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
59 - PB-frame decoding for H.263
60 - deprecated vhook subsystem removed
61 - deprecated old scaler removed
63 - Alpha channel scaler
65 - RTP packetization of H.263
66 - RTP packetization of AMR
67 - RTP depacketization of Vorbis
68 - CorePNG decoding support
69 - Cook multichannel decoding support
70 - introduced avlanguage helpers in libavformat
71 - 8088flex TMV demuxer and decoder
72 - per-stream language-tags extraction in asfdec
73 - V210 decoder and encoder
74 - remaining GPL parts in AC-3 decoder converted to LGPL
76 - SoX native format muxer and demuxer
77 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
79 - Electronic Arts Madcow decoder
80 - DivX (XSUB) subtitle encoder
81 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
82 - experimental AAC encoder
83 - RTP depacketization of ASF and RTSP from WMS servers
84 - RTMP support in libavformat
85 - noX handling for OPT_BOOL X options
87 - IEC-61937 compatible Muxer
89 - Bluray (PGS) subtitle decoder
90 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
92 - Core Audio Format demuxer
94 - MD STUDIO audio demuxer
95 - RF64 support in WAV demuxer
96 - MPEG-4 Audio Lossless Coding (ALS) decoder
97 - -formats option split into -formats, -codecs, -bsfs, and -protocols
99 - CDG demuxer and decoder
101 - Auravision Aura 1 and 2 decoders
102 - Deluxe Paint Animation playback system
104 - Adobe Filmstrip muxer and demuxer
105 - RTP depacketization of H.263
106 - Bink demuxer and audio/video decoders
107 - enable symbol versioning by default for linkers that support it
108 - IFF PBM/ILBM bitmap decoder
111 - RTP depacketization of AMR
117 - Kega Game Video (KGV1) decoder
118 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
119 - RTP depacketization of Theora
120 - HTTP Digest authentication
121 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
122 - Psygnosis YOP demuxer and video decoder
123 - spectral extension support in the E-AC-3 decoder
124 - unsharp video filter
125 - RTP hinting in the mov/3gp/mp4 muxer
126 - Dirac in Ogg demuxing
127 - seek to keyframes in Ogg
128 - 4:2:2 and 4:4:4 Theora decoding
129 - 35% faster VP3/Theora decoding
130 - faster AAC decoding
131 - faster H.264 decoding
132 - RealAudio 1.0 (14.4K) encoder
137 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
138 - TechSmith Camtasia (TSCC) video decoder
139 - IBM Ultimotion (ULTI) video decoder
140 - Sierra Online audio file demuxer and decoder
141 - Apple QuickDraw (qdrw) video decoder
142 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
143 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
144 - Miro VideoXL (VIXL) video decoder
145 - H.261 video encoder
147 - Nullsoft Video (NSV) file demuxer
148 - Shorten audio decoder
150 - Apple Lossless Audio Codec (ALAC) decoder
151 - Winnov WNV1 video decoder
152 - Autodesk Animator Studio Codec (AASC) decoder
153 - Indeo 2 video decoder
154 - Fraps FPS1 video decoder
155 - Snow video encoder/decoder
156 - Sonic audio encoder/decoder
157 - Vorbis audio decoder
158 - Macromedia ADPCM decoder
159 - Duck TrueMotion 2 video decoder
160 - support for decoding FLX and DTA extensions in FLIC files
161 - H.264 custom quantization matrices support
162 - ffserver fixed, it should now be usable again
164 - Real Cooker audio decoder
165 - TrueSpeech audio decoder
166 - WMA2 audio decoder fixed, now all files should play correctly
167 - RealAudio 14.4 and 28.8 decoders fixed
169 - build system improvements
170 - tabs and trailing whitespace removed from the codebase
171 - CamStudio video decoder
172 - AIFF/AIFF-C audio format, encoding and decoding
173 - ADTS AAC file reading and writing
174 - Creative VOC file reading and writing
175 - American Laser Games multimedia (*.mm) playback system
176 - Zip Motion Blocks Video decoder
177 - improved Theora/VP3 decoder
178 - True Audio (TTA) decoder
179 - AVS demuxer and video decoder
181 - Smacker demuxer and decoder
182 - NuppelVideo/MythTV demuxer and RTjpeg decoder
184 - MPEG-2 intra VLC support
185 - MPEG-2 4:2:2 encoder
186 - Flash Screen Video decoder
188 - Chinese AVS decoder
191 - VC-1/WMV3/WMV9 video decoder
194 - VMware video decoder
197 - WavPack lossless audio decoder
198 - Targa (.TGA) picture decoder
199 - Vorbis audio encoder
200 - Delphine Software .cin demuxer/audio and video decoder
201 - Tiertex .seq demuxer/video decoder
203 - TIFF picture encoder and decoder
204 - GIF picture decoder
205 - Intel Music Coder decoder
206 - Zip Motion Blocks Video encoder
208 - Flash Screen Video encoder
