3 - PB-frame decoding for H.263
4 - deprecated vhook subsystem removed
10 - The "device" muxers and demuxers are now in a new libavdevice library
11 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
12 - DV100 AKA DVCPRO HD decoder and demuxer
13 - TechSmith Camtasia (TSCC) video decoder
14 - IBM Ultimotion (ULTI) video decoder
15 - Sierra Online audio file demuxer and decoder
16 - Apple QuickDraw (qdrw) video decoder
17 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
18 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
19 - Miro VideoXL (VIXL) video decoder
22 - Nullsoft Video (NSV) file demuxer
23 - Shorten audio decoder
25 - Apple Lossless Audio Codec (ALAC) decoder
26 - Winnov WNV1 video decoder
27 - Autodesk Animator Studio Codec (AASC) decoder
28 - Indeo 2 video decoder
29 - Fraps FPS1 video decoder
30 - Snow video encoder/decoder
31 - Sonic audio encoder/decoder
32 - Vorbis audio encoder/decoder
33 - Macromedia ADPCM decoder
34 - Duck TrueMotion 2 video decoder
35 - support for decoding FLX and DTA extensions in FLIC files
36 - H.264 custom quantization matrices support
37 - ffserver fixed, it should now be usable again
39 - Real Cooker audio decoder
40 - TrueSpeech audio decoder
41 - WMA2 audio decoder fixed, now all files should play correctly
42 - RealAudio 14.4 and 28.8 decoders fixed
43 - JPEG-LS encoder and decoder
44 - CamStudio video decoder
45 - build system improvements
46 - tabs and trailing whitespace removed from the codebase
47 - AIFF/AIFF-C audio format, encoding and decoding
48 - ADTS AAC file reading and writing
49 - Creative VOC file reading and writing
50 - American Laser Games multimedia (*.mm) playback system
51 - Zip Blocks Motion Video decoder and encoder
52 - improved Theora/VP3 decoder
53 - True Audio (TTA) decoder
54 - AVS demuxer and video decoder
55 - Smacker demuxer and decoder
56 - NuppelVideo/MythTV demuxer and RTjpeg decoder
58 - MPEG-2 intra VLC support
59 - MPEG-2 4:2:2 encoder
60 - Flash Screen Video decoder
65 - VC-1/WMV3/WMV9 video decoder
68 - VMware video decoder
71 - WavPack lossless audio decoder
72 - Targa (.TGA) picture decoder
73 - Delphine Software .cin demuxer/audio and video decoder
74 - Tiertex .seq demuxer/video decoder
76 - TIFF picture encoder and decoder
78 - Intel Music Coder decoder
80 - Flash Screen Video encoder
81 - Theora encoding via libtheora
84 - GSM-MS encoder and decoder
86 - DXA demuxer and decoder
88 - Gamecube movie (.THP) playback system
89 - Blackfin optimizations
90 - Interplay C93 demuxer and video decoder
91 - Bethsoft VID demuxer and video decoder
95 - RoQ muxer, RoQ audio encoder
96 - Renderware TXD demuxer and decoder
97 - extern C declarations for C++ removed from headers
98 - sws_flags command line option
102 - OS/2 support removed and restored again
106 - slice-based parallel H.264 decoding
107 - Monkey's Audio demuxer and decoder
108 - additional SPARC (VIS) optimizations
109 - AMV audio and video decoder
111 - H.264 PAFF decoding
112 - Nellymoser ASAO decoder
113 - Beam Software SIFF demuxer and decoder
114 - libvorbis Vorbis decoding removed in favor of native decoder
115 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
116 - Ogg (Theora, Vorbis and FLAC) muxer
117 - PC Paintbrush PCX decoder
118 - Sun Rasterfile decoder
119 - TechnoTrend PVA demuxer
120 - Linux Media Labs MPEG-4 (LMLM4) demuxer
121 - AVM2 (Flash 9) SWF muxer
122 - QT variant of IMA ADPCM encoder
124 - iPod/iPhone compatible mp4 muxer
126 - MSN TCP Webcam stream demuxer
127 - RL2 demuxer / decoder
130 - non-recursive Makefiles
132 - MAXIS EA XA (.xa) demuxer / decoder
136 - Electronic Arts CMV decoder
137 - Motion Pixels Video decoder
138 - Motion Pixels MVI demuxer
139 - removed animated GIF decoder/demuxer
140 - D-Cinema audio muxer
141 - Electronic Arts TGV decoder
142 - Apple Lossless Audio Codec (ALAC) encoder
144 - floating point PCM encoder/decoder
146 - E-AC-3 support added to AC-3 decoder
147 - Nellymoser ASAO encoder
148 - ASS and SSA demuxer and muxer
149 - liba52 wrapper removed
150 - SVQ3 watermark decoding support
151 - Speex decoding via libspeex
152 - Electronic Arts TGQ decoder
153 - RV30 and RV40 decoder
154 - QCELP / PureVoice decoder
155 - hybrid WavPack support
156 - R3D REDCODE demuxer
157 - ALSA support for playback and record
158 - Electronic Arts TQI decoder
159 - OpenJPEG based JPEG 2000 decoder
160 - NC (NC4600) camera file demuxer
161 - Gopher client support
163 - generic metadata API
169 - DV encoder, DV muxer
170 - Microsoft RLE video decoder
171 - Microsoft Video-1 decoder
172 - Apple Animation (RLE) decoder
