2 - TechSmith Camtasia (TSCC) video decoder
3 - IBM Ultimotion (ULTI) video decoder
4 - Sierra Online audio file demuxer and decoder
5 - Apple QuickDraw (qdrw) video decoder
6 - Creative ADPCM audio decoder
7 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
8 - Miro VideoXL (VIXL) video decoder
11 - Nullsoft Video (NSV) file demuxer
12 - Shorten audio decoder
14 - Apple Lossless Audio Codec (ALAC) decoder
15 - Winnov WNV1 video decoder
16 - Autodesk Animator Studio Codec (AASC) decoder
17 - Indeo 2 video decoder
18 - Fraps FPS1 video decoder
19 - SNOW video encoder/decoder
20 - Sonic audio encoder/decoder
22 - Macromedia ADPCM decoder
23 - Duck TrueMotion 2 decoder
24 - Support for decoding FLX and DTA extensions in FLIC files
25 - H.264 custom quantization matrices support
29 - DV encoder, DV muxer
30 - Microsoft RLE video decoder
31 - Microsoft Video-1 decoder
32 - Apple Animation (RLE) decoder
33 - Apple Graphics (SMC) decoder
34 - Apple Video (RPZA) decoder
36 - Sega FILM (CPK) file demuxer
37 - Westwood multimedia support (VQA & AUD files)
38 - Id Quake II CIN playback support
40 - FLIC playback support
41 - RealVideo 2.0 (RV20) decoder
42 - Duck TrueMotion v1 (DUCK) video decoder
43 - Sierra VMD demuxer and video decoder
44 - MSZH and ZLIB decoder support
48 - rate distortion optimal cbp support
49 - rate distorted optimal ac prediction for mpeg4
50 - rate distorted optimal lambda->qp support
51 - AAC encoding with libfaac
52 - Sunplus JPEG codec (SP5X) support
53 - use lagrange multipler instead of qp for ratecontrol
54 - theora/VP3 decoding support
55 - XA and ADX ADPCM codecs
56 - export mpeg2 active display area / pan scan
57 - Add support for configuring with IBM XLC
58 - floating point AAN DCT
59 - initial support for zygovideo (not complete)
61 - new audio/video parser API
63 - av_read_frame() and av_seek_frame() support
64 - missing last frame fixes
65 - seek by mouse in ffplay
66 - noise reduction of dct coefficients
67 - h263 OBMC & 4MV support
68 - h263 alternative inter vlc support
70 - h263 slice structured mode
71 - interlaced DCT support for MPEG2 encoding
72 - stuffing to stay above min_bitrate
73 - mb type & qp vissualization
74 - frame stepping for ffplay
75 - interlaced motion estimation
76 - alternate scantable support
77 - SVCD scan offset support
80 - quantizer noise shaping
81 - G.726 ADPCM audio codec
83 - multithreaded/SMP motion estimation
84 - multithreaded/SMP encoding for MPEG1/MPEG2/MPEG4/H263
85 - multithreaded/SMP decoding for MPEG2
87 - Metrowerks CodeWarrior suppport
88 - h263+ custom pcf support
89 - nicer output for 'ffmpeg -formats'
91 - SGI image format, encoding and decoding
92 - h264 loop filter support
94 - nicer looking arrows for the motion vector vissualization
95 - improved VCD support
96 - audio timestamp drift compensation
97 - mpeg2 YUV 422/444 support
98 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
99 - better image scaling
101 - correctly interleave packets during encoding
102 - VIS optimized motion compensation
103 - intra_dc_precission>0 encoding support
104 - support reuse of motion vectors/mb types/field select values of the source video
105 - more accurate deblock filter
107 - many optimizations and bugfixes
111 - MPEG2 video encoding (Michael)
112 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
113 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
115 - Xan DPCM audio decoder (Mario Brito)
116 - Interplay MVE playback subsystem (Mike Melanson)
117 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
121 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq
122 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
123 - Current version now also compiles with older GCC (Fabrice)
124 - 4X multimedia playback system including 4xm file demuxer (Mike
125 Melanson), and 4X video and audio codecs (Michael)
126 - Creative YUV (CYUV) decoder (Mike Melanson)
127 - FFV1 codec (our very simple lossless intra only codec, compresses much better
128 then huffyuv) (Michael)
129 - ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)
130 - Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
131 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
