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
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
33 - Nullsoft Video (NSV) file demuxer
34 - Shorten audio 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
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
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
67 - Smacker demuxer and decoder
68 - NuppelVideo/MythTV demuxer and RTjpeg decoder
70 - MPEG-2 intra VLC support
71 - MPEG-2 4:2:2 encoder
72 - Flash Screen Video decoder
77 - VC-1/WMV3/WMV9 video decoder
80 - VMware 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
89 - TIFF picture encoder and decoder
91 - Intel Music Coder decoder
92 - Zip Motion Blocks Video encoder
94 - Flash Screen Video encoder
95 - Theora encoding via libtheora
98 - GSM-MS encoder and decoder
100 - DXA demuxer and decoder
102 - Gamecube movie (.THP) playback system
103 - Blackfin optimizations
104 - Interplay C93 demuxer and video decoder
105 - Bethsoft VID demuxer and video 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
116 - OS/2 support removed and restored again
119 - additional SPARC (VIS) optimizations
121 - slice-based parallel H.264 decoding
122 - Monkey's Audio demuxer and decoder
123 - AMV audio and video decoder
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
139 - iPod/iPhone compatible mp4 muxer
141 - MSN TCP Webcam stream demuxer
142 - RL2 demuxer / decoder
145 - non-recursive Makefiles
147 - MAXIS EA XA (.xa) demuxer / 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
159 - floating point PCM encoder/decoder
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
170 - QCELP / PureVoice 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
180 - generic metadata API
186 - DV encoder, DV muxer
187 - Microsoft RLE video decoder
188 - Microsoft Video-1 decoder
189 - Apple Animation (RLE) decoder
190 - Apple Graphics (SMC) decoder
191 - Apple Video (RPZA) decoder
193 - Sega FILM (CPK) file demuxer
194 - Westwood multimedia support (VQA & AUD files)
195 - Id Quake II CIN playback support
197 - FLIC playback support
198 - RealVideo 2.0 (RV20) decoder
199 - Duck TrueMotion v1 (DUCK) video decoder
200 - Sierra VMD demuxer and video decoder
201 - MSZH and ZLIB decoder support
205 - rate distortion optimal cbp support
206 - rate distorted optimal ac prediction for MPEG-4
207 - rate distorted optimal lambda->qp support
208 - AAC encoding with libfaac
209 - Sunplus JPEG codec (SP5X) support
210 - use Lagrange multipler instead of QP for ratecontrol
211 - Theora/VP3 decoding support
212 - XA and ADX ADPCM codecs
213 - export MPEG-2 active display area / pan scan
214 - Add support for configuring with IBM XLC
215 - floating point AAN DCT
216 - initial support for zygo video (not complete)
218 - new audio/video parser API
220 - av_read_frame() and av_seek_frame() support
221 - missing last frame fixes
222 - seek by mouse in ffplay
223 - noise reduction of DCT coefficients
224 - H.263 OBMC & 4MV support
225 - H.263 alternative inter vlc support
227 - H.263 slice structured mode
228 - interlaced DCT support for MPEG-2 encoding
229 - stuffing to stay above min_bitrate
230 - MB type & QP visualization
231 - frame stepping for ffplay
232 - interlaced motion estimation
233 - alternate scantable support
234 - SVCD scan offset support
237 - quantizer noise shaping
238 - G.726 ADPCM audio codec
240 - multithreaded/SMP motion estimation
241 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
242 - multithreaded/SMP decoding for MPEG-2
244 - Metrowerks CodeWarrior suppport
245 - H.263+ custom pcf support
246 - nicer output for 'ffmpeg -formats'
248 - SGI image format, encoding and decoding
249 - H.264 loop filter support
250 - H.264 CABAC support
251 - nicer looking arrows for the motion vector visualization
252 - improved VCD support
253 - audio timestamp drift compensation
254 - MPEG-2 YUV 422/444 support
255 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
256 - better image scaling
258 - correctly interleave packets during encoding
259 - VIS optimized motion compensation
260 - intra_dc_precision>0 encoding support
261 - support reuse of motion vectors/MB types/field select values of the source video
262 - more accurate deblock filter
264 - many optimizations and bugfixes
265 - FunCom ISS audio file demuxer and according ADPCM decoding
