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  1. Entries are sorted chronologically from oldest to youngest within each release,
  2. releases are sorted from youngest to oldest.
  3. version <next>:
  4. - Support for spherical videos
  5. - Intel QSV-accelerated VP8 and VC-1 decoding
  6. - VAAPI-accelerated VP8 and HEVC decoding
  7. - VAAPI-accelerated deinterlacing
  8. - config.log and other configuration files moved into avbuild/ directory
  9. - VAAPI-accelerated MPEG-2 encoding
  10. version 12:
  11. - aliases and defaults for Ogg subtypes (opus, spx)
  12. - HEVC/H.265 RTP payload format (draft v6) packetizer and depacketizer
  13. - avplay now exits by default at the end of playback
  14. - XCB-based screen-grabber
  15. - creating DASH compatible fragmented MP4, MPEG-DASH segmenting muxer
  16. - H.261 RTP payload format (RFC 4587) depacketizer and experimental packetizer
  17. - RTP/mpegts muxer
  18. - VP8 in Ogg demuxing
  19. - OpenH264 encoder wrapper
  20. - Support DNx100 (960x720@8)
  21. - Direct3D11-accelerated decoding
  22. - DXVA2-accelerated HEVC decoding
  23. - AAC ELD 480 decoding
  24. - Intel QSV-accelerated H.264 decoding
  25. - DSS SP decoder and DSS demuxer
  26. - RTP depacketizer for AC3 payload format (RFC 4184)
  27. - RTP depacketizer for loss tolerant payload format for MP3 audio (RFC 5219)
  28. - RTP depacketizer for DV (RFC 6469)
  29. - Canopus HQX decoder
  30. - RTP depacketization of T.140 text (RFC 4103)
  31. - VP9 RTP payload format (draft 0) experimental depacketizer
  32. - TDSC decoder
  33. - DTS lossless extension (XLL) decoding (not lossless, disabled by default)
  34. - Intel QSV-accelerated H.264 encoding
  35. - MMAL-accelerated H.264 decoding
  36. - DTS decoding through libdcadec
  37. - Canopus HQ/HQA decoder
  38. - Automatically rotate videos based on metadata in avconv
  39. - improved Quickdraw compatibility
  40. - NVIDIA NVENC-accelerated H.264 and HEVC encoding support
  41. - Multipart JPEG demuxer
  42. - Support the extended vp9 profiles in the libvpx wrapper
  43. - Hap decoder and encoder
  44. - DirectDraw Surface image/texture decoder
  45. - rewritten ASF demuxer
  46. - Go2Meeting decoding support
  47. - Intel QSV-accelerated MPEG-2 video and HEVC encoding
  48. - bitstream filter for converting HEVC from MP4 to Annex B
  49. - Intel QSV-accelerated MPEG-2 video and HEVC decoding
  50. - Support DNx100 (1440x1080@8)
  51. - DXV decoding
  52. - Screenpresso SPV1 decoding
  53. - zero-copy Intel QSV transcoding in avconv
  54. - libkvazaar HEVC encoder
  55. - innoHeim/Rsupport Screen Capture Codec decoder
  56. - support encoding 16-bit RLE SGI images
  57. - support Apple AVFoundation video capture
  58. - G.723.1 muxer and encoder
  59. - compressed SWF
  60. - VAAPI-accelerated format conversion and scaling
  61. - libnpp/CUDA-accelerated format conversion and scaling
  62. - VAAPI-accelerate H.264/HEVC/MJPEG encoding
  63. - Generic OpenMAX IL encoder with support for Raspberry Pi
  64. - MMAL-accelerated MPEG-2 and VC-1 decoding
  65. - G.729 raw demuxer
  66. - MagicYUV decoder
  67. - Duck TrueMotion 2.0 Real Time decoder
  68. - Intel QSV video scaling and deinterlacing filter
  69. - Support MOV with multiple sample description tables
  70. - OpenH264 decoder wrapper
  71. - Removed the legacy X11 screen grabber, use XCB instead
  72. - HDCD decoding filter through libhdcd
  73. version 11:
  74. - libx265 encoder
  75. - shuffleplanes filter
  76. - replaygain data export
  77. - Alias PIX image encoder and decoder
  78. - BRender PIX image decoder
  79. - Amazing Studio PAF playback support
  80. - XBM decoder
  81. - BMP standalone parser
  82. - OpenEXR image decoder
  83. - support encoding and decoding 4-channel SGI images
  84. - support decoding 16-bit RLE SGI images
  85. - VP7 video decoder
  86. - LucasArts SMUSH SANM video decoder
  87. - LucasArts SMUSH VIMA audio decoder (ADPCM)
  88. - LucasArts SMUSH demuxer
  89. - MP2 encoding via TwoLAME
  90. - asettb filter
  91. - Silicon Graphics RLE 8-bit video decoder
  92. - Silicon Graphics Motion Video Compressor 1 & 2 decoder
  93. - Silicon Graphics Movie demuxer
  94. - On2 AVC (Audio for Video) decoder
  95. - support for decoding through DXVA2 in avconv
  96. - libbs2b-based stereo-to-binaural audio filter
  97. - native Opus decoder
  98. - display matrix export and rotation API
  99. - drop avserver, it was unmaintained for years and largely broken
  100. - Icecast protocol
  101. - request Icecast metadata by default
  102. - support for using metadata in stream specifiers in avtools
  103. - Matroska 3D support
  104. version 10:
  105. - av_strnstr
  106. - support ID3v2 tags in ASF files
  107. - reference-counting for AVFrame and AVPacket data
  108. - avconv now fails when input options are used for output file
  109. or vice versa
  110. - avconv options -filter_script and -filter_complex_script, which allow a
  111. filtergraph description to be read from a file
  112. - uniform options syntax across all filters
  113. - interlace filter
  114. - JPEG 2000 decoder
  115. - asetpts filter (same as setpts, but for audio)
  116. - trim and atrim filters
  117. - avconv -t and -ss (output-only) options are now sample-accurate when
  118. transcoding audio
  119. - Matroska muxer can now put the index at the beginning of the file.