173 - Apple Graphics (SMC) decoder
174 - Apple Video (RPZA) decoder
176 - Sega FILM (CPK) file demuxer
177 - Westwood multimedia support (VQA & AUD files)
178 - Id Quake II CIN playback support
180 - FLIC playback support
181 - RealVideo 2.0 (RV20) decoder
182 - Duck TrueMotion v1 (DUCK) video decoder
183 - Sierra VMD demuxer and video decoder
184 - MSZH and ZLIB decoder support
188 - rate distortion optimal cbp support
189 - rate distorted optimal ac prediction for MPEG-4
190 - rate distorted optimal lambda->qp support
191 - AAC encoding with libfaac
192 - Sunplus JPEG codec (SP5X) support
193 - use Lagrange multipler instead of QP for ratecontrol
194 - Theora/VP3 decoding support
195 - XA and ADX ADPCM codecs
196 - export MPEG-2 active display area / pan scan
197 - Add support for configuring with IBM XLC
198 - floating point AAN DCT
199 - initial support for zygo video (not complete)
201 - new audio/video parser API
203 - av_read_frame() and av_seek_frame() support
204 - missing last frame fixes
205 - seek by mouse in ffplay
206 - noise reduction of DCT coefficients
207 - H.263 OBMC & 4MV support
208 - H.263 alternative inter vlc support
210 - H.263 slice structured mode
211 - interlaced DCT support for MPEG-2 encoding
212 - stuffing to stay above min_bitrate
213 - MB type & QP visualization
214 - frame stepping for ffplay
215 - interlaced motion estimation
216 - alternate scantable support
217 - SVCD scan offset support
220 - quantizer noise shaping
221 - G.726 ADPCM audio codec
223 - multithreaded/SMP motion estimation
224 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
225 - multithreaded/SMP decoding for MPEG-2
227 - Metrowerks CodeWarrior suppport
228 - H.263+ custom pcf support
229 - nicer output for 'ffmpeg -formats'
231 - SGI image format, encoding and decoding
232 - H.264 loop filter support
233 - H.264 CABAC support
234 - nicer looking arrows for the motion vector visualization
235 - improved VCD support
236 - audio timestamp drift compensation
237 - MPEG-2 YUV 422/444 support
238 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
239 - better image scaling
241 - correctly interleave packets during encoding
242 - VIS optimized motion compensation
243 - intra_dc_precision>0 encoding support
244 - support reuse of motion vectors/MB types/field select values of the source video
245 - more accurate deblock filter
247 - many optimizations and bugfixes
248 - FunCom ISS audio file demuxer and according ADPCM decoding
254 - MPEG-2 video encoding (Michael)
255 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
256 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
258 - Xan DPCM audio decoder (Mario Brito)
259 - Interplay MVE playback subsystem (Mike Melanson)
260 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
266 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
267 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
268 - current version now also compiles with older GCC (Fabrice)
269 - 4X multimedia playback system including 4xm file demuxer (Mike
270 Melanson), and 4X video and audio codecs (Michael)
271 - Creative YUV (CYUV) decoder (Mike Melanson)
272 - FFV1 codec (our very simple lossless intra only codec, compresses much better
273 than HuffYUV) (Michael)
274 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
275 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
276 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
277 - ffplay has been replaced with a newer version which uses SDL (optionally)
278 for multiplatform support (Fabrice)
279 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
281 - AMR format has been added (Johannes Carlsson)
282 - 3GP support has been added (Johannes Carlsson)
283 - VP3 codec has been added (Mike Melanson)
284 - more MPEG-1/2 fixes
285 - better multiplatform support, MS Visual Studio fixes (various)
286 - AltiVec optimizations (Magnus Damn and others)
287 - SH4 processor support has been added (BERO)
288 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
289 - VOB streaming support (Brian Foley)
290 - better MP3 autodetection (Andriy Rysin)
291 - qpel encoding (Michael)
292 - 4mv+b frames encoding finally fixed (Michael)
293 - chroma ME (Michael)
294 - 5 comparison functions for ME (Michael)
295 - B-frame encoding speedup (Michael)
296 - WMV2 codec (unfinished - Michael)
297 - user specified diamond size for EPZS (Michael)
298 - Playstation STR playback subsystem, still experimental (Mike and Michael)
299 - ASV2 codec (Michael)
300 - CLJR decoder (Alex)
302 .. And lots more new enhancements and fixes.
