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 - Linux framebuffer input device added
82 - Apple HTTP Live Streaming protocol handler
87 - PB-frame decoding for H.263
88 - deprecated vhook subsystem removed
89 - deprecated old scaler removed
91 - Alpha channel scaler
93 - RTP packetization of H.263
94 - RTP packetization of AMR
95 - RTP depacketization of Vorbis
96 - CorePNG decoding support
97 - Cook multichannel decoding support
98 - introduced avlanguage helpers in libavformat
99 - 8088flex TMV demuxer and decoder
100 - per-stream language-tags extraction in asfdec
101 - V210 decoder and encoder
102 - remaining GPL parts in AC-3 decoder converted to LGPL
104 - SoX native format muxer and demuxer
105 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
107 - Electronic Arts Madcow decoder
108 - DivX (XSUB) subtitle encoder
109 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
110 - experimental AAC encoder
111 - RTP depacketization of ASF and RTSP from WMS servers
112 - RTMP support in libavformat
113 - noX handling for OPT_BOOL X options
115 - IEC-61937 compatible Muxer
117 - Bluray (PGS) subtitle decoder
118 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
120 - Core Audio Format demuxer
122 - MD STUDIO audio demuxer
123 - RF64 support in WAV demuxer
124 - MPEG-4 Audio Lossless Coding (ALS) decoder
125 - -formats option split into -formats, -codecs, -bsfs, and -protocols
127 - CDG demuxer and decoder
129 - Auravision Aura 1 and 2 decoders
130 - Deluxe Paint Animation playback system
132 - Adobe Filmstrip muxer and demuxer
133 - RTP depacketization of H.263
134 - Bink demuxer and audio/video decoders
135 - enable symbol versioning by default for linkers that support it
136 - IFF PBM/ILBM bitmap decoder
139 - RTP depacketization of AMR
145 - Kega Game Video (KGV1) decoder
146 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
147 - RTP depacketization of Theora
148 - HTTP Digest authentication
149 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
150 - Psygnosis YOP demuxer and video decoder
151 - spectral extension support in the E-AC-3 decoder
152 - unsharp video filter
153 - RTP hinting in the mov/3gp/mp4 muxer
154 - Dirac in Ogg demuxing
155 - seek to keyframes in Ogg
156 - 4:2:2 and 4:4:4 Theora decoding
157 - 35% faster VP3/Theora decoding
158 - faster AAC decoding
159 - faster H.264 decoding
160 - RealAudio 1.0 (14.4K) encoder
165 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
166 - TechSmith Camtasia (TSCC) video decoder
167 - IBM Ultimotion (ULTI) video decoder
168 - Sierra Online audio file demuxer and decoder
169 - Apple QuickDraw (qdrw) video decoder
170 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
171 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
172 - Miro VideoXL (VIXL) video decoder
173 - H.261 video encoder
175 - Nullsoft Video (NSV) file demuxer
176 - Shorten audio decoder
178 - Apple Lossless Audio Codec (ALAC) decoder
179 - Winnov WNV1 video decoder
180 - Autodesk Animator Studio Codec (AASC) decoder
181 - Indeo 2 video decoder
182 - Fraps FPS1 video decoder
183 - Snow video encoder/decoder
184 - Sonic audio encoder/decoder
185 - Vorbis audio decoder
186 - Macromedia ADPCM decoder
187 - Duck TrueMotion 2 video decoder
188 - support for decoding FLX and DTA extensions in FLIC files
189 - H.264 custom quantization matrices support
190 - ffserver fixed, it should now be usable again
192 - Real Cooker audio decoder
193 - TrueSpeech audio decoder
194 - WMA2 audio decoder fixed, now all files should play correctly
195 - RealAudio 14.4 and 28.8 decoders fixed
197 - build system improvements
198 - tabs and trailing whitespace removed from the codebase
199 - CamStudio video decoder
200 - AIFF/AIFF-C audio format, encoding and decoding
201 - ADTS AAC file reading and writing
202 - Creative VOC file reading and writing
203 - American Laser Games multimedia (*.mm) playback system
204 - Zip Motion Blocks Video decoder
205 - improved Theora/VP3 decoder
206 - True Audio (TTA) decoder
207 - AVS demuxer and video decoder
209 - Smacker demuxer and decoder
210 - NuppelVideo/MythTV demuxer and RTjpeg decoder
212 - MPEG-2 intra VLC support
213 - MPEG-2 4:2:2 encoder
214 - Flash Screen Video decoder
216 - Chinese AVS decoder
219 - VC-1/WMV3/WMV9 video decoder
222 - VMware video decoder
225 - WavPack lossless audio decoder
226 - Targa (.TGA) picture decoder
227 - Vorbis audio encoder
228 - Delphine Software .cin demuxer/audio and video decoder
229 - Tiertex .seq demuxer/video decoder
231 - TIFF picture encoder and decoder
232 - GIF picture decoder
233 - Intel Music Coder decoder
