2 - TechSmith Camtasia (TSCC) video decoder
7 - Microsoft RLE video decoder
8 - Microsoft Video-1 decoder
9 - Apple Animation (RLE) decoder
10 - Apple Graphics (SMC) decoder
11 - Apple Video (RPZA) decoder
13 - Sega FILM (CPK) file demuxer
14 - Westwood multimedia support (VQA & AUD files)
15 - Id Quake II CIN playback support
17 - FLIC playback support
18 - RealVideo 2.0 (RV20) decoder
19 - Duck TrueMotion v1 (DUCK) video decoder
20 - Sierra VMD demuxer and video decoder
21 - MSZH and ZLIB decoder support
25 - rate distortion optimal cbp support
26 - rate distorted optimal ac prediction for mpeg4
27 - rate distorted optimal lambda->qp support
28 - AAC encoding with libfaac
29 - Sunplus JPEG codec (SP5X) support
30 - use lagrange multipler instead of qp for ratecontrol
31 - theora/VP3 decoding support
32 - XA and ADX ADPCM codecs
33 - export mpeg2 active display area / pan scan
34 - Add support for configuring with IBM XLC
35 - floating point AAN DCT
36 - initial support for zygovideo (not complete)
38 - new audio/video parser API
40 - av_read_frame() and av_seek_frame() support
41 - missing last frame fixes
42 - seek by mouse in ffplay
43 - noise reduction of dct coefficients
44 - h263 OBMC & 4MV support
45 - h263 alternative inter vlc support
47 - h263 slice structured mode
48 - interlaced DCT support for MPEG2 encoding
49 - stuffing to stay above min_bitrate
50 - mb type & qp vissualization
51 - frame stepping for ffplay
52 - interlaced motion estimation
53 - alternate scantable support
54 - SVCD scan offset support
57 - quantizer noise shaping
58 - G.726 ADPCM audio codec
60 - multithreaded/SMP motion estimation
61 - multithreaded/SMP encoding for MPEG1/MPEG2/MPEG4/H263
62 - multithreaded/SMP decoding for MPEG2
64 - Metrowerks CodeWarrior suppport
65 - h263+ custom pcf support
66 - nicer output for 'ffmpeg -formats'
68 - SGI image format, encoding and decoding
69 - h264 loop filter support
71 - nicer looking arrows for the motion vector vissualization
72 - improved VCD support
73 - audio timestamp drift compensation
74 - mpeg2 YUV 422/444 support
75 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
76 - better image scaling
78 - correctly interleave packets during encoding
79 - VIS optimized motion compensation
80 - intra_dc_precission>0 encoding support
81 - support reuse of motion vectors/mb types/field select values of the source video
82 - more accurate deblock filter
84 - many optimizations and bugfixes
88 - MPEG2 video encoding (Michael)
89 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
90 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
92 - Xan DPCM audio decoder (Mario Brito)
93 - Interplay MVE playback subsystem (Mike Melanson)
94 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
98 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from a mplayerhq
99 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
100 - Current version now also compiles with older GCC (Fabrice)
101 - 4X multimedia playback system including 4xm file demuxer (Mike
102 Melanson), and 4X video and audio codecs (Michael)
103 - Creative YUV (CYUV) decoder (Mike Melanson)
104 - FFV1 codec (our very simple lossless intra only codec, compresses much better
105 then huffyuv) (Michael)
106 - ASV1 (Asus), H.264, Intel indeo3 codecs has been added (Various)
107 - Tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
108 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
109 - ffplay has been replaced with a newer version which uses SDL (optionally)
110 for multi platform support (fabrice)
111 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
113 - AMR format has been added (Johannes Carlsson)
114 - 3gp support has been added (Johannes Carlsson)
115 - VP3 codec has been added (Mike Melanson)
116 - more MPEG-1/2 fixes
117 - Better Multi platform support, MS Visual Studio fixes (various)
118 - Altivec optimizations (Magnus Damn and others)
119 - SH4 processor support has been added (BERO)
120 - New public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
121 - VOB Streaming support (Brian Foley)
122 - Better MP3 Autodetection (Andriy Rysin)
123 - qpel encoding (Michael)
124 - 4mv+b frames encoding finally fixed (Michael)
125 - chroma ME (Michael)
126 - 5 comparission functions for ME (Michael)
127 - b frame encoding speedup (Michael)
128 - wmv2 codec (unfinished - Michael)
129 - user specified diamond size for EPZS (Michael)
130 - Playstation STR playback subsystem, still experimental (Mike and Michael)
131 - ASV2 codec (Michael)
132 - CLJR decoder (Alex)
134 .. And lots more new enhances and fixes.
