2 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
3 - TechSmith Camtasia (TSCC) video decoder
4 - IBM Ultimotion (ULTI) video decoder
5 - Sierra Online audio file demuxer and decoder
6 - Apple QuickDraw (qdrw) video decoder
7 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
8 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
9 - Miro VideoXL (VIXL) video decoder
12 - Nullsoft Video (NSV) file demuxer
13 - Shorten audio decoder
15 - Apple Lossless Audio Codec (ALAC) decoder
16 - Winnov WNV1 video decoder
17 - Autodesk Animator Studio Codec (AASC) decoder
18 - Indeo 2 video decoder
19 - Fraps FPS1 video decoder
20 - Snow video encoder/decoder
21 - Sonic audio encoder/decoder
22 - Vorbis audio decoder
23 - Macromedia ADPCM decoder
24 - Duck TrueMotion 2 video decoder
25 - support for decoding FLX and DTA extensions in FLIC files
26 - H.264 custom quantization matrices support
27 - ffserver fixed, it should now be usable again
29 - Real Cooker audio decoder
30 - TrueSpeech audio decoder
31 - WMA2 audio decoder fixed, now all files should play correctly
32 - RealAudio 14.4 and 28.8 decoders fixed
33 - JPEG-LS encoder and decoder
34 - CamStudio video decoder
35 - build system improvements
36 - tabs and trailing whitespace removed from the codebase
37 - AIFF/AIFF-C audio format, encoding and decoding
38 - ADTS AAC file reading and writing
39 - Creative VOC file reading and writing
40 - American Laser Games multimedia (*.mm) playback system
41 - Zip Blocks Motion Video decoder
42 - Improved Theora/VP3 decoder
43 - True Audio (TTA) decoder
44 - AVS demuxer and video decoder
45 - Smacker demuxer and decoder
46 - NuppelVideo/MythTV demuxer and RTjpeg decoder
48 - MPEG-2 intra vlc support
49 - MPEG-2 4:2:2 encoder
50 - Flash Screen Video decoder
58 - DV encoder, DV muxer
59 - Microsoft RLE video decoder
60 - Microsoft Video-1 decoder
61 - Apple Animation (RLE) decoder
62 - Apple Graphics (SMC) decoder
63 - Apple Video (RPZA) decoder
65 - Sega FILM (CPK) file demuxer
66 - Westwood multimedia support (VQA & AUD files)
67 - Id Quake II CIN playback support
69 - FLIC playback support
70 - RealVideo 2.0 (RV20) decoder
71 - Duck TrueMotion v1 (DUCK) video decoder
72 - Sierra VMD demuxer and video decoder
73 - MSZH and ZLIB decoder support
77 - rate distortion optimal cbp support
78 - rate distorted optimal ac prediction for MPEG-4
79 - rate distorted optimal lambda->qp support
80 - AAC encoding with libfaac
81 - Sunplus JPEG codec (SP5X) support
82 - use Lagrange multipler instead of QP for ratecontrol
83 - Theora/VP3 decoding support
84 - XA and ADX ADPCM codecs
85 - export MPEG-2 active display area / pan scan
86 - Add support for configuring with IBM XLC
87 - floating point AAN DCT
88 - initial support for zygo video (not complete)
90 - new audio/video parser API
92 - av_read_frame() and av_seek_frame() support
93 - missing last frame fixes
94 - seek by mouse in ffplay
95 - noise reduction of DCT coefficients
96 - H.263 OBMC & 4MV support
97 - H.263 alternative inter vlc support
99 - H.263 slice structured mode
100 - interlaced DCT support for MPEG-2 encoding
101 - stuffing to stay above min_bitrate
102 - MB type & QP visualization
103 - frame stepping for ffplay
104 - interlaced motion estimation
105 - alternate scantable support
106 - SVCD scan offset support
109 - quantizer noise shaping
110 - G.726 ADPCM audio codec
112 - multithreaded/SMP motion estimation
113 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
114 - multithreaded/SMP decoding for MPEG-2
116 - Metrowerks CodeWarrior suppport
117 - H.263+ custom pcf support
118 - nicer output for 'ffmpeg -formats'
120 - SGI image format, encoding and decoding
121 - H.264 loop filter support
122 - H.264 CABAC support
123 - nicer looking arrows for the motion vector vissualization
124 - improved VCD support
125 - audio timestamp drift compensation
126 - MPEG-2 YUV 422/444 support
127 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
128 - better image scaling
130 - correctly interleave packets during encoding
131 - VIS optimized motion compensation
132 - intra_dc_precision>0 encoding support
133 - support reuse of motion vectors/MB types/field select values of the source video
134 - more accurate deblock filter
136 - many optimizations and bugfixes
