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
92 - RealAudio 1.0 (14.4K) encoder
98 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
99 - TechSmith Camtasia (TSCC) video decoder
100 - IBM Ultimotion (ULTI) video decoder
101 - Sierra Online audio file demuxer and decoder
102 - Apple QuickDraw (qdrw) video decoder
103 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
104 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
105 - Miro VideoXL (VIXL) video decoder
106 - H.261 video encoder
108 - Nullsoft Video (NSV) file demuxer
109 - Shorten audio decoder
111 - Apple Lossless Audio Codec (ALAC) decoder
112 - Winnov WNV1 video decoder
113 - Autodesk Animator Studio Codec (AASC) decoder
114 - Indeo 2 video decoder
115 - Fraps FPS1 video decoder
116 - Snow video encoder/decoder
117 - Sonic audio encoder/decoder
118 - Vorbis audio decoder
119 - Macromedia ADPCM decoder
120 - Duck TrueMotion 2 video decoder
121 - support for decoding FLX and DTA extensions in FLIC files
122 - H.264 custom quantization matrices support
123 - ffserver fixed, it should now be usable again
125 - Real Cooker audio decoder
126 - TrueSpeech audio decoder
127 - WMA2 audio decoder fixed, now all files should play correctly
128 - RealAudio 14.4 and 28.8 decoders fixed
130 - build system improvements
131 - tabs and trailing whitespace removed from the codebase
132 - CamStudio video decoder
133 - AIFF/AIFF-C audio format, encoding and decoding
134 - ADTS AAC file reading and writing
135 - Creative VOC file reading and writing
136 - American Laser Games multimedia (*.mm) playback system
137 - Zip Motion Blocks Video decoder
138 - improved Theora/VP3 decoder
139 - True Audio (TTA) decoder
140 - AVS demuxer and video decoder
142 - Smacker demuxer and decoder
143 - NuppelVideo/MythTV demuxer and RTjpeg decoder
145 - MPEG-2 intra VLC support
146 - MPEG-2 4:2:2 encoder
147 - Flash Screen Video decoder
149 - Chinese AVS decoder
152 - VC-1/WMV3/WMV9 video decoder
155 - VMware video decoder
158 - WavPack lossless audio decoder
159 - Targa (.TGA) picture decoder
160 - Vorbis audio encoder
161 - Delphine Software .cin demuxer/audio and video decoder
162 - Tiertex .seq demuxer/video decoder
164 - TIFF picture encoder and decoder
165 - GIF picture decoder
166 - Intel Music Coder decoder
167 - Zip Motion Blocks Video encoder
169 - Flash Screen Video encoder
170 - Theora encoding via libtheora
173 - GSM-MS encoder and decoder
175 - DXA demuxer and decoder
177 - Gamecube movie (.THP) playback system
178 - Blackfin optimizations
179 - Interplay C93 demuxer and video decoder
180 - Bethsoft VID demuxer and video decoder
183 - V.Flash PTX decoder
184 - RoQ muxer, RoQ audio encoder
185 - Renderware TXD demuxer and decoder
186 - extern C declarations for C++ removed from headers
187 - sws_flags command line option
191 - OS/2 support removed and restored again
194 - additional SPARC (VIS) optimizations
196 - slice-based parallel H.264 decoding
197 - Monkey's Audio demuxer and decoder
198 - AMV audio and video decoder
200 - H.264 PAFF decoding
201 - Nellymoser ASAO decoder
202 - Beam Software SIFF demuxer and decoder
203 - libvorbis Vorbis decoding removed in favor of native decoder
204 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
205 - Ogg (Theora, Vorbis and FLAC) muxer
206 - The "device" muxers and demuxers are now in a new libavdevice library
207 - PC Paintbrush PCX decoder
208 - Sun Rasterfile decoder
209 - TechnoTrend PVA demuxer
210 - Linux Media Labs MPEG-4 (LMLM4) demuxer
211 - AVM2 (Flash 9) SWF muxer
212 - QT variant of IMA ADPCM encoder
214 - iPod/iPhone compatible mp4 muxer
216 - MSN TCP Webcam stream demuxer
217 - RL2 demuxer / decoder
220 - non-recursive Makefiles
222 - MAXIS EA XA (.xa) demuxer / decoder
226 - Electronic Arts CMV decoder
227 - Motion Pixels Video decoder
228 - Motion Pixels MVI demuxer