  120. - avconv -deinterlace option removed, the yadif filter should be used instead
  121. - Apple Intermediate Codec decoder
  122. - Escape 130 video decoder
  123. - support for slice multithreading in libavfilter
  124. - VC-1 interlaced B-frame support
  125. - support for WavPack muxing (raw and in Matroska)
  126. - Go2Webinar decoder
  127. - WavPack encoding through libwavpack
  128. - Added the -n parameter to avconv
  129. - RTMP seek support
  130. - when transcoding with avconv (i.e. not streamcopying), -ss is now accurate
  131. even when used as an input option. Previous behavior can be restored with
  132. the -noaccurate_seek option.
  133. - avconv -t option can now be used for inputs, to limit the duration of
  134. data read from an input file
  135. - Voxware MetaSound decoder
  136. - WebP decoder
  137. - Error Resilient AAC syntax (ER AAC LC) decoding
  138. - Low Delay AAC (ER AAC LD) decoding
  139. - mux chapters in ASF files
  140. - Opus in Ogg demuxing
  141. - Enhanced Low Delay AAC (ER AAC ELD) decoding (no LD SBR support)
  142. - F4V muxer
  143. - HNM version 4 demuxer and video decoder
  144. - HEVC decoder
  145. - raw HEVC, HEVC in MOV/MP4, HEVC in Matroska, HEVC in MPEG-TS demuxing
  146. - remove avplay -vismv option, which has not worked for a long time
  147. - Live HDS muxer
  148. - setsar/setdar filters now support variables in ratio expressions
  149. - dar variable in the scale filter now returns the actual DAR (i.e. a * sar)
  150. - VP9 decoder
  151. - support for decoding through VDPAU in avconv (the -hwaccel option)
  152. - remove mp3_header_(de)compress bitstream filters
  153. - stereoscopic 3d metadata handling
  154. - png standalone parser
  155. - WebP encoding via libwebp
  156. - ATRAC3+ decoder
  157. - framepack filter
  158. - Mirillis FIC video decoder
  159. - Support DNx444
  160. - compand audio filter
  161. version 9:
  162. - av_basename and av_dirname
  163. - adobe and limelight publisher authentication in RTMP
  164. - VDPAU hardware acceleration through normal hwaccel
  165. - SRTP support
  166. version 9_beta3:
  167. - ashowinfo audio filter
  168. - 24-bit FLAC encoding
  169. - audio volume filter
  170. - deprecated the avconv -vol option. the volume filter is to be used instead.
  171. - multi-channel ALAC encoding up to 7.1
  172. - TAK demuxer, parser, and decoder
  173. - adaptive frame-level multithreading for H.264
  174. version 9_beta2:
  175. - metadata (INFO tag) support in WAV muxer
  176. - support for building DLLs using MSVC
  177. - remove avserver daemon mode
  178. - support building on the Plan 9 operating system
  179. - ffv1: support version 1.3
  180. version 9_beta1:
  181. - XWD encoder and decoder
  182. - Support for fragmentation in the mov/mp4 muxer
  183. - ISMV (Smooth Streaming) muxer
  184. - CDXL demuxer and decoder
  185. - Apple ProRes encoder
  186. - Sun Rasterfile Encoder
  187. - remove libpostproc
  188. - ID3v2 attached pictures reading and writing
  189. - WMA Lossless decoder
  190. - XBM encoder
  191. - RealAudio Lossless decoder
  192. - ZeroCodec decoder
  193. - drop support for avconv without libavfilter
  194. - add libavresample audio conversion library
  195. - audio filters support in libavfilter and avconv
  196. - add fps filter
  197. - audio split filter
  198. - audio mix filter
  199. - avprobe output is now standard INI or JSON. The old format can still
  200. be used with -of old.
  201. - Indeo Audio decoder
  202. - channelsplit audio filter
  203. - RTMPT protocol support
  204. - iLBC encoding/decoding via libilbc
  205. - Microsoft Screen 1 decoder
  206. - join audio filter
  207. - audio channel mapping filter
  208. - Microsoft ATC Screen decoder
  209. - RTSP listen mode
  210. - TechSmith Screen Codec 2 decoder
  211. - AAC encoding via libfdk-aac
  212. - Microsoft Expression Encoder Screen decoder
  213. - RTMPS protocol support
  214. - RTMPTS protocol support
  215. - JPEG 2000 encoding support through OpenJPEG
  216. - G.723.1 demuxer and decoder
  217. - RTMPE protocol support
  218. - RTMPTE protocol support
  219. - Canopus Lossless Codec decoder
  220. - avconv -shortest option is now per-output file,
  221. -pass and -passlogfile are now per-output stream
  222. - Ut Video encoder
  223. - Microsoft Screen 2 decoder
  224. - RTP depacketization of JPEG
  225. - Smooth Streaming live segmenter muxer
  226. - RTP packetization of JPEG
  227. - Opus decoder and encoder using libopus
  228. - remove -same_quant, it hasn't worked for years
  229. - support for building with MSVC
  230. version 0.8:
  231. - GSM audio parser
  232. - SMJPEG muxer
  233. version 0.8_beta2:
  234. - Automatic thread count based on detection number of (available) CPU cores
  235. - Deprecate libpostproc. If desired, the switch --enable-postproc will
  236. enable it but it may be removed in a later Libav release.
