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
11 - DV encoder, DV muxer
12 - Microsoft RLE video decoder
13 - Microsoft Video-1 decoder
14 - Apple Animation (RLE) decoder
15 - Apple Graphics (SMC) decoder
16 - Apple Video (RPZA) decoder
18 - Sega FILM (CPK) file demuxer
19 - Westwood multimedia support (VQA & AUD files)
20 - Id Quake II CIN playback support
22 - FLIC playback support
23 - RealVideo 2.0 (RV20) decoder
24 - Duck TrueMotion v1 (DUCK) video decoder
25 - Sierra VMD demuxer and video decoder
26 - MSZH and ZLIB decoder support
30 - rate distortion optimal cbp support
31 - rate distorted optimal ac prediction for mpeg4
32 - rate distorted optimal lambda->qp support
33 - AAC encoding with libfaac
34 - Sunplus JPEG codec (SP5X) support
35 - use lagrange multipler instead of qp for ratecontrol
36 - theora/VP3 decoding support
37 - XA and ADX ADPCM codecs
38 - export mpeg2 active display area / pan scan
39 - Add support for configuring with IBM XLC
40 - floating point AAN DCT
41 - initial support for zygovideo (not complete)
43 - new audio/video parser API
45 - av_read_frame() and av_seek_frame() support
46 - missing last frame fixes
47 - seek by mouse in ffplay
48 - noise reduction of dct coefficients
49 - h263 OBMC & 4MV support
50 - h263 alternative inter vlc support
52 - h263 slice structured mode
53 - interlaced DCT support for MPEG2 encoding
54 - stuffing to stay above min_bitrate
55 - mb type & qp vissualization
56 - frame stepping for ffplay
57 - interlaced motion estimation
58 - alternate scantable support
59 - SVCD scan offset support
62 - quantizer noise shaping
63 - G.726 ADPCM audio codec
65 - multithreaded/SMP motion estimation
66 - multithreaded/SMP encoding for MPEG1/MPEG2/MPEG4/H263
67 - multithreaded/SMP decoding for MPEG2
69 - Metrowerks CodeWarrior suppport
70 - h263+ custom pcf support
71 - nicer output for 'ffmpeg -formats'
73 - SGI image format, encoding and decoding
74 - h264 loop filter support
76 - nicer looking arrows for the motion vector vissualization
77 - improved VCD support
78 - audio timestamp drift compensation
79 - mpeg2 YUV 422/444 support
80 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
81 - better image scaling
83 - correctly interleave packets during encoding
84 - VIS optimized motion compensation
85 - intra_dc_precission>0 encoding support
86 - support reuse of motion vectors/mb types/field select values of the source video
87 - more accurate deblock filter
89 - many optimizations and bugfixes
93 - MPEG2 video encoding (Michael)
94 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
95 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
97 - Xan DPCM audio decoder (Mario Brito)
98 - Interplay MVE playback subsystem (Mike Melanson)
99 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
103 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq
104 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
105 - Current version now also compiles with older GCC (Fabrice)
106 - 4X multimedia playback system including 4xm file demuxer (Mike
107 Melanson), and 4X video and audio codecs (Michael)
108 - Creative YUV (CYUV) decoder (Mike Melanson)
109 - FFV1 codec (our very simple lossless intra only codec, compresses much better
110 then huffyuv) (Michael)
111 - ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)
112 - Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
113 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
114 - ffplay has been replaced with a newer version which uses SDL (optionally)
115 for multi platform support (fabrice)
116 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
118 - AMR format has been added (Johannes Carlsson)
119 - 3gp support has been added (Johannes Carlsson)
120 - VP3 codec has been added (Mike Melanson)
121 - more MPEG-1/2 fixes
122 - Better Multi platform support, MS Visual Studio fixes (various)
123 - Altivec optimizations (Magnus Damn and others)
124 - SH4 processor support has been added (BERO)
125 - New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
126 - VOB Streaming support (Brian Foley)
127 - Better MP3 Autodetection (Andriy Rysin)
128 - qpel encoding (Michael)
129 - 4mv+b frames encoding finally fixed (Michael)
130 - chroma ME (Michael)
131 - 5 comparission functions for ME (Michael)
132 - b frame encoding speedup (Michael)
133 - wmv2 codec (unfinished - Michael)
134 - user specified diamond size for EPZS (Michael)
135 - Playstation STR playback subsystem, still experimental (Mike and Michael)
136 - ASV2 codec (Michael)
137 - CLJR decoder (Alex)
139 .. And lots more new enhances and fixes.
143 - completely new integer only mpeg audio layer 1/2/3 decoder rewritten
145 - recoded dct and motion vector search with gcc (no longer depends on
147 - fix quantization bug in AC3 encoder.
148 - added PCM codecs and format. Corrected wav/avi/asf pcm issues.
149 - added prototype ffplay program.
150 - added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
151 - bug fix on MCBPC tables of H.263. (Juanjo)
152 - bug fix on DC coefficients of H.263. (Juanjo)
153 - added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
154 - now we can decode H.263 streams found on QuickTime files. (Juanjo)
155 - now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
156 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
157 - added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
158 - now H.263 picture size is returned on the first decoded frame. (Juanjo)
159 - added first regression tests
160 - added MPEG2 TS demux
161 - new demux API for libav
162 - more accurate and faster IDCT (Michael)
163 - faster and entropy controlled motion search (Michael)
164 - two pass video encoding (Michael)
165 - new video rate control (Michael)
166 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
167 - great performance improvement of video encoders and decoders (Michael)
168 - new and faster bit readers and vlc parsers (Michael)
169 - high quality encoding mode : tries all macroblock/VLC types (Michael)
170 - added DV video decoder
171 - preliminary RTP/RTSP support in ffserver and libavformat
172 - H.263+ AIC decoding/encoding support. (Juanjo)
173 - VCD MPEG-PS mode. (Juanjo)
174 - PSNR stuff. (Juanjo)
175 - Simple stats output. (Juanjo)
176 - 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)
180 - some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>).
