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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. - PB-frame decoding for H.263
  5. - deprecated vhook subsystem removed
  6. - deprecated old scaler removed
  7. - VQF demuxer
  8. - Alpha channel scaler
  9. - PCX encoder
  10. - RTP packetization of H.263
  11. - RTP packetization of AMR
  12. - RTP depacketization of Vorbis
  13. - CorePNG decoding support
  14. - Cook multichannel decoding support
  15. - introduced avlanguage helpers in libavformat
  16. - 8088flex TMV demuxer and decoder
  17. - per-stream language-tags extraction in asfdec
  18. - V210 decoder and encoder
  19. - remaining GPL parts in AC-3 decoder converted to LGPL
  20. - QCP demuxer
  21. - SoX native format muxer and demuxer
  22. version 0.5:
  23. - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
  24. - TechSmith Camtasia (TSCC) video decoder
  25. - IBM Ultimotion (ULTI) video decoder
  26. - Sierra Online audio file demuxer and decoder
  27. - Apple QuickDraw (qdrw) video decoder
  28. - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
  29. - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
  30. - Miro VideoXL (VIXL) video decoder
  31. - H.261 video encoder
  32. - QPEG video decoder
  33. - Nullsoft Video (NSV) file demuxer
  34. - Shorten audio decoder
  35. - LOCO video decoder
  36. - Apple Lossless Audio Codec (ALAC) decoder
  37. - Winnov WNV1 video decoder
  38. - Autodesk Animator Studio Codec (AASC) decoder
  39. - Indeo 2 video decoder
  40. - Fraps FPS1 video decoder
  41. - Snow video encoder/decoder
  42. - Sonic audio encoder/decoder
  43. - Vorbis audio decoder
  44. - Macromedia ADPCM decoder
  45. - Duck TrueMotion 2 video decoder
  46. - support for decoding FLX and DTA extensions in FLIC files
  47. - H.264 custom quantization matrices support
  48. - ffserver fixed, it should now be usable again
  49. - QDM2 audio decoder
  50. - Real Cooker audio decoder
  51. - TrueSpeech audio decoder
  52. - WMA2 audio decoder fixed, now all files should play correctly
  53. - RealAudio 14.4 and 28.8 decoders fixed
  54. - JPEG-LS decoder
  55. - build system improvements
  56. - tabs and trailing whitespace removed from the codebase
  57. - CamStudio video decoder
  58. - AIFF/AIFF-C audio format, encoding and decoding
  59. - ADTS AAC file reading and writing
  60. - Creative VOC file reading and writing
  61. - American Laser Games multimedia (*.mm) playback system
  62. - Zip Motion Blocks Video decoder
  63. - improved Theora/VP3 decoder
  64. - True Audio (TTA) decoder
  65. - AVS demuxer and video decoder
  66. - JPEG-LS encoder
  67. - Smacker demuxer and decoder
  68. - NuppelVideo/MythTV demuxer and RTjpeg decoder
  69. - KMVC decoder
  70. - MPEG-2 intra VLC support
  71. - MPEG-2 4:2:2 encoder
  72. - Flash Screen Video decoder
  73. - GXF demuxer
  74. - Chinese AVS decoder
  75. - GXF muxer
  76. - MXF demuxer
  77. - VC-1/WMV3/WMV9 video decoder
  78. - MacIntel support
  79. - AVISynth support
  80. - VMware video decoder
  81. - VP5 video decoder
  82. - VP6 video decoder
  83. - WavPack lossless audio decoder
  84. - Targa (.TGA) picture decoder
  85. - Vorbis audio encoder
  86. - Delphine Software .cin demuxer/audio and video decoder
  87. - Tiertex .seq demuxer/video decoder
  88. - MTV demuxer
  89. - TIFF picture encoder and decoder
  90. - GIF picture decoder
  91. - Intel Music Coder decoder
  92. - Zip Motion Blocks Video encoder
  93. - Musepack decoder
  94. - Flash Screen Video encoder
  95. - Theora encoding via libtheora
  96. - BMP encoder
  97. - WMA encoder
  98. - GSM-MS encoder and decoder
  99. - DCA decoder
  100. - DXA demuxer and decoder
  101. - DNxHD decoder
  102. - Gamecube movie (.THP) playback system
  103. - Blackfin optimizations
  104. - Interplay C93 demuxer and video decoder
  105. - Bethsoft VID demuxer and video decoder
  106. - CRYO APC demuxer
  107. - Atrac3 decoder
  108. - V.Flash PTX decoder
  109. - RoQ muxer, RoQ audio encoder
