1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
7 - Lots of deprecated API cruft removed
12 - WebM support in Matroska de/muxer
13 - low overhead Ogg muxing
15 - VP8 de/encoding via libvpx
16 - Demuxer for On2's IVF format
17 - Pictor/PC Paint decoder
19 - libfaad2 wrapper removed
20 - DTS-ES extension (XCh) decoding support
22 - RTSP tunneling over HTTP
23 - RTP depacketization of SVQ3
24 - -strict inofficial replaced by -strict unofficial
25 - ffplay -exitonkeydown and -exitonmousedown options added
26 - native GSM / GSM MS decoder
27 - RTP depacketization of QDM2
28 - ANSI/ASCII art playback system
29 - Lego Mindstorms RSO de/muxer
31 - SubRip subtitle file muxer and demuxer
32 - Chinese AVS encoding via libxavs
33 - ffprobe -show_packets option added
34 - RTP packetization of Theora and Vorbis
35 - RTP depacketization of MP4A-LATM
36 - RTP packetization and depacketization of VP8
38 - Apple HTTP Live Streaming demuxer
41 - G.722 ADPCM audio encoder/decoder
44 - frei0r wrapper filter
45 - change crop filter syntax to width:height:x:y
46 - make the crop filter accept parametric expressions
47 - make ffprobe accept AVFormatContext options
50 - Demuxer for Leitch/Harris' VR native stream format (LXF)
51 - RTP depacketization of the X-QT QuickTime format
52 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
54 - ffmpeg -crop* options removed
55 - transpose filter added
56 - ffmpeg -force_key_frames option added
57 - demuxer for receiving raw rtp:// URLs without an SDP description
58 - single stream LATM/LOAS decoder
60 - Win64 support for optimized asm functions
61 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
62 - ASS subtitle encoder and decoder
63 - IEC 61937 encapsulation for E-AC3, TrueHD, DTS-HD (for HDMI passthrough)
64 - overlay filter added
65 - rename aspect filter to setdar, and pixelaspect to setsar
67 - Mobotix .mxg demuxer
70 - RTP depacketization of QCELP
72 - gradfun filter added
74 - replace the ocv_smooth filter with a more generic ocv filter
75 - Windows Televison (WTV) demuxer
76 - FFmpeg metadata format muxer and demuxer
77 - SubRip (srt) subtitle decoder
78 - floating-point AC-3 encoder added
80 - ffmpeg -copytb option added
82 - Wing Commander IV movies decoder added
84 - Bink version 'b' audio and video decoder
85 - Bitmap Brothers JV playback system
86 - Apple HTTP Live Streaming protocol handler
87 - sndio support for playback and record
88 - Linux framebuffer input device added
89 - Chronomaster DFA decoder
90 - Mobotix MxPEG decoder
91 - AAC encoding via libvo-aacenc
92 - AMR-WB encoding via libvo-amrwbenc
98 - PB-frame decoding for H.263
99 - deprecated vhook subsystem removed
100 - deprecated old scaler removed
102 - Alpha channel scaler
104 - RTP packetization of H.263
105 - RTP packetization of AMR
106 - RTP depacketization of Vorbis
107 - CorePNG decoding support
108 - Cook multichannel decoding support
109 - introduced avlanguage helpers in libavformat
110 - 8088flex TMV demuxer and decoder
111 - per-stream language-tags extraction in asfdec
112 - V210 decoder and encoder
113 - remaining GPL parts in AC-3 decoder converted to LGPL
115 - SoX native format muxer and demuxer
116 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
118 - Electronic Arts Madcow decoder
119 - DivX (XSUB) subtitle encoder
120 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
121 - experimental AAC encoder
122 - RTP depacketization of ASF and RTSP from WMS servers
123 - RTMP support in libavformat
124 - noX handling for OPT_BOOL X options
126 - IEC-61937 compatible Muxer
128 - Bluray (PGS) subtitle decoder
129 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
131 - Core Audio Format demuxer
133 - MD STUDIO audio demuxer
134 - RF64 support in WAV demuxer
135 - MPEG-4 Audio Lossless Coding (ALS) decoder
136 - -formats option split into -formats, -codecs, -bsfs, and -protocols
138 - CDG demuxer and decoder
140 - Auravision Aura 1 and 2 decoders
141 - Deluxe Paint Animation playback system
143 - Adobe Filmstrip muxer and demuxer
144 - RTP depacketization of H.263
