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
45 - Demuxer for Leitch/Harris' VR native stream format (LXF)
46 - RTP depacketization of the X-QT QuickTime format
47 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
49 - ffmpeg -crop* options removed
50 - transpose filter added
51 - ffmpeg -force_key_frames option added
52 - demuxer for receiving raw rtp:// URLs without an SDP description
53 - single stream LATM/LOAS decoder
55 - Win64 support for optimized asm functions
60 - PB-frame decoding for H.263
61 - deprecated vhook subsystem removed
62 - deprecated old scaler removed
64 - Alpha channel scaler
66 - RTP packetization of H.263
67 - RTP packetization of AMR
68 - RTP depacketization of Vorbis
69 - CorePNG decoding support
70 - Cook multichannel decoding support
71 - introduced avlanguage helpers in libavformat
72 - 8088flex TMV demuxer and decoder
73 - per-stream language-tags extraction in asfdec
74 - V210 decoder and encoder
75 - remaining GPL parts in AC-3 decoder converted to LGPL
77 - SoX native format muxer and demuxer
78 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
80 - Electronic Arts Madcow decoder
81 - DivX (XSUB) subtitle encoder
82 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
83 - experimental AAC encoder
84 - RTP depacketization of ASF and RTSP from WMS servers
85 - RTMP support in libavformat
86 - noX handling for OPT_BOOL X options
88 - IEC-61937 compatible Muxer
90 - Bluray (PGS) subtitle decoder
91 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
93 - Core Audio Format demuxer
95 - MD STUDIO audio demuxer
96 - RF64 support in WAV demuxer
97 - MPEG-4 Audio Lossless Coding (ALS) decoder
98 - -formats option split into -formats, -codecs, -bsfs, and -protocols
100 - CDG demuxer and decoder
102 - Auravision Aura 1 and 2 decoders
103 - Deluxe Paint Animation playback system
105 - Adobe Filmstrip muxer and demuxer
106 - RTP depacketization of H.263
107 - Bink demuxer and audio/video decoders
108 - enable symbol versioning by default for linkers that support it
109 - IFF PBM/ILBM bitmap decoder
112 - RTP depacketization of AMR
118 - Kega Game Video (KGV1) decoder
119 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
120 - RTP depacketization of Theora
121 - HTTP Digest authentication
122 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
123 - Psygnosis YOP demuxer and video decoder
124 - spectral extension support in the E-AC-3 decoder
125 - unsharp video filter
126 - RTP hinting in the mov/3gp/mp4 muxer
127 - Dirac in Ogg demuxing
128 - seek to keyframes in Ogg
129 - 4:2:2 and 4:4:4 Theora decoding
130 - 35% faster VP3/Theora decoding
131 - faster AAC decoding
132 - faster H.264 decoding
133 - RealAudio 1.0 (14.4K) encoder
138 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
139 - TechSmith Camtasia (TSCC) video decoder
140 - IBM Ultimotion (ULTI) video decoder
141 - Sierra Online audio file demuxer and decoder
142 - Apple QuickDraw (qdrw) video decoder
143 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
144 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
145 - Miro VideoXL (VIXL) video decoder
146 - H.261 video encoder
148 - Nullsoft Video (NSV) file demuxer
149 - Shorten audio decoder
151 - Apple Lossless Audio Codec (ALAC) decoder
152 - Winnov WNV1 video decoder
153 - Autodesk Animator Studio Codec (AASC) decoder
154 - Indeo 2 video decoder
155 - Fraps FPS1 video decoder
156 - Snow video encoder/decoder
157 - Sonic audio encoder/decoder
158 - Vorbis audio decoder
159 - Macromedia ADPCM decoder
160 - Duck TrueMotion 2 video decoder
161 - support for decoding FLX and DTA extensions in FLIC files
162 - H.264 custom quantization matrices support
163 - ffserver fixed, it should now be usable again
165 - Real Cooker audio decoder
166 - TrueSpeech audio decoder
167 - WMA2 audio decoder fixed, now all files should play correctly
168 - RealAudio 14.4 and 28.8 decoders fixed
170 - build system improvements
171 - tabs and trailing whitespace removed from the codebase
172 - CamStudio video decoder
173 - AIFF/AIFF-C audio format, encoding and decoding
174 - ADTS AAC file reading and writing
175 - Creative VOC file reading and writing
176 - American Laser Games multimedia (*.mm) playback system
177 - Zip Motion Blocks Video decoder
178 - improved Theora/VP3 decoder
179 - True Audio (TTA) decoder
180 - AVS demuxer and video decoder
182 - Smacker demuxer and decoder
183 - NuppelVideo/MythTV demuxer and RTjpeg decoder
185 - MPEG-2 intra VLC support
186 - MPEG-2 4:2:2 encoder
187 - Flash Screen Video decoder
189 - Chinese AVS decoder
192 - VC-1/WMV3/WMV9 video decoder
195 - VMware video decoder
198 - WavPack lossless audio decoder
199 - Targa (.TGA) picture decoder