  237. - rv34: frame-level multi-threading
  238. - optimized iMDCT transform on x86 using SSE for for mpegaudiodec
  239. version 0.8_beta1:
  240. - BWF muxer
  241. - Flash Screen Video 2 decoder
  242. - ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
  243. - ffmpeg deprecated, added avconv, which is almost the same for now, except
  244. for a few incompatible changes in the options, which will hopefully make them
  245. easier to use. The changes are:
  246. * The options placement is now strictly enforced! While in theory the
  247. options for ffmpeg should be given in [input options] -i INPUT [output
  248. options] OUTPUT order, in practice it was possible to give output options
  249. before the -i and it mostly worked. Except when it didn't - the behavior was
  250. a bit inconsistent. In avconv, it is not possible to mix input and output
  251. options. All non-global options are reset after an input or output filename.
  252. * All per-file options are now truly per-file - they apply only to the next
  253. input or output file and specifying different values for different files
  254. will now work properly (notably -ss and -t options).
  255. * All per-stream options are now truly per-stream - it is possible to
  256. specify which stream(s) should a given option apply to. See the Stream
  257. specifiers section in the avconv manual for details.
  258. * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
  259. sense that they're specified after the output filename instead of before,
  260. like all other options. In avconv this irregularity is removed, all options
  261. apply to the next input or output file.
  262. * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
  263. irregular and highly confusing, they were also redundant. In avconv the -map
  264. option will create new streams in the output file and map input streams to
  265. them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
  266. each stream in the first input file.
  267. * The -map option now has slightly different and more powerful syntax:
  268. + Colons (':') are used to separate file index/stream type/stream index
  269. instead of dots. Comma (',') is used to separate the sync stream instead
  270. of colon.. This is done for consistency with other options.
  271. + It's possible to specify stream type. E.g. -map 0:a:2 creates an
  272. output stream from the third input audio stream.
  273. + Omitting the stream index now maps all the streams of the given type,
  274. not just the first. E.g. -map 0:s creates output streams for all the
  275. subtitle streams in the first input file.
  276. + Since -map can now match multiple streams, negative mappings were
  277. introduced. Negative mappings disable some streams from an already
  278. defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
  279. all the stream in the first input file, except for the second audio
  280. stream'.
  281. * There is a new option -c (or -codec) for choosing the decoder/encoder to
  282. use, which allows to precisely specify target stream(s) consistently with
  283. other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
  284. libvorbis sets the codec for the first audio stream and -c copy copies all
  285. the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
  286. aliases to -c:v/a/s
  287. * It is now possible to precisely specify which stream should an AVOption
  288. apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
  289. -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
  290. syntax is deprecated and will stop working soon.
  291. * -map_chapters now takes only an input file index and applies to the next
  292. output file. This is consistent with how all the other options work.
  293. * -map_metadata now takes only an input metadata specifier and applies to
  294. the next output file. Output metadata specifier is now part of the option
  295. name, similarly to the AVOptions/map/codec feature above.
  296. * -metadata can now be used to set metadata on streams and chapters, e.g.
  297. -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
  298. This made -vlang/-alang/-slang options redundant, so they were removed.
  299. * -qscale option now uses stream specifiers and applies to all streams, not
  300. just video. I.e. plain -qscale number would now apply to all streams. To get
  301. the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
  302. and -aq is now an alias for -q:a.
  303. * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
  304. uses stream specifiers. Use -bsf:v/a/s instead of the old options.
  305. * -itsscale option now uses stream specifiers, so its argument is only the
  306. scale parameter.
  307. * -intra option was removed, use -g 0 for the same effect.
  308. * -psnr option was removed, use -flags +psnr for the same effect.
  309. * -vf option is now an alias to the new -filter option, which uses stream specifiers.
  310. * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
  311. * -vtag/-atag/-stag options are now aliases to the new -tag option.
  312. - XMV demuxer
  313. - Windows Media Image decoder
  314. - LATM muxer/demuxer
  315. - showinfo filter
  316. - split filter
  317. - libcdio-paranoia input device for audio CD grabbing
  318. - select filter
  319. - Apple ProRes decoder
  320. - CELT in Ogg demuxing
  321. - VC-1 interlaced decoding
  322. - lut, lutrgb, and lutyuv filters
  323. - boxblur filter
  324. - Ut Video decoder
  325. - Speex encoding via libspeex
  326. - 4:2:2 H.264 decoding support
  327. - 4:2:2 and 4:4:4 H.264 encoding with libx264
  328. - Pulseaudio input device
  329. - replacement Indeo 3 decoder
  330. - TLS/SSL and HTTPS protocol support
  331. - AVOptions API rewritten and documented
  332. - most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
  333. AVCodecContext deprecated. Codec private options should be used instead.
  334. - Properly working defaults in libx264 wrapper, support for native presets.
