression, needed for hap encoding [no]

  264.   --enable-libsoxr         enable Include libsoxr resampling [no]

  265.   --enable-libspeex        enable Speex de/encoding via libspeex [no]

  266.   --enable-libsrt          enable Haivision SRT protocol via libsrt [no]

  267.   --enable-libssh          enable SFTP protocol via libssh [no]

  268.   --enable-libtensorflow   enable TensorFlow as a DNN module backend

  269.                            for DNN based filters like sr [no]

  270.   --enable-libtesseract    enable Tesseract, needed for ocr filter [no]

  271.   --enable-libtheora       enable Theora encoding via libtheora [no]

  272.   --enable-libtls          enable LibreSSL (via libtls), needed for https support

  273.                            if openssl, gnutls or mbedtls is not used [no]

  274.   --enable-libtwolame      enable MP2 encoding via libtwolame [no]

  275.   --enable-libv4l2         enable libv4l2/v4l-utils [no]

  276.   --enable-libvidstab      enable video stabilization using vid.stab [no]

  277.   --enable-libvmaf         enable vmaf filter via libvmaf [no]

  278.   --enable-libvo-amrwbenc  enable AMR-WB encoding via libvo-amrwbenc [no]

  279.   --enable-libvorbis       enable Vorbis en/decoding via libvorbis,

  280.                            native implementation exists [no]

  281.   --enable-libvpx          enable VP8 and VP9 de/encoding via libvpx [no]

  282.   --enable-libwavpack      enable wavpack encoding via libwavpack [no]

  283.   --enable-libwebp         enable WebP encoding via libwebp [no]

  284.   --enable-libx264         enable H.264 encoding via x264 [no]

  285.   --enable-libx265         enable HEVC encoding via x265 [no]

  286.   --enable-libxavs         enable AVS encoding via xavs [no]

  287.   --enable-libxavs2        enable AVS2 encoding via xavs2 [no]

  288.   --enable-libxcb          enable X11 grabbing using XCB [autodetect]

  289.   --enable-libxcb-shm      enable X11 grabbing shm communication [autodetect]

  290.   --enable-libxcb-xfixes   enable X11 grabbing mouse rendering [autodetect]

  291.   --enable-libxcb-shape    enable X11 grabbing shape rendering [autodetect]

  292.   --enable-libxvid         enable Xvid encoding via xvidcore,

  293.                            native MPEG-4/Xvid encoder exists [no]

  294.   --enable-libxml2         enable XML parsing using the C library libxml2, needed

  295.                            for dash demuxing support [no]

  296.   --enable-libzimg         enable z.lib, needed for zscale filter [no]

  297.   --enable-libzmq          enable message passing via libzmq [no]

  298.   --enable-libzvbi         enable teletext support via libzvbi [no]

  299.   --enable-lv2             enable LV2 audio filtering [no]

  300.   --disable-lzma           disable lzma [autodetect]

  301.   --enable-decklink        enable Blackmagic DeckLink I/O support [no]

  302.   --enable-mbedtls         enable mbedTLS, needed for https support

  303.                            if openssl, gnutls or libtls is not used [no]

  304.   --enable-mediacodec      enable Android MediaCodec support [no]

  305.   --enable-libmysofa       enable libmysofa, needed for sofalizer filter [no]

  306.   --enable-openal          enable OpenAL 1.1 capture support [no]

  307.   --enable-opencl          enable OpenCL processing [no]

  308.   --enable-opengl          enable OpenGL rendering [no]

  309.   --enable-openssl         enable openssl, needed for https support

  310.                            if gnutls, libtls or mbedtls is not used [no]

  311.   --enable-pocketsphinx    enable PocketSphinx, needed for asr filter [no]

  312.   --disable-sndio          disable sndio support [autodetect]

  313.   --disable-schannel       disable SChannel SSP, needed for TLS support on

  314.                            Windows if openssl and gnutls are not used [autodetect]

  315.   --disable-sdl2           disable sdl2 [autodetect]

  316.   --disable-securetransport disable Secure Transport, needed for TLS support

  317.                            on OSX if openssl and gnutls are not used [autodetect]

  318.   --enable-vapoursynth     enable VapourSynth demuxer [no]

  319.   --disable-xlib           disable xlib [autodetect]

  320.   --disable-zlib           disable zlib [autodetect]

  321. 

  322.   The following libraries provide various hardware acceleration features:

  323.   --disable-amf            disable AMF video encoding code [autodetect]

  324.   --disable-audiotoolbox   disable Apple AudioToolbox code [autodetect]

  325.   --enable-cuda-nvcc       enable Nvidia CUDA compiler [no]

  326.   --disable-cuda-llvm      disable CUDA compilation using clang [autodetect]

  327.   --disable-cuvid          disable Nvidia CUVID support [autodetect]

  328.   --disable-d3d11va        disable Microsoft Direct3D 11 video acceleration code [autodetect]

  329.   --disable-dxva2          disable Microsoft DirectX 9 video acceleration code [autodetect]

  330.   --disable-ffnvcodec      disable dynamically linked Nvidia code [autodetect]

  331.   --enable-libdrm          enable DRM code (Linux) [no]

  332.   --enable-libmfx          enable Intel MediaSDK (AKA Quick Sync Video) code via libmfx [no]

  333.   --enable-libnpp          enable Nvidia Performance Primitives-based code [no]

  334.   --enable-mmal            enable Broadcom Multi-Media Abstraction Layer (Raspberry Pi) via MMAL [no]

  335.   --disable-nvdec          disable Nvidia video decoding acceleration (via hwaccel) [autodetect]

  336.   --disable-nvenc          disable Nvidia video encoding code [autodetect]

  337.   --enable-omx             enable OpenMAX IL code [no]

  338.   --enable-omx-rpi         enable OpenMAX IL code for Raspberry Pi [no]

  339.   --enable-rkmpp           enable Rockchip Media Process Platform code [no]

  340.   --disable-v4l2-m2m       disable V4L2 mem2mem code [autodetect]

  341.   --disable-vaapi          disable Video Acceleration API (mainly Unix/Intel) code [autodetect]

  342.   --disable-vdpau          disable Nvidia Video Decode and Presentation API for Unix code [autodetect]

  343.   --disable-videotoolbox   disable VideoToolbox code [autodetect]

  344. 

  345. Toolchain options:

  346.   --arch=ARCH              select architecture [$arch]

  347.   --cpu=CPU                select the minimum required CPU (affects

  348.                            instruction selection, may crash on older CPUs)

  349.   --cross-prefix=PREFIX    use PREFIX for compilation tools [$cross_prefix]

  350.   --progs-suffix=SUFFIX    program name suffix []

  351.   --enable-cross-compile   assume a cross-compiler is used

  352.   --sysroot=PATH           root of cross-build tree

  353.   --sysinclude=PATH        location of cross-build system headers

  354.   --target-os=OS           compiler targets OS [$target_os]

  355.   --target-exec=CMD        command to run executables on target

  356.   --target-path=DIR        path to view of build directory on target

  357.   --target-samples=DIR     path to samples directory on target

  358.   --tempprefix=PATH        force fixed dir/prefix instead of mktemp for checks

  359.   --toolchain=NAME         set tool defaults according to NAME

  360.                            (gcc-asan, clang-asan, gcc-msan, clang-msan,

  361.                            gcc-tsan, clang-tsan, gcc-usan, clang-usan,

  362.                            valgrind-massif, valgrind-memcheck,

  363.                            msvc, icl, gcov, llvm-cov, hardened)

  364.   --nm=NM                  use nm tool NM [$nm_default]

  365.   --ar=AR                  use archive tool AR [$ar_default]

  366.   --as=AS                  use assembler AS [$as_default]

  367.   --ln_s=LN_S              use symbolic link tool LN_S [$ln_s_default]

  368.   --strip=STRIP            use strip tool STRIP [$strip_default]

  369.   --windres=WINDRES        use windows resource compiler WINDRES [$windres_default]

  370.   --x86asmexe=EXE          use nasm-compatible assembler EXE [$x86asmexe_default]

  371.   --cc=CC                  use C compiler CC [$cc_default]

  372.   --cxx=CXX                use C compiler CXX [$cxx_default]

  373.   --objcc=OCC              use ObjC compiler OCC [$cc_default]

  374.   --dep-cc=DEPCC           use dependency generator DEPCC [$cc_default]

  375.   --nvcc=NVCC              use Nvidia CUDA compiler NVCC or clang [$nvcc_default]

  376.   --ld=LD                  use linker LD [$ld_default]

  377.   --pkg-config=PKGCONFIG   use pkg-config tool PKGCONFIG [$pkg_config_default]

  378.   --pkg-config-flags=FLAGS pass additional flags to pkgconf []

  379.   --ranlib=RANLIB          use ranlib RANLIB [$ranlib_default]

  380.   --doxygen=DOXYGEN        use DOXYGEN to generate API doc [$doxygen_default]

  381.   --host-cc=HOSTCC         use host C compiler HOSTCC

  382.   --host-cflags=HCFLAGS    use HCFLAGS when compiling for host

  383.   --host-cppflags=HCPPFLAGS use HCPPFLAGS when compiling for host

  384.   --host-ld=HOSTLD         use host linker HOSTLD

  385.   --host-ldflags=HLDFLAGS  use HLDFLAGS when linking for host

  386.   --host-extralibs=HLIBS   use libs HLIBS when linking for host

  387.   --host-os=OS             compiler host OS [$target_os]

  388.   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS [$CFLAGS]

  389.   --extra-cxxflags=ECFLAGS add ECFLAGS to CXXFLAGS [$CXXFLAGS]

  390.   --extra-objcflags=FLAGS  add FLAGS to OBJCFLAGS [$CFLAGS]

  391.   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS [$LDFLAGS]

  392.   --extra-ldexeflags=ELDFLAGS add ELDFLAGS to LDEXEFLAGS [$LDEXEFLAGS]

  393.   --extra-ldsoflags=ELDFLAGS add ELDFLAGS to LDSOFLAGS [$LDSOFLAGS]

  394.   --extra-libs=ELIBS       add ELIBS [$ELIBS]

  395.   --extra-version=STRING   version string suffix []

  396.   --optflags=OPTFLAGS      override optimization-related compiler flags

  397.   --nvccflags=NVCCFLAGS    override nvcc flags [$nvccflags_default]

  398.   --build-suffix=SUFFIX    library name suffix []

  399.   --enable-pic             build position-independent code

  400.   --enable-thumb           compile for Thumb instruction set

  401.   --enable-lto             use link-time optimization

  402.   --env="ENV=override"     override the environment variables

  403. 

  404. Advanced options (experts only):

  405.   --malloc-prefix=PREFIX   prefix malloc and related names with PREFIX

  406.   --custom-allocator=NAME  use a supported custom allocator

  407.   --disable-symver         disable symbol versioning

  408.   --enable-hardcoded-tables use hardcoded tables instead of runtime generation

  409.   --disable-safe-bitstream-reader

  410.                            disable buffer boundary checking in bitreaders

  411.                            (faster, but may crash)

  412.   --sws-max-filter-size=N  the max filter size swscale uses [$sws_max_filter_size_default]

  413. 

  414. Optimization options (experts only):

  415.   --disable-asm            disable all assembly optimizations

  416.   --disable-altivec        disable AltiVec optimizations

  417.   --disable-vsx            disable VSX optimizations

  418.   --disable-power8         disable POWER8 optimizations

  419.   --disable-amd3dnow       disable 3DNow! optimizations

  420.   --disable-amd3dnowext    disable 3DNow! extended optimizations

  421.   --disable-mmx            disable MMX optimizations

  422.   --disable-mmxext         disable MMXEXT optimizations

  423.   --disable-sse            disable SSE optimizations

  424.   --disable-sse2           disable SSE2 optimizations

  425.   --disable-sse3           disable SSE3 optimizations

  426.   --disable-ssse3          disable SSSE3 optimizations

  427.   --disable-sse4           disable SSE4 optimizations

  428.   --disable-sse42          disable SSE4.2 optimizations

  429.   --disable-avx            disable AVX optimizations

  430.   --disable-xop            disable XOP optimizations

  431.   --disable-fma3           disable FMA3 optimizations

  432.   --disable-fma4           disable FMA4 optimizations

  433.   --disable-avx2           disable AVX2 optimizations

  434.   --disable-avx512         disable AVX-512 optimizations

  435.   --disable-aesni          disable AESNI optimizations

  436.   --disable-armv5te        disable armv5te optimizations

  437.   --disable-armv6          disable armv6 optimizations

  438.   --disable-armv6t2        disable armv6t2 optimizations

  439.   --disable-vfp            disable VFP optimizations

  440.   --disable-neon           disable NEON optimizations

  441.   --disable-inline-asm     disable use of inline assembly

  442.   --disable-x86asm         disable use of standalone x86 assembly

  443.   --disable-mipsdsp        disable MIPS DSP ASE R1 optimizations

  444.   --disable-mipsdspr2      disable MIPS DSP ASE R2 optimizations

  445.   --disable-msa            disable MSA optimizations

  446.   --disable-msa2           disable MSA2 optimizations

  447.   --disable-mipsfpu        disable floating point MIPS optimizations

  448.   --disable-mmi            disable Loongson SIMD optimizations

  449.   --disable-fast-unaligned consider unaligned accesses slow

  450. 

  451. Developer options (useful when working on FFmpeg itself):

  452.   --disable-debug          disable debugging symbols

  453.   --enable-debug=LEVEL     set the debug level [$debuglevel]

  454.   --disable-optimizations  disable compiler optimizations

  455.   --enable-extra-warnings  enable more compiler warnings

  456.   --disable-stripping      disable stripping of executables and shared libraries

  457.   --assert-level=level     0(default), 1 or 2, amount of assertion testing,

  458.                            2 causes a slowdown at runtime.

  459.   --enable-memory-poisoning fill heap uninitialized allocated space with arbitrary data

  460.   --valgrind=VALGRIND      run "make fate" tests through valgrind to detect memory

  461.                            leaks and errors, using the specified valgrind binary.

  462.                            Cannot be combined with --target-exec

  463.   --enable-ftrapv          Trap arithmetic overflows

  464.   --samples=PATH           location of test samples for FATE, if not set use

  465.                            \$FATE_SAMPLES at make invocation time.

  466.   --enable-neon-clobber-test check NEON registers for clobbering (should be

  467.                            used only for debugging purposes)

  468.   --enable-xmm-clobber-test check XMM registers for clobbering (Win64-only;

  469.                            should be used only for debugging purposes)

  470.   --enable-random          randomly enable/disable components

  471.   --disable-random

  472.   --enable-random=LIST     randomly enable/disable specific components or

  473.   --disable-random=LIST    component groups. LIST is a comma-separated list

  474.                            of NAME[:PROB] entries where NAME is a component

  475.                            (group) and PROB the probability associated with

  476.                            NAME (default 0.5).

  477.   --random-seed=VALUE      seed value for --enable/disable-random

  478.   --disable-valgrind-backtrace do not print a backtrace under Valgrind

  479.                            (only applies to --disable-optimizations builds)

  480.   --enable-ossfuzz         Enable building fuzzer tool

  481.   --libfuzzer=PATH         path to libfuzzer

  482.   --ignore-tests=TESTS     comma-separated list (without "fate-" prefix

  483.                            in the name) of tests whose result is ignored

  484.   --enable-linux-perf      enable Linux Performance Monitor API

  485.   --disable-large-tests    disable tests that use a large amount of memory

  486. 

  487. NOTE: Object files are built at the place where configure is launched.

  488. EOF

  489.   exit 0

  490. }

  491. 

  492. if test -t 1 && which tput >/dev/null 2>&1; then

  493.     ncolors=$(tput colors)

  494.     if test -n "$ncolors" && test $ncolors -ge 8; then

  495.         bold_color=$(tput bold)

  496.         warn_color=$(tput setaf 3)

  497.         error_color=$(tput setaf 1)

  498.         reset_color=$(tput sgr0)

  499.     fi

  500.     # 72 used instead of 80 since that's the default of pr

  501.     ncols=$(tput cols)

  502. fi

  503. : ${ncols:=72}

  504. 

  505. log(){

  506.     echo "$@" >> $logfile

  507. }

  508. 

  509. log_file(){

  510.     log BEGIN "$1"

  511.     log_file_i=1

  512.     while IFS= read -r log_file_line; do

  513.         printf '%5d\t%s\n' "$log_file_i" "$log_file_line"

  514.         log_file_i=$(($log_file_i+1))

  515.     done < "$1" >> "$logfile"

  516.     log END "$1"

  517. }

  518. 

  519. warn(){

  520.     log "WARNING: $*"

  521.     WARNINGS="${WARNINGS}WARNING: $*\n"

  522. }

  523. 

  524. die(){

  525.     log "$@"

  526.     echo "$error_color$bold_color$@$reset_color"

  527.     cat <<EOF

  528. 

  529. If you think configure made a mistake, make sure you are using the latest

  530. version from Git.  If the latest version fails, report the problem to the

  531. ffmpeg-user@ffmpeg.org mailing list or IRC #ffmpeg on irc.freenode.net.

  532. EOF

  533.     if disabled logging; then

  534.         cat <<EOF

  535. Rerun configure with logging enabled (do not use --disable-logging), and

  536. include the log this produces with your report.

  537. EOF

  538.     else

  539.         cat <<EOF

  540. Include the log file "$logfile" produced by configure as this will help

  541. solve the problem.

  542. EOF

  543.     fi

  544.     exit 1

  545. }

  546. 

  547. # Avoid locale weirdness, besides we really just want to translate ASCII.

  548. toupper(){

  549.     echo "$@" | tr abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ

  550. }

  551. 

  552. tolower(){

  553.     echo "$@" | tr ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz

  554. }

  555. 

  556. c_escape(){

  557.     echo "$*" | sed 's/["\\]/\\\0/g'

  558. }

  559. 

  560. sh_quote(){

  561.     v=$(echo "$1" | sed "s/'/'\\\\''/g")

  562.     test "x$v" = "x${v#*[!A-Za-z0-9_/.+-]}" || v="'$v'"

  563.     echo "$v"

  564. }

  565. 

  566. cleanws(){

  567.     echo "$@" | sed 's/^ *//;s/[[:space:]][[:space:]]*/ /g;s/ *$//'

  568. }

  569. 

  570. filter(){

  571.     pat=$1

  572.     shift

  573.     for v; do

  574.         eval "case '$v' in $pat) printf '%s ' '$v' ;; esac"

  575.     done

  576. }

  577. 

  578. filter_out(){

  579.     pat=$1

  580.     shift

  581.     for v; do

  582.         eval "case '$v' in $pat) ;; *) printf '%s ' '$v' ;; esac"

  583.     done

  584. }

  585. 

  586. map(){

  587.     m=$1

  588.     shift

  589.     for v; do eval $m; done

  590. }

  591. 

  592. add_suffix(){

  593.     suffix=$1

  594.     shift

  595.     for v; do echo ${v}${suffix}; done

  596. }

  597. 

  598. remove_suffix(){

  599.     suffix=$1

  600.     shift

  601.     for v; do echo ${v%$suffix}; done

  602. }

  603. 

  604. set_all(){

  605.     value=$1

  606.     shift

  607.     for var in $*; do

  608.         eval $var=$value

  609.     done

  610. }

  611. 

  612. set_weak(){

  613.     value=$1

  614.     shift

  615.     for var; do

  616.         eval : \${$var:=$value}

  617.     done

  618. }

  619. 

  620. sanitize_var_name(){

  621.     echo $@ | sed 's/[^A-Za-z0-9_]/_/g'

  622. }

  623. 

  624. set_sanitized(){

  625.     var=$1

  626.     shift

  627.     eval $(sanitize_var_name "$var")='$*'

  628. }

  629. 

  630. get_sanitized(){

  631.     eval echo \$$(sanitize_var_name "$1")

  632. }

  633. 

  634. pushvar(){

  635.     for pvar in $*; do

  636.         eval level=\${${pvar}_level:=0}

  637.         eval ${pvar}_${level}="\$$pvar"

  638.         eval ${pvar}_level=$(($level+1))

  639.     done

  640. }

  641. 

  642. popvar(){

  643.     for pvar in $*; do

  644.         eval level=\${${pvar}_level:-0}

  645.         test $level = 0 && continue

  646.         eval level=$(($level-1))

  647.         eval $pvar="\${${pvar}_${level}}"

  648.         eval ${pvar}_level=$level

  649.         eval unset ${pvar}_${level}

  650.     done

  651. }

  652. 

  653. request(){

  654.     for var in $*; do

  655.         eval ${var}_requested=yes

  656.         eval $var=

  657.     done

  658. }

  659. 

  660. warn_if_gets_disabled(){

  661.     for var in $*; do

  662.         WARN_IF_GETS_DISABLED_LIST="$WARN_IF_GETS_DISABLED_LIST $var"

  663.     done

  664. }

  665. 

  666. enable(){

  667.     set_all yes $*

  668. }

  669. 

  670. disable(){

  671.     set_all no $*

  672. }

  673. 

  674. disable_with_reason(){

  675.     disable $1

  676.     eval "${1}_disable_reason=\"$2\""

  677.     if requested $1; then

  678.         die "ERROR: $1 requested, but $2"

  679.     fi

  680. }

  681. 

  682. enable_weak(){

  683.     set_weak yes $*

  684. }

  685. 

  686. disable_weak(){

  687.     set_weak no $*

  688. }

  689. 

  690. enable_sanitized(){

  691.     for var; do

  692.         enable $(sanitize_var_name $var)

  693.     done

  694. }

  695. 

  696. disable_sanitized(){

  697.     for var; do

  698.         disable $(sanitize_var_name $var)

  699.     done

  700. }

  701. 

  702. do_enable_deep(){

  703.     for var; do

  704.         enabled $var && continue

  705.         set -- $var

  706.         eval enable_deep \$${var}_select

  707.         var=$1

  708.         eval enable_deep_weak \$${var}_suggest

  709.     done

  710. }

  711. 

  712. enable_deep(){

  713.     do_enable_deep $*

  714.     enable $*

  715. }

  716. 

  717. enable_deep_weak(){

  718.     for var; do

  719.         disabled $var && continue

  720.         set -- $var

  721.         do_enable_deep $var

  722.         var=$1

  723.         enable_weak $var

  724.     done

  725. }

  726. 

  727. requested(){

  728.     test "${1#!}" = "$1" && op="=" || op="!="

  729.     eval test "x\$${1#!}_requested" $op "xyes"

  730. }

  731. 

  732. enabled(){

  733.     test "${1#!}" = "$1" && op="=" || op="!="

  734.     eval test "x\$${1#!}" $op "xyes"

  735. }

  736. 

  737. disabled(){

  738.     test "${1#!}" = "$1" && op="=" || op="!="

  739.     eval test "x\$${1#!}" $op "xno"

  740. }

  741. 

  742. enabled_all(){

  743.     for opt; do

  744.         enabled $opt || return 1

  745.     done

  746. }

  747. 

  748. disabled_all(){

  749.     for opt; do

  750.         disabled $opt || return 1

  751.     done

  752. }

  753. 

  754. enabled_any(){

  755.     for opt; do

  756.         enabled $opt && return 0

  757.     done

  758. }

  759. 

  760. disabled_any(){

  761.     for opt; do

  762.         disabled $opt && return 0

  763.     done

  764.     return 1

  765. }

  766. 

  767. set_default(){

  768.     for opt; do

  769.         eval : \${$opt:=\$${opt}_default}

  770.     done

  771. }

  772. 

  773. is_in(){

  774.     value=$1

  775.     shift

  776.     for var in $*; do

  777.         [ $var = $value ] && return 0

  778.     done

  779.     return 1

  780. }

  781. 

  782. # The cfg loop is very hot (several thousands iterations), and in bash also

  783. # potentialy quite slow. Try to abort the iterations early, preferably without

  784. # calling functions. 70%+ of the time cfg is already done or without deps.

  785. check_deps(){

  786.     for cfg; do

  787.         eval [ x\$${cfg}_checking = xdone ] && continue

  788.         eval [ x\$${cfg}_checking = xinprogress ] && die "Circular dependency for $cfg."

  789. 

  790.         eval "

  791.         dep_all=\$${cfg}_deps

  792.         dep_any=\$${cfg}_deps_any

  793.         dep_con=\$${cfg}_conflict

  794.         dep_sel=\$${cfg}_select

  795.         dep_sgs=\$${cfg}_suggest

  796.         dep_ifa=\$${cfg}_if

  797.         dep_ifn=\$${cfg}_if_any

  798.         "

  799. 

  800.         # most of the time here $cfg has no deps - avoid costly no-op work

  801.         if [ "$dep_all$dep_any$dep_con$dep_sel$dep_sgs$dep_ifa$dep_ifn" ]; then

  802.             eval ${cfg}_checking=inprogress

  803. 

  804.             set -- $cfg "$dep_all" "$dep_any" "$dep_con" "$dep_sel" "$dep_sgs" "$dep_ifa" "$dep_ifn"

  805.             check_deps $dep_all $dep_any $dep_con $dep_sel $dep_sgs $dep_ifa $dep_ifn

  806.             cfg=$1; dep_all=$2; dep_any=$3; dep_con=$4; dep_sel=$5 dep_sgs=$6; dep_ifa=$7; dep_ifn=$8

  807. 

  808.             [ -n "$dep_ifa" ] && { enabled_all $dep_ifa && enable_weak $cfg; }

  809.             [ -n "$dep_ifn" ] && { enabled_any $dep_ifn && enable_weak $cfg; }

  810.             enabled_all  $dep_all || { disable_with_reason $cfg "not all dependencies are satisfied: $dep_all"; }

  811.             enabled_any  $dep_any || { disable_with_reason $cfg "not any dependency is satisfied: $dep_any"; }

  812.             disabled_all $dep_con || { disable_with_reason $cfg "some conflicting dependencies are unsatisfied: $dep_con"; }

  813.             disabled_any $dep_sel && { disable_with_reason $cfg "some selected dependency is unsatisfied: $dep_sel"; }

  814. 

  815.             enabled $cfg && enable_deep_weak $dep_sel $dep_sgs

  816. 

  817.             for dep in $dep_all $dep_any $dep_sel $dep_sgs; do

  818.                 # filter out library deps, these do not belong in extralibs

  819.                 is_in $dep $LIBRARY_LIST && continue

  820.                 enabled $dep && eval append ${cfg}_extralibs ${dep}_extralibs

  821.             done

  822.         fi

  823. 

  824.         eval ${cfg}_checking=done

  825.     done

  826. }

  827. 

  828. print_config(){

  829.     pfx=$1

  830.     files=$2

  831.     shift 2

  832.     map 'eval echo "$v \${$v:-no}"' "$@" |

  833.     awk "BEGIN { split(\"$files\", files) }

  834.         {

  835.             c = \"$pfx\" toupper(\$1);

  836.             v = \$2;

  837.             sub(/yes/, 1, v);

  838.             sub(/no/,  0, v);

  839.             for (f in files) {

  840.                 file = files[f];

  841.                 if (file ~ /\\.h\$/) {

  842.                     printf(\"#define %s %d\\n\", c, v) >>file;

  843.                 } else if (file ~ /\\.asm\$/) {

  844.                     printf(\"%%define %s %d\\n\", c, v) >>file;

  845.                 } else if (file ~ /\\.mak\$/) {

  846.                     n = -v ? \"\" : \"!\";

  847.                     printf(\"%s%s=yes\\n\", n, c) >>file;

  848.                 } else if (file ~ /\\.texi\$/) {

  849.                     pre = -v ? \"\" : \"@c \";

  850.                     yesno = \$2;

  851.                     c2 = tolower(c);

  852.                     gsub(/_/, \"-\", c2);

  853.                     printf(\"%s@set %s %s\\n\", pre, c2, yesno) >>file;

  854.                 }

  855.             }

  856.         }"

  857. }

  858. 

  859. print_enabled(){

  860.     suf=$1

  861.     shift

  862.     for v; do

  863.         enabled $v && printf "%s\n" ${v%$suf}

  864.     done

  865. }

  866. 

  867. append(){

  868.     var=$1

  869.     shift

  870.     eval "$var=\"\$$var $*\""

  871. }

  872. 

  873. prepend(){

  874.     var=$1

  875.     shift

  876.     eval "$var=\"$* \$$var\""

  877. }

  878. 

  879. reverse () {

  880.     eval '

  881.         reverse_out=

  882.         for v in $'$1'; do

  883.             reverse_out="$v $reverse_out"

  884.         done

  885.         '$1'=$reverse_out

  886.     '

  887. }

  888. 

  889. # keeps the last occurence of each non-unique item

  890. unique(){

  891.     unique_out=

  892.     eval unique_in=\$$1

  893.     reverse unique_in

  894.     for v in $unique_in; do

  895.         # " $unique_out" +space such that every item is surrounded with spaces

  896.         case " $unique_out" in *" $v "*) continue; esac  # already in list

  897.         unique_out="$unique_out$v "

  898.     done

  899.     reverse unique_out

  900.     eval $1=\$unique_out

  901. }

  902. 

  903. resolve(){

  904.     resolve_out=

  905.     eval resolve_in=\$$1

  906.     for v in $resolve_in; do

  907.         eval 'resolve_out="$resolve_out$'$v' "'

  908.     done

  909.     eval $1=\$resolve_out

  910. }

  911. 

  912. add_cppflags(){

  913.     append CPPFLAGS "$@"

  914. }

  915. 

  916. add_cflags(){

  917.     append CFLAGS $($cflags_filter "$@")

  918. }

  919. 

  920. add_cflags_headers(){

  921.     append CFLAGS_HEADERS $($cflags_filter "$@")

  922. }

  923. 

  924. add_cxxflags(){

  925.     append CXXFLAGS $($cflags_filter "$@")

  926. }

  927. 

  928. add_objcflags(){

  929.     append OBJCFLAGS $($objcflags_filter "$@")

  930. }

  931. 

  932. add_asflags(){

  933.     append ASFLAGS $($asflags_filter "$@")

  934. }

  935. 

  936. add_ldflags(){

  937.     append LDFLAGS $($ldflags_filter "$@")

  938. }

  939. 

  940. add_ldexeflags(){

  941.     append LDEXEFLAGS $($ldflags_filter "$@")

  942. }

  943. 

  944. add_ldsoflags(){

  945.     append LDSOFLAGS $($ldflags_filter "$@")

  946. }

  947. 

  948. add_extralibs(){

  949.     prepend extralibs $($ldflags_filter "$@")

  950. }

  951. 

  952. add_stripflags(){

  953.     append ASMSTRIPFLAGS "$@"

  954. }

  955. 

  956. add_host_cppflags(){

  957.     append host_cppflags "$@"

  958. }

  959. 

  960. add_host_cflags(){

  961.     append host_cflags $($host_cflags_filter "$@")

  962. }

  963. 

  964. add_host_ldflags(){

  965.     append host_ldflags $($host_ldflags_filter "$@")

  966. }

  967. 

  968. add_compat(){

  969.     append compat_objs $1

  970.     shift

  971.     map 'add_cppflags -D$v' "$@"

  972. }

  973. 

  974. test_cmd(){

  975.     log "$@"

  976.     "$@" >> $logfile 2>&1

  977. }

  978. 

  979. test_stat(){

  980.     log test_stat "$@"

  981.     stat "$1" >> $logfile 2>&1

  982. }

  983. 

  984. cc_e(){

  985.     eval printf '%s\\n' $CC_E

  986. }

  987. 

  988. cc_o(){

  989.     eval printf '%s\\n' $CC_O

  990. }

  991. 

  992. as_o(){

  993.     eval printf '%s\\n' $AS_O

  994. }

  995. 

  996. x86asm_o(){

  997.     eval printf '%s\\n' $X86ASM_O

  998. }

  999. 

  1000. ld_o(){

  1001.     eval printf '%s\\n' $LD_O

  1002. }

  1003. 

  1004. hostcc_e(){

  1005.     eval printf '%s\\n' $HOSTCC_E

  1006. }

  1007. 

  1008. hostcc_o(){

  1009.     eval printf '%s\\n' $HOSTCC_O

  1010. }

  1011. 

  1012. nvcc_o(){

  1013.     eval printf '%s\\n' $NVCC_O

  1014. }

  1015. 

  1016. test_cc(){

  1017.     log test_cc "$@"

  1018.     cat > $TMPC

  1019.     log_file $TMPC

  1020.     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $CC_C $(cc_o $TMPO) $TMPC

  1021. }

  1022. 

  1023. test_cxx(){

  1024.     log test_cxx "$@"

  1025.     cat > $TMPCPP

  1026.     log_file $TMPCPP

  1027.     test_cmd $cxx $CPPFLAGS $CFLAGS $CXXFLAGS "$@" $CXX_C -o $TMPO $TMPCPP

  1028. }

  1029. 

  1030. test_objcc(){

  1031.     log test_objcc "$@"

  1032.     cat > $TMPM

  1033.     log_file $TMPM

  1034.     test_cmd $objcc -Werror=missing-prototypes $CPPFLAGS $CFLAGS $OBJCFLAGS "$@" $OBJCC_C $(cc_o $TMPO) $TMPM

  1035. }

  1036. 

  1037. test_nvcc(){

  1038.     log test_nvcc "$@"

  1039.     cat > $TMPCU

  1040.     log_file $TMPCU

  1041.     tmpcu_=$TMPCU

  1042.     tmpo_=$TMPO

  1043.     [ -x "$(command -v cygpath)" ] && tmpcu_=$(cygpath -m $tmpcu_) && tmpo_=$(cygpath -m $tmpo_)

  1044.     test_cmd $nvcc $nvccflags "$@" $NVCC_C $(nvcc_o $tmpo_) $tmpcu_

  1045. }

  1046. 

  1047. check_nvcc() {

  1048.     log check_nvcc "$@"

  1049.     name=$1

  1050.     shift 1

  1051.     disabled $name && return

  1052.     disable $name

  1053.     test_nvcc "$@" <<EOF && enable $name

  1054. extern "C" {

  1055.     __global__ void hello(unsigned char *data) {}

  1056. }

  1057. EOF

  1058. }

  1059. 

  1060. test_cpp(){

  1061.     log test_cpp "$@"

  1062.     cat > $TMPC

  1063.     log_file $TMPC

  1064.     test_cmd $cc $CPPFLAGS $CFLAGS "$@" $(cc_e $TMPO) $TMPC

  1065. }

  1066. 

  1067. test_as(){

  1068.     log test_as "$@"

  1069.     cat > $TMPS

  1070.     log_file $TMPS

  1071.     test_cmd $as $CPPFLAGS $ASFLAGS "$@" $AS_C $(as_o $TMPO) $TMPS

  1072. }

  1073. 

  1074. test_x86asm(){

  1075.     log test_x86asm "$@"

  1076.     echo "$1" > $TMPASM

  1077.     log_file $TMPASM

  1078.     shift

  1079.     test_cmd $x86asmexe $X86ASMFLAGS -Werror "$@" $(x86asm_o $TMPO) $TMPASM

  1080. }

  1081. 

  1082. check_cmd(){

  1083.     log check_cmd "$@"

  1084.     cmd=$1

  1085.     disabled $cmd && return

  1086.     disable $cmd

  1087.     test_cmd $@ && enable $cmd

  1088. }

  1089. 

  1090. check_as(){

  1091.     log check_as "$@"

  1092.     name=$1

  1093.     code=$2

  1094.     shift 2

  1095.     disable $name

  1096.     test_as $@ <<EOF && enable $name

  1097. $code

  1098. EOF

  1099. }

  1100. 

  1101. check_inline_asm(){

  1102.     log check_inline_asm "$@"

  1103.     name="$1"

  1104.     code="$2"

  1105.     shift 2

  1106.     disable $name

  1107.     test_cc "$@" <<EOF && enable $name

  1108. void foo(void){ __asm__ volatile($code); }

  1109. EOF

  1110. }

  1111. 

  1112. check_inline_asm_flags(){

  1113.     log check_inline_asm_flags "$@"

  1114.     name="$1"

  1115.     code="$2"

  1116.     flags=''

  1117.     shift 2

  1118.     while [ "$1" != "" ]; do

  1119.       append flags $1

  1120.       shift

  1121.     done;

  1122.     disable $name

  1123.     cat > $TMPC <<EOF

  1124. void foo(void){ __asm__ volatile($code); }

  1125. EOF

  1126.     log_file $TMPC

  1127.     test_cmd $cc $CPPFLAGS $CFLAGS $flags "$@" $CC_C $(cc_o $TMPO) $TMPC &&

  1128.     enable $name && add_cflags $flags && add_asflags $flags && add_ldflags $flags

  1129. }

  1130. 

  1131. check_insn(){

  1132.     log check_insn "$@"

  1133.     check_inline_asm ${1}_inline "\"$2\""

  1134.     check_as ${1}_external "$2"

  1135. }

  1136. 

  1137. check_x86asm(){

  1138.     log check_x86asm "$@"

  1139.     name=$1

  1140.     shift

  1141.     disable $name

  1142.     test_x86asm "$@" && enable $name

  1143. }

  1144. 

  1145. test_ld(){

  1146.     log test_ld "$@"

  1147.     type=$1

  1148.     shift 1

  1149.     flags=$(filter_out '-l*|*.so' $@)

  1150.     libs=$(filter '-l*|*.so' $@)

  1151.     test_$type $($cflags_filter $flags) || return

  1152.     flags=$($ldflags_filter $flags)

  1153.     libs=$($ldflags_filter $libs)

  1154.     test_cmd $ld $LDFLAGS $LDEXEFLAGS $flags $(ld_o $TMPE) $TMPO $libs $extralibs

  1155. }

  1156. 

  1157. check_ld(){

  1158.     log check_ld "$@"

  1159.     type=$1

  1160.     name=$2

  1161.     shift 2

  1162.     disable $name

  1163.     test_ld $type $@ && enable $name

  1164. }

  1165. 

  1166. print_include(){

  1167.     hdr=$1

  1168.     test "${hdr%.h}" = "${hdr}" &&

  1169.         echo "#include $hdr"    ||

  1170.         echo "#include <$hdr>"

  1171. }

  1172. 

  1173. test_code(){

  1174.     log test_code "$@"

  1175.     check=$1

  1176.     headers=$2

  1177.     code=$3

  1178.     shift 3

  1179.     {

  1180.         for hdr in $headers; do

  1181.             print_include $hdr

  1182.         done

  1183.         echo "int main(void) { $code; return 0; }"

  1184.     } | test_$check "$@"

  1185. }

  1186. 

  1187. check_cppflags(){

  1188.     log check_cppflags "$@"

  1189.     test_cpp "$@" <<EOF && append CPPFLAGS "$@"

  1190. #include <stdlib.h>

  1191. EOF

  1192. }

  1193. 

  1194. test_cflags(){

  1195.     log test_cflags "$@"

  1196.     set -- $($cflags_filter "$@")

  1197.     test_cc "$@" <<EOF

  1198. int x;

  1199. EOF

  1200. }

  1201. 

  1202. check_cflags(){

  1203.     log check_cflags "$@"

  1204.     test_cflags "$@" && add_cflags "$@"

  1205. }

  1206. 

  1207. check_cxxflags(){

  1208.     log check_cxxflags "$@"

  1209.     set -- $($cflags_filter "$@")

  1210.     test_cxx "$@" <<EOF && append CXXFLAGS "$@"

  1211. int x;

  1212. EOF

  1213. }

  1214. 

  1215. test_objcflags(){

  1216.     log test_objcflags "$@"

  1217.     set -- $($objcflags_filter "$@")

  1218.     test_objcc "$@" <<EOF

  1219. int x;

  1220. EOF

  1221. }

  1222. 

  1223. check_objcflags(){

  1224.     log check_objcflags "$@"

  1225.     test_objcflags "$@" && add_objcflags "$@"

  1226. }

  1227. 

  1228. test_ldflags(){

  1229.     log test_ldflags "$@"

  1230.     set -- $($ldflags_filter "$@")

  1231.     test_ld "cc" "$@" <<EOF

  1232. int main(void){ return 0; }

  1233. EOF

  1234. }

  1235. 

  1236. check_ldflags(){

  1237.     log check_ldflags "$@"

  1238.     test_ldflags "$@" && add_ldflags "$@"

  1239. }

  1240. 

  1241. test_stripflags(){

  1242.     log test_stripflags "$@"

  1243.     # call test_cc to get a fresh TMPO

  1244.     test_cc <<EOF

  1245. int main(void) { return 0; }

  1246. EOF

  1247.     test_cmd $strip $ASMSTRIPFLAGS "$@" $TMPO

  1248. }

  1249. 

  1250. check_stripflags(){

  1251.     log check_stripflags "$@"

  1252.     test_stripflags "$@" && add_stripflags "$@"

  1253. }

  1254. 

  1255. check_headers(){

  1256.     log check_headers "$@"

  1257.     headers=$1

  1258.     shift

  1259.     disable_sanitized $headers

  1260.     {

  1261.         for hdr in $headers; do

  1262.             print_include $hdr

  1263.         done

  1264.         echo "int x;"

  1265.     } | test_cpp "$@" && enable_sanitized $headers

  1266. }

  1267. 

  1268. check_header_objcc(){

  1269.     log check_header_objcc "$@"

  1270.     rm -f -- "$TMPO"

  1271.     header=$1

  1272.     shift

  1273.     disable_sanitized $header

  1274.     {

  1275.        echo "#include <$header>"

  1276.        echo "int main(void) { return 0; }"

  1277.     } | test_objcc && test_stat "$TMPO" && enable_sanitized $header

  1278. }

  1279. 

  1280. check_apple_framework(){

  1281.     log check_apple_framework "$@"

  1282.     framework="$1"

  1283.     name="$(tolower $framework)"

  1284.     header="${framework}/${framework}.h"

  1285.     disable $name

  1286.     check_header_objcc $header &&

  1287.         enable $name && eval ${name}_extralibs='"-framework $framework"'

  1288. }

  1289. 

  1290. check_func(){

  1291.     log check_func "$@"

  1292.     func=$1

  1293.     shift

  1294.     disable $func

  1295.     test_ld "cc" "$@" <<EOF && enable $func

  1296. extern int $func();

  1297. int main(void){ $func(); }

  1298. EOF

  1299. }

  1300. 

  1301. check_complexfunc(){

  1302.     log check_complexfunc "$@"

  1303.     func=$1

  1304.     narg=$2

  1305.     shift 2

  1306.     test $narg = 2 && args="f, g" || args="f * I"

  1307.     disable $func

  1308.     test_ld "cc" "$@" <<EOF && enable $func

  1309. #include <complex.h>

  1310. #include <math.h>

  1311. float foo(complex float f, complex float g) { return $func($args); }

  1312. int main(void){ return (int) foo; }

  1313. EOF

  1314. }

  1315. 

  1316. check_mathfunc(){

  1317.     log check_mathfunc "$@"

  1318.     func=$1

  1319.     narg=$2

  1320.     shift 2

  1321.     test $narg = 2 && args="f, g" || args="f"

  1322.     disable $func

  1323.     test_ld "cc" "$@" <<EOF && enable $func

  1324. #include <math.h>

  1325. float foo(float f, float g) { return $func($args); }

  1326. int main(void){ return (int) foo; }

  1327. EOF

  1328. }

  1329. 

