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
56 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
57 - ASS subtitle encoder and decoder
58 - IEC 61937 encapsulation for E-AC3, TrueHD, DTS-HD (for HDMI passthrough)
59 - overlay filter added
60 - rename aspect filter to setdar, and pixelaspect to setsar
62 - Mobotix .mxg demuxer
65 - RTP depacketization of QCELP
67 - gradfun filter added
69 - replace the ocv_smooth filter with a more generic ocv filter
70 - Windows Televison (WTV) demuxer
71 - FFmpeg metadata format muxer and demuxer
72 - SubRip (srt) subtitle decoder
73 - floating-point AC-3 encoder added
75 - ffmpeg -copytb option added
77 - Wing Commander IV movies decoder added
79 - Bink version 'b' audio and video decoder
80 - Bitmap Brothers JV playback system
81 - Apple HTTP Live Streaming protocol handler
86 - PB-frame decoding for H.263
87 - deprecated vhook subsystem removed
88 - deprecated old scaler removed
90 - Alpha channel scaler
92 - RTP packetization of H.263
93 - RTP packetization of AMR
94 - RTP depacketization of Vorbis
95 - CorePNG decoding support
96 - Cook multichannel decoding support
97 - introduced avlanguage helpers in libavformat
98 - 8088flex TMV demuxer and decoder
99 - per-stream language-tags extraction in asfdec
100 - V210 decoder and encoder
101 - remaining GPL parts in AC-3 decoder converted to LGPL
103 - SoX native format muxer and demuxer
104 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
106 - Electronic Arts Madcow decoder
107 - DivX (XSUB) subtitle encoder
108 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
109 - experimental AAC encoder
110 - RTP depacketization of ASF and RTSP from WMS servers
111 - RTMP support in libavformat
112 - noX handling for OPT_BOOL X options
114 - IEC-61937 compatible Muxer
116 - Bluray (PGS) subtitle decoder
117 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
119 - Core Audio Format demuxer
121 - MD STUDIO audio demuxer
122 - RF64 support in WAV demuxer
123 - MPEG-4 Audio Lossless Coding (ALS) decoder
124 - -formats option split into -formats, -codecs, -bsfs, and -protocols
126 - CDG demuxer and decoder
128 - Auravision Aura 1 and 2 decoders
129 - Deluxe Paint Animation playback system
131 - Adobe Filmstrip muxer and demuxer
132 - RTP depacketization of H.263
133 - Bink demuxer and audio/video decoders
134 - enable symbol versioning by default for linkers that support it
135 - IFF PBM/ILBM bitmap decoder
138 - RTP depacketization of AMR
144 - Kega Game Video (KGV1) decoder
145 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
146 - RTP depacketization of Theora
147 - HTTP Digest authentication
148 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
149 - Psygnosis YOP demuxer and video decoder
150 - spectral extension support in the E-AC-3 decoder
151 - unsharp video filter
152 - RTP hinting in the mov/3gp/mp4 muxer
153 - Dirac in Ogg demuxing
154 - seek to keyframes in Ogg
155 - 4:2:2 and 4:4:4 Theora decoding
156 - 35% faster VP3/Theora decoding
157 - faster AAC decoding
158 - faster H.264 decoding
159 - RealAudio 1.0 (14.4K) encoder
164 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
165 - TechSmith Camtasia (TSCC) video decoder
166 - IBM Ultimotion (ULTI) video decoder
167 - Sierra Online audio file demuxer and decoder
168 - Apple QuickDraw (qdrw) video decoder
169 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
170 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
171 - Miro VideoXL (VIXL) video decoder
172 - H.261 video encoder
174 - Nullsoft Video (NSV) file demuxer
175 - Shorten audio decoder
177 - Apple Lossless Audio Codec (ALAC) decoder
178 - Winnov WNV1 video decoder
179 - Autodesk Animator Studio Codec (AASC) decoder
180 - Indeo 2 video decoder
181 - Fraps FPS1 video decoder
182 - Snow video encoder/decoder
183 - Sonic audio encoder/decoder
184 - Vorbis audio decoder
185 - Macromedia ADPCM decoder
186 - Duck TrueMotion 2 video decoder
187 - support for decoding FLX and DTA extensions in FLIC files
188 - H.264 custom quantization matrices support
189 - ffserver fixed, it should now be usable again
191 - Real Cooker audio decoder
192 - TrueSpeech audio decoder
193 - WMA2 audio decoder fixed, now all files should play correctly
194 - RealAudio 14.4 and 28.8 decoders fixed
196 - build system improvements
197 - tabs and trailing whitespace removed from the codebase
198 - CamStudio video decoder
199 - AIFF/AIFF-C audio format, encoding and decoding
200 - ADTS AAC file reading and writing
201 - Creative VOC file reading and writing
202 - American Laser Games multimedia (*.mm) playback system
203 - Zip Motion Blocks Video decoder
204 - improved Theora/VP3 decoder
205 - True Audio (TTA) decoder
206 - AVS demuxer and video decoder
208 - Smacker demuxer and decoder
209 - NuppelVideo/MythTV demuxer and RTjpeg decoder
211 - MPEG-2 intra VLC support
