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
15 - libfaad2 wrapper removed
16 - DTS-ES extension (XCh) decoding support
18 - RTSP tunneling over HTTP
19 - RTP depacketization of SVQ3
20 - -strict inofficial replaced by -strict unofficial
21 - ffplay -exitonkeydown and -exitonmousedown options added
22 - native GSM / GSM MS decoder
23 - RTP depacketization of QDM2
29 - PB-frame decoding for H.263
30 - deprecated vhook subsystem removed
31 - deprecated old scaler removed
33 - Alpha channel scaler
35 - RTP packetization of H.263
36 - RTP packetization of AMR
37 - RTP depacketization of Vorbis
38 - CorePNG decoding support
39 - Cook multichannel decoding support
40 - introduced avlanguage helpers in libavformat
41 - 8088flex TMV demuxer and decoder
42 - per-stream language-tags extraction in asfdec
43 - V210 decoder and encoder
44 - remaining GPL parts in AC-3 decoder converted to LGPL
46 - SoX native format muxer and demuxer
47 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
49 - Electronic Arts Madcow decoder
50 - DivX (XSUB) subtitle encoder
51 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
52 - experimental AAC encoder
53 - RTP depacketization of ASF and RTSP from WMS servers
54 - RTMP support in libavformat
55 - noX handling for OPT_BOOL X options
57 - IEC-61937 compatible Muxer
59 - Bluray (PGS) subtitle decoder
60 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
62 - Core Audio Format demuxer
64 - MD STUDIO audio demuxer
65 - RF64 support in WAV demuxer
66 - MPEG-4 Audio Lossless Coding (ALS) decoder
67 - -formats option split into -formats, -codecs, -bsfs, and -protocols
69 - CDG demuxer and decoder
71 - Auravision Aura 1 and 2 decoders
72 - Deluxe Paint Animation playback system
74 - Adobe Filmstrip muxer and demuxer
75 - RTP depacketization of H.263
76 - Bink demuxer and audio/video decoders
77 - enable symbol versioning by default for linkers that support it
78 - IFF PBM/ILBM bitmap decoder
81 - RTP depacketization of AMR
87 - Kega Game Video (KGV1) decoder
88 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
89 - RTP depacketization of Theora
90 - HTTP Digest authentication
91 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
92 - Psygnosis YOP demuxer and video decoder
93 - spectral extension support in the E-AC-3 decoder
94 - unsharp video filter
95 - RTP hinting in the mov/3gp/mp4 muxer
96 - Dirac in Ogg demuxing
97 - seek to keyframes in Ogg
98 - 4:2:2 and 4:4:4 Theora decoding
99 - 35% faster VP3/Theora decoding
100 - faster AAC decoding
101 - faster H.264 decoding
102 - RealAudio 1.0 (14.4K) encoder
108 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
109 - TechSmith Camtasia (TSCC) video decoder
110 - IBM Ultimotion (ULTI) video decoder
111 - Sierra Online audio file demuxer and decoder
112 - Apple QuickDraw (qdrw) video decoder
113 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
114 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
115 - Miro VideoXL (VIXL) video decoder
116 - H.261 video encoder
118 - Nullsoft Video (NSV) file demuxer
119 - Shorten audio decoder
121 - Apple Lossless Audio Codec (ALAC) decoder
122 - Winnov WNV1 video decoder
123 - Autodesk Animator Studio Codec (AASC) decoder
124 - Indeo 2 video decoder
125 - Fraps FPS1 video decoder
126 - Snow video encoder/decoder
127 - Sonic audio encoder/decoder
128 - Vorbis audio decoder
129 - Macromedia ADPCM decoder
130 - Duck TrueMotion 2 video decoder
131 - support for decoding FLX and DTA extensions in FLIC files
132 - H.264 custom quantization matrices support
133 - ffserver fixed, it should now be usable again
135 - Real Cooker audio decoder
136 - TrueSpeech audio decoder
137 - WMA2 audio decoder fixed, now all files should play correctly
138 - RealAudio 14.4 and 28.8 decoders fixed
140 - build system improvements
141 - tabs and trailing whitespace removed from the codebase
142 - CamStudio video decoder
143 - AIFF/AIFF-C audio format, encoding and decoding
144 - ADTS AAC file reading and writing
145 - Creative VOC file reading and writing
146 - American Laser Games multimedia (*.mm) playback system
147 - Zip Motion Blocks Video decoder
148 - improved Theora/VP3 decoder
149 - True Audio (TTA) decoder
150 - AVS demuxer and video decoder
152 - Smacker demuxer and decoder
153 - NuppelVideo/MythTV demuxer and RTjpeg decoder
155 - MPEG-2 intra VLC support
156 - MPEG-2 4:2:2 encoder
157 - Flash Screen Video decoder
159 - Chinese AVS decoder
162 - VC-1/WMV3/WMV9 video decoder
165 - VMware video decoder
168 - WavPack lossless audio decoder
169 - Targa (.TGA) picture decoder
170 - Vorbis audio encoder
171 - Delphine Software .cin demuxer/audio and video decoder
