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