209 - Theora encoding via libtheora
212 - GSM-MS encoder and decoder
214 - DXA demuxer and decoder
216 - Gamecube movie (.THP) playback system
217 - Blackfin optimizations
218 - Interplay C93 demuxer and video decoder
219 - Bethsoft VID demuxer and video decoder
222 - V.Flash PTX decoder
223 - RoQ muxer, RoQ audio encoder
224 - Renderware TXD demuxer and decoder
225 - extern C declarations for C++ removed from headers
226 - sws_flags command line option
230 - OS/2 support removed and restored again
233 - additional SPARC (VIS) optimizations
235 - slice-based parallel H.264 decoding
236 - Monkey's Audio demuxer and decoder
237 - AMV audio and video decoder
239 - H.264 PAFF decoding
240 - Nellymoser ASAO decoder
241 - Beam Software SIFF demuxer and decoder
242 - libvorbis Vorbis decoding removed in favor of native decoder
243 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
244 - Ogg (Theora, Vorbis and FLAC) muxer
245 - The "device" muxers and demuxers are now in a new libavdevice library
246 - PC Paintbrush PCX decoder
247 - Sun Rasterfile decoder
248 - TechnoTrend PVA demuxer
249 - Linux Media Labs MPEG-4 (LMLM4) demuxer
250 - AVM2 (Flash 9) SWF muxer
251 - QT variant of IMA ADPCM encoder
253 - iPod/iPhone compatible mp4 muxer
255 - MSN TCP Webcam stream demuxer
256 - RL2 demuxer / decoder
259 - non-recursive Makefiles
261 - MAXIS EA XA (.xa) demuxer / decoder
265 - Electronic Arts CMV decoder
266 - Motion Pixels Video decoder
267 - Motion Pixels MVI demuxer
268 - removed animated GIF decoder/demuxer
269 - D-Cinema audio muxer
270 - Electronic Arts TGV decoder
271 - Apple Lossless Audio Codec (ALAC) encoder
273 - floating point PCM encoder/decoder
275 - DV100 AKA DVCPRO HD decoder and demuxer
276 - E-AC-3 support added to AC-3 decoder
277 - Nellymoser ASAO encoder
278 - ASS and SSA demuxer and muxer
279 - liba52 wrapper removed
280 - SVQ3 watermark decoding support
281 - Speex decoding via libspeex
282 - Electronic Arts TGQ decoder
284 - QCELP / PureVoice decoder
286 - hybrid WavPack support
287 - R3D REDCODE demuxer
288 - ALSA support for playback and record
289 - Electronic Arts TQI decoder
290 - OpenJPEG based JPEG 2000 decoder
291 - NC (NC4600) camera file demuxer
292 - Gopher client support
294 - generic metadata API
299 - DV encoder, DV muxer
300 - Microsoft RLE video decoder
301 - Microsoft Video-1 decoder
302 - Apple Animation (RLE) decoder
303 - Apple Graphics (SMC) decoder
304 - Apple Video (RPZA) decoder
306 - Sega FILM (CPK) file demuxer
307 - Westwood multimedia support (VQA & AUD files)
308 - Id Quake II CIN playback support
310 - FLIC playback support
311 - RealVideo 2.0 (RV20) decoder
312 - Duck TrueMotion v1 (DUCK) video decoder
313 - Sierra VMD demuxer and video decoder
314 - MSZH and ZLIB decoder support
318 - rate distortion optimal cbp support
319 - rate distorted optimal ac prediction for MPEG-4
320 - rate distorted optimal lambda->qp support
321 - AAC encoding with libfaac
322 - Sunplus JPEG codec (SP5X) support
323 - use Lagrange multipler instead of QP for ratecontrol
324 - Theora/VP3 decoding support
325 - XA and ADX ADPCM codecs
326 - export MPEG-2 active display area / pan scan
327 - Add support for configuring with IBM XLC
328 - floating point AAN DCT
329 - initial support for zygo video (not complete)
331 - new audio/video parser API
333 - av_read_frame() and av_seek_frame() support
334 - missing last frame fixes
335 - seek by mouse in ffplay
336 - noise reduction of DCT coefficients
337 - H.263 OBMC & 4MV support
338 - H.263 alternative inter vlc support
340 - H.263 slice structured mode
341 - interlaced DCT support for MPEG-2 encoding
342 - stuffing to stay above min_bitrate
343 - MB type & QP visualization
344 - frame stepping for ffplay
345 - interlaced motion estimation
346 - alternate scantable support
347 - SVCD scan offset support
350 - quantizer noise shaping
351 - G.726 ADPCM audio codec
353 - multithreaded/SMP motion estimation
354 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
355 - multithreaded/SMP decoding for MPEG-2
357 - Metrowerks CodeWarrior suppport
358 - H.263+ custom pcf support
359 - nicer output for 'ffmpeg -formats'
361 - SGI image format, encoding and decoding
362 - H.264 loop filter support
363 - H.264 CABAC support
364 - nicer looking arrows for the motion vector visualization
365 - improved VCD support
366 - audio timestamp drift compensation
367 - MPEG-2 YUV 422/444 support
368 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
369 - better image scaling
371 - correctly interleave packets during encoding