  335. - Encrypted OMA files support
  336. - Discworld II BMV decoding support
  337. - VBLE Decoder
  338. - OS X Video Decoder Acceleration (VDA) support
  339. - CRI ADX audio format muxer and demuxer
  340. - Playstation Portable PMP format demuxer
  341. - PCM format support in OMA demuxer
  342. - CLJR encoder
  343. - Dxtory capture format decoder
  344. - v410 QuickTime uncompressed 4:4:4 10-bit encoder and decoder
  345. - OpenMG Audio muxer
  346. - Simple segmenting muxer
  347. - Indeo 4 decoder
  348. - SMJPEG demuxer
  349. version 0.7:
  350. - E-AC-3 audio encoder
  351. - ac3enc: add channel coupling support
  352. - floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
  353. - H.264/MPEG frame-level multithreading
  354. - av_metadata_* functions renamed to av_dict_* and moved to libavutil
  355. - 4:4:4 H.264 decoding support
  356. - 10-bit H.264 optimizations for x86
  357. - bump libswscale for recently reported ABI break
  358. version 0.7_beta2:
  359. - VP8 frame-level multithreading
  360. - NEON optimizations for VP8
  361. - removed a lot of deprecated API cruft
  362. - FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
  363. - DPX image encoder
  364. - SMPTE 302M AES3 audio decoder
  365. - ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
  366. - 9 bits and 10 bits per sample support in the H.264 decoder
  367. version 0.7_beta1:
  368. - WebM support in Matroska de/muxer
  369. - low overhead Ogg muxing
  370. - MMS-TCP support
  371. - VP8 de/encoding via libvpx
  372. - Demuxer for On2's IVF format
  373. - Pictor/PC Paint decoder
  374. - HE-AAC v2 decoder
  375. - libfaad2 wrapper removed
  376. - DTS-ES extension (XCh) decoding support
  377. - native VP8 decoder
  378. - RTSP tunneling over HTTP
  379. - RTP depacketization of SVQ3
  380. - -strict inofficial replaced by -strict unofficial
  381. - ffplay -exitonkeydown and -exitonmousedown options added
  382. - native GSM / GSM MS decoder
  383. - RTP depacketization of QDM2
  384. - ANSI/ASCII art playback system
  385. - Lego Mindstorms RSO de/muxer
  386. - SubRip subtitle file muxer and demuxer
  387. - Chinese AVS encoding via libxavs
  388. - ffprobe -show_packets option added
  389. - RTP packetization of Theora and Vorbis
  390. - RTP depacketization of MP4A-LATM
  391. - RTP packetization and depacketization of VP8
  392. - hflip filter
  393. - Apple HTTP Live Streaming demuxer
  394. - a64 codec
  395. - MMS-HTTP support
  396. - G.722 ADPCM audio encoder/decoder
  397. - R10k video decoder
  398. - ocv_smooth filter
  399. - frei0r wrapper filter
  400. - change crop filter syntax to width:height:x:y
  401. - make the crop filter accept parametric expressions
  402. - make ffprobe accept AVFormatContext options
  403. - yadif filter
  404. - blackframe filter
  405. - Demuxer for Leitch/Harris' VR native stream format (LXF)
  406. - RTP depacketization of the X-QT QuickTime format
  407. - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
  408. - cropdetect filter
  409. - ffmpeg -crop* options removed
  410. - transpose filter added
  411. - ffmpeg -force_key_frames option added
  412. - demuxer for receiving raw rtp:// URLs without an SDP description
  413. - single stream LATM/LOAS decoder
  414. - setpts filter added
  415. - Win64 support for optimized x86 assembly functions
  416. - MJPEG/AVI1 to JPEG/JFIF bitstream filter
  417. - ASS subtitle encoder and decoder
  418. - IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
  419. - overlay filter added
  420. - rename aspect filter to setdar, and pixelaspect to setsar
  421. - IEC 61937 demuxer
  422. - Mobotix .mxg demuxer
  423. - frei0r source added
  424. - hqdn3d filter added
  425. - RTP depacketization of QCELP
  426. - FLAC parser added
  427. - gradfun filter added
  428. - AMR-WB decoder
  429. - replace the ocv_smooth filter with a more generic ocv filter
  430. - Windows Televison (WTV) demuxer
  431. - FFmpeg metadata format muxer and demuxer
  432. - SubRip (srt) subtitle decoder
  433. - floating-point AC-3 encoder added
  434. - Lagarith decoder
  435. - ffmpeg -copytb option added
  436. - IVF muxer added
  437. - Wing Commander IV movies decoder added
  438. - movie source added
  439. - Bink version 'b' audio and video decoder
  440. - Bitmap Brothers JV playback system
  441. - Apple HTTP Live Streaming protocol handler
  442. - sndio support for playback and record
  443. - Linux framebuffer input device added
  444. - Chronomaster DFA decoder
  445. - Mobotix MxPEG decoder
  446. - AAC encoding via libvo-aacenc
  447. - AMR-WB encoding via libvo-amrwbenc
  448. - xWMA demuxer
  449. - fieldorder video filter added
  450. version 0.6:
  451. - PB-frame decoding for H.263
  452. - deprecated vhook subsystem removed
  453. - deprecated old scaler removed
  454. - VQF demuxer
  455. - Alpha channel scaler
  456. - PCX encoder
  457. - RTP packetization of H.263
  458. - RTP packetization of AMR
  459. - RTP depacketization of Vorbis
  460. - CorePNG decoding support
  461. - Cook multichannel decoding support
  462. - introduced avlanguage helpers in libavformat
  463. - 8088flex TMV demuxer and decoder
  464. - per-stream language-tags extraction in asfdec
  465. - V210 decoder and encoder
  466. - remaining GPL parts in AC-3 decoder converted to LGPL