138 - completely new integer only mpeg audio layer 1/2/3 decoder rewritten
140 - recoded dct and motion vector search with gcc (no longer depends on
142 - fix quantization bug in AC3 encoder.
143 - added PCM codecs and format. Corrected wav/avi/asf pcm issues.
144 - added prototype ffplay program.
145 - added GOB header parsing on H.263/H.263+ decoder. (Juanjo)
146 - bug fix on MCBPC tables of H.263. (Juanjo)
147 - bug fix on DC coefficients of H.263. (Juanjo)
148 - added Advanced Prediction Mode on H.263/H.263+ decoder. (Juanjo)
149 - now we can decode H.263 streams found on QuickTime files. (Juanjo)
150 - now we can decode H.263 streams found on VIVO v1 files.(Juanjo)
151 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
152 - added GOB header for H.263/H.263+ coding on RTP mode. (Juanjo)
153 - now H.263 picture size is returned on the first decoded frame. (Juanjo)
154 - added first regression tests
155 - added MPEG2 TS demux
156 - new demux API for libav
157 - more accurate and faster IDCT (Michael)
158 - faster and entropy controlled motion search (Michael)
159 - two pass video encoding (Michael)
160 - new video rate control (Michael)
161 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
162 - great performance improvement of video encoders and decoders (Michael)
163 - new and faster bit readers and vlc parsers (Michael)
164 - high quality encoding mode : tries all macroblock/VLC types (Michael)
165 - added DV video decoder
166 - preliminary RTP/RTSP support in ffserver and libavformat
167 - H.263+ AIC decoding/encoding support. (Juanjo)
168 - VCD MPEG-PS mode. (Juanjo)
169 - PSNR stuff. (Juanjo)
170 - Simple stats output. (Juanjo)
171 - 16-bit and 15-bit rgb/bgr/gbr support (Bisqwit)
175 - some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>).
176 - many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>).
177 - added configure system (actually a small shell script).
178 - added mpeg audio layer 1/2/3 decoding using LGPL'ed mpglib by
179 Michael Hipp (temporary solution - waiting for integer only
181 - fixed VIDIOCSYNC interrupt.
182 - added Intel H263 decoding support ('I263' avi fourCC)
183 - added Real Video 1.0 decoding (needs further testing).
184 - simplified image formats again. Added PGM format (=grey
185 pgm). Renamed old PGM to PGMYUV.
186 - fixed msmpeg4 slice issues (tell me if you still find problems).
187 - fixed opendivx bugs with newer versions (added VOL header decoding).
188 - added support for mplayer interface.
189 - added macroblock skip optimization.
190 - added MJPEG decoder.
191 - added mmx/mmxext idct from libmpeg2.
192 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
193 <celer@shell.scrypt.net>).
194 - added pixel format convertion layer (e.g. for MJPEG or PPM).
195 - added deinterlacing option.
197 - mpeg4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>).
198 - ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
199 - Windows porting of file converter.
200 - added MJPEG raw format (input/ouput).
201 - added JPEG image format support (input/output).
205 - fixed some std header definitions (Bjorn Lindgren
206 <bjorn.e.lindgren@telia.com>).
207 - added mpeg demux (mpeg 1 and 2 compatible).
209 - added prototype RM demux.
210 - added AC3 decoding (done with libac3 by Aaron Holtzman).