229 - removed animated GIF decoder/demuxer
230 - D-Cinema audio muxer
231 - Electronic Arts TGV decoder
232 - Apple Lossless Audio Codec (ALAC) encoder
234 - floating point PCM encoder/decoder
236 - DV100 AKA DVCPRO HD decoder and demuxer
237 - E-AC-3 support added to AC-3 decoder
238 - Nellymoser ASAO encoder
239 - ASS and SSA demuxer and muxer
240 - liba52 wrapper removed
241 - SVQ3 watermark decoding support
242 - Speex decoding via libspeex
243 - Electronic Arts TGQ decoder
245 - QCELP / PureVoice decoder
247 - hybrid WavPack support
248 - R3D REDCODE demuxer
249 - ALSA support for playback and record
250 - Electronic Arts TQI decoder
251 - OpenJPEG based JPEG 2000 decoder
252 - NC (NC4600) camera file demuxer
253 - Gopher client support
255 - generic metadata API
261 - DV encoder, DV muxer
262 - Microsoft RLE video decoder
263 - Microsoft Video-1 decoder
264 - Apple Animation (RLE) decoder
265 - Apple Graphics (SMC) decoder
266 - Apple Video (RPZA) decoder
268 - Sega FILM (CPK) file demuxer
269 - Westwood multimedia support (VQA & AUD files)
270 - Id Quake II CIN playback support
272 - FLIC playback support
273 - RealVideo 2.0 (RV20) decoder
274 - Duck TrueMotion v1 (DUCK) video decoder
275 - Sierra VMD demuxer and video decoder
276 - MSZH and ZLIB decoder support
280 - rate distortion optimal cbp support
281 - rate distorted optimal ac prediction for MPEG-4
282 - rate distorted optimal lambda->qp support
283 - AAC encoding with libfaac
284 - Sunplus JPEG codec (SP5X) support
285 - use Lagrange multipler instead of QP for ratecontrol
286 - Theora/VP3 decoding support
287 - XA and ADX ADPCM codecs
288 - export MPEG-2 active display area / pan scan
289 - Add support for configuring with IBM XLC
290 - floating point AAN DCT
291 - initial support for zygo video (not complete)
293 - new audio/video parser API
295 - av_read_frame() and av_seek_frame() support
296 - missing last frame fixes
297 - seek by mouse in ffplay
298 - noise reduction of DCT coefficients
299 - H.263 OBMC & 4MV support
300 - H.263 alternative inter vlc support
302 - H.263 slice structured mode
303 - interlaced DCT support for MPEG-2 encoding
304 - stuffing to stay above min_bitrate
305 - MB type & QP visualization
306 - frame stepping for ffplay
307 - interlaced motion estimation
308 - alternate scantable support
309 - SVCD scan offset support
312 - quantizer noise shaping
313 - G.726 ADPCM audio codec
315 - multithreaded/SMP motion estimation
316 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
317 - multithreaded/SMP decoding for MPEG-2
319 - Metrowerks CodeWarrior suppport
320 - H.263+ custom pcf support
321 - nicer output for 'ffmpeg -formats'
323 - SGI image format, encoding and decoding
324 - H.264 loop filter support
325 - H.264 CABAC support
326 - nicer looking arrows for the motion vector visualization
327 - improved VCD support
328 - audio timestamp drift compensation
329 - MPEG-2 YUV 422/444 support
330 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
331 - better image scaling
333 - correctly interleave packets during encoding
334 - VIS optimized motion compensation
335 - intra_dc_precision>0 encoding support
336 - support reuse of motion vectors/MB types/field select values of the source video
337 - more accurate deblock filter
339 - many optimizations and bugfixes
340 - FunCom ISS audio file demuxer and according ADPCM decoding
346 - MPEG-2 video encoding (Michael)
347 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
348 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
350 - Xan DPCM audio decoder (Mario Brito)
351 - Interplay MVE playback subsystem (Mike Melanson)
352 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
358 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
359 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
