1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
7 - many many things we forgot because we rather write code than changelogs
8 - libmpcodecs video filter support (3 times as many filters than before)
9 - mpeg2 aspect ratio dection fixed
10 - libxvid aspect pickiness fixed
11 - Frame multithreaded decoding
12 - Lots of deprecated API cruft removed
17 - WebM support in Matroska de/muxer
18 - low overhead Ogg muxing
20 - VP8 de/encoding via libvpx
21 - Demuxer for On2's IVF format
22 - Pictor/PC Paint decoder
24 - libfaad2 wrapper removed
25 - DTS-ES extension (XCh) decoding support
27 - RTSP tunneling over HTTP
28 - RTP depacketization of SVQ3
29 - -strict inofficial replaced by -strict unofficial
30 - ffplay -exitonkeydown and -exitonmousedown options added
31 - native GSM / GSM MS decoder
32 - RTP depacketization of QDM2
33 - ANSI/ASCII art playback system
34 - Lego Mindstorms RSO de/muxer
36 - SubRip subtitle file muxer and demuxer
37 - Chinese AVS encoding via libxavs
38 - ffprobe -show_packets option added
39 - RTP packetization of Theora and Vorbis
40 - RTP depacketization of MP4A-LATM
41 - RTP packetization and depacketization of VP8
43 - Apple HTTP Live Streaming demuxer
46 - G.722 ADPCM audio encoder/decoder
49 - frei0r wrapper filter
50 - change crop filter syntax to width:height:x:y
51 - make the crop filter accept parametric expressions
52 - make ffprobe accept AVFormatContext options
55 - Demuxer for Leitch/Harris' VR native stream format (LXF)
56 - RTP depacketization of the X-QT QuickTime format
57 - SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
59 - ffmpeg -crop* options removed
60 - transpose filter added
61 - ffmpeg -force_key_frames option added
62 - demuxer for receiving raw rtp:// URLs without an SDP description
63 - single stream LATM/LOAS decoder
65 - Win64 support for optimized asm functions
66 - MJPEG/AVI1 to JPEG/JFIF bitstream filter
67 - ASS subtitle encoder and decoder
68 - IEC 61937 encapsulation for E-AC3, TrueHD, DTS-HD (for HDMI passthrough)
69 - overlay filter added
70 - rename aspect filter to setdar, and pixelaspect to setsar
72 - Mobotix .mxg demuxer
75 - RTP depacketization of QCELP
77 - gradfun filter added
79 - replace the ocv_smooth filter with a more generic ocv filter
80 - Windows Televison (WTV) demuxer
81 - FFmpeg metadata format muxer and demuxer
82 - SubRip (srt) subtitle encoder and decoder
83 - floating-point AC-3 encoder added
85 - ffmpeg -copytb option added
87 - Wing Commander IV movies decoder added
89 - Bink version 'b' audio and video decoder
90 - Bitmap Brothers JV playback system
91 - Apple HTTP Live Streaming protocol handler
92 - sndio support for playback and record
93 - Linux framebuffer input device added
94 - Chronomaster DFA decoder
96 - MicroDVD subtitle file muxer and demuxer
97 - Playstation Portable PMP format demuxer
98 - fieldorder video filter added
99 - AAC encoding via libvo-aacenc
100 - AMR-WB encoding via libvo-amrwbenc
106 - PB-frame decoding for H.263
107 - deprecated vhook subsystem removed
108 - deprecated old scaler removed
110 - Alpha channel scaler
112 - RTP packetization of H.263
113 - RTP packetization of AMR
114 - RTP depacketization of Vorbis
115 - CorePNG decoding support
116 - Cook multichannel decoding support
117 - introduced avlanguage helpers in libavformat
118 - 8088flex TMV demuxer and decoder
119 - per-stream language-tags extraction in asfdec
120 - V210 decoder and encoder
121 - remaining GPL parts in AC-3 decoder converted to LGPL
123 - SoX native format muxer and demuxer
124 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
126 - Electronic Arts Madcow decoder
127 - DivX (XSUB) subtitle encoder
128 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
129 - experimental AAC encoder
130 - RTP depacketization of ASF and RTSP from WMS servers
131 - RTMP support in libavformat
132 - noX handling for OPT_BOOL X options
134 - IEC-61937 compatible Muxer
136 - Bluray (PGS) subtitle decoder
137 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
139 - Core Audio Format demuxer
141 - MD STUDIO audio demuxer
142 - RF64 support in WAV demuxer
143 - MPEG-4 Audio Lossless Coding (ALS) decoder