  467. - QCP demuxer
  468. - SoX native format muxer and demuxer
  469. - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
  470. - DPX image decoder
  471. - Electronic Arts Madcow decoder
  472. - DivX (XSUB) subtitle encoder
  473. - nonfree libamr support for AMR-NB/WB decoding/encoding removed
  474. - experimental AAC encoder
  475. - RTP depacketization of ASF and RTSP from WMS servers
  476. - RTMP support in libavformat
  477. - noX handling for OPT_BOOL X options
  478. - Wave64 demuxer
  479. - IEC-61937 compatible Muxer
  480. - TwinVQ decoder
  481. - Bluray (PGS) subtitle decoder
  482. - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
  483. - WMA Pro decoder
  484. - Core Audio Format demuxer
  485. - ATRAC1 decoder
  486. - MD STUDIO audio demuxer
  487. - RF64 support in WAV demuxer
  488. - MPEG-4 Audio Lossless Coding (ALS) decoder
  489. - -formats option split into -formats, -codecs, -bsfs, and -protocols
  490. - IV8 demuxer
  491. - CDG demuxer and decoder
  492. - R210 decoder
  493. - Auravision Aura 1 and 2 decoders
  494. - Deluxe Paint Animation playback system
  495. - SIPR decoder
  496. - Adobe Filmstrip muxer and demuxer
  497. - RTP depacketization of H.263
  498. - Bink demuxer and audio/video decoders
  499. - enable symbol versioning by default for linkers that support it
  500. - IFF PBM/ILBM bitmap decoder
  501. - concat protocol
  502. - Indeo 5 decoder
  503. - RTP depacketization of AMR
  504. - WMA Voice decoder
  505. - ffprobe tool
  506. - AMR-NB decoder
  507. - RTSP muxer
  508. - HE-AAC v1 decoder
  509. - Kega Game Video (KGV1) decoder
  510. - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
  511. - RTP depacketization of Theora
  512. - HTTP Digest authentication
  513. - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
  514. - Psygnosis YOP demuxer and video decoder
  515. - spectral extension support in the E-AC-3 decoder
  516. - unsharp video filter
  517. - RTP hinting in the mov/3gp/mp4 muxer
  518. - Dirac in Ogg demuxing
  519. - seek to keyframes in Ogg
  520. - 4:2:2 and 4:4:4 Theora decoding
  521. - 35% faster VP3/Theora decoding
  522. - faster AAC decoding
  523. - faster H.264 decoding
  524. - RealAudio 1.0 (14.4K) encoder
  525. version 0.5:
  526. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
  527. - TechSmith Camtasia (TSCC) video decoder
  528. - IBM Ultimotion (ULTI) video decoder
  529. - Sierra Online audio file demuxer and decoder
  530. - Apple QuickDraw (qdrw) video decoder
  531. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
  532. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
  533. - Miro VideoXL (VIXL) video decoder
  534. - H.261 video encoder
  535. - QPEG video decoder
  536. - Nullsoft Video (NSV) file demuxer
  537. - Shorten audio decoder
  538. - LOCO video decoder
  539. - Apple Lossless Audio Codec (ALAC) decoder
  540. - Winnov WNV1 video decoder
  541. - Autodesk Animator Studio Codec (AASC) decoder
  542. - Indeo 2 video decoder
  543. - Fraps FPS1 video decoder
  544. - Snow video encoder/decoder
  545. - Sonic audio encoder/decoder
  546. - Vorbis audio decoder
  547. - Macromedia ADPCM decoder
  548. - Duck TrueMotion 2 video decoder
  549. - support for decoding FLX and DTA extensions in FLIC files
  550. - H.264 custom quantization matrices support
  551. - ffserver fixed, it should now be usable again
  552. - QDM2 audio decoder
  553. - Real Cooker audio decoder
  554. - TrueSpeech audio decoder
  555. - WMA2 audio decoder fixed, now all files should play correctly
  556. - RealAudio 14.4 and 28.8 decoders fixed
  557. - JPEG-LS decoder
  558. - build system improvements
  559. - tabs and trailing whitespace removed from the codebase
  560. - CamStudio video decoder
  561. - AIFF/AIFF-C audio format, encoding and decoding
  562. - ADTS AAC file reading and writing
  563. - Creative VOC file reading and writing
  564. - American Laser Games multimedia (*.mm) playback system
  565. - Zip Motion Blocks Video decoder
  566. - improved Theora/VP3 decoder
  567. - True Audio (TTA) decoder
  568. - AVS demuxer and video decoder
  569. - JPEG-LS encoder
  570. - Smacker demuxer and decoder
  571. - NuppelVideo/MythTV demuxer and RTjpeg decoder
  572. - KMVC decoder
  573. - MPEG-2 intra VLC support
  574. - MPEG-2 4:2:2 encoder
  575. - Flash Screen Video decoder
  576. - GXF demuxer
  577. - Chinese AVS decoder
  578. - GXF muxer
  579. - MXF demuxer
  580. - VC-1/WMV3/WMV9 video decoder
  581. - MacIntel support
  582. - AviSynth support
  583. - VMware video decoder
  584. - VP5 video decoder
  585. - VP6 video decoder
  586. - WavPack lossless audio decoder
  587. - Targa (.TGA) picture decoder
  588. - Vorbis audio encoder
  589. - Delphine Software .cin demuxer/audio and video decoder
  590. - Tiertex .seq demuxer/video decoder
  591. - MTV demuxer
  592. - TIFF picture encoder and decoder
  593. - GIF picture decoder
  594. - Intel Music Coder decoder
  595. - Zip Motion Blocks Video encoder
  596. - Musepack decoder
  597. - Flash Screen Video encoder
  598. - Theora encoding via libtheora
  599. - BMP encoder
  600. - WMA encoder
  601. - GSM-MS encoder and decoder
  602. - DCA decoder
  603. - DXA demuxer and decoder
  604. - DNxHD decoder
  605. - Gamecube movie (.THP) playback system
  606. - Blackfin optimizations