140 - MPEG-2 video encoding (Michael)
141 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
142 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
144 - Xan DPCM audio decoder (Mario Brito)
145 - Interplay MVE playback subsystem (Mike Melanson)
146 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
150 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
151 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
152 - current version now also compiles with older GCC (Fabrice)
153 - 4X multimedia playback system including 4xm file demuxer (Mike
154 Melanson), and 4X video and audio codecs (Michael)
155 - Creative YUV (CYUV) decoder (Mike Melanson)
156 - FFV1 codec (our very simple lossless intra only codec, compresses much better
157 than HuffYUV) (Michael)
158 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
159 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
160 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
161 - ffplay has been replaced with a newer version which uses SDL (optionally)
162 for multiplatform support (Fabrice)
163 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
165 - AMR format has been added (Johannes Carlsson)
166 - 3GP support has been added (Johannes Carlsson)
167 - VP3 codec has been added (Mike Melanson)
168 - more MPEG-1/2 fixes
169 - better multiplatform support, MS Visual Studio fixes (various)
170 - AltiVec optimizations (Magnus Damn and others)
171 - SH4 processor support has been added (BERO)
172 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
173 - VOB streaming support (Brian Foley)
174 - better MP3 autodetection (Andriy Rysin)
175 - qpel encoding (Michael)
176 - 4mv+b frames encoding finally fixed (Michael)
177 - chroma ME (Michael)
178 - 5 comparison functions for ME (Michael)
179 - B-frame encoding speedup (Michael)
180 - WMV2 codec (unfinished - Michael)
181 - user specified diamond size for EPZS (Michael)
182 - Playstation STR playback subsystem, still experimental (Mike and Michael)
183 - ASV2 codec (Michael)
184 - CLJR decoder (Alex)
186 .. And lots more new enhancements and fixes.
190 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
192 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
193 - fix quantization bug in AC3 encoder
194 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
195 - added prototype ffplay program
196 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
197 - bug fix on MCBPC tables of H.263 (Juanjo)
198 - bug fix on DC coefficients of H.263 (Juanjo)
199 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
200 - now we can decode H.263 streams found in QuickTime files (Juanjo)
201 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
202 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
203 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
204 - now H.263 picture size is returned on the first decoded frame (Juanjo)
205 - added first regression tests
206 - added MPEG-2 TS demuxer
207 - new demux API for libav
208 - more accurate and faster IDCT (Michael)
209 - faster and entropy-controlled motion search (Michael)
210 - two pass video encoding (Michael)
211 - new video rate control (Michael)
212 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
213 - great performance improvement of video encoders and decoders (Michael)
214 - new and faster bit readers and vlc parsers (Michael)
215 - high quality encoding mode: tries all macroblock/VLC types (Michael)
216 - added DV video decoder
217 - preliminary RTP/RTSP support in ffserver and libavformat
218 - H.263+ AIC decoding/encoding support (Juanjo)
219 - VCD MPEG-PS mode (Juanjo)
220 - PSNR stuff (Juanjo)
221 - simple stats output (Juanjo)
222 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
226 - some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>)
227 - many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>)
228 - added configure system (actually a small shell script)
229 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
230 Michael Hipp (temporary solution - waiting for integer only
232 - fixed VIDIOCSYNC interrupt
233 - added Intel H.263 decoding support ('I263' AVI fourCC)
234 - added Real Video 1.0 decoding (needs further testing)
235 - simplified image formats again. Added PGM format (=grey
236 pgm). Renamed old PGM to PGMYUV.