144 - -formats option split into -formats, -codecs, -bsfs, and -protocols
146 - CDG demuxer and decoder
148 - Auravision Aura 1 and 2 decoders
149 - Deluxe Paint Animation playback system
151 - Adobe Filmstrip muxer and demuxer
152 - RTP depacketization of H.263
153 - Bink demuxer and audio/video decoders
154 - enable symbol versioning by default for linkers that support it
155 - IFF PBM/ILBM bitmap decoder
158 - RTP depacketization of AMR
164 - Kega Game Video (KGV1) decoder
165 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
166 - RTP depacketization of Theora
167 - HTTP Digest authentication
168 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
169 - Psygnosis YOP demuxer and video decoder
170 - spectral extension support in the E-AC-3 decoder
171 - unsharp video filter
172 - RTP hinting in the mov/3gp/mp4 muxer
173 - Dirac in Ogg demuxing
174 - seek to keyframes in Ogg
175 - 4:2:2 and 4:4:4 Theora decoding
176 - 35% faster VP3/Theora decoding
177 - faster AAC decoding
178 - faster H.264 decoding
179 - RealAudio 1.0 (14.4K) encoder
184 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
185 - TechSmith Camtasia (TSCC) video decoder
186 - IBM Ultimotion (ULTI) video decoder
187 - Sierra Online audio file demuxer and decoder
188 - Apple QuickDraw (qdrw) video decoder
189 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
190 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
191 - Miro VideoXL (VIXL) video decoder
192 - H.261 video encoder
194 - Nullsoft Video (NSV) file demuxer
195 - Shorten audio decoder
197 - Apple Lossless Audio Codec (ALAC) decoder
198 - Winnov WNV1 video decoder
199 - Autodesk Animator Studio Codec (AASC) decoder
200 - Indeo 2 video decoder
201 - Fraps FPS1 video decoder
202 - Snow video encoder/decoder
203 - Sonic audio encoder/decoder
204 - Vorbis audio decoder
205 - Macromedia ADPCM decoder
206 - Duck TrueMotion 2 video decoder
207 - support for decoding FLX and DTA extensions in FLIC files
208 - H.264 custom quantization matrices support
209 - ffserver fixed, it should now be usable again
211 - Real Cooker audio decoder
212 - TrueSpeech audio decoder
213 - WMA2 audio decoder fixed, now all files should play correctly
214 - RealAudio 14.4 and 28.8 decoders fixed
216 - build system improvements
217 - tabs and trailing whitespace removed from the codebase
218 - CamStudio video decoder
219 - AIFF/AIFF-C audio format, encoding and decoding
220 - ADTS AAC file reading and writing
221 - Creative VOC file reading and writing
222 - American Laser Games multimedia (*.mm) playback system
223 - Zip Motion Blocks Video decoder
224 - improved Theora/VP3 decoder
225 - True Audio (TTA) decoder
226 - AVS demuxer and video decoder
228 - Smacker demuxer and decoder
229 - NuppelVideo/MythTV demuxer and RTjpeg decoder
231 - MPEG-2 intra VLC support
232 - MPEG-2 4:2:2 encoder
233 - Flash Screen Video decoder
235 - Chinese AVS decoder
238 - VC-1/WMV3/WMV9 video decoder
241 - VMware video decoder
244 - WavPack lossless audio decoder
245 - Targa (.TGA) picture decoder
246 - Vorbis audio encoder
247 - Delphine Software .cin demuxer/audio and video decoder
248 - Tiertex .seq demuxer/video decoder
250 - TIFF picture encoder and decoder
251 - GIF picture decoder
252 - Intel Music Coder decoder
253 - Zip Motion Blocks Video encoder
255 - Flash Screen Video encoder
256 - Theora encoding via libtheora
259 - GSM-MS encoder and decoder
261 - DXA demuxer and decoder
263 - Gamecube movie (.THP) playback system
264 - Blackfin optimizations
265 - Interplay C93 demuxer and video decoder
266 - Bethsoft VID demuxer and video decoder
269 - V.Flash PTX decoder
270 - RoQ muxer, RoQ audio encoder
271 - Renderware TXD demuxer and decoder
272 - extern C declarations for C++ removed from headers
273 - sws_flags command line option
277 - OS/2 support removed and restored again
280 - additional SPARC (VIS) optimizations
282 - slice-based parallel H.264 decoding
283 - Monkey's Audio demuxer and decoder
284 - AMV audio and video decoder
286 - H.264 PAFF decoding
287 - Nellymoser ASAO decoder
288 - Beam Software SIFF demuxer and decoder
289 - libvorbis Vorbis decoding removed in favor of native decoder