200 - Vorbis audio encoder
201 - Delphine Software .cin demuxer/audio and video decoder
202 - Tiertex .seq demuxer/video decoder
204 - TIFF picture encoder and decoder
205 - GIF picture decoder
206 - Intel Music Coder decoder
207 - Zip Motion Blocks Video encoder
209 - Flash Screen Video encoder
210 - Theora encoding via libtheora
213 - GSM-MS encoder and decoder
215 - DXA demuxer and decoder
217 - Gamecube movie (.THP) playback system
218 - Blackfin optimizations
219 - Interplay C93 demuxer and video decoder
220 - Bethsoft VID demuxer and video decoder
223 - V.Flash PTX decoder
224 - RoQ muxer, RoQ audio encoder
225 - Renderware TXD demuxer and decoder
226 - extern C declarations for C++ removed from headers
227 - sws_flags command line option
231 - OS/2 support removed and restored again
234 - additional SPARC (VIS) optimizations
236 - slice-based parallel H.264 decoding
237 - Monkey's Audio demuxer and decoder
238 - AMV audio and video decoder
240 - H.264 PAFF decoding
241 - Nellymoser ASAO decoder
242 - Beam Software SIFF demuxer and decoder
243 - libvorbis Vorbis decoding removed in favor of native decoder
244 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
245 - Ogg (Theora, Vorbis and FLAC) muxer
246 - The "device" muxers and demuxers are now in a new libavdevice library
247 - PC Paintbrush PCX decoder
248 - Sun Rasterfile decoder
249 - TechnoTrend PVA demuxer
250 - Linux Media Labs MPEG-4 (LMLM4) demuxer
251 - AVM2 (Flash 9) SWF muxer
252 - QT variant of IMA ADPCM encoder
254 - iPod/iPhone compatible mp4 muxer
256 - MSN TCP Webcam stream demuxer
257 - RL2 demuxer / decoder
260 - non-recursive Makefiles
262 - MAXIS EA XA (.xa) demuxer / decoder
266 - Electronic Arts CMV decoder
267 - Motion Pixels Video decoder
268 - Motion Pixels MVI demuxer
269 - removed animated GIF decoder/demuxer
270 - D-Cinema audio muxer
271 - Electronic Arts TGV decoder
272 - Apple Lossless Audio Codec (ALAC) encoder
274 - floating point PCM encoder/decoder
276 - DV100 AKA DVCPRO HD decoder and demuxer
277 - E-AC-3 support added to AC-3 decoder
278 - Nellymoser ASAO encoder
279 - ASS and SSA demuxer and muxer
280 - liba52 wrapper removed
281 - SVQ3 watermark decoding support
282 - Speex decoding via libspeex
283 - Electronic Arts TGQ decoder
285 - QCELP / PureVoice decoder
287 - hybrid WavPack support
288 - R3D REDCODE demuxer
289 - ALSA support for playback and record
290 - Electronic Arts TQI decoder
291 - OpenJPEG based JPEG 2000 decoder
292 - NC (NC4600) camera file demuxer
293 - Gopher client support
295 - generic metadata API
300 - DV encoder, DV muxer
301 - Microsoft RLE video decoder
302 - Microsoft Video-1 decoder
303 - Apple Animation (RLE) decoder
304 - Apple Graphics (SMC) decoder
305 - Apple Video (RPZA) decoder
307 - Sega FILM (CPK) file demuxer
308 - Westwood multimedia support (VQA & AUD files)
309 - Id Quake II CIN playback support
311 - FLIC playback support
312 - RealVideo 2.0 (RV20) decoder
313 - Duck TrueMotion v1 (DUCK) video decoder
314 - Sierra VMD demuxer and video decoder
315 - MSZH and ZLIB decoder support
319 - rate distortion optimal cbp support
320 - rate distorted optimal ac prediction for MPEG-4
321 - rate distorted optimal lambda->qp support
322 - AAC encoding with libfaac
323 - Sunplus JPEG codec (SP5X) support
324 - use Lagrange multipler instead of QP for ratecontrol
325 - Theora/VP3 decoding support
326 - XA and ADX ADPCM codecs
327 - export MPEG-2 active display area / pan scan
328 - Add support for configuring with IBM XLC
329 - floating point AAN DCT
330 - initial support for zygo video (not complete)
332 - new audio/video parser API
334 - av_read_frame() and av_seek_frame() support
335 - missing last frame fixes
336 - seek by mouse in ffplay
337 - noise reduction of DCT coefficients
338 - H.263 OBMC & 4MV support
339 - H.263 alternative inter vlc support
341 - H.263 slice structured mode
342 - interlaced DCT support for MPEG-2 encoding
343 - stuffing to stay above min_bitrate
344 - MB type & QP visualization
345 - frame stepping for ffplay
346 - interlaced motion estimation
347 - alternate scantable support
348 - SVCD scan offset support
351 - quantizer noise shaping
352 - G.726 ADPCM audio codec
354 - multithreaded/SMP motion estimation
355 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
356 - multithreaded/SMP decoding for MPEG-2
358 - Metrowerks CodeWarrior suppport
359 - H.263+ custom pcf support
360 - nicer output for 'ffmpeg -formats'
362 - SGI image format, encoding and decoding
363 - H.264 loop filter support
364 - H.264 CABAC support
365 - nicer looking arrows for the motion vector visualization
366 - improved VCD support
367 - audio timestamp drift compensation
368 - MPEG-2 YUV 422/444 support