234 - Zip Motion Blocks Video encoder
236 - Flash Screen Video encoder
237 - Theora encoding via libtheora
240 - GSM-MS encoder and decoder
242 - DXA demuxer and decoder
244 - Gamecube movie (.THP) playback system
245 - Blackfin optimizations
246 - Interplay C93 demuxer and video decoder
247 - Bethsoft VID demuxer and video decoder
250 - V.Flash PTX decoder
251 - RoQ muxer, RoQ audio encoder
252 - Renderware TXD demuxer and decoder
253 - extern C declarations for C++ removed from headers
254 - sws_flags command line option
258 - OS/2 support removed and restored again
261 - additional SPARC (VIS) optimizations
263 - slice-based parallel H.264 decoding
264 - Monkey's Audio demuxer and decoder
265 - AMV audio and video decoder
267 - H.264 PAFF decoding
268 - Nellymoser ASAO decoder
269 - Beam Software SIFF demuxer and decoder
270 - libvorbis Vorbis decoding removed in favor of native decoder
271 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
272 - Ogg (Theora, Vorbis and FLAC) muxer
273 - The "device" muxers and demuxers are now in a new libavdevice library
274 - PC Paintbrush PCX decoder
275 - Sun Rasterfile decoder
276 - TechnoTrend PVA demuxer
277 - Linux Media Labs MPEG-4 (LMLM4) demuxer
278 - AVM2 (Flash 9) SWF muxer
279 - QT variant of IMA ADPCM encoder
281 - iPod/iPhone compatible mp4 muxer
283 - MSN TCP Webcam stream demuxer
284 - RL2 demuxer / decoder
287 - non-recursive Makefiles
289 - MAXIS EA XA (.xa) demuxer / decoder
293 - Electronic Arts CMV decoder
294 - Motion Pixels Video decoder
295 - Motion Pixels MVI demuxer
296 - removed animated GIF decoder/demuxer
297 - D-Cinema audio muxer
298 - Electronic Arts TGV decoder
299 - Apple Lossless Audio Codec (ALAC) encoder
301 - floating point PCM encoder/decoder
303 - DV100 AKA DVCPRO HD decoder and demuxer
304 - E-AC-3 support added to AC-3 decoder
305 - Nellymoser ASAO encoder
306 - ASS and SSA demuxer and muxer
307 - liba52 wrapper removed
308 - SVQ3 watermark decoding support
309 - Speex decoding via libspeex
310 - Electronic Arts TGQ decoder
312 - QCELP / PureVoice decoder
314 - hybrid WavPack support
315 - R3D REDCODE demuxer
316 - ALSA support for playback and record
317 - Electronic Arts TQI decoder
318 - OpenJPEG based JPEG 2000 decoder
319 - NC (NC4600) camera file demuxer
320 - Gopher client support
322 - generic metadata API
327 - DV encoder, DV muxer
328 - Microsoft RLE video decoder
329 - Microsoft Video-1 decoder
330 - Apple Animation (RLE) decoder
331 - Apple Graphics (SMC) decoder
332 - Apple Video (RPZA) decoder
334 - Sega FILM (CPK) file demuxer
335 - Westwood multimedia support (VQA & AUD files)
336 - Id Quake II CIN playback support
338 - FLIC playback support
339 - RealVideo 2.0 (RV20) decoder
340 - Duck TrueMotion v1 (DUCK) video decoder
341 - Sierra VMD demuxer and video decoder
342 - MSZH and ZLIB decoder support
346 - rate distortion optimal cbp support
347 - rate distorted optimal ac prediction for MPEG-4
348 - rate distorted optimal lambda->qp support
349 - AAC encoding with libfaac
350 - Sunplus JPEG codec (SP5X) support
351 - use Lagrange multipler instead of QP for ratecontrol
352 - Theora/VP3 decoding support
353 - XA and ADX ADPCM codecs
354 - export MPEG-2 active display area / pan scan
355 - Add support for configuring with IBM XLC
356 - floating point AAN DCT
357 - initial support for zygo video (not complete)
359 - new audio/video parser API
361 - av_read_frame() and av_seek_frame() support
362 - missing last frame fixes
363 - seek by mouse in ffplay
364 - noise reduction of DCT coefficients
365 - H.263 OBMC & 4MV support
366 - H.263 alternative inter vlc support
368 - H.263 slice structured mode
369 - interlaced DCT support for MPEG-2 encoding
370 - stuffing to stay above min_bitrate
371 - MB type & QP visualization
372 - frame stepping for ffplay
373 - interlaced motion estimation
374 - alternate scantable support
375 - SVCD scan offset support
378 - quantizer noise shaping
379 - G.726 ADPCM audio codec
381 - multithreaded/SMP motion estimation
382 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
383 - multithreaded/SMP decoding for MPEG-2
385 - Metrowerks CodeWarrior suppport
386 - H.263+ custom pcf support
387 - nicer output for 'ffmpeg -formats'
389 - SGI image format, encoding and decoding
390 - H.264 loop filter support
391 - H.264 CABAC support
392 - nicer looking arrows for the motion vector visualization
393 - improved VCD support
394 - audio timestamp drift compensation
395 - MPEG-2 YUV 422/444 support
396 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
397 - better image scaling
399 - correctly interleave packets during encoding