290 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
291 - Ogg (Theora, Vorbis and FLAC) muxer
292 - The "device" muxers and demuxers are now in a new libavdevice library
293 - PC Paintbrush PCX decoder
294 - Sun Rasterfile decoder
295 - TechnoTrend PVA demuxer
296 - Linux Media Labs MPEG-4 (LMLM4) demuxer
297 - AVM2 (Flash 9) SWF muxer
298 - QT variant of IMA ADPCM encoder
300 - iPod/iPhone compatible mp4 muxer
302 - MSN TCP Webcam stream demuxer
303 - RL2 demuxer / decoder
306 - non-recursive Makefiles
308 - MAXIS EA XA (.xa) demuxer / decoder
312 - Electronic Arts CMV decoder
313 - Motion Pixels Video decoder
314 - Motion Pixels MVI demuxer
315 - removed animated GIF decoder/demuxer
316 - D-Cinema audio muxer
317 - Electronic Arts TGV decoder
318 - Apple Lossless Audio Codec (ALAC) encoder
320 - floating point PCM encoder/decoder
322 - DV100 AKA DVCPRO HD decoder and demuxer
323 - E-AC-3 support added to AC-3 decoder
324 - Nellymoser ASAO encoder
325 - ASS and SSA demuxer and muxer
326 - liba52 wrapper removed
327 - SVQ3 watermark decoding support
328 - Speex decoding via libspeex
329 - Electronic Arts TGQ decoder
331 - QCELP / PureVoice decoder
333 - hybrid WavPack support
334 - R3D REDCODE demuxer
335 - ALSA support for playback and record
336 - Electronic Arts TQI decoder
337 - OpenJPEG based JPEG 2000 decoder
338 - NC (NC4600) camera file demuxer
339 - Gopher client support
341 - generic metadata API
346 - DV encoder, DV muxer
347 - Microsoft RLE video decoder
348 - Microsoft Video-1 decoder
349 - Apple Animation (RLE) decoder
350 - Apple Graphics (SMC) decoder
351 - Apple Video (RPZA) decoder
353 - Sega FILM (CPK) file demuxer
354 - Westwood multimedia support (VQA & AUD files)
355 - Id Quake II CIN playback support
357 - FLIC playback support
358 - RealVideo 2.0 (RV20) decoder
359 - Duck TrueMotion v1 (DUCK) video decoder
360 - Sierra VMD demuxer and video decoder
361 - MSZH and ZLIB decoder support
365 - rate distortion optimal cbp support
366 - rate distorted optimal ac prediction for MPEG-4
367 - rate distorted optimal lambda->qp support
368 - AAC encoding with libfaac
369 - Sunplus JPEG codec (SP5X) support
370 - use Lagrange multipler instead of QP for ratecontrol
371 - Theora/VP3 decoding support
372 - XA and ADX ADPCM codecs
373 - export MPEG-2 active display area / pan scan
374 - Add support for configuring with IBM XLC
375 - floating point AAN DCT
376 - initial support for zygo video (not complete)
378 - new audio/video parser API
380 - av_read_frame() and av_seek_frame() support
381 - missing last frame fixes
382 - seek by mouse in ffplay
383 - noise reduction of DCT coefficients
384 - H.263 OBMC & 4MV support
385 - H.263 alternative inter vlc support
387 - H.263 slice structured mode
388 - interlaced DCT support for MPEG-2 encoding
389 - stuffing to stay above min_bitrate
390 - MB type & QP visualization
391 - frame stepping for ffplay
392 - interlaced motion estimation
393 - alternate scantable support
394 - SVCD scan offset support
397 - quantizer noise shaping
398 - G.726 ADPCM audio codec
400 - multithreaded/SMP motion estimation
401 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
402 - multithreaded/SMP decoding for MPEG-2
404 - Metrowerks CodeWarrior suppport
405 - H.263+ custom pcf support
406 - nicer output for 'ffmpeg -formats'
408 - SGI image format, encoding and decoding
409 - H.264 loop filter support
410 - H.264 CABAC support
411 - nicer looking arrows for the motion vector visualization
412 - improved VCD support
413 - audio timestamp drift compensation
414 - MPEG-2 YUV 422/444 support
415 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
416 - better image scaling
418 - correctly interleave packets during encoding
419 - VIS optimized motion compensation
420 - intra_dc_precision>0 encoding support
421 - support reuse of motion vectors/MB types/field select values of the source video
422 - more accurate deblock filter
424 - many optimizations and bugfixes
425 - FunCom ISS audio file demuxer and according ADPCM decoding
430 - MPEG-2 video encoding (Michael)
431 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
