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