400 - VIS optimized motion compensation
401 - intra_dc_precision>0 encoding support
402 - support reuse of motion vectors/MB types/field select values of the source video
403 - more accurate deblock filter
405 - many optimizations and bugfixes
406 - FunCom ISS audio file demuxer and according ADPCM decoding
411 - MPEG-2 video encoding (Michael)
412 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
413 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
415 - Xan DPCM audio decoder (Mario Brito)
416 - Interplay MVE playback subsystem (Mike Melanson)
417 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
422 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
423 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
424 - current version now also compiles with older GCC (Fabrice)
425 - 4X multimedia playback system including 4xm file demuxer (Mike
426 Melanson), and 4X video and audio codecs (Michael)
427 - Creative YUV (CYUV) decoder (Mike Melanson)
428 - FFV1 codec (our very simple lossless intra only codec, compresses much better
429 than HuffYUV) (Michael)
430 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
431 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
432 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
433 - ffplay has been replaced with a newer version which uses SDL (optionally)
434 for multiplatform support (Fabrice)
435 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
437 - AMR format has been added (Johannes Carlsson)
438 - 3GP support has been added (Johannes Carlsson)
439 - VP3 codec has been added (Mike Melanson)
440 - more MPEG-1/2 fixes
441 - better multiplatform support, MS Visual Studio fixes (various)
442 - AltiVec optimizations (Magnus Damn and others)
443 - SH4 processor support has been added (BERO)
444 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
445 - VOB streaming support (Brian Foley)
446 - better MP3 autodetection (Andriy Rysin)
447 - qpel encoding (Michael)
448 - 4mv+b frames encoding finally fixed (Michael)
449 - chroma ME (Michael)
450 - 5 comparison functions for ME (Michael)
451 - B-frame encoding speedup (Michael)
452 - WMV2 codec (unfinished - Michael)
453 - user specified diamond size for EPZS (Michael)
454 - Playstation STR playback subsystem, still experimental (Mike and Michael)
455 - ASV2 codec (Michael)
456 - CLJR decoder (Alex)
458 .. And lots more new enhancements and fixes.
463 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
465 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
466 - fix quantization bug in AC3 encoder
467 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
468 - added prototype ffplay program
469 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
470 - bug fix on MCBPC tables of H.263 (Juanjo)
471 - bug fix on DC coefficients of H.263 (Juanjo)
472 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
473 - now we can decode H.263 streams found in QuickTime files (Juanjo)
474 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
475 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
476 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
477 - now H.263 picture size is returned on the first decoded frame (Juanjo)
478 - added first regression tests
479 - added MPEG-2 TS demuxer
480 - new demux API for libav
481 - more accurate and faster IDCT (Michael)
482 - faster and entropy-controlled motion search (Michael)
483 - two pass video encoding (Michael)
484 - new video rate control (Michael)
485 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
486 - great performance improvement of video encoders and decoders (Michael)
487 - new and faster bit readers and vlc parsers (Michael)
488 - high quality encoding mode: tries all macroblock/VLC types (Michael)
489 - added DV video decoder
490 - preliminary RTP/RTSP support in ffserver and libavformat
491 - H.263+ AIC decoding/encoding support (Juanjo)
492 - VCD MPEG-PS mode (Juanjo)
493 - PSNR stuff (Juanjo)
494 - simple stats output (Juanjo)
495 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
500 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
501 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
502 - added configure system (actually a small shell script)
503 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
504 Michael Hipp (temporary solution - waiting for integer only
506 - fixed VIDIOCSYNC interrupt
507 - added Intel H.263 decoding support ('I263' AVI fourCC)
508 - added Real Video 1.0 decoding (needs further testing)
509 - simplified image formats again. Added PGM format (=grey
510 pgm). Renamed old PGM to PGMYUV.
