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
24 - ANSI/ASCII art playback system
30 - PB-frame decoding for H.263
31 - deprecated vhook subsystem removed
32 - deprecated old scaler removed
34 - Alpha channel scaler
36 - RTP packetization of H.263
37 - RTP packetization of AMR
38 - RTP depacketization of Vorbis
39 - CorePNG decoding support
40 - Cook multichannel decoding support
41 - introduced avlanguage helpers in libavformat
42 - 8088flex TMV demuxer and decoder
43 - per-stream language-tags extraction in asfdec
44 - V210 decoder and encoder
45 - remaining GPL parts in AC-3 decoder converted to LGPL
47 - SoX native format muxer and demuxer
48 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
50 - Electronic Arts Madcow decoder
51 - DivX (XSUB) subtitle encoder
52 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
53 - experimental AAC encoder
54 - RTP depacketization of ASF and RTSP from WMS servers
55 - RTMP support in libavformat
56 - noX handling for OPT_BOOL X options
58 - IEC-61937 compatible Muxer
60 - Bluray (PGS) subtitle decoder
61 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
63 - Core Audio Format demuxer
65 - MD STUDIO audio demuxer
66 - RF64 support in WAV demuxer
67 - MPEG-4 Audio Lossless Coding (ALS) decoder
68 - -formats option split into -formats, -codecs, -bsfs, and -protocols
70 - CDG demuxer and decoder
72 - Auravision Aura 1 and 2 decoders
73 - Deluxe Paint Animation playback system
75 - Adobe Filmstrip muxer and demuxer
76 - RTP depacketization of H.263
77 - Bink demuxer and audio/video decoders
78 - enable symbol versioning by default for linkers that support it
79 - IFF PBM/ILBM bitmap decoder
82 - RTP depacketization of AMR
88 - Kega Game Video (KGV1) decoder
89 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
90 - RTP depacketization of Theora
91 - HTTP Digest authentication
92 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
93 - Psygnosis YOP demuxer and video decoder
94 - spectral extension support in the E-AC-3 decoder
95 - unsharp video filter
96 - RTP hinting in the mov/3gp/mp4 muxer
97 - Dirac in Ogg demuxing
98 - seek to keyframes in Ogg
99 - 4:2:2 and 4:4:4 Theora decoding
100 - 35% faster VP3/Theora decoding
101 - faster AAC decoding
102 - faster H.264 decoding
103 - RealAudio 1.0 (14.4K) encoder
109 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
110 - TechSmith Camtasia (TSCC) video decoder
111 - IBM Ultimotion (ULTI) video decoder
112 - Sierra Online audio file demuxer and decoder
113 - Apple QuickDraw (qdrw) video decoder
114 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
115 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
116 - Miro VideoXL (VIXL) video decoder
117 - H.261 video encoder
119 - Nullsoft Video (NSV) file demuxer
120 - Shorten audio decoder
122 - Apple Lossless Audio Codec (ALAC) decoder
123 - Winnov WNV1 video decoder
124 - Autodesk Animator Studio Codec (AASC) decoder
125 - Indeo 2 video decoder
126 - Fraps FPS1 video decoder
127 - Snow video encoder/decoder
128 - Sonic audio encoder/decoder
129 - Vorbis audio decoder
130 - Macromedia ADPCM decoder
131 - Duck TrueMotion 2 video decoder
132 - support for decoding FLX and DTA extensions in FLIC files
133 - H.264 custom quantization matrices support
134 - ffserver fixed, it should now be usable again
136 - Real Cooker audio decoder
137 - TrueSpeech audio decoder
138 - WMA2 audio decoder fixed, now all files should play correctly
139 - RealAudio 14.4 and 28.8 decoders fixed
141 - build system improvements
142 - tabs and trailing whitespace removed from the codebase
143 - CamStudio video decoder
144 - AIFF/AIFF-C audio format, encoding and decoding
145 - ADTS AAC file reading and writing
146 - Creative VOC file reading and writing
147 - American Laser Games multimedia (*.mm) playback system
148 - Zip Motion Blocks Video decoder
149 - improved Theora/VP3 decoder
150 - True Audio (TTA) decoder
151 - AVS demuxer and video decoder
153 - Smacker demuxer and decoder
154 - NuppelVideo/MythTV demuxer and RTjpeg decoder
156 - MPEG-2 intra VLC support
157 - MPEG-2 4:2:2 encoder
158 - Flash Screen Video decoder
160 - Chinese AVS decoder
163 - VC-1/WMV3/WMV9 video decoder
166 - VMware video decoder
169 - WavPack lossless audio decoder
170 - Targa (.TGA) picture decoder
171 - Vorbis audio encoder
172 - Delphine Software .cin demuxer/audio and video decoder
173 - Tiertex .seq demuxer/video decoder
175 - TIFF picture encoder and decoder
176 - GIF picture decoder
177 - Intel Music Coder decoder
178 - Zip Motion Blocks Video encoder
180 - Flash Screen Video encoder
