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 - Demuxer for On2's IVF format
12 - Pictor/PC Paint decoder
14 - libfaad2 wrapper removed
15 - DTS-ES extension (XCh) decoding support
17 - RTSP tunneling over HTTP
18 - RTP depacketization of SVQ3
19 - -strict inofficial replaced by -strict unofficial
20 - ffplay -exitonkeydown and -exitonmousedown options added
21 - native GSM / GSM MS decoder
22 - RTP depacketization of QDM2
23 - ANSI/ASCII art playback system
24 - Lego Mindstorms RSO de/muxer
26 - SubRip subtitle file muxer and demuxer
27 - Chinese AVS encoding via libxavs
28 - ffprobe -show_packets option added
29 - RTP packetization of Theora and Vorbis
30 - RTP depacketization of MP4A-LATM
31 - RTP packetization and depacketization of VP8
33 - Apple HTTP Live Streaming demuxer
36 - G.722 ADPCM audio encoder/decoder
39 - frei0r wrapper filter
40 - change crop filter syntax to width:height:x:y
41 - make the crop filter accept parametric expressions
42 - make ffprobe accept AVFormatContext options
49 - PB-frame decoding for H.263
50 - deprecated vhook subsystem removed
51 - deprecated old scaler removed
53 - Alpha channel scaler
55 - RTP packetization of H.263
56 - RTP packetization of AMR
57 - RTP depacketization of Vorbis
58 - CorePNG decoding support
59 - Cook multichannel decoding support
60 - introduced avlanguage helpers in libavformat
61 - 8088flex TMV demuxer and decoder
62 - per-stream language-tags extraction in asfdec
63 - V210 decoder and encoder
64 - remaining GPL parts in AC-3 decoder converted to LGPL
66 - SoX native format muxer and demuxer
67 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
69 - Electronic Arts Madcow decoder
70 - DivX (XSUB) subtitle encoder
71 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
72 - experimental AAC encoder
73 - RTP depacketization of ASF and RTSP from WMS servers
74 - RTMP support in libavformat
75 - noX handling for OPT_BOOL X options
77 - IEC-61937 compatible Muxer
79 - Bluray (PGS) subtitle decoder
80 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
82 - Core Audio Format demuxer
84 - MD STUDIO audio demuxer
85 - RF64 support in WAV demuxer
86 - MPEG-4 Audio Lossless Coding (ALS) decoder
87 - -formats option split into -formats, -codecs, -bsfs, and -protocols
89 - CDG demuxer and decoder
91 - Auravision Aura 1 and 2 decoders
92 - Deluxe Paint Animation playback system
94 - Adobe Filmstrip muxer and demuxer
95 - RTP depacketization of H.263
96 - Bink demuxer and audio/video decoders
97 - enable symbol versioning by default for linkers that support it
98 - IFF PBM/ILBM bitmap decoder
101 - RTP depacketization of AMR
107 - Kega Game Video (KGV1) decoder
108 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
109 - RTP depacketization of Theora
110 - HTTP Digest authentication
111 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
112 - Psygnosis YOP demuxer and video decoder
113 - spectral extension support in the E-AC-3 decoder
114 - unsharp video filter
115 - RTP hinting in the mov/3gp/mp4 muxer
116 - Dirac in Ogg demuxing
117 - seek to keyframes in Ogg
118 - 4:2:2 and 4:4:4 Theora decoding
119 - 35% faster VP3/Theora decoding
120 - faster AAC decoding
121 - faster H.264 decoding
122 - RealAudio 1.0 (14.4K) encoder
127 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
128 - TechSmith Camtasia (TSCC) video decoder
129 - IBM Ultimotion (ULTI) video decoder
130 - Sierra Online audio file demuxer and decoder
131 - Apple QuickDraw (qdrw) video decoder
132 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
133 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
134 - Miro VideoXL (VIXL) video decoder
135 - H.261 video encoder
137 - Nullsoft Video (NSV) file demuxer
138 - Shorten audio decoder
140 - Apple Lossless Audio Codec (ALAC) decoder
141 - Winnov WNV1 video decoder
142 - Autodesk Animator Studio Codec (AASC) decoder
143 - Indeo 2 video decoder
144 - Fraps FPS1 video decoder
145 - Snow video encoder/decoder
146 - Sonic audio encoder/decoder
147 - Vorbis audio decoder
148 - Macromedia ADPCM decoder
149 - Duck TrueMotion 2 video decoder
150 - support for decoding FLX and DTA extensions in FLIC files
151 - H.264 custom quantization matrices support
152 - ffserver fixed, it should now be usable again
154 - Real Cooker audio decoder
155 - TrueSpeech audio decoder
156 - WMA2 audio decoder fixed, now all files should play correctly
157 - RealAudio 14.4 and 28.8 decoders fixed
159 - build system improvements
160 - tabs and trailing whitespace removed from the codebase
161 - CamStudio video decoder
162 - AIFF/AIFF-C audio format, encoding and decoding
163 - ADTS AAC file reading and writing
164 - Creative VOC file reading and writing
165 - American Laser Games multimedia (*.mm) playback system
166 - Zip Motion Blocks Video decoder
167 - improved Theora/VP3 decoder
168 - True Audio (TTA) decoder
169 - AVS demuxer and video decoder
