3 - Microsoft RLE video decoder
4 - Microsoft Video-1 decoder
5 - Apple Graphics (SMC) decoder
6 - Apple Video (RPZA) decoder
8 - Sega FILM (CPK) file demuxer
9 - Westwood multimedia support (VQA & AUD files)
10 - Id Quake II CIN playback support
12 - FLIC playback support
16 - MPEG2 video encoding (Michael)
17 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
18 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
20 - Xan DPCM audio decoder (Mario Brito)
21 - Interplay MVE playback subsystem (Mike Melanson)
22 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
26 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq
27 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
28 - Current version now also compiles with older GCC (Fabrice)
29 - 4X multimedia playback system including 4xm file demuxer (Mike
30 Melanson), and 4X video and audio codecs (Michael)
31 - Creative YUV (CYUV) decoder (Mike Melanson)
32 - FFV1 codec (our very simple lossless intra only codec, compresses much better
33 then huffyuv) (Michael)
34 - ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)
35 - Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
36 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
37 - ffplay has been replaced with a newer version which uses SDL (optionally)
38 for multi platform support (fabrice)
39 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
41 - AMR format has been added (Johannes Carlsson)
42 - 3gp support has been added (Johannes Carlsson)
43 - VP3 codec has been added (Mike Melanson)
45 - Better Multi platform support, MS Visual Studio fixes (various)
46 - Altivec optimizations (Magnus Damn and others)
47 - SH4 processor support has been added (BERO)
48 - New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
49 - VOB Streaming support (Brian Foley)
50 - Better MP3 Autodetection (Andriy Rysin)
51 - qpel encoding (Michael)
52 - 4mv+b frames encoding finally fixed (Michael)
54 - 5 comparission functions for ME (Michael)
55 - b frame encoding speedup (Michael)
56 - wmv2 codec (unfinished - Michael)
57 - user specified diamond size for EPZS (Michael)
58 - Playstation STR playback subsystem, still experimental (Mike and Michael)
59 - ASV2 codec (Michael)
62 .. And lots more new enhances and fixes.
66 - completely new integer only mpeg audio layer 1/2/3 decoder rewritten
68 - recoded dct and motion vector search with gcc (no longer depends on
70 - fix quantization bug in AC3 encoder.
71 - added PCM codecs and format. Corrected wav/avi/asf pcm issues.
72 - added prototype ffplay program.
73 - added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
74 - bug fix on MCBPC tables of H.263. (Juanjo)
75 - bug fix on DC coefficients of H.263. (Juanjo)
76 - added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
77 - now we can decode H.263 streams found on QuickTime files. (Juanjo)
78 - now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
79 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
80 - added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
81 - now H.263 picture size is returned on the first decoded frame. (Juanjo)
82 - added first regression tests
83 - added MPEG2 TS demux
84 - new demux API for libav
85 - more accurate and faster IDCT (Michael)
86 - faster and entropy controlled motion search (Michael)
87 - two pass video encoding (Michael)
88 - new video rate control (Michael)
89 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
90 - great performance improvement of video encoders and decoders (Michael)
91 - new and faster bit readers and vlc parsers (Michael)
92 - high quality encoding mode : tries all macroblock/VLC types (Michael)
93 - added DV video decoder
94 - preliminary RTP/RTSP support in ffserver and libavformat
95 - H.263+ AIC decoding/encoding support. (Juanjo)
96 - VCD MPEG-PS mode. (Juanjo)
97 - PSNR stuff. (Juanjo)
98 - Simple stats output. (Juanjo)
99 - 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)
103 - some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>).
104 - many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>).
105 - added configure system (actually a small shell script).
106 - added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
107 Michael Hipp (temporary solution - waiting for integer only
109 - fixed VIDIOCSYNC interrupt.
110 - added Intel H263 decoding support ('I263' avi fourCC)
111 - added Real Video 1.0 decoding (needs further testing).
112 - simplified image formats again. Added PGM format (=grey
113 pgm). Renamed old PGM to PGMYUV.
114 - fixed msmpeg4 slice issues (tell me if you still find problems).
115 - fixed opendivx bugs with newer versions (added VOL header decoding).
116 - added support for mplayer interface.
117 - added macroblock skip optimization.
118 - added MJPEG decoder.
119 - added mmx/mmxext idct from libmpeg2.