172 - Tiertex .seq demuxer/video decoder
174 - TIFF picture encoder and decoder
175 - GIF picture decoder
176 - Intel Music Coder decoder
177 - Zip Motion Blocks Video encoder
179 - Flash Screen Video encoder
180 - Theora encoding via libtheora
183 - GSM-MS encoder and decoder
185 - DXA demuxer and decoder
187 - Gamecube movie (.THP) playback system
188 - Blackfin optimizations
189 - Interplay C93 demuxer and video decoder
190 - Bethsoft VID demuxer and video decoder
193 - V.Flash PTX decoder
194 - RoQ muxer, RoQ audio encoder
195 - Renderware TXD demuxer and decoder
196 - extern C declarations for C++ removed from headers
197 - sws_flags command line option
201 - OS/2 support removed and restored again
204 - additional SPARC (VIS) optimizations
206 - slice-based parallel H.264 decoding
207 - Monkey's Audio demuxer and decoder
208 - AMV audio and video decoder
210 - H.264 PAFF decoding
211 - Nellymoser ASAO decoder
212 - Beam Software SIFF demuxer and decoder
213 - libvorbis Vorbis decoding removed in favor of native decoder
214 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
215 - Ogg (Theora, Vorbis and FLAC) muxer
216 - The "device" muxers and demuxers are now in a new libavdevice library
217 - PC Paintbrush PCX decoder
218 - Sun Rasterfile decoder
219 - TechnoTrend PVA demuxer
220 - Linux Media Labs MPEG-4 (LMLM4) demuxer
221 - AVM2 (Flash 9) SWF muxer
222 - QT variant of IMA ADPCM encoder
224 - iPod/iPhone compatible mp4 muxer
226 - MSN TCP Webcam stream demuxer
227 - RL2 demuxer / decoder
230 - non-recursive Makefiles
232 - MAXIS EA XA (.xa) demuxer / decoder
236 - Electronic Arts CMV decoder
237 - Motion Pixels Video decoder
238 - Motion Pixels MVI demuxer
239 - removed animated GIF decoder/demuxer
240 - D-Cinema audio muxer
241 - Electronic Arts TGV decoder
242 - Apple Lossless Audio Codec (ALAC) encoder
244 - floating point PCM encoder/decoder
246 - DV100 AKA DVCPRO HD decoder and demuxer
247 - E-AC-3 support added to AC-3 decoder
248 - Nellymoser ASAO encoder
249 - ASS and SSA demuxer and muxer
250 - liba52 wrapper removed
251 - SVQ3 watermark decoding support
252 - Speex decoding via libspeex
253 - Electronic Arts TGQ decoder
255 - QCELP / PureVoice decoder
257 - hybrid WavPack support
258 - R3D REDCODE demuxer
259 - ALSA support for playback and record
260 - Electronic Arts TQI decoder
261 - OpenJPEG based JPEG 2000 decoder
262 - NC (NC4600) camera file demuxer
263 - Gopher client support
265 - generic metadata API
271 - DV encoder, DV muxer
272 - Microsoft RLE video decoder
273 - Microsoft Video-1 decoder
274 - Apple Animation (RLE) decoder
275 - Apple Graphics (SMC) decoder
276 - Apple Video (RPZA) decoder
278 - Sega FILM (CPK) file demuxer
279 - Westwood multimedia support (VQA & AUD files)
280 - Id Quake II CIN playback support
282 - FLIC playback support
283 - RealVideo 2.0 (RV20) decoder
284 - Duck TrueMotion v1 (DUCK) video decoder
285 - Sierra VMD demuxer and video decoder
286 - MSZH and ZLIB decoder support
290 - rate distortion optimal cbp support
291 - rate distorted optimal ac prediction for MPEG-4
292 - rate distorted optimal lambda->qp support
293 - AAC encoding with libfaac
294 - Sunplus JPEG codec (SP5X) support
295 - use Lagrange multipler instead of QP for ratecontrol
296 - Theora/VP3 decoding support
297 - XA and ADX ADPCM codecs
298 - export MPEG-2 active display area / pan scan
299 - Add support for configuring with IBM XLC
300 - floating point AAN DCT
301 - initial support for zygo video (not complete)
303 - new audio/video parser API
305 - av_read_frame() and av_seek_frame() support
306 - missing last frame fixes
307 - seek by mouse in ffplay
308 - noise reduction of DCT coefficients
309 - H.263 OBMC & 4MV support
310 - H.263 alternative inter vlc support
312 - H.263 slice structured mode
313 - interlaced DCT support for MPEG-2 encoding
314 - stuffing to stay above min_bitrate
315 - MB type & QP visualization
316 - frame stepping for ffplay
317 - interlaced motion estimation
318 - alternate scantable support
319 - SVCD scan offset support
322 - quantizer noise shaping
323 - G.726 ADPCM audio codec
325 - multithreaded/SMP motion estimation
326 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
327 - multithreaded/SMP decoding for MPEG-2
329 - Metrowerks CodeWarrior suppport
330 - H.263+ custom pcf support
331 - nicer output for 'ffmpeg -formats'
333 - SGI image format, encoding and decoding
334 - H.264 loop filter support
335 - H.264 CABAC support
336 - nicer looking arrows for the motion vector visualization
337 - improved VCD support
338 - audio timestamp drift compensation
339 - MPEG-2 YUV 422/444 support
340 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
