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