  1330. check_func_headers(){

  1331.     log check_func_headers "$@"

  1332.     headers=$1

  1333.     funcs=$2

  1334.     shift 2

  1335.     {

  1336.         for hdr in $headers; do

  1337.             print_include $hdr

  1338.         done

  1339.         echo "#include <stdint.h>"

  1340.         for func in $funcs; do

  1341.             echo "long check_$func(void) { return (long) $func; }"

  1342.         done

  1343.         echo "int main(void) { int ret = 0;"

  1344.         # LTO could optimize out the test functions without this

  1345.         for func in $funcs; do

  1346.             echo " ret |= ((intptr_t)check_$func) & 0xFFFF;"

  1347.         done

  1348.         echo "return ret; }"

  1349.     } | test_ld "cc" "$@" && enable $funcs && enable_sanitized $headers

  1350. }

  1351. 

  1352. check_class_headers_cpp(){

  1353.     log check_class_headers_cpp "$@"

  1354.     headers=$1

  1355.     classes=$2

  1356.     shift 2

  1357.     {

  1358.         for hdr in $headers; do

  1359.             echo "#include <$hdr>"

  1360.         done

  1361.         echo "int main(void) { "

  1362.         i=1

  1363.         for class in $classes; do

  1364.             echo "$class obj$i;"

  1365.             i=$(expr $i + 1)

  1366.         done

  1367.         echo "return 0; }"

  1368.     } | test_ld "cxx" "$@" && enable $funcs && enable_sanitized $headers

  1369. }

  1370. 

  1371. test_cpp_condition(){

  1372.     log test_cpp_condition "$@"

  1373.     header=$1

  1374.     condition=$2

  1375.     shift 2

  1376.     test_cpp "$@" <<EOF

  1377. #include <$header>

  1378. #if !($condition)

  1379. #error "unsatisfied condition: $condition"

  1380. #endif

  1381. EOF

  1382. }

  1383. 

  1384. check_cpp_condition(){

  1385.     log check_cpp_condition "$@"

  1386.     name=$1

  1387.     shift 1

  1388.     disable $name

  1389.     test_cpp_condition "$@" && enable $name

  1390. }

  1391. 

  1392. test_cflags_cc(){

  1393.     log test_cflags_cc "$@"

  1394.     flags=$1

  1395.     header=$2

  1396.     condition=$3

  1397.     shift 3

  1398.     set -- $($cflags_filter "$flags")

  1399.     test_cc "$@" <<EOF

  1400. #include <$header>

  1401. #if !($condition)

  1402. #error "unsatisfied condition: $condition"

  1403. #endif

  1404. EOF

  1405. }

  1406. 

  1407. check_lib(){

  1408.     log check_lib "$@"

  1409.     name="$1"

  1410.     headers="$2"

  1411.     funcs="$3"

  1412.     shift 3

  1413.     disable $name

  1414.     check_func_headers "$headers" "$funcs" "$@" &&

  1415.         enable $name && eval ${name}_extralibs="\$@"

  1416. }

  1417. 

  1418. check_lib_cpp(){

  1419.     log check_lib_cpp "$@"

  1420.     name="$1"

  1421.     headers="$2"

  1422.     classes="$3"

  1423.     shift 3

  1424.     disable $name

  1425.     check_class_headers_cpp "$headers" "$classes" "$@" &&

  1426.         enable $name && eval ${name}_extralibs="\$@"

  1427. }

  1428. 

  1429. test_pkg_config(){

  1430.     log test_pkg_config "$@"

  1431.     name="$1"

  1432.     pkg_version="$2"

  1433.     pkg="${2%% *}"

  1434.     headers="$3"

  1435.     funcs="$4"

  1436.     shift 4

  1437.     disable $name

  1438.     test_cmd $pkg_config --exists --print-errors $pkg_version || return

  1439.     pkg_cflags=$($pkg_config --cflags $pkg_config_flags $pkg)

  1440.     pkg_libs=$($pkg_config --libs $pkg_config_flags $pkg)

  1441.     check_func_headers "$headers" "$funcs" $pkg_cflags $pkg_libs "$@" &&

  1442.         enable $name &&

  1443.         set_sanitized "${name}_cflags"    $pkg_cflags &&

  1444.         set_sanitized "${name}_extralibs" $pkg_libs

  1445. }

  1446. 

  1447. check_pkg_config(){

  1448.     log check_pkg_config "$@"

  1449.     name="$1"

  1450.     test_pkg_config "$@" &&

  1451.         eval add_cflags \$${name}_cflags

  1452. }

  1453. 

  1454. test_exec(){

  1455.     test_ld "cc" "$@" && { enabled cross_compile || $TMPE >> $logfile 2>&1; }

  1456. }

  1457. 

  1458. check_exec_crash(){

  1459.     log check_exec_crash "$@"

  1460.     code=$(cat)

  1461. 

  1462.     # exit() is not async signal safe.  _Exit (C99) and _exit (POSIX)

  1463.     # are safe but may not be available everywhere.  Thus we use

  1464.     # raise(SIGTERM) instead.  The check is run in a subshell so we

  1465.     # can redirect the "Terminated" message from the shell.  SIGBUS

  1466.     # is not defined by standard C so it is used conditionally.

  1467. 

  1468.     (test_exec "$@") >> $logfile 2>&1 <<EOF

  1469. #include <signal.h>

  1470. static void sighandler(int sig){

  1471.     raise(SIGTERM);

  1472. }

  1473. int foo(void){

  1474.     $code

  1475. }

  1476. int (*func_ptr)(void) = foo;

  1477. int main(void){

  1478.     signal(SIGILL, sighandler);

  1479.     signal(SIGFPE, sighandler);

  1480.     signal(SIGSEGV, sighandler);

  1481. #ifdef SIGBUS

  1482.     signal(SIGBUS, sighandler);

  1483. #endif

  1484.     return func_ptr();

  1485. }

  1486. EOF

  1487. }

  1488. 

  1489. check_type(){

  1490.     log check_type "$@"

  1491.     headers=$1

  1492.     type=$2

  1493.     shift 2

  1494.     disable_sanitized "$type"

  1495.     test_code cc "$headers" "$type v" "$@" && enable_sanitized "$type"

  1496. }

  1497. 

  1498. check_struct(){

  1499.     log check_struct "$@"

  1500.     headers=$1

  1501.     struct=$2

  1502.     member=$3

  1503.     shift 3

  1504.     disable_sanitized "${struct}_${member}"

  1505.     test_code cc "$headers" "const void *p = &(($struct *)0)->$member" "$@" &&

  1506.         enable_sanitized "${struct}_${member}"

  1507. }

  1508. 

  1509. check_builtin(){

  1510.     log check_builtin "$@"

  1511.     name=$1

  1512.     headers=$2

  1513.     builtin=$3

  1514.     shift 3

  1515.     disable "$name"

  1516.     test_code ld "$headers" "$builtin" "cc" "$@" && enable "$name"

  1517. }

  1518. 

  1519. check_compile_assert(){

  1520.     log check_compile_assert "$@"

  1521.     name=$1

  1522.     headers=$2

  1523.     condition=$3

  1524.     shift 3

  1525.     disable "$name"

  1526.     test_code cc "$headers" "char c[2 * !!($condition) - 1]" "$@" && enable "$name"

  1527. }

  1528. 

  1529. check_cc(){

  1530.     log check_cc "$@"

  1531.     name=$1

  1532.     shift

  1533.     disable "$name"

  1534.     test_code cc "$@" && enable "$name"

  1535. }

  1536. 

  1537. require(){

  1538.     log require "$@"

  1539.     name_version="$1"

  1540.     name="${1%% *}"

  1541.     shift

  1542.     check_lib $name "$@" || die "ERROR: $name_version not found"

  1543. }

  1544. 

  1545. require_cc(){

  1546.     log require_cc "$@"

  1547.     name="$1"

  1548.     check_cc "$@" || die "ERROR: $name failed"

  1549. }

  1550. 

  1551. require_cpp(){

  1552.     name="$1"

  1553.     headers="$2"

  1554.     classes="$3"

  1555.     shift 3

  1556.     check_lib_cpp "$headers" "$classes" "$@" || die "ERROR: $name not found"

  1557. }

  1558. 

  1559. require_headers(){

  1560.     log require_headers "$@"

  1561.     headers="$1"

  1562.     check_headers "$@" || die "ERROR: $headers not found"

  1563. }

  1564. 

  1565. require_cpp_condition(){

  1566.     log require_cpp_condition "$@"

  1567.     condition="$3"

  1568.     check_cpp_condition "$@" || die "ERROR: $condition not satisfied"

  1569. }

  1570. 

  1571. require_pkg_config(){

  1572.     log require_pkg_config "$@"

  1573.     pkg_version="$2"

  1574.     check_pkg_config "$@" || die "ERROR: $pkg_version not found using pkg-config$pkg_config_fail_message"

  1575. }

  1576. 

  1577. test_host_cc(){

  1578.     log test_host_cc "$@"

  1579.     cat > $TMPC

  1580.     log_file $TMPC

  1581.     test_cmd $host_cc $host_cflags "$@" $HOSTCC_C $(hostcc_o $TMPO) $TMPC

  1582. }

  1583. 

  1584. test_host_cpp(){

  1585.     log test_host_cpp "$@"

  1586.     cat > $TMPC

  1587.     log_file $TMPC

  1588.     test_cmd $host_cc $host_cppflags $host_cflags "$@" $(hostcc_e $TMPO) $TMPC

  1589. }

  1590. 

  1591. check_host_cppflags(){

  1592.     log check_host_cppflags "$@"

  1593.     test_host_cpp "$@" <<EOF && append host_cppflags "$@"

  1594. #include <stdlib.h>

  1595. EOF

  1596. }

  1597. 

  1598. check_host_cflags(){

  1599.     log check_host_cflags "$@"

  1600.     set -- $($host_cflags_filter "$@")

  1601.     test_host_cc "$@" <<EOF && append host_cflags "$@"

  1602. int x;

  1603. EOF

  1604. }

  1605. 

  1606. test_host_cpp_condition(){

  1607.     log test_host_cpp_condition "$@"

  1608.     header=$1

  1609.     condition=$2

  1610.     shift 2

  1611.     test_host_cpp "$@" <<EOF

  1612. #include <$header>

  1613. #if !($condition)

  1614. #error "unsatisfied condition: $condition"

  1615. #endif

  1616. EOF

  1617. }

  1618. 

  1619. check_host_cpp_condition(){

  1620.     log check_host_cpp_condition "$@"

  1621.     name=$1

  1622.     shift 1

  1623.     disable $name

  1624.     test_host_cpp_condition "$@" && enable $name

  1625. }

  1626. 

  1627. cp_if_changed(){

  1628.     cmp -s "$1" "$2" && { test "$quiet" != "yes" && echo "$2 is unchanged"; } && return

  1629.     mkdir -p "$(dirname $2)"

  1630.     cp -f "$1" "$2"

  1631. }

  1632. 

  1633. # CONFIG_LIST contains configurable options, while HAVE_LIST is for

  1634. # system-dependent things.

  1635. 

  1636. AVCODEC_COMPONENTS="

  1637.     bsfs

  1638.     decoders

  1639.     encoders

  1640.     hwaccels

  1641.     parsers

  1642. "

  1643. 

  1644. AVDEVICE_COMPONENTS="

  1645.     indevs

  1646.     outdevs

  1647. "

  1648. 

  1649. AVFILTER_COMPONENTS="

  1650.     filters

  1651. "

  1652. 

  1653. AVFORMAT_COMPONENTS="

  1654.     demuxers

  1655.     muxers

  1656.     protocols

  1657. "

  1658. 

  1659. COMPONENT_LIST="

  1660.     $AVCODEC_COMPONENTS

  1661.     $AVDEVICE_COMPONENTS

  1662.     $AVFILTER_COMPONENTS

  1663.     $AVFORMAT_COMPONENTS

  1664. "

  1665. 

  1666. EXAMPLE_LIST="

  1667.     avio_dir_cmd_example

  1668.     avio_reading_example

  1669.     decode_audio_example

  1670.     decode_video_example

  1671.     demuxing_decoding_example

  1672.     encode_audio_example

  1673.     encode_video_example

  1674.     extract_mvs_example

  1675.     filter_audio_example

  1676.     filtering_audio_example

  1677.     filtering_video_example

  1678.     http_multiclient_example

  1679.     hw_decode_example

  1680.     metadata_example

  1681.     muxing_example

  1682.     qsvdec_example

  1683.     remuxing_example

  1684.     resampling_audio_example

  1685.     scaling_video_example

  1686.     transcode_aac_example

  1687.     transcoding_example

  1688.     vaapi_encode_example

  1689.     vaapi_transcode_example

  1690. "

  1691. 

  1692. EXTERNAL_AUTODETECT_LIBRARY_LIST="

  1693.     alsa

  1694.     appkit

  1695.     avfoundation

  1696.     bzlib

  1697.     coreimage

  1698.     iconv

  1699.     libxcb

  1700.     libxcb_shm

  1701.     libxcb_shape

  1702.     libxcb_xfixes

  1703.     lzma

  1704.     schannel

  1705.     sdl2

  1706.     securetransport

  1707.     sndio

  1708.     xlib

  1709.     zlib

  1710. "

  1711. 

  1712. EXTERNAL_LIBRARY_GPL_LIST="

  1713.     avisynth

  1714.     frei0r

  1715.     libcdio

  1716.     libdavs2

  1717.     librubberband

  1718.     libvidstab

  1719.     libx264

  1720.     libx265

  1721.     libxavs

  1722.     libxavs2

  1723.     libxvid

  1724. "

  1725. 

  1726. EXTERNAL_LIBRARY_NONFREE_LIST="

  1727.     decklink

  1728.     libfdk_aac

  1729.     openssl

  1730.     libtls

  1731. "

  1732. 

  1733. EXTERNAL_LIBRARY_VERSION3_LIST="

  1734.     gmp

  1735.     libaribb24

  1736.     liblensfun

  1737.     libopencore_amrnb

  1738.     libopencore_amrwb

  1739.     libvmaf

  1740.     libvo_amrwbenc

  1741.     mbedtls

  1742.     rkmpp

  1743. "

  1744. 

  1745. EXTERNAL_LIBRARY_GPLV3_LIST="

  1746.     libsmbclient

  1747. "

  1748. 

  1749. EXTERNAL_LIBRARY_LIST="

  1750.     $EXTERNAL_LIBRARY_GPL_LIST

  1751.     $EXTERNAL_LIBRARY_NONFREE_LIST

  1752.     $EXTERNAL_LIBRARY_VERSION3_LIST

  1753.     $EXTERNAL_LIBRARY_GPLV3_LIST

  1754.     chromaprint

  1755.     gcrypt

  1756.     gnutls

  1757.     jni

  1758.     ladspa

  1759.     libaom

  1760.     libass

  1761.     libbluray

  1762.     libbs2b

  1763.     libcaca

  1764.     libcelt

  1765.     libcodec2

  1766.     libdav1d

  1767.     libdc1394

  1768.     libdrm

  1769.     libflite

  1770.     libfontconfig

  1771.     libfreetype

  1772.     libfribidi

  1773.     libgme

  1774.     libgsm

  1775.     libiec61883

  1776.     libilbc

  1777.     libjack

  1778.     libklvanc

  1779.     libkvazaar

  1780.     libmodplug

  1781.     libmp3lame

  1782.     libmysofa

  1783.     libopencv

  1784.     libopenh264

  1785.     libopenjpeg

  1786.     libopenmpt

  1787.     libopus

  1788.     libpulse

  1789.     librav1e

  1790.     librsvg

  1791.     librtmp

  1792.     libshine

  1793.     libsmbclient

  1794.     libsnappy

  1795.     libsoxr

  1796.     libspeex

  1797.     libsrt

  1798.     libssh

  1799.     libtensorflow

  1800.     libtesseract

  1801.     libtheora

  1802.     libtwolame

  1803.     libv4l2

  1804.     libvorbis

  1805.     libvpx

  1806.     libwavpack

  1807.     libwebp

  1808.     libxml2

  1809.     libzimg

  1810.     libzmq

  1811.     libzvbi

  1812.     lv2

  1813.     mediacodec

  1814.     openal

  1815.     opengl

  1816.     pocketsphinx

  1817.     vapoursynth

  1818. "

  1819. 

  1820. HWACCEL_AUTODETECT_LIBRARY_LIST="

  1821.     amf

  1822.     audiotoolbox

  1823.     crystalhd

  1824.     cuda

  1825.     cuda_llvm

  1826.     cuvid

  1827.     d3d11va

  1828.     dxva2

  1829.     ffnvcodec

  1830.     nvdec

  1831.     nvenc

  1832.     vaapi

  1833.     vdpau

  1834.     videotoolbox

  1835.     v4l2_m2m

  1836.     xvmc

  1837. "

  1838. 

  1839. # catchall list of things that require external libs to link

  1840. EXTRALIBS_LIST="

  1841.     cpu_init

  1842.     cws2fws

  1843. "

  1844. 

  1845. HWACCEL_LIBRARY_NONFREE_LIST="

  1846.     cuda_nvcc

  1847.     cuda_sdk

  1848.     libnpp

  1849. "

  1850. 

  1851. HWACCEL_LIBRARY_LIST="

  1852.     $HWACCEL_LIBRARY_NONFREE_LIST

  1853.     libmfx

  1854.     mmal

  1855.     omx

  1856.     opencl

  1857. "

  1858. 

  1859. DOCUMENT_LIST="

  1860.     doc

  1861.     htmlpages

  1862.     manpages

  1863.     podpages

  1864.     txtpages

  1865. "

  1866. 

  1867. FEATURE_LIST="

  1868.     ftrapv

  1869.     gray

  1870.     hardcoded_tables

  1871.     omx_rpi

  1872.     runtime_cpudetect

  1873.     safe_bitstream_reader

  1874.     shared

  1875.     small

  1876.     static

  1877.     swscale_alpha

  1878. "

  1879. 

  1880. # this list should be kept in linking order

  1881. LIBRARY_LIST="

  1882.     avdevice

  1883.     avfilter

  1884.     swscale

  1885.     postproc

  1886.     avformat

  1887.     avcodec

  1888.     swresample

  1889.     avresample

  1890.     avutil

  1891. "

  1892. 

  1893. LICENSE_LIST="

  1894.     gpl

  1895.     nonfree

  1896.     version3

  1897. "

  1898. 

  1899. PROGRAM_LIST="

  1900.     ffplay

  1901.     ffprobe

  1902.     ffmpeg

  1903. "

  1904. 

  1905. SUBSYSTEM_LIST="

  1906.     dct

  1907.     dwt

  1908.     error_resilience

  1909.     faan

  1910.     fast_unaligned

  1911.     fft

  1912.     lsp

  1913.     lzo

  1914.     mdct

  1915.     pixelutils

  1916.     network

  1917.     rdft

  1918. "

  1919. 

  1920. # COMPONENT_LIST needs to come last to ensure correct dependency checking

  1921. CONFIG_LIST="

  1922.     $DOCUMENT_LIST

  1923.     $EXAMPLE_LIST

  1924.     $EXTERNAL_LIBRARY_LIST

  1925.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1926.     $HWACCEL_LIBRARY_LIST

  1927.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1928.     $FEATURE_LIST

  1929.     $LICENSE_LIST

  1930.     $LIBRARY_LIST

  1931.     $PROGRAM_LIST

  1932.     $SUBSYSTEM_LIST

  1933.     autodetect

  1934.     fontconfig

  1935.     large_tests

  1936.     linux_perf

  1937.     memory_poisoning

  1938.     neon_clobber_test

  1939.     ossfuzz

  1940.     pic

  1941.     thumb

  1942.     valgrind_backtrace

  1943.     xmm_clobber_test

  1944.     $COMPONENT_LIST

  1945. "

  1946. 

  1947. THREADS_LIST="

  1948.     pthreads

  1949.     os2threads

  1950.     w32threads

  1951. "

  1952. 

  1953. ATOMICS_LIST="

  1954.     atomics_gcc

  1955.     atomics_suncc

  1956.     atomics_win32

  1957. "

  1958. 

  1959. AUTODETECT_LIBS="

  1960.     $EXTERNAL_AUTODETECT_LIBRARY_LIST

  1961.     $HWACCEL_AUTODETECT_LIBRARY_LIST

  1962.     $THREADS_LIST

  1963. "

  1964. 

  1965. ARCH_LIST="

  1966.     aarch64

  1967.     alpha

  1968.     arm

  1969.     avr32

  1970.     avr32_ap

  1971.     avr32_uc

  1972.     bfin

  1973.     ia64

  1974.     m68k

  1975.     mips

  1976.     mips64

  1977.     parisc

  1978.     ppc

  1979.     ppc64

  1980.     s390

  1981.     sh4

  1982.     sparc

  1983.     sparc64

  1984.     tilegx

  1985.     tilepro

  1986.     tomi

  1987.     x86

  1988.     x86_32

  1989.     x86_64

  1990. "

  1991. 

  1992. ARCH_EXT_LIST_ARM="

  1993.     armv5te

  1994.     armv6

  1995.     armv6t2

  1996.     armv8

  1997.     neon

  1998.     vfp

  1999.     vfpv3

  2000.     setend

  2001. "

  2002. 

  2003. ARCH_EXT_LIST_MIPS="

  2004.     mipsfpu

  2005.     mips32r2

  2006.     mips32r5

  2007.     mips64r2

  2008.     mips32r6

  2009.     mips64r6

  2010.     mipsdsp

  2011.     mipsdspr2

  2012.     msa

  2013.     msa2

  2014. "

  2015. 

  2016. ARCH_EXT_LIST_LOONGSON="

  2017.     loongson2

  2018.     loongson3

  2019.     mmi

  2020. "

  2021. 

  2022. ARCH_EXT_LIST_X86_SIMD="

  2023.     aesni

  2024.     amd3dnow

  2025.     amd3dnowext

  2026.     avx

  2027.     avx2

  2028.     avx512

  2029.     fma3

  2030.     fma4

  2031.     mmx

  2032.     mmxext

  2033.     sse

  2034.     sse2

  2035.     sse3

  2036.     sse4

  2037.     sse42

  2038.     ssse3

  2039.     xop

  2040. "

  2041. 

  2042. ARCH_EXT_LIST_PPC="

  2043.     altivec

  2044.     dcbzl

  2045.     ldbrx

  2046.     power8

  2047.     ppc4xx

  2048.     vsx

  2049. "

  2050. 

  2051. ARCH_EXT_LIST_X86="

  2052.     $ARCH_EXT_LIST_X86_SIMD

  2053.     cpunop

  2054.     i686

  2055. "

  2056. 

  2057. ARCH_EXT_LIST="

  2058.     $ARCH_EXT_LIST_ARM

  2059.     $ARCH_EXT_LIST_PPC

  2060.     $ARCH_EXT_LIST_X86

  2061.     $ARCH_EXT_LIST_MIPS

  2062.     $ARCH_EXT_LIST_LOONGSON

  2063. "

  2064. 

  2065. ARCH_FEATURES="

  2066.     aligned_stack

  2067.     fast_64bit

  2068.     fast_clz

  2069.     fast_cmov

  2070.     local_aligned

  2071.     simd_align_16

  2072.     simd_align_32

  2073.     simd_align_64

  2074. "

  2075. 

  2076. BUILTIN_LIST="

  2077.     atomic_cas_ptr

  2078.     machine_rw_barrier

  2079.     MemoryBarrier

  2080.     mm_empty

  2081.     rdtsc

  2082.     sem_timedwait

  2083.     sync_val_compare_and_swap

  2084. "

  2085. HAVE_LIST_CMDLINE="

  2086.     inline_asm

  2087.     symver

  2088.     x86asm

  2089. "

  2090. 

  2091. HAVE_LIST_PUB="

  2092.     bigendian

  2093.     fast_unaligned

  2094. "

  2095. 

  2096. HEADERS_LIST="

  2097.     arpa_inet_h

  2098.     asm_types_h

  2099.     cdio_paranoia_h

  2100.     cdio_paranoia_paranoia_h

  2101.     cuda_h

  2102.     dispatch_dispatch_h

  2103.     dev_bktr_ioctl_bt848_h

  2104.     dev_bktr_ioctl_meteor_h

  2105.     dev_ic_bt8xx_h

  2106.     dev_video_bktr_ioctl_bt848_h

  2107.     dev_video_meteor_ioctl_meteor_h

  2108.     direct_h

  2109.     dirent_h

  2110.     dxgidebug_h

  2111.     dxva_h

  2112.     ES2_gl_h

  2113.     gsm_h

  2114.     io_h

  2115.     linux_perf_event_h

  2116.     machine_ioctl_bt848_h

  2117.     machine_ioctl_meteor_h

  2118.     malloc_h

  2119.     opencv2_core_core_c_h

  2120.     OpenGL_gl3_h

  2121.     poll_h

  2122.     sys_param_h

  2123.     sys_resource_h

  2124.     sys_select_h

  2125.     sys_soundcard_h

  2126.     sys_time_h

  2127.     sys_un_h

  2128.     sys_videoio_h

  2129.     termios_h

  2130.     udplite_h

  2131.     unistd_h

  2132.     valgrind_valgrind_h

  2133.     windows_h

  2134.     winsock2_h

  2135. "

  2136. 

  2137. INTRINSICS_LIST="

  2138.     intrinsics_neon

  2139. "

  2140. 

  2141. COMPLEX_FUNCS="

  2142.     cabs

  2143.     cexp

  2144. "

  2145. 

  2146. MATH_FUNCS="

  2147.     atanf

  2148.     atan2f

  2149.     cbrt

  2150.     cbrtf

  2151.     copysign

  2152.     cosf

  2153.     erf

  2154.     exp2

  2155.     exp2f

  2156.     expf

  2157.     hypot

  2158.     isfinite

  2159.     isinf

  2160.     isnan

  2161.     ldexpf

  2162.     llrint

  2163.     llrintf

  2164.     log2

  2165.     log2f

  2166.     log10f

  2167.     lrint

  2168.     lrintf

  2169.     powf

  2170.     rint

  2171.     round

  2172.     roundf

  2173.     sinf

  2174.     trunc

  2175.     truncf

  2176. "

  2177. 

  2178. SYSTEM_FEATURES="

  2179.     dos_paths

  2180.     libc_msvcrt

  2181.     MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS

  2182.     section_data_rel_ro

  2183.     threads

  2184.     uwp

  2185.     winrt

  2186. "

  2187. 

  2188. SYSTEM_FUNCS="

  2189.     access

  2190.     aligned_malloc

  2191.     arc4random

  2192.     clock_gettime

  2193.     closesocket

  2194.     CommandLineToArgvW

  2195.     fcntl

  2196.     getaddrinfo

  2197.     gethrtime

  2198.     getopt

  2199.     GetModuleHandle

  2200.     GetProcessAffinityMask

  2201.     GetProcessMemoryInfo

  2202.     GetProcessTimes

  2203.     getrusage

  2204.     GetSystemTimeAsFileTime

  2205.     gettimeofday

  2206.     glob

  2207.     glXGetProcAddress

  2208.     gmtime_r

  2209.     inet_aton

  2210.     isatty

  2211.     kbhit

  2212.     localtime_r

  2213.     lstat

  2214.     lzo1x_999_compress

  2215.     mach_absolute_time

  2216.     MapViewOfFile

  2217.     memalign

  2218.     mkstemp

  2219.     mmap

  2220.     mprotect

  2221.     nanosleep

  2222.     PeekNamedPipe

  2223.     posix_memalign

  2224.     pthread_cancel

  2225.     sched_getaffinity

  2226.     SecItemImport

  2227.     SetConsoleTextAttribute

  2228.     SetConsoleCtrlHandler

  2229.     SetDllDirectory

  2230.     setmode

  2231.     setrlimit

  2232.     Sleep

  2233.     strerror_r

  2234.     sysconf

  2235.     sysctl

  2236.     usleep

  2237.     UTGetOSTypeFromString

  2238.     VirtualAlloc

  2239.     wglGetProcAddress

  2240. "

  2241. 

  2242. SYSTEM_LIBRARIES="

  2243.     bcrypt

  2244.     vaapi_drm

  2245.     vaapi_x11

  2246.     vdpau_x11

  2247. "

  2248. 

  2249. TOOLCHAIN_FEATURES="

  2250.     as_arch_directive

  2251.     as_dn_directive

  2252.     as_fpu_directive

  2253.     as_func

  2254.     as_object_arch

  2255.     asm_mod_q

  2256.     blocks_extension

  2257.     ebp_available

  2258.     ebx_available

  2259.     gnu_as

  2260.     gnu_windres

  2261.     ibm_asm

  2262.     inline_asm_direct_symbol_refs

  2263.     inline_asm_labels

  2264.     inline_asm_nonlocal_labels

  2265.     pragma_deprecated

  2266.     rsync_contimeout

  2267.     symver_asm_label

  2268.     symver_gnu_asm

  2269.     vfp_args

  2270.     xform_asm

  2271.     xmm_clobbers

  2272. "

  2273. 

  2274. TYPES_LIST="

  2275.     kCMVideoCodecType_HEVC

  2276.     kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange

  2277.     kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ

  2278.     kCVImageBufferTransferFunction_ITU_R_2100_HLG

  2279.     kCVImageBufferTransferFunction_Linear

  2280.     socklen_t

  2281.     struct_addrinfo

  2282.     struct_group_source_req

  2283.     struct_ip_mreq_source

  2284.     struct_ipv6_mreq

  2285.     struct_msghdr_msg_flags

  2286.     struct_pollfd

  2287.     struct_rusage_ru_maxrss

  2288.     struct_sctp_event_subscribe

  2289.     struct_sockaddr_in6

  2290.     struct_sockaddr_sa_len

  2291.     struct_sockaddr_storage

  2292.     struct_stat_st_mtim_tv_nsec

  2293.     struct_v4l2_frmivalenum_discrete

  2294. "

  2295. 

  2296. HAVE_LIST="

  2297.     $ARCH_EXT_LIST

  2298.     $(add_suffix _external $ARCH_EXT_LIST)

  2299.     $(add_suffix _inline   $ARCH_EXT_LIST)

  2300.     $ARCH_FEATURES

  2301.     $BUILTIN_LIST

  2302.     $COMPLEX_FUNCS

  2303.     $HAVE_LIST_CMDLINE

  2304.     $HAVE_LIST_PUB

  2305.     $HEADERS_LIST

  2306.     $INTRINSICS_LIST

  2307.     $MATH_FUNCS

  2308.     $SYSTEM_FEATURES

  2309.     $SYSTEM_FUNCS

  2310.     $SYSTEM_LIBRARIES

  2311.     $THREADS_LIST

  2312.     $TOOLCHAIN_FEATURES

  2313.     $TYPES_LIST

  2314.     makeinfo

  2315.     makeinfo_html

  2316.     opencl_d3d11

  2317.     opencl_drm_arm

  2318.     opencl_drm_beignet

  2319.     opencl_dxva2

  2320.     opencl_vaapi_beignet

  2321.     opencl_vaapi_intel_media

  2322.     perl

  2323.     pod2man

  2324.     texi2html

  2325. "

  2326. 

  2327. # options emitted with CONFIG_ prefix but not available on the command line

  2328. CONFIG_EXTRA="

  2329.     aandcttables

  2330.     ac3dsp

  2331.     adts_header

  2332.     audio_frame_queue

  2333.     audiodsp

  2334.     blockdsp

  2335.     bswapdsp

  2336.     cabac

  2337.     cbs

  2338.     cbs_av1

  2339.     cbs_h264

  2340.     cbs_h265

  2341.     cbs_jpeg

  2342.     cbs_mpeg2

  2343.     cbs_vp9

  2344.     dirac_parse

  2345.     dnn

  2346.     dvprofile

  2347.     exif

  2348.     faandct

  2349.     faanidct

  2350.     fdctdsp

  2351.     flacdsp

  2352.     fmtconvert

  2353.     frame_thread_encoder

  2354.     g722dsp

  2355.     golomb

  2356.     gplv3

  2357.     h263dsp

  2358.     h264chroma

  2359.     h264dsp

  2360.     h264parse

  2361.     h264pred

  2362.     h264qpel

  2363.     hevcparse

  2364.     hpeldsp

  2365.     huffman

  2366.     huffyuvdsp

  2367.     huffyuvencdsp

  2368.     idctdsp

  2369.     iirfilter

  2370.     mdct15

  2371.     intrax8

  2372.     iso_media

  2373.     ividsp

  2374.     jpegtables

  2375.     lgplv3

  2376.     libx262

  2377.     llauddsp

  2378.     llviddsp

  2379.     llvidencdsp

  2380.     lpc

  2381.     lzf

  2382.     me_cmp

  2383.     mpeg_er

  2384.     mpegaudio

  2385.     mpegaudiodsp

  2386.     mpegaudioheader

  2387.     mpegvideo

  2388.     mpegvideoenc

  2389.     mss34dsp

  2390.     pixblockdsp

  2391.     qpeldsp

  2392.     qsv

  2393.     qsvdec

  2394.     qsvenc

  2395.     qsvvpp

  2396.     rangecoder

  2397.     riffdec

  2398.     riffenc

  2399.     rtpdec

  2400.     rtpenc_chain

  2401.     rv34dsp

  2402.     scene_sad

  2403.     sinewin

  2404.     snappy

  2405.     srtp

  2406.     startcode

  2407.     texturedsp

  2408.     texturedspenc

  2409.     tpeldsp

  2410.     vaapi_1

  2411.     vaapi_encode

  2412.     vc1dsp

  2413.     videodsp

  2414.     vp3dsp

  2415.     vp56dsp

  2416.     vp8dsp

  2417.     wma_freqs

  2418.     wmv2dsp

  2419. "

  2420. 

  2421. CMDLINE_SELECT="

  2422.     $ARCH_EXT_LIST

  2423.     $CONFIG_LIST

  2424.     $HAVE_LIST_CMDLINE

  2425.     $THREADS_LIST

  2426.     asm

  2427.     cross_compile

  2428.     debug

  2429.     extra_warnings

  2430.     logging

  2431.     lto

  2432.     optimizations

  2433.     rpath

  2434.     stripping

  2435. "

  2436. 

  2437. PATHS_LIST="

  2438.     bindir

  2439.     datadir

  2440.     docdir

  2441.     incdir

  2442.     libdir

  2443.     mandir

  2444.     pkgconfigdir

  2445.     prefix

  2446.     shlibdir

  2447.     install_name_dir

  2448. "

  2449. 

  2450. CMDLINE_SET="

  2451.     $PATHS_LIST

  2452.     ar

  2453.     arch

  2454.     as

  2455.     assert_level

  2456.     build_suffix

  2457.     cc

  2458.     objcc

  2459.     cpu

  2460.     cross_prefix

  2461.     custom_allocator

  2462.     cxx

  2463.     dep_cc

  2464.     doxygen

  2465.     env

  2466.     extra_version

  2467.     gas

  2468.     host_cc

  2469.     host_cflags

  2470.     host_extralibs

  2471.     host_ld

  2472.     host_ldflags

  2473.     host_os

  2474.     ignore_tests

  2475.     install

  2476.     ld

  2477.     ln_s

  2478.     logfile

  2479.     malloc_prefix

  2480.     nm

  2481.     optflags

  2482.     nvcc

  2483.     nvccflags

  2484.     pkg_config

  2485.     pkg_config_flags

  2486.     progs_suffix

  2487.     random_seed

  2488.     ranlib

  2489.     samples

  2490.     strip

  2491.     sws_max_filter_size

  2492.     sysinclude

  2493.     sysroot

  2494.     target_exec

  2495.     target_os

  2496.     target_path

  2497.     target_samples

  2498.     tempprefix

  2499.     toolchain

  2500.     valgrind

  2501.     windres

  2502.     x86asmexe

  2503. "

  2504. 

  2505. CMDLINE_APPEND="

  2506.     extra_cflags

  2507.     extra_cxxflags

  2508.     extra_objcflags

  2509.     host_cppflags

  2510. "

  2511. 

  2512. # code dependency declarations

  2513. 

  2514. # architecture extensions

  2515. 

  2516. armv5te_deps="arm"

  2517. armv6_deps="arm"

  2518. armv6t2_deps="arm"

  2519. armv8_deps="aarch64"

  2520. neon_deps_any="aarch64 arm"

  2521. intrinsics_neon_deps="neon"

  2522. vfp_deps_any="aarch64 arm"

  2523. vfpv3_deps="vfp"

  2524. setend_deps="arm"

  2525. 

  2526. map 'eval ${v}_inline_deps=inline_asm' $ARCH_EXT_LIST_ARM

  2527. 

  2528. altivec_deps="ppc"

  2529. dcbzl_deps="ppc"

  2530. ldbrx_deps="ppc"

  2531. ppc4xx_deps="ppc"

  2532. vsx_deps="altivec"

  2533. power8_deps="vsx"

  2534. 

  2535. loongson2_deps="mips"

  2536. loongson3_deps="mips"

  2537. mips32r2_deps="mips"

  2538. mips32r5_deps="mips"

  2539. mips32r6_deps="mips"

  2540. mips64r2_deps="mips"

  2541. mips64r6_deps="mips"

  2542. mipsfpu_deps="mips"

  2543. mipsdsp_deps="mips"

  2544. mipsdspr2_deps="mips"

  2545. mmi_deps="mips"

  2546. msa_deps="mipsfpu"

  2547. msa2_deps="msa"

  2548. 

  2549. cpunop_deps="i686"

  2550. x86_64_select="i686"

  2551. x86_64_suggest="fast_cmov"

  2552. 

  2553. amd3dnow_deps="mmx"

  2554. amd3dnowext_deps="amd3dnow"

  2555. i686_deps="x86"

  2556. mmx_deps="x86"

  2557. mmxext_deps="mmx"

  2558. sse_deps="mmxext"

  2559. sse2_deps="sse"

  2560. sse3_deps="sse2"

  2561. ssse3_deps="sse3"

  2562. sse4_deps="ssse3"

  2563. sse42_deps="sse4"

  2564. aesni_deps="sse42"

  2565. avx_deps="sse42"

  2566. xop_deps="avx"

  2567. fma3_deps="avx"

  2568. fma4_deps="avx"

  2569. avx2_deps="avx"

  2570. avx512_deps="avx2"

  2571. 

  2572. mmx_external_deps="x86asm"

  2573. mmx_inline_deps="inline_asm x86"

  2574. mmx_suggest="mmx_external mmx_inline"

  2575. 

  2576. for ext in $(filter_out mmx $ARCH_EXT_LIST_X86_SIMD); do

  2577.     eval dep=\$${ext}_deps

  2578.     eval ${ext}_external_deps='"${dep}_external"'

  2579.     eval ${ext}_inline_deps='"${dep}_inline"'

  2580.     eval ${ext}_suggest='"${ext}_external ${ext}_inline"'

  2581. done

  2582. 

  2583. aligned_stack_if_any="aarch64 ppc x86"

  2584. fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"

  2585. fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"

  2586. fast_unaligned_if_any="aarch64 ppc x86"

  2587. simd_align_16_if_any="altivec neon sse"

  2588. simd_align_32_if_any="avx"

  2589. simd_align_64_if_any="avx512"

  2590. 

  2591. # system capabilities

  2592. linux_perf_deps="linux_perf_event_h"

  2593. symver_if_any="symver_asm_label symver_gnu_asm"

  2594. valgrind_backtrace_conflict="optimizations"

  2595. valgrind_backtrace_deps="valgrind_valgrind_h"

  2596. 

  2597. # threading support

  2598. atomics_gcc_if="sync_val_compare_and_swap"

  2599. atomics_suncc_if="atomic_cas_ptr machine_rw_barrier"

  2600. atomics_win32_if="MemoryBarrier"

  2601. atomics_native_if_any="$ATOMICS_LIST"

  2602. w32threads_deps="atomics_native"

  2603. threads_if_any="$THREADS_LIST"

  2604. 

  2605. # subsystems

  2606. cbs_av1_select="cbs"

  2607. cbs_h264_select="cbs"

  2608. cbs_h265_select="cbs"

  2609. cbs_jpeg_select="cbs"

  2610. cbs_mpeg2_select="cbs"

  2611. cbs_vp9_select="cbs"

  2612. dct_select="rdft"

  2613. dirac_parse_select="golomb"

  2614. dnn_suggest="libtensorflow"

  2615. error_resilience_select="me_cmp"

  2616. faandct_deps="faan"

  2617. faandct_select="fdctdsp"

  2618. faanidct_deps="faan"

  2619. faanidct_select="idctdsp"

  2620. h264dsp_select="startcode"

  2621. hevcparse_select="golomb"

  2622. frame_thread_encoder_deps="encoders threads"

  2623. intrax8_select="blockdsp idctdsp"

  2624. mdct_select="fft"

  2625. mdct15_select="fft"

  2626. me_cmp_select="fdctdsp idctdsp pixblockdsp"

  2627. mpeg_er_select="error_resilience"

  2628. mpegaudio_select="mpegaudiodsp mpegaudioheader"

  2629. mpegaudiodsp_select="dct"

  2630. mpegvideo_select="blockdsp h264chroma hpeldsp idctdsp me_cmp mpeg_er videodsp"

  2631. mpegvideoenc_select="aandcttables me_cmp mpegvideo pixblockdsp qpeldsp"

  2632. vc1dsp_select="h264chroma qpeldsp startcode"

  2633. rdft_select="fft"

  2634. 

