1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
8 - ac3enc: add channel coupling support
9 - floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.
10 - H264/MPEG frame-level multi-threading
11 - All av_metadata_* functions renamed to av_dict_* and moved to libavutil
12 - 4:4:4 H.264 decoding support
13 - 10-bit H.264 optimizations for x86
14 - Bump libswscale for recently reported ABI break
19 - VP8 frame-multithreading
20 - NEON optimizations for VP8
21 - Lots of deprecated API cruft removed
22 - fft and imdct optimizations for AVX (Sandy Bridge) processors
24 - SMPTE 302M AES3 audio decoder
25 - Remove support for quitting ffmpeg with 'q', ctrl+c should be used.
26 - 9bit and 10bit per sample support in the H.264 decoder
31 - WebM support in Matroska de/muxer
32 - low overhead Ogg muxing
34 - VP8 de/encoding via libvpx
35 - Demuxer for On2's IVF format
36 - Pictor/PC Paint decoder
38 - libfaad2 wrapper removed
39 - DTS-ES extension (XCh) decoding support
41 - RTSP tunneling over HTTP
42 - RTP depacketization of SVQ3
43 - -strict inofficial replaced by -strict unofficial
44 - ffplay -exitonkeydown and -exitonmousedown options added
45 - native GSM / GSM MS decoder
46 - RTP depacketization of QDM2
47 - ANSI/ASCII art playback system
48 - Lego Mindstorms RSO de/muxer
49 - SubRip subtitle file muxer and demuxer
50 - Chinese AVS encoding via libxavs
51 - ffprobe -show_packets option added
52 - RTP packetization of Theora and Vorbis
53 - RTP depacketization of MP4A-LATM
54 - RTP packetization and depacketization of VP8
56 - Apple HTTP Live Streaming demuxer
59 - G.722 ADPCM audio encoder/decoder
62 - frei0r wrapper filter
63 - change crop filter syntax to width:height:x:y
64 - make the crop filter accept parametric expressions
65 - make ffprobe accept AVFormatContext options
68 - Demuxer for Leitch/Harris' VR native stream format (LXF)
69 - RTP depacketization of the X-QT QuickTime format
70 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
72 - ffmpeg -crop* options removed
73 - transpose filter added
74 - ffmpeg -force_key_frames option added
75 - demuxer for receiving raw rtp:// URLs without an SDP description
76 - single stream LATM/LOAS decoder
78 - Win64 support for optimized asm functions
79 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
80 - ASS subtitle encoder and decoder
81 - IEC 61937 encapsulation for E-AC3, TrueHD, DTS-HD (for HDMI passthrough)
82 - overlay filter added
83 - rename aspect filter to setdar, and pixelaspect to setsar
85 - Mobotix .mxg demuxer
88 - RTP depacketization of QCELP
90 - gradfun filter added
92 - replace the ocv_smooth filter with a more generic ocv filter
93 - Windows Televison (WTV) demuxer
94 - FFmpeg metadata format muxer and demuxer
95 - SubRip (srt) subtitle decoder
96 - floating-point AC-3 encoder added
98 - ffmpeg -copytb option added
100 - Wing Commander IV movies decoder added
102 - Bink version 'b' audio and video decoder
103 - Bitmap Brothers JV playback system
104 - Apple HTTP Live Streaming protocol handler
105 - sndio support for playback and record
106 - Linux framebuffer input device added
107 - Chronomaster DFA decoder
108 - Mobotix MxPEG decoder
109 - AAC encoding via libvo-aacenc
110 - AMR-WB encoding via libvo-amrwbenc
112 - fieldorder video filter added
117 - PB-frame decoding for H.263
118 - deprecated vhook subsystem removed
119 - deprecated old scaler removed
121 - Alpha channel scaler
123 - RTP packetization of H.263
124 - RTP packetization of AMR
125 - RTP depacketization of Vorbis
126 - CorePNG decoding support
127 - Cook multichannel decoding support
128 - introduced avlanguage helpers in libavformat
129 - 8088flex TMV demuxer and decoder
130 - per-stream language-tags extraction in asfdec
131 - V210 decoder and encoder
132 - remaining GPL parts in AC-3 decoder converted to LGPL
134 - SoX native format muxer and demuxer
135 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
137 - Electronic Arts Madcow decoder
138 - DivX (XSUB) subtitle encoder
139 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
140 - experimental AAC encoder
141 - RTP depacketization of ASF and RTSP from WMS servers
142 - RTMP support in libavformat
143 - noX handling for OPT_BOOL X options
145 - IEC-61937 compatible Muxer