  110. - Renderware TXD demuxer and decoder
  111. - extern C declarations for C++ removed from headers
  112. - sws_flags command line option
  113. - codebook generator
  114. - RoQ video encoder
  115. - QTRLE encoder
  116. - OS/2 support removed and restored again
  117. - AC-3 decoder
  118. - NUT muxer
  119. - additional SPARC (VIS) optimizations
  120. - Matroska muxer
  121. - slice-based parallel H.264 decoding
  122. - Monkey's Audio demuxer and decoder
  123. - AMV audio and video decoder
  124. - DNxHD encoder
  125. - H.264 PAFF decoding
  126. - Nellymoser ASAO decoder
  127. - Beam Software SIFF demuxer and decoder
  128. - libvorbis Vorbis decoding removed in favor of native decoder
  129. - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
  130. - Ogg (Theora, Vorbis and FLAC) muxer
  131. - The "device" muxers and demuxers are now in a new libavdevice library
  132. - PC Paintbrush PCX decoder
  133. - Sun Rasterfile decoder
  134. - TechnoTrend PVA demuxer
  135. - Linux Media Labs MPEG-4 (LMLM4) demuxer
  136. - AVM2 (Flash 9) SWF muxer
  137. - QT variant of IMA ADPCM encoder
  138. - VFW grabber
  139. - iPod/iPhone compatible mp4 muxer
  140. - Mimic decoder
  141. - MSN TCP Webcam stream demuxer
  142. - RL2 demuxer / decoder
  143. - IFF demuxer
  144. - 8SVX audio decoder
  145. - non-recursive Makefiles
  146. - BFI demuxer
  147. - MAXIS EA XA (.xa) demuxer / decoder
  148. - BFI video decoder
  149. - OMA demuxer
  150. - MLP/TrueHD decoder
  151. - Electronic Arts CMV decoder
  152. - Motion Pixels Video decoder
  153. - Motion Pixels MVI demuxer
  154. - removed animated GIF decoder/demuxer
  155. - D-Cinema audio muxer
  156. - Electronic Arts TGV decoder
  157. - Apple Lossless Audio Codec (ALAC) encoder
  158. - AAC decoder
  159. - floating point PCM encoder/decoder
  160. - MXF muxer
  161. - DV100 AKA DVCPRO HD decoder and demuxer
  162. - E-AC-3 support added to AC-3 decoder
  163. - Nellymoser ASAO encoder
  164. - ASS and SSA demuxer and muxer
  165. - liba52 wrapper removed
  166. - SVQ3 watermark decoding support
  167. - Speex decoding via libspeex
  168. - Electronic Arts TGQ decoder
  169. - RV40 decoder
  170. - QCELP / PureVoice decoder
  171. - RV30 decoder
  172. - hybrid WavPack support
  173. - R3D REDCODE demuxer
  174. - ALSA support for playback and record
  175. - Electronic Arts TQI decoder
  176. - OpenJPEG based JPEG 2000 decoder
  177. - NC (NC4600) camera file demuxer
  178. - Gopher client support
  179. - MXF D-10 muxer
  180. - generic metadata API
  181. version 0.4.9-pre1:
  182. - DV encoder, DV muxer
  183. - Microsoft RLE video decoder
  184. - Microsoft Video-1 decoder
  185. - Apple Animation (RLE) decoder
  186. - Apple Graphics (SMC) decoder
  187. - Apple Video (RPZA) decoder
  188. - Cinepak decoder
  189. - Sega FILM (CPK) file demuxer
  190. - Westwood multimedia support (VQA & AUD files)
  191. - Id Quake II CIN playback support
  192. - 8BPS video decoder
  193. - FLIC playback support
  194. - RealVideo 2.0 (RV20) decoder
  195. - Duck TrueMotion v1 (DUCK) video decoder
  196. - Sierra VMD demuxer and video decoder
  197. - MSZH and ZLIB decoder support
  198. - SVQ1 video encoder
  199. - AMR-WB support
  200. - PPC optimizations
  201. - rate distortion optimal cbp support
  202. - rate distorted optimal ac prediction for MPEG-4
  203. - rate distorted optimal lambda->qp support
  204. - AAC encoding with libfaac
  205. - Sunplus JPEG codec (SP5X) support
  206. - use Lagrange multipler instead of QP for ratecontrol
  207. - Theora/VP3 decoding support
  208. - XA and ADX ADPCM codecs
  209. - export MPEG-2 active display area / pan scan
  210. - Add support for configuring with IBM XLC
  211. - floating point AAN DCT
  212. - initial support for zygo video (not complete)
  213. - RGB ffv1 support
  214. - new audio/video parser API
  215. - av_log() system
  216. - av_read_frame() and av_seek_frame() support
  217. - missing last frame fixes
  218. - seek by mouse in ffplay
  219. - noise reduction of DCT coefficients