  2635. # decoders / encoders

  2636. aac_decoder_select="adts_header mdct15 mdct sinewin"

  2637. aac_fixed_decoder_select="adts_header mdct sinewin"

  2638. aac_encoder_select="audio_frame_queue iirfilter lpc mdct sinewin"

  2639. aac_latm_decoder_select="aac_decoder aac_latm_parser"

  2640. ac3_decoder_select="ac3_parser ac3dsp bswapdsp fmtconvert mdct"

  2641. ac3_fixed_decoder_select="ac3_parser ac3dsp bswapdsp mdct"

  2642. ac3_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2643. ac3_fixed_encoder_select="ac3dsp audiodsp mdct me_cmp"

  2644. acelp_kelvin_decoder_select="audiodsp"

  2645. adpcm_g722_decoder_select="g722dsp"

  2646. adpcm_g722_encoder_select="g722dsp"

  2647. aic_decoder_select="golomb idctdsp"

  2648. alac_encoder_select="lpc"

  2649. als_decoder_select="bswapdsp"

  2650. amrnb_decoder_select="lsp"

  2651. amrwb_decoder_select="lsp"

  2652. amv_decoder_select="sp5x_decoder exif"

  2653. amv_encoder_select="jpegtables mpegvideoenc"

  2654. ape_decoder_select="bswapdsp llauddsp"

  2655. apng_decoder_deps="zlib"

  2656. apng_encoder_deps="zlib"

  2657. apng_encoder_select="llvidencdsp"

  2658. aptx_decoder_select="audio_frame_queue"

  2659. aptx_encoder_select="audio_frame_queue"

  2660. aptx_hd_decoder_select="audio_frame_queue"

  2661. aptx_hd_encoder_select="audio_frame_queue"

  2662. asv1_decoder_select="blockdsp bswapdsp idctdsp"

  2663. asv1_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"

  2664. asv2_decoder_select="blockdsp bswapdsp idctdsp"

  2665. asv2_encoder_select="aandcttables bswapdsp fdctdsp pixblockdsp"

  2666. atrac1_decoder_select="mdct sinewin"

  2667. atrac3_decoder_select="mdct"

  2668. atrac3al_decoder_select="mdct"

  2669. atrac3p_decoder_select="mdct sinewin"

  2670. atrac3pal_decoder_select="mdct sinewin"

  2671. atrac9_decoder_select="mdct"

  2672. avrn_decoder_select="exif jpegtables"

  2673. bink_decoder_select="blockdsp hpeldsp"

  2674. binkaudio_dct_decoder_select="mdct rdft dct sinewin wma_freqs"

  2675. binkaudio_rdft_decoder_select="mdct rdft sinewin wma_freqs"

  2676. cavs_decoder_select="blockdsp golomb h264chroma idctdsp qpeldsp videodsp"

  2677. clearvideo_decoder_select="idctdsp"

  2678. cllc_decoder_select="bswapdsp"

  2679. comfortnoise_encoder_select="lpc"

  2680. cook_decoder_select="audiodsp mdct sinewin"

  2681. cscd_decoder_select="lzo"

  2682. cscd_decoder_suggest="zlib"

  2683. dca_decoder_select="mdct"

  2684. dca_encoder_select="mdct"

  2685. dds_decoder_select="texturedsp"

  2686. dirac_decoder_select="dirac_parse dwt golomb videodsp mpegvideoenc"

  2687. dnxhd_decoder_select="blockdsp idctdsp"

  2688. dnxhd_encoder_select="blockdsp fdctdsp idctdsp mpegvideoenc pixblockdsp"

  2689. dolby_e_decoder_select="mdct"

  2690. dvvideo_decoder_select="dvprofile idctdsp"

  2691. dvvideo_encoder_select="dvprofile fdctdsp me_cmp pixblockdsp"

  2692. dxa_decoder_deps="zlib"

  2693. dxv_decoder_select="lzf texturedsp"

  2694. eac3_decoder_select="ac3_decoder"

  2695. eac3_encoder_select="ac3_encoder"

  2696. eamad_decoder_select="aandcttables blockdsp bswapdsp idctdsp mpegvideo"

  2697. eatgq_decoder_select="aandcttables"

  2698. eatqi_decoder_select="aandcttables blockdsp bswapdsp idctdsp"

  2699. exr_decoder_deps="zlib"

  2700. ffv1_decoder_select="rangecoder"

  2701. ffv1_encoder_select="rangecoder"

  2702. ffvhuff_decoder_select="huffyuv_decoder"

  2703. ffvhuff_encoder_select="huffyuv_encoder"

  2704. fic_decoder_select="golomb"

  2705. flac_decoder_select="flacdsp"

  2706. flac_encoder_select="bswapdsp flacdsp lpc"

  2707. flashsv2_decoder_deps="zlib"

  2708. flashsv2_encoder_deps="zlib"

  2709. flashsv_decoder_deps="zlib"

  2710. flashsv_encoder_deps="zlib"

  2711. flv_decoder_select="h263_decoder"

  2712. flv_encoder_select="h263_encoder"

  2713. fourxm_decoder_select="blockdsp bswapdsp"

  2714. fraps_decoder_select="bswapdsp huffman"

  2715. g2m_decoder_deps="zlib"

  2716. g2m_decoder_select="blockdsp idctdsp jpegtables"

  2717. g729_decoder_select="audiodsp"

  2718. h261_decoder_select="mpegvideo"

  2719. h261_encoder_select="mpegvideoenc"

  2720. h263_decoder_select="h263_parser h263dsp mpegvideo qpeldsp"

  2721. h263_encoder_select="h263dsp mpegvideoenc"

  2722. h263i_decoder_select="h263_decoder"

  2723. h263p_decoder_select="h263_decoder"

  2724. h263p_encoder_select="h263_encoder"

  2725. h264_decoder_select="cabac golomb h264chroma h264dsp h264parse h264pred h264qpel videodsp"

  2726. h264_decoder_suggest="error_resilience"

  2727. hap_decoder_select="snappy texturedsp"

  2728. hap_encoder_deps="libsnappy"

  2729. hap_encoder_select="texturedspenc"

  2730. hevc_decoder_select="bswapdsp cabac golomb hevcparse videodsp"

  2731. huffyuv_decoder_select="bswapdsp huffyuvdsp llviddsp"

  2732. huffyuv_encoder_select="bswapdsp huffman huffyuvencdsp llvidencdsp"

  2733. hymt_decoder_select="huffyuv_decoder"

  2734. iac_decoder_select="imc_decoder"

  2735. imc_decoder_select="bswapdsp fft mdct sinewin"

  2736. imm4_decoder_select="bswapdsp"

  2737. imm5_decoder_select="h264_decoder hevc_decoder"

  2738. indeo3_decoder_select="hpeldsp"

  2739. indeo4_decoder_select="ividsp"

  2740. indeo5_decoder_select="ividsp"

  2741. interplay_video_decoder_select="hpeldsp"

  2742. jpegls_decoder_select="mjpeg_decoder"

  2743. jv_decoder_select="blockdsp"

  2744. lagarith_decoder_select="llviddsp"

  2745. ljpeg_encoder_select="idctdsp jpegtables mpegvideoenc"

  2746. lscr_decoder_deps="zlib"

  2747. magicyuv_decoder_select="llviddsp"

  2748. magicyuv_encoder_select="llvidencdsp"

  2749. mdec_decoder_select="blockdsp bswapdsp idctdsp mpegvideo"

  2750. metasound_decoder_select="lsp mdct sinewin"

  2751. mimic_decoder_select="blockdsp bswapdsp hpeldsp idctdsp"

  2752. mjpeg_decoder_select="blockdsp hpeldsp exif idctdsp jpegtables"

  2753. mjpeg_encoder_select="jpegtables mpegvideoenc"

  2754. mjpegb_decoder_select="mjpeg_decoder"

  2755. mlp_decoder_select="mlp_parser"

  2756. mlp_encoder_select="lpc audio_frame_queue"

  2757. motionpixels_decoder_select="bswapdsp"

  2758. mp1_decoder_select="mpegaudio"

  2759. mp1float_decoder_select="mpegaudio"

  2760. mp2_decoder_select="mpegaudio"

  2761. mp2float_decoder_select="mpegaudio"

  2762. mp3_decoder_select="mpegaudio"

  2763. mp3adu_decoder_select="mpegaudio"

  2764. mp3adufloat_decoder_select="mpegaudio"

  2765. mp3float_decoder_select="mpegaudio"

  2766. mp3on4_decoder_select="mpegaudio"

  2767. mp3on4float_decoder_select="mpegaudio"

  2768. mpc7_decoder_select="bswapdsp mpegaudiodsp"

  2769. mpc8_decoder_select="mpegaudiodsp"

  2770. mpegvideo_decoder_select="mpegvideo"

  2771. mpeg1video_decoder_select="mpegvideo"

  2772. mpeg1video_encoder_select="mpegvideoenc h263dsp"

  2773. mpeg2video_decoder_select="mpegvideo"

  2774. mpeg2video_encoder_select="mpegvideoenc h263dsp"

  2775. mpeg4_decoder_select="h263_decoder mpeg4video_parser"

  2776. mpeg4_encoder_select="h263_encoder"

  2777. msa1_decoder_select="mss34dsp"

  2778. mscc_decoder_deps="zlib"

  2779. msmpeg4v1_decoder_select="h263_decoder"

  2780. msmpeg4v2_decoder_select="h263_decoder"

  2781. msmpeg4v2_encoder_select="h263_encoder"

  2782. msmpeg4v3_decoder_select="h263_decoder"

  2783. msmpeg4v3_encoder_select="h263_encoder"

  2784. mss2_decoder_select="mpegvideo qpeldsp vc1_decoder"

  2785. mts2_decoder_select="mss34dsp"

  2786. mvha_decoder_deps="zlib"

  2787. mwsc_decoder_deps="zlib"

  2788. mxpeg_decoder_select="mjpeg_decoder"

  2789. nellymoser_decoder_select="mdct sinewin"

  2790. nellymoser_encoder_select="audio_frame_queue mdct sinewin"

  2791. nuv_decoder_select="idctdsp lzo"

  2792. on2avc_decoder_select="mdct"

  2793. opus_decoder_deps="swresample"

  2794. opus_decoder_select="mdct15"

  2795. opus_encoder_select="audio_frame_queue mdct15"

  2796. png_decoder_deps="zlib"

  2797. png_encoder_deps="zlib"

  2798. png_encoder_select="llvidencdsp"

  2799. prores_decoder_select="blockdsp idctdsp"

  2800. prores_encoder_select="fdctdsp"

  2801. qcelp_decoder_select="lsp"

  2802. qdm2_decoder_select="mdct rdft mpegaudiodsp"

  2803. ra_144_decoder_select="audiodsp"

  2804. ra_144_encoder_select="audio_frame_queue lpc audiodsp"

  2805. ralf_decoder_select="golomb"

  2806. rasc_decoder_deps="zlib"

  2807. rawvideo_decoder_select="bswapdsp"

  2808. rscc_decoder_deps="zlib"

  2809. rtjpeg_decoder_select="me_cmp"

  2810. rv10_decoder_select="h263_decoder"

  2811. rv10_encoder_select="h263_encoder"

  2812. rv20_decoder_select="h263_decoder"

  2813. rv20_encoder_select="h263_encoder"

  2814. rv30_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2815. rv40_decoder_select="golomb h264pred h264qpel mpegvideo rv34dsp"

  2816. screenpresso_decoder_deps="zlib"

  2817. shorten_decoder_select="bswapdsp"

  2818. sipr_decoder_select="lsp"

  2819. snow_decoder_select="dwt h264qpel hpeldsp me_cmp rangecoder videodsp"

  2820. snow_encoder_select="dwt h264qpel hpeldsp me_cmp mpegvideoenc rangecoder"

  2821. sonic_decoder_select="golomb rangecoder"

  2822. sonic_encoder_select="golomb rangecoder"

  2823. sonic_ls_encoder_select="golomb rangecoder"

  2824. sp5x_decoder_select="mjpeg_decoder"

  2825. speedhq_decoder_select="mpegvideo"

  2826. srgc_decoder_deps="zlib"

  2827. svq1_decoder_select="hpeldsp"

  2828. svq1_encoder_select="hpeldsp me_cmp mpegvideoenc"

  2829. svq3_decoder_select="golomb h264dsp h264parse h264pred hpeldsp tpeldsp videodsp"

  2830. svq3_decoder_suggest="zlib"

  2831. tak_decoder_select="audiodsp"

  2832. tdsc_decoder_deps="zlib"

  2833. tdsc_decoder_select="mjpeg_decoder"

  2834. theora_decoder_select="vp3_decoder"

  2835. thp_decoder_select="mjpeg_decoder"

  2836. tiff_decoder_select="mjpeg_decoder"

  2837. tiff_decoder_suggest="zlib lzma"

  2838. tiff_encoder_suggest="zlib"

  2839. truehd_decoder_select="mlp_parser"

  2840. truehd_encoder_select="lpc audio_frame_queue"

  2841. truemotion2_decoder_select="bswapdsp"

  2842. truespeech_decoder_select="bswapdsp"

  2843. tscc_decoder_deps="zlib"

  2844. twinvq_decoder_select="mdct lsp sinewin"

  2845. txd_decoder_select="texturedsp"

  2846. utvideo_decoder_select="bswapdsp llviddsp"

  2847. utvideo_encoder_select="bswapdsp huffman llvidencdsp"

  2848. vble_decoder_select="llviddsp"

  2849. vc1_decoder_select="blockdsp h263_decoder h264qpel intrax8 mpegvideo vc1dsp"

  2850. vc1image_decoder_select="vc1_decoder"

  2851. vorbis_decoder_select="mdct"

  2852. vorbis_encoder_select="audio_frame_queue mdct"

  2853. vp3_decoder_select="hpeldsp vp3dsp videodsp"

  2854. vp4_decoder_select="vp3_decoder"

  2855. vp5_decoder_select="h264chroma hpeldsp videodsp vp3dsp vp56dsp"

  2856. vp6_decoder_select="h264chroma hpeldsp huffman videodsp vp3dsp vp56dsp"

  2857. vp6a_decoder_select="vp6_decoder"

  2858. vp6f_decoder_select="vp6_decoder"

  2859. vp7_decoder_select="h264pred videodsp vp8dsp"

  2860. vp8_decoder_select="h264pred videodsp vp8dsp"

  2861. vp9_decoder_select="videodsp vp9_parser vp9_superframe_split_bsf"

  2862. wcmv_decoder_deps="zlib"

  2863. webp_decoder_select="vp8_decoder exif"

  2864. wmalossless_decoder_select="llauddsp"

  2865. wmapro_decoder_select="mdct sinewin wma_freqs"

  2866. wmav1_decoder_select="mdct sinewin wma_freqs"

  2867. wmav1_encoder_select="mdct sinewin wma_freqs"

  2868. wmav2_decoder_select="mdct sinewin wma_freqs"

  2869. wmav2_encoder_select="mdct sinewin wma_freqs"

  2870. wmavoice_decoder_select="lsp rdft dct mdct sinewin"

  2871. wmv1_decoder_select="h263_decoder"

  2872. wmv1_encoder_select="h263_encoder"

  2873. wmv2_decoder_select="blockdsp error_resilience h263_decoder idctdsp intrax8 videodsp wmv2dsp"

  2874. wmv2_encoder_select="h263_encoder wmv2dsp"

  2875. wmv3_decoder_select="vc1_decoder"

  2876. wmv3image_decoder_select="wmv3_decoder"

  2877. xma1_decoder_select="wmapro_decoder"

  2878. xma2_decoder_select="wmapro_decoder"

  2879. ylc_decoder_select="bswapdsp"

  2880. zerocodec_decoder_deps="zlib"

  2881. zlib_decoder_deps="zlib"

  2882. zlib_encoder_deps="zlib"

  2883. zmbv_decoder_deps="zlib"

  2884. zmbv_encoder_deps="zlib"

  2885. 

  2886. # hardware accelerators

  2887. crystalhd_deps="libcrystalhd_libcrystalhd_if_h"

  2888. cuda_deps="ffnvcodec"

  2889. cuvid_deps="ffnvcodec"

  2890. d3d11va_deps="dxva_h ID3D11VideoDecoder ID3D11VideoContext"

  2891. dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode ole32 user32"

  2892. ffnvcodec_deps_any="libdl LoadLibrary"

  2893. nvdec_deps="ffnvcodec"

  2894. vaapi_x11_deps="xlib"

  2895. videotoolbox_hwaccel_deps="videotoolbox pthreads"

  2896. videotoolbox_hwaccel_extralibs="-framework QuartzCore"

  2897. xvmc_deps="X11_extensions_XvMClib_h"

  2898. 

  2899. h263_vaapi_hwaccel_deps="vaapi"

  2900. h263_vaapi_hwaccel_select="h263_decoder"

  2901. h263_videotoolbox_hwaccel_deps="videotoolbox"

  2902. h263_videotoolbox_hwaccel_select="h263_decoder"

  2903. h264_d3d11va_hwaccel_deps="d3d11va"

  2904. h264_d3d11va_hwaccel_select="h264_decoder"

  2905. h264_d3d11va2_hwaccel_deps="d3d11va"

  2906. h264_d3d11va2_hwaccel_select="h264_decoder"

  2907. h264_dxva2_hwaccel_deps="dxva2"

  2908. h264_dxva2_hwaccel_select="h264_decoder"

  2909. h264_nvdec_hwaccel_deps="nvdec"

  2910. h264_nvdec_hwaccel_select="h264_decoder"

  2911. h264_vaapi_hwaccel_deps="vaapi"

  2912. h264_vaapi_hwaccel_select="h264_decoder"

  2913. h264_vdpau_hwaccel_deps="vdpau"

  2914. h264_vdpau_hwaccel_select="h264_decoder"

  2915. h264_videotoolbox_hwaccel_deps="videotoolbox"

  2916. h264_videotoolbox_hwaccel_select="h264_decoder"

  2917. hevc_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2918. hevc_d3d11va_hwaccel_select="hevc_decoder"

  2919. hevc_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_HEVC"

  2920. hevc_d3d11va2_hwaccel_select="hevc_decoder"

  2921. hevc_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_HEVC"

  2922. hevc_dxva2_hwaccel_select="hevc_decoder"

  2923. hevc_nvdec_hwaccel_deps="nvdec"

  2924. hevc_nvdec_hwaccel_select="hevc_decoder"

  2925. hevc_vaapi_hwaccel_deps="vaapi VAPictureParameterBufferHEVC"

  2926. hevc_vaapi_hwaccel_select="hevc_decoder"

  2927. hevc_vdpau_hwaccel_deps="vdpau VdpPictureInfoHEVC"

  2928. hevc_vdpau_hwaccel_select="hevc_decoder"

  2929. hevc_videotoolbox_hwaccel_deps="videotoolbox"

  2930. hevc_videotoolbox_hwaccel_select="hevc_decoder"

  2931. mjpeg_nvdec_hwaccel_deps="nvdec"

  2932. mjpeg_nvdec_hwaccel_select="mjpeg_decoder"

  2933. mjpeg_vaapi_hwaccel_deps="vaapi"

  2934. mjpeg_vaapi_hwaccel_select="mjpeg_decoder"

  2935. mpeg_xvmc_hwaccel_deps="xvmc"

  2936. mpeg_xvmc_hwaccel_select="mpeg2video_decoder"

  2937. mpeg1_nvdec_hwaccel_deps="nvdec"

  2938. mpeg1_nvdec_hwaccel_select="mpeg1video_decoder"

  2939. mpeg1_vdpau_hwaccel_deps="vdpau"

  2940. mpeg1_vdpau_hwaccel_select="mpeg1video_decoder"

  2941. mpeg1_videotoolbox_hwaccel_deps="videotoolbox"

  2942. mpeg1_videotoolbox_hwaccel_select="mpeg1video_decoder"

  2943. mpeg1_xvmc_hwaccel_deps="xvmc"

  2944. mpeg1_xvmc_hwaccel_select="mpeg1video_decoder"

  2945. mpeg2_d3d11va_hwaccel_deps="d3d11va"

  2946. mpeg2_d3d11va_hwaccel_select="mpeg2video_decoder"

  2947. mpeg2_d3d11va2_hwaccel_deps="d3d11va"

  2948. mpeg2_d3d11va2_hwaccel_select="mpeg2video_decoder"

  2949. mpeg2_dxva2_hwaccel_deps="dxva2"

  2950. mpeg2_dxva2_hwaccel_select="mpeg2video_decoder"

  2951. mpeg2_nvdec_hwaccel_deps="nvdec"

  2952. mpeg2_nvdec_hwaccel_select="mpeg2video_decoder"

  2953. mpeg2_vaapi_hwaccel_deps="vaapi"

  2954. mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"

  2955. mpeg2_vdpau_hwaccel_deps="vdpau"

  2956. mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"

  2957. mpeg2_videotoolbox_hwaccel_deps="videotoolbox"

  2958. mpeg2_videotoolbox_hwaccel_select="mpeg2video_decoder"

  2959. mpeg2_xvmc_hwaccel_deps="xvmc"

  2960. mpeg2_xvmc_hwaccel_select="mpeg2video_decoder"

  2961. mpeg4_nvdec_hwaccel_deps="nvdec"

  2962. mpeg4_nvdec_hwaccel_select="mpeg4_decoder"

  2963. mpeg4_vaapi_hwaccel_deps="vaapi"

  2964. mpeg4_vaapi_hwaccel_select="mpeg4_decoder"

  2965. mpeg4_vdpau_hwaccel_deps="vdpau"

  2966. mpeg4_vdpau_hwaccel_select="mpeg4_decoder"

  2967. mpeg4_videotoolbox_hwaccel_deps="videotoolbox"

  2968. mpeg4_videotoolbox_hwaccel_select="mpeg4_decoder"

  2969. vc1_d3d11va_hwaccel_deps="d3d11va"

  2970. vc1_d3d11va_hwaccel_select="vc1_decoder"

  2971. vc1_d3d11va2_hwaccel_deps="d3d11va"

  2972. vc1_d3d11va2_hwaccel_select="vc1_decoder"

  2973. vc1_dxva2_hwaccel_deps="dxva2"

  2974. vc1_dxva2_hwaccel_select="vc1_decoder"

  2975. vc1_nvdec_hwaccel_deps="nvdec"

  2976. vc1_nvdec_hwaccel_select="vc1_decoder"

  2977. vc1_vaapi_hwaccel_deps="vaapi"

  2978. vc1_vaapi_hwaccel_select="vc1_decoder"

  2979. vc1_vdpau_hwaccel_deps="vdpau"

  2980. vc1_vdpau_hwaccel_select="vc1_decoder"

  2981. vp8_nvdec_hwaccel_deps="nvdec"

  2982. vp8_nvdec_hwaccel_select="vp8_decoder"

  2983. vp8_vaapi_hwaccel_deps="vaapi"

  2984. vp8_vaapi_hwaccel_select="vp8_decoder"

  2985. vp9_d3d11va_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2986. vp9_d3d11va_hwaccel_select="vp9_decoder"

  2987. vp9_d3d11va2_hwaccel_deps="d3d11va DXVA_PicParams_VP9"

  2988. vp9_d3d11va2_hwaccel_select="vp9_decoder"

  2989. vp9_dxva2_hwaccel_deps="dxva2 DXVA_PicParams_VP9"

  2990. vp9_dxva2_hwaccel_select="vp9_decoder"

  2991. vp9_nvdec_hwaccel_deps="nvdec"

  2992. vp9_nvdec_hwaccel_select="vp9_decoder"

  2993. vp9_vaapi_hwaccel_deps="vaapi VADecPictureParameterBufferVP9_bit_depth"

  2994. vp9_vaapi_hwaccel_select="vp9_decoder"

  2995. vp9_vdpau_hwaccel_deps="vdpau VdpPictureInfoVP9"

  2996. vp9_vdpau_hwaccel_select="vp9_decoder"

  2997. wmv3_d3d11va_hwaccel_select="vc1_d3d11va_hwaccel"

  2998. wmv3_d3d11va2_hwaccel_select="vc1_d3d11va2_hwaccel"

  2999. wmv3_dxva2_hwaccel_select="vc1_dxva2_hwaccel"

  3000. wmv3_nvdec_hwaccel_select="vc1_nvdec_hwaccel"

  3001. wmv3_vaapi_hwaccel_select="vc1_vaapi_hwaccel"

  3002. wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"

  3003. 

  3004. # hardware-accelerated codecs

  3005. omx_deps="libdl pthreads"

  3006. omx_rpi_select="omx"

  3007. qsv_deps="libmfx"

  3008. qsvdec_select="qsv"

  3009. qsvenc_select="qsv"

  3010. qsvvpp_select="qsv"

  3011. vaapi_encode_deps="vaapi"

  3012. v4l2_m2m_deps="linux_videodev2_h sem_timedwait"

  3013. 

  3014. hwupload_cuda_filter_deps="ffnvcodec"

  3015. scale_npp_filter_deps="ffnvcodec libnpp"

  3016. scale_cuda_filter_deps="ffnvcodec"

  3017. scale_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3018. thumbnail_cuda_filter_deps="ffnvcodec"

  3019. thumbnail_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3020. transpose_npp_filter_deps="ffnvcodec libnpp"

  3021. 

  3022. amf_deps_any="libdl LoadLibrary"

  3023. nvenc_deps="ffnvcodec"

  3024. nvenc_deps_any="libdl LoadLibrary"

  3025. nvenc_encoder_deps="nvenc"

  3026. 

  3027. h263_v4l2m2m_decoder_deps="v4l2_m2m h263_v4l2_m2m"

  3028. h263_v4l2m2m_encoder_deps="v4l2_m2m h263_v4l2_m2m"

  3029. h264_amf_encoder_deps="amf"

  3030. h264_crystalhd_decoder_select="crystalhd h264_mp4toannexb_bsf h264_parser"

  3031. h264_cuvid_decoder_deps="cuvid"

  3032. h264_cuvid_decoder_select="h264_mp4toannexb_bsf"

  3033. h264_mediacodec_decoder_deps="mediacodec"

  3034. h264_mediacodec_decoder_select="h264_mp4toannexb_bsf h264_parser"

  3035. h264_mmal_decoder_deps="mmal"

  3036. h264_nvenc_encoder_deps="nvenc"

  3037. h264_omx_encoder_deps="omx"

  3038. h264_qsv_decoder_select="h264_mp4toannexb_bsf qsvdec"

  3039. h264_qsv_encoder_select="qsvenc"

  3040. h264_rkmpp_decoder_deps="rkmpp"

  3041. h264_rkmpp_decoder_select="h264_mp4toannexb_bsf"

  3042. h264_vaapi_encoder_select="cbs_h264 vaapi_encode"

  3043. h264_v4l2m2m_decoder_deps="v4l2_m2m h264_v4l2_m2m"

  3044. h264_v4l2m2m_decoder_select="h264_mp4toannexb_bsf"

  3045. h264_v4l2m2m_encoder_deps="v4l2_m2m h264_v4l2_m2m"

  3046. hevc_amf_encoder_deps="amf"

  3047. hevc_cuvid_decoder_deps="cuvid"

  3048. hevc_cuvid_decoder_select="hevc_mp4toannexb_bsf"

  3049. hevc_mediacodec_decoder_deps="mediacodec"

  3050. hevc_mediacodec_decoder_select="hevc_mp4toannexb_bsf hevc_parser"

  3051. hevc_nvenc_encoder_deps="nvenc"

  3052. hevc_qsv_decoder_select="hevc_mp4toannexb_bsf qsvdec"

  3053. hevc_qsv_encoder_select="hevcparse qsvenc"

  3054. hevc_rkmpp_decoder_deps="rkmpp"

  3055. hevc_rkmpp_decoder_select="hevc_mp4toannexb_bsf"

  3056. hevc_vaapi_encoder_deps="VAEncPictureParameterBufferHEVC"

  3057. hevc_vaapi_encoder_select="cbs_h265 vaapi_encode"

  3058. hevc_v4l2m2m_decoder_deps="v4l2_m2m hevc_v4l2_m2m"

  3059. hevc_v4l2m2m_decoder_select="hevc_mp4toannexb_bsf"

  3060. hevc_v4l2m2m_encoder_deps="v4l2_m2m hevc_v4l2_m2m"

  3061. mjpeg_cuvid_decoder_deps="cuvid"

  3062. mjpeg_qsv_decoder_select="qsvdec"

  3063. mjpeg_qsv_encoder_deps="libmfx"

  3064. mjpeg_qsv_encoder_select="qsvenc"

  3065. mjpeg_vaapi_encoder_deps="VAEncPictureParameterBufferJPEG"

  3066. mjpeg_vaapi_encoder_select="cbs_jpeg jpegtables vaapi_encode"

  3067. mpeg1_cuvid_decoder_deps="cuvid"

  3068. mpeg1_v4l2m2m_decoder_deps="v4l2_m2m mpeg1_v4l2_m2m"

  3069. mpeg2_crystalhd_decoder_select="crystalhd"

  3070. mpeg2_cuvid_decoder_deps="cuvid"

  3071. mpeg2_mmal_decoder_deps="mmal"

  3072. mpeg2_mediacodec_decoder_deps="mediacodec"

  3073. mpeg2_qsv_decoder_select="qsvdec"

  3074. mpeg2_qsv_encoder_select="qsvenc"

  3075. mpeg2_vaapi_encoder_select="cbs_mpeg2 vaapi_encode"

  3076. mpeg2_v4l2m2m_decoder_deps="v4l2_m2m mpeg2_v4l2_m2m"

  3077. mpeg4_crystalhd_decoder_select="crystalhd"

  3078. mpeg4_cuvid_decoder_deps="cuvid"

  3079. mpeg4_mediacodec_decoder_deps="mediacodec"

  3080. mpeg4_mmal_decoder_deps="mmal"

  3081. mpeg4_omx_encoder_deps="omx"

  3082. mpeg4_v4l2m2m_decoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  3083. mpeg4_v4l2m2m_encoder_deps="v4l2_m2m mpeg4_v4l2_m2m"

  3084. msmpeg4_crystalhd_decoder_select="crystalhd"

  3085. nvenc_h264_encoder_select="h264_nvenc_encoder"

  3086. nvenc_hevc_encoder_select="hevc_nvenc_encoder"

  3087. vc1_crystalhd_decoder_select="crystalhd"

  3088. vc1_cuvid_decoder_deps="cuvid"

  3089. vc1_mmal_decoder_deps="mmal"

  3090. vc1_qsv_decoder_select="qsvdec"

  3091. vc1_v4l2m2m_decoder_deps="v4l2_m2m vc1_v4l2_m2m"

  3092. vp8_cuvid_decoder_deps="cuvid"

  3093. vp8_mediacodec_decoder_deps="mediacodec"

  3094. vp8_qsv_decoder_select="qsvdec"

  3095. vp8_rkmpp_decoder_deps="rkmpp"

  3096. vp8_vaapi_encoder_deps="VAEncPictureParameterBufferVP8"

  3097. vp8_vaapi_encoder_select="vaapi_encode"

  3098. vp8_v4l2m2m_decoder_deps="v4l2_m2m vp8_v4l2_m2m"

  3099. vp8_v4l2m2m_encoder_deps="v4l2_m2m vp8_v4l2_m2m"

  3100. vp9_cuvid_decoder_deps="cuvid"

  3101. vp9_mediacodec_decoder_deps="mediacodec"

  3102. vp9_qsv_decoder_select="qsvdec"

  3103. vp9_rkmpp_decoder_deps="rkmpp"

  3104. vp9_vaapi_encoder_deps="VAEncPictureParameterBufferVP9"

  3105. vp9_vaapi_encoder_select="vaapi_encode"

  3106. vp9_qsv_encoder_deps="libmfx MFX_CODEC_VP9"

  3107. vp9_qsv_encoder_select="qsvenc"

  3108. vp9_v4l2m2m_decoder_deps="v4l2_m2m vp9_v4l2_m2m"

  3109. wmv3_crystalhd_decoder_select="crystalhd"

  3110. 

  3111. # parsers

  3112. aac_parser_select="adts_header"

  3113. av1_parser_select="cbs_av1"

  3114. h264_parser_select="golomb h264dsp h264parse"

  3115. hevc_parser_select="hevcparse"

  3116. mpegaudio_parser_select="mpegaudioheader"

  3117. mpegvideo_parser_select="mpegvideo"

  3118. mpeg4video_parser_select="h263dsp mpegvideo qpeldsp"

  3119. vc1_parser_select="vc1dsp"

  3120. 

  3121. # bitstream_filters

  3122. aac_adtstoasc_bsf_select="adts_header"

  3123. av1_frame_merge_bsf_select="cbs_av1"

  3124. av1_frame_split_bsf_select="cbs_av1"

  3125. av1_metadata_bsf_select="cbs_av1"

  3126. eac3_core_bsf_select="ac3_parser"

  3127. filter_units_bsf_select="cbs"

  3128. h264_metadata_bsf_deps="const_nan"

  3129. h264_metadata_bsf_select="cbs_h264"

  3130. h264_redundant_pps_bsf_select="cbs_h264"

  3131. hevc_metadata_bsf_select="cbs_h265"

  3132. mjpeg2jpeg_bsf_select="jpegtables"

  3133. mpeg2_metadata_bsf_select="cbs_mpeg2"

  3134. trace_headers_bsf_select="cbs"

  3135. vp9_metadata_bsf_select="cbs_vp9"

  3136. 

  3137. # external libraries

  3138. aac_at_decoder_deps="audiotoolbox"

  3139. aac_at_decoder_select="aac_adtstoasc_bsf"

  3140. ac3_at_decoder_deps="audiotoolbox"

  3141. ac3_at_decoder_select="ac3_parser"

  3142. adpcm_ima_qt_at_decoder_deps="audiotoolbox"

  3143. alac_at_decoder_deps="audiotoolbox"

  3144. amr_nb_at_decoder_deps="audiotoolbox"

  3145. avisynth_deps_any="libdl LoadLibrary"

  3146. avisynth_demuxer_deps="avisynth"

  3147. avisynth_demuxer_select="riffdec"

  3148. eac3_at_decoder_deps="audiotoolbox"

  3149. eac3_at_decoder_select="ac3_parser"

  3150. gsm_ms_at_decoder_deps="audiotoolbox"

  3151. ilbc_at_decoder_deps="audiotoolbox"

  3152. mp1_at_decoder_deps="audiotoolbox"

  3153. mp2_at_decoder_deps="audiotoolbox"

  3154. mp3_at_decoder_deps="audiotoolbox"

  3155. mp1_at_decoder_select="mpegaudioheader"

  3156. mp2_at_decoder_select="mpegaudioheader"

  3157. mp3_at_decoder_select="mpegaudioheader"

  3158. pcm_alaw_at_decoder_deps="audiotoolbox"

  3159. pcm_mulaw_at_decoder_deps="audiotoolbox"

  3160. qdmc_decoder_select="fft"

  3161. qdmc_at_decoder_deps="audiotoolbox"

  3162. qdm2_at_decoder_deps="audiotoolbox"

  3163. aac_at_encoder_deps="audiotoolbox"

  3164. aac_at_encoder_select="audio_frame_queue"

  3165. alac_at_encoder_deps="audiotoolbox"

  3166. alac_at_encoder_select="audio_frame_queue"

  3167. ilbc_at_encoder_deps="audiotoolbox"

  3168. ilbc_at_encoder_select="audio_frame_queue"

  3169. pcm_alaw_at_encoder_deps="audiotoolbox"

  3170. pcm_alaw_at_encoder_select="audio_frame_queue"

  3171. pcm_mulaw_at_encoder_deps="audiotoolbox"

  3172. pcm_mulaw_at_encoder_select="audio_frame_queue"

  3173. chromaprint_muxer_deps="chromaprint"

  3174. h264_videotoolbox_encoder_deps="pthreads"

  3175. h264_videotoolbox_encoder_select="videotoolbox_encoder"

  3176. hevc_videotoolbox_encoder_deps="pthreads"

  3177. hevc_videotoolbox_encoder_select="videotoolbox_encoder"

  3178. libaom_av1_decoder_deps="libaom"

  3179. libaom_av1_encoder_deps="libaom"

  3180. libaom_av1_encoder_select="extract_extradata_bsf"

  3181. libaribb24_decoder_deps="libaribb24"

  3182. libcelt_decoder_deps="libcelt"

  3183. libcodec2_decoder_deps="libcodec2"

  3184. libcodec2_encoder_deps="libcodec2"

  3185. libdav1d_decoder_deps="libdav1d"

  3186. libdavs2_decoder_deps="libdavs2"

  3187. libfdk_aac_decoder_deps="libfdk_aac"

  3188. libfdk_aac_encoder_deps="libfdk_aac"

  3189. libfdk_aac_encoder_select="audio_frame_queue"

  3190. libgme_demuxer_deps="libgme"

  3191. libgsm_decoder_deps="libgsm"

  3192. libgsm_encoder_deps="libgsm"

  3193. libgsm_ms_decoder_deps="libgsm"

  3194. libgsm_ms_encoder_deps="libgsm"

  3195. libilbc_decoder_deps="libilbc"

  3196. libilbc_encoder_deps="libilbc"

  3197. libkvazaar_encoder_deps="libkvazaar"

  3198. libmodplug_demuxer_deps="libmodplug"

  3199. libmp3lame_encoder_deps="libmp3lame"

  3200. libmp3lame_encoder_select="audio_frame_queue mpegaudioheader"

  3201. libopencore_amrnb_decoder_deps="libopencore_amrnb"

  3202. libopencore_amrnb_encoder_deps="libopencore_amrnb"

  3203. libopencore_amrnb_encoder_select="audio_frame_queue"

  3204. libopencore_amrwb_decoder_deps="libopencore_amrwb"

  3205. libopenh264_decoder_deps="libopenh264"

  3206. libopenh264_decoder_select="h264_mp4toannexb_bsf"

  3207. libopenh264_encoder_deps="libopenh264"

  3208. libopenjpeg_decoder_deps="libopenjpeg"

  3209. libopenjpeg_encoder_deps="libopenjpeg"

  3210. libopenmpt_demuxer_deps="libopenmpt"

  3211. libopus_decoder_deps="libopus"

  3212. libopus_encoder_deps="libopus"

  3213. libopus_encoder_select="audio_frame_queue"

  3214. librav1e_encoder_deps="librav1e"

  3215. librav1e_encoder_select="extract_extradata_bsf"

  3216. librsvg_decoder_deps="librsvg"

  3217. libshine_encoder_deps="libshine"

  3218. libshine_encoder_select="audio_frame_queue"

  3219. libspeex_decoder_deps="libspeex"

  3220. libspeex_encoder_deps="libspeex"

  3221. libspeex_encoder_select="audio_frame_queue"

  3222. libtheora_encoder_deps="libtheora"

  3223. libtwolame_encoder_deps="libtwolame"

  3224. libvo_amrwbenc_encoder_deps="libvo_amrwbenc"

  3225. libvorbis_decoder_deps="libvorbis"

  3226. libvorbis_encoder_deps="libvorbis libvorbisenc"

  3227. libvorbis_encoder_select="audio_frame_queue"

  3228. libvpx_vp8_decoder_deps="libvpx"

  3229. libvpx_vp8_encoder_deps="libvpx"

  3230. libvpx_vp9_decoder_deps="libvpx"

  3231. libvpx_vp9_encoder_deps="libvpx"

  3232. libwavpack_encoder_deps="libwavpack"

  3233. libwavpack_encoder_select="audio_frame_queue"

  3234. libwebp_encoder_deps="libwebp"

  3235. libwebp_anim_encoder_deps="libwebp"

  3236. libx262_encoder_deps="libx262"

  3237. libx264_encoder_deps="libx264"

  3238. libx264rgb_encoder_deps="libx264 x264_csp_bgr"

  3239. libx264rgb_encoder_select="libx264_encoder"

  3240. libx265_encoder_deps="libx265"

  3241. libxavs_encoder_deps="libxavs"

  3242. libxavs2_encoder_deps="libxavs2"

  3243. libxvid_encoder_deps="libxvid"

  3244. libzvbi_teletext_decoder_deps="libzvbi"

  3245. vapoursynth_demuxer_deps="vapoursynth"

  3246. videotoolbox_suggest="coreservices"

  3247. videotoolbox_deps="corefoundation coremedia corevideo"

  3248. videotoolbox_encoder_deps="videotoolbox VTCompressionSessionPrepareToEncodeFrames"

  3249. 

  3250. # demuxers / muxers

  3251. ac3_demuxer_select="ac3_parser"

  3252. act_demuxer_select="riffdec"

  3253. aiff_muxer_select="iso_media"

  3254. asf_demuxer_select="riffdec"

  3255. asf_o_demuxer_select="riffdec"

  3256. asf_muxer_select="riffenc"

  3257. asf_stream_muxer_select="asf_muxer"

  3258. av1_demuxer_select="av1_frame_merge_bsf av1_parser"

  3259. avi_demuxer_select="iso_media riffdec exif"

  3260. avi_muxer_select="riffenc"

  3261. caf_demuxer_select="iso_media riffdec"

  3262. caf_muxer_select="iso_media"

  3263. dash_muxer_select="mp4_muxer"

  3264. dash_demuxer_deps="libxml2"

  3265. dirac_demuxer_select="dirac_parser"

  3266. dts_demuxer_select="dca_parser"

  3267. dtshd_demuxer_select="dca_parser"

  3268. dv_demuxer_select="dvprofile"

  3269. dv_muxer_select="dvprofile"

  3270. dxa_demuxer_select="riffdec"

  3271. eac3_demuxer_select="ac3_parser"

  3272. f4v_muxer_select="mov_muxer"

  3273. fifo_muxer_deps="threads"

  3274. flac_demuxer_select="flac_parser"

  3275. hds_muxer_select="flv_muxer"

  3276. hls_muxer_select="mpegts_muxer"

  3277. hls_muxer_suggest="gcrypt openssl"

  3278. image2_alias_pix_demuxer_select="image2_demuxer"

  3279. image2_brender_pix_demuxer_select="image2_demuxer"

  3280. ipod_muxer_select="mov_muxer"

  3281. ismv_muxer_select="mov_muxer"

  3282. ivf_muxer_select="av1_metadata_bsf vp9_superframe_bsf"

  3283. matroska_audio_muxer_select="matroska_muxer"

  3284. matroska_demuxer_select="iso_media riffdec"

  3285. matroska_demuxer_suggest="bzlib lzo zlib"

  3286. matroska_muxer_select="iso_media riffenc"

  3287. mmf_muxer_select="riffenc"

  3288. mov_demuxer_select="iso_media riffdec"

  3289. mov_demuxer_suggest="zlib"

  3290. mov_muxer_select="iso_media riffenc rtpenc_chain"

  3291. mp3_demuxer_select="mpegaudio_parser"

  3292. mp3_muxer_select="mpegaudioheader"

  3293. mp4_muxer_select="mov_muxer"

  3294. mpegts_demuxer_select="iso_media"

  3295. mpegts_muxer_select="adts_muxer latm_muxer"

  3296. mpegtsraw_demuxer_select="mpegts_demuxer"

  3297. mxf_muxer_select="golomb"

  3298. mxf_d10_muxer_select="mxf_muxer"

  3299. mxf_opatom_muxer_select="mxf_muxer"

  3300. nut_muxer_select="riffenc"

  3301. nuv_demuxer_select="riffdec"

  3302. oga_muxer_select="ogg_muxer"

  3303. ogg_demuxer_select="dirac_parse"

  3304. ogv_muxer_select="ogg_muxer"

  3305. opus_muxer_select="ogg_muxer"

  3306. psp_muxer_select="mov_muxer"

  3307. rtp_demuxer_select="sdp_demuxer"

  3308. rtp_muxer_select="golomb jpegtables"

  3309. rtpdec_select="asf_demuxer jpegtables mov_demuxer mpegts_demuxer rm_demuxer rtp_protocol srtp"

  3310. rtsp_demuxer_select="http_protocol rtpdec"

  3311. rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol rtpenc_chain"

  3312. sap_demuxer_select="sdp_demuxer"

  3313. sap_muxer_select="rtp_muxer rtp_protocol rtpenc_chain"

  3314. sdp_demuxer_select="rtpdec"

  3315. smoothstreaming_muxer_select="ismv_muxer"

  3316. spdif_demuxer_select="adts_header"

  3317. spdif_muxer_select="adts_header"

  3318. spx_muxer_select="ogg_muxer"

  3319. swf_demuxer_suggest="zlib"

  3320. tak_demuxer_select="tak_parser"

  3321. tg2_muxer_select="mov_muxer"

  3322. tgp_muxer_select="mov_muxer"

  3323. vobsub_demuxer_select="mpegps_demuxer"

  3324. w64_demuxer_select="wav_demuxer"

  3325. w64_muxer_select="wav_muxer"

  3326. wav_demuxer_select="riffdec"

  3327. wav_muxer_select="riffenc"

  3328. webm_muxer_select="iso_media riffenc"

  3329. webm_dash_manifest_demuxer_select="matroska_demuxer"

  3330. wtv_demuxer_select="mpegts_demuxer riffdec"

  3331. wtv_muxer_select="mpegts_muxer riffenc"

  3332. xmv_demuxer_select="riffdec"

  3333. xwma_demuxer_select="riffdec"

  3334. 