145 - Bink demuxer and audio/video decoders
146 - enable symbol versioning by default for linkers that support it
147 - IFF PBM/ILBM bitmap decoder
150 - RTP depacketization of AMR
156 - Kega Game Video (KGV1) decoder
157 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
158 - RTP depacketization of Theora
159 - HTTP Digest authentication
160 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
161 - Psygnosis YOP demuxer and video decoder
162 - spectral extension support in the E-AC-3 decoder
163 - unsharp video filter
164 - RTP hinting in the mov/3gp/mp4 muxer
165 - Dirac in Ogg demuxing
166 - seek to keyframes in Ogg
167 - 4:2:2 and 4:4:4 Theora decoding
168 - 35% faster VP3/Theora decoding
169 - faster AAC decoding
170 - faster H.264 decoding
171 - RealAudio 1.0 (14.4K) encoder
176 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
177 - TechSmith Camtasia (TSCC) video decoder
178 - IBM Ultimotion (ULTI) video decoder
179 - Sierra Online audio file demuxer and decoder
180 - Apple QuickDraw (qdrw) video decoder
181 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
182 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
183 - Miro VideoXL (VIXL) video decoder
184 - H.261 video encoder
186 - Nullsoft Video (NSV) file demuxer
187 - Shorten audio decoder
189 - Apple Lossless Audio Codec (ALAC) decoder
190 - Winnov WNV1 video decoder
191 - Autodesk Animator Studio Codec (AASC) decoder
192 - Indeo 2 video decoder
193 - Fraps FPS1 video decoder
194 - Snow video encoder/decoder
195 - Sonic audio encoder/decoder
196 - Vorbis audio decoder
197 - Macromedia ADPCM decoder
198 - Duck TrueMotion 2 video decoder
199 - support for decoding FLX and DTA extensions in FLIC files
200 - H.264 custom quantization matrices support
201 - ffserver fixed, it should now be usable again
203 - Real Cooker audio decoder
204 - TrueSpeech audio decoder
205 - WMA2 audio decoder fixed, now all files should play correctly
206 - RealAudio 14.4 and 28.8 decoders fixed
208 - build system improvements
209 - tabs and trailing whitespace removed from the codebase
210 - CamStudio video decoder
211 - AIFF/AIFF-C audio format, encoding and decoding
212 - ADTS AAC file reading and writing
213 - Creative VOC file reading and writing
214 - American Laser Games multimedia (*.mm) playback system
215 - Zip Motion Blocks Video decoder
216 - improved Theora/VP3 decoder
217 - True Audio (TTA) decoder
218 - AVS demuxer and video decoder
220 - Smacker demuxer and decoder
221 - NuppelVideo/MythTV demuxer and RTjpeg decoder
223 - MPEG-2 intra VLC support
224 - MPEG-2 4:2:2 encoder
225 - Flash Screen Video decoder
227 - Chinese AVS decoder
230 - VC-1/WMV3/WMV9 video decoder
233 - VMware video decoder
236 - WavPack lossless audio decoder
237 - Targa (.TGA) picture decoder
238 - Vorbis audio encoder
239 - Delphine Software .cin demuxer/audio and video decoder
240 - Tiertex .seq demuxer/video decoder
242 - TIFF picture encoder and decoder
243 - GIF picture decoder
244 - Intel Music Coder decoder
245 - Zip Motion Blocks Video encoder
247 - Flash Screen Video encoder
248 - Theora encoding via libtheora
251 - GSM-MS encoder and decoder
253 - DXA demuxer and decoder
255 - Gamecube movie (.THP) playback system
256 - Blackfin optimizations
257 - Interplay C93 demuxer and video decoder
258 - Bethsoft VID demuxer and video decoder
261 - V.Flash PTX decoder
262 - RoQ muxer, RoQ audio encoder
263 - Renderware TXD demuxer and decoder
264 - extern C declarations for C++ removed from headers
265 - sws_flags command line option
269 - OS/2 support removed and restored again
272 - additional SPARC (VIS) optimizations
274 - slice-based parallel H.264 decoding
275 - Monkey's Audio demuxer and decoder
276 - AMV audio and video decoder
278 - H.264 PAFF decoding
279 - Nellymoser ASAO decoder
280 - Beam Software SIFF demuxer and decoder
281 - libvorbis Vorbis decoding removed in favor of native decoder
282 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
283 - Ogg (Theora, Vorbis and FLAC) muxer
284 - The "device" muxers and demuxers are now in a new libavdevice library