  220. - H.263 OBMC & 4MV support
  221. - H.263 alternative inter vlc support
  222. - H.263 loop filter
  223. - H.263 slice structured mode
  224. - interlaced DCT support for MPEG-2 encoding
  225. - stuffing to stay above min_bitrate
  226. - MB type & QP visualization
  227. - frame stepping for ffplay
  228. - interlaced motion estimation
  229. - alternate scantable support
  230. - SVCD scan offset support
  231. - closed GOP support
  232. - SSE2 FDCT
  233. - quantizer noise shaping
  234. - G.726 ADPCM audio codec
  235. - MS ADPCM encoding
  236. - multithreaded/SMP motion estimation
  237. - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
  238. - multithreaded/SMP decoding for MPEG-2
  239. - FLAC decoder
  240. - Metrowerks CodeWarrior suppport
  241. - H.263+ custom pcf support
  242. - nicer output for 'ffmpeg -formats'
  243. - Matroska demuxer
  244. - SGI image format, encoding and decoding
  245. - H.264 loop filter support
  246. - H.264 CABAC support
  247. - nicer looking arrows for the motion vector visualization
  248. - improved VCD support
  249. - audio timestamp drift compensation
  250. - MPEG-2 YUV 422/444 support
  251. - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
  252. - better image scaling
  253. - H.261 support
  254. - correctly interleave packets during encoding
  255. - VIS optimized motion compensation
  256. - intra_dc_precision>0 encoding support
  257. - support reuse of motion vectors/MB types/field select values of the source video
  258. - more accurate deblock filter
  259. - padding support
  260. - many optimizations and bugfixes
  261. - FunCom ISS audio file demuxer and according ADPCM decoding
  262. version 0.4.8:
  263. - MPEG-2 video encoding (Michael)
  264. - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
  265. - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
  266. and Mario Brito)
  267. - Xan DPCM audio decoder (Mario Brito)
  268. - Interplay MVE playback subsystem (Mike Melanson)
  269. - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
  270. version 0.4.7:
  271. - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
  272. (originally from public domain player for Amiga at http://www.honeypot.net/audio)
  273. - current version now also compiles with older GCC (Fabrice)
  274. - 4X multimedia playback system including 4xm file demuxer (Mike
  275. Melanson), and 4X video and audio codecs (Michael)
  276. - Creative YUV (CYUV) decoder (Mike Melanson)
  277. - FFV1 codec (our very simple lossless intra only codec, compresses much better
  278. than HuffYUV) (Michael)
  279. - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
  280. - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
  281. alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
  282. - ffplay has been replaced with a newer version which uses SDL (optionally)
  283. for multiplatform support (Fabrice)
  284. - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
  285. by anonymous
  286. - AMR format has been added (Johannes Carlsson)
  287. - 3GP support has been added (Johannes Carlsson)
  288. - VP3 codec has been added (Mike Melanson)
  289. - more MPEG-1/2 fixes
  290. - better multiplatform support, MS Visual Studio fixes (various)
  291. - AltiVec optimizations (Magnus Damn and others)
  292. - SH4 processor support has been added (BERO)
  293. - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
  294. - VOB streaming support (Brian Foley)
  295. - better MP3 autodetection (Andriy Rysin)
  296. - qpel encoding (Michael)
  297. - 4mv+b frames encoding finally fixed (Michael)
  298. - chroma ME (Michael)
  299. - 5 comparison functions for ME (Michael)
  300. - B-frame encoding speedup (Michael)
  301. - WMV2 codec (unfinished - Michael)
  302. - user specified diamond size for EPZS (Michael)
  303. - Playstation STR playback subsystem, still experimental (Mike and Michael)
  304. - ASV2 codec (Michael)
  305. - CLJR decoder (Alex)
  306. .. And lots more new enhancements and fixes.
