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
25 - PB-frame decoding for H.263
26 - deprecated vhook subsystem removed
27 - deprecated old scaler removed
29 - Alpha channel scaler
31 - RTP packetization of H.263
32 - RTP packetization of AMR
33 - RTP depacketization of Vorbis
34 - CorePNG decoding support
35 - Cook multichannel decoding support
36 - introduced avlanguage helpers in libavformat
37 - 8088flex TMV demuxer and decoder
38 - per-stream language-tags extraction in asfdec
39 - V210 decoder and encoder
40 - remaining GPL parts in AC-3 decoder converted to LGPL
42 - SoX native format muxer and demuxer
43 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
45 - Electronic Arts Madcow decoder
46 - DivX (XSUB) subtitle encoder
47 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
48 - experimental AAC encoder
49 - RTP depacketization of ASF and RTSP from WMS servers
50 - RTMP support in libavformat
51 - noX handling for OPT_BOOL X options
53 - IEC-61937 compatible Muxer
55 - Bluray (PGS) subtitle decoder
56 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
58 - Core Audio Format demuxer
60 - MD STUDIO audio demuxer
61 - RF64 support in WAV demuxer
62 - MPEG-4 Audio Lossless Coding (ALS) decoder
63 - -formats option split into -formats, -codecs, -bsfs, and -protocols
65 - CDG demuxer and decoder
67 - Auravision Aura 1 and 2 decoders
68 - Deluxe Paint Animation playback system
70 - Adobe Filmstrip muxer and demuxer
71 - RTP depacketization of H.263
72 - Bink demuxer and audio/video decoders
73 - enable symbol versioning by default for linkers that support it
74 - IFF PBM/ILBM bitmap decoder
77 - RTP depacketization of AMR
83 - Kega Game Video (KGV1) decoder
84 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
85 - RTP depacketization of Theora
86 - HTTP Digest authentication
87 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
88 - Psygnosis YOP demuxer and video decoder
89 - spectral extension support in the E-AC-3 decoder
90 - unsharp video filter
91 - RTP hinting in the mov/3gp/mp4 muxer
92 - Dirac in Ogg demuxing
93 - seek to keyframes in Ogg
94 - 4:2:2 and 4:4:4 Theora decoding
95 - 35% faster VP3/Theora decoding
97 - faster H.264 decoding
98 - RealAudio 1.0 (14.4K) encoder
104 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
105 - TechSmith Camtasia (TSCC) video decoder
106 - IBM Ultimotion (ULTI) video decoder
107 - Sierra Online audio file demuxer and decoder
108 - Apple QuickDraw (qdrw) video decoder
109 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
110 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
111 - Miro VideoXL (VIXL) video decoder
112 - H.261 video encoder
114 - Nullsoft Video (NSV) file demuxer
115 - Shorten audio decoder
117 - Apple Lossless Audio Codec (ALAC) decoder
118 - Winnov WNV1 video decoder
119 - Autodesk Animator Studio Codec (AASC) decoder
120 - Indeo 2 video decoder
121 - Fraps FPS1 video decoder
122 - Snow video encoder/decoder
123 - Sonic audio encoder/decoder
124 - Vorbis audio decoder
125 - Macromedia ADPCM decoder
126 - Duck TrueMotion 2 video decoder
127 - support for decoding FLX and DTA extensions in FLIC files
128 - H.264 custom quantization matrices support
129 - ffserver fixed, it should now be usable again
131 - Real Cooker audio decoder
132 - TrueSpeech audio decoder
133 - WMA2 audio decoder fixed, now all files should play correctly
134 - RealAudio 14.4 and 28.8 decoders fixed
136 - build system improvements
137 - tabs and trailing whitespace removed from the codebase
138 - CamStudio video decoder
139 - AIFF/AIFF-C audio format, encoding and decoding
140 - ADTS AAC file reading and writing
141 - Creative VOC file reading and writing
142 - American Laser Games multimedia (*.mm) playback system
143 - Zip Motion Blocks Video decoder
144 - improved Theora/VP3 decoder
145 - True Audio (TTA) decoder
146 - AVS demuxer and video decoder
148 - Smacker demuxer and decoder
149 - NuppelVideo/MythTV demuxer and RTjpeg decoder
151 - MPEG-2 intra VLC support
152 - MPEG-2 4:2:2 encoder
153 - Flash Screen Video decoder
155 - Chinese AVS decoder
158 - VC-1/WMV3/WMV9 video decoder
161 - VMware video decoder
164 - WavPack lossless audio decoder
165 - Targa (.TGA) picture decoder
166 - Vorbis audio encoder
167 - Delphine Software .cin demuxer/audio and video decoder
168 - Tiertex .seq demuxer/video decoder
170 - TIFF picture encoder and decoder
171 - GIF picture decoder
172 - Intel Music Coder decoder
173 - Zip Motion Blocks Video encoder
175 - Flash Screen Video encoder
176 - Theora encoding via libtheora
