1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
7 - WebM support in Matroska de/muxer
8 - low overhead Ogg muxing
10 - VP8 de/encoding via libvpx
11 - CODEC_CAP_EXPERIMENTAL added
12 - Demuxer for On2's IVF format
13 - Pictor/PC Paint decoder
19 - PB-frame decoding for H.263
20 - deprecated vhook subsystem removed
21 - deprecated old scaler removed
23 - Alpha channel scaler
25 - RTP packetization of H.263
26 - RTP packetization of AMR
27 - RTP depacketization of Vorbis
28 - CorePNG decoding support
29 - Cook multichannel decoding support
30 - introduced avlanguage helpers in libavformat
31 - 8088flex TMV demuxer and decoder
32 - per-stream language-tags extraction in asfdec
33 - V210 decoder and encoder
34 - remaining GPL parts in AC-3 decoder converted to LGPL
36 - SoX native format muxer and demuxer
37 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
39 - Electronic Arts Madcow decoder
40 - DivX (XSUB) subtitle encoder
41 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
42 - experimental AAC encoder
43 - RTP depacketization of ASF and RTSP from WMS servers
44 - RTMP support in libavformat
45 - noX handling for OPT_BOOL X options
47 - IEC-61937 compatible Muxer
49 - Bluray (PGS) subtitle decoder
50 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
52 - Core Audio Format demuxer
54 - MD STUDIO audio demuxer
55 - RF64 support in WAV demuxer
56 - MPEG-4 Audio Lossless Coding (ALS) decoder
57 - -formats option split into -formats, -codecs, -bsfs, and -protocols
59 - CDG demuxer and decoder
61 - Auravision Aura 1 and 2 decoders
62 - Deluxe Paint Animation playback system
64 - Adobe Filmstrip muxer and demuxer
65 - RTP depacketization of H.263
66 - Bink demuxer and audio/video decoders
67 - enable symbol versioning by default for linkers that support it
68 - IFF PBM/ILBM bitmap decoder
71 - RTP depacketization of AMR
77 - Kega Game Video (KGV1) decoder
78 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
79 - RTP depacketization of Theora
80 - HTTP Digest authentication
81 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
82 - Psygnosis YOP demuxer and video decoder
83 - spectral extension support in the E-AC-3 decoder
84 - unsharp video filter
85 - RTP hinting in the mov/3gp/mp4 muxer
86 - Dirac in Ogg demuxing
87 - seek to keyframes in Ogg
88 - 4:2:2 and 4:4:4 Theora decoding
89 - 35% faster VP3/Theora decoding
91 - faster H.264 decoding
97 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
98 - TechSmith Camtasia (TSCC) video decoder
99 - IBM Ultimotion (ULTI) video decoder
100 - Sierra Online audio file demuxer and decoder
101 - Apple QuickDraw (qdrw) video decoder
102 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
103 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
104 - Miro VideoXL (VIXL) video decoder
105 - H.261 video encoder
107 - Nullsoft Video (NSV) file demuxer
108 - Shorten audio decoder
110 - Apple Lossless Audio Codec (ALAC) decoder
111 - Winnov WNV1 video decoder
112 - Autodesk Animator Studio Codec (AASC) decoder
113 - Indeo 2 video decoder
114 - Fraps FPS1 video decoder
115 - Snow video encoder/decoder
116 - Sonic audio encoder/decoder
117 - Vorbis audio decoder
118 - Macromedia ADPCM decoder
119 - Duck TrueMotion 2 video decoder
120 - support for decoding FLX and DTA extensions in FLIC files
121 - H.264 custom quantization matrices support
122 - ffserver fixed, it should now be usable again
124 - Real Cooker audio decoder
125 - TrueSpeech audio decoder
126 - WMA2 audio decoder fixed, now all files should play correctly
127 - RealAudio 14.4 and 28.8 decoders fixed
129 - build system improvements
130 - tabs and trailing whitespace removed from the codebase
131 - CamStudio video decoder
132 - AIFF/AIFF-C audio format, encoding and decoding
133 - ADTS AAC file reading and writing
134 - Creative VOC file reading and writing
135 - American Laser Games multimedia (*.mm) playback system
136 - Zip Motion Blocks Video decoder
137 - improved Theora/VP3 decoder
138 - True Audio (TTA) decoder
139 - AVS demuxer and video decoder
141 - Smacker demuxer and decoder
142 - NuppelVideo/MythTV demuxer and RTjpeg decoder
144 - MPEG-2 intra VLC support
145 - MPEG-2 4:2:2 encoder
146 - Flash Screen Video decoder
148 - Chinese AVS decoder
151 - VC-1/WMV3/WMV9 video decoder
154 - VMware video decoder
157 - WavPack lossless audio decoder
158 - Targa (.TGA) picture decoder
159 - Vorbis audio encoder
160 - Delphine Software .cin demuxer/audio and video decoder
161 - Tiertex .seq demuxer/video decoder
163 - TIFF picture encoder and decoder
164 - GIF picture decoder
165 - Intel Music Coder decoder