  607. - Interplay C93 demuxer and video decoder
  608. - Bethsoft VID demuxer and video decoder
  609. - CRYO APC demuxer
  610. - ATRAC3 decoder
  611. - V.Flash PTX decoder
  612. - RoQ muxer, RoQ audio encoder
  613. - Renderware TXD demuxer and decoder
  614. - extern C declarations for C++ removed from headers
  615. - sws_flags command line option
  616. - codebook generator
  617. - RoQ video encoder
  618. - QTRLE encoder
  619. - OS/2 support removed and restored again
  620. - AC-3 decoder
  621. - NUT muxer
  622. - additional SPARC (VIS) optimizations
  623. - Matroska muxer
  624. - slice-based parallel H.264 decoding
  625. - Monkey's Audio demuxer and decoder
  626. - AMV audio and video decoder
  627. - DNxHD encoder
  628. - H.264 PAFF decoding
  629. - Nellymoser ASAO decoder
  630. - Beam Software SIFF demuxer and decoder
  631. - libvorbis Vorbis decoding removed in favor of native decoder
  632. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
  633. - Ogg (Theora, Vorbis and FLAC) muxer
  634. - The "device" muxers and demuxers are now in a new libavdevice library
  635. - PC Paintbrush PCX decoder
  636. - Sun Rasterfile decoder
  637. - TechnoTrend PVA demuxer
  638. - Linux Media Labs MPEG-4 (LMLM4) demuxer
  639. - AVM2 (Flash 9) SWF muxer
  640. - QT variant of IMA ADPCM encoder
  641. - VFW grabber
  642. - iPod/iPhone compatible mp4 muxer
  643. - Mimic decoder
  644. - MSN TCP Webcam stream demuxer
  645. - RL2 demuxer / decoder
  646. - IFF demuxer
  647. - 8SVX audio decoder
  648. - non-recursive Makefiles
  649. - BFI demuxer
  650. - MAXIS EA XA (.xa) demuxer / decoder
  651. - BFI video decoder
  652. - OMA demuxer
  653. - MLP/TrueHD decoder
  654. - Electronic Arts CMV decoder
  655. - Motion Pixels Video decoder
  656. - Motion Pixels MVI demuxer
  657. - removed animated GIF decoder/demuxer
  658. - D-Cinema audio muxer
  659. - Electronic Arts TGV decoder
  660. - Apple Lossless Audio Codec (ALAC) encoder
  661. - AAC decoder
  662. - floating point PCM encoder/decoder
  663. - MXF muxer
  664. - DV100 AKA DVCPRO HD decoder and demuxer
  665. - E-AC-3 support added to AC-3 decoder
  666. - Nellymoser ASAO encoder
  667. - ASS and SSA demuxer and muxer
  668. - liba52 wrapper removed
  669. - SVQ3 watermark decoding support
  670. - Speex decoding via libspeex
  671. - Electronic Arts TGQ decoder
  672. - RV40 decoder
  673. - QCELP / PureVoice decoder
  674. - RV30 decoder
  675. - hybrid WavPack support
  676. - R3D REDCODE demuxer
  677. - ALSA support for playback and record
  678. - Electronic Arts TQI decoder
  679. - OpenJPEG based JPEG 2000 decoder
  680. - NC (NC4600) camera file demuxer
  681. - Gopher client support
  682. - MXF D-10 muxer
  683. - generic metadata API
  684. version 0.4.9-pre1:
  685. - DV encoder, DV muxer
  686. - Microsoft RLE video decoder
  687. - Microsoft Video-1 decoder
  688. - Apple Animation (RLE) decoder
  689. - Apple Graphics (SMC) decoder
  690. - Apple Video (RPZA) decoder
  691. - Cinepak decoder
  692. - Sega FILM (CPK) file demuxer
  693. - Westwood multimedia support (VQA & AUD files)
  694. - Id Quake II CIN playback support
  695. - 8BPS video decoder
  696. - FLIC playback support
  697. - RealVideo 2.0 (RV20) decoder
  698. - Duck TrueMotion v1 (DUCK) video decoder
  699. - Sierra VMD demuxer and video decoder
  700. - MSZH and ZLIB decoder support
  701. - SVQ1 video encoder
  702. - AMR-WB support
  703. - PPC optimizations
  704. - rate distortion optimal cbp support
  705. - rate distorted optimal ac prediction for MPEG-4
  706. - rate distorted optimal lambda->qp support
  707. - AAC encoding with libfaac
  708. - Sunplus JPEG codec (SP5X) support
  709. - use Lagrange multiplier instead of QP for ratecontrol
  710. - Theora/VP3 decoding support
  711. - XA and ADX ADPCM codecs
  712. - export MPEG-2 active display area / pan scan
  713. - Add support for configuring with IBM XLC
  714. - floating point AAN DCT
  715. - initial support for zygo video (not complete)
  716. - RGB ffv1 support
  717. - new audio/video parser API
  718. - av_log() system
  719. - av_read_frame() and av_seek_frame() support
  720. - missing last frame fixes
  721. - seek by mouse in ffplay
  722. - noise reduction of DCT coefficients
  723. - H.263 OBMC & 4MV support
  724. - H.263 alternative inter vlc support
  725. - H.263 loop filter
  726. - H.263 slice structured mode
  727. - interlaced DCT support for MPEG-2 encoding
  728. - stuffing to stay above min_bitrate
  729. - MB type & QP visualization
  730. - frame stepping for ffplay
  731. - interlaced motion estimation
  732. - alternate scantable support
  733. - SVCD scan offset support
  734. - closed GOP support
  735. - SSE2 FDCT
  736. - quantizer noise shaping
  737. - G.726 ADPCM audio codec
  738. - MS ADPCM encoding
  739. - multithreaded/SMP motion estimation
  740. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
  741. - multithreaded/SMP decoding for MPEG-2
  742. - FLAC decoder
  743. - Metrowerks CodeWarrior suppport
  744. - H.263+ custom pcf support
  745. - nicer output for 'ffmpeg -formats'
  746. - Matroska demuxer
  747. - SGI image format, encoding and decoding
  748. - H.264 loop filter support
  749. - H.264 CABAC support
  750. - nicer looking arrows for the motion vector visualization