212 - MPEG-2 4:2:2 encoder
213 - Flash Screen Video decoder
215 - Chinese AVS decoder
218 - VC-1/WMV3/WMV9 video decoder
221 - VMware video decoder
224 - WavPack lossless audio decoder
225 - Targa (.TGA) picture decoder
226 - Vorbis audio encoder
227 - Delphine Software .cin demuxer/audio and video decoder
228 - Tiertex .seq demuxer/video decoder
230 - TIFF picture encoder and decoder
231 - GIF picture decoder
232 - Intel Music Coder decoder
233 - Zip Motion Blocks Video encoder
235 - Flash Screen Video encoder
236 - Theora encoding via libtheora
239 - GSM-MS encoder and decoder
241 - DXA demuxer and decoder
243 - Gamecube movie (.THP) playback system
244 - Blackfin optimizations
245 - Interplay C93 demuxer and video decoder
246 - Bethsoft VID demuxer and video decoder
249 - V.Flash PTX decoder
250 - RoQ muxer, RoQ audio encoder
251 - Renderware TXD demuxer and decoder
252 - extern C declarations for C++ removed from headers
253 - sws_flags command line option
257 - OS/2 support removed and restored again
260 - additional SPARC (VIS) optimizations
262 - slice-based parallel H.264 decoding
263 - Monkey's Audio demuxer and decoder
264 - AMV audio and video decoder
266 - H.264 PAFF decoding
267 - Nellymoser ASAO decoder
268 - Beam Software SIFF demuxer and decoder
269 - libvorbis Vorbis decoding removed in favor of native decoder
270 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
271 - Ogg (Theora, Vorbis and FLAC) muxer
272 - The "device" muxers and demuxers are now in a new libavdevice library
273 - PC Paintbrush PCX decoder
274 - Sun Rasterfile decoder
275 - TechnoTrend PVA demuxer
276 - Linux Media Labs MPEG-4 (LMLM4) demuxer
277 - AVM2 (Flash 9) SWF muxer
278 - QT variant of IMA ADPCM encoder
280 - iPod/iPhone compatible mp4 muxer
282 - MSN TCP Webcam stream demuxer
283 - RL2 demuxer / decoder
286 - non-recursive Makefiles
288 - MAXIS EA XA (.xa) demuxer / decoder
292 - Electronic Arts CMV decoder
293 - Motion Pixels Video decoder
294 - Motion Pixels MVI demuxer
295 - removed animated GIF decoder/demuxer
296 - D-Cinema audio muxer
297 - Electronic Arts TGV decoder
298 - Apple Lossless Audio Codec (ALAC) encoder
300 - floating point PCM encoder/decoder
302 - DV100 AKA DVCPRO HD decoder and demuxer
303 - E-AC-3 support added to AC-3 decoder
304 - Nellymoser ASAO encoder
305 - ASS and SSA demuxer and muxer
306 - liba52 wrapper removed
307 - SVQ3 watermark decoding support
308 - Speex decoding via libspeex
309 - Electronic Arts TGQ decoder
311 - QCELP / PureVoice decoder
313 - hybrid WavPack support
314 - R3D REDCODE demuxer
315 - ALSA support for playback and record
316 - Electronic Arts TQI decoder
317 - OpenJPEG based JPEG 2000 decoder
318 - NC (NC4600) camera file demuxer
319 - Gopher client support
321 - generic metadata API
326 - DV encoder, DV muxer
327 - Microsoft RLE video decoder
328 - Microsoft Video-1 decoder
329 - Apple Animation (RLE) decoder
330 - Apple Graphics (SMC) decoder
331 - Apple Video (RPZA) decoder
333 - Sega FILM (CPK) file demuxer
334 - Westwood multimedia support (VQA & AUD files)
335 - Id Quake II CIN playback support
337 - FLIC playback support
338 - RealVideo 2.0 (RV20) decoder
339 - Duck TrueMotion v1 (DUCK) video decoder
340 - Sierra VMD demuxer and video decoder
341 - MSZH and ZLIB decoder support
345 - rate distortion optimal cbp support
346 - rate distorted optimal ac prediction for MPEG-4
347 - rate distorted optimal lambda->qp support
348 - AAC encoding with libfaac
349 - Sunplus JPEG codec (SP5X) support
350 - use Lagrange multipler instead of QP for ratecontrol
351 - Theora/VP3 decoding support
352 - XA and ADX ADPCM codecs
353 - export MPEG-2 active display area / pan scan
354 - Add support for configuring with IBM XLC
355 - floating point AAN DCT
356 - initial support for zygo video (not complete)
358 - new audio/video parser API
360 - av_read_frame() and av_seek_frame() support
361 - missing last frame fixes
362 - seek by mouse in ffplay
363 - noise reduction of DCT coefficients
364 - H.263 OBMC & 4MV support
365 - H.263 alternative inter vlc support
367 - H.263 slice structured mode
368 - interlaced DCT support for MPEG-2 encoding
369 - stuffing to stay above min_bitrate
370 - MB type & QP visualization
371 - frame stepping for ffplay
372 - interlaced motion estimation
373 - alternate scantable support
374 - SVCD scan offset support
377 - quantizer noise shaping
378 - G.726 ADPCM audio codec
380 - multithreaded/SMP motion estimation
381 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
382 - multithreaded/SMP decoding for MPEG-2
384 - Metrowerks CodeWarrior suppport
385 - H.263+ custom pcf support
386 - nicer output for 'ffmpeg -formats'
388 - SGI image format, encoding and decoding
389 - H.264 loop filter support
390 - H.264 CABAC support
391 - nicer looking arrows for the motion vector visualization