166 - Zip Motion Blocks Video encoder
168 - Flash Screen Video encoder
169 - Theora encoding via libtheora
172 - GSM-MS encoder and decoder
174 - DXA demuxer and decoder
176 - Gamecube movie (.THP) playback system
177 - Blackfin optimizations
178 - Interplay C93 demuxer and video decoder
179 - Bethsoft VID demuxer and video decoder
182 - V.Flash PTX decoder
183 - RoQ muxer, RoQ audio encoder
184 - Renderware TXD demuxer and decoder
185 - extern C declarations for C++ removed from headers
186 - sws_flags command line option
190 - OS/2 support removed and restored again
193 - additional SPARC (VIS) optimizations
195 - slice-based parallel H.264 decoding
196 - Monkey's Audio demuxer and decoder
197 - AMV audio and video decoder
199 - H.264 PAFF decoding
200 - Nellymoser ASAO decoder
201 - Beam Software SIFF demuxer and decoder
202 - libvorbis Vorbis decoding removed in favor of native decoder
203 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
204 - Ogg (Theora, Vorbis and FLAC) muxer
205 - The "device" muxers and demuxers are now in a new libavdevice library
206 - PC Paintbrush PCX decoder
207 - Sun Rasterfile decoder
208 - TechnoTrend PVA demuxer
209 - Linux Media Labs MPEG-4 (LMLM4) demuxer
210 - AVM2 (Flash 9) SWF muxer
211 - QT variant of IMA ADPCM encoder
213 - iPod/iPhone compatible mp4 muxer
215 - MSN TCP Webcam stream demuxer
216 - RL2 demuxer / decoder
219 - non-recursive Makefiles
221 - MAXIS EA XA (.xa) demuxer / decoder
225 - Electronic Arts CMV decoder
226 - Motion Pixels Video decoder
227 - Motion Pixels MVI demuxer
228 - removed animated GIF decoder/demuxer
229 - D-Cinema audio muxer
230 - Electronic Arts TGV decoder
231 - Apple Lossless Audio Codec (ALAC) encoder
233 - floating point PCM encoder/decoder
235 - DV100 AKA DVCPRO HD decoder and demuxer
236 - E-AC-3 support added to AC-3 decoder
237 - Nellymoser ASAO encoder
238 - ASS and SSA demuxer and muxer
239 - liba52 wrapper removed
240 - SVQ3 watermark decoding support
241 - Speex decoding via libspeex
242 - Electronic Arts TGQ decoder
244 - QCELP / PureVoice decoder
246 - hybrid WavPack support
247 - R3D REDCODE demuxer
248 - ALSA support for playback and record
249 - Electronic Arts TQI decoder
250 - OpenJPEG based JPEG 2000 decoder
251 - NC (NC4600) camera file demuxer
252 - Gopher client support
254 - generic metadata API
260 - DV encoder, DV muxer
261 - Microsoft RLE video decoder
262 - Microsoft Video-1 decoder
263 - Apple Animation (RLE) decoder
264 - Apple Graphics (SMC) decoder
265 - Apple Video (RPZA) decoder
267 - Sega FILM (CPK) file demuxer
268 - Westwood multimedia support (VQA & AUD files)
269 - Id Quake II CIN playback support
271 - FLIC playback support
272 - RealVideo 2.0 (RV20) decoder
273 - Duck TrueMotion v1 (DUCK) video decoder
274 - Sierra VMD demuxer and video decoder
275 - MSZH and ZLIB decoder support
279 - rate distortion optimal cbp support
280 - rate distorted optimal ac prediction for MPEG-4
281 - rate distorted optimal lambda->qp support
282 - AAC encoding with libfaac
283 - Sunplus JPEG codec (SP5X) support
284 - use Lagrange multipler instead of QP for ratecontrol
285 - Theora/VP3 decoding support
286 - XA and ADX ADPCM codecs
287 - export MPEG-2 active display area / pan scan
288 - Add support for configuring with IBM XLC
289 - floating point AAN DCT
290 - initial support for zygo video (not complete)
292 - new audio/video parser API
294 - av_read_frame() and av_seek_frame() support
295 - missing last frame fixes
296 - seek by mouse in ffplay
297 - noise reduction of DCT coefficients
298 - H.263 OBMC & 4MV support
299 - H.263 alternative inter vlc support
301 - H.263 slice structured mode
302 - interlaced DCT support for MPEG-2 encoding
303 - stuffing to stay above min_bitrate
304 - MB type & QP visualization
305 - frame stepping for ffplay
306 - interlaced motion estimation
307 - alternate scantable support
308 - SVCD scan offset support
311 - quantizer noise shaping
312 - G.726 ADPCM audio codec
314 - multithreaded/SMP motion estimation
315 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
316 - multithreaded/SMP decoding for MPEG-2
318 - Metrowerks CodeWarrior suppport
319 - H.263+ custom pcf support
320 - nicer output for 'ffmpeg -formats'
322 - SGI image format, encoding and decoding
323 - H.264 loop filter support
324 - H.264 CABAC support
325 - nicer looking arrows for the motion vector visualization
326 - improved VCD support
327 - audio timestamp drift compensation
328 - MPEG-2 YUV 422/444 support
329 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
330 - better image scaling
332 - correctly interleave packets during encoding