432 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
434 - Xan DPCM audio decoder (Mario Brito)
435 - Interplay MVE playback subsystem (Mike Melanson)
436 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
441 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
442 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
443 - current version now also compiles with older GCC (Fabrice)
444 - 4X multimedia playback system including 4xm file demuxer (Mike
445 Melanson), and 4X video and audio codecs (Michael)
446 - Creative YUV (CYUV) decoder (Mike Melanson)
447 - FFV1 codec (our very simple lossless intra only codec, compresses much better
448 than HuffYUV) (Michael)
449 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
450 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
451 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
452 - ffplay has been replaced with a newer version which uses SDL (optionally)
453 for multiplatform support (Fabrice)
454 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
456 - AMR format has been added (Johannes Carlsson)
457 - 3GP support has been added (Johannes Carlsson)
458 - VP3 codec has been added (Mike Melanson)
459 - more MPEG-1/2 fixes
460 - better multiplatform support, MS Visual Studio fixes (various)
461 - AltiVec optimizations (Magnus Damn and others)
462 - SH4 processor support has been added (BERO)
463 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
464 - VOB streaming support (Brian Foley)
465 - better MP3 autodetection (Andriy Rysin)
466 - qpel encoding (Michael)
467 - 4mv+b frames encoding finally fixed (Michael)
468 - chroma ME (Michael)
469 - 5 comparison functions for ME (Michael)
470 - B-frame encoding speedup (Michael)
471 - WMV2 codec (unfinished - Michael)
472 - user specified diamond size for EPZS (Michael)
473 - Playstation STR playback subsystem, still experimental (Mike and Michael)
474 - ASV2 codec (Michael)
475 - CLJR decoder (Alex)
477 .. And lots more new enhancements and fixes.
482 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
484 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
485 - fix quantization bug in AC3 encoder
486 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
487 - added prototype ffplay program
488 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
489 - bug fix on MCBPC tables of H.263 (Juanjo)
490 - bug fix on DC coefficients of H.263 (Juanjo)
491 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
492 - now we can decode H.263 streams found in QuickTime files (Juanjo)
493 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
494 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
495 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
496 - now H.263 picture size is returned on the first decoded frame (Juanjo)
497 - added first regression tests
498 - added MPEG-2 TS demuxer
499 - new demux API for libav
500 - more accurate and faster IDCT (Michael)
501 - faster and entropy-controlled motion search (Michael)
502 - two pass video encoding (Michael)
503 - new video rate control (Michael)
504 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
505 - great performance improvement of video encoders and decoders (Michael)
506 - new and faster bit readers and vlc parsers (Michael)
507 - high quality encoding mode: tries all macroblock/VLC types (Michael)
508 - added DV video decoder
509 - preliminary RTP/RTSP support in ffserver and libavformat
510 - H.263+ AIC decoding/encoding support (Juanjo)
511 - VCD MPEG-PS mode (Juanjo)
512 - PSNR stuff (Juanjo)
513 - simple stats output (Juanjo)
514 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
519 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
520 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
521 - added configure system (actually a small shell script)
522 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
523 Michael Hipp (temporary solution - waiting for integer only
525 - fixed VIDIOCSYNC interrupt
526 - added Intel H.263 decoding support ('I263' AVI fourCC)
527 - added Real Video 1.0 decoding (needs further testing)
528 - simplified image formats again. Added PGM format (=grey
529 pgm). Renamed old PGM to PGMYUV.