511 - fixed msmpeg4 slice issues (tell me if you still find problems)
512 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
513 - added support for MPlayer interface
514 - added macroblock skip optimization
515 - added MJPEG decoder
516 - added mmx/mmxext IDCT from libmpeg2
517 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
518 <celer at shell.scrypt.net>)
519 - added pixel format conversion layer (e.g. for MJPEG or PPM)
520 - added deinterlacing option
522 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
523 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
524 - Windows porting of file converter
525 - added MJPEG raw format (input/ouput)
526 - added JPEG image format support (input/output)
531 - fixed some std header definitions (Bjorn Lindgren
532 <bjorn.e.lindgren at telia.com>).
533 - added MPEG demuxer (MPEG-1 and 2 compatible).
535 - added prototype RM demuxer
536 - added AC3 decoding (done with libac3 by Aaron Holtzman)
537 - added decoding codec parameter guessing (.e.g. for MPEG, because the
538 header does not include them)
539 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
540 play them (only tested video)
541 - fixed H.263 white bug
542 - fixed phase rounding in img resample filter
543 - add MMX code for polyphase img resample filter
544 - added CPU autodetection
545 - added generic title/author/copyright/comment string handling (ASF and RM
547 - added SWF demux to extract MP3 track (not usable yet because no MP3
549 - added fractional frame rate support
550 - codecs are no longer searched by read_header() (should fix ffserver
556 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
557 - fixed raw yuv output
558 - added motion rounding support in MPEG-4
559 - fixed motion bug rounding in MSMPEG4
560 - added B-frame handling in video core
561 - added full MPEG-1 decoding support
562 - added partial (frame only) MPEG-2 support
563 - changed the FOURCC code for H.263 to "U263" to be able to see the
564 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
565 this +codec ;) (JuanJo).
566 - Halfpel motion estimation after MB type selection (JuanJo)
567 - added pgm and .Y.U.V output format
568 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
570 - added pgmpipe I/O format (original patch from Martin Aumueller
571 <lists at reserv.at>, but changed completely since we use a format
572 instead of a protocol)
577 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
578 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
579 missing. MSMPEG4 support is complete.
580 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
581 can decode ffmpeg MPEGs :-)).
582 - added libavcodec API documentation (see apiexample.c).
583 - fixed image polyphase bug (the bottom of some images could be
585 - added support for non clipped motion vectors (decoding only)
586 and image sizes non-multiple of 16
587 - added support for AC prediction (decoding only)
588 - added file overwrite confirmation (can be disabled with -y)
589 - added custom size picture to H.263 using H.263+ (Juanjo)
594 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
595 of AVI and ASF to DIV3.
596 - added -me option to set motion estimation method
597 (default=log). suppressed redundant -hq option.
598 - added options -acodec and -vcodec to force a given codec (useful for
601 - improved dct_quantize speed
602 - factorized some motion estimation code
607 - removing grab code from ffserver and moved it to ffmpeg. Added
608 multistream support to ffmpeg.
609 - added timeshifting support for live feeds (option ?date=xxx in the
611 - added high quality image resize code with polyphase filter (need
612 mmx/see optimization). Enable multiple image size support in ffserver.
613 - added multi live feed support in ffserver
614 - suppressed master feature from ffserver (it should be done with an
615 external program which opens the .ffm url and writes it to another
617 - added preliminary support for video stream parsing (WAV and AVI half
618 done). Added proper support for audio/video file conversion in
620 - added preliminary support for video file sending from ffserver
621 - redesigning I/O subsystem: now using URL based input and output
623 - added WAV format support
624 - added "tty user interface" to ffmpeg to stop grabbing gracefully
625 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
626 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
627 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
628 - added new motion estimation algorithms, log and phods (Juanjo)
629 - changed directories: libav for format handling, libavcodec for
635 - added stereo in MPEG audio encoder
640 - added 'high quality' mode which use motion vectors. It can be used in
641 real time at low resolution.
642 - fixed rounding problems which caused quality problems at high
643 bitrates and large GOP size
646 version 0.3.2: small fixes
652 version 0.3.1: added avi/divx support
655 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
656 - added sound for flash format (not tested)
659 version 0.3: initial public release