147 - Bluray (PGS) subtitle decoder
148 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
150 - Core Audio Format demuxer
152 - MD STUDIO audio demuxer
153 - RF64 support in WAV demuxer
154 - MPEG-4 Audio Lossless Coding (ALS) decoder
155 - -formats option split into -formats, -codecs, -bsfs, and -protocols
157 - CDG demuxer and decoder
159 - Auravision Aura 1 and 2 decoders
160 - Deluxe Paint Animation playback system
162 - Adobe Filmstrip muxer and demuxer
163 - RTP depacketization of H.263
164 - Bink demuxer and audio/video decoders
165 - enable symbol versioning by default for linkers that support it
166 - IFF PBM/ILBM bitmap decoder
169 - RTP depacketization of AMR
175 - Kega Game Video (KGV1) decoder
176 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
177 - RTP depacketization of Theora
178 - HTTP Digest authentication
179 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
180 - Psygnosis YOP demuxer and video decoder
181 - spectral extension support in the E-AC-3 decoder
182 - unsharp video filter
183 - RTP hinting in the mov/3gp/mp4 muxer
184 - Dirac in Ogg demuxing
185 - seek to keyframes in Ogg
186 - 4:2:2 and 4:4:4 Theora decoding
187 - 35% faster VP3/Theora decoding
188 - faster AAC decoding
189 - faster H.264 decoding
190 - RealAudio 1.0 (14.4K) encoder
195 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
196 - TechSmith Camtasia (TSCC) video decoder
197 - IBM Ultimotion (ULTI) video decoder
198 - Sierra Online audio file demuxer and decoder
199 - Apple QuickDraw (qdrw) video decoder
200 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
201 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
202 - Miro VideoXL (VIXL) video decoder
203 - H.261 video encoder
205 - Nullsoft Video (NSV) file demuxer
206 - Shorten audio decoder
208 - Apple Lossless Audio Codec (ALAC) decoder
209 - Winnov WNV1 video decoder
210 - Autodesk Animator Studio Codec (AASC) decoder
211 - Indeo 2 video decoder
212 - Fraps FPS1 video decoder
213 - Snow video encoder/decoder
214 - Sonic audio encoder/decoder
215 - Vorbis audio decoder
216 - Macromedia ADPCM decoder
217 - Duck TrueMotion 2 video decoder
218 - support for decoding FLX and DTA extensions in FLIC files
219 - H.264 custom quantization matrices support
220 - ffserver fixed, it should now be usable again
222 - Real Cooker audio decoder
223 - TrueSpeech audio decoder
224 - WMA2 audio decoder fixed, now all files should play correctly
225 - RealAudio 14.4 and 28.8 decoders fixed
227 - build system improvements
228 - tabs and trailing whitespace removed from the codebase
229 - CamStudio video decoder
230 - AIFF/AIFF-C audio format, encoding and decoding
231 - ADTS AAC file reading and writing
232 - Creative VOC file reading and writing
233 - American Laser Games multimedia (*.mm) playback system
234 - Zip Motion Blocks Video decoder
235 - improved Theora/VP3 decoder
236 - True Audio (TTA) decoder
237 - AVS demuxer and video decoder
239 - Smacker demuxer and decoder
240 - NuppelVideo/MythTV demuxer and RTjpeg decoder
242 - MPEG-2 intra VLC support
243 - MPEG-2 4:2:2 encoder
244 - Flash Screen Video decoder
246 - Chinese AVS decoder
249 - VC-1/WMV3/WMV9 video decoder
252 - VMware video decoder
255 - WavPack lossless audio decoder
256 - Targa (.TGA) picture decoder
257 - Vorbis audio encoder
258 - Delphine Software .cin demuxer/audio and video decoder
259 - Tiertex .seq demuxer/video decoder
261 - TIFF picture encoder and decoder
262 - GIF picture decoder
263 - Intel Music Coder decoder
264 - Zip Motion Blocks Video encoder
266 - Flash Screen Video encoder
267 - Theora encoding via libtheora
270 - GSM-MS encoder and decoder
272 - DXA demuxer and decoder
274 - Gamecube movie (.THP) playback system
275 - Blackfin optimizations
276 - Interplay C93 demuxer and video decoder
277 - Bethsoft VID demuxer and video decoder
280 - V.Flash PTX decoder
281 - RoQ muxer, RoQ audio encoder
282 - Renderware TXD demuxer and decoder
283 - extern C declarations for C++ removed from headers
284 - sws_flags command line option
288 - OS/2 support removed and restored again
291 - additional SPARC (VIS) optimizations
293 - slice-based parallel H.264 decoding
294 - Monkey's Audio demuxer and decoder
295 - AMV audio and video decoder