392 - improved VCD support
393 - audio timestamp drift compensation
394 - MPEG-2 YUV 422/444 support
395 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
396 - better image scaling
398 - correctly interleave packets during encoding
399 - VIS optimized motion compensation
400 - intra_dc_precision>0 encoding support
401 - support reuse of motion vectors/MB types/field select values of the source video
402 - more accurate deblock filter
404 - many optimizations and bugfixes
405 - FunCom ISS audio file demuxer and according ADPCM decoding
410 - MPEG-2 video encoding (Michael)
411 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
412 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
414 - Xan DPCM audio decoder (Mario Brito)
415 - Interplay MVE playback subsystem (Mike Melanson)
416 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
421 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
422 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
423 - current version now also compiles with older GCC (Fabrice)
424 - 4X multimedia playback system including 4xm file demuxer (Mike
425 Melanson), and 4X video and audio codecs (Michael)
426 - Creative YUV (CYUV) decoder (Mike Melanson)
427 - FFV1 codec (our very simple lossless intra only codec, compresses much better
428 than HuffYUV) (Michael)
429 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
430 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
431 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
432 - ffplay has been replaced with a newer version which uses SDL (optionally)
433 for multiplatform support (Fabrice)
434 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
436 - AMR format has been added (Johannes Carlsson)
437 - 3GP support has been added (Johannes Carlsson)
438 - VP3 codec has been added (Mike Melanson)
439 - more MPEG-1/2 fixes
440 - better multiplatform support, MS Visual Studio fixes (various)
441 - AltiVec optimizations (Magnus Damn and others)
442 - SH4 processor support has been added (BERO)
443 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
444 - VOB streaming support (Brian Foley)
445 - better MP3 autodetection (Andriy Rysin)
446 - qpel encoding (Michael)
447 - 4mv+b frames encoding finally fixed (Michael)
448 - chroma ME (Michael)
449 - 5 comparison functions for ME (Michael)
450 - B-frame encoding speedup (Michael)
451 - WMV2 codec (unfinished - Michael)
452 - user specified diamond size for EPZS (Michael)
453 - Playstation STR playback subsystem, still experimental (Mike and Michael)
454 - ASV2 codec (Michael)
455 - CLJR decoder (Alex)
457 .. And lots more new enhancements and fixes.
462 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
464 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
465 - fix quantization bug in AC3 encoder
466 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
467 - added prototype ffplay program
468 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
469 - bug fix on MCBPC tables of H.263 (Juanjo)
470 - bug fix on DC coefficients of H.263 (Juanjo)
471 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
472 - now we can decode H.263 streams found in QuickTime files (Juanjo)
473 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
474 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
475 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
476 - now H.263 picture size is returned on the first decoded frame (Juanjo)
477 - added first regression tests
478 - added MPEG-2 TS demuxer
479 - new demux API for libav
480 - more accurate and faster IDCT (Michael)
481 - faster and entropy-controlled motion search (Michael)
482 - two pass video encoding (Michael)
483 - new video rate control (Michael)
484 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
485 - great performance improvement of video encoders and decoders (Michael)
486 - new and faster bit readers and vlc parsers (Michael)
487 - high quality encoding mode: tries all macroblock/VLC types (Michael)
488 - added DV video decoder
489 - preliminary RTP/RTSP support in ffserver and libavformat
490 - H.263+ AIC decoding/encoding support (Juanjo)
491 - VCD MPEG-PS mode (Juanjo)
492 - PSNR stuff (Juanjo)
493 - simple stats output (Juanjo)
494 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
499 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
500 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
501 - added configure system (actually a small shell script)
502 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
503 Michael Hipp (temporary solution - waiting for integer only
505 - fixed VIDIOCSYNC interrupt
506 - added Intel H.263 decoding support ('I263' AVI fourCC)
507 - added Real Video 1.0 decoding (needs further testing)
508 - simplified image formats again. Added PGM format (=grey
509 pgm). Renamed old PGM to PGMYUV.