  751. - improved VCD support
  752. - audio timestamp drift compensation
  753. - MPEG-2 YUV 422/444 support
  754. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
  755. - better image scaling
  756. - H.261 support
  757. - correctly interleave packets during encoding
  758. - VIS optimized motion compensation
  759. - intra_dc_precision>0 encoding support
  760. - support reuse of motion vectors/MB types/field select values of the source video
  761. - more accurate deblock filter
  762. - padding support
  763. - many optimizations and bugfixes
  764. - FunCom ISS audio file demuxer and according ADPCM decoding
  765. version 0.4.8:
  766. - MPEG-2 video encoding (Michael)
  767. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
  768. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
  769. and Mario Brito)
  770. - Xan DPCM audio decoder (Mario Brito)
  771. - Interplay MVE playback subsystem (Mike Melanson)
  772. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
  773. version 0.4.7:
  774. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
  775. (originally from public domain player for Amiga at http://www.honeypot.net/audio)
  776. - current version now also compiles with older GCC (Fabrice)
  777. - 4X multimedia playback system including 4xm file demuxer (Mike
  778. Melanson), and 4X video and audio codecs (Michael)
  779. - Creative YUV (CYUV) decoder (Mike Melanson)
  780. - FFV1 codec (our very simple lossless intra only codec, compresses much better
  781. than HuffYUV) (Michael)
  782. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
  783. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
  784. alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
  785. - ffplay has been replaced with a newer version which uses SDL (optionally)
  786. for multiplatform support (Fabrice)
  787. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
  788. by anonymous
  789. - AMR format has been added (Johannes Carlsson)
  790. - 3GP support has been added (Johannes Carlsson)
  791. - VP3 codec has been added (Mike Melanson)
  792. - more MPEG-1/2 fixes
  793. - better multiplatform support, MS Visual Studio fixes (various)
  794. - AltiVec optimizations (Magnus Damn and others)
  795. - SH4 processor support has been added (BERO)
  796. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
  797. - VOB streaming support (Brian Foley)
  798. - better MP3 autodetection (Andriy Rysin)
  799. - qpel encoding (Michael)
  800. - 4mv+b frames encoding finally fixed (Michael)
  801. - chroma ME (Michael)
  802. - 5 comparison functions for ME (Michael)
  803. - B-frame encoding speedup (Michael)
  804. - WMV2 codec (unfinished - Michael)
  805. - user specified diamond size for EPZS (Michael)
  806. - Playstation STR playback subsystem, still experimental (Mike and Michael)
  807. - ASV2 codec (Michael)
  808. - CLJR decoder (Alex)
  809. .. And lots more new enhancements and fixes.
  810. version 0.4.6:
  811. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
  812. from scratch
  813. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
  814. - fix quantization bug in AC3 encoder
  815. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
  816. - added prototype ffplay program
  817. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
  818. - bug fix on MCBPC tables of H.263 (Juanjo)
  819. - bug fix on DC coefficients of H.263 (Juanjo)
  820. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
  821. - now we can decode H.263 streams found in QuickTime files (Juanjo)
  822. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
  823. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
  824. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
  825. - now H.263 picture size is returned on the first decoded frame (Juanjo)
  826. - added first regression tests
  827. - added MPEG-2 TS demuxer
  828. - new demux API for libav
  829. - more accurate and faster IDCT (Michael)
  830. - faster and entropy-controlled motion search (Michael)
  831. - two pass video encoding (Michael)
  832. - new video rate control (Michael)
  833. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
  834. - great performance improvement of video encoders and decoders (Michael)
  835. - new and faster bit readers and vlc parsers (Michael)
  836. - high quality encoding mode: tries all macroblock/VLC types (Michael)
  837. - added DV video decoder
  838. - preliminary RTP/RTSP support in ffserver and libavformat
  839. - H.263+ AIC decoding/encoding support (Juanjo)
  840. - VCD MPEG-PS mode (Juanjo)
  841. - PSNR stuff (Juanjo)
  842. - simple stats output (Juanjo)
  843. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
  844. version 0.4.5:
  845. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
  846. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
  847. - added configure system (actually a small shell script)
  848. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
  849. Michael Hipp (temporary solution - waiting for integer only
  850. decoder)
  851. - fixed VIDIOCSYNC interrupt
  852. - added Intel H.263 decoding support ('I263' AVI fourCC)
  853. - added Real Video 1.0 decoding (needs further testing)
  854. - simplified image formats again. Added PGM format (=grey
  855. pgm). Renamed old PGM to PGMYUV.