171 - Smacker demuxer and decoder
172 - NuppelVideo/MythTV demuxer and RTjpeg decoder
174 - MPEG-2 intra VLC support
175 - MPEG-2 4:2:2 encoder
176 - Flash Screen Video decoder
178 - Chinese AVS decoder
181 - VC-1/WMV3/WMV9 video decoder
184 - VMware video decoder
187 - WavPack lossless audio decoder
188 - Targa (.TGA) picture decoder
189 - Vorbis audio encoder
190 - Delphine Software .cin demuxer/audio and video decoder
191 - Tiertex .seq demuxer/video decoder
193 - TIFF picture encoder and decoder
194 - GIF picture decoder
195 - Intel Music Coder decoder
196 - Zip Motion Blocks Video encoder
198 - Flash Screen Video encoder
199 - Theora encoding via libtheora
202 - GSM-MS encoder and decoder
204 - DXA demuxer and decoder
206 - Gamecube movie (.THP) playback system
207 - Blackfin optimizations
208 - Interplay C93 demuxer and video decoder
209 - Bethsoft VID demuxer and video decoder
212 - V.Flash PTX decoder
213 - RoQ muxer, RoQ audio encoder
214 - Renderware TXD demuxer and decoder
215 - extern C declarations for C++ removed from headers
216 - sws_flags command line option
220 - OS/2 support removed and restored again
223 - additional SPARC (VIS) optimizations
225 - slice-based parallel H.264 decoding
226 - Monkey's Audio demuxer and decoder
227 - AMV audio and video decoder
229 - H.264 PAFF decoding
230 - Nellymoser ASAO decoder
231 - Beam Software SIFF demuxer and decoder
232 - libvorbis Vorbis decoding removed in favor of native decoder
233 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
234 - Ogg (Theora, Vorbis and FLAC) muxer
235 - The "device" muxers and demuxers are now in a new libavdevice library
236 - PC Paintbrush PCX decoder
237 - Sun Rasterfile decoder
238 - TechnoTrend PVA demuxer
239 - Linux Media Labs MPEG-4 (LMLM4) demuxer
240 - AVM2 (Flash 9) SWF muxer
241 - QT variant of IMA ADPCM encoder
243 - iPod/iPhone compatible mp4 muxer
245 - MSN TCP Webcam stream demuxer
246 - RL2 demuxer / decoder
249 - non-recursive Makefiles
251 - MAXIS EA XA (.xa) demuxer / decoder
255 - Electronic Arts CMV decoder
256 - Motion Pixels Video decoder
257 - Motion Pixels MVI demuxer
258 - removed animated GIF decoder/demuxer
259 - D-Cinema audio muxer
260 - Electronic Arts TGV decoder
261 - Apple Lossless Audio Codec (ALAC) encoder
263 - floating point PCM encoder/decoder
265 - DV100 AKA DVCPRO HD decoder and demuxer
266 - E-AC-3 support added to AC-3 decoder
267 - Nellymoser ASAO encoder
268 - ASS and SSA demuxer and muxer
269 - liba52 wrapper removed
270 - SVQ3 watermark decoding support
271 - Speex decoding via libspeex
272 - Electronic Arts TGQ decoder
274 - QCELP / PureVoice decoder
276 - hybrid WavPack support
277 - R3D REDCODE demuxer
278 - ALSA support for playback and record
279 - Electronic Arts TQI decoder
280 - OpenJPEG based JPEG 2000 decoder
281 - NC (NC4600) camera file demuxer
282 - Gopher client support
284 - generic metadata API
289 - DV encoder, DV muxer
290 - Microsoft RLE video decoder
291 - Microsoft Video-1 decoder
292 - Apple Animation (RLE) decoder
293 - Apple Graphics (SMC) decoder
294 - Apple Video (RPZA) decoder
296 - Sega FILM (CPK) file demuxer
297 - Westwood multimedia support (VQA & AUD files)
298 - Id Quake II CIN playback support
300 - FLIC playback support
301 - RealVideo 2.0 (RV20) decoder
302 - Duck TrueMotion v1 (DUCK) video decoder
303 - Sierra VMD demuxer and video decoder
304 - MSZH and ZLIB decoder support
308 - rate distortion optimal cbp support
309 - rate distorted optimal ac prediction for MPEG-4
310 - rate distorted optimal lambda->qp support
311 - AAC encoding with libfaac
312 - Sunplus JPEG codec (SP5X) support
313 - use Lagrange multipler instead of QP for ratecontrol
314 - Theora/VP3 decoding support
315 - XA and ADX ADPCM codecs
316 - export MPEG-2 active display area / pan scan
317 - Add support for configuring with IBM XLC
318 - floating point AAN DCT
319 - initial support for zygo video (not complete)
321 - new audio/video parser API
323 - av_read_frame() and av_seek_frame() support
324 - missing last frame fixes
325 - seek by mouse in ffplay
326 - noise reduction of DCT coefficients
327 - H.263 OBMC & 4MV support
328 - H.263 alternative inter vlc support
330 - H.263 slice structured mode
331 - interlaced DCT support for MPEG-2 encoding
332 - stuffing to stay above min_bitrate
333 - MB type & QP visualization
334 - frame stepping for ffplay
335 - interlaced motion estimation
336 - alternate scantable support
337 - SVCD scan offset support
340 - quantizer noise shaping
341 - G.726 ADPCM audio codec
343 - multithreaded/SMP motion estimation
344 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
345 - multithreaded/SMP decoding for MPEG-2
347 - Metrowerks CodeWarrior suppport
348 - H.263+ custom pcf support
349 - nicer output for 'ffmpeg -formats'
351 - SGI image format, encoding and decoding
352 - H.264 loop filter support
353 - H.264 CABAC support