271 - MPEG-2 video encoding (Michael)
272 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
273 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
275 - Xan DPCM audio decoder (Mario Brito)
276 - Interplay MVE playback subsystem (Mike Melanson)
277 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
283 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
284 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
285 - current version now also compiles with older GCC (Fabrice)
286 - 4X multimedia playback system including 4xm file demuxer (Mike
287 Melanson), and 4X video and audio codecs (Michael)
288 - Creative YUV (CYUV) decoder (Mike Melanson)
289 - FFV1 codec (our very simple lossless intra only codec, compresses much better
290 than HuffYUV) (Michael)
291 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
292 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
293 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
294 - ffplay has been replaced with a newer version which uses SDL (optionally)
295 for multiplatform support (Fabrice)
296 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
298 - AMR format has been added (Johannes Carlsson)
299 - 3GP support has been added (Johannes Carlsson)
300 - VP3 codec has been added (Mike Melanson)
301 - more MPEG-1/2 fixes
302 - better multiplatform support, MS Visual Studio fixes (various)
303 - AltiVec optimizations (Magnus Damn and others)
304 - SH4 processor support has been added (BERO)
305 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
306 - VOB streaming support (Brian Foley)
307 - better MP3 autodetection (Andriy Rysin)
308 - qpel encoding (Michael)
309 - 4mv+b frames encoding finally fixed (Michael)
310 - chroma ME (Michael)
311 - 5 comparison functions for ME (Michael)
312 - B-frame encoding speedup (Michael)
313 - WMV2 codec (unfinished - Michael)
314 - user specified diamond size for EPZS (Michael)
315 - Playstation STR playback subsystem, still experimental (Mike and Michael)
316 - ASV2 codec (Michael)
317 - CLJR decoder (Alex)
319 .. And lots more new enhancements and fixes.
325 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
327 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
328 - fix quantization bug in AC3 encoder
329 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
330 - added prototype ffplay program
331 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
332 - bug fix on MCBPC tables of H.263 (Juanjo)
333 - bug fix on DC coefficients of H.263 (Juanjo)
334 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
335 - now we can decode H.263 streams found in QuickTime files (Juanjo)
336 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
337 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
338 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
339 - now H.263 picture size is returned on the first decoded frame (Juanjo)
340 - added first regression tests
341 - added MPEG-2 TS demuxer
342 - new demux API for libav
343 - more accurate and faster IDCT (Michael)
344 - faster and entropy-controlled motion search (Michael)
345 - two pass video encoding (Michael)
346 - new video rate control (Michael)
347 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
348 - great performance improvement of video encoders and decoders (Michael)
349 - new and faster bit readers and vlc parsers (Michael)
350 - high quality encoding mode: tries all macroblock/VLC types (Michael)
351 - added DV video decoder
352 - preliminary RTP/RTSP support in ffserver and libavformat
353 - H.263+ AIC decoding/encoding support (Juanjo)
354 - VCD MPEG-PS mode (Juanjo)
355 - PSNR stuff (Juanjo)
356 - simple stats output (Juanjo)
357 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
363 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
364 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
365 - added configure system (actually a small shell script)
366 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
367 Michael Hipp (temporary solution - waiting for integer only
369 - fixed VIDIOCSYNC interrupt
370 - added Intel H.263 decoding support ('I263' AVI fourCC)
371 - added Real Video 1.0 decoding (needs further testing)
372 - simplified image formats again. Added PGM format (=grey
373 pgm). Renamed old PGM to PGMYUV.
