2 - The "device" muxers and demuxers are now in a new libavdevice library
3 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
4 - TechSmith Camtasia (TSCC) video decoder
5 - IBM Ultimotion (ULTI) video decoder
6 - Sierra Online audio file demuxer and decoder
7 - Apple QuickDraw (qdrw) video decoder
8 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
9 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
10 - Miro VideoXL (VIXL) video decoder
13 - Nullsoft Video (NSV) file demuxer
14 - Shorten audio decoder
16 - Apple Lossless Audio Codec (ALAC) decoder
17 - Winnov WNV1 video decoder
18 - Autodesk Animator Studio Codec (AASC) decoder
19 - Indeo 2 video decoder
20 - Fraps FPS1 video decoder
21 - Snow video encoder/decoder
22 - Sonic audio encoder/decoder
23 - Vorbis audio encoder/decoder
24 - Macromedia ADPCM decoder
25 - Duck TrueMotion 2 video decoder
26 - support for decoding FLX and DTA extensions in FLIC files
27 - H.264 custom quantization matrices support
28 - ffserver fixed, it should now be usable again
30 - Real Cooker audio decoder
31 - TrueSpeech audio decoder
32 - WMA2 audio decoder fixed, now all files should play correctly
33 - RealAudio 14.4 and 28.8 decoders fixed
34 - JPEG-LS encoder and decoder
35 - CamStudio video decoder
36 - build system improvements
37 - tabs and trailing whitespace removed from the codebase
38 - AIFF/AIFF-C audio format, encoding and decoding
39 - ADTS AAC file reading and writing
40 - Creative VOC file reading and writing
41 - American Laser Games multimedia (*.mm) playback system
42 - Zip Blocks Motion Video decoder and encoder
43 - Improved Theora/VP3 decoder
44 - True Audio (TTA) decoder
45 - AVS demuxer and video decoder
46 - Smacker demuxer and decoder
47 - NuppelVideo/MythTV demuxer and RTjpeg decoder
49 - MPEG-2 intra vlc support
50 - MPEG-2 4:2:2 encoder
51 - Flash Screen Video decoder
56 - VC-1/WMV3/WMV9 video decoder
59 - VMware video decoder
62 - WavPack lossless audio decoder
63 - Targa (.TGA) picture decoder
64 - Delphine Software .cin demuxer/audio and video decoder
65 - Tiertex .seq demuxer/video decoder
67 - TIFF picture encoder and decoder
71 - Flash Screen Video encoder
72 - Theora encoding via libtheora
75 - GSM-MS encoder and decoder
77 - DXA demuxer and decoder
79 - Gamecube movie (.THP) playback system
80 - Blackfin optimizations
81 - Interplay C93 demuxer and video decoder
82 - Bethsoft VID demuxer and video decoder
86 - RoQ muxer, audio encoder
87 - Renderware TXD demuxer and decoder
88 - extern C declarations for C++ removed from headers
89 - sws_flags command line option
93 - OS/2 support removed and restored again
95 - NUT muxer (since r10052)
97 - Slice-based parallel H.264 decoding
98 - Monkey's Audio demuxer and decoder
99 - additional SPARC (VIS) optimizations
100 - AMV audio and video decoder
102 - H.264 PAFF decoding
103 - Nellymoser ASAO decoder
104 - Beam Software SIFF demuxer and decoder
105 - libvorbis Vorbis decoding removed in favor of native decoder
106 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
108 - PC Paintbrush PCX decoder
109 - Sun Rasterfile decoder
110 - TechnoTrend PVA demuxer
111 - Linux Media Labs MPEG-4 (LMLM4) demuxer
112 - AVM2 (Flash 9) SWF muxer
113 - QT variant of IMA ADPCM encoder
115 - Ipod/Iphone compatible mp4 muxer
117 - MSN TCP Webcam stream demuxer
118 - RL2 demuxer / decoder
122 - MAXIS EA XA (.xa) demuxer / decoder
126 - Electronic Arts CMV decoder
127 - Motion Pixels Video decoder
128 - Motion Pixels MVI demuxer
129 - removed animated GIF decoder/demuxer
130 - D-Cinema audio muxer
131 - Electronic Arts TGV decoder
135 - DV encoder, DV muxer
136 - Microsoft RLE video decoder
137 - Microsoft Video-1 decoder
138 - Apple Animation (RLE) decoder
139 - Apple Graphics (SMC) decoder
140 - Apple Video (RPZA) decoder
142 - Sega FILM (CPK) file demuxer
143 - Westwood multimedia support (VQA & AUD files)
144 - Id Quake II CIN playback support
146 - FLIC playback support
147 - RealVideo 2.0 (RV20) decoder
148 - Duck TrueMotion v1 (DUCK) video decoder
149 - Sierra VMD demuxer and video decoder
150 - MSZH and ZLIB decoder support
154 - rate distortion optimal cbp support
155 - rate distorted optimal ac prediction for MPEG-4
156 - rate distorted optimal lambda->qp support
157 - AAC encoding with libfaac
158 - Sunplus JPEG codec (SP5X) support
159 - use Lagrange multipler instead of QP for ratecontrol
160 - Theora/VP3 decoding support
161 - XA and ADX ADPCM codecs
162 - export MPEG-2 active display area / pan scan
163 - Add support for configuring with IBM XLC
164 - floating point AAN DCT
165 - initial support for zygo video (not complete)
167 - new audio/video parser API
169 - av_read_frame() and av_seek_frame() support
170 - missing last frame fixes
171 - seek by mouse in ffplay
172 - noise reduction of DCT coefficients
173 - H.263 OBMC & 4MV support
174 - H.263 alternative inter vlc support
176 - H.263 slice structured mode
177 - interlaced DCT support for MPEG-2 encoding
178 - stuffing to stay above min_bitrate
179 - MB type & QP visualization
180 - frame stepping for ffplay
181 - interlaced motion estimation
182 - alternate scantable support
183 - SVCD scan offset support
186 - quantizer noise shaping