  3335. # indevs / outdevs

  3336. android_camera_indev_deps="android camera2ndk mediandk pthreads"

  3337. android_camera_indev_extralibs="-landroid -lcamera2ndk -lmediandk"

  3338. alsa_indev_deps="alsa"

  3339. alsa_outdev_deps="alsa"

  3340. avfoundation_indev_deps="avfoundation corevideo coremedia pthreads"

  3341. avfoundation_indev_suggest="coregraphics applicationservices"

  3342. avfoundation_indev_extralibs="-framework Foundation"

  3343. bktr_indev_deps_any="dev_bktr_ioctl_bt848_h machine_ioctl_bt848_h dev_video_bktr_ioctl_bt848_h dev_ic_bt8xx_h"

  3344. caca_outdev_deps="libcaca"

  3345. decklink_deps_any="libdl LoadLibrary"

  3346. decklink_indev_deps="decklink threads"

  3347. decklink_indev_extralibs="-lstdc++"

  3348. decklink_outdev_deps="decklink threads"

  3349. decklink_outdev_suggest="libklvanc"

  3350. decklink_outdev_extralibs="-lstdc++"

  3351. dshow_indev_deps="IBaseFilter"

  3352. dshow_indev_extralibs="-lpsapi -lole32 -lstrmiids -luuid -loleaut32 -lshlwapi"

  3353. fbdev_indev_deps="linux_fb_h"

  3354. fbdev_outdev_deps="linux_fb_h"

  3355. gdigrab_indev_deps="CreateDIBSection"

  3356. gdigrab_indev_extralibs="-lgdi32"

  3357. gdigrab_indev_select="bmp_decoder"

  3358. iec61883_indev_deps="libiec61883"

  3359. jack_indev_deps="libjack"

  3360. jack_indev_deps_any="sem_timedwait dispatch_dispatch_h"

  3361. kmsgrab_indev_deps="libdrm"

  3362. lavfi_indev_deps="avfilter"

  3363. libcdio_indev_deps="libcdio"

  3364. libdc1394_indev_deps="libdc1394"

  3365. openal_indev_deps="openal"

  3366. opengl_outdev_deps="opengl"

  3367. opengl_outdev_suggest="sdl2"

  3368. oss_indev_deps_any="sys_soundcard_h"

  3369. oss_outdev_deps_any="sys_soundcard_h"

  3370. pulse_indev_deps="libpulse"

  3371. pulse_outdev_deps="libpulse"

  3372. sdl2_outdev_deps="sdl2"

  3373. sndio_indev_deps="sndio"

  3374. sndio_outdev_deps="sndio"

  3375. v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"

  3376. v4l2_indev_suggest="libv4l2"

  3377. v4l2_outdev_deps_any="linux_videodev2_h sys_videoio_h"

  3378. v4l2_outdev_suggest="libv4l2"

  3379. vfwcap_indev_deps="vfw32 vfwcap_defines"

  3380. xcbgrab_indev_deps="libxcb"

  3381. xcbgrab_indev_suggest="libxcb_shm libxcb_shape libxcb_xfixes"

  3382. xv_outdev_deps="xlib"

  3383. 

  3384. # protocols

  3385. async_protocol_deps="threads"

  3386. bluray_protocol_deps="libbluray"

  3387. ffrtmpcrypt_protocol_conflict="librtmp_protocol"

  3388. ffrtmpcrypt_protocol_deps_any="gcrypt gmp openssl mbedtls"

  3389. ffrtmpcrypt_protocol_select="tcp_protocol"

  3390. ffrtmphttp_protocol_conflict="librtmp_protocol"

  3391. ffrtmphttp_protocol_select="http_protocol"

  3392. ftp_protocol_select="tcp_protocol"

  3393. gopher_protocol_select="network"

  3394. http_protocol_select="tcp_protocol"

  3395. http_protocol_suggest="zlib"

  3396. httpproxy_protocol_select="tcp_protocol"

  3397. httpproxy_protocol_suggest="zlib"

  3398. https_protocol_select="tls_protocol"

  3399. https_protocol_suggest="zlib"

  3400. icecast_protocol_select="http_protocol"

  3401. mmsh_protocol_select="http_protocol"

  3402. mmst_protocol_select="network"

  3403. rtmp_protocol_conflict="librtmp_protocol"

  3404. rtmp_protocol_select="tcp_protocol"

  3405. rtmp_protocol_suggest="zlib"

  3406. rtmpe_protocol_select="ffrtmpcrypt_protocol"

  3407. rtmpe_protocol_suggest="zlib"

  3408. rtmps_protocol_conflict="librtmp_protocol"

  3409. rtmps_protocol_select="tls_protocol"

  3410. rtmps_protocol_suggest="zlib"

  3411. rtmpt_protocol_select="ffrtmphttp_protocol"

  3412. rtmpt_protocol_suggest="zlib"

  3413. rtmpte_protocol_select="ffrtmpcrypt_protocol ffrtmphttp_protocol"

  3414. rtmpte_protocol_suggest="zlib"

  3415. rtmpts_protocol_select="ffrtmphttp_protocol https_protocol"

  3416. rtmpts_protocol_suggest="zlib"

  3417. rtp_protocol_select="udp_protocol"

  3418. schannel_conflict="openssl gnutls libtls mbedtls"

  3419. sctp_protocol_deps="struct_sctp_event_subscribe struct_msghdr_msg_flags"

  3420. sctp_protocol_select="network"

  3421. securetransport_conflict="openssl gnutls libtls mbedtls"

  3422. srtp_protocol_select="rtp_protocol srtp"

  3423. tcp_protocol_select="network"

  3424. tls_protocol_deps_any="gnutls openssl schannel securetransport libtls mbedtls"

  3425. tls_protocol_select="tcp_protocol"

  3426. udp_protocol_select="network"

  3427. udplite_protocol_select="network"

  3428. unix_protocol_deps="sys_un_h"

  3429. unix_protocol_select="network"

  3430. 

  3431. # external library protocols

  3432. librtmp_protocol_deps="librtmp"

  3433. librtmpe_protocol_deps="librtmp"

  3434. librtmps_protocol_deps="librtmp"

  3435. librtmpt_protocol_deps="librtmp"

  3436. librtmpte_protocol_deps="librtmp"

  3437. libsmbclient_protocol_deps="libsmbclient gplv3"

  3438. libsrt_protocol_deps="libsrt"

  3439. libsrt_protocol_select="network"

  3440. libssh_protocol_deps="libssh"

  3441. libtls_conflict="openssl gnutls mbedtls"

  3442. libzmq_protocol_deps="libzmq"

  3443. libzmq_protocol_select="network"

  3444. 

  3445. # filters

  3446. afftdn_filter_deps="avcodec"

  3447. afftdn_filter_select="fft"

  3448. afftfilt_filter_deps="avcodec"

  3449. afftfilt_filter_select="fft"

  3450. afir_filter_deps="avcodec"

  3451. afir_filter_select="rdft"

  3452. amovie_filter_deps="avcodec avformat"

  3453. aresample_filter_deps="swresample"

  3454. asr_filter_deps="pocketsphinx"

  3455. ass_filter_deps="libass"

  3456. atempo_filter_deps="avcodec"

  3457. atempo_filter_select="rdft"

  3458. avgblur_opencl_filter_deps="opencl"

  3459. azmq_filter_deps="libzmq"

  3460. blackframe_filter_deps="gpl"

  3461. bm3d_filter_deps="avcodec"

  3462. bm3d_filter_select="dct"

  3463. boxblur_filter_deps="gpl"

  3464. boxblur_opencl_filter_deps="opencl gpl"

  3465. bs2b_filter_deps="libbs2b"

  3466. colorkey_opencl_filter_deps="opencl"

  3467. colormatrix_filter_deps="gpl"

  3468. convolution_opencl_filter_deps="opencl"

  3469. convolve_filter_deps="avcodec"

  3470. convolve_filter_select="fft"

  3471. coreimage_filter_deps="coreimage appkit"

  3472. coreimage_filter_extralibs="-framework OpenGL"

  3473. coreimagesrc_filter_deps="coreimage appkit"

  3474. coreimagesrc_filter_extralibs="-framework OpenGL"

  3475. cover_rect_filter_deps="avcodec avformat gpl"

  3476. cropdetect_filter_deps="gpl"

  3477. deconvolve_filter_deps="avcodec"

  3478. deconvolve_filter_select="fft"

  3479. deinterlace_qsv_filter_deps="libmfx"

  3480. deinterlace_vaapi_filter_deps="vaapi"

  3481. delogo_filter_deps="gpl"

  3482. denoise_vaapi_filter_deps="vaapi"

  3483. derain_filter_select="dnn"

  3484. deshake_filter_select="pixelutils"

  3485. deshake_opencl_filter_deps="opencl"

  3486. dilation_opencl_filter_deps="opencl"

  3487. dnn_processing_filter_select="dnn"

  3488. drawtext_filter_deps="libfreetype"

  3489. drawtext_filter_suggest="libfontconfig libfribidi"

  3490. elbg_filter_deps="avcodec"

  3491. eq_filter_deps="gpl"

  3492. erosion_opencl_filter_deps="opencl"

  3493. fftfilt_filter_deps="avcodec"

  3494. fftfilt_filter_select="rdft"

  3495. fftdnoiz_filter_deps="avcodec"

  3496. fftdnoiz_filter_select="fft"

  3497. find_rect_filter_deps="avcodec avformat gpl"

  3498. firequalizer_filter_deps="avcodec"

  3499. firequalizer_filter_select="rdft"

  3500. flite_filter_deps="libflite"

  3501. framerate_filter_select="scene_sad"

  3502. freezedetect_filter_select="scene_sad"

  3503. frei0r_filter_deps="frei0r libdl"

  3504. frei0r_src_filter_deps="frei0r libdl"

  3505. fspp_filter_deps="gpl"

  3506. geq_filter_deps="gpl"

  3507. headphone_filter_select="fft"

  3508. histeq_filter_deps="gpl"

  3509. hqdn3d_filter_deps="gpl"

  3510. interlace_filter_deps="gpl"

  3511. kerndeint_filter_deps="gpl"

  3512. ladspa_filter_deps="ladspa libdl"

  3513. lensfun_filter_deps="liblensfun version3"

  3514. lv2_filter_deps="lv2"

  3515. mcdeint_filter_deps="avcodec gpl"

  3516. movie_filter_deps="avcodec avformat"

  3517. mpdecimate_filter_deps="gpl"

  3518. mpdecimate_filter_select="pixelutils"

  3519. minterpolate_filter_select="scene_sad"

  3520. mptestsrc_filter_deps="gpl"

  3521. negate_filter_deps="lut_filter"

  3522. nlmeans_opencl_filter_deps="opencl"

  3523. nnedi_filter_deps="gpl"

  3524. ocr_filter_deps="libtesseract"

  3525. ocv_filter_deps="libopencv"

  3526. openclsrc_filter_deps="opencl"

  3527. overlay_opencl_filter_deps="opencl"

  3528. overlay_qsv_filter_deps="libmfx"

  3529. overlay_qsv_filter_select="qsvvpp"

  3530. owdenoise_filter_deps="gpl"

  3531. pan_filter_deps="swresample"

  3532. perspective_filter_deps="gpl"

  3533. phase_filter_deps="gpl"

  3534. pp7_filter_deps="gpl"

  3535. pp_filter_deps="gpl postproc"

  3536. prewitt_opencl_filter_deps="opencl"

  3537. procamp_vaapi_filter_deps="vaapi"

  3538. program_opencl_filter_deps="opencl"

  3539. pullup_filter_deps="gpl"

  3540. removelogo_filter_deps="avcodec avformat swscale"

  3541. repeatfields_filter_deps="gpl"

  3542. resample_filter_deps="avresample"

  3543. roberts_opencl_filter_deps="opencl"

  3544. rubberband_filter_deps="librubberband"

  3545. sab_filter_deps="gpl swscale"

  3546. scale2ref_filter_deps="swscale"

  3547. scale_filter_deps="swscale"

  3548. scale_qsv_filter_deps="libmfx"

  3549. select_filter_select="scene_sad"

  3550. sharpness_vaapi_filter_deps="vaapi"

  3551. showcqt_filter_deps="avcodec avformat swscale"

  3552. showcqt_filter_suggest="libfontconfig libfreetype"

  3553. showcqt_filter_select="fft"

  3554. showfreqs_filter_deps="avcodec"

  3555. showfreqs_filter_select="fft"

  3556. showspatial_filter_select="fft"

  3557. showspectrum_filter_deps="avcodec"

  3558. showspectrum_filter_select="fft"

  3559. showspectrumpic_filter_deps="avcodec"

  3560. showspectrumpic_filter_select="fft"

  3561. signature_filter_deps="gpl avcodec avformat"

  3562. sinc_filter_select="rdft"

  3563. smartblur_filter_deps="gpl swscale"

  3564. sobel_opencl_filter_deps="opencl"

  3565. sofalizer_filter_deps="libmysofa avcodec"

  3566. sofalizer_filter_select="fft"

  3567. spectrumsynth_filter_deps="avcodec"

  3568. spectrumsynth_filter_select="fft"

  3569. spp_filter_deps="gpl avcodec"

  3570. spp_filter_select="fft idctdsp fdctdsp me_cmp pixblockdsp"

  3571. sr_filter_deps="avformat swscale"

  3572. sr_filter_select="dnn"

  3573. stereo3d_filter_deps="gpl"

  3574. subtitles_filter_deps="avformat avcodec libass"

  3575. super2xsai_filter_deps="gpl"

  3576. pixfmts_super2xsai_test_deps="super2xsai_filter"

  3577. superequalizer_filter_select="rdft"

  3578. surround_filter_select="rdft"

  3579. tinterlace_filter_deps="gpl"

  3580. tinterlace_merge_test_deps="tinterlace_filter"

  3581. tinterlace_pad_test_deps="tinterlace_filter"

  3582. tonemap_filter_deps="const_nan"

  3583. tonemap_vaapi_filter_deps="vaapi VAProcPipelineParameterBuffer_output_hdr_metadata"

  3584. tonemap_opencl_filter_deps="opencl const_nan"

  3585. transpose_opencl_filter_deps="opencl"

  3586. transpose_vaapi_filter_deps="vaapi VAProcPipelineCaps_rotation_flags"

  3587. unsharp_opencl_filter_deps="opencl"

  3588. uspp_filter_deps="gpl avcodec"

  3589. vaguedenoiser_filter_deps="gpl"

  3590. vidstabdetect_filter_deps="libvidstab"

  3591. vidstabtransform_filter_deps="libvidstab"

  3592. libvmaf_filter_deps="libvmaf pthreads"

  3593. zmq_filter_deps="libzmq"

  3594. zoompan_filter_deps="swscale"

  3595. zscale_filter_deps="libzimg const_nan"

  3596. scale_vaapi_filter_deps="vaapi"

  3597. vpp_qsv_filter_deps="libmfx"

  3598. vpp_qsv_filter_select="qsvvpp"

  3599. yadif_cuda_filter_deps="ffnvcodec"

  3600. yadif_cuda_filter_deps_any="cuda_nvcc cuda_llvm"

  3601. 

  3602. # examples

  3603. avio_dir_cmd_deps="avformat avutil"

  3604. avio_reading_deps="avformat avcodec avutil"

  3605. decode_audio_example_deps="avcodec avutil"

  3606. decode_video_example_deps="avcodec avutil"

  3607. demuxing_decoding_example_deps="avcodec avformat avutil"

  3608. encode_audio_example_deps="avcodec avutil"

  3609. encode_video_example_deps="avcodec avutil"

  3610. extract_mvs_example_deps="avcodec avformat avutil"

  3611. filter_audio_example_deps="avfilter avutil"

  3612. filtering_audio_example_deps="avfilter avcodec avformat avutil"

  3613. filtering_video_example_deps="avfilter avcodec avformat avutil"

  3614. http_multiclient_example_deps="avformat avutil fork"

  3615. hw_decode_example_deps="avcodec avformat avutil"

  3616. metadata_example_deps="avformat avutil"

  3617. muxing_example_deps="avcodec avformat avutil swscale"

  3618. qsvdec_example_deps="avcodec avutil libmfx h264_qsv_decoder"

  3619. remuxing_example_deps="avcodec avformat avutil"

  3620. resampling_audio_example_deps="avutil swresample"

  3621. scaling_video_example_deps="avutil swscale"

  3622. transcode_aac_example_deps="avcodec avformat swresample"

  3623. transcoding_example_deps="avfilter avcodec avformat avutil"

  3624. vaapi_encode_example_deps="avcodec avutil h264_vaapi_encoder"

  3625. vaapi_transcode_example_deps="avcodec avformat avutil h264_vaapi_encoder"

  3626. 

  3627. # EXTRALIBS_LIST

  3628. cpu_init_extralibs="pthreads_extralibs"

  3629. cws2fws_extralibs="zlib_extralibs"

  3630. 

  3631. # libraries, in any order

  3632. avcodec_deps="avutil"

  3633. avcodec_suggest="libm"

  3634. avcodec_select="null_bsf"

  3635. avdevice_deps="avformat avcodec avutil"

  3636. avdevice_suggest="libm"

  3637. avfilter_deps="avutil"

  3638. avfilter_suggest="libm"

  3639. avformat_deps="avcodec avutil"

  3640. avformat_suggest="libm network zlib"

  3641. avresample_deps="avutil"

  3642. avresample_suggest="libm"

  3643. avutil_suggest="clock_gettime ffnvcodec libm libdrm libmfx opencl user32 vaapi videotoolbox corefoundation corevideo coremedia bcrypt"

  3644. postproc_deps="avutil gpl"

  3645. postproc_suggest="libm"

  3646. swresample_deps="avutil"

  3647. swresample_suggest="libm libsoxr"

  3648. swscale_deps="avutil"

  3649. swscale_suggest="libm"

  3650. 

  3651. avcodec_extralibs="pthreads_extralibs iconv_extralibs dxva2_extralibs"

  3652. avfilter_extralibs="pthreads_extralibs"

  3653. avutil_extralibs="d3d11va_extralibs nanosleep_extralibs pthreads_extralibs vaapi_drm_extralibs vaapi_x11_extralibs vdpau_x11_extralibs"

  3654. 

  3655. # programs

  3656. ffmpeg_deps="avcodec avfilter avformat"

  3657. ffmpeg_select="aformat_filter anull_filter atrim_filter format_filter

  3658.                hflip_filter null_filter

  3659.                transpose_filter trim_filter vflip_filter"

  3660. ffmpeg_suggest="ole32 psapi shell32"

  3661. ffplay_deps="avcodec avformat swscale swresample sdl2"

  3662. ffplay_select="rdft crop_filter transpose_filter hflip_filter vflip_filter rotate_filter"

  3663. ffplay_suggest="shell32"

  3664. ffprobe_deps="avcodec avformat"

  3665. ffprobe_suggest="shell32"

  3666. 

  3667. # documentation

  3668. podpages_deps="perl"

  3669. manpages_deps="perl pod2man"

  3670. htmlpages_deps="perl"

  3671. htmlpages_deps_any="makeinfo_html texi2html"

  3672. txtpages_deps="perl makeinfo"

  3673. doc_deps_any="manpages htmlpages podpages txtpages"

  3674. 

  3675. # default parameters

  3676. 

  3677. logfile="ffbuild/config.log"

  3678. 

  3679. # installation paths

  3680. prefix_default="/usr/local"

  3681. bindir_default='${prefix}/bin'

  3682. datadir_default='${prefix}/share/ffmpeg'

  3683. docdir_default='${prefix}/share/doc/ffmpeg'

  3684. incdir_default='${prefix}/include'

  3685. libdir_default='${prefix}/lib'

  3686. mandir_default='${prefix}/share/man'

  3687. 

  3688. # toolchain

  3689. ar_default="ar"

  3690. cc_default="gcc"

  3691. cxx_default="g++"

  3692. host_cc_default="gcc"

  3693. doxygen_default="doxygen"

  3694. install="install"

  3695. ln_s_default="ln -s -f"

  3696. nm_default="nm -g"

  3697. pkg_config_default=pkg-config

  3698. ranlib_default="ranlib"

  3699. strip_default="strip"

  3700. version_script='--version-script'

  3701. objformat="elf32"

  3702. x86asmexe_default="nasm"

  3703. windres_default="windres"

  3704. striptype="direct"

  3705. 

  3706. # OS

  3707. target_os_default=$(tolower $(uname -s))

  3708. host_os=$target_os_default

  3709. 

  3710. # machine

  3711. if test "$target_os_default" = aix; then

  3712.     arch_default=$(uname -p)

  3713.     strip_default="strip -X32_64"

  3714.     nm_default="nm -g -X32_64"

  3715. else

  3716.     arch_default=$(uname -m)

  3717. fi

  3718. cpu="generic"

  3719. intrinsics="none"

  3720. 

  3721. # configurable options

  3722. enable $PROGRAM_LIST

  3723. enable $DOCUMENT_LIST

  3724. enable $EXAMPLE_LIST

  3725. enable $(filter_out avresample $LIBRARY_LIST)

  3726. enable stripping

  3727. 

  3728. enable asm

  3729. enable debug

  3730. enable doc

  3731. enable faan faandct faanidct

  3732. enable large_tests

  3733. enable optimizations

  3734. enable runtime_cpudetect

  3735. enable safe_bitstream_reader

  3736. enable static

  3737. enable swscale_alpha

  3738. enable valgrind_backtrace

  3739. 

  3740. sws_max_filter_size_default=256

  3741. set_default sws_max_filter_size

  3742. 

  3743. # internal components are enabled by default

  3744. enable $EXTRALIBS_LIST

  3745. 

  3746. # Avoid external, non-system, libraries getting enabled by dependency resolution

  3747. disable $EXTERNAL_LIBRARY_LIST $HWACCEL_LIBRARY_LIST

  3748. 

  3749. # build settings

  3750. SHFLAGS='-shared -Wl,-soname,$$(@F)'

  3751. LIBPREF="lib"

  3752. LIBSUF=".a"

  3753. FULLNAME='$(NAME)$(BUILDSUF)'

  3754. LIBNAME='$(LIBPREF)$(FULLNAME)$(LIBSUF)'

  3755. SLIBPREF="lib"

  3756. SLIBSUF=".so"

  3757. SLIBNAME='$(SLIBPREF)$(FULLNAME)$(SLIBSUF)'

  3758. SLIBNAME_WITH_VERSION='$(SLIBNAME).$(LIBVERSION)'

  3759. SLIBNAME_WITH_MAJOR='$(SLIBNAME).$(LIBMAJOR)'

  3760. LIB_INSTALL_EXTRA_CMD='$$(RANLIB) "$(LIBDIR)/$(LIBNAME)"'

  3761. SLIB_INSTALL_NAME='$(SLIBNAME_WITH_VERSION)'

  3762. SLIB_INSTALL_LINKS='$(SLIBNAME_WITH_MAJOR) $(SLIBNAME)'

  3763. VERSION_SCRIPT_POSTPROCESS_CMD="cat"

  3764. 

  3765. asflags_filter=echo

  3766. cflags_filter=echo

  3767. ldflags_filter=echo

  3768. 

  3769. AS_C='-c'

  3770. AS_O='-o $@'

  3771. CC_C='-c'

  3772. CC_E='-E -o $@'

  3773. CC_O='-o $@'

  3774. CXX_C='-c'

  3775. CXX_O='-o $@'

  3776. OBJCC_C='-c'

  3777. OBJCC_E='-E -o $@'

  3778. OBJCC_O='-o $@'

  3779. X86ASM_O='-o $@'

  3780. LD_O='-o $@'

  3781. LD_LIB='-l%'

  3782. LD_PATH='-L'

  3783. HOSTCC_C='-c'

  3784. HOSTCC_E='-E -o $@'

  3785. HOSTCC_O='-o $@'

  3786. HOSTLD_O='-o $@'

  3787. NVCC_C='-c'

  3788. NVCC_O='-o $@'

  3789. 

  3790. host_extralibs='-lm'

  3791. host_cflags_filter=echo

  3792. host_ldflags_filter=echo

  3793. 

  3794. target_path='$(CURDIR)'

  3795. 

  3796. # since the object filename is not given with the -MM flag, the compiler

  3797. # is only able to print the basename, and we must add the path ourselves

  3798. DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>/dev/null | sed -e "/^\#.*/d" -e "s,^[[:space:]]*$(@F),$(@D)/$(@F)," > $(@:.o=.d)'

  3799. DEPFLAGS='-MM'

  3800. 

  3801. mkdir -p ffbuild

  3802. 

  3803. # find source path

  3804. if test -f configure; then

  3805.     source_path=.

  3806. elif test -f src/configure; then

  3807.     source_path=src

  3808. else

  3809.     source_path=$(cd $(dirname "$0"); pwd)

  3810.     case "$source_path" in

  3811.         *[[:blank:]]*) die "Out of tree builds are impossible with whitespace in source path." ;;

  3812.     esac

  3813.     test -e "$source_path/config.h" &&

  3814.         die "Out of tree builds are impossible with config.h in source dir."

  3815. fi

  3816. 

  3817. for v in "$@"; do

  3818.     r=${v#*=}

  3819.     l=${v%"$r"}

  3820.     r=$(sh_quote "$r")

  3821.     FFMPEG_CONFIGURATION="${FFMPEG_CONFIGURATION# } ${l}${r}"

  3822. done

  3823. 

  3824. find_things_extern(){

  3825.     thing=$1

  3826.     pattern=$2

  3827.     file=$source_path/$3

  3828.     out=${4:-$thing}

  3829.     sed -n "s/^[^#]*extern.*$pattern *ff_\([^ ]*\)_$thing;/\1_$out/p" "$file"

  3830. }

  3831. 

  3832. find_filters_extern(){

  3833.     file=$source_path/$1

  3834.     sed -n 's/^extern AVFilter ff_[avfsinkrc]\{2,5\}_\([[:alnum:]_]\{1,\}\);/\1_filter/p' $file

  3835. }

  3836. 

  3837. FILTER_LIST=$(find_filters_extern libavfilter/allfilters.c)

  3838. OUTDEV_LIST=$(find_things_extern muxer AVOutputFormat libavdevice/alldevices.c outdev)

  3839. INDEV_LIST=$(find_things_extern demuxer AVInputFormat libavdevice/alldevices.c indev)

  3840. MUXER_LIST=$(find_things_extern muxer AVOutputFormat libavformat/allformats.c)

  3841. DEMUXER_LIST=$(find_things_extern demuxer AVInputFormat libavformat/allformats.c)

  3842. ENCODER_LIST=$(find_things_extern encoder AVCodec libavcodec/allcodecs.c)

  3843. DECODER_LIST=$(find_things_extern decoder AVCodec libavcodec/allcodecs.c)

  3844. CODEC_LIST="

  3845.     $ENCODER_LIST

  3846.     $DECODER_LIST

  3847. "

  3848. PARSER_LIST=$(find_things_extern parser AVCodecParser libavcodec/parsers.c)

  3849. BSF_LIST=$(find_things_extern bsf AVBitStreamFilter libavcodec/bitstream_filters.c)

  3850. HWACCEL_LIST=$(find_things_extern hwaccel AVHWAccel libavcodec/hwaccels.h)

  3851. PROTOCOL_LIST=$(find_things_extern protocol URLProtocol libavformat/protocols.c)

  3852. 

  3853. AVCODEC_COMPONENTS_LIST="

  3854.     $BSF_LIST

  3855.     $DECODER_LIST

  3856.     $ENCODER_LIST

  3857.     $HWACCEL_LIST

  3858.     $PARSER_LIST

  3859. "

  3860. 

  3861. AVDEVICE_COMPONENTS_LIST="

  3862.     $INDEV_LIST

  3863.     $OUTDEV_LIST

  3864. "

  3865. 

  3866. AVFILTER_COMPONENTS_LIST="

  3867.     $FILTER_LIST

  3868. "

  3869. 

  3870. AVFORMAT_COMPONENTS_LIST="

  3871.     $DEMUXER_LIST

  3872.     $MUXER_LIST

  3873.     $PROTOCOL_LIST

  3874. "

  3875. 

  3876. ALL_COMPONENTS="

  3877.     $AVCODEC_COMPONENTS_LIST

  3878.     $AVDEVICE_COMPONENTS_LIST

  3879.     $AVFILTER_COMPONENTS_LIST

  3880.     $AVFORMAT_COMPONENTS_LIST

  3881. "

  3882. 

  3883. for n in $COMPONENT_LIST; do

  3884.     v=$(toupper ${n%s})_LIST

  3885.     eval enable \$$v

  3886.     eval ${n}_if_any="\$$v"

  3887. done

  3888. 

  3889. enable $ARCH_EXT_LIST

  3890. 

  3891. die_unknown(){

  3892.     echo "Unknown option \"$1\"."

  3893.     echo "See $0 --help for available options."

  3894.     exit 1

  3895. }

  3896. 

  3897. print_in_columns() {

  3898.     tr ' ' '\n' | sort | tr '\r\n' '  ' | awk -v col_width=24 -v width="$ncols" '

  3899.     {

  3900.         num_cols = width > col_width ? int(width / col_width) : 1;

  3901.         num_rows = int((NF + num_cols-1) / num_cols);

  3902.         y = x = 1;

  3903.         for (y = 1; y <= num_rows; y++) {

  3904.             i = y;

  3905.             for (x = 1; x <= num_cols; x++) {

  3906.                 if (i <= NF) {

  3907.                   line = sprintf("%s%-" col_width "s", line, $i);

  3908.                 }

  3909.                 i = i + num_rows;

  3910.             }

  3911.             print line; line = "";

  3912.         }

  3913.     }' | sed 's/ *$//'

  3914. }

  3915. 

  3916. show_list() {

  3917.     suffix=_$1

  3918.     shift

  3919.     echo $* | sed s/$suffix//g | print_in_columns

  3920.     exit 0

  3921. }

  3922. 

  3923. rand_list(){

  3924.     IFS=', '

  3925.     set -- $*

  3926.     unset IFS

  3927.     for thing; do

  3928.         comp=${thing%:*}

  3929.         prob=${thing#$comp}

  3930.         prob=${prob#:}

  3931.         is_in ${comp} $COMPONENT_LIST && eval comp=\$$(toupper ${comp%s})_LIST

  3932.         echo "prob ${prob:-0.5}"

  3933.         printf '%s\n' $comp

  3934.     done

  3935. }

  3936. 

  3937. do_random(){

  3938.     action=$1

  3939.     shift

  3940.     random_seed=$(awk "BEGIN { srand($random_seed); print srand() }")

  3941.     $action $(rand_list "$@" | awk "BEGIN { srand($random_seed) } \$1 == \"prob\" { prob = \$2; next } rand() < prob { print }")

  3942. }

  3943. 

  3944. for opt do

  3945.     optval="${opt#*=}"

  3946.     case "$opt" in

  3947.         --extra-ldflags=*)

  3948.             add_ldflags $optval

  3949.         ;;

  3950.         --extra-ldexeflags=*)

  3951.             add_ldexeflags $optval

  3952.         ;;

  3953.         --extra-ldsoflags=*)

  3954.             add_ldsoflags $optval

  3955.         ;;

  3956.         --extra-ldlibflags=*)

  3957.             warn "The --extra-ldlibflags option is only provided for compatibility and will be\n"\

  3958.                  "removed in the future. Use --extra-ldsoflags instead."

  3959.             add_ldsoflags $optval

  3960.         ;;

  3961.         --extra-libs=*)

  3962.             add_extralibs $optval

  3963.         ;;

  3964.         --disable-devices)

  3965.             disable $INDEV_LIST $OUTDEV_LIST

  3966.         ;;

  3967.         --enable-debug=*)

  3968.             debuglevel="$optval"

  3969.         ;;

  3970.         --disable-programs)

  3971.             disable $PROGRAM_LIST

  3972.         ;;

  3973.         --disable-everything)

  3974.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3975.         ;;

  3976.         --disable-all)

  3977.             map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST

  3978.             disable $LIBRARY_LIST $PROGRAM_LIST doc

  3979.             enable avutil

  3980.         ;;

  3981.         --enable-random|--disable-random)

  3982.             action=${opt%%-random}

  3983.             do_random ${action#--} $COMPONENT_LIST

  3984.         ;;

  3985.         --enable-random=*|--disable-random=*)

  3986.             action=${opt%%-random=*}

  3987.             do_random ${action#--} $optval

  3988.         ;;

  3989.         --enable-sdl)

  3990.             enable sdl2

  3991.         ;;

  3992.         --enable-*=*|--disable-*=*)

  3993.             eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')

  3994.             is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"

  3995.             eval list=\$$(toupper $thing)_LIST

  3996.             name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}

  3997.             list=$(filter "$name" $list)

  3998.             [ "$list" = "" ] && warn "Option $opt did not match anything"

  3999.             test $action = enable && warn_if_gets_disabled $list

  4000.             $action $list

  4001.         ;;

  4002.         --enable-yasm|--disable-yasm)

  4003.             warn "The ${opt} option is only provided for compatibility and will be\n"\

  4004.                  "removed in the future. Use --enable-x86asm / --disable-x86asm instead."

  4005.             test $opt = --enable-yasm && x86asm=yes || x86asm=no

  4006.         ;;

  4007.         --yasmexe=*)

  4008.             warn "The --yasmexe option is only provided for compatibility and will be\n"\

  4009.                  "removed in the future. Use --x86asmexe instead."

  4010.             x86asmexe="$optval"

  4011.         ;;

  4012.         --enable-?*|--disable-?*)

  4013.             eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')

  4014.             if is_in $option $COMPONENT_LIST; then

  4015.                 test $action = disable && action=unset

  4016.                 eval $action \$$(toupper ${option%s})_LIST

  4017.             elif is_in $option $CMDLINE_SELECT; then

  4018.                 $action $option

  4019.             else

  4020.                 die_unknown $opt

  4021.             fi

  4022.         ;;

  4023.         --list-*)

  4024.             NAME="${opt#--list-}"

  4025.             is_in $NAME $COMPONENT_LIST || die_unknown $opt

  4026.             NAME=${NAME%s}

  4027.             eval show_list $NAME \$$(toupper $NAME)_LIST

  4028.         ;;

  4029.         --help|-h) show_help

  4030.         ;;

  4031.         --quiet|-q) quiet=yes

  4032.         ;;

  4033.         --fatal-warnings) enable fatal_warnings

  4034.         ;;

  4035.         --libfuzzer=*)

  4036.             libfuzzer_path="$optval"

  4037.         ;;

  4038.         *)

  4039.             optname="${opt%%=*}"

  4040.             optname="${optname#--}"

  4041.             optname=$(echo "$optname" | sed 's/-/_/g')

  4042.             if is_in $optname $CMDLINE_SET; then

  4043.                 eval $optname='$optval'

  4044.             elif is_in $optname $CMDLINE_APPEND; then

  4045.                 append $optname "$optval"

  4046.             else

  4047.                 die_unknown $opt

  4048.             fi

  4049.         ;;

  4050.     esac

  4051. done

  4052. 

  4053. for e in $env; do

  4054.     eval "export $e"

  4055. done

  4056. 

  4057. if disabled autodetect; then

  4058. 

  4059.     # Unless iconv is explicitely disabled by the user, we still want to probe

  4060.     # for the iconv from the libc.

  4061.     disabled iconv || enable libc_iconv

  4062. 

  4063.     disable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  4064.     disable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  4065. fi

  4066. # Mark specifically enabled, but normally autodetected libraries as requested.

  4067. for lib in $AUTODETECT_LIBS; do

  4068.     enabled $lib && request $lib

  4069. done

  4070. #TODO: switch to $AUTODETECT_LIBS when $THREADS_LIST is supported the same way

  4071. enable_weak $EXTERNAL_AUTODETECT_LIBRARY_LIST

  4072. enable_weak $HWACCEL_AUTODETECT_LIBRARY_LIST

  4073. 

  4074. disabled logging && logfile=/dev/null

  4075. 

  4076. # command line configuration sanity checks

  4077. 

  4078. # we need to build at least one lib type

  4079. if ! enabled_any static shared; then

  4080.     cat <<EOF

  4081. At least one library type must be built.

  4082. Specify --enable-static to build the static libraries or --enable-shared to

  4083. build the shared libraries as well. To only build the shared libraries specify

  4084. --disable-static in addition to --enable-shared.

  4085. EOF

  4086.     exit 1

  4087. fi

  4088. 

  4089. die_license_disabled() {

  4090.     enabled $1 || { enabled $v && die "$v is $1 and --enable-$1 is not specified."; }

  4091. }

  4092. 

  4093. die_license_disabled_gpl() {

  4094.     enabled $1 || { enabled $v && die "$v is incompatible with the gpl and --enable-$1 is not specified."; }

  4095. }

  4096. 

  4097. map "die_license_disabled gpl"      $EXTERNAL_LIBRARY_GPL_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  4098. map "die_license_disabled version3" $EXTERNAL_LIBRARY_VERSION3_LIST $EXTERNAL_LIBRARY_GPLV3_LIST

  4099. 

  4100. enabled gpl && map "die_license_disabled_gpl nonfree" $EXTERNAL_LIBRARY_NONFREE_LIST

  4101. map "die_license_disabled nonfree" $HWACCEL_LIBRARY_NONFREE_LIST

  4102. 

  4103. enabled version3 && { enabled gpl && enable gplv3 || enable lgplv3; }

  4104. 

  4105. if enabled nonfree; then

  4106.     license="nonfree and unredistributable"

  4107. elif enabled gplv3; then

  4108.     license="GPL version 3 or later"

  4109. elif enabled lgplv3; then

  4110.     license="LGPL version 3 or later"

  4111. elif enabled gpl; then

  4112.     license="GPL version 2 or later"

  4113. else

  4114.     license="LGPL version 2.1 or later"

  4115. fi

  4116. 

  4117. enabled_all gnutls openssl &&

  4118.     die "GnuTLS and OpenSSL must not be enabled at the same time."

  4119. 

  4120. enabled_all gnutls mbedtls &&

  4121.     die "GnuTLS and mbedTLS must not be enabled at the same time."

  4122. 

  4123. enabled_all openssl mbedtls &&

  4124.     die "OpenSSL and mbedTLS must not be enabled at the same time."

  4125. 

  4126. # Disable all the library-specific components if the library itself

  4127. # is disabled, see AVCODEC_LIST and following _LIST variables.

  4128. 

  4129. disable_components(){

  4130.     disabled ${1} && disable $(

  4131.         eval components="\$$(toupper ${1})_COMPONENTS"

  4132.         map 'eval echo \${$(toupper ${v%s})_LIST}' $components

  4133.     )

  4134. }

  4135. 

  4136. map 'disable_components $v' $LIBRARY_LIST

  4137. 

  4138. echo "# $0 $FFMPEG_CONFIGURATION" > $logfile

  4139. set >> $logfile

  4140. 

  4141. test -n "$valgrind" && toolchain="valgrind-memcheck"

  4142. 

  4143. enabled ossfuzz && ! echo $CFLAGS | grep -q -- "-fsanitize="  && ! echo $CFLAGS | grep -q -- "-fcoverage-mapping" &&{

  4144.     add_cflags  -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp -fno-omit-frame-pointer

  4145.     add_ldflags -fsanitize=address,undefined -fsanitize-coverage=trace-pc-guard,trace-cmp

  4146. }

  4147. 

  4148. case "$toolchain" in

  4149.     *-asan)

  4150.         cc_default="${toolchain%-asan}"

  4151.         add_cflags  -fsanitize=address

  4152.         add_ldflags -fsanitize=address

  4153.     ;;

  4154.     *-msan)

  4155.         cc_default="${toolchain%-msan}"

  4156.         add_cflags  -fsanitize=memory -fsanitize-memory-track-origins

  4157.         add_ldflags -fsanitize=memory

  4158.     ;;

  4159.     *-tsan)

  4160.         cc_default="${toolchain%-tsan}"

  4161.         add_cflags  -fsanitize=thread

  4162.         add_ldflags -fsanitize=thread

  4163.         case "$toolchain" in

  4164.             gcc-tsan)

  4165.                 add_cflags  -fPIC

  4166.                 add_ldflags -fPIC

  4167.                 ;;

  4168.         esac

  4169.     ;;

  4170.     *-usan)

  4171.         cc_default="${toolchain%-usan}"

  4172.         add_cflags  -fsanitize=undefined

  4173.         add_ldflags -fsanitize=undefined

  4174.     ;;

  4175.     valgrind-*)

  4176.         target_exec_default="valgrind"

  4177.         case "$toolchain" in

  4178.             valgrind-massif)

  4179.                 target_exec_args="--tool=massif --alloc-fn=av_malloc --alloc-fn=av_mallocz --alloc-fn=av_calloc --alloc-fn=av_fast_padded_malloc --alloc-fn=av_fast_malloc --alloc-fn=av_realloc_f --alloc-fn=av_fast_realloc --alloc-fn=av_realloc"

  4180.                 ;;

  4181.             valgrind-memcheck)

  4182.                 target_exec_args="--error-exitcode=1 --malloc-fill=0x2a --track-origins=yes --leak-check=full --gen-suppressions=all --suppressions=$source_path/tests/fate-valgrind.supp"

  4183.                 ;;

  4184.         esac

  4185.     ;;

  4186.     msvc)

  4187.         # Check whether the current MSVC version needs the C99 converter.

  4188.         # From MSVC 2013 (compiler major version 18) onwards, it does actually

  4189.         # support enough of C99 to build ffmpeg. Default to the new

  4190.         # behaviour if the regexp was unable to match anything, since this

  4191.         # successfully parses the version number of existing supported

  4192.         # versions that require the converter (MSVC 2010 and 2012).

  4193.         cl_major_ver=$(cl.exe 2>&1 | sed -n 's/.*Version \([[:digit:]]\{1,\}\)\..*/\1/p')

  4194.         if [ -z "$cl_major_ver" ] || [ $cl_major_ver -ge 18 ]; then

  4195.             cc_default="cl.exe"

  4196.             cxx_default="cl.exe"

  4197.         else

  4198.             die "Unsupported MSVC version (2013 or newer required)"

  4199.         fi

  4200.         ld_default="$source_path/compat/windows/mslink"

  4201.         nm_default="dumpbin.exe -symbols"

  4202.         ar_default="lib.exe"

  4203.         case "$arch" in

  4204.         aarch64|arm64)

  4205.             as_default="armasm64.exe"

  4206.             ;;

  4207.         arm*)

  4208.             as_default="armasm.exe"

  4209.             ;;

  4210.         esac

  4211.         target_os_default="win32"

  4212.         # Use a relative path for TMPDIR. This makes sure all the

  4213.         # ffconf temp files are written with a relative path, avoiding

  4214.         # issues with msys/win32 path conversion for MSVC parameters

  4215.         # such as -Fo<file> or -out:<file>.

  4216.         TMPDIR=.

  4217.     ;;

  4218.     icl)

  4219.         cc_default="icl"

  4220.         ld_default="xilink"

  4221.         nm_default="dumpbin -symbols"

  4222.         ar_default="xilib"

  4223.         target_os_default="win32"

  4224.         TMPDIR=.

  4225.     ;;

  4226.     gcov)

  4227.         add_cflags  -fprofile-arcs -ftest-coverage

  4228.         add_ldflags -fprofile-arcs -ftest-coverage

  4229.     ;;

  4230.     llvm-cov)

  4231.         add_cflags -fprofile-arcs -ftest-coverage

  4232.         add_ldflags --coverage

  4233.     ;;

  4234.     hardened)

  4235.         add_cppflags -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2

  4236.         add_cflags   -fno-strict-overflow -fstack-protector-all

  4237.         add_ldflags  -Wl,-z,relro -Wl,-z,now

  4238.         add_cflags   -fPIE

  4239.         add_ldexeflags -fPIE -pie

  4240.     ;;

  4241.     ?*)

  4242.         die "Unknown toolchain $toolchain"

  4243.     ;;

  4244. esac

  4245. 

  4246. if test -n "$cross_prefix"; then

  4247.     test -n "$arch" && test -n "$target_os" ||

  4248.         die "Must specify target arch (--arch) and OS (--target-os) when cross-compiling"

  4249.     enable cross_compile

  4250. fi

  4251. 

  4252. set_default target_os

  4253. if test "$target_os" = android; then

  4254.     cc_default="clang"

  4255. fi

  4256. 