510 - fixed msmpeg4 slice issues (tell me if you still find problems)
511 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
512 - added support for MPlayer interface
513 - added macroblock skip optimization
514 - added MJPEG decoder
515 - added mmx/mmxext IDCT from libmpeg2
516 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
517 <celer at shell.scrypt.net>)
518 - added pixel format conversion layer (e.g. for MJPEG or PPM)
519 - added deinterlacing option
521 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
522 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
523 - Windows porting of file converter
524 - added MJPEG raw format (input/ouput)
525 - added JPEG image format support (input/output)
530 - fixed some std header definitions (Bjorn Lindgren
531 <bjorn.e.lindgren at telia.com>).
532 - added MPEG demuxer (MPEG-1 and 2 compatible).
534 - added prototype RM demuxer
535 - added AC3 decoding (done with libac3 by Aaron Holtzman)
536 - added decoding codec parameter guessing (.e.g. for MPEG, because the
537 header does not include them)
538 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
539 play them (only tested video)
540 - fixed H.263 white bug
541 - fixed phase rounding in img resample filter
542 - add MMX code for polyphase img resample filter
543 - added CPU autodetection
544 - added generic title/author/copyright/comment string handling (ASF and RM
546 - added SWF demux to extract MP3 track (not usable yet because no MP3
548 - added fractional frame rate support
549 - codecs are no longer searched by read_header() (should fix ffserver
555 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
556 - fixed raw yuv output
557 - added motion rounding support in MPEG-4
558 - fixed motion bug rounding in MSMPEG4
559 - added B-frame handling in video core
560 - added full MPEG-1 decoding support
561 - added partial (frame only) MPEG-2 support
562 - changed the FOURCC code for H.263 to "U263" to be able to see the
563 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
564 this +codec ;) (JuanJo).
565 - Halfpel motion estimation after MB type selection (JuanJo)
566 - added pgm and .Y.U.V output format
567 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
569 - added pgmpipe I/O format (original patch from Martin Aumueller
570 <lists at reserv.at>, but changed completely since we use a format
571 instead of a protocol)
576 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
577 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
578 missing. MSMPEG4 support is complete.
579 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
580 can decode ffmpeg MPEGs :-)).
581 - added libavcodec API documentation (see apiexample.c).
582 - fixed image polyphase bug (the bottom of some images could be
584 - added support for non clipped motion vectors (decoding only)
585 and image sizes non-multiple of 16
586 - added support for AC prediction (decoding only)
587 - added file overwrite confirmation (can be disabled with -y)
588 - added custom size picture to H.263 using H.263+ (Juanjo)
593 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
594 of AVI and ASF to DIV3.
595 - added -me option to set motion estimation method
596 (default=log). suppressed redundant -hq option.
597 - added options -acodec and -vcodec to force a given codec (useful for
600 - improved dct_quantize speed
601 - factorized some motion estimation code
606 - removing grab code from ffserver and moved it to ffmpeg. Added
607 multistream support to ffmpeg.
608 - added timeshifting support for live feeds (option ?date=xxx in the
610 - added high quality image resize code with polyphase filter (need
611 mmx/see optimization). Enable multiple image size support in ffserver.
612 - added multi live feed support in ffserver
613 - suppressed master feature from ffserver (it should be done with an
614 external program which opens the .ffm url and writes it to another
616 - added preliminary support for video stream parsing (WAV and AVI half
617 done). Added proper support for audio/video file conversion in
619 - added preliminary support for video file sending from ffserver
620 - redesigning I/O subsystem: now using URL based input and output
622 - added WAV format support
623 - added "tty user interface" to ffmpeg to stop grabbing gracefully
624 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
625 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
626 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
627 - added new motion estimation algorithms, log and phods (Juanjo)
628 - changed directories: libav for format handling, libavcodec for
634 - added stereo in MPEG audio encoder
639 - added 'high quality' mode which use motion vectors. It can be used in
640 real time at low resolution.
641 - fixed rounding problems which caused quality problems at high
642 bitrates and large GOP size
645 version 0.3.2: small fixes
651 version 0.3.1: added avi/divx support
654 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
655 - added sound for flash format (not tested)
658 version 0.3: initial public release