187 - G.726 ADPCM audio codec
189 - multithreaded/SMP motion estimation
190 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
191 - multithreaded/SMP decoding for MPEG-2
193 - Metrowerks CodeWarrior suppport
194 - H.263+ custom pcf support
195 - nicer output for 'ffmpeg -formats'
197 - SGI image format, encoding and decoding
198 - H.264 loop filter support
199 - H.264 CABAC support
200 - nicer looking arrows for the motion vector visualization
201 - improved VCD support
202 - audio timestamp drift compensation
203 - MPEG-2 YUV 422/444 support
204 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
205 - better image scaling
207 - correctly interleave packets during encoding
208 - VIS optimized motion compensation
209 - intra_dc_precision>0 encoding support
210 - support reuse of motion vectors/MB types/field select values of the source video
211 - more accurate deblock filter
213 - many optimizations and bugfixes
217 - MPEG-2 video encoding (Michael)
218 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
219 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
221 - Xan DPCM audio decoder (Mario Brito)
222 - Interplay MVE playback subsystem (Mike Melanson)
223 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
227 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
228 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
229 - current version now also compiles with older GCC (Fabrice)
230 - 4X multimedia playback system including 4xm file demuxer (Mike
231 Melanson), and 4X video and audio codecs (Michael)
232 - Creative YUV (CYUV) decoder (Mike Melanson)
233 - FFV1 codec (our very simple lossless intra only codec, compresses much better
234 than HuffYUV) (Michael)
235 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
236 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
237 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
238 - ffplay has been replaced with a newer version which uses SDL (optionally)
239 for multiplatform support (Fabrice)
240 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
242 - AMR format has been added (Johannes Carlsson)
243 - 3GP support has been added (Johannes Carlsson)
244 - VP3 codec has been added (Mike Melanson)
245 - more MPEG-1/2 fixes
246 - better multiplatform support, MS Visual Studio fixes (various)
247 - AltiVec optimizations (Magnus Damn and others)
248 - SH4 processor support has been added (BERO)
249 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
250 - VOB streaming support (Brian Foley)
251 - better MP3 autodetection (Andriy Rysin)
252 - qpel encoding (Michael)
253 - 4mv+b frames encoding finally fixed (Michael)
254 - chroma ME (Michael)
255 - 5 comparison functions for ME (Michael)
256 - B-frame encoding speedup (Michael)
257 - WMV2 codec (unfinished - Michael)
258 - user specified diamond size for EPZS (Michael)
259 - Playstation STR playback subsystem, still experimental (Mike and Michael)
260 - ASV2 codec (Michael)
261 - CLJR decoder (Alex)
263 .. And lots more new enhancements and fixes.
267 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
269 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
270 - fix quantization bug in AC3 encoder
271 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
272 - added prototype ffplay program
273 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
274 - bug fix on MCBPC tables of H.263 (Juanjo)
275 - bug fix on DC coefficients of H.263 (Juanjo)
276 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
277 - now we can decode H.263 streams found in QuickTime files (Juanjo)
278 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
279 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
280 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
281 - now H.263 picture size is returned on the first decoded frame (Juanjo)
282 - added first regression tests
283 - added MPEG-2 TS demuxer
284 - new demux API for libav
285 - more accurate and faster IDCT (Michael)
286 - faster and entropy-controlled motion search (Michael)
287 - two pass video encoding (Michael)
288 - new video rate control (Michael)
289 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
290 - great performance improvement of video encoders and decoders (Michael)
291 - new and faster bit readers and vlc parsers (Michael)
292 - high quality encoding mode: tries all macroblock/VLC types (Michael)
293 - added DV video decoder
294 - preliminary RTP/RTSP support in ffserver and libavformat
295 - H.263+ AIC decoding/encoding support (Juanjo)
296 - VCD MPEG-PS mode (Juanjo)
297 - PSNR stuff (Juanjo)
298 - simple stats output (Juanjo)
299 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
303 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
304 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
305 - added configure system (actually a small shell script)
306 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
307 Michael Hipp (temporary solution - waiting for integer only
309 - fixed VIDIOCSYNC interrupt
310 - added Intel H.263 decoding support ('I263' AVI fourCC)
311 - added Real Video 1.0 decoding (needs further testing)
312 - simplified image formats again. Added PGM format (=grey
313 pgm). Renamed old PGM to PGMYUV.