  4257. ar_default="${cross_prefix}${ar_default}"

  4258. cc_default="${cross_prefix}${cc_default}"

  4259. cxx_default="${cross_prefix}${cxx_default}"

  4260. nm_default="${cross_prefix}${nm_default}"

  4261. pkg_config_default="${cross_prefix}${pkg_config_default}"

  4262. if ${cross_prefix}${ranlib_default} 2>&1 | grep -q "\-D "; then

  4263.     ranlib_default="${cross_prefix}${ranlib_default} -D"

  4264. else

  4265.     ranlib_default="${cross_prefix}${ranlib_default}"

  4266. fi

  4267. strip_default="${cross_prefix}${strip_default}"

  4268. windres_default="${cross_prefix}${windres_default}"

  4269. 

  4270. sysinclude_default="${sysroot}/usr/include"

  4271. 

  4272. if enabled cuda_sdk; then

  4273.     warn "Option --enable-cuda-sdk is deprecated. Use --enable-cuda-nvcc instead."

  4274.     enable cuda_nvcc

  4275. fi

  4276. 

  4277. if enabled cuda_nvcc; then

  4278.     nvcc_default="nvcc"

  4279.     nvccflags_default="-gencode arch=compute_30,code=sm_30 -O2"

  4280. else

  4281.     nvcc_default="clang"

  4282.     nvccflags_default="--cuda-gpu-arch=sm_30 -O2"

  4283.     NVCC_C=""

  4284. fi

  4285. 

  4286. set_default arch cc cxx doxygen pkg_config ranlib strip sysinclude \

  4287.     target_exec x86asmexe nvcc

  4288. enabled cross_compile || host_cc_default=$cc

  4289. set_default host_cc

  4290. 

  4291. pkg_config_fail_message=""

  4292. if ! $pkg_config --version >/dev/null 2>&1; then

  4293.     warn "$pkg_config not found, library detection may fail."

  4294.     pkg_config=false

  4295. elif is_in -static $cc $LDFLAGS && ! is_in --static $pkg_config $pkg_config_flags; then

  4296.     pkg_config_fail_message="

  4297. Note: When building a static binary, add --pkg-config-flags=\"--static\"."

  4298. fi

  4299. 

  4300. if test $doxygen != $doxygen_default && \

  4301.   ! $doxygen --version >/dev/null 2>&1; then

  4302.     warn "Specified doxygen \"$doxygen\" not found, API documentation will fail to build."

  4303. fi

  4304. 

  4305. exesuf() {

  4306.     case $1 in

  4307.         mingw32*|mingw64*|win32|win64|cygwin*|*-dos|freedos|opendos|os/2*|symbian) echo .exe ;;

  4308.     esac

  4309. }

  4310. 

  4311. EXESUF=$(exesuf $target_os)

  4312. HOSTEXESUF=$(exesuf $host_os)

  4313. 

  4314. # set temporary file name

  4315. : ${TMPDIR:=$TEMPDIR}

  4316. : ${TMPDIR:=$TMP}

  4317. : ${TMPDIR:=/tmp}

  4318. 

  4319. if [ -n "$tempprefix" ] ; then

  4320.     mktemp(){

  4321.         tmpname="$tempprefix.${HOSTNAME}.${UID}"

  4322.         echo "$tmpname"

  4323.         mkdir "$tmpname"

  4324.     }

  4325. elif ! test_cmd mktemp -u XXXXXX; then

  4326.     # simple replacement for missing mktemp

  4327.     # NOT SAFE FOR GENERAL USE

  4328.     mktemp(){

  4329.         tmpname="${2%%XXX*}.${HOSTNAME}.${UID}.$$"

  4330.         echo "$tmpname"

  4331.         mkdir "$tmpname"

  4332.     }

  4333. fi

  4334. 

  4335. FFTMPDIR=$(mktemp -d "${TMPDIR}/ffconf.XXXXXXXX" 2> /dev/null) ||

  4336.     die "Unable to create temporary directory in $TMPDIR."

  4337. 

  4338. tmpfile(){

  4339.     tmp="${FFTMPDIR}/test"$2

  4340.     (set -C; exec > $tmp) 2> /dev/null ||

  4341.         die "Unable to create temporary file in $FFTMPDIR."

  4342.     eval $1=$tmp

  4343. }

  4344. 

  4345. trap 'rm -rf -- "$FFTMPDIR"' EXIT

  4346. trap 'exit 2' INT

  4347. 

  4348. tmpfile TMPASM .asm

  4349. tmpfile TMPC   .c

  4350. tmpfile TMPCPP .cpp

  4351. tmpfile TMPE   $EXESUF

  4352. tmpfile TMPH   .h

  4353. tmpfile TMPM   .m

  4354. tmpfile TMPCU  .cu

  4355. tmpfile TMPO   .o

  4356. tmpfile TMPS   .S

  4357. tmpfile TMPSH  .sh

  4358. tmpfile TMPV   .ver

  4359. 

  4360. unset -f mktemp

  4361. 

  4362. chmod +x $TMPE

  4363. 

  4364. # make sure we can execute files in $TMPDIR

  4365. cat > $TMPSH 2>> $logfile <<EOF

  4366. #! /bin/sh

  4367. EOF

  4368. chmod +x $TMPSH >> $logfile 2>&1

  4369. if ! $TMPSH >> $logfile 2>&1; then

  4370.     cat <<EOF

  4371. Unable to create and execute files in $TMPDIR.  Set the TMPDIR environment

  4372. variable to another directory and make sure that it is not mounted noexec.

  4373. EOF

  4374.     die "Sanity test failed."

  4375. fi

  4376. 

  4377. armasm_flags(){

  4378.     for flag; do

  4379.         case $flag in

  4380.             # Filter out MSVC cl.exe options from cflags that shouldn't

  4381.             # be passed to gas-preprocessor

  4382.             -M[TD]*)                                            ;;

  4383.             *)                  echo $flag                      ;;

  4384.         esac

  4385.    done

  4386. }

  4387. 

  4388. cparser_flags(){

  4389.     for flag; do

  4390.         case $flag in

  4391.             -Wno-switch)             echo -Wno-switch-enum ;;

  4392.             -Wno-format-zero-length) ;;

  4393.             -Wdisabled-optimization) ;;

  4394.             -Wno-pointer-sign)       echo -Wno-other ;;

  4395.             *)                       echo $flag ;;

  4396.         esac

  4397.     done

  4398. }

  4399. 

  4400. msvc_common_flags(){

  4401.     for flag; do

  4402.         case $flag in

  4403.             # In addition to specifying certain flags under the compiler

  4404.             # specific filters, they must be specified here as well or else the

  4405.             # generic catch all at the bottom will print the original flag.

  4406.             -Wall)                ;;

  4407.             -Wextra)              ;;

  4408.             -std=c99)             ;;

  4409.             # Common flags

  4410.             -fomit-frame-pointer) ;;

  4411.             -g)                   echo -Z7 ;;

  4412.             -fno-math-errno)      ;;

  4413.             -fno-common)          ;;

  4414.             -fno-signed-zeros)    ;;

  4415.             -fPIC)                ;;

  4416.             -mthumb)              ;;

  4417.             -march=*)             ;;

  4418.             -lz)                  echo zlib.lib ;;

  4419.             -lx264)               echo libx264.lib ;;

  4420.             -lstdc++)             ;;

  4421.             -l*)                  echo ${flag#-l}.lib ;;

  4422.             -LARGEADDRESSAWARE)   echo $flag ;;

  4423.             -L*)                  echo -libpath:${flag#-L} ;;

  4424.             *)                    echo $flag ;;

  4425.         esac

  4426.     done

  4427. }

  4428. 

  4429. msvc_flags(){

  4430.     msvc_common_flags "$@"

  4431.     for flag; do

  4432.         case $flag in

  4433.             -Wall)                echo -W3 -wd4018 -wd4146 -wd4244 -wd4305     \

  4434.                                        -wd4554 ;;

  4435.             -Wextra)              echo -W4 -wd4244 -wd4127 -wd4018 -wd4389     \

  4436.                                        -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \

  4437.                                        -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \

  4438.                                        -wd4307 \

  4439.                                        -wd4273 -wd4554 -wd4701 -wd4703 ;;

  4440.         esac

  4441.     done

  4442. }

  4443. 

  4444. icl_flags(){

  4445.     msvc_common_flags "$@"

  4446.     for flag; do

  4447.         case $flag in

  4448.             # Despite what Intel's documentation says -Wall, which is supported

  4449.             # on Windows, does enable remarks so disable them here.

  4450.             -Wall)                echo $flag -Qdiag-disable:remark ;;

  4451.             -std=c99)             echo -Qstd=c99 ;;

  4452.             -flto)                echo -ipo ;;

  4453.         esac

  4454.     done

  4455. }

  4456. 

  4457. icc_flags(){

  4458.     for flag; do

  4459.         case $flag in

  4460.             -flto)                echo -ipo ;;

  4461.             *)                    echo $flag ;;

  4462.         esac

  4463.     done

  4464. }

  4465. 

  4466. suncc_flags(){

  4467.     for flag; do

  4468.         case $flag in

  4469.             -march=*|-mcpu=*)

  4470.                 case "${flag#*=}" in

  4471.                     native)                   echo -xtarget=native       ;;

  4472.                     v9|niagara)               echo -xarch=sparc          ;;

  4473.                     ultrasparc)               echo -xarch=sparcvis       ;;

  4474.                     ultrasparc3|niagara2)     echo -xarch=sparcvis2      ;;

  4475.                     i586|pentium)             echo -xchip=pentium        ;;

  4476.                     i686|pentiumpro|pentium2) echo -xtarget=pentium_pro  ;;

  4477.                     pentium3*|c3-2)           echo -xtarget=pentium3     ;;

  4478.                     pentium-m)          echo -xarch=sse2 -xchip=pentium3 ;;

  4479.                     pentium4*)          echo -xtarget=pentium4           ;;

  4480.                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;

  4481.                     *-sse3)             echo -xarch=sse3                 ;;

  4482.                     core2)              echo -xarch=ssse3 -xchip=core2   ;;

  4483.                     bonnell)                   echo -xarch=ssse3         ;;

  4484.                     corei7|nehalem)            echo -xtarget=nehalem     ;;

  4485.                     westmere)                  echo -xtarget=westmere    ;;

  4486.                     silvermont)                echo -xarch=sse4_2        ;;

  4487.                     corei7-avx|sandybridge)    echo -xtarget=sandybridge ;;

  4488.                     core-avx*|ivybridge|haswell|broadwell|skylake*|knl)

  4489.                                                echo -xarch=avx           ;;

  4490.                     amdfam10|barcelona)        echo -xtarget=barcelona   ;;

  4491.                     btver1)                    echo -xarch=amdsse4a      ;;

  4492.                     btver2|bdver*|znver*)      echo -xarch=avx           ;;

  4493.                     athlon-4|athlon-[mx]p)     echo -xarch=ssea          ;;

  4494.                     k8|opteron|athlon64|athlon-fx)

  4495.                                                echo -xarch=sse2a         ;;

  4496.                     athlon*)                   echo -xarch=pentium_proa  ;;

  4497.                 esac

  4498.                 ;;

  4499.             -std=c99)             echo -xc99              ;;

  4500.             -fomit-frame-pointer) echo -xregs=frameptr    ;;

  4501.             -fPIC)                echo -KPIC -xcode=pic32 ;;

  4502.             -W*,*)                echo $flag              ;;

  4503.             -f*-*|-W*|-mimpure-text)                      ;;

  4504.             -shared)              echo -G                 ;;

  4505.             *)                    echo $flag              ;;

  4506.         esac

  4507.     done

  4508. }

  4509. 

  4510. probe_cc(){

  4511.     pfx=$1

  4512.     _cc=$2

  4513.     first=$3

  4514. 

  4515.     unset _type _ident _cc_c _cc_e _cc_o _flags _cflags

  4516.     unset _ld_o _ldflags _ld_lib _ld_path

  4517.     unset _depflags _DEPCMD _DEPFLAGS

  4518.     _flags_filter=echo

  4519. 

  4520.     if $_cc --version 2>&1 | grep -q '^GNU assembler'; then

  4521.         true # no-op to avoid reading stdin in following checks

  4522.     elif $_cc -v 2>&1 | grep -q '^gcc.*LLVM'; then

  4523.         _type=llvm_gcc

  4524.         gcc_extra_ver=$(expr "$($_cc --version 2>/dev/null | head -n1)" : '.*\((.*)\)')

  4525.         _ident="llvm-gcc $($_cc -dumpversion 2>/dev/null) $gcc_extra_ver"

  4526.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4527.         _cflags_speed='-O3'

  4528.         _cflags_size='-Os'

  4529.     elif $_cc -v 2>&1 | grep -qi ^gcc; then

  4530.         _type=gcc

  4531.         gcc_version=$($_cc --version | head -n1)

  4532.         gcc_basever=$($_cc -dumpversion)

  4533.         gcc_pkg_ver=$(expr "$gcc_version" : '[^ ]* \(([^)]*)\)')

  4534.         gcc_ext_ver=$(expr "$gcc_version" : ".*$gcc_pkg_ver $gcc_basever \\(.*\\)")

  4535.         _ident=$(cleanws "gcc $gcc_basever $gcc_pkg_ver $gcc_ext_ver")

  4536.         case $gcc_basever in

  4537.             2) ;;

  4538.             2.*) ;;

  4539.             *) _depflags='-MMD -MF $(@:.o=.d) -MT $@' ;;

  4540.         esac

  4541.         if [ "$first" = true ]; then

  4542.             case $gcc_basever in

  4543.                 4.2*)

  4544.                 warn "gcc 4.2 is outdated and may miscompile FFmpeg. Please use a newer compiler." ;;

  4545.             esac

  4546.         fi

  4547.         _cflags_speed='-O3'

  4548.         _cflags_size='-Os'

  4549.     elif $_cc --version 2>/dev/null | grep -q ^icc; then

  4550.         _type=icc

  4551.         _ident=$($_cc --version | head -n1)

  4552.         _depflags='-MMD'

  4553.         _cflags_speed='-O3'

  4554.         _cflags_size='-Os'

  4555.         _cflags_noopt='-O1'

  4556.         _flags_filter=icc_flags

  4557.     elif $_cc -v 2>&1 | grep -q xlc; then

  4558.         _type=xlc

  4559.         _ident=$($_cc -qversion 2>/dev/null | head -n1)

  4560.         _cflags_speed='-O5'

  4561.         _cflags_size='-O5 -qcompact'

  4562.     elif $_cc --vsn 2>/dev/null | grep -Eq "ARM (C/C\+\+ )?Compiler"; then

  4563.         test -d "$sysroot" || die "No valid sysroot specified."

  4564.         _type=armcc

  4565.         _ident=$($_cc --vsn | grep -i build | head -n1 | sed 's/.*: //')

  4566.         armcc_conf="$PWD/armcc.conf"

  4567.         $_cc --arm_linux_configure                 \

  4568.              --arm_linux_config_file="$armcc_conf" \

  4569.              --configure_sysroot="$sysroot"        \

  4570.              --configure_cpp_headers="$sysinclude" >>$logfile 2>&1 ||

  4571.              die "Error creating armcc configuration file."

  4572.         $_cc --vsn | grep -q RVCT && armcc_opt=rvct || armcc_opt=armcc

  4573.         _flags="--arm_linux_config_file=$armcc_conf --translate_gcc"

  4574.         as_default="${cross_prefix}gcc"

  4575.         _depflags='-MMD'

  4576.         _cflags_speed='-O3'

  4577.         _cflags_size='-Os'

  4578.     elif $_cc -v 2>&1 | grep -q clang && ! $_cc -? > /dev/null 2>&1; then

  4579.         _type=clang

  4580.         _ident=$($_cc --version 2>/dev/null | head -n1)

  4581.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4582.         _cflags_speed='-O3'

  4583.         _cflags_size='-Oz'

  4584.     elif $_cc -V 2>&1 | grep -q Sun; then

  4585.         _type=suncc

  4586.         _ident=$($_cc -V 2>&1 | head -n1 | cut -d' ' -f 2-)

  4587.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< | sed -e "1s,^.*: ,$@: ," -e "\$$!s,\$$, \\\," -e "1!s,^.*: , ," > $(@:.o=.d)'

  4588.         _DEPFLAGS='-xM1 -xc99'

  4589.         _ldflags='-std=c99'

  4590.         _cflags_speed='-O5'

  4591.         _cflags_size='-O5 -xspace'

  4592.         _flags_filter=suncc_flags

  4593.     elif $_cc -v 2>&1 | grep -q 'PathScale\|Path64'; then

  4594.         _type=pathscale

  4595.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4596.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4597.         _cflags_speed='-O2'

  4598.         _cflags_size='-Os'

  4599.         _flags_filter='filter_out -Wdisabled-optimization'

  4600.     elif $_cc -v 2>&1 | grep -q Open64; then

  4601.         _type=open64

  4602.         _ident=$($_cc -v 2>&1 | head -n1 | tr -d :)

  4603.         _depflags='-MMD -MF $(@:.o=.d) -MT $@'

  4604.         _cflags_speed='-O2'

  4605.         _cflags_size='-Os'

  4606.         _flags_filter='filter_out -Wdisabled-optimization|-Wtype-limits|-fno-signed-zeros'

  4607.     elif $_cc 2>&1 | grep -q 'Microsoft.*ARM.*Assembler'; then

  4608.         _type=armasm

  4609.         _ident=$($_cc | head -n1)

  4610.         # 4509: "This form of conditional instruction is deprecated"

  4611.         _flags="-nologo -ignore 4509"

  4612.         _flags_filter=armasm_flags

  4613.     elif $_cc 2>&1 | grep -q Intel; then

  4614.         _type=icl

  4615.         _ident=$($_cc 2>&1 | head -n1)

  4616.         _depflags='-QMMD -QMF$(@:.o=.d) -QMT$@'

  4617.         # Not only is O3 broken on 13.x+ but it is slower on all previous

  4618.         # versions (tested) as well.

  4619.         _cflags_speed="-O2"

  4620.         _cflags_size="-O1 -Oi" # -O1 without -Oi miscompiles stuff

  4621.         if $_cc 2>&1 | grep -q Linker; then

  4622.             _ld_o='-out:$@'

  4623.         else

  4624.             _ld_o='-Fe$@'

  4625.         fi

  4626.         _cc_o='-Fo$@'

  4627.         _cc_e='-P'

  4628.         _flags_filter=icl_flags

  4629.         _ld_lib='lib%.a'

  4630.         _ld_path='-libpath:'

  4631.         # -Qdiag-error to make icl error when seeing certain unknown arguments

  4632.         _flags='-nologo -Qdiag-error:4044,10157'

  4633.         # -Qvec- -Qsimd- to prevent miscompilation, -GS, fp:precise for consistency

  4634.         # with MSVC which enables it by default.

  4635.         _cflags='-Qms0 -Qvec- -Qsimd- -GS -fp:precise'

  4636.         disable stripping

  4637.     elif $_cc -? 2>/dev/null | grep -q 'LLVM.*Linker'; then

  4638.         # lld can emulate multiple different linkers; in ms link.exe mode,

  4639.         # the -? parameter gives the help output which contains an identifyable

  4640.         # string, while it gives an error in other modes.

  4641.         _type=lld-link

  4642.         # The link.exe mode doesn't have a switch for getting the version,

  4643.         # but we can force it back to gnu mode and get the version from there.

  4644.         _ident=$($_cc -flavor gnu --version 2>/dev/null)

  4645.         _ld_o='-out:$@'

  4646.         _flags_filter=msvc_flags

  4647.         _ld_lib='lib%.a'

  4648.         _ld_path='-libpath:'

  4649.     elif $_cc -nologo- 2>&1 | grep -q Microsoft || { $_cc -v 2>&1 | grep -q clang && $_cc -? > /dev/null 2>&1; }; then

  4650.         _type=msvc

  4651.         _ident=$($_cc 2>&1 | head -n1 | tr -d '\r')

  4652.         _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'

  4653.         _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'

  4654.         _cflags_speed="-O2"

  4655.         _cflags_size="-O1"

  4656.         _cflags_noopt="-O1"

  4657.         if $_cc -nologo- 2>&1 | grep -q Linker; then

  4658.             _ld_o='-out:$@'

  4659.         else

  4660.             _ld_o='-Fe$@'

  4661.         fi

  4662.         _cc_o='-Fo$@'

  4663.         _cc_e='-P -Fi$@'

  4664.         _flags_filter=msvc_flags

  4665.         _ld_lib='lib%.a'

  4666.         _ld_path='-libpath:'

  4667.         _flags='-nologo'

  4668.         disable stripping

  4669.     elif $_cc --version 2>/dev/null | grep -q ^cparser; then

  4670.         _type=cparser

  4671.         _ident=$($_cc --version | head -n1)

  4672.         _depflags='-MMD'

  4673.         _cflags_speed='-O4'

  4674.         _cflags_size='-O2'

  4675.         _flags_filter=cparser_flags

  4676.     fi

  4677. 

  4678.     eval ${pfx}_type=\$_type

  4679.     eval ${pfx}_ident=\$_ident

  4680. }

  4681. 

  4682. set_ccvars(){

  4683.     eval ${1}_C=\${_cc_c-\${${1}_C}}

  4684.     eval ${1}_E=\${_cc_e-\${${1}_E}}

  4685.     eval ${1}_O=\${_cc_o-\${${1}_O}}

  4686. 

  4687.     if [ -n "$_depflags" ]; then

  4688.         eval ${1}_DEPFLAGS=\$_depflags

  4689.     else

  4690.         eval ${1}DEP=\${_DEPCMD:-\$DEPCMD}

  4691.         eval ${1}DEP_FLAGS=\${_DEPFLAGS:-\$DEPFLAGS}

  4692.         eval DEP${1}FLAGS=\$_flags

  4693.     fi

  4694. }

  4695. 

  4696. probe_cc cc "$cc" "true"

  4697. cflags_filter=$_flags_filter

  4698. cflags_speed=$_cflags_speed

  4699. cflags_size=$_cflags_size

  4700. cflags_noopt=$_cflags_noopt

  4701. add_cflags $_flags $_cflags

  4702. cc_ldflags=$_ldflags

  4703. set_ccvars CC

  4704. set_ccvars CXX

  4705. 

  4706. probe_cc hostcc "$host_cc"

  4707. host_cflags_filter=$_flags_filter

  4708. host_cflags_speed=$_cflags_speed

  4709. add_host_cflags  $_flags $_cflags

  4710. set_ccvars HOSTCC

  4711. 

  4712. test -n "$cc_type" && enable $cc_type ||

  4713.     warn "Unknown C compiler $cc, unable to select optimal CFLAGS"

  4714. 

  4715. : ${as_default:=$cc}

  4716. : ${objcc_default:=$cc}

  4717. : ${dep_cc_default:=$cc}

  4718. : ${ld_default:=$cc}

  4719. : ${host_ld_default:=$host_cc}

  4720. set_default ar as objcc dep_cc ld ln_s host_ld windres

  4721. 

  4722. probe_cc as "$as"

  4723. asflags_filter=$_flags_filter

  4724. add_asflags $_flags $_cflags

  4725. set_ccvars AS

  4726. 

  4727. probe_cc objcc "$objcc"

  4728. objcflags_filter=$_flags_filter

  4729. add_objcflags $_flags $_cflags

  4730. set_ccvars OBJC

  4731. 

  4732. probe_cc ld "$ld"

  4733. ldflags_filter=$_flags_filter

  4734. add_ldflags $_flags $_ldflags

  4735. test "$cc_type" != "$ld_type" && add_ldflags $cc_ldflags

  4736. LD_O=${_ld_o-$LD_O}

  4737. LD_LIB=${_ld_lib-$LD_LIB}

  4738. LD_PATH=${_ld_path-$LD_PATH}

  4739. 

  4740. probe_cc hostld "$host_ld"

  4741. host_ldflags_filter=$_flags_filter

  4742. add_host_ldflags $_flags $_ldflags

  4743. HOSTLD_O=${_ld_o-$HOSTLD_O}

  4744. 

  4745. if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then

  4746.     probe_cc depcc "$dep_cc"

  4747.     CCDEP=${_DEPCMD:-$DEPCMD}

  4748.     CCDEP_FLAGS=${_DEPFLAGS:=$DEPFLAGS}

  4749.     DEPCCFLAGS=$_flags

  4750. fi

  4751. 

  4752. if $ar 2>&1 | grep -q Microsoft; then

  4753.     arflags="-nologo"

  4754.     ar_o='-out:$@'

  4755. elif $ar 2>&1 | grep -q "\[D\] "; then

  4756.     arflags="rcD"

  4757.     ar_o='$@'

  4758. else

  4759.     arflags="rc"

  4760.     ar_o='$@'

  4761. fi

  4762. 

  4763. add_cflags $extra_cflags

  4764. add_cxxflags $extra_cxxflags

  4765. add_objcflags $extra_objcflags

  4766. add_asflags $extra_cflags

  4767. 

  4768. if test -n "$sysroot"; then

  4769.     case "$cc_type" in

  4770.         gcc|llvm_gcc|clang)

  4771.             add_cppflags --sysroot="$sysroot"

  4772.             add_ldflags --sysroot="$sysroot"

  4773.         ;;

  4774.     esac

  4775. fi

  4776. 

  4777. if test "$cpu" = host; then

  4778.     enabled cross_compile &&

  4779.         die "--cpu=host makes no sense when cross-compiling."

  4780. 

  4781.     case "$cc_type" in

  4782.         gcc|llvm_gcc)

  4783.             check_native(){

  4784.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4785.                 sed -n "/cc1.*$1=/{

  4786.                             s/.*$1=\\([^ ]*\\).*/\\1/

  4787.                             p

  4788.                             q

  4789.                         }" $TMPE

  4790.             }

  4791.             cpu=$(check_native -march || check_native -mcpu)

  4792.         ;;

  4793.         clang)

  4794.             check_native(){

  4795.                 $cc $1=native -v -c -o $TMPO $TMPC >$TMPE 2>&1 || return

  4796.                 sed -n "/cc1.*-target-cpu /{

  4797.                             s/.*-target-cpu \\([^ ]*\\).*/\\1/

  4798.                             p

  4799.                             q

  4800.                         }" $TMPE

  4801.             }

  4802.             cpu=$(check_native -march)

  4803.         ;;

  4804.     esac

  4805. 

  4806.     test "${cpu:-host}" = host &&

  4807.         die "--cpu=host not supported with compiler $cc"

  4808. fi

  4809. 

  4810. # Deal with common $arch aliases

  4811. case "$arch" in

  4812.     aarch64|arm64)

  4813.         arch="aarch64"

  4814.     ;;

  4815.     arm*|iPad*|iPhone*)

  4816.         arch="arm"

  4817.     ;;

  4818.     mips*|IP*)

  4819.         case "$arch" in

  4820.         *el)

  4821.             add_cppflags -EL

  4822.             add_ldflags -EL

  4823.         ;;

  4824.         *eb)

  4825.             add_cppflags -EB

  4826.             add_ldflags -EB

  4827.         ;;

  4828.         esac

  4829.         arch="mips"

  4830.     ;;

  4831.     parisc*|hppa*)

  4832.         arch="parisc"

  4833.     ;;

  4834.     "Power Macintosh"|ppc*|powerpc*)

  4835.         arch="ppc"

  4836.     ;;

  4837.     s390|s390x)

  4838.         arch="s390"

  4839.     ;;

  4840.     sh4|sh)

  4841.         arch="sh4"

  4842.     ;;

  4843.     sun4*|sparc*)

  4844.         arch="sparc"

  4845.     ;;

  4846.     tilegx|tile-gx)

  4847.         arch="tilegx"

  4848.     ;;

  4849.     i[3-6]86*|i86pc|BePC|x86pc|x86_64|x86_32|amd64)

  4850.         arch="x86"

  4851.     ;;

  4852. esac

  4853. 

  4854. is_in $arch $ARCH_LIST || warn "unknown architecture $arch"

  4855. enable $arch

  4856. 

  4857. # Add processor-specific flags

  4858. if enabled aarch64; then

  4859. 

  4860.     case $cpu in

  4861.         armv*)

  4862.             cpuflags="-march=$cpu"

  4863.         ;;

  4864.         *)

  4865.             cpuflags="-mcpu=$cpu"

  4866.         ;;

  4867.     esac

  4868. 

  4869. elif enabled alpha; then

  4870. 

  4871.     cpuflags="-mcpu=$cpu"

  4872. 

  4873. elif enabled arm; then

  4874. 

  4875.     check_arm_arch() {

  4876.         test_cpp_condition stddef.h \

  4877.             "defined __ARM_ARCH_${1}__ || defined __TARGET_ARCH_${2:-$1}" \

  4878.             $cpuflags

  4879.     }

  4880. 

  4881.     probe_arm_arch() {

  4882.         if   check_arm_arch 4;        then echo armv4

  4883.         elif check_arm_arch 4T;       then echo armv4t

  4884.         elif check_arm_arch 5;        then echo armv5

  4885.         elif check_arm_arch 5E;       then echo armv5e

  4886.         elif check_arm_arch 5T;       then echo armv5t

  4887.         elif check_arm_arch 5TE;      then echo armv5te

  4888.         elif check_arm_arch 5TEJ;     then echo armv5te

  4889.         elif check_arm_arch 6;        then echo armv6

  4890.         elif check_arm_arch 6J;       then echo armv6j

  4891.         elif check_arm_arch 6K;       then echo armv6k

  4892.         elif check_arm_arch 6Z;       then echo armv6z

  4893.         elif check_arm_arch 6KZ;      then echo armv6zk

  4894.         elif check_arm_arch 6ZK;      then echo armv6zk

  4895.         elif check_arm_arch 6T2;      then echo armv6t2

  4896.         elif check_arm_arch 7;        then echo armv7

  4897.         elif check_arm_arch 7A  7_A;  then echo armv7-a

  4898.         elif check_arm_arch 7S;       then echo armv7-a

  4899.         elif check_arm_arch 7R  7_R;  then echo armv7-r

  4900.         elif check_arm_arch 7M  7_M;  then echo armv7-m

  4901.         elif check_arm_arch 7EM 7E_M; then echo armv7-m

  4902.         elif check_arm_arch 8A  8_A;  then echo armv8-a

  4903.         fi

  4904.     }

  4905. 

  4906.     [ "$cpu" = generic ] && cpu=$(probe_arm_arch)

  4907. 

  4908.     case $cpu in

  4909.         armv*)

  4910.             cpuflags="-march=$cpu"

  4911.             subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')

  4912.         ;;

  4913.         *)

  4914.             cpuflags="-mcpu=$cpu"

  4915.             case $cpu in

  4916.                 cortex-a*)                               subarch=armv7a  ;;

  4917.                 cortex-r*)                               subarch=armv7r  ;;

  4918.                 cortex-m*)                 enable thumb; subarch=armv7m  ;;

  4919.                 arm11*)                                  subarch=armv6   ;;

  4920.                 arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;

  4921.                 armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;

  4922.                 *)                             subarch=$(probe_arm_arch) ;;

  4923.             esac

  4924.         ;;

  4925.     esac

  4926. 

  4927.     case "$subarch" in

  4928.         armv5t*)    enable fast_clz                ;;

  4929.         armv[6-8]*)

  4930.             enable fast_clz

  4931.             disabled fast_unaligned || enable fast_unaligned

  4932.             ;;

  4933.     esac

  4934. 

  4935. elif enabled avr32; then

  4936. 

  4937.     case $cpu in

  4938.         ap7[02]0[0-2])

  4939.             subarch="avr32_ap"

  4940.             cpuflags="-mpart=$cpu"

  4941.         ;;

  4942.         ap)

  4943.             subarch="avr32_ap"

  4944.             cpuflags="-march=$cpu"

  4945.         ;;

  4946.         uc3[ab]*)

  4947.             subarch="avr32_uc"

  4948.             cpuflags="-mcpu=$cpu"

  4949.         ;;

  4950.         uc)

  4951.             subarch="avr32_uc"

  4952.             cpuflags="-march=$cpu"

  4953.         ;;

  4954.     esac

  4955. 

  4956. elif enabled bfin; then

  4957. 

  4958.     cpuflags="-mcpu=$cpu"

  4959. 

  4960. elif enabled mips; then

  4961. 

  4962.     cpuflags="-march=$cpu"

  4963. 

  4964.     if [ "$cpu" != "generic" ]; then

  4965.         disable mips32r2

  4966.         disable mips32r5

  4967.         disable mips64r2

  4968.         disable mips32r6

  4969.         disable mips64r6

  4970.         disable loongson2

  4971.         disable loongson3

  4972. 

  4973.         case $cpu in

  4974.             24kc|24kf*|24kec|34kc|1004kc|24kef*|34kf*|1004kf*|74kc|74kf)

  4975.                 enable mips32r2

  4976.                 disable msa

  4977.             ;;

  4978.             p5600|i6400|p6600)

  4979.                 disable mipsdsp

  4980.                 disable mipsdspr2

  4981.             ;;

  4982.             loongson*)

  4983.                 enable loongson2

  4984.                 enable loongson3

  4985.                 enable local_aligned

  4986.                 enable simd_align_16

  4987.                 enable fast_64bit

  4988.                 enable fast_clz

  4989.                 enable fast_cmov

  4990.                 enable fast_unaligned

  4991.                 disable aligned_stack

  4992.                 disable mipsdsp

  4993.                 disable mipsdspr2

  4994.                 # When gcc version less than 5.3.0, add -fno-expensive-optimizations flag.

  4995.                 if [ $cc == gcc ]; then

  4996.                     gcc_version=$(gcc -dumpversion)

  4997.                     if [ "$(echo "$gcc_version 5.3.0" | tr " " "\n" | sort -rV | head -n 1)" == "$gcc_version" ]; then

  4998.                         expensive_optimization_flag=""

  4999.                     else

  5000.                         expensive_optimization_flag="-fno-expensive-optimizations"

  5001.                     fi

  5002.                 fi

  5003.                 case $cpu in

  5004.                     loongson3*)

  5005.                         cpuflags="-march=loongson3a -mhard-float $expensive_optimization_flag"

  5006.                     ;;

  5007.                     loongson2e)

  5008.                         cpuflags="-march=loongson2e -mhard-float $expensive_optimization_flag"

  5009.                     ;;

  5010.                     loongson2f)

  5011.                         cpuflags="-march=loongson2f -mhard-float $expensive_optimization_flag"

  5012.                     ;;

  5013.                 esac

  5014.             ;;

  5015.             *)

  5016.                 # Unknown CPU. Disable everything.

  5017.                 warn "unknown CPU. Disabling all MIPS optimizations."

  5018.                 disable mipsfpu

  5019.                 disable mipsdsp

  5020.                 disable mipsdspr2

  5021.                 disable msa

  5022.                 disable mmi

  5023.             ;;

  5024.         esac

  5025. 

  5026.         case $cpu in

  5027.             24kc)

  5028.                 disable mipsfpu

  5029.                 disable mipsdsp

  5030.                 disable mipsdspr2

  5031.             ;;

  5032.             24kf*)

  5033.                 disable mipsdsp

  5034.                 disable mipsdspr2

  5035.             ;;

  5036.             24kec|34kc|1004kc)

  5037.                 disable mipsfpu

  5038.                 disable mipsdspr2

  5039.             ;;

  5040.             24kef*|34kf*|1004kf*)

  5041.                 disable mipsdspr2

  5042.             ;;

  5043.             74kc)

  5044.                 disable mipsfpu

  5045.             ;;

  5046.             p5600)

  5047.                 enable mips32r5

  5048.                 check_cflags "-mtune=p5600" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops"

  5049.             ;;

  5050.             i6400)

  5051.                 enable mips64r6

  5052.                 check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  5053.             ;;

  5054.             p6600)

  5055.                 enable mips64r6

  5056.                 check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"

  5057.             ;;

  5058.         esac

  5059.     else

  5060.         # We do not disable anything. Is up to the user to disable the unwanted features.

  5061.         warn 'generic cpu selected'

  5062.     fi

  5063. 

  5064. elif enabled ppc; then

  5065. 

  5066.     disable ldbrx

  5067. 

  5068.     case $(tolower $cpu) in

  5069.         601|ppc601|powerpc601)

  5070.             cpuflags="-mcpu=601"

  5071.             disable altivec

  5072.         ;;

  5073.         603*|ppc603*|powerpc603*)

  5074.             cpuflags="-mcpu=603"

  5075.             disable altivec

  5076.         ;;

  5077.         604*|ppc604*|powerpc604*)

  5078.             cpuflags="-mcpu=604"

  5079.             disable altivec

  5080.         ;;

  5081.         g3|75*|ppc75*|powerpc75*)

  5082.             cpuflags="-mcpu=750"

  5083.             disable altivec

  5084.         ;;

  5085.         g4|745*|ppc745*|powerpc745*)

  5086.             cpuflags="-mcpu=7450"

  5087.             disable vsx

  5088.         ;;

  5089.         74*|ppc74*|powerpc74*)

  5090.             cpuflags="-mcpu=7400"

  5091.             disable vsx

  5092.         ;;

  5093.         g5|970|ppc970|powerpc970)

  5094.             cpuflags="-mcpu=970"

  5095.             disable vsx

  5096.         ;;

  5097.         power[3-6]*)

  5098.             cpuflags="-mcpu=$cpu"

  5099.             disable vsx

  5100.         ;;

  5101.         power[7-8]*)

  5102.             cpuflags="-mcpu=$cpu"

  5103.         ;;

  5104.         cell)

  5105.             cpuflags="-mcpu=cell"

  5106.             enable ldbrx

  5107.             disable vsx

  5108.         ;;

  5109.         e500mc)

  5110.             cpuflags="-mcpu=e500mc"

  5111.             disable altivec

  5112.         ;;

  5113.         e500v2)

  5114.             cpuflags="-mcpu=8548 -mhard-float -mfloat-gprs=double"

  5115.             disable altivec

  5116.             disable dcbzl

  5117.         ;;

  5118.         e500)

  5119.             cpuflags="-mcpu=8540 -mhard-float"

  5120.             disable altivec

  5121.             disable dcbzl

  5122.         ;;

  5123.     esac

  5124. 

  5125. elif enabled sparc; then

  5126. 

  5127.     case $cpu in

  5128.         cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])

  5129.             cpuflags="-mcpu=$cpu"

  5130.         ;;

  5131.         ultrasparc*|niagara[234])

  5132.             cpuflags="-mcpu=$cpu"

  5133.         ;;

  5134.     esac

  5135. 

  5136. elif enabled x86; then

  5137. 

  5138.     case $cpu in

  5139.         i[345]86|pentium)

  5140.             cpuflags="-march=$cpu"

  5141.             disable i686

  5142.             disable mmx

  5143.         ;;

  5144.         # targets that do NOT support nopl and conditional mov (cmov)

  5145.         pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)

  5146.             cpuflags="-march=$cpu"

  5147.             disable i686

  5148.         ;;

  5149.         # targets that do support nopl and conditional mov (cmov)

  5150.         i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx\

  5151.         |core*|atom|bonnell|nehalem|westmere|silvermont|sandybridge|ivybridge|haswell|broadwell|skylake*|knl\

  5152.         |amdfam10|barcelona|b[dt]ver*|znver*)

  5153.             cpuflags="-march=$cpu"

  5154.             enable i686

  5155.             enable fast_cmov

  5156.         ;;

  5157.         # targets that do support conditional mov but on which it's slow

  5158.         pentium4|pentium4m|prescott|nocona)

  5159.             cpuflags="-march=$cpu"

  5160.             enable i686

  5161.             disable fast_cmov

  5162.         ;;

  5163.     esac

  5164. 

  5165. fi

  5166. 

  5167. if [ "$cpu" != generic ]; then

  5168.     add_cflags  $cpuflags

  5169.     add_asflags $cpuflags

  5170.     test "$cc_type" = "$ld_type" && add_ldflags $cpuflags

  5171. fi

  5172. 

  5173. # compiler sanity check

  5174. test_exec <<EOF

  5175. int main(void){ return 0; }

  5176. EOF

  5177. if test "$?" != 0; then

  5178.     echo "$cc is unable to create an executable file."

  5179.     if test -z "$cross_prefix" && ! enabled cross_compile ; then

  5180.         echo "If $cc is a cross-compiler, use the --enable-cross-compile option."

  5181.         echo "Only do this if you know what cross compiling means."

  5182.     fi

  5183.     die "C compiler test failed."

  5184. fi

  5185. 

  5186. add_cppflags -D_ISOC99_SOURCE

  5187. add_cxxflags -D__STDC_CONSTANT_MACROS

  5188. check_cxxflags -std=c++11 || check_cxxflags -std=c++0x

  5189. 

  5190. # some compilers silently accept -std=c11, so we also need to check that the

  5191. # version macro is defined properly

  5192. test_cflags_cc -std=c11 ctype.h "__STDC_VERSION__ >= 201112L" &&

  5193.     add_cflags -std=c11 ||

  5194.     check_cflags -std=c99

  5195. 

  5196. check_cppflags -D_FILE_OFFSET_BITS=64

  5197. check_cppflags -D_LARGEFILE_SOURCE

  5198. 

  5199. add_host_cppflags -D_ISOC99_SOURCE

  5200. check_host_cflags -std=c99

  5201. check_host_cflags -Wall

  5202. check_host_cflags $host_cflags_speed

  5203. 

  5204. check_64bit(){

  5205.     arch32=$1

  5206.     arch64=$2

  5207.     expr=${3:-'sizeof(void *) > 4'}

  5208.     test_code cc "" "int test[2*($expr) - 1]" &&

  5209.         subarch=$arch64 || subarch=$arch32

  5210.     enable $subarch

  5211. }

  5212. 

  5213. case "$arch" in

  5214.     aarch64|alpha|ia64)

  5215.         enabled shared && enable_weak pic

  5216.     ;;

  5217.     mips)

  5218.         check_64bit mips mips64 '_MIPS_SIM > 1'

  5219.         enabled shared && enable_weak pic

  5220.     ;;

  5221.     parisc)

  5222.         check_64bit parisc parisc64

  5223.         enabled shared && enable_weak pic

  5224.     ;;

  5225.     ppc)

  5226.         check_64bit ppc ppc64

  5227.         enabled shared && enable_weak pic

  5228.     ;;

  5229.     s390)

  5230.         check_64bit s390 s390x

  5231.         enabled shared && enable_weak pic

  5232.     ;;

  5233.     sparc)

  5234.         check_64bit sparc sparc64

  5235.         enabled shared && enable_weak pic

  5236.     ;;

  5237.     x86)

  5238.         check_64bit x86_32 x86_64

  5239.         # Treat x32 as x64 for now. Note it also needs pic if shared

  5240.         test "$subarch" = "x86_32" && test_cpp_condition stddef.h 'defined(__x86_64__)' &&

  5241.             subarch=x86_64 && enable x86_64 && disable x86_32

  5242.         if enabled x86_64; then

  5243.             enabled shared && enable_weak pic

  5244.             objformat=elf64

  5245.         fi

  5246.     ;;

  5247. esac

  5248. 