369 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
370 - better image scaling
372 - correctly interleave packets during encoding
373 - VIS optimized motion compensation
374 - intra_dc_precision>0 encoding support
375 - support reuse of motion vectors/MB types/field select values of the source video
376 - more accurate deblock filter
378 - many optimizations and bugfixes
379 - FunCom ISS audio file demuxer and according ADPCM decoding
384 - MPEG-2 video encoding (Michael)
385 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
386 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
388 - Xan DPCM audio decoder (Mario Brito)
389 - Interplay MVE playback subsystem (Mike Melanson)
390 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
395 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
396 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
397 - current version now also compiles with older GCC (Fabrice)
398 - 4X multimedia playback system including 4xm file demuxer (Mike
399 Melanson), and 4X video and audio codecs (Michael)
400 - Creative YUV (CYUV) decoder (Mike Melanson)
401 - FFV1 codec (our very simple lossless intra only codec, compresses much better
402 than HuffYUV) (Michael)
403 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
404 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
405 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
406 - ffplay has been replaced with a newer version which uses SDL (optionally)
407 for multiplatform support (Fabrice)
408 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
410 - AMR format has been added (Johannes Carlsson)
411 - 3GP support has been added (Johannes Carlsson)
412 - VP3 codec has been added (Mike Melanson)
413 - more MPEG-1/2 fixes
414 - better multiplatform support, MS Visual Studio fixes (various)
415 - AltiVec optimizations (Magnus Damn and others)
416 - SH4 processor support has been added (BERO)
417 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
418 - VOB streaming support (Brian Foley)
419 - better MP3 autodetection (Andriy Rysin)
420 - qpel encoding (Michael)
421 - 4mv+b frames encoding finally fixed (Michael)
422 - chroma ME (Michael)
423 - 5 comparison functions for ME (Michael)
424 - B-frame encoding speedup (Michael)
425 - WMV2 codec (unfinished - Michael)
426 - user specified diamond size for EPZS (Michael)
427 - Playstation STR playback subsystem, still experimental (Mike and Michael)
428 - ASV2 codec (Michael)
429 - CLJR decoder (Alex)
431 .. And lots more new enhancements and fixes.
436 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
438 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
439 - fix quantization bug in AC3 encoder
440 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
441 - added prototype ffplay program
442 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
443 - bug fix on MCBPC tables of H.263 (Juanjo)
444 - bug fix on DC coefficients of H.263 (Juanjo)
445 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
446 - now we can decode H.263 streams found in QuickTime files (Juanjo)
447 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
448 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
449 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
450 - now H.263 picture size is returned on the first decoded frame (Juanjo)
451 - added first regression tests
452 - added MPEG-2 TS demuxer
453 - new demux API for libav
454 - more accurate and faster IDCT (Michael)
455 - faster and entropy-controlled motion search (Michael)
456 - two pass video encoding (Michael)
457 - new video rate control (Michael)
458 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
459 - great performance improvement of video encoders and decoders (Michael)
460 - new and faster bit readers and vlc parsers (Michael)
461 - high quality encoding mode: tries all macroblock/VLC types (Michael)
462 - added DV video decoder
463 - preliminary RTP/RTSP support in ffserver and libavformat
464 - H.263+ AIC decoding/encoding support (Juanjo)
465 - VCD MPEG-PS mode (Juanjo)
466 - PSNR stuff (Juanjo)
467 - simple stats output (Juanjo)
468 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
473 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
474 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
475 - added configure system (actually a small shell script)
476 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
477 Michael Hipp (temporary solution - waiting for integer only
479 - fixed VIDIOCSYNC interrupt
480 - added Intel H.263 decoding support ('I263' AVI fourCC)
481 - added Real Video 1.0 decoding (needs further testing)
482 - simplified image formats again. Added PGM format (=grey
483 pgm). Renamed old PGM to PGMYUV.