297 - H.264 PAFF decoding
298 - Nellymoser ASAO decoder
299 - Beam Software SIFF demuxer and decoder
300 - libvorbis Vorbis decoding removed in favor of native decoder
301 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
302 - Ogg (Theora, Vorbis and FLAC) muxer
303 - The "device" muxers and demuxers are now in a new libavdevice library
304 - PC Paintbrush PCX decoder
305 - Sun Rasterfile decoder
306 - TechnoTrend PVA demuxer
307 - Linux Media Labs MPEG-4 (LMLM4) demuxer
308 - AVM2 (Flash 9) SWF muxer
309 - QT variant of IMA ADPCM encoder
311 - iPod/iPhone compatible mp4 muxer
313 - MSN TCP Webcam stream demuxer
314 - RL2 demuxer / decoder
317 - non-recursive Makefiles
319 - MAXIS EA XA (.xa) demuxer / decoder
323 - Electronic Arts CMV decoder
324 - Motion Pixels Video decoder
325 - Motion Pixels MVI demuxer
326 - removed animated GIF decoder/demuxer
327 - D-Cinema audio muxer
328 - Electronic Arts TGV decoder
329 - Apple Lossless Audio Codec (ALAC) encoder
331 - floating point PCM encoder/decoder
333 - DV100 AKA DVCPRO HD decoder and demuxer
334 - E-AC-3 support added to AC-3 decoder
335 - Nellymoser ASAO encoder
336 - ASS and SSA demuxer and muxer
337 - liba52 wrapper removed
338 - SVQ3 watermark decoding support
339 - Speex decoding via libspeex
340 - Electronic Arts TGQ decoder
342 - QCELP / PureVoice decoder
344 - hybrid WavPack support
345 - R3D REDCODE demuxer
346 - ALSA support for playback and record
347 - Electronic Arts TQI decoder
348 - OpenJPEG based JPEG 2000 decoder
349 - NC (NC4600) camera file demuxer
350 - Gopher client support
352 - generic metadata API
357 - DV encoder, DV muxer
358 - Microsoft RLE video decoder
359 - Microsoft Video-1 decoder
360 - Apple Animation (RLE) decoder
361 - Apple Graphics (SMC) decoder
362 - Apple Video (RPZA) decoder
364 - Sega FILM (CPK) file demuxer
365 - Westwood multimedia support (VQA & AUD files)
366 - Id Quake II CIN playback support
368 - FLIC playback support
369 - RealVideo 2.0 (RV20) decoder
370 - Duck TrueMotion v1 (DUCK) video decoder
371 - Sierra VMD demuxer and video decoder
372 - MSZH and ZLIB decoder support
376 - rate distortion optimal cbp support
377 - rate distorted optimal ac prediction for MPEG-4
378 - rate distorted optimal lambda->qp support
379 - AAC encoding with libfaac
380 - Sunplus JPEG codec (SP5X) support
381 - use Lagrange multipler instead of QP for ratecontrol
382 - Theora/VP3 decoding support
383 - XA and ADX ADPCM codecs
384 - export MPEG-2 active display area / pan scan
385 - Add support for configuring with IBM XLC
386 - floating point AAN DCT
387 - initial support for zygo video (not complete)
389 - new audio/video parser API
391 - av_read_frame() and av_seek_frame() support
392 - missing last frame fixes
393 - seek by mouse in ffplay
394 - noise reduction of DCT coefficients
395 - H.263 OBMC & 4MV support
396 - H.263 alternative inter vlc support
398 - H.263 slice structured mode
399 - interlaced DCT support for MPEG-2 encoding
400 - stuffing to stay above min_bitrate
401 - MB type & QP visualization
402 - frame stepping for ffplay
403 - interlaced motion estimation
404 - alternate scantable support
405 - SVCD scan offset support
408 - quantizer noise shaping
409 - G.726 ADPCM audio codec
411 - multithreaded/SMP motion estimation
412 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
413 - multithreaded/SMP decoding for MPEG-2
415 - Metrowerks CodeWarrior suppport
416 - H.263+ custom pcf support
417 - nicer output for 'ffmpeg -formats'
419 - SGI image format, encoding and decoding
420 - H.264 loop filter support
421 - H.264 CABAC support
422 - nicer looking arrows for the motion vector visualization
423 - improved VCD support
424 - audio timestamp drift compensation
425 - MPEG-2 YUV 422/444 support
426 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
427 - better image scaling
429 - correctly interleave packets during encoding
430 - VIS optimized motion compensation
431 - intra_dc_precision>0 encoding support
432 - support reuse of motion vectors/MB types/field select values of the source video
433 - more accurate deblock filter
435 - many optimizations and bugfixes
436 - FunCom ISS audio file demuxer and according ADPCM decoding
441 - MPEG-2 video encoding (Michael)