  5249. # OS specific

  5250. case $target_os in

  5251.     aix)

  5252.         SHFLAGS=-shared

  5253.         add_cppflags '-I\$(SRC_PATH)/compat/aix'

  5254.         enabled shared && add_ldflags -Wl,-brtl

  5255.         arflags='-Xany -r -c'

  5256.         striptype=""

  5257.         ;;

  5258.     android)

  5259.         disable symver

  5260.         enable section_data_rel_ro

  5261.         add_cflags -fPIE

  5262.         add_ldexeflags -fPIE -pie

  5263.         SLIB_INSTALL_NAME='$(SLIBNAME)'

  5264.         SLIB_INSTALL_LINKS=

  5265.         SHFLAGS='-shared -Wl,-soname,$(SLIBNAME)'

  5266.         ;;

  5267.     haiku)

  5268.         prefix_default="/boot/common"

  5269.         network_extralibs="-lnetwork"

  5270.         host_extralibs=

  5271.         ;;

  5272.     sunos)

  5273.         SHFLAGS='-shared -Wl,-h,$$(@F)'

  5274.         enabled x86 && append SHFLAGS -mimpure-text

  5275.         network_extralibs="-lsocket -lnsl"

  5276.         add_cppflags -D__EXTENSIONS__

  5277.         # When using suncc to build, the Solaris linker will mark

  5278.         # an executable with each instruction set encountered by

  5279.         # the Solaris assembler.  As our libraries contain their own

  5280.         # guards for processor-specific code, instead suppress

  5281.         # generation of the HWCAPS ELF section on Solaris x86 only.

  5282.         enabled_all suncc x86 &&

  5283.             echo "hwcap_1 = OVERRIDE;" > mapfile &&

  5284.             add_ldflags -Wl,-M,mapfile

  5285.         nm_default='nm -P -g'

  5286.         striptype=""

  5287.         version_script='-M'

  5288.         VERSION_SCRIPT_POSTPROCESS_CMD='perl $(SRC_PATH)/compat/solaris/make_sunver.pl - $(OBJS)'

  5289.         ;;

  5290.     netbsd)

  5291.         disable symver

  5292.         oss_indev_extralibs="-lossaudio"

  5293.         oss_outdev_extralibs="-lossaudio"

  5294.         enabled gcc || check_ldflags -Wl,-zmuldefs

  5295.         ;;

  5296.     openbsd|bitrig)

  5297.         disable symver

  5298.         striptype=""

  5299.         SHFLAGS='-shared'

  5300.         SLIB_INSTALL_NAME='$(SLIBNAME).$(LIBMAJOR).$(LIBMINOR)'

  5301.         SLIB_INSTALL_LINKS=

  5302.         oss_indev_extralibs="-lossaudio"

  5303.         oss_outdev_extralibs="-lossaudio"

  5304.         ;;

  5305.     dragonfly)

  5306.         disable symver

  5307.         ;;

  5308.     freebsd)

  5309.         ;;

  5310.     bsd/os)

  5311.         add_extralibs -lpoll -lgnugetopt

  5312.         strip="strip -d"

  5313.         ;;

  5314.     darwin)

  5315.         enabled ppc && add_asflags -force_cpusubtype_ALL

  5316.         install_name_dir_default='$(SHLIBDIR)'

  5317.         SHFLAGS='-dynamiclib -Wl,-single_module -Wl,-install_name,$(INSTALL_NAME_DIR)/$(SLIBNAME_WITH_MAJOR),-current_version,$(LIBVERSION),-compatibility_version,$(LIBMAJOR)'

  5318.         enabled x86_32 && append SHFLAGS -Wl,-read_only_relocs,suppress

  5319.         strip="${strip} -x"

  5320.         add_ldflags -Wl,-dynamic,-search_paths_first

  5321.         check_cflags -Werror=partial-availability

  5322.         SLIBSUF=".dylib"

  5323.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME).$(LIBVERSION)$(SLIBSUF)'

  5324.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME).$(LIBMAJOR)$(SLIBSUF)'

  5325.         enabled x86_64 && objformat="macho64" || objformat="macho32"

  5326.         enabled_any pic shared x86_64 ||

  5327.             { check_cflags -mdynamic-no-pic && add_asflags -mdynamic-no-pic; }

  5328.         check_headers dispatch/dispatch.h &&

  5329.             add_cppflags '-I\$(SRC_PATH)/compat/dispatch_semaphore'

  5330.         if test -n "$sysroot"; then

  5331.             is_in -isysroot $cc $CPPFLAGS $CFLAGS || check_cppflags -isysroot $sysroot

  5332.             is_in -isysroot $ld $LDFLAGS          || check_ldflags  -isysroot $sysroot

  5333.         fi

  5334.         version_script='-exported_symbols_list'

  5335.         VERSION_SCRIPT_POSTPROCESS_CMD='tr " " "\n" | sed -n /global:/,/local:/p | grep ";" | tr ";" "\n" | sed -E "s/(.+)/_\1/g" | sed -E "s/(.+[^*])$$$$/\1*/"'

  5336.         ;;

  5337.     msys*)

  5338.         die "Native MSYS builds are discouraged, please use the MINGW environment."

  5339.         ;;

  5340.     mingw32*|mingw64*)

  5341.         target_os=mingw32

  5342.         LIBTARGET=i386

  5343.         if enabled x86_64; then

  5344.             LIBTARGET="i386:x86-64"

  5345.         elif enabled arm; then

  5346.             LIBTARGET="arm"

  5347.         elif enabled aarch64; then

  5348.             LIBTARGET="arm64"

  5349.         fi

  5350.         if enabled shared; then

  5351.             # Cannot build both shared and static libs when using dllimport.

  5352.             disable static

  5353.         fi

  5354.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5355.         enabled x86_32 && check_ldflags -Wl,--large-address-aware

  5356.         shlibdir_default="$bindir_default"

  5357.         SLIBPREF=""

  5358.         SLIBSUF=".dll"

  5359.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5360.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5361.         if test_cmd lib.exe -list; then

  5362.             SLIB_EXTRA_CMD=-'lib.exe -nologo -machine:$(LIBTARGET) -def:$$(@:$(SLIBSUF)=.def) -out:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5363.             if enabled x86_64; then

  5364.                 LIBTARGET=x64

  5365.             fi

  5366.         else

  5367.             SLIB_EXTRA_CMD=-'$(DLLTOOL) -m $(LIBTARGET) -d $$(@:$(SLIBSUF)=.def) -l $(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib) -D $(SLIBNAME_WITH_MAJOR)'

  5368.         fi

  5369.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5370.         SLIB_INSTALL_LINKS=

  5371.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5372.         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5373.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" AR="$(AR_CMD)" NM="$(NM_CMD)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5374.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--disable-auto-image-base $$(@:$(SLIBSUF)=.def)'

  5375.         enabled x86_64 && objformat="win64" || objformat="win32"

  5376.         dlltool="${cross_prefix}dlltool"

  5377.         ranlib=:

  5378.         enable dos_paths

  5379.         check_ldflags -Wl,--nxcompat,--dynamicbase

  5380.         # Lets work around some stupidity in binutils.

  5381.         # ld will strip relocations from executables even though we need them

  5382.         # for dynamicbase (ASLR).  Using -pie does retain the reloc section

  5383.         # however ld then forgets what the entry point should be (oops) so we

  5384.         # have to manually (re)set it.

  5385.         if enabled x86_32; then

  5386.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,_mainCRTStartup

  5387.         elif enabled x86_64; then

  5388.             disabled debug && add_ldexeflags -Wl,--pic-executable,-e,mainCRTStartup

  5389.             check_ldflags -Wl,--high-entropy-va # binutils 2.25

  5390.             # Set image base >4GB for extra entropy with HEASLR

  5391.             add_ldexeflags -Wl,--image-base,0x140000000

  5392.             append SHFLAGS -Wl,--image-base,0x180000000

  5393.         fi

  5394.         ;;

  5395.     win32|win64)

  5396.         disable symver

  5397.         if enabled shared; then

  5398.             # Link to the import library instead of the normal static library

  5399.             # for shared libs.

  5400.             LD_LIB='%.lib'

  5401.             # Cannot build both shared and static libs with MSVC or icl.

  5402.             disable static

  5403.         fi

  5404.         enabled x86_32 && check_ldflags -LARGEADDRESSAWARE

  5405.         shlibdir_default="$bindir_default"

  5406.         SLIBPREF=""

  5407.         SLIBSUF=".dll"

  5408.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5409.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5410.         SLIB_CREATE_DEF_CMD='EXTERN_PREFIX="$(EXTERN_PREFIX)" $(SRC_PATH)/compat/windows/makedef $(SUBDIR)lib$(NAME).ver $(OBJS) > $$(@:$(SLIBSUF)=.def)'

  5411.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5412.         SLIB_INSTALL_LINKS=

  5413.         SLIB_INSTALL_EXTRA_SHLIB='$(SLIBNAME:$(SLIBSUF)=.lib)'

  5414.         SLIB_INSTALL_EXTRA_LIB='$(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'

  5415.         SHFLAGS='-dll -def:$$(@:$(SLIBSUF)=.def) -implib:$(SUBDIR)$(SLIBNAME:$(SLIBSUF)=.lib)'

  5416.         enabled x86_64 && objformat="win64" || objformat="win32"

  5417.         ranlib=:

  5418.         enable dos_paths

  5419.         ;;

  5420.     cygwin*)

  5421.         target_os=cygwin

  5422.         shlibdir_default="$bindir_default"

  5423.         SLIBPREF="cyg"

  5424.         SLIBSUF=".dll"

  5425.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5426.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(FULLNAME)-$(LIBMAJOR)$(SLIBSUF)'

  5427.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5428.         SLIB_INSTALL_LINKS=

  5429.         SLIB_INSTALL_EXTRA_LIB='lib$(FULLNAME).dll.a'

  5430.         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'

  5431.         enabled x86_64 && objformat="win64" || objformat="win32"

  5432.         enable dos_paths

  5433.         enabled shared && ! enabled small && test_cmd $windres --version && enable gnu_windres

  5434.         add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5435.         ;;

  5436.     *-dos|freedos|opendos)

  5437.         network_extralibs="-lsocket"

  5438.         objformat="coff"

  5439.         enable dos_paths

  5440.         ;;

  5441.     linux)

  5442.         enable section_data_rel_ro

  5443.         enabled_any arm aarch64 && enable_weak linux_perf

  5444.         ;;

  5445.     irix*)

  5446.         target_os=irix

  5447.         ranlib="echo ignoring ranlib"

  5448.         ;;

  5449.     os/2*)

  5450.         strip="lxlite -CS"

  5451.         striptype=""

  5452.         objformat="aout"

  5453.         add_cppflags -D_GNU_SOURCE

  5454.         add_ldflags -Zomf -Zbin-files -Zargs-wild -Zhigh-mem -Zmap

  5455.         SHFLAGS='$(SUBDIR)$(NAME).def -Zdll -Zomf'

  5456.         LIBSUF="_s.a"

  5457.         SLIBPREF=""

  5458.         SLIBSUF=".dll"

  5459.         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(FULLNAME)-$(LIBVERSION)$(SLIBSUF)'

  5460.         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(FULLNAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'

  5461.         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(FULLNAME).def; \

  5462.             echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(FULLNAME).def; \

  5463.             echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(FULLNAME).def; \

  5464.             echo EXPORTS >> $(SUBDIR)$(FULLNAME).def; \

  5465.             emxexp $(OBJS) >> $(SUBDIR)$(FULLNAME).def'

  5466.         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.a $(SUBDIR)$(FULLNAME).def; \

  5467.             emximp -o $(SUBDIR)$(LIBPREF)$(FULLNAME)_dll.lib $(SUBDIR)$(FULLNAME).def;'

  5468.         SLIB_INSTALL_NAME='$(SLIBNAME_WITH_MAJOR)'

  5469.         SLIB_INSTALL_LINKS=

  5470.         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(FULLNAME)_dll.a $(LIBPREF)$(FULLNAME)_dll.lib'

  5471.         enable dos_paths

  5472.         enable_weak os2threads

  5473.         ;;

  5474.     gnu/kfreebsd)

  5475.         add_cppflags -D_BSD_SOURCE

  5476.         ;;

  5477.     gnu)

  5478.         ;;

  5479.     qnx)

  5480.         add_cppflags -D_QNX_SOURCE

  5481.         network_extralibs="-lsocket"

  5482.         ;;

  5483.     symbian)

  5484.         SLIBSUF=".dll"

  5485.         enable dos_paths

  5486.         add_cflags --include=$sysinclude/gcce/gcce.h -fvisibility=default

  5487.         add_cppflags -D__GCCE__ -D__SYMBIAN32__ -DSYMBIAN_OE_POSIX_SIGNALS

  5488.         add_ldflags -Wl,--target1-abs,--no-undefined \

  5489.                     -Wl,-Ttext,0x80000,-Tdata,0x1000000 -shared \

  5490.                     -Wl,--entry=_E32Startup -Wl,-u,_E32Startup

  5491.         add_extralibs -l:eexe.lib -l:usrt2_2.lib -l:dfpaeabi.dso \

  5492.                       -l:drtaeabi.dso -l:scppnwdl.dso -lsupc++ -lgcc \

  5493.                       -l:libc.dso -l:libm.dso -l:euser.dso -l:libcrt0.lib

  5494.         ;;

  5495.     minix)

  5496.         ;;

  5497.     none)

  5498.         ;;

  5499.     *)

  5500.         die "Unknown OS '$target_os'."

  5501.         ;;

  5502. esac

  5503. 

  5504. # test if creating links works

  5505. link_dest=$(mktemp -u $TMPDIR/dest_XXXXXXXX)

  5506. link_name=$(mktemp -u $TMPDIR/name_XXXXXXXX)

  5507. mkdir "$link_dest"

  5508. $ln_s "$link_dest" "$link_name"

  5509. touch "$link_dest/test_file"

  5510. if [ "$source_path" != "." ] && [ "$source_path" != "src" ] && ([ ! -d src ] || [ -L src ]) && [ -e "$link_name/test_file" ]; then

  5511.     # create link to source path

  5512.     [ -e src ] && rm src

  5513.     $ln_s "$source_path" src

  5514.     source_link=src

  5515. else

  5516.     # creating directory links doesn't work

  5517.     # fall back to using the full source path

  5518.     source_link="$source_path"

  5519. fi

  5520. # cleanup

  5521. rm -r "$link_dest"

  5522. rm -r "$link_name"

  5523. 

  5524. # determine libc flavour

  5525. 

  5526. probe_libc(){

  5527.     pfx=$1

  5528.     pfx_no_=${pfx%_}

  5529.     # uclibc defines __GLIBC__, so it needs to be checked before glibc.

  5530.     if test_${pfx}cpp_condition features.h "defined __UCLIBC__"; then

  5531.         eval ${pfx}libc_type=uclibc

  5532.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5533.     elif test_${pfx}cpp_condition features.h "defined __GLIBC__"; then

  5534.         eval ${pfx}libc_type=glibc

  5535.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5536.     # MinGW headers can be installed on Cygwin, so check for newlib first.

  5537.     elif test_${pfx}cpp_condition newlib.h "defined _NEWLIB_VERSION"; then

  5538.         eval ${pfx}libc_type=newlib

  5539.         add_${pfx}cppflags -U__STRICT_ANSI__ -D_XOPEN_SOURCE=600

  5540.     # MinGW64 is backwards compatible with MinGW32, so check for it first.

  5541.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW64_VERSION_MAJOR"; then

  5542.         eval ${pfx}libc_type=mingw64

  5543.         if test_${pfx}cpp_condition _mingw.h "__MINGW64_VERSION_MAJOR < 3"; then

  5544.             add_compat msvcrt/snprintf.o

  5545.             add_cflags "-include $source_path/compat/msvcrt/snprintf.h"

  5546.         fi

  5547.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5548.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5549.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5550.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5551.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5552.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5553.     elif test_${pfx}cpp_condition _mingw.h "defined __MINGW_VERSION"  ||

  5554.          test_${pfx}cpp_condition _mingw.h "defined __MINGW32_VERSION"; then

  5555.         eval ${pfx}libc_type=mingw32

  5556.         test_${pfx}cpp_condition _mingw.h "__MINGW32_MAJOR_VERSION > 3 || \

  5557.             (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||

  5558.             die "ERROR: MinGW32 runtime version must be >= 3.15."

  5559.         add_${pfx}cppflags -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1

  5560.         test_${pfx}cpp_condition _mingw.h "__MSVCRT_VERSION__ < 0x0700" &&

  5561.             add_${pfx}cppflags -D__MSVCRT_VERSION__=0x0700

  5562.         test_${pfx}cpp_condition windows.h "!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600" &&

  5563.             add_${pfx}cppflags -D_WIN32_WINNT=0x0600

  5564.         eval test \$${pfx_no_}cc_type = "gcc" &&

  5565.             add_${pfx}cppflags -D__printf__=__gnu_printf__

  5566.         add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5567.     elif test_${pfx}cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then

  5568.         eval ${pfx}libc_type=msvcrt

  5569.         if test_${pfx}cpp_condition crtversion.h "_VC_CRT_MAJOR_VERSION < 14"; then

  5570.             if [ "$pfx" = host_ ]; then

  5571.                 add_host_cppflags -Dsnprintf=_snprintf

  5572.             else

  5573.                 add_compat strtod.o strtod=avpriv_strtod

  5574.                 add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf   \

  5575.                                              _snprintf=avpriv_snprintf  \

  5576.                                              vsnprintf=avpriv_vsnprintf

  5577.             fi

  5578.         fi

  5579.         add_${pfx}cppflags -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_WARNINGS

  5580.         # The MSVC 2010 headers (Win 7.0 SDK) set _WIN32_WINNT to

  5581.         # 0x601 by default unless something else is set by the user.

  5582.         # This can easily lead to us detecting functions only present

  5583.         # in such new versions and producing binaries requiring windows 7.0.

  5584.         # Therefore explicitly set the default to Vista unless the user has

  5585.         # set something else on the command line.

  5586.         # Don't do this if WINAPI_FAMILY is set and is set to a non-desktop

  5587.         # family. For these cases, configure is free to use any functions

  5588.         # found in the SDK headers by default. (Alternatively, we could force

  5589.         # _WIN32_WINNT to 0x0602 in that case.)

  5590.         test_${pfx}cpp_condition stdlib.h "defined(_WIN32_WINNT)" ||

  5591.             { test_${pfx}cpp <<EOF && add_${pfx}cppflags -D_WIN32_WINNT=0x0600; }

  5592. #ifdef WINAPI_FAMILY

  5593. #include <winapifamily.h>

  5594. #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  5595. #error not desktop

  5596. #endif

  5597. #endif

  5598. EOF

  5599.         if [ "$pfx" = "" ]; then

  5600.             check_func strtoll || add_cflags -Dstrtoll=_strtoi64

  5601.             check_func strtoull || add_cflags -Dstrtoull=_strtoui64

  5602.         fi

  5603.     elif test_${pfx}cpp_condition stddef.h "defined __KLIBC__"; then

  5604.         eval ${pfx}libc_type=klibc

  5605.     elif test_${pfx}cpp_condition sys/cdefs.h "defined __BIONIC__"; then

  5606.         eval ${pfx}libc_type=bionic

  5607.     elif test_${pfx}cpp_condition sys/brand.h "defined LABELED_BRAND_NAME"; then

  5608.         eval ${pfx}libc_type=solaris

  5609.         add_${pfx}cppflags -D__EXTENSIONS__ -D_XOPEN_SOURCE=600

  5610.     elif test_${pfx}cpp_condition sys/version.h "defined __DJGPP__"; then

  5611.         eval ${pfx}libc_type=djgpp

  5612.         add_cppflags -U__STRICT_ANSI__

  5613.         add_cflags "-include $source_path/compat/djgpp/math.h"

  5614.         add_compat djgpp/math.o

  5615.     fi

  5616.     test_${pfx}cc <<EOF

  5617. #include <time.h>

  5618. void *v = localtime_r;

  5619. EOF

  5620. test "$?" != 0 && test_${pfx}cc -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 <<EOF && add_${pfx}cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600

  5621. #include <time.h>

  5622. void *v = localtime_r;

  5623. EOF

  5624. 

  5625.     eval test -n "\${${pfx}libc_type}" && enable ${pfx}libc_${libc_type}

  5626. }

  5627. 

  5628. probe_libc

  5629. probe_libc host_

  5630. 

  5631. # hacks for compiler/libc/os combinations

  5632. 

  5633. case $libc_type in

  5634.     bionic)

  5635.         add_compat strtod.o strtod=avpriv_strtod

  5636.         ;;

  5637. esac

  5638. 

  5639. check_compile_assert flt_lim "float.h limits.h" "DBL_MAX == (double)DBL_MAX" ||

  5640.     add_cppflags '-I\$(SRC_PATH)/compat/float'

  5641. 

  5642. test_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable_weak pic

  5643. 

  5644. set_default libdir

  5645. : ${shlibdir_default:="$libdir"}

  5646. : ${pkgconfigdir_default:="$libdir/pkgconfig"}

  5647. 

  5648. set_default $PATHS_LIST

  5649. set_default nm

  5650. 

  5651. disabled optimizations || enabled ossfuzz || check_cflags -fomit-frame-pointer

  5652. 

  5653. enable_weak_pic() {

  5654.     disabled pic && return

  5655.     enable pic

  5656.     add_cppflags -DPIC

  5657.     case "$target_os" in

  5658.     mingw*|cygwin*|win*)

  5659.         ;;

  5660.     *)

  5661.         add_cflags -fPIC

  5662.         add_asflags -fPIC

  5663.         ;;

  5664.     esac

  5665. }

  5666. 

  5667. enabled pic && enable_weak_pic

  5668. 

  5669. test_cc <<EOF || die "Symbol mangling check failed."

  5670. int ff_extern;

  5671. EOF

  5672. sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')

  5673. extern_prefix=${sym%%ff_extern*}

  5674. 

  5675. ! disabled inline_asm && check_inline_asm inline_asm '"" ::'

  5676. 

  5677. for restrict_keyword in restrict __restrict__ __restrict ""; do

  5678.     test_code cc "" "char * $restrict_keyword p" && break

  5679. done

  5680. 

  5681. check_cc pragma_deprecated "" '_Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")'

  5682. 

  5683. # The global variable ensures the bits appear unchanged in the object file.

  5684. test_cc <<EOF || die "endian test failed"

  5685. unsigned int endian = 'B' << 24 | 'I' << 16 | 'G' << 8 | 'E';

  5686. EOF

  5687. od -t x1 $TMPO | grep -q '42 *49 *47 *45' && enable bigendian

  5688. 

  5689. check_cc const_nan math.h "struct { double d; } static const bar[] = { { NAN } }"

  5690. 

  5691. if ! enabled ppc64 || enabled bigendian; then

  5692.     disable vsx

  5693. fi

  5694. 

  5695. check_gas() {

  5696.     log "check_gas using '$as' as AS"

  5697.     # :vararg is used on aarch64, arm and ppc altivec

  5698.     check_as vararg "

  5699. .macro m n, y:vararg=0

  5700. \n: .int \y

  5701. .endm

  5702. m x" || return 1

  5703.     # .altmacro is only used in arm asm

  5704.     ! enabled arm || check_as gnu_as ".altmacro"

  5705. }

  5706. 

  5707. if enabled_any arm aarch64 || enabled_all ppc altivec && enabled asm; then

  5708.     nogas=:

  5709.     enabled_any arm aarch64 && nogas=die

  5710.     enabled_all ppc altivec && [ $target_os_default != aix ] && nogas=warn

  5711.     as_noop=-v

  5712. 

  5713.     case $as_type in

  5714.         arm*) gaspp_as_type=armasm; as_noop=-h ;;

  5715.         gcc)  gaspp_as_type=gas ;;

  5716.         *)    gaspp_as_type=$as_type ;;

  5717.     esac

  5718. 

  5719.     [ $target_os = "darwin" ] && gaspp_as_type="apple-$gaspp_as_type"

  5720. 

  5721.     test "${as#*gas-preprocessor.pl}" != "$as" ||

  5722.     test_cmd gas-preprocessor.pl -arch $arch -as-type $gaspp_as_type -- ${as:=$cc} $as_noop &&

  5723.         gas="${gas:=gas-preprocessor.pl} -arch $arch -as-type $gaspp_as_type -- ${as:=$cc}"

  5724. 

  5725.     if ! check_gas ; then

  5726.         as=${gas:=$as}

  5727.         check_gas || \

  5728.             $nogas "GNU assembler not found, install/update gas-preprocessor"

  5729.     fi

  5730. 

  5731.     check_as as_func ".func test

  5732.                       .endfunc"

  5733. fi

  5734. 

  5735. check_inline_asm inline_asm_labels '"1:\n"'

  5736. 

  5737. check_inline_asm inline_asm_nonlocal_labels '"Label:\n"'

  5738. 

  5739. if enabled aarch64; then

  5740.     enabled armv8 && check_insn armv8 'prfm   pldl1strm, [x0]'

  5741.     # internal assembler in clang 3.3 does not support this instruction

  5742.     enabled neon && check_insn neon 'ext   v0.8B, v0.8B, v1.8B, #1'

  5743.     enabled vfp  && check_insn vfp  'fmadd d0,    d0,    d1,    d2'

  5744. 

  5745.     map 'enabled_any ${v}_external ${v}_inline || disable $v' $ARCH_EXT_LIST_ARM

  5746. 

  5747. elif enabled alpha; then

  5748. 

  5749.     check_cflags -mieee

  5750. 

  5751. elif enabled arm; then

  5752. 

  5753.     enabled msvc && check_cpp_condition thumb stddef.h "defined _M_ARMT"

  5754.     test_cpp_condition stddef.h "defined __thumb__" && test_cc <<EOF && enable_weak thumb

  5755. float func(float a, float b){ return a+b; }

  5756. EOF

  5757.     enabled thumb && check_cflags -mthumb || check_cflags -marm

  5758. 

  5759.     if check_cpp_condition vfp_args stddef.h "defined __ARM_PCS_VFP"; then

  5760.         :

  5761.     elif check_cpp_condition vfp_args stddef.h "defined _M_ARM_FP && _M_ARM_FP >= 30"; then

  5762.         :

  5763.     elif ! test_cpp_condition stddef.h "defined __ARM_PCS || defined __SOFTFP__" && [ $target_os != darwin ]; then

  5764.         case "${cross_prefix:-$cc}" in

  5765.             *hardfloat*) enable vfp_args; fpabi=vfp ;;

  5766.             *) check_ld "cc" vfp_args <<EOF && fpabi=vfp || fpabi=soft ;;

  5767. __asm__ (".eabi_attribute 28, 1");

  5768. int main(void) { return 0; }

  5769. EOF

  5770.         esac

  5771.         warn "Compiler does not indicate floating-point ABI, guessing $fpabi."

  5772.     fi

  5773. 

  5774.     enabled armv5te && check_insn armv5te 'qadd r0, r0, r0'

  5775.     enabled armv6   && check_insn armv6   'sadd16 r0, r0, r0'

  5776.     enabled armv6t2 && check_insn armv6t2 'movt r0, #0'

  5777.     enabled neon    && check_insn neon    'vadd.i16 q0, q0, q0'

  5778.     enabled vfp     && check_insn vfp     'fadds s0, s0, s0'

  5779.     enabled vfpv3   && check_insn vfpv3   'vmov.f32 s0, #1.0'

  5780.     enabled setend  && check_insn setend  'setend be'

  5781. 

  5782.     [ $target_os = linux ] || [ $target_os = android ] ||

  5783.         map 'enabled_any ${v}_external ${v}_inline || disable $v' \

  5784.             $ARCH_EXT_LIST_ARM

  5785. 

  5786.     check_inline_asm asm_mod_q '"add r0, %Q0, %R0" :: "r"((long long)0)'

  5787. 

  5788.     check_as as_arch_directive ".arch armv7-a"

  5789.     check_as as_dn_directive   "ra .dn d0.i16"

  5790.     check_as as_fpu_directive  ".fpu neon"

  5791. 

  5792.     # llvm's integrated assembler supports .object_arch from llvm 3.5

  5793.     [ "$objformat" = elf32 ] || [ "$objformat" = elf64 ] &&

  5794.         check_as as_object_arch ".object_arch armv4"

  5795. 

  5796.     # MS armasm fails to assemble our PIC constructs

  5797.     [ $target_os != win32 ] && enabled_all armv6t2 shared !pic && enable_weak_pic

  5798. 

  5799. elif enabled mips; then

  5800. 

  5801.     enabled loongson2 && check_inline_asm loongson2 '"dmult.g $8, $9, $10"'

  5802.     enabled loongson3 && check_inline_asm loongson3 '"gsldxc1 $f0, 0($2, $3)"'

  5803.     enabled mmi && check_inline_asm mmi '"punpcklhw $f0, $f0, $f0"'

  5804. 

  5805.     # Enable minimum ISA based on selected options

  5806.     if enabled mips64; then

  5807.         enabled mips64r6 && check_inline_asm_flags mips64r6 '"dlsa $0, $0, $0, 1"' '-mips64r6'

  5808.         enabled mips64r2 && check_inline_asm_flags mips64r2 '"dext $0, $0, 0, 1"' '-mips64r2'

  5809.         disabled mips64r6 && disabled mips64r2 && check_inline_asm_flags mips64r1 '"daddi $0, $0, 0"' '-mips64'

  5810.     else

  5811.         enabled mips32r6 && check_inline_asm_flags mips32r6 '"aui $0, $0, 0"' '-mips32r6'

  5812.         enabled mips32r5 && check_inline_asm_flags mips32r5 '"eretnc"' '-mips32r5'

  5813.         enabled mips32r2 && check_inline_asm_flags mips32r2 '"ext $0, $0, 0, 1"' '-mips32r2'

  5814.         disabled mips32r6 && disabled mips32r5 && disabled mips32r2 && check_inline_asm_flags mips32r1 '"addi $0, $0, 0"' '-mips32'

  5815.     fi

  5816. 

  5817.     enabled mipsfpu && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f2"' '-mhard-float'

  5818.     enabled mipsfpu && (enabled mips32r5 || enabled mips32r6 || enabled mips64r6) && check_inline_asm_flags mipsfpu '"cvt.d.l $f0, $f1"' '-mfp64'

  5819.     enabled mipsfpu && enabled msa && check_inline_asm_flags msa '"addvi.b $w0, $w1, 1"' '-mmsa' && check_headers msa.h || disable msa

  5820.     enabled mipsdsp && check_inline_asm_flags mipsdsp '"addu.qb $t0, $t1, $t2"' '-mdsp'

  5821.     enabled mipsdspr2 && check_inline_asm_flags mipsdspr2 '"absq_s.qb $t0, $t1"' '-mdspr2'

  5822.     enabled msa && enabled msa2 && check_inline_asm_flags msa2 '"nxbits.any.b $w0, $w0"' '-mmsa2' && check_headers msa2.h || disable msa2

  5823. 

  5824.     if enabled bigendian && enabled msa; then

  5825.         disable msa

  5826.     fi

  5827. 

  5828. elif enabled parisc; then

  5829. 

  5830.     if enabled gcc; then

  5831.         case $($cc -dumpversion) in

  5832.             4.[3-9].*) check_cflags -fno-optimize-sibling-calls ;;

  5833.         esac

  5834.     fi

  5835. 

  5836. elif enabled ppc; then

  5837. 

  5838.     enable local_aligned

  5839. 

  5840.     check_inline_asm dcbzl     '"dcbzl 0, %0" :: "r"(0)'

  5841.     check_inline_asm ibm_asm   '"add 0, 0, 0"'

  5842.     check_inline_asm ppc4xx    '"maclhw r10, r11, r12"'

  5843.     check_inline_asm xform_asm '"lwzx %1, %y0" :: "Z"(*(int*)0), "r"(0)'

  5844. 

  5845.     if enabled altivec; then

  5846.         check_cflags -maltivec -mabi=altivec

  5847. 

  5848.         # check if our compiler supports Motorola AltiVec C API

  5849.         check_cc altivec altivec.h "vector signed int v1 = (vector signed int) { 0 };

  5850.                                     vector signed int v2 = (vector signed int) { 1 };

  5851.                                     v1 = vec_add(v1, v2);"

  5852. 

  5853.         enabled altivec || warn "Altivec disabled, possibly missing --cpu flag"

  5854.     fi

  5855. 

  5856.     if enabled vsx; then

  5857.         check_cflags -mvsx &&

  5858.         check_cc vsx altivec.h "int v[4] = { 0 };

  5859.                                 vector signed int v1 = vec_vsx_ld(0, v);"

  5860.     fi

  5861. 

  5862.     if enabled power8; then

  5863.         check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)"

  5864.     fi

  5865. 

  5866. elif enabled x86; then

  5867. 

  5868.     check_builtin rdtsc    intrin.h   "__rdtsc()"

  5869.     check_builtin mm_empty mmintrin.h "_mm_empty()"

  5870. 

  5871.     enable local_aligned

  5872. 

  5873.     # check whether EBP is available on x86

  5874.     # As 'i' is stored on the stack, this program will crash

  5875.     # if the base pointer is used to access it because the

  5876.     # base pointer is cleared in the inline assembly code.

  5877.     check_exec_crash <<EOF && enable ebp_available

  5878. volatile int i=0;

  5879. __asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");

  5880. return i;

  5881. EOF

  5882. 

  5883.     # check whether EBX is available on x86

  5884.     check_inline_asm ebx_available '""::"b"(0)' &&

  5885.         check_inline_asm ebx_available '"":::"%ebx"'

  5886. 

  5887.     # check whether xmm clobbers are supported

  5888.     check_inline_asm xmm_clobbers '"":::"%xmm0"'

  5889. 

  5890.     check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test, %eax"' ||

  5891.         check_inline_asm inline_asm_direct_symbol_refs '"movl '$extern_prefix'test(%rip), %eax"'

  5892. 

  5893.     # check whether binutils is new enough to compile SSSE3/MMXEXT

  5894.     enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'

  5895.     enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'

  5896. 

  5897.     probe_x86asm(){

  5898.         x86asmexe_probe=$1

  5899.         if test_cmd $x86asmexe_probe -v; then

  5900.             x86asmexe=$x86asmexe_probe

  5901.             x86asm_type=nasm

  5902.             x86asm_debug="-g -F dwarf"

  5903.             X86ASMDEP=

  5904.             X86ASM_DEPFLAGS='-MD $(@:.o=.d)'

  5905.         elif test_cmd $x86asmexe_probe --version; then

  5906.             x86asmexe=$x86asmexe_probe

  5907.             x86asm_type=yasm

  5908.             x86asm_debug="-g dwarf2"

  5909.             X86ASMDEP='$(DEPX86ASM) $(X86ASMFLAGS) -M $(X86ASM_O) $< > $(@:.o=.d)'

  5910.             X86ASM_DEPFLAGS=

  5911.         fi

  5912.         check_x86asm x86asm "movbe ecx, [5]"

  5913.     }

  5914. 

  5915.     if ! disabled_any asm mmx x86asm; then

  5916.         disable x86asm

  5917.         for program in $x86asmexe nasm yasm; do

  5918.             probe_x86asm $program && break

  5919.         done

  5920.         disabled x86asm && die "nasm/yasm not found or too old. Use --disable-x86asm for a crippled build."

  5921.         X86ASMFLAGS="-f $objformat"

  5922.         enabled pic               && append X86ASMFLAGS "-DPIC"

  5923.         test -n "$extern_prefix"  && append X86ASMFLAGS "-DPREFIX"

  5924.         case "$objformat" in

  5925.             elf*) enabled debug && append X86ASMFLAGS $x86asm_debug ;;

  5926.         esac

  5927. 

  5928.         check_x86asm avx512_external "vmovdqa32 [eax]{k1}{z}, zmm0"

  5929.         check_x86asm avx2_external   "vextracti128 xmm0, ymm0, 0"

  5930.         check_x86asm xop_external    "vpmacsdd xmm0, xmm1, xmm2, xmm3"

  5931.         check_x86asm fma4_external   "vfmaddps ymm0, ymm1, ymm2, ymm3"

  5932.         check_x86asm cpunop          "CPU amdnop"

  5933.     fi

  5934. 

  5935.     case "$cpu" in

  5936.         athlon*|opteron*|k8*|pentium|pentium-mmx|prescott|nocona|atom|geode)

  5937.             disable fast_clz

  5938.         ;;

  5939.     esac

  5940. 

  5941. fi

  5942. 

  5943. check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"

  5944. 

  5945. check_ldflags -Wl,--as-needed

  5946. check_ldflags -Wl,-z,noexecstack

  5947. 

  5948. if ! disabled network; then

  5949.     check_func getaddrinfo $network_extralibs

  5950.     check_func inet_aton $network_extralibs

  5951. 

  5952.     check_type netdb.h "struct addrinfo"

  5953.     check_type netinet/in.h "struct group_source_req" -D_BSD_SOURCE

  5954.     check_type netinet/in.h "struct ip_mreq_source" -D_BSD_SOURCE

  5955.     check_type netinet/in.h "struct ipv6_mreq" -D_DARWIN_C_SOURCE

  5956.     check_type poll.h "struct pollfd"

  5957.     check_type netinet/sctp.h "struct sctp_event_subscribe"

  5958.     check_struct "sys/socket.h" "struct msghdr" msg_flags

  5959.     check_struct "sys/types.h sys/socket.h" "struct sockaddr" sa_len

  5960.     check_type netinet/in.h "struct sockaddr_in6"

  5961.     check_type "sys/types.h sys/socket.h" "struct sockaddr_storage"

  5962.     check_type "sys/types.h sys/socket.h" socklen_t

  5963. 

  5964.     # Prefer arpa/inet.h over winsock2

  5965.     if check_headers arpa/inet.h ; then

  5966.         check_func closesocket

  5967.     elif check_headers winsock2.h ; then

  5968.         check_func_headers winsock2.h closesocket -lws2 &&

  5969.             network_extralibs="-lws2" ||

  5970.         { check_func_headers winsock2.h closesocket -lws2_32 &&

  5971.             network_extralibs="-lws2_32"; } || disable winsock2_h network

  5972.         check_func_headers ws2tcpip.h getaddrinfo $network_extralibs

  5973. 

  5974.         check_type ws2tcpip.h socklen_t

  5975.         check_type ws2tcpip.h "struct addrinfo"

  5976.         check_type ws2tcpip.h "struct group_source_req"

  5977.         check_type ws2tcpip.h "struct ip_mreq_source"

  5978.         check_type ws2tcpip.h "struct ipv6_mreq"

  5979.         check_type winsock2.h "struct pollfd"

  5980.         check_struct winsock2.h "struct sockaddr" sa_len

  5981.         check_type ws2tcpip.h "struct sockaddr_in6"

  5982.         check_type ws2tcpip.h "struct sockaddr_storage"

  5983.     else

  5984.         disable network

  5985.     fi

  5986. fi

  5987. 

  5988. check_builtin atomic_cas_ptr atomic.h "void **ptr; void *oldval, *newval; atomic_cas_ptr(ptr, oldval, newval)"

  5989. check_builtin machine_rw_barrier mbarrier.h "__machine_rw_barrier()"

  5990. check_builtin MemoryBarrier windows.h "MemoryBarrier()"

  5991. check_builtin sync_val_compare_and_swap "" "int *ptr; int oldval, newval; __sync_val_compare_and_swap(ptr, oldval, newval)"

  5992. check_builtin gmtime_r time.h "time_t *time; struct tm *tm; gmtime_r(time, tm)"

  5993. check_builtin localtime_r time.h "time_t *time; struct tm *tm; localtime_r(time, tm)"

  5994. check_builtin x264_csp_bgr "stdint.h x264.h" "X264_CSP_BGR"

  5995. 

  5996. case "$custom_allocator" in

  5997.     jemalloc)

  5998.         # jemalloc by default does not use a prefix

  5999.         require libjemalloc jemalloc/jemalloc.h malloc -ljemalloc

  6000.     ;;

  6001.     tcmalloc)

  6002.         require_pkg_config libtcmalloc libtcmalloc gperftools/tcmalloc.h tc_malloc

  6003.         malloc_prefix=tc_

  6004.     ;;

  6005. esac

  6006. 

  6007. check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc

  6008. check_func  ${malloc_prefix}memalign            && enable memalign

  6009. check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign

  6010. 

  6011. check_func  access

  6012. check_func_headers stdlib.h arc4random

  6013. check_lib   clock_gettime time.h clock_gettime || check_lib clock_gettime time.h clock_gettime -lrt

  6014. check_func  fcntl

  6015. check_func  fork

  6016. check_func  gethrtime

  6017. check_func  getopt

  6018. check_func  getrusage

  6019. check_func  gettimeofday

  6020. check_func  isatty

  6021. check_func  mkstemp

  6022. check_func  mmap

  6023. check_func  mprotect

  6024. # Solaris has nanosleep in -lrt, OpenSolaris no longer needs that

  6025. check_func_headers time.h nanosleep || check_lib nanosleep time.h nanosleep -lrt

  6026. check_func  sched_getaffinity

  6027. check_func  setrlimit

  6028. check_struct "sys/stat.h" "struct stat" st_mtim.tv_nsec -D_BSD_SOURCE

  6029. check_func  strerror_r

  6030. check_func  sysconf

  6031. check_func  sysctl

  6032. check_func  usleep

  6033. 

  6034. check_func_headers conio.h kbhit

  6035. check_func_headers io.h setmode

  6036. check_func_headers lzo/lzo1x.h lzo1x_999_compress

  6037. check_func_headers mach/mach_time.h mach_absolute_time

  6038. check_func_headers stdlib.h getenv

  6039. check_func_headers sys/stat.h lstat

  6040. 

  6041. check_func_headers windows.h GetModuleHandle

  6042. check_func_headers windows.h GetProcessAffinityMask

  6043. check_func_headers windows.h GetProcessTimes

  6044. check_func_headers windows.h GetSystemTimeAsFileTime

  6045. check_func_headers windows.h LoadLibrary

  6046. check_func_headers windows.h MapViewOfFile

  6047. check_func_headers windows.h PeekNamedPipe

  6048. check_func_headers windows.h SetConsoleTextAttribute

  6049. check_func_headers windows.h SetConsoleCtrlHandler

  6050. check_func_headers windows.h SetDllDirectory

  6051. check_func_headers windows.h Sleep

  6052. check_func_headers windows.h VirtualAlloc

  6053. check_func_headers glob.h glob

  6054. enabled xlib &&

  6055.     check_lib xlib "X11/Xlib.h X11/extensions/Xvlib.h" XvGetPortAttribute -lXv -lX11 -lXext

  6056. 

  6057. check_headers direct.h

  6058. check_headers dirent.h

  6059. check_headers dxgidebug.h

  6060. check_headers dxva.h

  6061. check_headers dxva2api.h -D_WIN32_WINNT=0x0600

  6062. check_headers io.h

  6063. check_headers linux/perf_event.h

  6064. check_headers libcrystalhd/libcrystalhd_if.h

  6065. check_headers malloc.h

  6066. check_headers net/udplite.h

  6067. check_headers poll.h

  6068. check_headers sys/param.h

  6069. check_headers sys/resource.h

  6070. check_headers sys/select.h

  6071. check_headers sys/time.h

  6072. check_headers sys/un.h

  6073. check_headers termios.h

  6074. check_headers unistd.h

  6075. check_headers valgrind/valgrind.h

  6076. check_func_headers VideoToolbox/VTCompressionSession.h VTCompressionSessionPrepareToEncodeFrames -framework VideoToolbox

  6077. check_headers windows.h

  6078. check_headers X11/extensions/XvMClib.h

  6079. check_headers asm/types.h

  6080. 

  6081. # it seems there are versions of clang in some distros that try to use the

  6082. # gcc headers, which explodes for stdatomic

  6083. # so we also check that atomics actually work here

  6084. check_builtin stdatomic stdatomic.h "atomic_int foo, bar = ATOMIC_VAR_INIT(-1); atomic_store(&foo, 0); foo += bar"

  6085. 