333 - VIS optimized motion compensation
334 - intra_dc_precision>0 encoding support
335 - support reuse of motion vectors/MB types/field select values of the source video
336 - more accurate deblock filter
338 - many optimizations and bugfixes
339 - FunCom ISS audio file demuxer and according ADPCM decoding
345 - MPEG-2 video encoding (Michael)
346 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
347 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
349 - Xan DPCM audio decoder (Mario Brito)
350 - Interplay MVE playback subsystem (Mike Melanson)
351 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
357 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
358 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
359 - current version now also compiles with older GCC (Fabrice)
360 - 4X multimedia playback system including 4xm file demuxer (Mike
361 Melanson), and 4X video and audio codecs (Michael)
362 - Creative YUV (CYUV) decoder (Mike Melanson)
363 - FFV1 codec (our very simple lossless intra only codec, compresses much better
364 than HuffYUV) (Michael)
365 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
366 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
367 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
368 - ffplay has been replaced with a newer version which uses SDL (optionally)
369 for multiplatform support (Fabrice)
370 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
372 - AMR format has been added (Johannes Carlsson)
373 - 3GP support has been added (Johannes Carlsson)
374 - VP3 codec has been added (Mike Melanson)
375 - more MPEG-1/2 fixes
376 - better multiplatform support, MS Visual Studio fixes (various)
377 - AltiVec optimizations (Magnus Damn and others)
378 - SH4 processor support has been added (BERO)
379 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
380 - VOB streaming support (Brian Foley)
381 - better MP3 autodetection (Andriy Rysin)
382 - qpel encoding (Michael)
383 - 4mv+b frames encoding finally fixed (Michael)
384 - chroma ME (Michael)
385 - 5 comparison functions for ME (Michael)
386 - B-frame encoding speedup (Michael)
387 - WMV2 codec (unfinished - Michael)
388 - user specified diamond size for EPZS (Michael)
389 - Playstation STR playback subsystem, still experimental (Mike and Michael)
390 - ASV2 codec (Michael)
391 - CLJR decoder (Alex)
393 .. And lots more new enhancements and fixes.
399 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
401 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
402 - fix quantization bug in AC3 encoder
403 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
404 - added prototype ffplay program
405 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
406 - bug fix on MCBPC tables of H.263 (Juanjo)
407 - bug fix on DC coefficients of H.263 (Juanjo)
408 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
409 - now we can decode H.263 streams found in QuickTime files (Juanjo)
410 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
411 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
412 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
413 - now H.263 picture size is returned on the first decoded frame (Juanjo)
414 - added first regression tests
415 - added MPEG-2 TS demuxer
416 - new demux API for libav
417 - more accurate and faster IDCT (Michael)
418 - faster and entropy-controlled motion search (Michael)
419 - two pass video encoding (Michael)
420 - new video rate control (Michael)
421 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
422 - great performance improvement of video encoders and decoders (Michael)
423 - new and faster bit readers and vlc parsers (Michael)
424 - high quality encoding mode: tries all macroblock/VLC types (Michael)
425 - added DV video decoder
426 - preliminary RTP/RTSP support in ffserver and libavformat
427 - H.263+ AIC decoding/encoding support (Juanjo)
428 - VCD MPEG-PS mode (Juanjo)
429 - PSNR stuff (Juanjo)
430 - simple stats output (Juanjo)
431 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
437 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
438 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
439 - added configure system (actually a small shell script)
440 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
441 Michael Hipp (temporary solution - waiting for integer only
443 - fixed VIDIOCSYNC interrupt
444 - added Intel H.263 decoding support ('I263' AVI fourCC)
445 - added Real Video 1.0 decoding (needs further testing)
446 - simplified image formats again. Added PGM format (=grey
447 pgm). Renamed old PGM to PGMYUV.