341 - better image scaling
343 - correctly interleave packets during encoding
344 - VIS optimized motion compensation
345 - intra_dc_precision>0 encoding support
346 - support reuse of motion vectors/MB types/field select values of the source video
347 - more accurate deblock filter
349 - many optimizations and bugfixes
350 - FunCom ISS audio file demuxer and according ADPCM decoding
356 - MPEG-2 video encoding (Michael)
357 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
358 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
360 - Xan DPCM audio decoder (Mario Brito)
361 - Interplay MVE playback subsystem (Mike Melanson)
362 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
368 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
369 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
370 - current version now also compiles with older GCC (Fabrice)
371 - 4X multimedia playback system including 4xm file demuxer (Mike
372 Melanson), and 4X video and audio codecs (Michael)
373 - Creative YUV (CYUV) decoder (Mike Melanson)
374 - FFV1 codec (our very simple lossless intra only codec, compresses much better
375 than HuffYUV) (Michael)
376 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
377 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
378 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
379 - ffplay has been replaced with a newer version which uses SDL (optionally)
380 for multiplatform support (Fabrice)
381 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
383 - AMR format has been added (Johannes Carlsson)
384 - 3GP support has been added (Johannes Carlsson)
385 - VP3 codec has been added (Mike Melanson)
386 - more MPEG-1/2 fixes
387 - better multiplatform support, MS Visual Studio fixes (various)
388 - AltiVec optimizations (Magnus Damn and others)
389 - SH4 processor support has been added (BERO)
390 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
391 - VOB streaming support (Brian Foley)
392 - better MP3 autodetection (Andriy Rysin)
393 - qpel encoding (Michael)
394 - 4mv+b frames encoding finally fixed (Michael)
395 - chroma ME (Michael)
396 - 5 comparison functions for ME (Michael)
397 - B-frame encoding speedup (Michael)
398 - WMV2 codec (unfinished - Michael)
399 - user specified diamond size for EPZS (Michael)
400 - Playstation STR playback subsystem, still experimental (Mike and Michael)
401 - ASV2 codec (Michael)
402 - CLJR decoder (Alex)
404 .. And lots more new enhancements and fixes.
410 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
412 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
413 - fix quantization bug in AC3 encoder
414 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
415 - added prototype ffplay program
416 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
417 - bug fix on MCBPC tables of H.263 (Juanjo)
418 - bug fix on DC coefficients of H.263 (Juanjo)
419 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
420 - now we can decode H.263 streams found in QuickTime files (Juanjo)
421 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
422 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
423 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
424 - now H.263 picture size is returned on the first decoded frame (Juanjo)
425 - added first regression tests
426 - added MPEG-2 TS demuxer
427 - new demux API for libav
428 - more accurate and faster IDCT (Michael)
429 - faster and entropy-controlled motion search (Michael)
430 - two pass video encoding (Michael)
431 - new video rate control (Michael)
432 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
433 - great performance improvement of video encoders and decoders (Michael)
434 - new and faster bit readers and vlc parsers (Michael)
435 - high quality encoding mode: tries all macroblock/VLC types (Michael)
436 - added DV video decoder
437 - preliminary RTP/RTSP support in ffserver and libavformat
438 - H.263+ AIC decoding/encoding support (Juanjo)
439 - VCD MPEG-PS mode (Juanjo)
440 - PSNR stuff (Juanjo)
441 - simple stats output (Juanjo)
442 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
448 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
449 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
450 - added configure system (actually a small shell script)
451 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
452 Michael Hipp (temporary solution - waiting for integer only
454 - fixed VIDIOCSYNC interrupt
455 - added Intel H.263 decoding support ('I263' AVI fourCC)
456 - added Real Video 1.0 decoding (needs further testing)
457 - simplified image formats again. Added PGM format (=grey
458 pgm). Renamed old PGM to PGMYUV.
