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
120 - DV encoder, DV muxer
121 - Microsoft RLE video decoder
122 - Microsoft Video-1 decoder
123 - Apple Animation (RLE) decoder
124 - Apple Graphics (SMC) decoder
125 - Apple Video (RPZA) decoder
127 - Sega FILM (CPK) file demuxer
128 - Westwood multimedia support (VQA & AUD files)
129 - Id Quake II CIN playback support
131 - FLIC playback support
132 - RealVideo 2.0 (RV20) decoder
133 - Duck TrueMotion v1 (DUCK) video decoder
134 - Sierra VMD demuxer and video decoder
135 - MSZH and ZLIB decoder support
139 - rate distortion optimal cbp support
140 - rate distorted optimal ac prediction for MPEG-4
141 - rate distorted optimal lambda->qp support
142 - AAC encoding with libfaac
143 - Sunplus JPEG codec (SP5X) support
144 - use Lagrange multipler instead of QP for ratecontrol
145 - Theora/VP3 decoding support
146 - XA and ADX ADPCM codecs
147 - export MPEG-2 active display area / pan scan
148 - Add support for configuring with IBM XLC
149 - floating point AAN DCT
150 - initial support for zygo video (not complete)
152 - new audio/video parser API
154 - av_read_frame() and av_seek_frame() support
155 - missing last frame fixes
156 - seek by mouse in ffplay
157 - noise reduction of DCT coefficients
158 - H.263 OBMC & 4MV support
159 - H.263 alternative inter vlc support
161 - H.263 slice structured mode
162 - interlaced DCT support for MPEG-2 encoding
163 - stuffing to stay above min_bitrate
164 - MB type & QP visualization
165 - frame stepping for ffplay
166 - interlaced motion estimation
167 - alternate scantable support
168 - SVCD scan offset support
171 - quantizer noise shaping
172 - G.726 ADPCM audio codec
174 - multithreaded/SMP motion estimation
175 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
176 - multithreaded/SMP decoding for MPEG-2
178 - Metrowerks CodeWarrior suppport
179 - H.263+ custom pcf support
180 - nicer output for 'ffmpeg -formats'
182 - SGI image format, encoding and decoding
183 - H.264 loop filter support
184 - H.264 CABAC support
185 - nicer looking arrows for the motion vector visualization
186 - improved VCD support
187 - audio timestamp drift compensation
188 - MPEG-2 YUV 422/444 support
189 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
190 - better image scaling
192 - correctly interleave packets during encoding
193 - VIS optimized motion compensation
194 - intra_dc_precision>0 encoding support
195 - support reuse of motion vectors/MB types/field select values of the source video
196 - more accurate deblock filter
198 - many optimizations and bugfixes
202 - MPEG-2 video encoding (Michael)
203 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
204 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
206 - Xan DPCM audio decoder (Mario Brito)
207 - Interplay MVE playback subsystem (Mike Melanson)
208 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
212 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
213 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
214 - current version now also compiles with older GCC (Fabrice)
215 - 4X multimedia playback system including 4xm file demuxer (Mike
216 Melanson), and 4X video and audio codecs (Michael)
217 - Creative YUV (CYUV) decoder (Mike Melanson)
218 - FFV1 codec (our very simple lossless intra only codec, compresses much better
219 than HuffYUV) (Michael)
220 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
221 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
222 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
223 - ffplay has been replaced with a newer version which uses SDL (optionally)
224 for multiplatform support (Fabrice)
225 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
227 - AMR format has been added (Johannes Carlsson)
228 - 3GP support has been added (Johannes Carlsson)
229 - VP3 codec has been added (Mike Melanson)
230 - more MPEG-1/2 fixes
231 - better multiplatform support, MS Visual Studio fixes (various)
232 - AltiVec optimizations (Magnus Damn and others)
233 - SH4 processor support has been added (BERO)
234 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
235 - VOB streaming support (Brian Foley)
236 - better MP3 autodetection (Andriy Rysin)
237 - qpel encoding (Michael)
238 - 4mv+b frames encoding finally fixed (Michael)
239 - chroma ME (Michael)
240 - 5 comparison functions for ME (Michael)
241 - B-frame encoding speedup (Michael)
242 - WMV2 codec (unfinished - Michael)
243 - user specified diamond size for EPZS (Michael)
244 - Playstation STR playback subsystem, still experimental (Mike and Michael)
245 - ASV2 codec (Michael)
246 - CLJR decoder (Alex)
248 .. And lots more new enhancements and fixes.