372 - VIS optimized motion compensation
373 - intra_dc_precision>0 encoding support
374 - support reuse of motion vectors/MB types/field select values of the source video
375 - more accurate deblock filter
377 - many optimizations and bugfixes
378 - FunCom ISS audio file demuxer and according ADPCM decoding
383 - MPEG-2 video encoding (Michael)
384 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
385 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
387 - Xan DPCM audio decoder (Mario Brito)
388 - Interplay MVE playback subsystem (Mike Melanson)
389 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
394 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
395 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
396 - current version now also compiles with older GCC (Fabrice)
397 - 4X multimedia playback system including 4xm file demuxer (Mike
398 Melanson), and 4X video and audio codecs (Michael)
399 - Creative YUV (CYUV) decoder (Mike Melanson)
400 - FFV1 codec (our very simple lossless intra only codec, compresses much better
401 than HuffYUV) (Michael)
402 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
403 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
404 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
405 - ffplay has been replaced with a newer version which uses SDL (optionally)
406 for multiplatform support (Fabrice)
407 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
409 - AMR format has been added (Johannes Carlsson)
410 - 3GP support has been added (Johannes Carlsson)
411 - VP3 codec has been added (Mike Melanson)
412 - more MPEG-1/2 fixes
413 - better multiplatform support, MS Visual Studio fixes (various)
414 - AltiVec optimizations (Magnus Damn and others)
415 - SH4 processor support has been added (BERO)
416 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
417 - VOB streaming support (Brian Foley)
418 - better MP3 autodetection (Andriy Rysin)
419 - qpel encoding (Michael)
420 - 4mv+b frames encoding finally fixed (Michael)
421 - chroma ME (Michael)
422 - 5 comparison functions for ME (Michael)
423 - B-frame encoding speedup (Michael)
424 - WMV2 codec (unfinished - Michael)
425 - user specified diamond size for EPZS (Michael)
426 - Playstation STR playback subsystem, still experimental (Mike and Michael)
427 - ASV2 codec (Michael)
428 - CLJR decoder (Alex)
430 .. And lots more new enhancements and fixes.
435 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
437 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
438 - fix quantization bug in AC3 encoder
439 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
440 - added prototype ffplay program
441 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
442 - bug fix on MCBPC tables of H.263 (Juanjo)
443 - bug fix on DC coefficients of H.263 (Juanjo)
444 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
445 - now we can decode H.263 streams found in QuickTime files (Juanjo)
446 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
447 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
448 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
449 - now H.263 picture size is returned on the first decoded frame (Juanjo)
450 - added first regression tests
451 - added MPEG-2 TS demuxer
452 - new demux API for libav
453 - more accurate and faster IDCT (Michael)
454 - faster and entropy-controlled motion search (Michael)
455 - two pass video encoding (Michael)
456 - new video rate control (Michael)
457 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
458 - great performance improvement of video encoders and decoders (Michael)
459 - new and faster bit readers and vlc parsers (Michael)
460 - high quality encoding mode: tries all macroblock/VLC types (Michael)
461 - added DV video decoder
462 - preliminary RTP/RTSP support in ffserver and libavformat
463 - H.263+ AIC decoding/encoding support (Juanjo)
464 - VCD MPEG-PS mode (Juanjo)
465 - PSNR stuff (Juanjo)
466 - simple stats output (Juanjo)
467 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
472 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
473 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
474 - added configure system (actually a small shell script)
475 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
476 Michael Hipp (temporary solution - waiting for integer only
478 - fixed VIDIOCSYNC interrupt
479 - added Intel H.263 decoding support ('I263' AVI fourCC)
480 - added Real Video 1.0 decoding (needs further testing)
481 - simplified image formats again. Added PGM format (=grey
482 pgm). Renamed old PGM to PGMYUV.