459 - fixed msmpeg4 slice issues (tell me if you still find problems)
460 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
461 - added support for MPlayer interface
462 - added macroblock skip optimization
463 - added MJPEG decoder
464 - added mmx/mmxext IDCT from libmpeg2
465 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
466 <celer at shell.scrypt.net>)
467 - added pixel format conversion layer (e.g. for MJPEG or PPM)
468 - added deinterlacing option
470 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
471 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
472 - Windows porting of file converter
473 - added MJPEG raw format (input/ouput)
474 - added JPEG image format support (input/output)
480 - fixed some std header definitions (Bjorn Lindgren
481 <bjorn.e.lindgren at telia.com>).
482 - added MPEG demuxer (MPEG-1 and 2 compatible).
484 - added prototype RM demuxer
485 - added AC3 decoding (done with libac3 by Aaron Holtzman)
486 - added decoding codec parameter guessing (.e.g. for MPEG, because the
487 header does not include them)
488 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
489 play them (only tested video)
490 - fixed H.263 white bug
491 - fixed phase rounding in img resample filter
492 - add MMX code for polyphase img resample filter
493 - added CPU autodetection
494 - added generic title/author/copyright/comment string handling (ASF and RM
496 - added SWF demux to extract MP3 track (not usable yet because no MP3
498 - added fractional frame rate support
499 - codecs are no longer searched by read_header() (should fix ffserver
506 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
507 - fixed raw yuv output
508 - added motion rounding support in MPEG-4
509 - fixed motion bug rounding in MSMPEG4
510 - added B-frame handling in video core
511 - added full MPEG-1 decoding support
512 - added partial (frame only) MPEG-2 support
513 - changed the FOURCC code for H.263 to "U263" to be able to see the
514 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
515 this +codec ;) (JuanJo).
516 - Halfpel motion estimation after MB type selection (JuanJo)
517 - added pgm and .Y.U.V output format
518 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
520 - added pgmpipe I/O format (original patch from Martin Aumueller
521 <lists at reserv.at>, but changed completely since we use a format
522 instead of a protocol)
528 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
529 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
530 missing. MSMPEG4 support is complete.
531 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
532 can decode ffmpeg MPEGs :-)).
533 - added libavcodec API documentation (see apiexample.c).
534 - fixed image polyphase bug (the bottom of some images could be
536 - added support for non clipped motion vectors (decoding only)
537 and image sizes non-multiple of 16
538 - added support for AC prediction (decoding only)
539 - added file overwrite confirmation (can be disabled with -y)
540 - added custom size picture to H.263 using H.263+ (Juanjo)
545 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
546 of AVI and ASF to DIV3.
547 - added -me option to set motion estimation method
548 (default=log). suppressed redundant -hq option.
549 - added options -acodec and -vcodec to force a given codec (useful for
552 - improved dct_quantize speed
553 - factorized some motion estimation code
559 - removing grab code from ffserver and moved it to ffmpeg. Added
560 multistream support to ffmpeg.
561 - added timeshifting support for live feeds (option ?date=xxx in the
563 - added high quality image resize code with polyphase filter (need
564 mmx/see optimization). Enable multiple image size support in ffserver.
565 - added multi live feed support in ffserver
566 - suppressed master feature from ffserver (it should be done with an
567 external program which opens the .ffm url and writes it to another
569 - added preliminary support for video stream parsing (WAV and AVI half
570 done). Added proper support for audio/video file conversion in
572 - added preliminary support for video file sending from ffserver
573 - redesigning I/O subsystem: now using URL based input and output
575 - added WAV format support
576 - added "tty user interface" to ffmpeg to stop grabbing gracefully
577 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
578 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
579 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
580 - added new motion estimation algorithms, log and phods (Juanjo)
581 - changed directories: libav for format handling, libavcodec for
588 - added stereo in MPEG audio encoder
594 - added 'high quality' mode which use motion vectors. It can be used in
595 real time at low resolution.
596 - fixed rounding problems which caused quality problems at high
597 bitrates and large GOP size
601 version 0.3.2: small fixes
608 version 0.3.1: added avi/divx support
611 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
612 - added sound for flash format (not tested)
616 version 0.3: initial public release