360 - current version now also compiles with older GCC (Fabrice)
361 - 4X multimedia playback system including 4xm file demuxer (Mike
362 Melanson), and 4X video and audio codecs (Michael)
363 - Creative YUV (CYUV) decoder (Mike Melanson)
364 - FFV1 codec (our very simple lossless intra only codec, compresses much better
365 than HuffYUV) (Michael)
366 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
367 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
368 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
369 - ffplay has been replaced with a newer version which uses SDL (optionally)
370 for multiplatform support (Fabrice)
371 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
373 - AMR format has been added (Johannes Carlsson)
374 - 3GP support has been added (Johannes Carlsson)
375 - VP3 codec has been added (Mike Melanson)
376 - more MPEG-1/2 fixes
377 - better multiplatform support, MS Visual Studio fixes (various)
378 - AltiVec optimizations (Magnus Damn and others)
379 - SH4 processor support has been added (BERO)
380 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
381 - VOB streaming support (Brian Foley)
382 - better MP3 autodetection (Andriy Rysin)
383 - qpel encoding (Michael)
384 - 4mv+b frames encoding finally fixed (Michael)
385 - chroma ME (Michael)
386 - 5 comparison functions for ME (Michael)
387 - B-frame encoding speedup (Michael)
388 - WMV2 codec (unfinished - Michael)
389 - user specified diamond size for EPZS (Michael)
390 - Playstation STR playback subsystem, still experimental (Mike and Michael)
391 - ASV2 codec (Michael)
392 - CLJR decoder (Alex)
394 .. And lots more new enhancements and fixes.
400 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
402 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
403 - fix quantization bug in AC3 encoder
404 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
405 - added prototype ffplay program
406 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
407 - bug fix on MCBPC tables of H.263 (Juanjo)
408 - bug fix on DC coefficients of H.263 (Juanjo)
409 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
410 - now we can decode H.263 streams found in QuickTime files (Juanjo)
411 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
412 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
413 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
414 - now H.263 picture size is returned on the first decoded frame (Juanjo)
415 - added first regression tests
416 - added MPEG-2 TS demuxer
417 - new demux API for libav
418 - more accurate and faster IDCT (Michael)
419 - faster and entropy-controlled motion search (Michael)
420 - two pass video encoding (Michael)
421 - new video rate control (Michael)
422 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
423 - great performance improvement of video encoders and decoders (Michael)
424 - new and faster bit readers and vlc parsers (Michael)
425 - high quality encoding mode: tries all macroblock/VLC types (Michael)
426 - added DV video decoder
427 - preliminary RTP/RTSP support in ffserver and libavformat
428 - H.263+ AIC decoding/encoding support (Juanjo)
429 - VCD MPEG-PS mode (Juanjo)
430 - PSNR stuff (Juanjo)
431 - simple stats output (Juanjo)
432 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
438 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
439 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
440 - added configure system (actually a small shell script)
441 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
442 Michael Hipp (temporary solution - waiting for integer only
444 - fixed VIDIOCSYNC interrupt
445 - added Intel H.263 decoding support ('I263' AVI fourCC)
446 - added Real Video 1.0 decoding (needs further testing)
447 - simplified image formats again. Added PGM format (=grey
448 pgm). Renamed old PGM to PGMYUV.