181 - Theora encoding via libtheora
184 - GSM-MS encoder and decoder
186 - DXA demuxer and decoder
188 - Gamecube movie (.THP) playback system
189 - Blackfin optimizations
190 - Interplay C93 demuxer and video decoder
191 - Bethsoft VID demuxer and video decoder
194 - V.Flash PTX decoder
195 - RoQ muxer, RoQ audio encoder
196 - Renderware TXD demuxer and decoder
197 - extern C declarations for C++ removed from headers
198 - sws_flags command line option
202 - OS/2 support removed and restored again
205 - additional SPARC (VIS) optimizations
207 - slice-based parallel H.264 decoding
208 - Monkey's Audio demuxer and decoder
209 - AMV audio and video decoder
211 - H.264 PAFF decoding
212 - Nellymoser ASAO decoder
213 - Beam Software SIFF demuxer and decoder
214 - libvorbis Vorbis decoding removed in favor of native decoder
215 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
216 - Ogg (Theora, Vorbis and FLAC) muxer
217 - The "device" muxers and demuxers are now in a new libavdevice library
218 - PC Paintbrush PCX decoder
219 - Sun Rasterfile decoder
220 - TechnoTrend PVA demuxer
221 - Linux Media Labs MPEG-4 (LMLM4) demuxer
222 - AVM2 (Flash 9) SWF muxer
223 - QT variant of IMA ADPCM encoder
225 - iPod/iPhone compatible mp4 muxer
227 - MSN TCP Webcam stream demuxer
228 - RL2 demuxer / decoder
231 - non-recursive Makefiles
233 - MAXIS EA XA (.xa) demuxer / decoder
237 - Electronic Arts CMV decoder
238 - Motion Pixels Video decoder
239 - Motion Pixels MVI demuxer
240 - removed animated GIF decoder/demuxer
241 - D-Cinema audio muxer
242 - Electronic Arts TGV decoder
243 - Apple Lossless Audio Codec (ALAC) encoder
245 - floating point PCM encoder/decoder
247 - DV100 AKA DVCPRO HD decoder and demuxer
248 - E-AC-3 support added to AC-3 decoder
249 - Nellymoser ASAO encoder
250 - ASS and SSA demuxer and muxer
251 - liba52 wrapper removed
252 - SVQ3 watermark decoding support
253 - Speex decoding via libspeex
254 - Electronic Arts TGQ decoder
256 - QCELP / PureVoice decoder
258 - hybrid WavPack support
259 - R3D REDCODE demuxer
260 - ALSA support for playback and record
261 - Electronic Arts TQI decoder
262 - OpenJPEG based JPEG 2000 decoder
263 - NC (NC4600) camera file demuxer
264 - Gopher client support
266 - generic metadata API
272 - DV encoder, DV muxer
273 - Microsoft RLE video decoder
274 - Microsoft Video-1 decoder
275 - Apple Animation (RLE) decoder
276 - Apple Graphics (SMC) decoder
277 - Apple Video (RPZA) decoder
279 - Sega FILM (CPK) file demuxer
280 - Westwood multimedia support (VQA & AUD files)
281 - Id Quake II CIN playback support
283 - FLIC playback support
284 - RealVideo 2.0 (RV20) decoder
285 - Duck TrueMotion v1 (DUCK) video decoder
286 - Sierra VMD demuxer and video decoder
287 - MSZH and ZLIB decoder support
291 - rate distortion optimal cbp support
292 - rate distorted optimal ac prediction for MPEG-4
293 - rate distorted optimal lambda->qp support
294 - AAC encoding with libfaac
295 - Sunplus JPEG codec (SP5X) support
296 - use Lagrange multipler instead of QP for ratecontrol
297 - Theora/VP3 decoding support
298 - XA and ADX ADPCM codecs
299 - export MPEG-2 active display area / pan scan
300 - Add support for configuring with IBM XLC
301 - floating point AAN DCT
302 - initial support for zygo video (not complete)
304 - new audio/video parser API
306 - av_read_frame() and av_seek_frame() support
307 - missing last frame fixes
308 - seek by mouse in ffplay
309 - noise reduction of DCT coefficients
310 - H.263 OBMC & 4MV support
311 - H.263 alternative inter vlc support
313 - H.263 slice structured mode
314 - interlaced DCT support for MPEG-2 encoding
315 - stuffing to stay above min_bitrate
316 - MB type & QP visualization
317 - frame stepping for ffplay
318 - interlaced motion estimation
319 - alternate scantable support
320 - SVCD scan offset support
323 - quantizer noise shaping
324 - G.726 ADPCM audio codec
326 - multithreaded/SMP motion estimation
327 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
328 - multithreaded/SMP decoding for MPEG-2
330 - Metrowerks CodeWarrior suppport
331 - H.263+ custom pcf support
332 - nicer output for 'ffmpeg -formats'
334 - SGI image format, encoding and decoding
335 - H.264 loop filter support
336 - H.264 CABAC support
337 - nicer looking arrows for the motion vector visualization
338 - improved VCD support
339 - audio timestamp drift compensation
340 - MPEG-2 YUV 422/444 support
341 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
342 - better image scaling
344 - correctly interleave packets during encoding