483 - fixed msmpeg4 slice issues (tell me if you still find problems)
484 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
485 - added support for MPlayer interface
486 - added macroblock skip optimization
487 - added MJPEG decoder
488 - added mmx/mmxext IDCT from libmpeg2
489 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
490 <celer at shell.scrypt.net>)
491 - added pixel format conversion layer (e.g. for MJPEG or PPM)
492 - added deinterlacing option
494 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
495 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
496 - Windows porting of file converter
497 - added MJPEG raw format (input/ouput)
498 - added JPEG image format support (input/output)
503 - fixed some std header definitions (Bjorn Lindgren
504 <bjorn.e.lindgren at telia.com>).
505 - added MPEG demuxer (MPEG-1 and 2 compatible).
507 - added prototype RM demuxer
508 - added AC3 decoding (done with libac3 by Aaron Holtzman)
509 - added decoding codec parameter guessing (.e.g. for MPEG, because the
510 header does not include them)
511 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
512 play them (only tested video)
513 - fixed H.263 white bug
514 - fixed phase rounding in img resample filter
515 - add MMX code for polyphase img resample filter
516 - added CPU autodetection
517 - added generic title/author/copyright/comment string handling (ASF and RM
519 - added SWF demux to extract MP3 track (not usable yet because no MP3
521 - added fractional frame rate support
522 - codecs are no longer searched by read_header() (should fix ffserver
528 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
529 - fixed raw yuv output
530 - added motion rounding support in MPEG-4
531 - fixed motion bug rounding in MSMPEG4
532 - added B-frame handling in video core
533 - added full MPEG-1 decoding support
534 - added partial (frame only) MPEG-2 support
535 - changed the FOURCC code for H.263 to "U263" to be able to see the
536 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
537 this +codec ;) (JuanJo).
538 - Halfpel motion estimation after MB type selection (JuanJo)
539 - added pgm and .Y.U.V output format
540 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
542 - added pgmpipe I/O format (original patch from Martin Aumueller
543 <lists at reserv.at>, but changed completely since we use a format
544 instead of a protocol)
549 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
550 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
551 missing. MSMPEG4 support is complete.
552 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
553 can decode ffmpeg MPEGs :-)).
554 - added libavcodec API documentation (see apiexample.c).
555 - fixed image polyphase bug (the bottom of some images could be
557 - added support for non clipped motion vectors (decoding only)
558 and image sizes non-multiple of 16
559 - added support for AC prediction (decoding only)
560 - added file overwrite confirmation (can be disabled with -y)
561 - added custom size picture to H.263 using H.263+ (Juanjo)
566 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
567 of AVI and ASF to DIV3.
568 - added -me option to set motion estimation method
569 (default=log). suppressed redundant -hq option.
570 - added options -acodec and -vcodec to force a given codec (useful for
573 - improved dct_quantize speed
574 - factorized some motion estimation code
579 - removing grab code from ffserver and moved it to ffmpeg. Added
580 multistream support to ffmpeg.
581 - added timeshifting support for live feeds (option ?date=xxx in the
583 - added high quality image resize code with polyphase filter (need
584 mmx/see optimization). Enable multiple image size support in ffserver.
585 - added multi live feed support in ffserver
586 - suppressed master feature from ffserver (it should be done with an
587 external program which opens the .ffm url and writes it to another
589 - added preliminary support for video stream parsing (WAV and AVI half
590 done). Added proper support for audio/video file conversion in
592 - added preliminary support for video file sending from ffserver
593 - redesigning I/O subsystem: now using URL based input and output
595 - added WAV format support
596 - added "tty user interface" to ffmpeg to stop grabbing gracefully
597 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
598 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
599 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
600 - added new motion estimation algorithms, log and phods (Juanjo)
601 - changed directories: libav for format handling, libavcodec for
607 - added stereo in MPEG audio encoder
612 - added 'high quality' mode which use motion vectors. It can be used in
613 real time at low resolution.
614 - fixed rounding problems which caused quality problems at high
615 bitrates and large GOP size
618 version 0.3.2: small fixes
624 version 0.3.1: added avi/divx support
627 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
628 - added sound for flash format (not tested)
631 version 0.3: initial public release