  856. - fixed msmpeg4 slice issues (tell me if you still find problems)
  857. - fixed OpenDivX bugs with newer versions (added VOL header decoding)
  858. - added support for MPlayer interface
  859. - added macroblock skip optimization
  860. - added MJPEG decoder
  861. - added mmx/mmxext IDCT from libmpeg2
  862. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
  863. <celer at shell.scrypt.net>)
  864. - added pixel format conversion layer (e.g. for MJPEG or PPM)
  865. - added deinterlacing option
  866. - MPEG-1/2 fixes
  867. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
  868. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
  869. - Windows porting of file converter
  870. - added MJPEG raw format (input/ouput)
  871. - added JPEG image format support (input/output)
  872. version 0.4.4:
  873. - fixed some std header definitions (Bjorn Lindgren
  874. <bjorn.e.lindgren at telia.com>).
  875. - added MPEG demuxer (MPEG-1 and 2 compatible).
  876. - added ASF demuxer
  877. - added prototype RM demuxer
  878. - added AC3 decoding (done with libac3 by Aaron Holtzman)
  879. - added decoding codec parameter guessing (.e.g. for MPEG, because the
  880. header does not include them)
  881. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
  882. play them (only tested video)
  883. - fixed H.263 white bug
  884. - fixed phase rounding in img resample filter
  885. - add MMX code for polyphase img resample filter
  886. - added CPU autodetection
  887. - added generic title/author/copyright/comment string handling (ASF and RM
  888. use them)
  889. - added SWF demux to extract MP3 track (not usable yet because no MP3
  890. decoder)
  891. - added fractional frame rate support
  892. - codecs are no longer searched by read_header() (should fix ffserver
  893. segfault)
  894. version 0.4.3:
  895. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
  896. - fixed raw yuv output
  897. - added motion rounding support in MPEG-4
  898. - fixed motion bug rounding in MSMPEG4
  899. - added B-frame handling in video core
  900. - added full MPEG-1 decoding support
  901. - added partial (frame only) MPEG-2 support
  902. - changed the FOURCC code for H.263 to "U263" to be able to see the
  903. +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
  904. this +codec ;) (JuanJo).
  905. - Halfpel motion estimation after MB type selection (JuanJo)
  906. - added pgm and .Y.U.V output format
  907. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
  908. output.
  909. - added pgmpipe I/O format (original patch from Martin Aumueller
  910. <lists at reserv.at>, but changed completely since we use a format
  911. instead of a protocol)
  912. version 0.4.2:
  913. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
  914. (for OpenDivX) is almost complete: 8x8 MVs and rounding are
  915. missing. MSMPEG4 support is complete.
  916. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
  917. can decode ffmpeg MPEGs :-)).
  918. - added libavcodec API documentation (see apiexample.c).
  919. - fixed image polyphase bug (the bottom of some images could be
  920. greenish)
  921. - added support for non clipped motion vectors (decoding only)
  922. and image sizes non-multiple of 16
  923. - added support for AC prediction (decoding only)
  924. - added file overwrite confirmation (can be disabled with -y)
  925. - added custom size picture to H.263 using H.263+ (Juanjo)
  926. version 0.4.1:
  927. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
  928. of AVI and ASF to DIV3.
  929. - added -me option to set motion estimation method
  930. (default=log). suppressed redundant -hq option.
  931. - added options -acodec and -vcodec to force a given codec (useful for
  932. AVI for example)
  933. - fixed -an option
  934. - improved dct_quantize speed
  935. - factorized some motion estimation code
  936. version 0.4.0:
  937. - removing grab code from ffserver and moved it to ffmpeg. Added
  938. multistream support to ffmpeg.
  939. - added timeshifting support for live feeds (option ?date=xxx in the
  940. URL)
  941. - added high quality image resize code with polyphase filter (need
  942. mmx/see optimization). Enable multiple image size support in ffserver.
  943. - added multi live feed support in ffserver
  944. - suppressed master feature from ffserver (it should be done with an
  945. external program which opens the .ffm url and writes it to another
  946. ffserver)
  947. - added preliminary support for video stream parsing (WAV and AVI half
  948. done). Added proper support for audio/video file conversion in
  949. ffmpeg.
  950. - added preliminary support for video file sending from ffserver
  951. - redesigning I/O subsystem: now using URL based input and output
  952. (see avio.h)
  953. - added WAV format support
  954. - added "tty user interface" to ffmpeg to stop grabbing gracefully
  955. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
  956. (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
  957. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
  958. - added new motion estimation algorithms, log and phods (Juanjo)
  959. - changed directories: libav for format handling, libavcodec for
  960. codecs
  961. version 0.3.4:
  962. - added stereo in MPEG audio encoder
  963. version 0.3.3:
  964. - added 'high quality' mode which use motion vectors. It can be used in
  965. real time at low resolution.
  966. - fixed rounding problems which caused quality problems at high
  967. bitrates and large GOP size
  968. version 0.3.2: small fixes
  969. - ASF fixes
  970. - put_seek bug fix
  971. version 0.3.1: added avi/divx support
  972. - added AVI support
  973. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
  974. - added sound for flash format (not tested)
  975. version 0.3: initial public release