345 - VIS optimized motion compensation
346 - intra_dc_precision>0 encoding support
347 - support reuse of motion vectors/MB types/field select values of the source video
348 - more accurate deblock filter
350 - many optimizations and bugfixes
351 - FunCom ISS audio file demuxer and according ADPCM decoding
357 - MPEG-2 video encoding (Michael)
358 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
359 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
361 - Xan DPCM audio decoder (Mario Brito)
362 - Interplay MVE playback subsystem (Mike Melanson)
363 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
369 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
370 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
371 - current version now also compiles with older GCC (Fabrice)
372 - 4X multimedia playback system including 4xm file demuxer (Mike
373 Melanson), and 4X video and audio codecs (Michael)
374 - Creative YUV (CYUV) decoder (Mike Melanson)
375 - FFV1 codec (our very simple lossless intra only codec, compresses much better
376 than HuffYUV) (Michael)
377 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
378 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
379 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
380 - ffplay has been replaced with a newer version which uses SDL (optionally)
381 for multiplatform support (Fabrice)
382 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
384 - AMR format has been added (Johannes Carlsson)
385 - 3GP support has been added (Johannes Carlsson)
386 - VP3 codec has been added (Mike Melanson)
387 - more MPEG-1/2 fixes
388 - better multiplatform support, MS Visual Studio fixes (various)
389 - AltiVec optimizations (Magnus Damn and others)
390 - SH4 processor support has been added (BERO)
391 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
392 - VOB streaming support (Brian Foley)
393 - better MP3 autodetection (Andriy Rysin)
394 - qpel encoding (Michael)
395 - 4mv+b frames encoding finally fixed (Michael)
396 - chroma ME (Michael)
397 - 5 comparison functions for ME (Michael)
398 - B-frame encoding speedup (Michael)
399 - WMV2 codec (unfinished - Michael)
400 - user specified diamond size for EPZS (Michael)
401 - Playstation STR playback subsystem, still experimental (Mike and Michael)
402 - ASV2 codec (Michael)
403 - CLJR decoder (Alex)
405 .. And lots more new enhancements and fixes.
411 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
413 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
414 - fix quantization bug in AC3 encoder
415 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
416 - added prototype ffplay program
417 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
418 - bug fix on MCBPC tables of H.263 (Juanjo)
419 - bug fix on DC coefficients of H.263 (Juanjo)
420 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
421 - now we can decode H.263 streams found in QuickTime files (Juanjo)
422 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
423 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
424 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
425 - now H.263 picture size is returned on the first decoded frame (Juanjo)
426 - added first regression tests
427 - added MPEG-2 TS demuxer
428 - new demux API for libav
429 - more accurate and faster IDCT (Michael)
430 - faster and entropy-controlled motion search (Michael)
431 - two pass video encoding (Michael)
432 - new video rate control (Michael)
433 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
434 - great performance improvement of video encoders and decoders (Michael)
435 - new and faster bit readers and vlc parsers (Michael)
436 - high quality encoding mode: tries all macroblock/VLC types (Michael)
437 - added DV video decoder
438 - preliminary RTP/RTSP support in ffserver and libavformat
439 - H.263+ AIC decoding/encoding support (Juanjo)
440 - VCD MPEG-PS mode (Juanjo)
441 - PSNR stuff (Juanjo)
442 - simple stats output (Juanjo)
443 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
449 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
450 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
451 - added configure system (actually a small shell script)
452 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
453 Michael Hipp (temporary solution - waiting for integer only
455 - fixed VIDIOCSYNC interrupt
456 - added Intel H.263 decoding support ('I263' AVI fourCC)
457 - added Real Video 1.0 decoding (needs further testing)
458 - simplified image formats again. Added PGM format (=grey
459 pgm). Renamed old PGM to PGMYUV.