237 - fixed msmpeg4 slice issues (tell me if you still find problems)
238 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
239 - added support for MPlayer interface
240 - added macroblock skip optimization
241 - added MJPEG decoder
242 - added mmx/mmxext IDCT from libmpeg2
243 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
244 <celer@shell.scrypt.net>)
245 - added pixel format conversion layer (e.g. for MJPEG or PPM)
246 - added deinterlacing option
248 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>)
249 - ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
250 - Windows porting of file converter
251 - added MJPEG raw format (input/ouput)
252 - added JPEG image format support (input/output)
256 - fixed some std header definitions (Bjorn Lindgren
257 <bjorn.e.lindgren@telia.com>).
258 - added MPEG demuxer (MPEG-1 and 2 compatible).
260 - added prototype RM demuxer
261 - added AC3 decoding (done with libac3 by Aaron Holtzman)
262 - added decoding codec parameter guessing (.e.g. for MPEG, because the
263 header does not include them)
264 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
265 play them (only tested video)
266 - fixed H.263 white bug
267 - fixed phase rounding in img resample filter
268 - add MMX code for polyphase img resample filter
269 - added CPU autodetection
270 - added generic title/author/copyright/comment string handling (ASF and RM
272 - added SWF demux to extract MP3 track (not usable yet because no MP3
274 - added fractional frame rate support
275 - codecs are no longer searched by read_header() (should fix ffserver
280 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>)
281 - fixed raw yuv output
282 - added motion rounding support in MPEG-4
283 - fixed motion bug rounding in MSMPEG4
284 - added B-frame handling in video core
285 - added full MPEG-1 decoding support
286 - added partial (frame only) MPEG-2 support
287 - changed the FOURCC code for H.263 to "U263" to be able to see the
288 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
289 this +codec ;) (JuanJo).
290 - Halfpel motion estimation after MB type selection (JuanJo)
291 - added pgm and .Y.U.V output format
292 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
294 - added pgmpipe I/O format (original patch from Martin Aumueller
295 <lists@reserv.at>, but changed completely since we use a format
296 instead of a protocol)
300 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
301 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
302 missing. MSMPEG4 support is complete.
303 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
304 can decode ffmpeg MPEGs :-)).
305 - added libavcodec API documentation (see apiexample.c).
306 - fixed image polyphase bug (the bottom of some images could be
308 - added support for non clipped motion vectors (decoding only)
309 and image sizes non-multiple of 16
310 - added support for AC prediction (decoding only)
311 - added file overwrite confirmation (can be disabled with -y)
312 - added custom size picture to H.263 using H.263+ (Juanjo)
316 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
317 of AVI and ASF to DIV3.
318 - added -me option to set motion estimation method
319 (default=log). suppressed redundant -hq option.
320 - added options -acodec and -vcodec to force a given codec (useful for
323 - improved dct_quantize speed
324 - factorized some motion estimation code
328 - removing grab code from ffserver and moved it to ffmpeg. Added
329 multistream support to ffmpeg.
330 - added timeshifting support for live feeds (option ?date=xxx in the
332 - added high quality image resize code with polyphase filter (need
333 mmx/see optimisation). Enable multiple image size support in ffserver.
334 - added multi live feed support in ffserver
335 - suppressed master feature from ffserver (it should be done with an
336 external program which opens the .ffm url and writes it to another
338 - added preliminary support for video stream parsing (WAV and AVI half
339 done). Added proper support for audio/video file conversion in
341 - added preliminary support for video file sending from ffserver
342 - redesigning I/O subsystem: now using URL based input and output
344 - added WAV format support
345 - added "tty user interface" to ffmpeg to stop grabbing gracefully
346 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
347 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>)
348 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
349 - added new motion estimation algorithms, log and phods (Juanjo)
350 - changed directories: libav for format handling, libavcodec for
355 - added stereo in MPEG audio encoder
359 - added 'high quality' mode which use motion vectors. It can be used in
360 real time at low resolution.
361 - fixed rounding problems which caused quality problems at high
362 bitrates and large GOP size
364 version 0.3.2: small fixes
369 version 0.3.1: added avi/divx support
372 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
373 - added sound for flash format (not tested)
375 version 0.3: initial public release