120 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
121 <celer@shell.scrypt.net>).
122 - added pixel format convertion layer (e.g. for MJPEG or PPM).
123 - added deinterlacing option.
125 - mpeg4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>).
126 - ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
127 - Windows porting of file converter.
128 - added MJPEG raw format (input/ouput).
129 - added JPEG image format support (input/output).
133 - fixed some std header definitions (Bjorn Lindgren
134 <bjorn.e.lindgren@telia.com>).
135 - added mpeg demux (mpeg 1 and 2 compatible).
137 - added prototype RM demux.
138 - added AC3 decoding (done with libac3 by Aaron Holtzman).
139 - added decoding codec parameter guessing (.e.g. for mpeg, because the
140 header does not include them).
141 - fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now
142 play them (only tested video).
143 - fixed h263 white bug.
144 - fixed phase rounding in img resample filter.
145 - add mmx code for polyphase img resample filter.
146 - added CPU autodetect.
147 - added generic title/author/copyright/comment string handling (ASF and RM use them).
148 - added SWF demux to extract MP3 track (not usable yet because no MP3
150 - added fractional frame rate support.
151 - codecs are no longer searched by read_header() (should fix ffserver
156 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>).
157 - fixed raw yuv output.
158 - added motion rounding support in MPEG4.
159 - fixed motion bug rounding in MSMPEG4.
160 - added B frame handling in video core.
161 - added full MPEG1 decoding support.
162 - added partial (frame only) MPEG2 support.
163 - changed the FOURCC code for H.263 to "U263" to be able to see the
164 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
165 this +codec ;) (JuanJo).
166 - Halfpel motion estimation after mb type selection (JuanJo).
167 - added pgm and .Y.U.V output format.
168 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
170 - added pgmpipe I/O format (original patch from Martin Aumueller
171 <lists@reserv.at>, but changed completely since we use a format
172 instead of a protocol).
176 - added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
177 (for openDIVX) is almost complete: 8x8 MVs and rounding are
178 missing. MSMPEG4 support is complete.
179 - added prototype MPEG1 decoder. Only I and P frames handled yet (it
180 can decode ffmpeg mpegs :-)).
181 - added libavcodec API documentation (see apiexample.c).
182 - fixed image polyphase bug (the bottom of some images could be
184 - added support for non clipped motion vectors (decoding only)
185 and image sizes non multiple of 16.
186 - added support for AC prediction (decoding only).
187 - added file overwrite confirmation (can be disabled with -y).
188 - Added custom size picture to H.263 using H.263+ (Juanjo).
192 - added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
193 of avi and asf to DIV3.
194 - added -me option to set motion estimation method
195 (default=log). suppressed redundant -hq option.
196 - added options -acodec and -vcodec to force a given codec (useful for
199 - improved dct_quantize speed.
200 - factorized some motion estimation code.
204 - removing grab code from ffserver and moved it to ffmpeg. Added multi
205 stream support to ffmpeg.
206 - added timeshifting support for live feeds (option ?date=xxx in the
208 - added high quality image resize code with polyphase filter (need
209 mmx/see optimisation). Enable multiple image size support in ffserver.
210 - added multi live feed support in ffserver.
211 - suppressed master feature from ffserver (it should be done with an
212 external program which opens the .ffm url and writes it to another
214 - added preliminary support for video stream parsing (wav and avi half
215 done). Added proper support for audio/video file convertion in
217 - added preliminary support for video file sending from ffserver.
218 - redesigning I/O subsystem : now using URL based input and output
220 - added wav format support.
221 - added "tty user interface" to ffmpeg to stop grabbing gracefully.
222 - added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)
223 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>).
224 - added MMX DCT from mpeg2_movie 1.5 (Juanjo).
225 - added new motion estimation algorithms, log and phods (Juanjo).
226 - changed directories : libav for format handling, libavcodec for
231 - added stereo in mpeg audio encoder.
235 - added 'high quality' mode which use motion vectors. It can be used in
236 real time at low resolution.
237 - fixed rounding problems which caused quality problems at high
238 bitrates and large gop size.
240 version 0.3.2: small fixes
245 version 0.3.1: added avi/divx support
248 - added mpeg4 codec compatible with open divx. It is based on the h263
250 - added sound for flash format (not tested)
252 version 0.3: initial public release