374 - fixed msmpeg4 slice issues (tell me if you still find problems)
375 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
376 - added support for MPlayer interface
377 - added macroblock skip optimization
378 - added MJPEG decoder
379 - added mmx/mmxext IDCT from libmpeg2
380 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
381 <celer at shell.scrypt.net>)
382 - added pixel format conversion layer (e.g. for MJPEG or PPM)
383 - added deinterlacing option
385 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
386 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
387 - Windows porting of file converter
388 - added MJPEG raw format (input/ouput)
389 - added JPEG image format support (input/output)
395 - fixed some std header definitions (Bjorn Lindgren
396 <bjorn.e.lindgren at telia.com>).
397 - added MPEG demuxer (MPEG-1 and 2 compatible).
399 - added prototype RM demuxer
400 - added AC3 decoding (done with libac3 by Aaron Holtzman)
401 - added decoding codec parameter guessing (.e.g. for MPEG, because the
402 header does not include them)
403 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
404 play them (only tested video)
405 - fixed H.263 white bug
406 - fixed phase rounding in img resample filter
407 - add MMX code for polyphase img resample filter
408 - added CPU autodetection
409 - added generic title/author/copyright/comment string handling (ASF and RM
411 - added SWF demux to extract MP3 track (not usable yet because no MP3
413 - added fractional frame rate support
414 - codecs are no longer searched by read_header() (should fix ffserver
421 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
422 - fixed raw yuv output
423 - added motion rounding support in MPEG-4
424 - fixed motion bug rounding in MSMPEG4
425 - added B-frame handling in video core
426 - added full MPEG-1 decoding support
427 - added partial (frame only) MPEG-2 support
428 - changed the FOURCC code for H.263 to "U263" to be able to see the
429 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
430 this +codec ;) (JuanJo).
431 - Halfpel motion estimation after MB type selection (JuanJo)
432 - added pgm and .Y.U.V output format
433 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
435 - added pgmpipe I/O format (original patch from Martin Aumueller
436 <lists at reserv.at>, but changed completely since we use a format
437 instead of a protocol)
443 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
444 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
445 missing. MSMPEG4 support is complete.
446 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
447 can decode ffmpeg MPEGs :-)).
448 - added libavcodec API documentation (see apiexample.c).
449 - fixed image polyphase bug (the bottom of some images could be
451 - added support for non clipped motion vectors (decoding only)
452 and image sizes non-multiple of 16
453 - added support for AC prediction (decoding only)
454 - added file overwrite confirmation (can be disabled with -y)
455 - added custom size picture to H.263 using H.263+ (Juanjo)
460 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
461 of AVI and ASF to DIV3.
462 - added -me option to set motion estimation method
463 (default=log). suppressed redundant -hq option.
464 - added options -acodec and -vcodec to force a given codec (useful for
467 - improved dct_quantize speed
468 - factorized some motion estimation code
474 - removing grab code from ffserver and moved it to ffmpeg. Added
475 multistream support to ffmpeg.
476 - added timeshifting support for live feeds (option ?date=xxx in the
478 - added high quality image resize code with polyphase filter (need
479 mmx/see optimization). Enable multiple image size support in ffserver.
480 - added multi live feed support in ffserver
481 - suppressed master feature from ffserver (it should be done with an
482 external program which opens the .ffm url and writes it to another
484 - added preliminary support for video stream parsing (WAV and AVI half
485 done). Added proper support for audio/video file conversion in
487 - added preliminary support for video file sending from ffserver
488 - redesigning I/O subsystem: now using URL based input and output
490 - added WAV format support
491 - added "tty user interface" to ffmpeg to stop grabbing gracefully
492 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
493 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
494 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
495 - added new motion estimation algorithms, log and phods (Juanjo)
496 - changed directories: libav for format handling, libavcodec for
503 - added stereo in MPEG audio encoder
509 - added 'high quality' mode which use motion vectors. It can be used in
510 real time at low resolution.
511 - fixed rounding problems which caused quality problems at high
512 bitrates and large GOP size
516 version 0.3.2: small fixes
523 version 0.3.1: added avi/divx support
526 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
527 - added sound for flash format (not tested)
531 version 0.3: initial public release