179 - GSM-MS encoder and decoder
181 - DXA demuxer and decoder
183 - Gamecube movie (.THP) playback system
184 - Blackfin optimizations
185 - Interplay C93 demuxer and video decoder
186 - Bethsoft VID demuxer and video decoder
189 - V.Flash PTX decoder
190 - RoQ muxer, RoQ audio encoder
191 - Renderware TXD demuxer and decoder
192 - extern C declarations for C++ removed from headers
193 - sws_flags command line option
197 - OS/2 support removed and restored again
200 - additional SPARC (VIS) optimizations
202 - slice-based parallel H.264 decoding
203 - Monkey's Audio demuxer and decoder
204 - AMV audio and video decoder
206 - H.264 PAFF decoding
207 - Nellymoser ASAO decoder
208 - Beam Software SIFF demuxer and decoder
209 - libvorbis Vorbis decoding removed in favor of native decoder
210 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
211 - Ogg (Theora, Vorbis and FLAC) muxer
212 - The "device" muxers and demuxers are now in a new libavdevice library
213 - PC Paintbrush PCX decoder
214 - Sun Rasterfile decoder
215 - TechnoTrend PVA demuxer
216 - Linux Media Labs MPEG-4 (LMLM4) demuxer
217 - AVM2 (Flash 9) SWF muxer
218 - QT variant of IMA ADPCM encoder
220 - iPod/iPhone compatible mp4 muxer
222 - MSN TCP Webcam stream demuxer
223 - RL2 demuxer / decoder
226 - non-recursive Makefiles
228 - MAXIS EA XA (.xa) demuxer / decoder
232 - Electronic Arts CMV decoder
233 - Motion Pixels Video decoder
234 - Motion Pixels MVI demuxer
235 - removed animated GIF decoder/demuxer
236 - D-Cinema audio muxer
237 - Electronic Arts TGV decoder
238 - Apple Lossless Audio Codec (ALAC) encoder
240 - floating point PCM encoder/decoder
242 - DV100 AKA DVCPRO HD decoder and demuxer
243 - E-AC-3 support added to AC-3 decoder
244 - Nellymoser ASAO encoder
245 - ASS and SSA demuxer and muxer
246 - liba52 wrapper removed
247 - SVQ3 watermark decoding support
248 - Speex decoding via libspeex
249 - Electronic Arts TGQ decoder
251 - QCELP / PureVoice decoder
253 - hybrid WavPack support
254 - R3D REDCODE demuxer
255 - ALSA support for playback and record
256 - Electronic Arts TQI decoder
257 - OpenJPEG based JPEG 2000 decoder
258 - NC (NC4600) camera file demuxer
259 - Gopher client support
261 - generic metadata API
267 - DV encoder, DV muxer
268 - Microsoft RLE video decoder
269 - Microsoft Video-1 decoder
270 - Apple Animation (RLE) decoder
271 - Apple Graphics (SMC) decoder
272 - Apple Video (RPZA) decoder
274 - Sega FILM (CPK) file demuxer
275 - Westwood multimedia support (VQA & AUD files)
276 - Id Quake II CIN playback support
278 - FLIC playback support
279 - RealVideo 2.0 (RV20) decoder
280 - Duck TrueMotion v1 (DUCK) video decoder
281 - Sierra VMD demuxer and video decoder
282 - MSZH and ZLIB decoder support
286 - rate distortion optimal cbp support
287 - rate distorted optimal ac prediction for MPEG-4
288 - rate distorted optimal lambda->qp support
289 - AAC encoding with libfaac
290 - Sunplus JPEG codec (SP5X) support
291 - use Lagrange multipler instead of QP for ratecontrol
292 - Theora/VP3 decoding support
293 - XA and ADX ADPCM codecs
294 - export MPEG-2 active display area / pan scan
295 - Add support for configuring with IBM XLC
296 - floating point AAN DCT
297 - initial support for zygo video (not complete)
299 - new audio/video parser API
301 - av_read_frame() and av_seek_frame() support
302 - missing last frame fixes
303 - seek by mouse in ffplay
304 - noise reduction of DCT coefficients
305 - H.263 OBMC & 4MV support
306 - H.263 alternative inter vlc support
308 - H.263 slice structured mode
309 - interlaced DCT support for MPEG-2 encoding
310 - stuffing to stay above min_bitrate
311 - MB type & QP visualization
312 - frame stepping for ffplay
313 - interlaced motion estimation
314 - alternate scantable support
315 - SVCD scan offset support
318 - quantizer noise shaping
319 - G.726 ADPCM audio codec
321 - multithreaded/SMP motion estimation
322 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
323 - multithreaded/SMP decoding for MPEG-2
325 - Metrowerks CodeWarrior suppport
326 - H.263+ custom pcf support
327 - nicer output for 'ffmpeg -formats'
329 - SGI image format, encoding and decoding
330 - H.264 loop filter support
331 - H.264 CABAC support
332 - nicer looking arrows for the motion vector visualization
333 - improved VCD support
334 - audio timestamp drift compensation
335 - MPEG-2 YUV 422/444 support
336 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
337 - better image scaling
339 - correctly interleave packets during encoding
340 - VIS optimized motion compensation