  6086. check_lib advapi32 "windows.h"            RegCloseKey          -ladvapi32

  6087. check_lib bcrypt   "windows.h bcrypt.h"   BCryptGenRandom      -lbcrypt &&

  6088.     check_cpp_condition bcrypt bcrypt.h "defined BCRYPT_RNG_ALGORITHM"

  6089. check_lib ole32    "windows.h"            CoTaskMemFree        -lole32

  6090. check_lib shell32  "windows.h shellapi.h" CommandLineToArgvW   -lshell32

  6091. check_lib psapi    "windows.h psapi.h"    GetProcessMemoryInfo -lpsapi

  6092. 

  6093. check_lib android android/native_window.h ANativeWindow_acquire -landroid

  6094. check_lib mediandk "stdint.h media/NdkImage.h" AImage_delete -lmediandk

  6095. check_lib camera2ndk "stdbool.h stdint.h camera/NdkCameraManager.h" ACameraManager_create -lcamera2ndk

  6096. 

  6097. enabled appkit       && check_apple_framework AppKit

  6098. enabled audiotoolbox && check_apple_framework AudioToolbox

  6099. enabled avfoundation && check_apple_framework AVFoundation

  6100. enabled coreimage    && check_apple_framework CoreImage

  6101. enabled videotoolbox && check_apple_framework VideoToolbox

  6102. 

  6103. check_apple_framework CoreFoundation

  6104. check_apple_framework CoreMedia

  6105. check_apple_framework CoreVideo

  6106. 

  6107. enabled avfoundation && {

  6108.     disable coregraphics applicationservices

  6109.     check_lib coregraphics        CoreGraphics/CoreGraphics.h               CGGetActiveDisplayList "-framework CoreGraphics" ||

  6110.     check_lib applicationservices ApplicationServices/ApplicationServices.h CGGetActiveDisplayList "-framework ApplicationServices"; }

  6111. 

  6112. enabled videotoolbox && {

  6113.     check_lib coreservices CoreServices/CoreServices.h UTGetOSTypeFromString "-framework CoreServices"

  6114.     check_func_headers CoreMedia/CMFormatDescription.h kCMVideoCodecType_HEVC "-framework CoreMedia"

  6115.     check_func_headers CoreVideo/CVPixelBuffer.h kCVPixelFormatType_420YpCbCr10BiPlanarVideoRange "-framework CoreVideo"

  6116.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_SMPTE_ST_2084_PQ "-framework CoreVideo"

  6117.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_ITU_R_2100_HLG "-framework CoreVideo"

  6118.     check_func_headers CoreVideo/CVImageBuffer.h kCVImageBufferTransferFunction_Linear "-framework CoreVideo"

  6119. }

  6120. 

  6121. check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss

  6122. 

  6123. check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  6124. check_type "windows.h dxva.h" "DXVA_PicParams_VP9" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0

  6125. check_type "windows.h d3d11.h" "ID3D11VideoDecoder"

  6126. check_type "windows.h d3d11.h" "ID3D11VideoContext"

  6127. check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602

  6128. 

  6129. check_type "vdpau/vdpau.h" "VdpPictureInfoHEVC"

  6130. check_type "vdpau/vdpau.h" "VdpPictureInfoVP9"

  6131. 

  6132. if [ -z "$nvccflags" ]; then

  6133.     nvccflags=$nvccflags_default

  6134. fi

  6135. 

  6136. if enabled x86_64 || enabled ppc64 || enabled aarch64; then

  6137.     nvccflags="$nvccflags -m64"

  6138. else

  6139.     nvccflags="$nvccflags -m32"

  6140. fi

  6141. 

  6142. if enabled cuda_nvcc; then

  6143.     nvccflags="$nvccflags -ptx"

  6144. else

  6145.     nvccflags="$nvccflags -S -nocudalib -nocudainc --cuda-device-only -include ${source_link}/compat/cuda/cuda_runtime.h"

  6146.     check_nvcc cuda_llvm

  6147. fi

  6148. 

  6149. if ! disabled ffnvcodec; then

  6150.     ffnv_hdr_list="ffnvcodec/nvEncodeAPI.h ffnvcodec/dynlink_cuda.h ffnvcodec/dynlink_cuviddec.h ffnvcodec/dynlink_nvcuvid.h"

  6151.     check_pkg_config ffnvcodec "ffnvcodec >= 9.1.23.1" "$ffnv_hdr_list" "" || \

  6152.       check_pkg_config ffnvcodec "ffnvcodec >= 9.0.18.3 ffnvcodec < 9.1" "$ffnv_hdr_list" "" || \

  6153.       check_pkg_config ffnvcodec "ffnvcodec >= 8.2.15.10 ffnvcodec < 8.3" "$ffnv_hdr_list" "" || \

  6154.       check_pkg_config ffnvcodec "ffnvcodec >= 8.1.24.11 ffnvcodec < 8.2" "$ffnv_hdr_list" ""

  6155. fi

  6156. 

  6157. check_cpp_condition winrt windows.h "!WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)"

  6158. 

  6159. if ! disabled w32threads && ! enabled pthreads; then

  6160.     check_func_headers "windows.h process.h" _beginthreadex &&

  6161.         check_type "windows.h" CONDITION_VARIABLE &&

  6162.         check_type "windows.h" INIT_ONCE &&

  6163.         enable w32threads || disable w32threads

  6164.     if ! enabled w32threads && enabled winrt; then

  6165.         check_func_headers "windows.h" CreateThread &&

  6166.             enable w32threads || disable w32threads

  6167.     fi

  6168. fi

  6169. 

  6170. # check for some common methods of building with pthread support

  6171. # do this before the optional library checks as some of them require pthreads

  6172. if ! disabled pthreads && ! enabled w32threads && ! enabled os2threads; then

  6173.     if check_lib pthreads pthread.h pthread_join   -pthread &&

  6174.        check_lib pthreads pthread.h pthread_create -pthread; then

  6175.         add_cflags -pthread

  6176.     elif check_lib pthreads pthread.h pthread_join   -pthreads &&

  6177.          check_lib pthreads pthread.h pthread_create -pthreads; then

  6178.         add_cflags -pthreads

  6179.     elif check_lib pthreads pthread.h pthread_join   -ldl -pthread &&

  6180.          check_lib pthreads pthread.h pthread_create -ldl -pthread; then

  6181.         add_cflags -ldl -pthread

  6182.     elif check_lib pthreads pthread.h pthread_join   -lpthreadGC2 &&

  6183.          check_lib pthreads pthread.h pthread_create -lpthreadGC2; then

  6184.         :

  6185.     elif check_lib pthreads pthread.h pthread_join   -lpthread &&

  6186.          check_lib pthreads pthread.h pthread_create -lpthread; then

  6187.         :

  6188.     elif check_func pthread_join && check_func pthread_create; then

  6189.         enable pthreads

  6190.     fi

  6191.     check_cc pthreads "pthread.h" "static pthread_mutex_t atomic_lock = PTHREAD_MUTEX_INITIALIZER"

  6192. 

  6193.     if enabled pthreads; then

  6194.         check_builtin sem_timedwait semaphore.h "sem_t *s; sem_init(s,0,0); sem_timedwait(s,0); sem_destroy(s)" $pthreads_extralibs

  6195.         check_func pthread_cancel $pthreads_extralibs

  6196.     fi

  6197. fi

  6198. 

  6199. enabled  zlib && { check_pkg_config zlib zlib "zlib.h" zlibVersion ||

  6200.                    check_lib zlib   zlib.h      zlibVersion    -lz; }

  6201. enabled bzlib && check_lib bzlib bzlib.h BZ2_bzlibVersion    -lbz2

  6202. enabled  lzma && check_lib lzma   lzma.h lzma_version_number -llzma

  6203. 

  6204. # On some systems dynamic loading requires no extra linker flags

  6205. check_lib libdl dlfcn.h "dlopen dlsym" || check_lib libdl dlfcn.h "dlopen dlsym" -ldl

  6206. 

  6207. check_lib libm math.h sin -lm

  6208. 

  6209. atan2f_args=2

  6210. copysign_args=2

  6211. hypot_args=2

  6212. ldexpf_args=2

  6213. powf_args=2

  6214. 

  6215. for func in $MATH_FUNCS; do

  6216.     eval check_mathfunc $func \${${func}_args:-1} $libm_extralibs

  6217. done

  6218. 

  6219. for func in $COMPLEX_FUNCS; do

  6220.     eval check_complexfunc $func \${${func}_args:-1}

  6221. done

  6222. 

  6223. # these are off by default, so fail if requested and not available

  6224. enabled cuda_nvcc         && { check_nvcc cuda_nvcc || die "ERROR: failed checking for nvcc."; }

  6225. enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint

  6226. enabled decklink          && { require_headers DeckLinkAPI.h &&

  6227.                                { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a090500" || die "ERROR: Decklink API version must be >= 10.9.5."; } }

  6228. enabled frei0r            && require_headers "frei0r.h dlfcn.h"

  6229. enabled gmp               && require gmp gmp.h mpz_export -lgmp

  6230. enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init

  6231. enabled jni               && { [ $target_os = "android" ] && check_headers jni.h && enabled pthreads || die "ERROR: jni not found"; }

  6232. enabled ladspa            && require_headers "ladspa.h dlfcn.h"

  6233. enabled libaom            && require_pkg_config libaom "aom >= 1.0.0" aom/aom_codec.h aom_codec_version

  6234. enabled libaribb24        && { check_pkg_config libaribb24 "aribb24 > 1.0.3" "aribb24/aribb24.h" arib_instance_new ||

  6235.                                { enabled gpl && require_pkg_config libaribb24 aribb24 "aribb24/aribb24.h" arib_instance_new; } ||

  6236.                                die "ERROR: libaribb24 requires version higher than 1.0.3 or --enable-gpl."; }

  6237. enabled lv2               && require_pkg_config lv2 lilv-0 "lilv/lilv.h" lilv_world_new

  6238. enabled libiec61883       && require libiec61883 libiec61883/iec61883.h iec61883_cmp_connect -lraw1394 -lavc1394 -lrom1394 -liec61883

  6239. enabled libass            && require_pkg_config libass libass ass/ass.h ass_library_init

  6240. enabled libbluray         && require_pkg_config libbluray libbluray libbluray/bluray.h bd_open

  6241. enabled libbs2b           && require_pkg_config libbs2b libbs2b bs2b.h bs2b_open

  6242. enabled libcelt           && require libcelt celt/celt.h celt_decode -lcelt0 &&

  6243.                              { check_lib libcelt celt/celt.h celt_decoder_create_custom -lcelt0 ||

  6244.                                die "ERROR: libcelt must be installed and version must be >= 0.11.0."; }

  6245. enabled libcaca           && require_pkg_config libcaca caca caca.h caca_create_canvas

  6246. enabled libcodec2         && require libcodec2 codec2/codec2.h codec2_create -lcodec2

  6247. enabled libdav1d          && require_pkg_config libdav1d "dav1d >= 0.4.0" "dav1d/dav1d.h" dav1d_version

  6248. enabled libdavs2          && require_pkg_config libdavs2 "davs2 >= 1.6.0" davs2.h davs2_decoder_open

  6249. enabled libdc1394         && require_pkg_config libdc1394 libdc1394-2 dc1394/dc1394.h dc1394_new

  6250. enabled libdrm            && require_pkg_config libdrm libdrm xf86drm.h drmGetVersion

  6251. enabled libfdk_aac        && { check_pkg_config libfdk_aac fdk-aac "fdk-aac/aacenc_lib.h" aacEncOpen ||

  6252.                                { require libfdk_aac fdk-aac/aacenc_lib.h aacEncOpen -lfdk-aac &&

  6253.                                  warn "using libfdk without pkg-config"; } }

  6254. flite_extralibs="-lflite_cmu_time_awb -lflite_cmu_us_awb -lflite_cmu_us_kal -lflite_cmu_us_kal16 -lflite_cmu_us_rms -lflite_cmu_us_slt -lflite_usenglish -lflite_cmulex -lflite"

  6255. enabled libflite          && require libflite "flite/flite.h" flite_init $flite_extralibs

  6256. enabled fontconfig        && enable libfontconfig

  6257. enabled libfontconfig     && require_pkg_config libfontconfig fontconfig "fontconfig/fontconfig.h" FcInit

  6258. enabled libfreetype       && require_pkg_config libfreetype freetype2 "ft2build.h FT_FREETYPE_H" FT_Init_FreeType

  6259. enabled libfribidi        && require_pkg_config libfribidi fribidi fribidi.h fribidi_version_info

  6260. enabled libgme            && { check_pkg_config libgme libgme gme/gme.h gme_new_emu ||

  6261.                                require libgme gme/gme.h gme_new_emu -lgme -lstdc++; }

  6262. enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do

  6263.                                    check_lib libgsm "${gsm_hdr}" gsm_create -lgsm && break;

  6264.                                done || die "ERROR: libgsm not found"; }

  6265. enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc $pthreads_extralibs

  6266. enabled libklvanc         && require libklvanc libklvanc/vanc.h klvanc_context_create -lklvanc

  6267. enabled libkvazaar        && require_pkg_config libkvazaar "kvazaar >= 0.8.1" kvazaar.h kvz_api_get

  6268. enabled liblensfun        && require_pkg_config liblensfun lensfun lensfun.h lf_db_new

  6269. # While it may appear that require is being used as a pkg-config

  6270. # fallback for libmfx, it is actually being used to detect a different

  6271. # installation route altogether.  If libmfx is installed via the Intel

  6272. # Media SDK or Intel Media Server Studio, these don't come with

  6273. # pkg-config support.  Instead, users should make sure that the build

  6274. # can find the libraries and headers through other means.

  6275. enabled libmfx            && { check_pkg_config libmfx libmfx "mfx/mfxvideo.h" MFXInit ||

  6276.                                { require libmfx "mfx/mfxvideo.h" MFXInit "-llibmfx $advapi32_extralibs" && warn "using libmfx without pkg-config"; } }

  6277. if enabled libmfx; then

  6278.    check_cc MFX_CODEC_VP9 "mfx/mfxvp9.h mfx/mfxstructures.h" "MFX_CODEC_VP9"

  6279. fi

  6280. 

  6281. enabled libmodplug        && require_pkg_config libmodplug libmodplug libmodplug/modplug.h ModPlug_Load

  6282. enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame $libm_extralibs

  6283. enabled libmysofa         && { check_pkg_config libmysofa libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine ||

  6284.                                require libmysofa mysofa.h mysofa_neighborhood_init_withstepdefine -lmysofa $zlib_extralibs; }

  6285. enabled libnpp            && { check_lib libnpp npp.h nppGetLibVersion -lnppig -lnppicc -lnppc -lnppidei ||

  6286.                                check_lib libnpp npp.h nppGetLibVersion -lnppi -lnppc -lnppidei ||

  6287.                                die "ERROR: libnpp not found"; }

  6288. enabled libopencore_amrnb && require libopencore_amrnb opencore-amrnb/interf_dec.h Decoder_Interface_init -lopencore-amrnb

  6289. enabled libopencore_amrwb && require libopencore_amrwb opencore-amrwb/dec_if.h D_IF_init -lopencore-amrwb

  6290. enabled libopencv         && { check_headers opencv2/core/core_c.h &&

  6291.                                { check_pkg_config libopencv opencv opencv2/core/core_c.h cvCreateImageHeader ||

  6292.                                  require libopencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||

  6293.                                require_pkg_config libopencv opencv opencv/cxcore.h cvCreateImageHeader; }

  6294. enabled libopenh264       && require_pkg_config libopenh264 openh264 wels/codec_api.h WelsGetCodecVersion

  6295. enabled libopenjpeg       && { check_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version ||

  6296.                                { require_pkg_config libopenjpeg "libopenjp2 >= 2.1.0" openjpeg.h opj_version -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } }

  6297. enabled libopenmpt        && require_pkg_config libopenmpt "libopenmpt >= 0.2.6557" libopenmpt/libopenmpt.h openmpt_module_create -lstdc++ && append libopenmpt_extralibs "-lstdc++"

  6298. enabled libopus           && {

  6299.     enabled libopus_decoder && {

  6300.         require_pkg_config libopus opus opus_multistream.h opus_multistream_decoder_create

  6301.     }

  6302.     enabled libopus_encoder && {

  6303.         require_pkg_config libopus opus opus_multistream.h opus_multistream_surround_encoder_create

  6304.     }

  6305. }

  6306. enabled libpulse          && require_pkg_config libpulse libpulse pulse/pulseaudio.h pa_context_new

  6307. enabled librav1e          && require_pkg_config librav1e "rav1e >= 0.1.0" rav1e.h rav1e_context_new

  6308. enabled librsvg           && require_pkg_config librsvg librsvg-2.0 librsvg-2.0/librsvg/rsvg.h rsvg_handle_render_cairo

  6309. enabled librtmp           && require_pkg_config librtmp librtmp librtmp/rtmp.h RTMP_Socket

  6310. enabled librubberband     && require_pkg_config librubberband "rubberband >= 1.8.1" rubberband/rubberband-c.h rubberband_new -lstdc++ && append librubberband_extralibs "-lstdc++"

  6311. enabled libshine          && require_pkg_config libshine shine shine/layer3.h shine_encode_buffer

  6312. enabled libsmbclient      && { check_pkg_config libsmbclient smbclient libsmbclient.h smbc_init ||

  6313.                                require libsmbclient libsmbclient.h smbc_init -lsmbclient; }

  6314. enabled libsnappy         && require libsnappy snappy-c.h snappy_compress -lsnappy -lstdc++

  6315. enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr

  6316. enabled libssh            && require_pkg_config libssh libssh libssh/sftp.h sftp_init

  6317. enabled libspeex          && require_pkg_config libspeex speex speex/speex.h speex_decoder_init

  6318. enabled libsrt            && require_pkg_config libsrt "srt >= 1.3.0" srt/srt.h srt_socket

  6319. enabled libtensorflow     && require libtensorflow tensorflow/c/c_api.h TF_Version -ltensorflow

  6320. enabled libtesseract      && require_pkg_config libtesseract tesseract tesseract/capi.h TessBaseAPICreate

  6321. enabled libtheora         && require libtheora theora/theoraenc.h th_info_init -ltheoraenc -ltheoradec -logg

  6322. enabled libtls            && require_pkg_config libtls libtls tls.h tls_configure

  6323. enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame &&

  6324.                              { check_lib libtwolame twolame.h twolame_encode_buffer_float32_interleaved -ltwolame ||

  6325.                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }

  6326. enabled libv4l2           && require_pkg_config libv4l2 libv4l2 libv4l2.h v4l2_ioctl

  6327. enabled libvidstab        && require_pkg_config libvidstab "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit

  6328. enabled libvmaf           && require_pkg_config libvmaf "libvmaf >= 1.3.9" libvmaf.h compute_vmaf

  6329. enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc

  6330. enabled libvorbis         && require_pkg_config libvorbis vorbis vorbis/codec.h vorbis_info_init &&

  6331.                              require_pkg_config libvorbisenc vorbisenc vorbis/vorbisenc.h vorbis_encode_init

  6332. 

  6333. enabled libvpx            && {

  6334.     enabled libvpx_vp8_decoder && {

  6335.         check_pkg_config libvpx_vp8_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp8_dx ||

  6336.             check_lib libvpx_vp8_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp8_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"

  6337.     }

  6338.     enabled libvpx_vp8_encoder && {

  6339.         check_pkg_config libvpx_vp8_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp8_cx ||

  6340.             check_lib libvpx_vp8_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp8_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"

  6341.     }

  6342.     enabled libvpx_vp9_decoder && {

  6343.         check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||

  6344.             check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"

  6345.     }

  6346.     enabled libvpx_vp9_encoder && {

  6347.         check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||

  6348.             check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"

  6349.     }

  6350.     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then

  6351.         die "libvpx enabled but no supported decoders found"

  6352.     fi

  6353. }

  6354. 

  6355. enabled libwavpack        && require libwavpack wavpack/wavpack.h WavpackOpenFileOutput  -lwavpack

  6356. enabled libwebp           && {

  6357.     enabled libwebp_encoder      && require_pkg_config libwebp "libwebp >= 0.2.0" webp/encode.h WebPGetEncoderVersion

  6358.     enabled libwebp_anim_encoder && check_pkg_config libwebp_anim_encoder "libwebpmux >= 0.4.0" webp/mux.h WebPAnimEncoderOptionsInit; }

  6359. enabled libx264           && { check_pkg_config libx264 x264 "stdint.h x264.h" x264_encoder_encode ||

  6360.                                { require libx264 "stdint.h x264.h" x264_encoder_encode "-lx264 $pthreads_extralibs $libm_extralibs" &&

  6361.                                  warn "using libx264 without pkg-config"; } } &&

  6362.                              require_cpp_condition libx264 x264.h "X264_BUILD >= 118" &&

  6363.                              check_cpp_condition libx262 x264.h "X264_MPEG2"

  6364. enabled libx265           && require_pkg_config libx265 x265 x265.h x265_api_get &&

  6365.                              require_cpp_condition libx265 x265.h "X265_BUILD >= 68"

  6366. enabled libxavs           && require libxavs "stdint.h xavs.h" xavs_encoder_encode "-lxavs $pthreads_extralibs $libm_extralibs"

  6367. enabled libxavs2          && require_pkg_config libxavs2 "xavs2 >= 1.3.0" "stdint.h xavs2.h" xavs2_api_get

  6368. enabled libxvid           && require libxvid xvid.h xvid_global -lxvidcore

  6369. enabled libzimg           && require_pkg_config libzimg "zimg >= 2.7.0" zimg.h zimg_get_api_version

  6370. enabled libzmq            && require_pkg_config libzmq "libzmq >= 4.2.1" zmq.h zmq_ctx_new

  6371. enabled libzvbi           && require_pkg_config libzvbi zvbi-0.2 libzvbi.h vbi_decoder_new &&

  6372.                              { test_cpp_condition libzvbi.h "VBI_VERSION_MAJOR > 0 || VBI_VERSION_MINOR > 2 || VBI_VERSION_MINOR == 2 && VBI_VERSION_MICRO >= 28" ||

  6373.                                enabled gpl || die "ERROR: libzvbi requires version 0.2.28 or --enable-gpl."; }

  6374. enabled libxml2           && require_pkg_config libxml2 libxml-2.0 libxml2/libxml/xmlversion.h xmlCheckVersion

  6375. enabled mbedtls           && { check_pkg_config mbedtls mbedtls mbedtls/x509_crt.h mbedtls_x509_crt_init ||

  6376.                                check_pkg_config mbedtls mbedtls mbedtls/ssl.h mbedtls_ssl_init ||

  6377.                                check_lib mbedtls mbedtls/ssl.h mbedtls_ssl_init -lmbedtls -lmbedx509 -lmbedcrypto ||

  6378.                                die "ERROR: mbedTLS not found"; }

  6379. enabled mediacodec        && { enabled jni || die "ERROR: mediacodec requires --enable-jni"; }

  6380. enabled mmal              && { check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host ||

  6381.                                { ! enabled cross_compile &&

  6382.                                  add_cflags -isystem/opt/vc/include/ -isystem/opt/vc/include/interface/vmcs_host/linux -isystem/opt/vc/include/interface/vcos/pthreads -fgnu89-inline &&

  6383.                                  add_ldflags -L/opt/vc/lib/ &&

  6384.                                  check_lib mmal interface/mmal/mmal.h mmal_port_connect -lmmal_core -lmmal_util -lmmal_vc_client -lbcm_host; } ||

  6385.                                die "ERROR: mmal not found" &&

  6386.                                check_func_headers interface/mmal/mmal.h "MMAL_PARAMETER_VIDEO_MAX_NUM_CALLBACKS"; }

  6387. enabled openal            && { { for al_extralibs in "${OPENAL_LIBS}" "-lopenal" "-lOpenAL32"; do

  6388.                                check_lib openal 'AL/al.h' alGetError "${al_extralibs}" && break; done } ||

  6389.                                die "ERROR: openal not found"; } &&

  6390.                              { test_cpp_condition "AL/al.h" "defined(AL_VERSION_1_1)" ||

  6391.                                die "ERROR: openal must be installed and version must be 1.1 or compatible"; }

  6392. enabled opencl            && { check_pkg_config opencl OpenCL CL/cl.h clEnqueueNDRangeKernel ||

  6393.                                check_lib opencl OpenCL/cl.h clEnqueueNDRangeKernel -Wl,-framework,OpenCL ||

  6394.                                check_lib opencl CL/cl.h clEnqueueNDRangeKernel -lOpenCL ||

  6395.                                die "ERROR: opencl not found"; } &&

  6396.                              { test_cpp_condition "OpenCL/cl.h" "defined(CL_VERSION_1_2)" ||

  6397.                                test_cpp_condition "CL/cl.h" "defined(CL_VERSION_1_2)" ||

  6398.                                die "ERROR: opencl must be installed and version must be 1.2 or compatible"; }

  6399. enabled opengl            && { check_lib opengl GL/glx.h glXGetProcAddress "-lGL" ||

  6400.                                check_lib opengl windows.h wglGetProcAddress "-lopengl32 -lgdi32" ||

  6401.                                check_lib opengl OpenGL/gl3.h glGetError "-Wl,-framework,OpenGL" ||

  6402.                                check_lib opengl ES2/gl.h glGetError "-isysroot=${sysroot} -Wl,-framework,OpenGLES" ||

  6403.                                die "ERROR: opengl not found."

  6404.                              }

  6405. enabled omx_rpi           && { test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame ||

  6406.                                { ! enabled cross_compile &&

  6407.                                  add_cflags -isystem/opt/vc/include/IL &&

  6408.                                  test_code cc OMX_Core.h OMX_IndexConfigBrcmVideoRequestIFrame; } ||

  6409.                                die "ERROR: OpenMAX IL headers from raspberrypi/firmware not found"; } &&

  6410.                              enable omx

  6411. enabled omx               && require_headers OMX_Core.h

  6412. enabled openssl           && { check_pkg_config openssl openssl openssl/ssl.h OPENSSL_init_ssl ||

  6413.                                check_pkg_config openssl openssl openssl/ssl.h SSL_library_init ||

  6414.                                check_lib openssl openssl/ssl.h OPENSSL_init_ssl -lssl -lcrypto ||

  6415.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto ||

  6416.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl32 -leay32 ||

  6417.                                check_lib openssl openssl/ssl.h SSL_library_init -lssl -lcrypto -lws2_32 -lgdi32 ||

  6418.                                die "ERROR: openssl not found"; }

  6419. enabled pocketsphinx      && require_pkg_config pocketsphinx pocketsphinx pocketsphinx/pocketsphinx.h ps_init

  6420. enabled rkmpp             && { require_pkg_config rkmpp rockchip_mpp  rockchip/rk_mpi.h mpp_create &&

  6421.                                require_pkg_config rockchip_mpp "rockchip_mpp >= 1.3.7" rockchip/rk_mpi.h mpp_create &&

  6422.                                { enabled libdrm ||

  6423.                                  die "ERROR: rkmpp requires --enable-libdrm"; }

  6424.                              }

  6425. enabled vapoursynth       && require_pkg_config vapoursynth "vapoursynth-script >= 42" VSScript.h vsscript_init

  6426. 

  6427. 

  6428. if enabled gcrypt; then

  6429.     GCRYPT_CONFIG="${cross_prefix}libgcrypt-config"

  6430.     if "${GCRYPT_CONFIG}" --version > /dev/null 2>&1; then

  6431.         gcrypt_cflags=$("${GCRYPT_CONFIG}" --cflags)

  6432.         gcrypt_extralibs=$("${GCRYPT_CONFIG}" --libs)

  6433.         check_func_headers gcrypt.h gcry_mpi_new $gcrypt_cflags $gcrypt_extralibs ||

  6434.             die "ERROR: gcrypt not found"

  6435.         add_cflags $gcrypt_cflags

  6436.     else

  6437.         require gcrypt gcrypt.h gcry_mpi_new -lgcrypt

  6438.     fi

  6439. fi

  6440. 

  6441. if enabled sdl2; then

  6442.     SDL2_CONFIG="${cross_prefix}sdl2-config"

  6443.     test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent

  6444.     if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then

  6445.         sdl2_cflags=$("${SDL2_CONFIG}" --cflags)

  6446.         sdl2_extralibs=$("${SDL2_CONFIG}" --libs)

  6447.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&

  6448.         test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&

  6449.         check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&

  6450.             enable sdl2

  6451.     fi

  6452.     if test $target_os = "mingw32"; then

  6453.         sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)

  6454.     fi

  6455. fi

  6456. 

  6457. if enabled decklink; then

  6458.     case $target_os in

  6459.         mingw32*|mingw64*|win32|win64)

  6460.             decklink_outdev_extralibs="$decklink_outdev_extralibs -lole32 -loleaut32"

  6461.             decklink_indev_extralibs="$decklink_indev_extralibs -lole32 -loleaut32"

  6462.             ;;

  6463.     esac

  6464. fi

  6465. 

  6466. enabled securetransport &&

  6467.     check_func SecIdentityCreate "-Wl,-framework,CoreFoundation -Wl,-framework,Security" &&

  6468.     check_lib securetransport "Security/SecureTransport.h Security/Security.h" "SSLCreateContext" "-Wl,-framework,CoreFoundation -Wl,-framework,Security" ||

  6469.         disable securetransport

  6470. 

  6471. enabled securetransport &&

  6472.     check_func SecItemImport "-Wl,-framework,CoreFoundation -Wl,-framework,Security"

  6473. 

  6474. enabled schannel &&

  6475.     check_func_headers "windows.h security.h" InitializeSecurityContext -DSECURITY_WIN32 -lsecur32 &&

  6476.     test_cpp_condition winerror.h "defined(SEC_I_CONTEXT_EXPIRED)" &&

  6477.     schannel_extralibs="-lsecur32" ||

  6478.         disable schannel

  6479. 

  6480. makeinfo --version > /dev/null 2>&1 && enable makeinfo  || disable makeinfo

  6481. enabled makeinfo \

  6482.     && [ 0$(makeinfo --version | grep "texinfo" | sed 's/.*texinfo[^0-9]*\([0-9]*\)\..*/\1/') -ge 5 ] \

  6483.     && enable makeinfo_html || disable makeinfo_html

  6484. disabled makeinfo_html && texi2html --help 2> /dev/null | grep -q 'init-file' && enable texi2html || disable texi2html

  6485. perl -v            > /dev/null 2>&1 && enable perl      || disable perl

  6486. pod2man --help     > /dev/null 2>&1 && enable pod2man   || disable pod2man

  6487. rsync --help 2> /dev/null | grep -q 'contimeout' && enable rsync_contimeout || disable rsync_contimeout

  6488. 

  6489. # check V4L2 codecs available in the API

  6490. if enabled v4l2_m2m; then

  6491.     check_headers linux/fb.h

  6492.     check_headers linux/videodev2.h

  6493.     test_code cc linux/videodev2.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6494.     check_cc v4l2_m2m linux/videodev2.h "int i = V4L2_CAP_VIDEO_M2M_MPLANE | V4L2_CAP_VIDEO_M2M | V4L2_BUF_FLAG_LAST;"

  6495.     check_cc vc1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VC1_ANNEX_G;"

  6496.     check_cc mpeg1_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG1;"

  6497.     check_cc mpeg2_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG2;"

  6498.     check_cc mpeg4_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_MPEG4;"

  6499.     check_cc hevc_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_HEVC;"

  6500.     check_cc h263_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H263;"

  6501.     check_cc h264_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_H264;"

  6502.     check_cc vp8_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP8;"

  6503.     check_cc vp9_v4l2_m2m linux/videodev2.h "int i = V4L2_PIX_FMT_VP9;"

  6504. fi

  6505. 

  6506. check_headers sys/videoio.h

  6507. test_code cc sys/videoio.h "struct v4l2_frmsizeenum vfse; vfse.discrete.width = 0;" && enable_sanitized struct_v4l2_frmivalenum_discrete

  6508. 

  6509. check_lib user32 "windows.h winuser.h" GetShellWindow -luser32

  6510. check_lib vfw32 "windows.h vfw.h" capCreateCaptureWindow -lvfw32

  6511. # check that WM_CAP_DRIVER_CONNECT is defined to the proper value

  6512. # w32api 3.12 had it defined wrong

  6513. check_cpp_condition vfwcap_defines vfw.h "WM_CAP_DRIVER_CONNECT > WM_USER"

  6514. 

  6515. check_type "dshow.h" IBaseFilter

  6516. 

  6517. # check for ioctl_meteor.h, ioctl_bt848.h and alternatives

  6518. check_headers "dev/bktr/ioctl_meteor.h dev/bktr/ioctl_bt848.h"                   ||

  6519.     check_headers "machine/ioctl_meteor.h machine/ioctl_bt848.h"                 ||

  6520.     check_headers "dev/video/meteor/ioctl_meteor.h dev/video/bktr/ioctl_bt848.h" ||

  6521.     check_headers "dev/ic/bt8xx.h"

  6522. 

  6523. if check_struct sys/soundcard.h audio_buf_info bytes; then

  6524.     enable_sanitized sys/soundcard.h

  6525. else

  6526.     test_cc -D__BSD_VISIBLE -D__XSI_VISIBLE <<EOF && add_cppflags -D__BSD_VISIBLE -D__XSI_VISIBLE && enable_sanitized sys/soundcard.h

  6527.     #include <sys/soundcard.h>

  6528.     audio_buf_info abc;

  6529. EOF

  6530. fi

  6531. 

  6532. enabled alsa && { check_pkg_config alsa alsa "alsa/asoundlib.h" snd_pcm_htimestamp ||

  6533.                   check_lib alsa alsa/asoundlib.h snd_pcm_htimestamp -lasound; }

  6534. 

  6535. enabled libjack &&

  6536.     require_pkg_config libjack jack jack/jack.h jack_port_get_latency_range

  6537. 

  6538. enabled sndio && check_lib sndio sndio.h sio_open -lsndio

  6539. 

  6540. if enabled libcdio; then

  6541.     check_pkg_config libcdio libcdio_paranoia "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open ||

  6542.     check_pkg_config libcdio libcdio_paranoia "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open ||

  6543.     check_lib libcdio "cdio/cdda.h cdio/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6544.     check_lib libcdio "cdio/paranoia/cdda.h cdio/paranoia/paranoia.h" cdio_cddap_open -lcdio_paranoia -lcdio_cdda -lcdio ||

  6545.     die "ERROR: No usable libcdio/cdparanoia found"

  6546. fi

  6547. 

  6548. enabled libxcb && check_pkg_config libxcb "xcb >= 1.4" xcb/xcb.h xcb_connect ||

  6549.     disable libxcb_shm libxcb_shape libxcb_xfixes

  6550. 

  6551. if enabled libxcb; then

  6552.     enabled libxcb_shm    && check_pkg_config libxcb_shm    xcb-shm    xcb/shm.h    xcb_shm_attach

  6553.     enabled libxcb_shape  && check_pkg_config libxcb_shape  xcb-shape  xcb/shape.h  xcb_shape_get_rectangles

  6554.     enabled libxcb_xfixes && check_pkg_config libxcb_xfixes xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image

  6555. fi

  6556. 

  6557. check_func_headers "windows.h" CreateDIBSection "$gdigrab_indev_extralibs"

  6558. 

  6559. # d3d11va requires linking directly to dxgi and d3d11 if not building for

  6560. # the desktop api partition

  6561. test_cpp <<EOF && enable uwp && d3d11va_extralibs="-ldxgi -ld3d11"

  6562. #ifdef WINAPI_FAMILY

  6563. #include <winapifamily.h>

  6564. #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

  6565. #error desktop, not uwp

  6566. #else

  6567. // WINAPI_FAMILY_APP, WINAPI_FAMILY_PHONE_APP => UWP

  6568. #endif

  6569. #else

  6570. #error no family set

  6571. #endif

  6572. EOF

  6573. 

  6574. enabled vaapi &&

  6575.     check_pkg_config vaapi "libva >= 0.35.0" "va/va.h" vaInitialize

  6576. 

  6577. if enabled vaapi; then

  6578.     check_pkg_config vaapi_drm "libva-drm" "va/va_drm.h" vaGetDisplayDRM

  6579. 

  6580.     if enabled xlib; then

  6581.         check_pkg_config vaapi_x11 "libva-x11" "va/va_x11.h" vaGetDisplay

  6582.     fi

  6583. 

  6584.     check_cpp_condition vaapi_1 "va/va.h" "VA_CHECK_VERSION(1, 0, 0)"

  6585. 

  6586.     check_type "va/va.h va/va_dec_hevc.h" "VAPictureParameterBufferHEVC"

  6587.     check_struct "va/va.h" "VADecPictureParameterBufferVP9" bit_depth

  6588.     check_struct "va/va.h va/va_vpp.h" "VAProcPipelineParameterBuffer" output_hdr_metadata

  6589.     check_struct "va/va.h va/va_vpp.h" "VAProcPipelineCaps" rotation_flags

  6590.     check_type "va/va.h va/va_enc_hevc.h" "VAEncPictureParameterBufferHEVC"

  6591.     check_type "va/va.h va/va_enc_jpeg.h" "VAEncPictureParameterBufferJPEG"

  6592.     check_type "va/va.h va/va_enc_vp8.h"  "VAEncPictureParameterBufferVP8"

  6593.     check_type "va/va.h va/va_enc_vp9.h"  "VAEncPictureParameterBufferVP9"

  6594. fi

  6595. 

  6596. if enabled_all opencl libdrm ; then

  6597.     check_type "CL/cl_intel.h" "clCreateImageFromFdINTEL_fn" &&

  6598.         enable opencl_drm_beignet

  6599.     check_func_headers "CL/cl_ext.h" clImportMemoryARM &&

  6600.         enable opencl_drm_arm

  6601. fi

  6602. 

  6603. if enabled_all opencl vaapi ; then

  6604.     if enabled opencl_drm_beignet ; then

  6605.         enable opencl_vaapi_beignet

  6606.     else

  6607.         check_type "CL/cl.h CL/cl_va_api_media_sharing_intel.h" "clCreateFromVA_APIMediaSurfaceINTEL_fn" &&

  6608.             enable opencl_vaapi_intel_media

  6609.     fi

  6610. fi

  6611. 

  6612. if enabled_all opencl dxva2 ; then

  6613.     check_type "CL/cl_dx9_media_sharing.h" cl_dx9_surface_info_khr &&

  6614.         enable opencl_dxva2

  6615. fi

  6616. 

  6617. if enabled_all opencl d3d11va ; then

  6618.     check_type "CL/cl_d3d11.h" clGetDeviceIDsFromD3D11KHR_fn &&

  6619.         enable opencl_d3d11

  6620. fi

  6621. 

  6622. enabled vdpau &&

  6623.     check_cpp_condition vdpau vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP"

  6624. 

  6625. enabled vdpau &&

  6626.     check_lib vdpau_x11 "vdpau/vdpau.h vdpau/vdpau_x11.h" vdp_device_create_x11 -lvdpau -lX11

  6627. 

  6628. enabled crystalhd && check_lib crystalhd "stdint.h libcrystalhd/libcrystalhd_if.h" DtsCrystalHDVersion -lcrystalhd

  6629. 

  6630. if enabled x86; then

  6631.     case $target_os in

  6632.         mingw32*|mingw64*|win32|win64|linux|cygwin*)

  6633.             ;;

  6634.         *)

  6635.             disable ffnvcodec cuvid nvdec nvenc

  6636.             ;;

  6637.     esac

  6638. elif enabled ppc64 && ! enabled bigendian; then

  6639.     case $target_os in

  6640.         linux)

  6641.             ;;

  6642.         *)

  6643.             disable ffnvcodec cuvid nvdec nvenc

  6644.             ;;

  6645.     esac

  6646. else

  6647.     disable ffnvcodec cuvid nvdec nvenc

  6648. fi

  6649. 

  6650. enabled ffnvcodec && enable cuda

  6651. 

  6652. enabled nvenc &&

  6653.     test_cc -I$source_path <<EOF || disable nvenc

  6654. #include <ffnvcodec/nvEncodeAPI.h>

  6655. NV_ENCODE_API_FUNCTION_LIST flist;

  6656. void f(void) { struct { const GUID guid; } s[] = { { NV_ENC_PRESET_HQ_GUID } }; }

  6657. int main(void) { return 0; }

  6658. EOF

  6659. 

  6660. enabled amf &&

  6661.     check_cpp_condition amf "AMF/core/Version.h" \

  6662.         "(AMF_VERSION_MAJOR << 48 | AMF_VERSION_MINOR << 32 | AMF_VERSION_RELEASE << 16 | AMF_VERSION_BUILD_NUM) >= 0x0001000400090000"

  6663. 

  6664. # Funny iconv installations are not unusual, so check it after all flags have been set

  6665. if enabled libc_iconv; then

  6666.     check_func_headers iconv.h iconv

  6667. elif enabled iconv; then

  6668.     check_func_headers iconv.h iconv || check_lib iconv iconv.h iconv -liconv

  6669. fi

  6670. 

  6671. enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"

  6672. 

  6673. # add some useful compiler flags if supported

  6674. check_cflags -Wdeclaration-after-statement

  6675. check_cflags -Wall

  6676. check_cflags -Wdisabled-optimization

  6677. check_cflags -Wpointer-arith

  6678. check_cflags -Wredundant-decls

  6679. check_cflags -Wwrite-strings

  6680. check_cflags -Wtype-limits

  6681. check_cflags -Wundef

  6682. check_cflags -Wmissing-prototypes

  6683. check_cflags -Wno-pointer-to-int-cast

  6684. check_cflags -Wstrict-prototypes

  6685. check_cflags -Wempty-body

  6686. 

  6687. if enabled extra_warnings; then

  6688.     check_cflags -Wcast-qual

  6689.     check_cflags -Wextra

  6690.     check_cflags -Wpedantic

  6691. fi

  6692. 

  6693. check_disable_warning(){

  6694.     warning_flag=-W${1#-Wno-}

  6695.     test_cflags $unknown_warning_flags $warning_flag && add_cflags $1

  6696. }

  6697. 

  6698. test_cflags -Werror=unused-command-line-argument &&

  6699.     append unknown_warning_flags "-Werror=unused-command-line-argument"

  6700. test_cflags -Werror=unknown-warning-option &&

  6701.     append unknown_warning_flags "-Werror=unknown-warning-option"

  6702. 

  6703. check_disable_warning -Wno-parentheses

  6704. check_disable_warning -Wno-switch

  6705. check_disable_warning -Wno-format-zero-length

  6706. check_disable_warning -Wno-pointer-sign

  6707. check_disable_warning -Wno-unused-const-variable

  6708. check_disable_warning -Wno-bool-operation

  6709. check_disable_warning -Wno-char-subscripts

  6710. 

  6711. check_disable_warning_headers(){

  6712.     warning_flag=-W${1#-Wno-}

  6713.     test_cflags $warning_flag && add_cflags_headers $1

  6714. }

  6715. 

  6716. check_disable_warning_headers -Wno-deprecated-declarations

  6717. check_disable_warning_headers -Wno-unused-variable

  6718. 

  6719. test_cc <<EOF && enable blocks_extension

  6720. void (^block)(void);

  6721. EOF

  6722. 

  6723. # add some linker flags

  6724. check_ldflags -Wl,--warn-common

  6725. check_ldflags -Wl,-rpath-link=:libpostproc:libswresample:libswscale:libavfilter:libavdevice:libavformat:libavcodec:libavutil:libavresample

  6726. enabled rpath && add_ldexeflags -Wl,-rpath,$libdir && add_ldsoflags -Wl,-rpath,$libdir

  6727. test_ldflags -Wl,-Bsymbolic && append SHFLAGS -Wl,-Bsymbolic

  6728. 