211 - added decoding codec parameter guessing (.e.g. for mpeg, because the
212 header does not include them).
213 - fixed header generation in mpeg1, AVI and ASF mux : wmplayer can now
214 play them (only tested video).
215 - fixed h263 white bug.
216 - fixed phase rounding in img resample filter.
217 - add mmx code for polyphase img resample filter.
218 - added CPU autodetect.
219 - added generic title/author/copyright/comment string handling (ASF and RM use them).
220 - added SWF demux to extract MP3 track (not usable yet because no MP3
222 - added fractional frame rate support.
223 - codecs are no longer searched by read_header() (should fix ffserver
228 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>).
229 - fixed raw yuv output.
230 - added motion rounding support in MPEG4.
231 - fixed motion bug rounding in MSMPEG4.
232 - added B frame handling in video core.
233 - added full MPEG1 decoding support.
234 - added partial (frame only) MPEG2 support.
235 - changed the FOURCC code for H.263 to "U263" to be able to see the
236 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
237 this +codec ;) (JuanJo).
238 - Halfpel motion estimation after mb type selection (JuanJo).
239 - added pgm and .Y.U.V output format.
240 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
242 - added pgmpipe I/O format (original patch from Martin Aumueller
243 <lists@reserv.at>, but changed completely since we use a format
244 instead of a protocol).
248 - added H263/MPEG4/MSMPEG4 decoding support. MPEG4 decoding support
249 (for openDIVX) is almost complete: 8x8 MVs and rounding are
250 missing. MSMPEG4 support is complete.
251 - added prototype MPEG1 decoder. Only I and P frames handled yet (it
252 can decode ffmpeg mpegs :-)).
253 - added libavcodec API documentation (see apiexample.c).
254 - fixed image polyphase bug (the bottom of some images could be
256 - added support for non clipped motion vectors (decoding only)
257 and image sizes non multiple of 16.
258 - added support for AC prediction (decoding only).
259 - added file overwrite confirmation (can be disabled with -y).
260 - Added custom size picture to H.263 using H.263+ (Juanjo).
264 - added MSMPEG4 (aka DIVX) compatible encoder. Changed default codec
265 of avi and asf to DIV3.
266 - added -me option to set motion estimation method
267 (default=log). suppressed redundant -hq option.
268 - added options -acodec and -vcodec to force a given codec (useful for
271 - improved dct_quantize speed.
272 - factorized some motion estimation code.
276 - removing grab code from ffserver and moved it to ffmpeg. Added multi
277 stream support to ffmpeg.
278 - added timeshifting support for live feeds (option ?date=xxx in the
280 - added high quality image resize code with polyphase filter (need
281 mmx/see optimisation). Enable multiple image size support in ffserver.
282 - added multi live feed support in ffserver.
283 - suppressed master feature from ffserver (it should be done with an
284 external program which opens the .ffm url and writes it to another
286 - added preliminary support for video stream parsing (wav and avi half
287 done). Added proper support for audio/video file convertion in
289 - added preliminary support for video file sending from ffserver.
290 - redesigning I/O subsystem : now using URL based input and output
292 - added wav format support.
293 - added "tty user interface" to ffmpeg to stop grabbing gracefully.
294 - added MMX/SSE optimizations to SAD (Sums of Absolutes Diferences)
295 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>).
296 - added MMX DCT from mpeg2_movie 1.5 (Juanjo).
297 - added new motion estimation algorithms, log and phods (Juanjo).
298 - changed directories : libav for format handling, libavcodec for
303 - added stereo in mpeg audio encoder.
307 - added 'high quality' mode which use motion vectors. It can be used in
308 real time at low resolution.
309 - fixed rounding problems which caused quality problems at high
310 bitrates and large gop size.
312 version 0.3.2: small fixes
317 version 0.3.1: added avi/divx support
320 - added mpeg4 codec compatible with open divx. It is based on the h263
322 - added sound for flash format (not tested)
324 version 0.3: initial public release