341 - intra_dc_precision>0 encoding support
342 - support reuse of motion vectors/MB types/field select values of the source video
343 - more accurate deblock filter
345 - many optimizations and bugfixes
346 - FunCom ISS audio file demuxer and according ADPCM decoding
352 - MPEG-2 video encoding (Michael)
353 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
354 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
356 - Xan DPCM audio decoder (Mario Brito)
357 - Interplay MVE playback subsystem (Mike Melanson)
358 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
364 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
365 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
366 - current version now also compiles with older GCC (Fabrice)
367 - 4X multimedia playback system including 4xm file demuxer (Mike
368 Melanson), and 4X video and audio codecs (Michael)
369 - Creative YUV (CYUV) decoder (Mike Melanson)
370 - FFV1 codec (our very simple lossless intra only codec, compresses much better
371 than HuffYUV) (Michael)
372 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
373 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
374 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
375 - ffplay has been replaced with a newer version which uses SDL (optionally)
376 for multiplatform support (Fabrice)
377 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
379 - AMR format has been added (Johannes Carlsson)
380 - 3GP support has been added (Johannes Carlsson)
381 - VP3 codec has been added (Mike Melanson)
382 - more MPEG-1/2 fixes
383 - better multiplatform support, MS Visual Studio fixes (various)
384 - AltiVec optimizations (Magnus Damn and others)
385 - SH4 processor support has been added (BERO)
386 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
387 - VOB streaming support (Brian Foley)
388 - better MP3 autodetection (Andriy Rysin)
389 - qpel encoding (Michael)
390 - 4mv+b frames encoding finally fixed (Michael)
391 - chroma ME (Michael)
392 - 5 comparison functions for ME (Michael)
393 - B-frame encoding speedup (Michael)
394 - WMV2 codec (unfinished - Michael)
395 - user specified diamond size for EPZS (Michael)
396 - Playstation STR playback subsystem, still experimental (Mike and Michael)
397 - ASV2 codec (Michael)
398 - CLJR decoder (Alex)
400 .. And lots more new enhancements and fixes.
406 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
408 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
409 - fix quantization bug in AC3 encoder
410 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
411 - added prototype ffplay program
412 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
413 - bug fix on MCBPC tables of H.263 (Juanjo)
414 - bug fix on DC coefficients of H.263 (Juanjo)
415 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
416 - now we can decode H.263 streams found in QuickTime files (Juanjo)
417 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
418 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
419 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
420 - now H.263 picture size is returned on the first decoded frame (Juanjo)
421 - added first regression tests
422 - added MPEG-2 TS demuxer
423 - new demux API for libav
424 - more accurate and faster IDCT (Michael)
425 - faster and entropy-controlled motion search (Michael)
426 - two pass video encoding (Michael)
427 - new video rate control (Michael)
428 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
429 - great performance improvement of video encoders and decoders (Michael)
430 - new and faster bit readers and vlc parsers (Michael)
431 - high quality encoding mode: tries all macroblock/VLC types (Michael)
432 - added DV video decoder
433 - preliminary RTP/RTSP support in ffserver and libavformat
434 - H.263+ AIC decoding/encoding support (Juanjo)
435 - VCD MPEG-PS mode (Juanjo)
436 - PSNR stuff (Juanjo)
437 - simple stats output (Juanjo)
438 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
444 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
445 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
446 - added configure system (actually a small shell script)
447 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
448 Michael Hipp (temporary solution - waiting for integer only
450 - fixed VIDIOCSYNC interrupt
451 - added Intel H.263 decoding support ('I263' AVI fourCC)
452 - added Real Video 1.0 decoding (needs further testing)
453 - simplified image formats again. Added PGM format (=grey
454 pgm). Renamed old PGM to PGMYUV.