285 - PC Paintbrush PCX decoder
286 - Sun Rasterfile decoder
287 - TechnoTrend PVA demuxer
288 - Linux Media Labs MPEG-4 (LMLM4) demuxer
289 - AVM2 (Flash 9) SWF muxer
290 - QT variant of IMA ADPCM encoder
292 - iPod/iPhone compatible mp4 muxer
294 - MSN TCP Webcam stream demuxer
295 - RL2 demuxer / decoder
298 - non-recursive Makefiles
300 - MAXIS EA XA (.xa) demuxer / decoder
304 - Electronic Arts CMV decoder
305 - Motion Pixels Video decoder
306 - Motion Pixels MVI demuxer
307 - removed animated GIF decoder/demuxer
308 - D-Cinema audio muxer
309 - Electronic Arts TGV decoder
310 - Apple Lossless Audio Codec (ALAC) encoder
312 - floating point PCM encoder/decoder
314 - DV100 AKA DVCPRO HD decoder and demuxer
315 - E-AC-3 support added to AC-3 decoder
316 - Nellymoser ASAO encoder
317 - ASS and SSA demuxer and muxer
318 - liba52 wrapper removed
319 - SVQ3 watermark decoding support
320 - Speex decoding via libspeex
321 - Electronic Arts TGQ decoder
323 - QCELP / PureVoice decoder
325 - hybrid WavPack support
326 - R3D REDCODE demuxer
327 - ALSA support for playback and record
328 - Electronic Arts TQI decoder
329 - OpenJPEG based JPEG 2000 decoder
330 - NC (NC4600) camera file demuxer
331 - Gopher client support
333 - generic metadata API
338 - DV encoder, DV muxer
339 - Microsoft RLE video decoder
340 - Microsoft Video-1 decoder
341 - Apple Animation (RLE) decoder
342 - Apple Graphics (SMC) decoder
343 - Apple Video (RPZA) decoder
345 - Sega FILM (CPK) file demuxer
346 - Westwood multimedia support (VQA & AUD files)
347 - Id Quake II CIN playback support
349 - FLIC playback support
350 - RealVideo 2.0 (RV20) decoder
351 - Duck TrueMotion v1 (DUCK) video decoder
352 - Sierra VMD demuxer and video decoder
353 - MSZH and ZLIB decoder support
357 - rate distortion optimal cbp support
358 - rate distorted optimal ac prediction for MPEG-4
359 - rate distorted optimal lambda->qp support
360 - AAC encoding with libfaac
361 - Sunplus JPEG codec (SP5X) support
362 - use Lagrange multipler instead of QP for ratecontrol
363 - Theora/VP3 decoding support
364 - XA and ADX ADPCM codecs
365 - export MPEG-2 active display area / pan scan
366 - Add support for configuring with IBM XLC
367 - floating point AAN DCT
368 - initial support for zygo video (not complete)
370 - new audio/video parser API
372 - av_read_frame() and av_seek_frame() support
373 - missing last frame fixes
374 - seek by mouse in ffplay
375 - noise reduction of DCT coefficients
376 - H.263 OBMC & 4MV support
377 - H.263 alternative inter vlc support
379 - H.263 slice structured mode
380 - interlaced DCT support for MPEG-2 encoding
381 - stuffing to stay above min_bitrate
382 - MB type & QP visualization
383 - frame stepping for ffplay
384 - interlaced motion estimation
385 - alternate scantable support
386 - SVCD scan offset support
389 - quantizer noise shaping
390 - G.726 ADPCM audio codec
392 - multithreaded/SMP motion estimation
393 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
394 - multithreaded/SMP decoding for MPEG-2
396 - Metrowerks CodeWarrior suppport
397 - H.263+ custom pcf support
398 - nicer output for 'ffmpeg -formats'
400 - SGI image format, encoding and decoding
401 - H.264 loop filter support
402 - H.264 CABAC support
403 - nicer looking arrows for the motion vector visualization
404 - improved VCD support
405 - audio timestamp drift compensation
406 - MPEG-2 YUV 422/444 support
407 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
408 - better image scaling
410 - correctly interleave packets during encoding
411 - VIS optimized motion compensation
412 - intra_dc_precision>0 encoding support
413 - support reuse of motion vectors/MB types/field select values of the source video
414 - more accurate deblock filter
416 - many optimizations and bugfixes
417 - FunCom ISS audio file demuxer and according ADPCM decoding
422 - MPEG-2 video encoding (Michael)
423 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
424 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
426 - Xan DPCM audio decoder (Mario Brito)