  307. version 0.4.6:
  308. - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
  309. from scratch
  310. - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
  311. - fix quantization bug in AC3 encoder
  312. - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
  313. - added prototype ffplay program
  314. - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
  315. - bug fix on MCBPC tables of H.263 (Juanjo)
  316. - bug fix on DC coefficients of H.263 (Juanjo)
  317. - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
  318. - now we can decode H.263 streams found in QuickTime files (Juanjo)
  319. - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
  320. - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
  321. - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
  322. - now H.263 picture size is returned on the first decoded frame (Juanjo)
  323. - added first regression tests
  324. - added MPEG-2 TS demuxer
  325. - new demux API for libav
  326. - more accurate and faster IDCT (Michael)
  327. - faster and entropy-controlled motion search (Michael)
  328. - two pass video encoding (Michael)
  329. - new video rate control (Michael)
  330. - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
  331. - great performance improvement of video encoders and decoders (Michael)
  332. - new and faster bit readers and vlc parsers (Michael)
  333. - high quality encoding mode: tries all macroblock/VLC types (Michael)
  334. - added DV video decoder
  335. - preliminary RTP/RTSP support in ffserver and libavformat
  336. - H.263+ AIC decoding/encoding support (Juanjo)
  337. - VCD MPEG-PS mode (Juanjo)
  338. - PSNR stuff (Juanjo)
  339. - simple stats output (Juanjo)
  340. - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
  341. version 0.4.5:
  342. - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
  343. - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
  344. - added configure system (actually a small shell script)
  345. - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
  346. Michael Hipp (temporary solution - waiting for integer only
  347. decoder)
  348. - fixed VIDIOCSYNC interrupt
  349. - added Intel H.263 decoding support ('I263' AVI fourCC)
  350. - added Real Video 1.0 decoding (needs further testing)
  351. - simplified image formats again. Added PGM format (=grey
  352. pgm). Renamed old PGM to PGMYUV.
  353. - fixed msmpeg4 slice issues (tell me if you still find problems)
  354. - fixed OpenDivX bugs with newer versions (added VOL header decoding)
  355. - added support for MPlayer interface
  356. - added macroblock skip optimization
  357. - added MJPEG decoder
  358. - added mmx/mmxext IDCT from libmpeg2
  359. - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
  360. <celer at shell.scrypt.net>)
  361. - added pixel format conversion layer (e.g. for MJPEG or PPM)
  362. - added deinterlacing option
  363. - MPEG-1/2 fixes
  364. - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
  365. - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
  366. - Windows porting of file converter
  367. - added MJPEG raw format (input/ouput)
  368. - added JPEG image format support (input/output)
  369. version 0.4.4:
  370. - fixed some std header definitions (Bjorn Lindgren
  371. <bjorn.e.lindgren at telia.com>).
  372. - added MPEG demuxer (MPEG-1 and 2 compatible).