442 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
443 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
445 - Xan DPCM audio decoder (Mario Brito)
446 - Interplay MVE playback subsystem (Mike Melanson)
447 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
452 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
453 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
454 - current version now also compiles with older GCC (Fabrice)
455 - 4X multimedia playback system including 4xm file demuxer (Mike
456 Melanson), and 4X video and audio codecs (Michael)
457 - Creative YUV (CYUV) decoder (Mike Melanson)
458 - FFV1 codec (our very simple lossless intra only codec, compresses much better
459 than HuffYUV) (Michael)
460 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
461 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
462 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
463 - ffplay has been replaced with a newer version which uses SDL (optionally)
464 for multiplatform support (Fabrice)
465 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
467 - AMR format has been added (Johannes Carlsson)
468 - 3GP support has been added (Johannes Carlsson)
469 - VP3 codec has been added (Mike Melanson)
470 - more MPEG-1/2 fixes
471 - better multiplatform support, MS Visual Studio fixes (various)
472 - AltiVec optimizations (Magnus Damn and others)
473 - SH4 processor support has been added (BERO)
474 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
475 - VOB streaming support (Brian Foley)
476 - better MP3 autodetection (Andriy Rysin)
477 - qpel encoding (Michael)
478 - 4mv+b frames encoding finally fixed (Michael)
479 - chroma ME (Michael)
480 - 5 comparison functions for ME (Michael)
481 - B-frame encoding speedup (Michael)
482 - WMV2 codec (unfinished - Michael)
483 - user specified diamond size for EPZS (Michael)
484 - Playstation STR playback subsystem, still experimental (Mike and Michael)
485 - ASV2 codec (Michael)
486 - CLJR decoder (Alex)
488 .. And lots more new enhancements and fixes.
493 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
495 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
496 - fix quantization bug in AC3 encoder
497 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
498 - added prototype ffplay program
499 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
500 - bug fix on MCBPC tables of H.263 (Juanjo)
501 - bug fix on DC coefficients of H.263 (Juanjo)
502 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
503 - now we can decode H.263 streams found in QuickTime files (Juanjo)
504 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
505 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
506 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
507 - now H.263 picture size is returned on the first decoded frame (Juanjo)
508 - added first regression tests
509 - added MPEG-2 TS demuxer
510 - new demux API for libav
511 - more accurate and faster IDCT (Michael)
512 - faster and entropy-controlled motion search (Michael)
513 - two pass video encoding (Michael)
514 - new video rate control (Michael)
515 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
516 - great performance improvement of video encoders and decoders (Michael)
517 - new and faster bit readers and vlc parsers (Michael)
518 - high quality encoding mode: tries all macroblock/VLC types (Michael)
519 - added DV video decoder
520 - preliminary RTP/RTSP support in ffserver and libavformat
521 - H.263+ AIC decoding/encoding support (Juanjo)
522 - VCD MPEG-PS mode (Juanjo)
523 - PSNR stuff (Juanjo)
524 - simple stats output (Juanjo)
525 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
530 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
531 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
532 - added configure system (actually a small shell script)
533 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
534 Michael Hipp (temporary solution - waiting for integer only
536 - fixed VIDIOCSYNC interrupt
537 - added Intel H.263 decoding support ('I263' AVI fourCC)
538 - added Real Video 1.0 decoding (needs further testing)
539 - simplified image formats again. Added PGM format (=grey
540 pgm). Renamed old PGM to PGMYUV.