354 - nicer looking arrows for the motion vector visualization
355 - improved VCD support
356 - audio timestamp drift compensation
357 - MPEG-2 YUV 422/444 support
358 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
359 - better image scaling
361 - correctly interleave packets during encoding
362 - VIS optimized motion compensation
363 - intra_dc_precision>0 encoding support
364 - support reuse of motion vectors/MB types/field select values of the source video
365 - more accurate deblock filter
367 - many optimizations and bugfixes
368 - FunCom ISS audio file demuxer and according ADPCM decoding
373 - MPEG-2 video encoding (Michael)
374 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
375 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
377 - Xan DPCM audio decoder (Mario Brito)
378 - Interplay MVE playback subsystem (Mike Melanson)
379 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
384 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
385 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
386 - current version now also compiles with older GCC (Fabrice)
387 - 4X multimedia playback system including 4xm file demuxer (Mike
388 Melanson), and 4X video and audio codecs (Michael)
389 - Creative YUV (CYUV) decoder (Mike Melanson)
390 - FFV1 codec (our very simple lossless intra only codec, compresses much better
391 than HuffYUV) (Michael)
392 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
393 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
394 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
395 - ffplay has been replaced with a newer version which uses SDL (optionally)
396 for multiplatform support (Fabrice)
397 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
399 - AMR format has been added (Johannes Carlsson)
400 - 3GP support has been added (Johannes Carlsson)
401 - VP3 codec has been added (Mike Melanson)
402 - more MPEG-1/2 fixes
403 - better multiplatform support, MS Visual Studio fixes (various)
404 - AltiVec optimizations (Magnus Damn and others)
405 - SH4 processor support has been added (BERO)
406 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
407 - VOB streaming support (Brian Foley)
408 - better MP3 autodetection (Andriy Rysin)
409 - qpel encoding (Michael)
410 - 4mv+b frames encoding finally fixed (Michael)
411 - chroma ME (Michael)
412 - 5 comparison functions for ME (Michael)
413 - B-frame encoding speedup (Michael)
414 - WMV2 codec (unfinished - Michael)
415 - user specified diamond size for EPZS (Michael)
416 - Playstation STR playback subsystem, still experimental (Mike and Michael)
417 - ASV2 codec (Michael)
418 - CLJR decoder (Alex)
420 .. And lots more new enhancements and fixes.
425 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
427 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
428 - fix quantization bug in AC3 encoder
429 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
430 - added prototype ffplay program
431 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
432 - bug fix on MCBPC tables of H.263 (Juanjo)
433 - bug fix on DC coefficients of H.263 (Juanjo)
434 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
435 - now we can decode H.263 streams found in QuickTime files (Juanjo)
436 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
437 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
438 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
439 - now H.263 picture size is returned on the first decoded frame (Juanjo)
440 - added first regression tests
441 - added MPEG-2 TS demuxer
442 - new demux API for libav
443 - more accurate and faster IDCT (Michael)
444 - faster and entropy-controlled motion search (Michael)
445 - two pass video encoding (Michael)
446 - new video rate control (Michael)
447 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
448 - great performance improvement of video encoders and decoders (Michael)
449 - new and faster bit readers and vlc parsers (Michael)
450 - high quality encoding mode: tries all macroblock/VLC types (Michael)
451 - added DV video decoder
452 - preliminary RTP/RTSP support in ffserver and libavformat
453 - H.263+ AIC decoding/encoding support (Juanjo)
454 - VCD MPEG-PS mode (Juanjo)
455 - PSNR stuff (Juanjo)
456 - simple stats output (Juanjo)
457 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
462 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
463 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
464 - added configure system (actually a small shell script)
465 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
466 Michael Hipp (temporary solution - waiting for integer only
468 - fixed VIDIOCSYNC interrupt
469 - added Intel H.263 decoding support ('I263' AVI fourCC)
470 - added Real Video 1.0 decoding (needs further testing)
471 - simplified image formats again. Added PGM format (=grey
472 pgm). Renamed old PGM to PGMYUV.