  373. - added ASF demuxer
  374. - added prototype RM demuxer
  375. - added AC3 decoding (done with libac3 by Aaron Holtzman)
  376. - added decoding codec parameter guessing (.e.g. for MPEG, because the
  377. header does not include them)
  378. - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
  379. play them (only tested video)
  380. - fixed H.263 white bug
  381. - fixed phase rounding in img resample filter
  382. - add MMX code for polyphase img resample filter
  383. - added CPU autodetection
  384. - added generic title/author/copyright/comment string handling (ASF and RM
  385. use them)
  386. - added SWF demux to extract MP3 track (not usable yet because no MP3
  387. decoder)
  388. - added fractional frame rate support
  389. - codecs are no longer searched by read_header() (should fix ffserver
  390. segfault)
  391. version 0.4.3:
  392. - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
  393. - fixed raw yuv output
  394. - added motion rounding support in MPEG-4
  395. - fixed motion bug rounding in MSMPEG4
  396. - added B-frame handling in video core
  397. - added full MPEG-1 decoding support
  398. - added partial (frame only) MPEG-2 support
  399. - changed the FOURCC code for H.263 to "U263" to be able to see the
  400. +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
  401. this +codec ;) (JuanJo).
  402. - Halfpel motion estimation after MB type selection (JuanJo)
  403. - added pgm and .Y.U.V output format
  404. - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
  405. output.
  406. - added pgmpipe I/O format (original patch from Martin Aumueller
  407. <lists at reserv.at>, but changed completely since we use a format
  408. instead of a protocol)
  409. version 0.4.2:
  410. - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
  411. (for OpenDivX) is almost complete: 8x8 MVs and rounding are
  412. missing. MSMPEG4 support is complete.
  413. - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
  414. can decode ffmpeg MPEGs :-)).
  415. - added libavcodec API documentation (see apiexample.c).
  416. - fixed image polyphase bug (the bottom of some images could be
  417. greenish)
  418. - added support for non clipped motion vectors (decoding only)
  419. and image sizes non-multiple of 16
  420. - added support for AC prediction (decoding only)
  421. - added file overwrite confirmation (can be disabled with -y)
  422. - added custom size picture to H.263 using H.263+ (Juanjo)
  423. version 0.4.1:
  424. - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
  425. of AVI and ASF to DIV3.
  426. - added -me option to set motion estimation method
  427. (default=log). suppressed redundant -hq option.
  428. - added options -acodec and -vcodec to force a given codec (useful for
  429. AVI for example)
  430. - fixed -an option
  431. - improved dct_quantize speed
  432. - factorized some motion estimation code
  433. version 0.4.0:
  434. - removing grab code from ffserver and moved it to ffmpeg. Added
  435. multistream support to ffmpeg.
  436. - added timeshifting support for live feeds (option ?date=xxx in the
  437. URL)
  438. - added high quality image resize code with polyphase filter (need
  439. mmx/see optimization). Enable multiple image size support in ffserver.
  440. - added multi live feed support in ffserver
  441. - suppressed master feature from ffserver (it should be done with an
  442. external program which opens the .ffm url and writes it to another
  443. ffserver)
  444. - added preliminary support for video stream parsing (WAV and AVI half
  445. done). Added proper support for audio/video file conversion in
  446. ffmpeg.
  447. - added preliminary support for video file sending from ffserver
  448. - redesigning I/O subsystem: now using URL based input and output
  449. (see avio.h)
  450. - added WAV format support
  451. - added "tty user interface" to ffmpeg to stop grabbing gracefully
  452. - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
  453. (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
  454. - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
  455. - added new motion estimation algorithms, log and phods (Juanjo)
  456. - changed directories: libav for format handling, libavcodec for
  457. codecs
  458. version 0.3.4:
  459. - added stereo in MPEG audio encoder
  460. version 0.3.3:
  461. - added 'high quality' mode which use motion vectors. It can be used in
  462. real time at low resolution.
  463. - fixed rounding problems which caused quality problems at high
  464. bitrates and large GOP size
  465. version 0.3.2: small fixes
  466. - ASF fixes
  467. - put_seek bug fix
  468. version 0.3.1: added avi/divx support
  469. - added AVI support
  470. - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
  471. - added sound for flash format (not tested)
  472. version 0.3: initial public release