  6729. # add some strip flags

  6730. check_stripflags -x

  6731. 

  6732. enabled neon_clobber_test &&

  6733.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6734.                   -Wl,--wrap,avcodec_decode_audio4      \

  6735.                   -Wl,--wrap,avcodec_decode_video2      \

  6736.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6737.                   -Wl,--wrap,avcodec_encode_audio2      \

  6738.                   -Wl,--wrap,avcodec_encode_video2      \

  6739.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6740.                   -Wl,--wrap,avcodec_send_packet        \

  6741.                   -Wl,--wrap,avcodec_receive_packet     \

  6742.                   -Wl,--wrap,avcodec_send_frame         \

  6743.                   -Wl,--wrap,avcodec_receive_frame      \

  6744.                   -Wl,--wrap,swr_convert                \

  6745.                   -Wl,--wrap,avresample_convert ||

  6746.     disable neon_clobber_test

  6747. 

  6748. enabled xmm_clobber_test &&

  6749.     check_ldflags -Wl,--wrap,avcodec_open2              \

  6750.                   -Wl,--wrap,avcodec_decode_audio4      \

  6751.                   -Wl,--wrap,avcodec_decode_video2      \

  6752.                   -Wl,--wrap,avcodec_decode_subtitle2   \

  6753.                   -Wl,--wrap,avcodec_encode_audio2      \

  6754.                   -Wl,--wrap,avcodec_encode_video2      \

  6755.                   -Wl,--wrap,avcodec_encode_subtitle    \

  6756.                   -Wl,--wrap,avcodec_send_packet        \

  6757.                   -Wl,--wrap,avcodec_receive_packet     \

  6758.                   -Wl,--wrap,avcodec_send_frame         \

  6759.                   -Wl,--wrap,avcodec_receive_frame      \

  6760.                   -Wl,--wrap,swr_convert                \

  6761.                   -Wl,--wrap,avresample_convert         \

  6762.                   -Wl,--wrap,sws_scale ||

  6763.     disable xmm_clobber_test

  6764. 

  6765. check_ld "cc" proper_dce <<EOF

  6766. extern const int array[512];

  6767. static inline int func(void) { return array[0]; }

  6768. int main(void) { return 0; }

  6769. EOF

  6770. 

  6771. if enabled proper_dce; then

  6772.     echo "X { local: *; };" > $TMPV

  6773.     if test_ldflags -Wl,${version_script},$TMPV; then

  6774.         append SHFLAGS '-Wl,${version_script},\$(SUBDIR)lib\$(NAME).ver'

  6775.         quotes='""'

  6776.         test_cc <<EOF && enable symver_asm_label

  6777. void ff_foo(void) __asm__ ("av_foo@VERSION");

  6778. void ff_foo(void) { ${inline_asm+__asm__($quotes);} }

  6779. EOF

  6780.         test_cc <<EOF && enable symver_gnu_asm

  6781. __asm__(".symver ff_foo,av_foo@VERSION");

  6782. void ff_foo(void) {}

  6783. EOF

  6784.     fi

  6785. fi

  6786. 

  6787. if [ -z "$optflags" ]; then

  6788.     if enabled small; then

  6789.         optflags=$cflags_size

  6790.     elif enabled optimizations; then

  6791.         optflags=$cflags_speed

  6792.     else

  6793.         optflags=$cflags_noopt

  6794.     fi

  6795. fi

  6796. 

  6797. check_optflags(){

  6798.     check_cflags "$@"

  6799.     enabled lto && check_ldflags "$@"

  6800. }

  6801. 

  6802. check_optflags $optflags

  6803. check_optflags -fno-math-errno

  6804. check_optflags -fno-signed-zeros

  6805. 

  6806. if enabled lto; then

  6807.     test "$cc_type" != "$ld_type" && die "LTO requires same compiler and linker"

  6808.     check_cflags  -flto

  6809.     check_ldflags -flto $cpuflags

  6810.     disable inline_asm_direct_symbol_refs

  6811. fi

  6812. 

  6813. enabled ftrapv && check_cflags -ftrapv

  6814. 

  6815. test_cc -mno-red-zone <<EOF && noredzone_flags="-mno-red-zone"

  6816. int x;

  6817. EOF

  6818. 

  6819. 

  6820. if enabled icc; then

  6821.     # Just warnings, no remarks

  6822.     check_cflags -w1

  6823.     # -wd: Disable following warnings

  6824.     # 144, 167, 556: -Wno-pointer-sign

  6825.     # 188: enumerated type mixed with another type

  6826.     # 1292: attribute "foo" ignored

  6827.     # 1419: external declaration in primary source file

  6828.     # 10006: ignoring unknown option -fno-signed-zeros

  6829.     # 10148: ignoring unknown option -Wno-parentheses

  6830.     # 10156: ignoring option '-W'; no argument required

  6831.     # 13200: No EMMS instruction before call to function

  6832.     # 13203: No EMMS instruction before return from function

  6833.     check_cflags -wd144,167,188,556,1292,1419,10006,10148,10156,13200,13203

  6834.     # 11030: Warning unknown option --as-needed

  6835.     # 10156: ignoring option '-export'; no argument required

  6836.     check_ldflags -wd10156,11030

  6837.     # icc 11.0 and 11.1 work with ebp_available, but don't pass the test

  6838.     enable ebp_available

  6839.     # The test above does not test linking

  6840.     enabled lto && disable symver_asm_label

  6841.     if enabled x86_32; then

  6842.         icc_version=$($cc -dumpversion)

  6843.         test ${icc_version%%.*} -ge 11 &&

  6844.             check_cflags -falign-stack=maintain-16-byte ||

  6845.             disable aligned_stack

  6846.     fi

  6847. elif enabled gcc; then

  6848.     check_optflags -fno-tree-vectorize

  6849.     check_cflags -Werror=format-security

  6850.     check_cflags -Werror=implicit-function-declaration

  6851.     check_cflags -Werror=missing-prototypes

  6852.     check_cflags -Werror=return-type

  6853.     check_cflags -Werror=vla

  6854.     check_cflags -Wformat

  6855.     check_cflags -fdiagnostics-color=auto

  6856.     enabled extra_warnings || check_disable_warning -Wno-maybe-uninitialized

  6857.     if enabled x86_32; then

  6858.         case $target_os in

  6859.         *bsd*)

  6860.             # BSDs don't guarantee a 16 byte aligned stack, but we can

  6861.             # request GCC to try to maintain 16 byte alignment throughout

  6862.             # function calls. Library entry points that might call assembly

  6863.             # functions align the stack. (The parameter means 2^4 bytes.)

  6864.             check_cflags -mpreferred-stack-boundary=4

  6865.             ;;

  6866.         esac

  6867.     fi

  6868. elif enabled llvm_gcc; then

  6869.     check_cflags -mllvm -stack-alignment=16

  6870. elif enabled clang; then

  6871.     if enabled x86_32; then

  6872.         # Clang doesn't support maintaining alignment without assuming the

  6873.         # same alignment in every function. If 16 byte alignment would be

  6874.         # enabled, one would also have to either add attribute_align_arg on

  6875.         # every single entry point into the libraries or enable -mstackrealign

  6876.         # (doing stack realignment in every single function).

  6877.         case $target_os in

  6878.         mingw32|win32|*bsd*)

  6879.             disable aligned_stack

  6880.             ;;

  6881.         *)

  6882.             check_cflags -mllvm -stack-alignment=16

  6883.             check_cflags -mstack-alignment=16

  6884.             ;;

  6885.         esac

  6886.     else

  6887.         check_cflags -mllvm -stack-alignment=16

  6888.         check_cflags -mstack-alignment=16

  6889.     fi

  6890.     check_cflags -Qunused-arguments

  6891.     check_cflags -Werror=implicit-function-declaration

  6892.     check_cflags -Werror=missing-prototypes

  6893.     check_cflags -Werror=return-type

  6894. elif enabled cparser; then

  6895.     add_cflags -Wno-missing-variable-declarations

  6896.     add_cflags -Wno-empty-statement

  6897. elif enabled armcc; then

  6898.     add_cflags -W${armcc_opt},--diag_suppress=4343 # hardfp compat

  6899.     add_cflags -W${armcc_opt},--diag_suppress=3036 # using . as system include dir

  6900.     # 2523: use of inline assembly is deprecated

  6901.     add_cflags -W${armcc_opt},--diag_suppress=2523

  6902.     add_cflags -W${armcc_opt},--diag_suppress=1207

  6903.     add_cflags -W${armcc_opt},--diag_suppress=1293 # assignment in condition

  6904.     add_cflags -W${armcc_opt},--diag_suppress=3343 # hardfp compat

  6905.     add_cflags -W${armcc_opt},--diag_suppress=167  # pointer sign

  6906.     add_cflags -W${armcc_opt},--diag_suppress=513  # pointer sign

  6907. elif enabled pathscale; then

  6908.     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF

  6909.     disable inline_asm

  6910. elif enabled_any msvc icl; then

  6911.     enabled x86_32 && disable aligned_stack

  6912.     enabled_all x86_32 debug && add_cflags -Oy-

  6913.     enabled debug && add_ldflags -debug

  6914.     enable pragma_deprecated

  6915.     if enabled icl; then

  6916.         # -Qansi-alias is basically -fstrict-aliasing, but does not work

  6917.         # (correctly) on icl 13.x.

  6918.         test_cpp_condition "windows.h" "__ICL < 1300 || __ICL >= 1400" &&

  6919.             add_cflags -Qansi-alias

  6920.         # Some inline asm is not compilable in debug

  6921.         if enabled debug; then

  6922.             disable ebp_available

  6923.             disable ebx_available

  6924.         fi

  6925.     fi

  6926.     # msvcrt10 x64 incorrectly enables log2, only msvcrt12 (MSVC 2013) onwards actually has log2.

  6927.     check_cpp_condition log2 crtversion.h "_VC_CRT_MAJOR_VERSION >= 12"

  6928.     # The CRT headers contain __declspec(restrict) in a few places, but if redefining

  6929.     # restrict, this might break. MSVC 2010 and 2012 fail with __declspec(__restrict)

  6930.     # (as it ends up if the restrict redefine is done before including stdlib.h), while

  6931.     # MSVC 2013 and newer can handle it fine.

  6932.     # If this declspec fails, force including stdlib.h before the restrict redefinition

  6933.     # happens in config.h.

  6934.     if [ $restrict_keyword != restrict ]; then

  6935.         test_cc <<EOF || add_cflags -FIstdlib.h

  6936. __declspec($restrict_keyword) void *foo(int);

  6937. EOF

  6938.     fi

  6939.     # the new SSA optimzer in VS2015 U3 is mis-optimizing some parts of the code

  6940.     # Issue has been fixed in MSVC v19.00.24218.

  6941.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190024218" ||

  6942.         check_cflags -d2SSAOptimizer-

  6943.     # enable utf-8 source processing on VS2015 U2 and newer

  6944.     test_cpp_condition windows.h "_MSC_FULL_VER >= 190023918" &&

  6945.         add_cflags -utf-8

  6946. fi

  6947. 

  6948. for pfx in "" host_; do

  6949.     varname=${pfx%_}cc_type

  6950.     eval "type=\$$varname"

  6951.     if [ "$type" = "msvc" ]; then

  6952.         test_${pfx}cc <<EOF || add_${pfx}cflags -Dinline=__inline

  6953. static inline int foo(int a) { return a; }

  6954. EOF

  6955.     fi

  6956. done

  6957. 

  6958. case $as_type in

  6959.     clang)

  6960.         add_asflags -Qunused-arguments

  6961.     ;;

  6962. esac

  6963. 

  6964. case $ld_type in

  6965.     clang)

  6966.         check_ldflags -Qunused-arguments

  6967.     ;;

  6968. esac

  6969. 

  6970. enable frame_thread_encoder

  6971. 

  6972. enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }

  6973. 

  6974. check_deps $CONFIG_LIST       \

  6975.            $CONFIG_EXTRA      \

  6976.            $HAVE_LIST         \

  6977.            $ALL_COMPONENTS    \

  6978. 

  6979. enabled threads && ! enabled pthreads && ! enabled atomics_native && die "non pthread threading without atomics not supported, try adding --enable-pthreads or --cpu=i486 or higher if you are on x86"

  6980. enabled avresample && warn "Building with deprecated library libavresample"

  6981. 

  6982. case $target_os in

  6983. haiku)

  6984.     disable memalign

  6985.     disable posix_memalign

  6986.     ;;

  6987. *-dos|freedos|opendos)

  6988.     if test_cpp_condition sys/version.h "defined(__DJGPP__) && __DJGPP__ == 2 && __DJGPP_MINOR__ == 5"; then

  6989.         disable memalign

  6990.     fi

  6991.     ;;

  6992. esac

  6993. 

  6994. flatten_extralibs(){

  6995.     nested_entries=

  6996.     list_name=$1

  6997.     eval list=\$${1}

  6998.     for entry in $list; do

  6999.         entry_copy=$entry

  7000.         resolve entry_copy

  7001.         flat_entries=

  7002.         for e in $entry_copy; do

  7003.             case $e in

  7004.                 *_extralibs) nested_entries="$nested_entries$e ";;

  7005.                           *) flat_entries="$flat_entries$e ";;

  7006.             esac

  7007.         done

  7008.         eval $entry="\$flat_entries"

  7009.     done

  7010.     append $list_name "$nested_entries"

  7011. 

  7012.     resolve nested_entries

  7013.     if test -n "$(filter '*_extralibs' $nested_entries)"; then

  7014.         flatten_extralibs $list_name

  7015.     fi

  7016. }

  7017. 

  7018. flatten_extralibs_wrapper(){

  7019.     list_name=$1

  7020.     flatten_extralibs $list_name

  7021.     unique $list_name

  7022.     resolve $list_name

  7023.     eval $list_name=\$\(\$ldflags_filter \$$list_name\)

  7024.     eval printf \''%s'\' \""\$$list_name"\"

  7025. }

  7026. 

  7027. for linkunit in $LIBRARY_LIST; do

  7028.     unset current_extralibs

  7029.     eval components=\$$(toupper ${linkunit})_COMPONENTS_LIST

  7030.     for comp in ${components}; do

  7031.         enabled $comp || continue

  7032.         comp_extralibs="${comp}_extralibs"

  7033.         append current_extralibs $comp_extralibs

  7034.     done

  7035.     eval prepend ${linkunit}_extralibs $current_extralibs

  7036. done

  7037. 

  7038. for linkunit in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7039.     eval ${linkunit}_extralibs=\$\(flatten_extralibs_wrapper ${linkunit}_extralibs\)

  7040. done

  7041. 

  7042. map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST

  7043. 

  7044. for thread in $THREADS_LIST; do

  7045.     if enabled $thread; then

  7046.         test -n "$thread_type" &&

  7047.             die "ERROR: Only one thread type must be selected." ||

  7048.             thread_type="$thread"

  7049.     fi

  7050. done

  7051. 

  7052. if disabled stdatomic; then

  7053.     if enabled atomics_gcc; then

  7054.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/gcc'

  7055.     elif enabled atomics_win32; then

  7056.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/win32'

  7057.     elif enabled atomics_suncc; then

  7058.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/suncc'

  7059.     elif enabled pthreads; then

  7060.         add_compat atomics/pthread/stdatomic.o

  7061.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/pthread'

  7062.     else

  7063.         enabled threads && die "Threading is enabled, but no atomics are available"

  7064.         add_cppflags '-I\$(SRC_PATH)/compat/atomics/dummy'

  7065.     fi

  7066. fi

  7067. 

  7068. # Check if requested libraries were found.

  7069. for lib in $AUTODETECT_LIBS; do

  7070.     requested $lib && ! enabled $lib && die "ERROR: $lib requested but not found";

  7071. done

  7072. 

  7073. enabled zlib && add_cppflags -DZLIB_CONST

  7074. 

  7075. # conditional library dependencies, in any order

  7076. enabled afftdn_filter       && prepend avfilter_deps "avcodec"

  7077. enabled afftfilt_filter     && prepend avfilter_deps "avcodec"

  7078. enabled afir_filter         && prepend avfilter_deps "avcodec"

  7079. enabled amovie_filter       && prepend avfilter_deps "avformat avcodec"

  7080. enabled aresample_filter    && prepend avfilter_deps "swresample"

  7081. enabled atempo_filter       && prepend avfilter_deps "avcodec"

  7082. enabled bm3d_filter         && prepend avfilter_deps "avcodec"

  7083. enabled cover_rect_filter   && prepend avfilter_deps "avformat avcodec"

  7084. enabled convolve_filter     && prepend avfilter_deps "avcodec"

  7085. enabled deconvolve_filter   && prepend avfilter_deps "avcodec"

  7086. enabled ebur128_filter && enabled swresample && prepend avfilter_deps "swresample"

  7087. enabled elbg_filter         && prepend avfilter_deps "avcodec"

  7088. enabled fftfilt_filter      && prepend avfilter_deps "avcodec"

  7089. enabled find_rect_filter    && prepend avfilter_deps "avformat avcodec"

  7090. enabled firequalizer_filter && prepend avfilter_deps "avcodec"

  7091. enabled mcdeint_filter      && prepend avfilter_deps "avcodec"

  7092. enabled movie_filter    && prepend avfilter_deps "avformat avcodec"

  7093. enabled pan_filter          && prepend avfilter_deps "swresample"

  7094. enabled pp_filter           && prepend avfilter_deps "postproc"

  7095. enabled removelogo_filter   && prepend avfilter_deps "avformat avcodec swscale"

  7096. enabled resample_filter && prepend avfilter_deps "avresample"

  7097. enabled sab_filter          && prepend avfilter_deps "swscale"

  7098. enabled scale_filter    && prepend avfilter_deps "swscale"

  7099. enabled scale2ref_filter    && prepend avfilter_deps "swscale"

  7100. enabled sofalizer_filter    && prepend avfilter_deps "avcodec"

  7101. enabled showcqt_filter      && prepend avfilter_deps "avformat avcodec swscale"

  7102. enabled showfreqs_filter    && prepend avfilter_deps "avcodec"

  7103. enabled showspectrum_filter && prepend avfilter_deps "avcodec"

  7104. enabled signature_filter    && prepend avfilter_deps "avcodec avformat"

  7105. enabled smartblur_filter    && prepend avfilter_deps "swscale"

  7106. enabled spectrumsynth_filter && prepend avfilter_deps "avcodec"

  7107. enabled spp_filter          && prepend avfilter_deps "avcodec"

  7108. enabled sr_filter           && prepend avfilter_deps "avformat swscale"

  7109. enabled subtitles_filter    && prepend avfilter_deps "avformat avcodec"

  7110. enabled uspp_filter         && prepend avfilter_deps "avcodec"

  7111. enabled zoompan_filter      && prepend avfilter_deps "swscale"

  7112. 

  7113. enabled lavfi_indev         && prepend avdevice_deps "avfilter"

  7114. 

  7115. #FIXME

  7116. enabled_any sdl2_outdev opengl_outdev && enabled sdl2 &&

  7117.     add_cflags $(filter_out '-Dmain=SDL_main' $sdl2_cflags)

  7118. 

  7119. enabled opus_decoder    && prepend avcodec_deps "swresample"

  7120. 

  7121. # reorder the items at var $1 to align with the items order at var $2 .

  7122. # die if an item at $1 is not at $2 .

  7123. reorder_by(){

  7124.     eval rb_in=\$$1

  7125.     eval rb_ordered=\$$2

  7126. 

  7127.     for rb in $rb_in; do

  7128.         is_in $rb $rb_ordered || die "$rb at \$$1 is not at \$$2"

  7129.     done

  7130. 

  7131.     rb_out=

  7132.     for rb in $rb_ordered; do

  7133.         is_in $rb $rb_in && rb_out="$rb_out$rb "

  7134.     done

  7135.     eval $1=\$rb_out

  7136. }

  7137. 

  7138. # deps-expand fflib $1:  N x {append all expanded deps; unique}

  7139. # within a set of N items, N expansions are enough to expose a cycle.

  7140. expand_deps(){

  7141.     unique ${1}_deps  # required for the early break test.

  7142.     for dummy in $LIBRARY_LIST; do  # N iteratios

  7143.         eval deps=\$${1}_deps

  7144.         append ${1}_deps $(map 'eval echo \$${v}_deps' $deps)

  7145.         unique ${1}_deps

  7146.         eval '[ ${#deps} = ${#'${1}_deps'} ]' && break  # doesn't expand anymore

  7147.     done

  7148. 

  7149.     eval is_in $1 \$${1}_deps && die "Dependency cycle at ${1}_deps"

  7150.     reorder_by ${1}_deps LIBRARY_LIST  # linking order is expected later

  7151. }

  7152. 

  7153. #we have to remove gpl from the deps here as some code assumes all lib deps are libs

  7154. postproc_deps="$(filter_out 'gpl' $postproc_deps)"

  7155. 

  7156. map 'expand_deps $v' $LIBRARY_LIST

  7157. 

  7158. if test "$quiet" != "yes"; then

  7159. 

  7160. echo "install prefix            $prefix"

  7161. echo "source path               $source_path"

  7162. echo "C compiler                $cc"

  7163. echo "C library                 $libc_type"

  7164. if test "$host_cc" != "$cc"; then

  7165.     echo "host C compiler           $host_cc"

  7166.     echo "host C library            $host_libc_type"

  7167. fi

  7168. echo "ARCH                      $arch ($cpu)"

  7169. if test "$build_suffix" != ""; then

  7170.     echo "build suffix              $build_suffix"

  7171. fi

  7172. if test "$progs_suffix" != ""; then

  7173.     echo "progs suffix              $progs_suffix"

  7174. fi

  7175. if test "$extra_version" != ""; then

  7176.     echo "version string suffix     $extra_version"

  7177. fi

  7178. echo "big-endian                ${bigendian-no}"

  7179. echo "runtime cpu detection     ${runtime_cpudetect-no}"

  7180. if enabled x86; then

  7181.     echo "standalone assembly       ${x86asm-no}"

  7182.     echo "x86 assembler             ${x86asmexe}"

  7183.     echo "MMX enabled               ${mmx-no}"

  7184.     echo "MMXEXT enabled            ${mmxext-no}"

  7185.     echo "3DNow! enabled            ${amd3dnow-no}"

  7186.     echo "3DNow! extended enabled   ${amd3dnowext-no}"

  7187.     echo "SSE enabled               ${sse-no}"

  7188.     echo "SSSE3 enabled             ${ssse3-no}"

  7189.     echo "AESNI enabled             ${aesni-no}"

  7190.     echo "AVX enabled               ${avx-no}"

  7191.     echo "AVX2 enabled              ${avx2-no}"

  7192.     echo "AVX-512 enabled           ${avx512-no}"

  7193.     echo "XOP enabled               ${xop-no}"

  7194.     echo "FMA3 enabled              ${fma3-no}"

  7195.     echo "FMA4 enabled              ${fma4-no}"

  7196.     echo "i686 features enabled     ${i686-no}"

  7197.     echo "CMOV is fast              ${fast_cmov-no}"

  7198.     echo "EBX available             ${ebx_available-no}"

  7199.     echo "EBP available             ${ebp_available-no}"

  7200. fi

  7201. if enabled aarch64; then

  7202.     echo "NEON enabled              ${neon-no}"

  7203.     echo "VFP enabled               ${vfp-no}"

  7204. fi

  7205. if enabled arm; then

  7206.     echo "ARMv5TE enabled           ${armv5te-no}"

  7207.     echo "ARMv6 enabled             ${armv6-no}"

  7208.     echo "ARMv6T2 enabled           ${armv6t2-no}"

  7209.     echo "VFP enabled               ${vfp-no}"

  7210.     echo "NEON enabled              ${neon-no}"

  7211.     echo "THUMB enabled             ${thumb-no}"

  7212. fi

  7213. if enabled mips; then

  7214.     echo "MIPS FPU enabled          ${mipsfpu-no}"

  7215.     echo "MIPS DSP R1 enabled       ${mipsdsp-no}"

  7216.     echo "MIPS DSP R2 enabled       ${mipsdspr2-no}"

  7217.     echo "MIPS MSA enabled          ${msa-no}"

  7218.     echo "MIPS MSA2 enabled         ${msa2-no}"

  7219.     echo "LOONGSON MMI enabled      ${mmi-no}"

  7220. fi

  7221. if enabled ppc; then

  7222.     echo "AltiVec enabled           ${altivec-no}"

  7223.     echo "VSX enabled               ${vsx-no}"

  7224.     echo "POWER8 enabled            ${power8-no}"

  7225.     echo "PPC 4xx optimizations     ${ppc4xx-no}"

  7226.     echo "dcbzl available           ${dcbzl-no}"

  7227. fi

  7228. echo "debug symbols             ${debug-no}"

  7229. echo "strip symbols             ${stripping-no}"

  7230. echo "optimize for size         ${small-no}"

  7231. echo "optimizations             ${optimizations-no}"

  7232. echo "static                    ${static-no}"

  7233. echo "shared                    ${shared-no}"

  7234. echo "postprocessing support    ${postproc-no}"

  7235. echo "network support           ${network-no}"

  7236. echo "threading support         ${thread_type-no}"

  7237. echo "safe bitstream reader     ${safe_bitstream_reader-no}"

  7238. echo "texi2html enabled         ${texi2html-no}"

  7239. echo "perl enabled              ${perl-no}"

  7240. echo "pod2man enabled           ${pod2man-no}"

  7241. echo "makeinfo enabled          ${makeinfo-no}"

  7242. echo "makeinfo supports HTML    ${makeinfo_html-no}"

  7243. test -n "$random_seed" &&

  7244.     echo "random seed               ${random_seed}"

  7245. echo

  7246. 

  7247. echo "External libraries:"

  7248. print_enabled '' $EXTERNAL_LIBRARY_LIST $EXTERNAL_AUTODETECT_LIBRARY_LIST | print_in_columns

  7249. echo

  7250. 

  7251. echo "External libraries providing hardware acceleration:"

  7252. print_enabled '' $HWACCEL_LIBRARY_LIST $HWACCEL_AUTODETECT_LIBRARY_LIST | print_in_columns

  7253. echo

  7254. 

  7255. echo "Libraries:"

  7256. print_enabled '' $LIBRARY_LIST | print_in_columns

  7257. echo

  7258. 

  7259. echo "Programs:"

  7260. print_enabled '' $PROGRAM_LIST | print_in_columns

  7261. echo

  7262. 

  7263. for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do

  7264.     echo "Enabled ${type}s:"

  7265.     eval list=\$$(toupper $type)_LIST

  7266.     print_enabled '_*' $list | print_in_columns

  7267.     echo

  7268. done

  7269. 

  7270. if test -n "$ignore_tests"; then

  7271.     ignore_tests=$(echo $ignore_tests | tr ',' ' ')

  7272.     echo "Ignored FATE tests:"

  7273.     echo $ignore_tests | print_in_columns

  7274.     echo

  7275. fi

  7276. 

  7277. echo "License: $license"

  7278. 

  7279. fi # test "$quiet" != "yes"

  7280. 

  7281. if test -n "$WARN_IF_GETS_DISABLED_LIST"; then

  7282.     for cfg in $WARN_IF_GETS_DISABLED_LIST; do

  7283.         if disabled $cfg; then

  7284.             varname=${cfg}_disable_reason

  7285.             eval "warn \"Disabled $cfg because \$$varname\""

  7286.         fi

  7287.     done

  7288. fi

  7289. 

  7290. if test -n "$WARNINGS"; then

  7291.     printf "\n%s%s$WARNINGS%s" "$warn_color" "$bold_color" "$reset_color"

  7292.     enabled fatal_warnings && exit 1

  7293. fi

  7294. 

  7295. test -e Makefile || echo "include $source_path/Makefile" > Makefile

  7296. 

  7297. esc(){

  7298.     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'

  7299. }

  7300. 

  7301. echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFIGURATION)" > ffbuild/config.fate

  7302. 

  7303. enabled stripping || strip="echo skipping strip"

  7304. enabled stripping || striptype=""

  7305. 

  7306. config_files="$TMPH ffbuild/config.mak doc/config.texi"

  7307. 

  7308. cat > ffbuild/config.mak <<EOF

  7309. # Automatically generated by configure - do not modify!

  7310. ifndef FFMPEG_CONFIG_MAK

  7311. FFMPEG_CONFIG_MAK=1

  7312. FFMPEG_CONFIGURATION=$FFMPEG_CONFIGURATION

  7313. prefix=$prefix

  7314. LIBDIR=\$(DESTDIR)$libdir

  7315. SHLIBDIR=\$(DESTDIR)$shlibdir

  7316. INCDIR=\$(DESTDIR)$incdir

  7317. BINDIR=\$(DESTDIR)$bindir

  7318. DATADIR=\$(DESTDIR)$datadir

  7319. DOCDIR=\$(DESTDIR)$docdir

  7320. MANDIR=\$(DESTDIR)$mandir

  7321. PKGCONFIGDIR=\$(DESTDIR)$pkgconfigdir

  7322. INSTALL_NAME_DIR=$install_name_dir

  7323. SRC_PATH=$source_path

  7324. SRC_LINK=$source_link

  7325. ifndef MAIN_MAKEFILE

  7326. SRC_PATH:=\$(SRC_PATH:.%=..%)

  7327. endif

  7328. CC_IDENT=$cc_ident

  7329. ARCH=$arch

  7330. INTRINSICS=$intrinsics

  7331. EXTERN_PREFIX=$extern_prefix

  7332. CC=$cc

  7333. CXX=$cxx

  7334. AS=$as

  7335. OBJCC=$objcc

  7336. LD=$ld

  7337. DEPCC=$dep_cc

  7338. DEPCCFLAGS=$DEPCCFLAGS \$(CPPFLAGS)

  7339. DEPAS=$as

  7340. DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)

  7341. X86ASM=$x86asmexe

  7342. DEPX86ASM=$x86asmexe

  7343. DEPX86ASMFLAGS=\$(X86ASMFLAGS)

  7344. AR=$ar

  7345. ARFLAGS=$arflags

  7346. AR_O=$ar_o

  7347. AR_CMD=$ar

  7348. NM_CMD=$nm

  7349. RANLIB=$ranlib

  7350. STRIP=$strip

  7351. STRIPTYPE=$striptype

  7352. NVCC=$nvcc

  7353. CP=cp -p

  7354. LN_S=$ln_s

  7355. CPPFLAGS=$CPPFLAGS

  7356. CFLAGS=$CFLAGS

  7357. CXXFLAGS=$CXXFLAGS

  7358. OBJCFLAGS=$OBJCFLAGS

  7359. ASFLAGS=$ASFLAGS

  7360. NVCCFLAGS=$nvccflags

  7361. AS_C=$AS_C

  7362. AS_O=$AS_O

  7363. OBJCC_C=$OBJCC_C

  7364. OBJCC_E=$OBJCC_E

  7365. OBJCC_O=$OBJCC_O

  7366. CC_C=$CC_C

  7367. CC_E=$CC_E

  7368. CC_O=$CC_O

  7369. CXX_C=$CXX_C

  7370. CXX_O=$CXX_O

  7371. NVCC_C=$NVCC_C

  7372. NVCC_O=$NVCC_O

  7373. LD_O=$LD_O

  7374. X86ASM_O=$X86ASM_O

  7375. LD_LIB=$LD_LIB

  7376. LD_PATH=$LD_PATH

  7377. DLLTOOL=$dlltool

  7378. WINDRES=$windres

  7379. DEPWINDRES=$dep_cc

  7380. DOXYGEN=$doxygen

  7381. LDFLAGS=$LDFLAGS

  7382. LDEXEFLAGS=$LDEXEFLAGS

  7383. LDSOFLAGS=$LDSOFLAGS

  7384. SHFLAGS=$(echo $($ldflags_filter $SHFLAGS))

  7385. ASMSTRIPFLAGS=$ASMSTRIPFLAGS

  7386. X86ASMFLAGS=$X86ASMFLAGS

  7387. BUILDSUF=$build_suffix

  7388. PROGSSUF=$progs_suffix

  7389. FULLNAME=$FULLNAME

  7390. LIBPREF=$LIBPREF

  7391. LIBSUF=$LIBSUF

  7392. LIBNAME=$LIBNAME

  7393. SLIBPREF=$SLIBPREF

  7394. SLIBSUF=$SLIBSUF

  7395. EXESUF=$EXESUF

  7396. EXTRA_VERSION=$extra_version

  7397. CCDEP=$CCDEP

  7398. CXXDEP=$CXXDEP

  7399. CCDEP_FLAGS=$CCDEP_FLAGS

  7400. ASDEP=$ASDEP

  7401. ASDEP_FLAGS=$ASDEP_FLAGS

  7402. X86ASMDEP=$X86ASMDEP

  7403. X86ASMDEP_FLAGS=$X86ASMDEP_FLAGS

  7404. CC_DEPFLAGS=$CC_DEPFLAGS

  7405. AS_DEPFLAGS=$AS_DEPFLAGS

  7406. X86ASM_DEPFLAGS=$X86ASM_DEPFLAGS

  7407. HOSTCC=$host_cc

  7408. HOSTLD=$host_ld

  7409. HOSTCFLAGS=$host_cflags

  7410. HOSTCPPFLAGS=$host_cppflags

  7411. HOSTEXESUF=$HOSTEXESUF

  7412. HOSTLDFLAGS=$host_ldflags

  7413. HOSTEXTRALIBS=$host_extralibs

  7414. DEPHOSTCC=$host_cc

  7415. DEPHOSTCCFLAGS=$DEPHOSTCCFLAGS \$(HOSTCCFLAGS)

  7416. HOSTCCDEP=$HOSTCCDEP

  7417. HOSTCCDEP_FLAGS=$HOSTCCDEP_FLAGS

  7418. HOSTCC_DEPFLAGS=$HOSTCC_DEPFLAGS

  7419. HOSTCC_C=$HOSTCC_C

  7420. HOSTCC_O=$HOSTCC_O

  7421. HOSTLD_O=$HOSTLD_O

  7422. TARGET_EXEC=$target_exec $target_exec_args

  7423. TARGET_PATH=$target_path

  7424. TARGET_SAMPLES=${target_samples:-\$(SAMPLES)}

  7425. CFLAGS-ffplay=${sdl2_cflags}

  7426. CFLAGS_HEADERS=$CFLAGS_HEADERS

  7427. LIB_INSTALL_EXTRA_CMD=$LIB_INSTALL_EXTRA_CMD

  7428. EXTRALIBS=$extralibs

  7429. COMPAT_OBJS=$compat_objs

  7430. INSTALL=$install

  7431. LIBTARGET=${LIBTARGET}

  7432. SLIBNAME=${SLIBNAME}

  7433. SLIBNAME_WITH_VERSION=${SLIBNAME_WITH_VERSION}

  7434. SLIBNAME_WITH_MAJOR=${SLIBNAME_WITH_MAJOR}

  7435. SLIB_CREATE_DEF_CMD=${SLIB_CREATE_DEF_CMD}

  7436. SLIB_EXTRA_CMD=${SLIB_EXTRA_CMD}

  7437. SLIB_INSTALL_NAME=${SLIB_INSTALL_NAME}

  7438. SLIB_INSTALL_LINKS=${SLIB_INSTALL_LINKS}

  7439. SLIB_INSTALL_EXTRA_LIB=${SLIB_INSTALL_EXTRA_LIB}

  7440. SLIB_INSTALL_EXTRA_SHLIB=${SLIB_INSTALL_EXTRA_SHLIB}

  7441. VERSION_SCRIPT_POSTPROCESS_CMD=${VERSION_SCRIPT_POSTPROCESS_CMD}

  7442. SAMPLES:=${samples:-\$(FATE_SAMPLES)}

  7443. NOREDZONE_FLAGS=$noredzone_flags

  7444. LIBFUZZER_PATH=$libfuzzer_path

  7445. IGNORE_TESTS=$ignore_tests

  7446. EOF

  7447. 

  7448. map 'eval echo "${v}_FFLIBS=\$${v}_deps" >> ffbuild/config.mak' $LIBRARY_LIST

  7449. 

  7450. for entry in $LIBRARY_LIST $PROGRAM_LIST $EXTRALIBS_LIST; do

  7451.     eval echo "EXTRALIBS-${entry}=\$${entry}_extralibs" >> ffbuild/config.mak

  7452. done

  7453. 

  7454. cat > $TMPH <<EOF

  7455. /* Automatically generated by configure - do not modify! */

  7456. #ifndef FFMPEG_CONFIG_H

  7457. #define FFMPEG_CONFIG_H

  7458. #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"

  7459. #define FFMPEG_LICENSE "$(c_escape $license)"

  7460. #define CONFIG_THIS_YEAR 2019

  7461. #define FFMPEG_DATADIR "$(eval c_escape $datadir)"

  7462. #define AVCONV_DATADIR "$(eval c_escape $datadir)"

  7463. #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"

  7464. #define av_restrict $restrict_keyword

  7465. #define EXTERN_PREFIX "${extern_prefix}"

  7466. #define EXTERN_ASM ${extern_prefix}

  7467. #define BUILDSUF "$build_suffix"

  7468. #define SLIBSUF "$SLIBSUF"

  7469. #define HAVE_MMX2 HAVE_MMXEXT

  7470. #define SWS_MAX_FILTER_SIZE $sws_max_filter_size

  7471. EOF

  7472. 

  7473. test -n "$assert_level" &&

  7474.     echo "#define ASSERT_LEVEL $assert_level" >>$TMPH

  7475. 

  7476. test -n "$malloc_prefix" &&

  7477.     echo "#define MALLOC_PREFIX $malloc_prefix" >>$TMPH

  7478. 

  7479. if enabled x86asm; then

  7480.     append config_files $TMPASM

  7481.     cat > $TMPASM <<EOF

  7482. ; Automatically generated by configure - do not modify!

  7483. EOF

  7484. fi

  7485. 

  7486. enabled getenv || echo "#define getenv(x) NULL" >> $TMPH

  7487. 

  7488. 

  7489. mkdir -p doc

  7490. mkdir -p tests

  7491. mkdir -p tests/api

  7492. echo "@c auto-generated by configure - do not modify! " > doc/config.texi

  7493. 

  7494. print_config ARCH_   "$config_files" $ARCH_LIST

  7495. print_config HAVE_   "$config_files" $HAVE_LIST

  7496. print_config CONFIG_ "$config_files" $CONFIG_LIST       \

  7497.                                      $CONFIG_EXTRA      \

  7498.                                      $ALL_COMPONENTS    \

  7499. 

  7500. echo "#endif /* FFMPEG_CONFIG_H */" >> $TMPH

  7501. echo "endif # FFMPEG_CONFIG_MAK" >> ffbuild/config.mak

  7502. 

  7503. # Do not overwrite an unchanged config.h to avoid superfluous rebuilds.

  7504. cp_if_changed $TMPH config.h

  7505. touch ffbuild/.config

  7506. 

  7507. enabled x86asm && cp_if_changed $TMPASM config.asm

  7508. 

  7509. cat > $TMPH <<EOF

  7510. /* Generated by ffmpeg configure */

  7511. #ifndef AVUTIL_AVCONFIG_H

  7512. #define AVUTIL_AVCONFIG_H

  7513. EOF

  7514. 

  7515. print_config AV_HAVE_ $TMPH $HAVE_LIST_PUB

  7516. 

  7517. echo "#endif /* AVUTIL_AVCONFIG_H */" >> $TMPH

  7518. 

  7519. cp_if_changed $TMPH libavutil/avconfig.h

  7520. 

  7521. # full_filter_name_foo=vf_foo

  7522. # full_filter_name_bar=asrc_bar

  7523. # ...

  7524. eval "$(sed -n "s/^extern AVFilter ff_\([avfsinkrc]\{2,5\}\)_\(.*\);/full_filter_name_\2=\1_\2/p" $source_path/libavfilter/allfilters.c)"

  7525. 

  7526. # generate the lists of enabled components

  7527. print_enabled_components(){

  7528.     file=$1

  7529.     struct_name=$2

  7530.     name=$3

  7531.     shift 3

  7532.     echo "static const $struct_name * const $name[] = {" > $TMPH

  7533.     for c in $*; do

  7534.         if enabled $c; then

  7535.             case $name in

  7536.                 filter_list)

  7537.                     eval c=\$full_filter_name_${c%_filter}

  7538.                 ;;

  7539.                 indev_list)

  7540.                     c=${c%_indev}_demuxer

  7541.                 ;;

  7542.                 outdev_list)

  7543.                     c=${c%_outdev}_muxer

  7544.                 ;;

  7545.             esac

  7546.             printf "    &ff_%s,\n" $c >> $TMPH

  7547.         fi

  7548.     done

  7549.     if [ "$name" = "filter_list" ]; then

  7550.         for c in asrc_abuffer vsrc_buffer asink_abuffer vsink_buffer; do

  7551.             printf "    &ff_%s,\n" $c >> $TMPH

  7552.         done

  7553.     fi

  7554.     echo "    NULL };" >> $TMPH

  7555.     cp_if_changed $TMPH $file

  7556. }

  7557. 

  7558. print_enabled_components libavfilter/filter_list.c AVFilter filter_list $FILTER_LIST

  7559. print_enabled_components libavcodec/codec_list.c AVCodec codec_list $CODEC_LIST

  7560. print_enabled_components libavcodec/parser_list.c AVCodecParser parser_list $PARSER_LIST

  7561. print_enabled_components libavcodec/bsf_list.c AVBitStreamFilter bitstream_filters $BSF_LIST

  7562. print_enabled_components libavformat/demuxer_list.c AVInputFormat demuxer_list $DEMUXER_LIST

  7563. print_enabled_components libavformat/muxer_list.c AVOutputFormat muxer_list $MUXER_LIST

  7564. print_enabled_components libavdevice/indev_list.c AVInputFormat indev_list $INDEV_LIST

  7565. print_enabled_components libavdevice/outdev_list.c AVOutputFormat outdev_list $OUTDEV_LIST

  7566. print_enabled_components libavformat/protocol_list.c URLProtocol url_protocols $PROTOCOL_LIST

  7567. 

  7568. # Settings for pkg-config files

  7569. 

  7570. cat > $TMPH <<EOF

  7571. # Automatically generated by configure - do not modify!

  7572. shared=$shared

  7573. build_suffix=$build_suffix

  7574. prefix=$prefix

  7575. libdir=$libdir

  7576. incdir=$incdir

  7577. rpath=$(enabled rpath && echo "-Wl,-rpath,\${libdir}")

  7578. source_path=${source_path}

  7579. LIBPREF=${LIBPREF}

  7580. LIBSUF=${LIBSUF}

  7581. extralibs_avutil="$avutil_extralibs"

  7582. extralibs_avcodec="$avcodec_extralibs"

  7583. extralibs_avformat="$avformat_extralibs"

  7584. extralibs_avdevice="$avdevice_extralibs"

  7585. extralibs_avfilter="$avfilter_extralibs"

  7586. extralibs_avresample="$avresample_extralibs"

  7587. extralibs_postproc="$postproc_extralibs"

  7588. extralibs_swscale="$swscale_extralibs"

  7589. extralibs_swresample="$swresample_extralibs"

  7590. EOF

  7591. 

  7592. for lib in $LIBRARY_LIST; do

  7593.     lib_deps="$(eval echo \$${lib}_deps)"

  7594.     echo ${lib}_deps=\"$lib_deps\" >> $TMPH

  7595. done

  7596. 

  7597. cp_if_changed $TMPH ffbuild/config.sh