427 - Interplay MVE playback subsystem (Mike Melanson)
428 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
433 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
434 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
435 - current version now also compiles with older GCC (Fabrice)
436 - 4X multimedia playback system including 4xm file demuxer (Mike
437 Melanson), and 4X video and audio codecs (Michael)
438 - Creative YUV (CYUV) decoder (Mike Melanson)
439 - FFV1 codec (our very simple lossless intra only codec, compresses much better
440 than HuffYUV) (Michael)
441 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
442 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
443 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
444 - ffplay has been replaced with a newer version which uses SDL (optionally)
445 for multiplatform support (Fabrice)
446 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
448 - AMR format has been added (Johannes Carlsson)
449 - 3GP support has been added (Johannes Carlsson)
450 - VP3 codec has been added (Mike Melanson)
451 - more MPEG-1/2 fixes
452 - better multiplatform support, MS Visual Studio fixes (various)
453 - AltiVec optimizations (Magnus Damn and others)
454 - SH4 processor support has been added (BERO)
455 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
456 - VOB streaming support (Brian Foley)
457 - better MP3 autodetection (Andriy Rysin)
458 - qpel encoding (Michael)
459 - 4mv+b frames encoding finally fixed (Michael)
460 - chroma ME (Michael)
461 - 5 comparison functions for ME (Michael)
462 - B-frame encoding speedup (Michael)
463 - WMV2 codec (unfinished - Michael)
464 - user specified diamond size for EPZS (Michael)
465 - Playstation STR playback subsystem, still experimental (Mike and Michael)
466 - ASV2 codec (Michael)
467 - CLJR decoder (Alex)
469 .. And lots more new enhancements and fixes.
474 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
476 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
477 - fix quantization bug in AC3 encoder
478 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
479 - added prototype ffplay program
480 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
481 - bug fix on MCBPC tables of H.263 (Juanjo)
482 - bug fix on DC coefficients of H.263 (Juanjo)
483 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
484 - now we can decode H.263 streams found in QuickTime files (Juanjo)
485 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
486 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
487 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
488 - now H.263 picture size is returned on the first decoded frame (Juanjo)
489 - added first regression tests
490 - added MPEG-2 TS demuxer
491 - new demux API for libav
492 - more accurate and faster IDCT (Michael)
493 - faster and entropy-controlled motion search (Michael)
494 - two pass video encoding (Michael)
495 - new video rate control (Michael)
496 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
497 - great performance improvement of video encoders and decoders (Michael)
498 - new and faster bit readers and vlc parsers (Michael)
499 - high quality encoding mode: tries all macroblock/VLC types (Michael)
500 - added DV video decoder
501 - preliminary RTP/RTSP support in ffserver and libavformat
502 - H.263+ AIC decoding/encoding support (Juanjo)
503 - VCD MPEG-PS mode (Juanjo)
504 - PSNR stuff (Juanjo)
505 - simple stats output (Juanjo)
506 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
511 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
512 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
513 - added configure system (actually a small shell script)
514 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
515 Michael Hipp (temporary solution - waiting for integer only
517 - fixed VIDIOCSYNC interrupt
518 - added Intel H.263 decoding support ('I263' AVI fourCC)
519 - added Real Video 1.0 decoding (needs further testing)
520 - simplified image formats again. Added PGM format (=grey
521 pgm). Renamed old PGM to PGMYUV.