314 - fixed msmpeg4 slice issues (tell me if you still find problems)
315 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
316 - added support for MPlayer interface
317 - added macroblock skip optimization
318 - added MJPEG decoder
319 - added mmx/mmxext IDCT from libmpeg2
320 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
321 <celer at shell.scrypt.net>)
322 - added pixel format conversion layer (e.g. for MJPEG or PPM)
323 - added deinterlacing option
325 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
326 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
327 - Windows porting of file converter
328 - added MJPEG raw format (input/ouput)
329 - added JPEG image format support (input/output)
333 - fixed some std header definitions (Bjorn Lindgren
334 <bjorn.e.lindgren at telia.com>).
335 - added MPEG demuxer (MPEG-1 and 2 compatible).
337 - added prototype RM demuxer
338 - added AC3 decoding (done with libac3 by Aaron Holtzman)
339 - added decoding codec parameter guessing (.e.g. for MPEG, because the
340 header does not include them)
341 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
342 play them (only tested video)
343 - fixed H.263 white bug
344 - fixed phase rounding in img resample filter
345 - add MMX code for polyphase img resample filter
346 - added CPU autodetection
347 - added generic title/author/copyright/comment string handling (ASF and RM
349 - added SWF demux to extract MP3 track (not usable yet because no MP3
351 - added fractional frame rate support
352 - codecs are no longer searched by read_header() (should fix ffserver
357 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
358 - fixed raw yuv output
359 - added motion rounding support in MPEG-4
360 - fixed motion bug rounding in MSMPEG4
361 - added B-frame handling in video core
362 - added full MPEG-1 decoding support
363 - added partial (frame only) MPEG-2 support
364 - changed the FOURCC code for H.263 to "U263" to be able to see the
365 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
366 this +codec ;) (JuanJo).
367 - Halfpel motion estimation after MB type selection (JuanJo)
368 - added pgm and .Y.U.V output format
369 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
371 - added pgmpipe I/O format (original patch from Martin Aumueller
372 <lists at reserv.at>, but changed completely since we use a format
373 instead of a protocol)
377 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
378 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
379 missing. MSMPEG4 support is complete.
380 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
381 can decode ffmpeg MPEGs :-)).
382 - added libavcodec API documentation (see apiexample.c).
383 - fixed image polyphase bug (the bottom of some images could be
385 - added support for non clipped motion vectors (decoding only)
386 and image sizes non-multiple of 16
387 - added support for AC prediction (decoding only)
388 - added file overwrite confirmation (can be disabled with -y)
389 - added custom size picture to H.263 using H.263+ (Juanjo)
393 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
394 of AVI and ASF to DIV3.
395 - added -me option to set motion estimation method
396 (default=log). suppressed redundant -hq option.
397 - added options -acodec and -vcodec to force a given codec (useful for
400 - improved dct_quantize speed
401 - factorized some motion estimation code
405 - removing grab code from ffserver and moved it to ffmpeg. Added
406 multistream support to ffmpeg.
407 - added timeshifting support for live feeds (option ?date=xxx in the
409 - added high quality image resize code with polyphase filter (need
410 mmx/see optimization). Enable multiple image size support in ffserver.
411 - added multi live feed support in ffserver
412 - suppressed master feature from ffserver (it should be done with an
413 external program which opens the .ffm url and writes it to another
415 - added preliminary support for video stream parsing (WAV and AVI half
416 done). Added proper support for audio/video file conversion in
418 - added preliminary support for video file sending from ffserver
419 - redesigning I/O subsystem: now using URL based input and output
421 - added WAV format support
422 - added "tty user interface" to ffmpeg to stop grabbing gracefully
423 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
424 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
425 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
426 - added new motion estimation algorithms, log and phods (Juanjo)
427 - changed directories: libav for format handling, libavcodec for
432 - added stereo in MPEG audio encoder
436 - added 'high quality' mode which use motion vectors. It can be used in
437 real time at low resolution.
438 - fixed rounding problems which caused quality problems at high
439 bitrates and large GOP size
441 version 0.3.2: small fixes
446 version 0.3.1: added avi/divx support
449 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
450 - added sound for flash format (not tested)
452 version 0.3: initial public release