530 - fixed msmpeg4 slice issues (tell me if you still find problems)
531 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
532 - added support for MPlayer interface
533 - added macroblock skip optimization
534 - added MJPEG decoder
535 - added mmx/mmxext IDCT from libmpeg2
536 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
537 <celer at shell.scrypt.net>)
538 - added pixel format conversion layer (e.g. for MJPEG or PPM)
539 - added deinterlacing option
541 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
542 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
543 - Windows porting of file converter
544 - added MJPEG raw format (input/ouput)
545 - added JPEG image format support (input/output)
550 - fixed some std header definitions (Bjorn Lindgren
551 <bjorn.e.lindgren at telia.com>).
552 - added MPEG demuxer (MPEG-1 and 2 compatible).
554 - added prototype RM demuxer
555 - added AC3 decoding (done with libac3 by Aaron Holtzman)
556 - added decoding codec parameter guessing (.e.g. for MPEG, because the
557 header does not include them)
558 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
559 play them (only tested video)
560 - fixed H.263 white bug
561 - fixed phase rounding in img resample filter
562 - add MMX code for polyphase img resample filter
563 - added CPU autodetection
564 - added generic title/author/copyright/comment string handling (ASF and RM
566 - added SWF demux to extract MP3 track (not usable yet because no MP3
568 - added fractional frame rate support
569 - codecs are no longer searched by read_header() (should fix ffserver
575 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
576 - fixed raw yuv output
577 - added motion rounding support in MPEG-4
578 - fixed motion bug rounding in MSMPEG4
579 - added B-frame handling in video core
580 - added full MPEG-1 decoding support
581 - added partial (frame only) MPEG-2 support
582 - changed the FOURCC code for H.263 to "U263" to be able to see the
583 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
584 this +codec ;) (JuanJo).
585 - Halfpel motion estimation after MB type selection (JuanJo)
586 - added pgm and .Y.U.V output format
587 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
589 - added pgmpipe I/O format (original patch from Martin Aumueller
590 <lists at reserv.at>, but changed completely since we use a format
591 instead of a protocol)
596 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
597 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
598 missing. MSMPEG4 support is complete.
599 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
600 can decode ffmpeg MPEGs :-)).
601 - added libavcodec API documentation (see apiexample.c).
602 - fixed image polyphase bug (the bottom of some images could be
604 - added support for non clipped motion vectors (decoding only)
605 and image sizes non-multiple of 16
606 - added support for AC prediction (decoding only)
607 - added file overwrite confirmation (can be disabled with -y)
608 - added custom size picture to H.263 using H.263+ (Juanjo)
613 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
614 of AVI and ASF to DIV3.
615 - added -me option to set motion estimation method
616 (default=log). suppressed redundant -hq option.
617 - added options -acodec and -vcodec to force a given codec (useful for
620 - improved dct_quantize speed
621 - factorized some motion estimation code
626 - removing grab code from ffserver and moved it to ffmpeg. Added
627 multistream support to ffmpeg.
628 - added timeshifting support for live feeds (option ?date=xxx in the
630 - added high quality image resize code with polyphase filter (need
631 mmx/see optimization). Enable multiple image size support in ffserver.
632 - added multi live feed support in ffserver
633 - suppressed master feature from ffserver (it should be done with an
634 external program which opens the .ffm url and writes it to another
636 - added preliminary support for video stream parsing (WAV and AVI half
637 done). Added proper support for audio/video file conversion in
639 - added preliminary support for video file sending from ffserver
640 - redesigning I/O subsystem: now using URL based input and output
642 - added WAV format support
643 - added "tty user interface" to ffmpeg to stop grabbing gracefully
644 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
645 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
646 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
647 - added new motion estimation algorithms, log and phods (Juanjo)
648 - changed directories: libav for format handling, libavcodec for
654 - added stereo in MPEG audio encoder
659 - added 'high quality' mode which use motion vectors. It can be used in
660 real time at low resolution.
661 - fixed rounding problems which caused quality problems at high
662 bitrates and large GOP size
665 version 0.3.2: small fixes
671 version 0.3.1: added avi/divx support
674 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
675 - added sound for flash format (not tested)
678 version 0.3: initial public release