449 - fixed msmpeg4 slice issues (tell me if you still find problems)
450 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
451 - added support for MPlayer interface
452 - added macroblock skip optimization
453 - added MJPEG decoder
454 - added mmx/mmxext IDCT from libmpeg2
455 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
456 <celer at shell.scrypt.net>)
457 - added pixel format conversion layer (e.g. for MJPEG or PPM)
458 - added deinterlacing option
460 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
461 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
462 - Windows porting of file converter
463 - added MJPEG raw format (input/ouput)
464 - added JPEG image format support (input/output)
470 - fixed some std header definitions (Bjorn Lindgren
471 <bjorn.e.lindgren at telia.com>).
472 - added MPEG demuxer (MPEG-1 and 2 compatible).
474 - added prototype RM demuxer
475 - added AC3 decoding (done with libac3 by Aaron Holtzman)
476 - added decoding codec parameter guessing (.e.g. for MPEG, because the
477 header does not include them)
478 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
479 play them (only tested video)
480 - fixed H.263 white bug
481 - fixed phase rounding in img resample filter
482 - add MMX code for polyphase img resample filter
483 - added CPU autodetection
484 - added generic title/author/copyright/comment string handling (ASF and RM
486 - added SWF demux to extract MP3 track (not usable yet because no MP3
488 - added fractional frame rate support
489 - codecs are no longer searched by read_header() (should fix ffserver
496 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
497 - fixed raw yuv output
498 - added motion rounding support in MPEG-4
499 - fixed motion bug rounding in MSMPEG4
500 - added B-frame handling in video core
501 - added full MPEG-1 decoding support
502 - added partial (frame only) MPEG-2 support
503 - changed the FOURCC code for H.263 to "U263" to be able to see the
504 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
505 this +codec ;) (JuanJo).
506 - Halfpel motion estimation after MB type selection (JuanJo)
507 - added pgm and .Y.U.V output format
508 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
510 - added pgmpipe I/O format (original patch from Martin Aumueller
511 <lists at reserv.at>, but changed completely since we use a format
512 instead of a protocol)
518 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
519 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
520 missing. MSMPEG4 support is complete.
521 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
522 can decode ffmpeg MPEGs :-)).
523 - added libavcodec API documentation (see apiexample.c).
524 - fixed image polyphase bug (the bottom of some images could be
526 - added support for non clipped motion vectors (decoding only)
527 and image sizes non-multiple of 16
528 - added support for AC prediction (decoding only)
529 - added file overwrite confirmation (can be disabled with -y)
530 - added custom size picture to H.263 using H.263+ (Juanjo)
535 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
536 of AVI and ASF to DIV3.
537 - added -me option to set motion estimation method
538 (default=log). suppressed redundant -hq option.
539 - added options -acodec and -vcodec to force a given codec (useful for
542 - improved dct_quantize speed
543 - factorized some motion estimation code
549 - removing grab code from ffserver and moved it to ffmpeg. Added
550 multistream support to ffmpeg.
551 - added timeshifting support for live feeds (option ?date=xxx in the
553 - added high quality image resize code with polyphase filter (need
554 mmx/see optimization). Enable multiple image size support in ffserver.
555 - added multi live feed support in ffserver
556 - suppressed master feature from ffserver (it should be done with an
557 external program which opens the .ffm url and writes it to another
559 - added preliminary support for video stream parsing (WAV and AVI half
560 done). Added proper support for audio/video file conversion in
562 - added preliminary support for video file sending from ffserver
563 - redesigning I/O subsystem: now using URL based input and output
565 - added WAV format support
566 - added "tty user interface" to ffmpeg to stop grabbing gracefully
567 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
568 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
569 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
570 - added new motion estimation algorithms, log and phods (Juanjo)
571 - changed directories: libav for format handling, libavcodec for
578 - added stereo in MPEG audio encoder
584 - added 'high quality' mode which use motion vectors. It can be used in
585 real time at low resolution.
586 - fixed rounding problems which caused quality problems at high
587 bitrates and large GOP size
591 version 0.3.2: small fixes
598 version 0.3.1: added avi/divx support
601 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
602 - added sound for flash format (not tested)
606 version 0.3: initial public release