522 - fixed msmpeg4 slice issues (tell me if you still find problems)
523 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
524 - added support for MPlayer interface
525 - added macroblock skip optimization
526 - added MJPEG decoder
527 - added mmx/mmxext IDCT from libmpeg2
528 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
529 <celer at shell.scrypt.net>)
530 - added pixel format conversion layer (e.g. for MJPEG or PPM)
531 - added deinterlacing option
533 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
534 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
535 - Windows porting of file converter
536 - added MJPEG raw format (input/ouput)
537 - added JPEG image format support (input/output)
542 - fixed some std header definitions (Bjorn Lindgren
543 <bjorn.e.lindgren at telia.com>).
544 - added MPEG demuxer (MPEG-1 and 2 compatible).
546 - added prototype RM demuxer
547 - added AC3 decoding (done with libac3 by Aaron Holtzman)
548 - added decoding codec parameter guessing (.e.g. for MPEG, because the
549 header does not include them)
550 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
551 play them (only tested video)
552 - fixed H.263 white bug
553 - fixed phase rounding in img resample filter
554 - add MMX code for polyphase img resample filter
555 - added CPU autodetection
556 - added generic title/author/copyright/comment string handling (ASF and RM
558 - added SWF demux to extract MP3 track (not usable yet because no MP3
560 - added fractional frame rate support
561 - codecs are no longer searched by read_header() (should fix ffserver
567 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
568 - fixed raw yuv output
569 - added motion rounding support in MPEG-4
570 - fixed motion bug rounding in MSMPEG4
571 - added B-frame handling in video core
572 - added full MPEG-1 decoding support
573 - added partial (frame only) MPEG-2 support
574 - changed the FOURCC code for H.263 to "U263" to be able to see the
575 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
576 this +codec ;) (JuanJo).
577 - Halfpel motion estimation after MB type selection (JuanJo)
578 - added pgm and .Y.U.V output format
579 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
581 - added pgmpipe I/O format (original patch from Martin Aumueller
582 <lists at reserv.at>, but changed completely since we use a format
583 instead of a protocol)
588 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
589 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
590 missing. MSMPEG4 support is complete.
591 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
592 can decode ffmpeg MPEGs :-)).
593 - added libavcodec API documentation (see apiexample.c).
594 - fixed image polyphase bug (the bottom of some images could be
596 - added support for non clipped motion vectors (decoding only)
597 and image sizes non-multiple of 16
598 - added support for AC prediction (decoding only)
599 - added file overwrite confirmation (can be disabled with -y)
600 - added custom size picture to H.263 using H.263+ (Juanjo)
605 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
606 of AVI and ASF to DIV3.
607 - added -me option to set motion estimation method
608 (default=log). suppressed redundant -hq option.
609 - added options -acodec and -vcodec to force a given codec (useful for
612 - improved dct_quantize speed
613 - factorized some motion estimation code
618 - removing grab code from ffserver and moved it to ffmpeg. Added
619 multistream support to ffmpeg.
620 - added timeshifting support for live feeds (option ?date=xxx in the
622 - added high quality image resize code with polyphase filter (need
623 mmx/see optimization). Enable multiple image size support in ffserver.
624 - added multi live feed support in ffserver
625 - suppressed master feature from ffserver (it should be done with an
626 external program which opens the .ffm url and writes it to another
628 - added preliminary support for video stream parsing (WAV and AVI half
629 done). Added proper support for audio/video file conversion in
631 - added preliminary support for video file sending from ffserver
632 - redesigning I/O subsystem: now using URL based input and output
634 - added WAV format support
635 - added "tty user interface" to ffmpeg to stop grabbing gracefully
636 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
637 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
638 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
639 - added new motion estimation algorithms, log and phods (Juanjo)
640 - changed directories: libav for format handling, libavcodec for
646 - added stereo in MPEG audio encoder
651 - added 'high quality' mode which use motion vectors. It can be used in
652 real time at low resolution.
653 - fixed rounding problems which caused quality problems at high
654 bitrates and large GOP size
657 version 0.3.2: small fixes
663 version 0.3.1: added avi/divx support
666 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
667 - added sound for flash format (not tested)
670 version 0.3: initial public release