484 - fixed msmpeg4 slice issues (tell me if you still find problems)
485 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
486 - added support for MPlayer interface
487 - added macroblock skip optimization
488 - added MJPEG decoder
489 - added mmx/mmxext IDCT from libmpeg2
490 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
491 <celer at shell.scrypt.net>)
492 - added pixel format conversion layer (e.g. for MJPEG or PPM)
493 - added deinterlacing option
495 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
496 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
497 - Windows porting of file converter
498 - added MJPEG raw format (input/ouput)
499 - added JPEG image format support (input/output)
504 - fixed some std header definitions (Bjorn Lindgren
505 <bjorn.e.lindgren at telia.com>).
506 - added MPEG demuxer (MPEG-1 and 2 compatible).
508 - added prototype RM demuxer
509 - added AC3 decoding (done with libac3 by Aaron Holtzman)
510 - added decoding codec parameter guessing (.e.g. for MPEG, because the
511 header does not include them)
512 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
513 play them (only tested video)
514 - fixed H.263 white bug
515 - fixed phase rounding in img resample filter
516 - add MMX code for polyphase img resample filter
517 - added CPU autodetection
518 - added generic title/author/copyright/comment string handling (ASF and RM
520 - added SWF demux to extract MP3 track (not usable yet because no MP3
522 - added fractional frame rate support
523 - codecs are no longer searched by read_header() (should fix ffserver
529 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
530 - fixed raw yuv output
531 - added motion rounding support in MPEG-4
532 - fixed motion bug rounding in MSMPEG4
533 - added B-frame handling in video core
534 - added full MPEG-1 decoding support
535 - added partial (frame only) MPEG-2 support
536 - changed the FOURCC code for H.263 to "U263" to be able to see the
537 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
538 this +codec ;) (JuanJo).
539 - Halfpel motion estimation after MB type selection (JuanJo)
540 - added pgm and .Y.U.V output format
541 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
543 - added pgmpipe I/O format (original patch from Martin Aumueller
544 <lists at reserv.at>, but changed completely since we use a format
545 instead of a protocol)
550 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
551 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
552 missing. MSMPEG4 support is complete.
553 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
554 can decode ffmpeg MPEGs :-)).
555 - added libavcodec API documentation (see apiexample.c).
556 - fixed image polyphase bug (the bottom of some images could be
558 - added support for non clipped motion vectors (decoding only)
559 and image sizes non-multiple of 16
560 - added support for AC prediction (decoding only)
561 - added file overwrite confirmation (can be disabled with -y)
562 - added custom size picture to H.263 using H.263+ (Juanjo)
567 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
568 of AVI and ASF to DIV3.
569 - added -me option to set motion estimation method
570 (default=log). suppressed redundant -hq option.
571 - added options -acodec and -vcodec to force a given codec (useful for
574 - improved dct_quantize speed
575 - factorized some motion estimation code
580 - removing grab code from ffserver and moved it to ffmpeg. Added
581 multistream support to ffmpeg.
582 - added timeshifting support for live feeds (option ?date=xxx in the
584 - added high quality image resize code with polyphase filter (need
585 mmx/see optimization). Enable multiple image size support in ffserver.
586 - added multi live feed support in ffserver
587 - suppressed master feature from ffserver (it should be done with an
588 external program which opens the .ffm url and writes it to another
590 - added preliminary support for video stream parsing (WAV and AVI half
591 done). Added proper support for audio/video file conversion in
593 - added preliminary support for video file sending from ffserver
594 - redesigning I/O subsystem: now using URL based input and output
596 - added WAV format support
597 - added "tty user interface" to ffmpeg to stop grabbing gracefully
598 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
599 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
600 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
601 - added new motion estimation algorithms, log and phods (Juanjo)
602 - changed directories: libav for format handling, libavcodec for
608 - added stereo in MPEG audio encoder
613 - added 'high quality' mode which use motion vectors. It can be used in
614 real time at low resolution.
615 - fixed rounding problems which caused quality problems at high
616 bitrates and large GOP size
619 version 0.3.2: small fixes
625 version 0.3.1: added avi/divx support
628 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
629 - added sound for flash format (not tested)
632 version 0.3: initial public release