181 - many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>).
182 - added configure system (actually a small shell script).
183 - added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
184 Michael Hipp (temporary solution - waiting for integer only
186 - fixed VIDIOCSYNC interrupt.
187 - added Intel H263 decoding support ('I263' avi fourCC)
188 - added Real Video 1.0 decoding (needs further testing).
189 - simplified image formats again. Added PGM format (=grey
190 pgm). Renamed old PGM to PGMYUV.
191 - fixed msmpeg4 slice issues (tell me if you still find problems).
192 - fixed opendivx bugs with newer versions (added VOL header decoding).
193 - added support for mplayer interface.
194 - added macroblock skip optimization.
195 - added MJPEG decoder.
196 - added mmx/mmxext idct from libmpeg2.
197 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
198 <celer@shell.scrypt.net>).
199 - added pixel format convertion layer (e.g. for MJPEG or PPM).
200 - added deinterlacing option.
202 - mpeg4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>).
203 - ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
204 - Windows porting of file converter.
205 - added MJPEG raw format (input/ouput).
206 - added JPEG image format support (input/output).
210 - fixed some std header definitions (Bjorn Lindgren
211 <bjorn.e.lindgren@telia.com>).
212 - added mpeg demux (mpeg 1 and 2 compatible).
214 - added prototype RM demux.
215 - added AC3 decoding (done with libac3 by Aaron Holtzman).
216 - added decoding codec parameter guessing (.e.g. for mpeg, because the
217 header does not include them).
218 - fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now
219 play them (only tested video).
220 - fixed h263 white bug.
221 - fixed phase rounding in img resample filter.
222 - add mmx code for polyphase img resample filter.
223 - added CPU autodetect.
224 - added generic title/author/copyright/comment string handling (ASF and RM use them).
225 - added SWF demux to extract MP3 track (not usable yet because no MP3
227 - added fractional frame rate support.
228 - codecs are no longer searched by read_header() (should fix ffserver
233 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>).
234 - fixed raw yuv output.
235 - added motion rounding support in MPEG4.
236 - fixed motion bug rounding in MSMPEG4.
237 - added B frame handling in video core.
238 - added full MPEG1 decoding support.
239 - added partial (frame only) MPEG2 support.
240 - changed the FOURCC code for H.263 to "U263" to be able to see the
241 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
242 this +codec ;) (JuanJo).
243 - Halfpel motion estimation after mb type selection (JuanJo).
244 - added pgm and .Y.U.V output format.
245 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
247 - added pgmpipe I/O format (original patch from Martin Aumueller
248 <lists@reserv.at>, but changed completely since we use a format
249 instead of a protocol).
253 - added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
254 (for openDIVX) is almost complete: 8x8 MVs and rounding are
255 missing. MSMPEG4 support is complete.
256 - added prototype MPEG1 decoder. Only I and P frames handled yet (it
257 can decode ffmpeg mpegs :-)).
258 - added libavcodec API documentation (see apiexample.c).
259 - fixed image polyphase bug (the bottom of some images could be
261 - added support for non clipped motion vectors (decoding only)
262 and image sizes non multiple of 16.
263 - added support for AC prediction (decoding only).
264 - added file overwrite confirmation (can be disabled with -y).
265 - Added custom size picture to H.263 using H.263+ (Juanjo).
269 - added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
270 of avi and asf to DIV3.
271 - added -me option to set motion estimation method
272 (default=log). suppressed redundant -hq option.
273 - added options -acodec and -vcodec to force a given codec (useful for
276 - improved dct_quantize speed.
277 - factorized some motion estimation code.
281 - removing grab code from ffserver and moved it to ffmpeg. Added multi
282 stream support to ffmpeg.
283 - added timeshifting support for live feeds (option ?date=xxx in the
285 - added high quality image resize code with polyphase filter (need
286 mmx/see optimisation). Enable multiple image size support in ffserver.
287 - added multi live feed support in ffserver.
288 - suppressed master feature from ffserver (it should be done with an
289 external program which opens the .ffm url and writes it to another
291 - added preliminary support for video stream parsing (wav and avi half
292 done). Added proper support for audio/video file convertion in
294 - added preliminary support for video file sending from ffserver.
295 - redesigning I/O subsystem : now using URL based input and output
297 - added wav format support.
298 - added "tty user interface" to ffmpeg to stop grabbing gracefully.
299 - added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)
300 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>).
301 - added MMX DCT from mpeg2_movie 1.5 (Juanjo).
302 - added new motion estimation algorithms, log and phods (Juanjo).
303 - changed directories : libav for format handling, libavcodec for
308 - added stereo in mpeg audio encoder.
312 - added 'high quality' mode which use motion vectors. It can be used in
313 real time at low resolution.
314 - fixed rounding problems which caused quality problems at high
315 bitrates and large gop size.
317 version 0.3.2: small fixes
322 version 0.3.1: added avi/divx support
325 - added mpeg4 codec compatible with open divx. It is based on the h263
327 - added sound for flash format (not tested)
329 version 0.3: initial public release