448 - fixed msmpeg4 slice issues (tell me if you still find problems)
449 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
450 - added support for MPlayer interface
451 - added macroblock skip optimization
452 - added MJPEG decoder
453 - added mmx/mmxext IDCT from libmpeg2
454 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
455 <celer at shell.scrypt.net>)
456 - added pixel format conversion layer (e.g. for MJPEG or PPM)
457 - added deinterlacing option
459 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
460 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
461 - Windows porting of file converter
462 - added MJPEG raw format (input/ouput)
463 - added JPEG image format support (input/output)
469 - fixed some std header definitions (Bjorn Lindgren
470 <bjorn.e.lindgren at telia.com>).
471 - added MPEG demuxer (MPEG-1 and 2 compatible).
473 - added prototype RM demuxer
474 - added AC3 decoding (done with libac3 by Aaron Holtzman)
475 - added decoding codec parameter guessing (.e.g. for MPEG, because the
476 header does not include them)
477 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
478 play them (only tested video)
479 - fixed H.263 white bug
480 - fixed phase rounding in img resample filter
481 - add MMX code for polyphase img resample filter
482 - added CPU autodetection
483 - added generic title/author/copyright/comment string handling (ASF and RM
485 - added SWF demux to extract MP3 track (not usable yet because no MP3
487 - added fractional frame rate support
488 - codecs are no longer searched by read_header() (should fix ffserver
495 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
496 - fixed raw yuv output
497 - added motion rounding support in MPEG-4
498 - fixed motion bug rounding in MSMPEG4
499 - added B-frame handling in video core
500 - added full MPEG-1 decoding support
501 - added partial (frame only) MPEG-2 support
502 - changed the FOURCC code for H.263 to "U263" to be able to see the
503 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
504 this +codec ;) (JuanJo).
505 - Halfpel motion estimation after MB type selection (JuanJo)
506 - added pgm and .Y.U.V output format
507 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
509 - added pgmpipe I/O format (original patch from Martin Aumueller
510 <lists at reserv.at>, but changed completely since we use a format
511 instead of a protocol)
517 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
518 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
519 missing. MSMPEG4 support is complete.
520 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
521 can decode ffmpeg MPEGs :-)).
522 - added libavcodec API documentation (see apiexample.c).
523 - fixed image polyphase bug (the bottom of some images could be
525 - added support for non clipped motion vectors (decoding only)
526 and image sizes non-multiple of 16
527 - added support for AC prediction (decoding only)
528 - added file overwrite confirmation (can be disabled with -y)
529 - added custom size picture to H.263 using H.263+ (Juanjo)
534 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
535 of AVI and ASF to DIV3.
536 - added -me option to set motion estimation method
537 (default=log). suppressed redundant -hq option.
538 - added options -acodec and -vcodec to force a given codec (useful for
541 - improved dct_quantize speed
542 - factorized some motion estimation code
548 - removing grab code from ffserver and moved it to ffmpeg. Added
549 multistream support to ffmpeg.
550 - added timeshifting support for live feeds (option ?date=xxx in the
552 - added high quality image resize code with polyphase filter (need
553 mmx/see optimization). Enable multiple image size support in ffserver.
554 - added multi live feed support in ffserver
555 - suppressed master feature from ffserver (it should be done with an
556 external program which opens the .ffm url and writes it to another
558 - added preliminary support for video stream parsing (WAV and AVI half
559 done). Added proper support for audio/video file conversion in
561 - added preliminary support for video file sending from ffserver
562 - redesigning I/O subsystem: now using URL based input and output
564 - added WAV format support
565 - added "tty user interface" to ffmpeg to stop grabbing gracefully
566 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
567 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
568 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
569 - added new motion estimation algorithms, log and phods (Juanjo)
570 - changed directories: libav for format handling, libavcodec for
577 - added stereo in MPEG audio encoder
583 - added 'high quality' mode which use motion vectors. It can be used in
584 real time at low resolution.
585 - fixed rounding problems which caused quality problems at high
586 bitrates and large GOP size
590 version 0.3.2: small fixes
597 version 0.3.1: added avi/divx support
600 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
601 - added sound for flash format (not tested)
605 version 0.3: initial public release