460 - fixed msmpeg4 slice issues (tell me if you still find problems)
461 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
462 - added support for MPlayer interface
463 - added macroblock skip optimization
464 - added MJPEG decoder
465 - added mmx/mmxext IDCT from libmpeg2
466 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
467 <celer at shell.scrypt.net>)
468 - added pixel format conversion layer (e.g. for MJPEG or PPM)
469 - added deinterlacing option
471 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
472 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
473 - Windows porting of file converter
474 - added MJPEG raw format (input/ouput)
475 - added JPEG image format support (input/output)
481 - fixed some std header definitions (Bjorn Lindgren
482 <bjorn.e.lindgren at telia.com>).
483 - added MPEG demuxer (MPEG-1 and 2 compatible).
485 - added prototype RM demuxer
486 - added AC3 decoding (done with libac3 by Aaron Holtzman)
487 - added decoding codec parameter guessing (.e.g. for MPEG, because the
488 header does not include them)
489 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
490 play them (only tested video)
491 - fixed H.263 white bug
492 - fixed phase rounding in img resample filter
493 - add MMX code for polyphase img resample filter
494 - added CPU autodetection
495 - added generic title/author/copyright/comment string handling (ASF and RM
497 - added SWF demux to extract MP3 track (not usable yet because no MP3
499 - added fractional frame rate support
500 - codecs are no longer searched by read_header() (should fix ffserver
507 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
508 - fixed raw yuv output
509 - added motion rounding support in MPEG-4
510 - fixed motion bug rounding in MSMPEG4
511 - added B-frame handling in video core
512 - added full MPEG-1 decoding support
513 - added partial (frame only) MPEG-2 support
514 - changed the FOURCC code for H.263 to "U263" to be able to see the
515 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
516 this +codec ;) (JuanJo).
517 - Halfpel motion estimation after MB type selection (JuanJo)
518 - added pgm and .Y.U.V output format
519 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
521 - added pgmpipe I/O format (original patch from Martin Aumueller
522 <lists at reserv.at>, but changed completely since we use a format
523 instead of a protocol)
529 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
530 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
531 missing. MSMPEG4 support is complete.
532 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
533 can decode ffmpeg MPEGs :-)).
534 - added libavcodec API documentation (see apiexample.c).
535 - fixed image polyphase bug (the bottom of some images could be
537 - added support for non clipped motion vectors (decoding only)
538 and image sizes non-multiple of 16
539 - added support for AC prediction (decoding only)
540 - added file overwrite confirmation (can be disabled with -y)
541 - added custom size picture to H.263 using H.263+ (Juanjo)
546 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
547 of AVI and ASF to DIV3.
548 - added -me option to set motion estimation method
549 (default=log). suppressed redundant -hq option.
550 - added options -acodec and -vcodec to force a given codec (useful for
553 - improved dct_quantize speed
554 - factorized some motion estimation code
560 - removing grab code from ffserver and moved it to ffmpeg. Added
561 multistream support to ffmpeg.
562 - added timeshifting support for live feeds (option ?date=xxx in the
564 - added high quality image resize code with polyphase filter (need
565 mmx/see optimization). Enable multiple image size support in ffserver.
566 - added multi live feed support in ffserver
567 - suppressed master feature from ffserver (it should be done with an
568 external program which opens the .ffm url and writes it to another
570 - added preliminary support for video stream parsing (WAV and AVI half
571 done). Added proper support for audio/video file conversion in
573 - added preliminary support for video file sending from ffserver
574 - redesigning I/O subsystem: now using URL based input and output
576 - added WAV format support
577 - added "tty user interface" to ffmpeg to stop grabbing gracefully
578 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
579 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
580 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
581 - added new motion estimation algorithms, log and phods (Juanjo)
582 - changed directories: libav for format handling, libavcodec for
589 - added stereo in MPEG audio encoder
595 - added 'high quality' mode which use motion vectors. It can be used in
596 real time at low resolution.
597 - fixed rounding problems which caused quality problems at high
598 bitrates and large GOP size
602 version 0.3.2: small fixes
609 version 0.3.1: added avi/divx support
612 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
613 - added sound for flash format (not tested)
617 version 0.3: initial public release