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