132 - ffplay has been replaced with a newer version which uses SDL (optionally)
133 for multi platform support (fabrice)
134 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
136 - AMR format has been added (Johannes Carlsson)
137 - 3gp support has been added (Johannes Carlsson)
138 - VP3 codec has been added (Mike Melanson)
139 - more MPEG-1/2 fixes
140 - Better Multi platform support, MS Visual Studio fixes (various)
141 - Altivec optimizations (Magnus Damn and others)
142 - SH4 processor support has been added (BERO)
143 - New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
144 - VOB Streaming support (Brian Foley)
145 - Better MP3 Autodetection (Andriy Rysin)
146 - qpel encoding (Michael)
147 - 4mv+b frames encoding finally fixed (Michael)
148 - chroma ME (Michael)
149 - 5 comparission functions for ME (Michael)
150 - b frame encoding speedup (Michael)
151 - wmv2 codec (unfinished - Michael)
152 - user specified diamond size for EPZS (Michael)
153 - Playstation STR playback subsystem, still experimental (Mike and Michael)
154 - ASV2 codec (Michael)
155 - CLJR decoder (Alex)
157 .. And lots more new enhances and fixes.
161 - completely new integer only mpeg audio layer 1/2/3 decoder rewritten
163 - recoded dct and motion vector search with gcc (no longer depends on
165 - fix quantization bug in AC3 encoder.
166 - added PCM codecs and format. Corrected wav/avi/asf pcm issues.
167 - added prototype ffplay program.
168 - added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
169 - bug fix on MCBPC tables of H.263. (Juanjo)
170 - bug fix on DC coefficients of H.263. (Juanjo)
171 - added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
172 - now we can decode H.263 streams found on QuickTime files. (Juanjo)
173 - now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
174 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
175 - added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
176 - now H.263 picture size is returned on the first decoded frame. (Juanjo)
177 - added first regression tests
178 - added MPEG2 TS demux
179 - new demux API for libav
180 - more accurate and faster IDCT (Michael)
181 - faster and entropy controlled motion search (Michael)
182 - two pass video encoding (Michael)
183 - new video rate control (Michael)
184 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
185 - great performance improvement of video encoders and decoders (Michael)
186 - new and faster bit readers and vlc parsers (Michael)
187 - high quality encoding mode : tries all macroblock/VLC types (Michael)
188 - added DV video decoder
189 - preliminary RTP/RTSP support in ffserver and libavformat
190 - H.263+ AIC decoding/encoding support. (Juanjo)
191 - VCD MPEG-PS mode. (Juanjo)
192 - PSNR stuff. (Juanjo)
193 - Simple stats output. (Juanjo)
194 - 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)
198 - some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>).
199 - many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>).
200 - added configure system (actually a small shell script).
201 - added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
202 Michael Hipp (temporary solution - waiting for integer only
204 - fixed VIDIOCSYNC interrupt.
205 - added Intel H263 decoding support ('I263' avi fourCC)
206 - added Real Video 1.0 decoding (needs further testing).
207 - simplified image formats again. Added PGM format (=grey
208 pgm). Renamed old PGM to PGMYUV.
209 - fixed msmpeg4 slice issues (tell me if you still find problems).
210 - fixed opendivx bugs with newer versions (added VOL header decoding).
211 - added support for mplayer interface.
212 - added macroblock skip optimization.
213 - added MJPEG decoder.
214 - added mmx/mmxext idct from libmpeg2.
215 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
216 <celer@shell.scrypt.net>).
217 - added pixel format convertion layer (e.g. for MJPEG or PPM).
218 - added deinterlacing option.
220 - mpeg4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>).
221 - ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
222 - Windows porting of file converter.
223 - added MJPEG raw format (input/ouput).