455 - fixed msmpeg4 slice issues (tell me if you still find problems)
456 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
457 - added support for MPlayer interface
458 - added macroblock skip optimization
459 - added MJPEG decoder
460 - added mmx/mmxext IDCT from libmpeg2
461 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
462 <celer at shell.scrypt.net>)
463 - added pixel format conversion layer (e.g. for MJPEG or PPM)
464 - added deinterlacing option
466 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
467 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
468 - Windows porting of file converter
469 - added MJPEG raw format (input/ouput)
470 - added JPEG image format support (input/output)
476 - fixed some std header definitions (Bjorn Lindgren
477 <bjorn.e.lindgren at telia.com>).
478 - added MPEG demuxer (MPEG-1 and 2 compatible).
480 - added prototype RM demuxer
481 - added AC3 decoding (done with libac3 by Aaron Holtzman)
482 - added decoding codec parameter guessing (.e.g. for MPEG, because the
483 header does not include them)
484 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
485 play them (only tested video)
486 - fixed H.263 white bug
487 - fixed phase rounding in img resample filter
488 - add MMX code for polyphase img resample filter
489 - added CPU autodetection
490 - added generic title/author/copyright/comment string handling (ASF and RM
492 - added SWF demux to extract MP3 track (not usable yet because no MP3
494 - added fractional frame rate support
495 - codecs are no longer searched by read_header() (should fix ffserver
502 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
503 - fixed raw yuv output
504 - added motion rounding support in MPEG-4
505 - fixed motion bug rounding in MSMPEG4
506 - added B-frame handling in video core
507 - added full MPEG-1 decoding support
508 - added partial (frame only) MPEG-2 support
509 - changed the FOURCC code for H.263 to "U263" to be able to see the
510 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
511 this +codec ;) (JuanJo).
512 - Halfpel motion estimation after MB type selection (JuanJo)
513 - added pgm and .Y.U.V output format
514 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
516 - added pgmpipe I/O format (original patch from Martin Aumueller
517 <lists at reserv.at>, but changed completely since we use a format
518 instead of a protocol)
524 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
525 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
526 missing. MSMPEG4 support is complete.
527 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
528 can decode ffmpeg MPEGs :-)).
529 - added libavcodec API documentation (see apiexample.c).
530 - fixed image polyphase bug (the bottom of some images could be
532 - added support for non clipped motion vectors (decoding only)
533 and image sizes non-multiple of 16
534 - added support for AC prediction (decoding only)
535 - added file overwrite confirmation (can be disabled with -y)
536 - added custom size picture to H.263 using H.263+ (Juanjo)
541 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
542 of AVI and ASF to DIV3.
543 - added -me option to set motion estimation method
544 (default=log). suppressed redundant -hq option.
545 - added options -acodec and -vcodec to force a given codec (useful for
548 - improved dct_quantize speed
549 - factorized some motion estimation code
555 - removing grab code from ffserver and moved it to ffmpeg. Added
556 multistream support to ffmpeg.
557 - added timeshifting support for live feeds (option ?date=xxx in the
559 - added high quality image resize code with polyphase filter (need
560 mmx/see optimization). Enable multiple image size support in ffserver.
561 - added multi live feed support in ffserver
562 - suppressed master feature from ffserver (it should be done with an
563 external program which opens the .ffm url and writes it to another
565 - added preliminary support for video stream parsing (WAV and AVI half
566 done). Added proper support for audio/video file conversion in
568 - added preliminary support for video file sending from ffserver
569 - redesigning I/O subsystem: now using URL based input and output
571 - added WAV format support
572 - added "tty user interface" to ffmpeg to stop grabbing gracefully
573 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
574 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
575 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
576 - added new motion estimation algorithms, log and phods (Juanjo)
577 - changed directories: libav for format handling, libavcodec for
584 - added stereo in MPEG audio encoder
590 - added 'high quality' mode which use motion vectors. It can be used in
591 real time at low resolution.
592 - fixed rounding problems which caused quality problems at high
593 bitrates and large GOP size
597 version 0.3.2: small fixes
604 version 0.3.1: added avi/divx support
607 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
608 - added sound for flash format (not tested)
612 version 0.3: initial public release