473 - fixed msmpeg4 slice issues (tell me if you still find problems)
474 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
475 - added support for MPlayer interface
476 - added macroblock skip optimization
477 - added MJPEG decoder
478 - added mmx/mmxext IDCT from libmpeg2
479 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
480 <celer at shell.scrypt.net>)
481 - added pixel format conversion layer (e.g. for MJPEG or PPM)
482 - added deinterlacing option
484 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
485 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
486 - Windows porting of file converter
487 - added MJPEG raw format (input/ouput)
488 - added JPEG image format support (input/output)
493 - fixed some std header definitions (Bjorn Lindgren
494 <bjorn.e.lindgren at telia.com>).
495 - added MPEG demuxer (MPEG-1 and 2 compatible).
497 - added prototype RM demuxer
498 - added AC3 decoding (done with libac3 by Aaron Holtzman)
499 - added decoding codec parameter guessing (.e.g. for MPEG, because the
500 header does not include them)
501 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
502 play them (only tested video)
503 - fixed H.263 white bug
504 - fixed phase rounding in img resample filter
505 - add MMX code for polyphase img resample filter
506 - added CPU autodetection
507 - added generic title/author/copyright/comment string handling (ASF and RM
509 - added SWF demux to extract MP3 track (not usable yet because no MP3
511 - added fractional frame rate support
512 - codecs are no longer searched by read_header() (should fix ffserver
518 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
519 - fixed raw yuv output
520 - added motion rounding support in MPEG-4
521 - fixed motion bug rounding in MSMPEG4
522 - added B-frame handling in video core
523 - added full MPEG-1 decoding support
524 - added partial (frame only) MPEG-2 support
525 - changed the FOURCC code for H.263 to "U263" to be able to see the
526 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
527 this +codec ;) (JuanJo).
528 - Halfpel motion estimation after MB type selection (JuanJo)
529 - added pgm and .Y.U.V output format
530 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
532 - added pgmpipe I/O format (original patch from Martin Aumueller
533 <lists at reserv.at>, but changed completely since we use a format
534 instead of a protocol)
539 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
540 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
541 missing. MSMPEG4 support is complete.
542 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
543 can decode ffmpeg MPEGs :-)).
544 - added libavcodec API documentation (see apiexample.c).
545 - fixed image polyphase bug (the bottom of some images could be
547 - added support for non clipped motion vectors (decoding only)
548 and image sizes non-multiple of 16
549 - added support for AC prediction (decoding only)
550 - added file overwrite confirmation (can be disabled with -y)
551 - added custom size picture to H.263 using H.263+ (Juanjo)
556 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
557 of AVI and ASF to DIV3.
558 - added -me option to set motion estimation method
559 (default=log). suppressed redundant -hq option.
560 - added options -acodec and -vcodec to force a given codec (useful for
563 - improved dct_quantize speed
564 - factorized some motion estimation code
569 - removing grab code from ffserver and moved it to ffmpeg. Added
570 multistream support to ffmpeg.
571 - added timeshifting support for live feeds (option ?date=xxx in the
573 - added high quality image resize code with polyphase filter (need
574 mmx/see optimization). Enable multiple image size support in ffserver.
575 - added multi live feed support in ffserver
576 - suppressed master feature from ffserver (it should be done with an
577 external program which opens the .ffm url and writes it to another
579 - added preliminary support for video stream parsing (WAV and AVI half
580 done). Added proper support for audio/video file conversion in
582 - added preliminary support for video file sending from ffserver
583 - redesigning I/O subsystem: now using URL based input and output
585 - added WAV format support
586 - added "tty user interface" to ffmpeg to stop grabbing gracefully
587 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
588 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
589 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
590 - added new motion estimation algorithms, log and phods (Juanjo)
591 - changed directories: libav for format handling, libavcodec for
597 - added stereo in MPEG audio encoder
602 - added 'high quality' mode which use motion vectors. It can be used in
603 real time at low resolution.
604 - fixed rounding problems which caused quality problems at high
605 bitrates and large GOP size
608 version 0.3.2: small fixes
614 version 0.3.1: added avi/divx support
617 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
618 - added sound for flash format (not tested)
621 version 0.3: initial public release