252 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
254 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
255 - fix quantization bug in AC3 encoder
256 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
257 - added prototype ffplay program
258 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
259 - bug fix on MCBPC tables of H.263 (Juanjo)
260 - bug fix on DC coefficients of H.263 (Juanjo)
261 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
262 - now we can decode H.263 streams found in QuickTime files (Juanjo)
263 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
264 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
265 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
266 - now H.263 picture size is returned on the first decoded frame (Juanjo)
267 - added first regression tests
268 - added MPEG-2 TS demuxer
269 - new demux API for libav
270 - more accurate and faster IDCT (Michael)
271 - faster and entropy-controlled motion search (Michael)
272 - two pass video encoding (Michael)
273 - new video rate control (Michael)
274 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
275 - great performance improvement of video encoders and decoders (Michael)
276 - new and faster bit readers and vlc parsers (Michael)
277 - high quality encoding mode: tries all macroblock/VLC types (Michael)
278 - added DV video decoder
279 - preliminary RTP/RTSP support in ffserver and libavformat
280 - H.263+ AIC decoding/encoding support (Juanjo)
281 - VCD MPEG-PS mode (Juanjo)
282 - PSNR stuff (Juanjo)
283 - simple stats output (Juanjo)
284 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
288 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
289 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
290 - added configure system (actually a small shell script)
291 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
292 Michael Hipp (temporary solution - waiting for integer only
294 - fixed VIDIOCSYNC interrupt
295 - added Intel H.263 decoding support ('I263' AVI fourCC)
296 - added Real Video 1.0 decoding (needs further testing)
297 - simplified image formats again. Added PGM format (=grey
298 pgm). Renamed old PGM to PGMYUV.
299 - fixed msmpeg4 slice issues (tell me if you still find problems)
300 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
301 - added support for MPlayer interface
302 - added macroblock skip optimization
303 - added MJPEG decoder
304 - added mmx/mmxext IDCT from libmpeg2
305 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
306 <celer at shell.scrypt.net>)
307 - added pixel format conversion layer (e.g. for MJPEG or PPM)
308 - added deinterlacing option
310 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
311 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
312 - Windows porting of file converter
313 - added MJPEG raw format (input/ouput)
314 - added JPEG image format support (input/output)
318 - fixed some std header definitions (Bjorn Lindgren
319 <bjorn.e.lindgren at telia.com>).
320 - added MPEG demuxer (MPEG-1 and 2 compatible).
322 - added prototype RM demuxer
323 - added AC3 decoding (done with libac3 by Aaron Holtzman)
324 - added decoding codec parameter guessing (.e.g. for MPEG, because the
325 header does not include them)
326 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
327 play them (only tested video)
328 - fixed H.263 white bug
329 - fixed phase rounding in img resample filter
330 - add MMX code for polyphase img resample filter
331 - added CPU autodetection
332 - added generic title/author/copyright/comment string handling (ASF and RM
334 - added SWF demux to extract MP3 track (not usable yet because no MP3
336 - added fractional frame rate support
337 - codecs are no longer searched by read_header() (should fix ffserver
342 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
343 - fixed raw yuv output
344 - added motion rounding support in MPEG-4
345 - fixed motion bug rounding in MSMPEG4
346 - added B-frame handling in video core
347 - added full MPEG-1 decoding support
348 - added partial (frame only) MPEG-2 support
349 - changed the FOURCC code for H.263 to "U263" to be able to see the
350 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
351 this +codec ;) (JuanJo).
352 - Halfpel motion estimation after MB type selection (JuanJo)
353 - added pgm and .Y.U.V output format
354 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
356 - added pgmpipe I/O format (original patch from Martin Aumueller
357 <lists at reserv.at>, but changed completely since we use a format
358 instead of a protocol)
362 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
363 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
364 missing. MSMPEG4 support is complete.
365 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
366 can decode ffmpeg MPEGs :-)).
367 - added libavcodec API documentation (see apiexample.c).
368 - fixed image polyphase bug (the bottom of some images could be
370 - added support for non clipped motion vectors (decoding only)
371 and image sizes non-multiple of 16
372 - added support for AC prediction (decoding only)
373 - added file overwrite confirmation (can be disabled with -y)
374 - added custom size picture to H.263 using H.263+ (Juanjo)
378 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
379 of AVI and ASF to DIV3.
380 - added -me option to set motion estimation method
381 (default=log). suppressed redundant -hq option.
382 - added options -acodec and -vcodec to force a given codec (useful for
385 - improved dct_quantize speed
386 - factorized some motion estimation code
390 - removing grab code from ffserver and moved it to ffmpeg. Added
391 multistream support to ffmpeg.
392 - added timeshifting support for live feeds (option ?date=xxx in the
394 - added high quality image resize code with polyphase filter (need
395 mmx/see optimization). Enable multiple image size support in ffserver.
396 - added multi live feed support in ffserver
397 - suppressed master feature from ffserver (it should be done with an
398 external program which opens the .ffm url and writes it to another
400 - added preliminary support for video stream parsing (WAV and AVI half
401 done). Added proper support for audio/video file conversion in
403 - added preliminary support for video file sending from ffserver
404 - redesigning I/O subsystem: now using URL based input and output
406 - added WAV format support
407 - added "tty user interface" to ffmpeg to stop grabbing gracefully
408 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
409 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
410 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
411 - added new motion estimation algorithms, log and phods (Juanjo)
412 - changed directories: libav for format handling, libavcodec for
417 - added stereo in MPEG audio encoder
421 - added 'high quality' mode which use motion vectors. It can be used in
422 real time at low resolution.
423 - fixed rounding problems which caused quality problems at high
424 bitrates and large GOP size
426 version 0.3.2: small fixes
431 version 0.3.1: added avi/divx support
434 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
435 - added sound for flash format (not tested)
437 version 0.3: initial public release