224 - added JPEG image format support (input/output).
228 - fixed some std header definitions (Bjorn Lindgren
229 <bjorn.e.lindgren@telia.com>).
230 - added mpeg demux (mpeg 1 and 2 compatible).
232 - added prototype RM demux.
233 - added AC3 decoding (done with libac3 by Aaron Holtzman).
234 - added decoding codec parameter guessing (.e.g. for mpeg, because the
235 header does not include them).
236 - fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now
237 play them (only tested video).
238 - fixed h263 white bug.
239 - fixed phase rounding in img resample filter.
240 - add mmx code for polyphase img resample filter.
241 - added CPU autodetect.
242 - added generic title/author/copyright/comment string handling (ASF and RM use them).
243 - added SWF demux to extract MP3 track (not usable yet because no MP3
245 - added fractional frame rate support.
246 - codecs are no longer searched by read_header() (should fix ffserver
251 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>).
252 - fixed raw yuv output.
253 - added motion rounding support in MPEG4.
254 - fixed motion bug rounding in MSMPEG4.
255 - added B frame handling in video core.
256 - added full MPEG1 decoding support.
257 - added partial (frame only) MPEG2 support.
258 - changed the FOURCC code for H.263 to "U263" to be able to see the
259 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
260 this +codec ;) (JuanJo).
261 - Halfpel motion estimation after mb type selection (JuanJo).
262 - added pgm and .Y.U.V output format.
263 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
265 - added pgmpipe I/O format (original patch from Martin Aumueller
266 <lists@reserv.at>, but changed completely since we use a format
267 instead of a protocol).
271 - added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
272 (for openDIVX) is almost complete: 8x8 MVs and rounding are
273 missing. MSMPEG4 support is complete.
274 - added prototype MPEG1 decoder. Only I and P frames handled yet (it
275 can decode ffmpeg mpegs :-)).
276 - added libavcodec API documentation (see apiexample.c).
277 - fixed image polyphase bug (the bottom of some images could be
279 - added support for non clipped motion vectors (decoding only)
280 and image sizes non multiple of 16.
281 - added support for AC prediction (decoding only).
282 - added file overwrite confirmation (can be disabled with -y).
283 - Added custom size picture to H.263 using H.263+ (Juanjo).
287 - added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
288 of avi and asf to DIV3.
289 - added -me option to set motion estimation method
290 (default=log). suppressed redundant -hq option.
291 - added options -acodec and -vcodec to force a given codec (useful for
294 - improved dct_quantize speed.
295 - factorized some motion estimation code.
299 - removing grab code from ffserver and moved it to ffmpeg. Added multi
300 stream support to ffmpeg.
301 - added timeshifting support for live feeds (option ?date=xxx in the
303 - added high quality image resize code with polyphase filter (need
304 mmx/see optimisation). Enable multiple image size support in ffserver.
305 - added multi live feed support in ffserver.
306 - suppressed master feature from ffserver (it should be done with an
307 external program which opens the .ffm url and writes it to another
309 - added preliminary support for video stream parsing (wav and avi half
310 done). Added proper support for audio/video file convertion in
312 - added preliminary support for video file sending from ffserver.
313 - redesigning I/O subsystem : now using URL based input and output
315 - added wav format support.
316 - added "tty user interface" to ffmpeg to stop grabbing gracefully.
317 - added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)
318 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>).
319 - added MMX DCT from mpeg2_movie 1.5 (Juanjo).
320 - added new motion estimation algorithms, log and phods (Juanjo).
321 - changed directories : libav for format handling, libavcodec for
326 - added stereo in mpeg audio encoder.
330 - added 'high quality' mode which use motion vectors. It can be used in
331 real time at low resolution.
332 - fixed rounding problems which caused quality problems at high
333 bitrates and large gop size.
335 version 0.3.2: small fixes
340 version 0.3.1: added avi/divx support
343 - added mpeg4 codec compatible with open divx. It is based on the h263
345 - added sound for flash format (not tested)
347 version 0.3: initial public release