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