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