308 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
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)
346 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
347 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
348 - added configure system (actually a small shell script)
349 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
350 Michael Hipp (temporary solution - waiting for integer only
352 - fixed VIDIOCSYNC interrupt
353 - added Intel H.263 decoding support ('I263' AVI fourCC)
354 - added Real Video 1.0 decoding (needs further testing)
355 - simplified image formats again. Added PGM format (=grey
356 pgm). Renamed old PGM to PGMYUV.
357 - fixed msmpeg4 slice issues (tell me if you still find problems)
358 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
359 - added support for MPlayer interface
360 - added macroblock skip optimization
361 - added MJPEG decoder
362 - added mmx/mmxext IDCT from libmpeg2
363 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
364 <celer at shell.scrypt.net>)
365 - added pixel format conversion layer (e.g. for MJPEG or PPM)
366 - added deinterlacing option
368 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
369 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
370 - Windows porting of file converter
371 - added MJPEG raw format (input/ouput)
372 - added JPEG image format support (input/output)
378 - fixed some std header definitions (Bjorn Lindgren
379 <bjorn.e.lindgren at telia.com>).
380 - added MPEG demuxer (MPEG-1 and 2 compatible).
382 - added prototype RM demuxer
383 - added AC3 decoding (done with libac3 by Aaron Holtzman)
384 - added decoding codec parameter guessing (.e.g. for MPEG, because the
385 header does not include them)
386 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
387 play them (only tested video)
388 - fixed H.263 white bug
389 - fixed phase rounding in img resample filter
390 - add MMX code for polyphase img resample filter
391 - added CPU autodetection
392 - added generic title/author/copyright/comment string handling (ASF and RM
394 - added SWF demux to extract MP3 track (not usable yet because no MP3
396 - added fractional frame rate support
397 - codecs are no longer searched by read_header() (should fix ffserver
404 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
405 - fixed raw yuv output
406 - added motion rounding support in MPEG-4
407 - fixed motion bug rounding in MSMPEG4
408 - added B-frame handling in video core
409 - added full MPEG-1 decoding support
410 - added partial (frame only) MPEG-2 support
411 - changed the FOURCC code for H.263 to "U263" to be able to see the
412 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
413 this +codec ;) (JuanJo).
414 - Halfpel motion estimation after MB type selection (JuanJo)
415 - added pgm and .Y.U.V output format
416 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
418 - added pgmpipe I/O format (original patch from Martin Aumueller
419 <lists at reserv.at>, but changed completely since we use a format
420 instead of a protocol)
426 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
427 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
428 missing. MSMPEG4 support is complete.
429 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
430 can decode ffmpeg MPEGs :-)).
431 - added libavcodec API documentation (see apiexample.c).
432 - fixed image polyphase bug (the bottom of some images could be
434 - added support for non clipped motion vectors (decoding only)
435 and image sizes non-multiple of 16
436 - added support for AC prediction (decoding only)
437 - added file overwrite confirmation (can be disabled with -y)
438 - added custom size picture to H.263 using H.263+ (Juanjo)
443 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
444 of AVI and ASF to DIV3.
445 - added -me option to set motion estimation method
446 (default=log). suppressed redundant -hq option.
447 - added options -acodec and -vcodec to force a given codec (useful for
450 - improved dct_quantize speed
451 - factorized some motion estimation code
457 - removing grab code from ffserver and moved it to ffmpeg. Added
458 multistream support to ffmpeg.
459 - added timeshifting support for live feeds (option ?date=xxx in the
461 - added high quality image resize code with polyphase filter (need
462 mmx/see optimization). Enable multiple image size support in ffserver.
463 - added multi live feed support in ffserver
464 - suppressed master feature from ffserver (it should be done with an
465 external program which opens the .ffm url and writes it to another
467 - added preliminary support for video stream parsing (WAV and AVI half
468 done). Added proper support for audio/video file conversion in
470 - added preliminary support for video file sending from ffserver
471 - redesigning I/O subsystem: now using URL based input and output
473 - added WAV format support
474 - added "tty user interface" to ffmpeg to stop grabbing gracefully
475 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
476 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
477 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
478 - added new motion estimation algorithms, log and phods (Juanjo)
479 - changed directories: libav for format handling, libavcodec for
486 - added stereo in MPEG audio encoder
492 - added 'high quality' mode which use motion vectors. It can be used in
493 real time at low resolution.
494 - fixed rounding problems which caused quality problems at high
495 bitrates and large GOP size
499 version 0.3.2: small fixes
506 version 0.3.1: added avi/divx support
509 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
510 - added sound for flash format (not tested)
514 version 0.3: initial public release