541 - fixed msmpeg4 slice issues (tell me if you still find problems)
542 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
543 - added support for MPlayer interface
544 - added macroblock skip optimization
545 - added MJPEG decoder
546 - added mmx/mmxext IDCT from libmpeg2
547 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
548 <celer at shell.scrypt.net>)
549 - added pixel format conversion layer (e.g. for MJPEG or PPM)
550 - added deinterlacing option
552 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
553 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
554 - Windows porting of file converter
555 - added MJPEG raw format (input/ouput)
556 - added JPEG image format support (input/output)
561 - fixed some std header definitions (Bjorn Lindgren
562 <bjorn.e.lindgren at telia.com>).
563 - added MPEG demuxer (MPEG-1 and 2 compatible).
565 - added prototype RM demuxer
566 - added AC3 decoding (done with libac3 by Aaron Holtzman)
567 - added decoding codec parameter guessing (.e.g. for MPEG, because the
568 header does not include them)
569 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
570 play them (only tested video)
571 - fixed H.263 white bug
572 - fixed phase rounding in img resample filter
573 - add MMX code for polyphase img resample filter
574 - added CPU autodetection
575 - added generic title/author/copyright/comment string handling (ASF and RM
577 - added SWF demux to extract MP3 track (not usable yet because no MP3
579 - added fractional frame rate support
580 - codecs are no longer searched by read_header() (should fix ffserver
586 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
587 - fixed raw yuv output
588 - added motion rounding support in MPEG-4
589 - fixed motion bug rounding in MSMPEG4
590 - added B-frame handling in video core
591 - added full MPEG-1 decoding support
592 - added partial (frame only) MPEG-2 support
593 - changed the FOURCC code for H.263 to "U263" to be able to see the
594 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
595 this +codec ;) (JuanJo).
596 - Halfpel motion estimation after MB type selection (JuanJo)
597 - added pgm and .Y.U.V output format
598 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
600 - added pgmpipe I/O format (original patch from Martin Aumueller
601 <lists at reserv.at>, but changed completely since we use a format
602 instead of a protocol)
607 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
608 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
609 missing. MSMPEG4 support is complete.
610 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
611 can decode ffmpeg MPEGs :-)).
612 - added libavcodec API documentation (see apiexample.c).
613 - fixed image polyphase bug (the bottom of some images could be
615 - added support for non clipped motion vectors (decoding only)
616 and image sizes non-multiple of 16
617 - added support for AC prediction (decoding only)
618 - added file overwrite confirmation (can be disabled with -y)
619 - added custom size picture to H.263 using H.263+ (Juanjo)
624 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
625 of AVI and ASF to DIV3.
626 - added -me option to set motion estimation method
627 (default=log). suppressed redundant -hq option.
628 - added options -acodec and -vcodec to force a given codec (useful for
631 - improved dct_quantize speed
632 - factorized some motion estimation code
637 - removing grab code from ffserver and moved it to ffmpeg. Added
638 multistream support to ffmpeg.
639 - added timeshifting support for live feeds (option ?date=xxx in the
641 - added high quality image resize code with polyphase filter (need
642 mmx/see optimization). Enable multiple image size support in ffserver.
643 - added multi live feed support in ffserver
644 - suppressed master feature from ffserver (it should be done with an
645 external program which opens the .ffm url and writes it to another
647 - added preliminary support for video stream parsing (WAV and AVI half
648 done). Added proper support for audio/video file conversion in
650 - added preliminary support for video file sending from ffserver
651 - redesigning I/O subsystem: now using URL based input and output
653 - added WAV format support
654 - added "tty user interface" to ffmpeg to stop grabbing gracefully
655 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
656 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
657 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
658 - added new motion estimation algorithms, log and phods (Juanjo)
659 - changed directories: libav for format handling, libavcodec for
665 - added stereo in MPEG audio encoder
670 - added 'high quality' mode which use motion vectors. It can be used in
671 real time at low resolution.
672 - fixed rounding problems which caused quality problems at high
673 bitrates and large GOP size
676 version 0.3.2: small fixes
682 version 0.3.1: added avi/divx support
685 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
686 - added sound for flash format (not tested)
689 version 0.3: initial public release