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