1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
7 - PB-frame decoding for H.263
8 - deprecated vhook subsystem removed
9 - deprecated old scaler removed
11 - Alpha channel scaler
13 - RTP packetization of H.263
14 - RTP packetization of AMR
15 - RTP depacketization of Vorbis
16 - CorePNG decoding support
17 - Cook multichannel decoding support
18 - introduced avlanguage helpers in libavformat
19 - 8088flex TMV demuxer and decoder
20 - per-stream language-tags extraction in asfdec
21 - V210 decoder and encoder
22 - remaining GPL parts in AC-3 decoder converted to LGPL
24 - SoX native format muxer and demuxer
25 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
27 - Electronic Arts Madcow decoder
28 - DivX (XSUB) subtitle encoder
29 - nonfree libamr support for AMR-NB/WB decoding/encoding removed
30 - experimental AAC encoder
31 - RTP depacketization of ASF and RTSP from WMS servers
32 - RTMP support in libavformat
33 - noX handling for OPT_BOOL X options
35 - IEC-61937 compatible Muxer
37 - Bluray (PGS) subtitle decoder
38 - LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
40 - Core Audio Format demuxer
42 - MD STUDIO audio demuxer
43 - RF64 support in WAV demuxer
44 - MPEG-4 Audio Lossless Coding (ALS) decoder
45 - -formats option split into -formats, -codecs, -bsfs, and -protocols
47 - CDG demuxer and decoder
49 - Auravision Aura 1 and 2 decoders
50 - Deluxe Paint Animation playback system
52 - Adobe Filmstrip muxer and demuxer
53 - RTP depacketization of H.263
54 - Bink demuxer and audio/video decoders
55 - enable symbol versioning by default for linkers that support it
56 - IFF PBM/ILBM bitmap decoder
59 - RTP depacketization of AMR
65 - Kega Game Video (KGV1) decoder
66 - VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
67 - RTP depacketization of Theora
68 - HTTP Digest authentication
69 - RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
70 - Psygnosis YOP demuxer and video decoder
71 - spectral extension support in the E-AC-3 decoder
72 - unsharp video filter
73 - RTP hinting in the mov/3gp/mp4 muxer
74 - WebM support in Matroska demuxer
80 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
81 - TechSmith Camtasia (TSCC) video decoder
82 - IBM Ultimotion (ULTI) video decoder
83 - Sierra Online audio file demuxer and decoder
84 - Apple QuickDraw (qdrw) video decoder
85 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
86 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
87 - Miro VideoXL (VIXL) video decoder
90 - Nullsoft Video (NSV) file demuxer
91 - Shorten audio decoder
93 - Apple Lossless Audio Codec (ALAC) decoder
94 - Winnov WNV1 video decoder
95 - Autodesk Animator Studio Codec (AASC) decoder
96 - Indeo 2 video decoder
97 - Fraps FPS1 video decoder
98 - Snow video encoder/decoder
99 - Sonic audio encoder/decoder
100 - Vorbis audio decoder
101 - Macromedia ADPCM decoder
102 - Duck TrueMotion 2 video decoder
103 - support for decoding FLX and DTA extensions in FLIC files
104 - H.264 custom quantization matrices support
105 - ffserver fixed, it should now be usable again
107 - Real Cooker audio decoder
108 - TrueSpeech audio decoder
109 - WMA2 audio decoder fixed, now all files should play correctly
110 - RealAudio 14.4 and 28.8 decoders fixed
112 - build system improvements
113 - tabs and trailing whitespace removed from the codebase
114 - CamStudio video decoder
115 - AIFF/AIFF-C audio format, encoding and decoding
116 - ADTS AAC file reading and writing
117 - Creative VOC file reading and writing
118 - American Laser Games multimedia (*.mm) playback system
119 - Zip Motion Blocks Video decoder
120 - improved Theora/VP3 decoder
121 - True Audio (TTA) decoder
122 - AVS demuxer and video decoder
124 - Smacker demuxer and decoder
125 - NuppelVideo/MythTV demuxer and RTjpeg decoder
127 - MPEG-2 intra VLC support
128 - MPEG-2 4:2:2 encoder
129 - Flash Screen Video decoder
131 - Chinese AVS decoder
134 - VC-1/WMV3/WMV9 video decoder
137 - VMware video decoder
140 - WavPack lossless audio decoder
141 - Targa (.TGA) picture decoder
142 - Vorbis audio encoder
143 - Delphine Software .cin demuxer/audio and video decoder
144 - Tiertex .seq demuxer/video decoder
146 - TIFF picture encoder and decoder
147 - GIF picture decoder
148 - Intel Music Coder decoder
149 - Zip Motion Blocks Video encoder
151 - Flash Screen Video encoder
152 - Theora encoding via libtheora
155 - GSM-MS encoder and decoder
157 - DXA demuxer and decoder
159 - Gamecube movie (.THP) playback system
160 - Blackfin optimizations
161 - Interplay C93 demuxer and video decoder
162 - Bethsoft VID demuxer and video decoder
165 - V.Flash PTX decoder
166 - RoQ muxer, RoQ audio encoder
167 - Renderware TXD demuxer and decoder
168 - extern C declarations for C++ removed from headers
169 - sws_flags command line option
173 - OS/2 support removed and restored again
176 - additional SPARC (VIS) optimizations
178 - slice-based parallel H.264 decoding
179 - Monkey's Audio demuxer and decoder
180 - AMV audio and video decoder
182 - H.264 PAFF decoding
183 - Nellymoser ASAO decoder
184 - Beam Software SIFF demuxer and decoder
185 - libvorbis Vorbis decoding removed in favor of native decoder
186 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
187 - Ogg (Theora, Vorbis and FLAC) muxer
188 - The "device" muxers and demuxers are now in a new libavdevice library
189 - PC Paintbrush PCX decoder
190 - Sun Rasterfile decoder
191 - TechnoTrend PVA demuxer
192 - Linux Media Labs MPEG-4 (LMLM4) demuxer
193 - AVM2 (Flash 9) SWF muxer
194 - QT variant of IMA ADPCM encoder
196 - iPod/iPhone compatible mp4 muxer
198 - MSN TCP Webcam stream demuxer
199 - RL2 demuxer / decoder
202 - non-recursive Makefiles
204 - MAXIS EA XA (.xa) demuxer / decoder
208 - Electronic Arts CMV decoder
209 - Motion Pixels Video decoder
210 - Motion Pixels MVI demuxer
211 - removed animated GIF decoder/demuxer
212 - D-Cinema audio muxer
213 - Electronic Arts TGV decoder
214 - Apple Lossless Audio Codec (ALAC) encoder
216 - floating point PCM encoder/decoder
218 - DV100 AKA DVCPRO HD decoder and demuxer
219 - E-AC-3 support added to AC-3 decoder
220 - Nellymoser ASAO encoder
221 - ASS and SSA demuxer and muxer
222 - liba52 wrapper removed
223 - SVQ3 watermark decoding support
224 - Speex decoding via libspeex
225 - Electronic Arts TGQ decoder
227 - QCELP / PureVoice decoder
229 - hybrid WavPack support
230 - R3D REDCODE demuxer
231 - ALSA support for playback and record
232 - Electronic Arts TQI decoder
233 - OpenJPEG based JPEG 2000 decoder
234 - NC (NC4600) camera file demuxer
235 - Gopher client support
237 - generic metadata API
243 - DV encoder, DV muxer
244 - Microsoft RLE video decoder
245 - Microsoft Video-1 decoder
246 - Apple Animation (RLE) decoder
247 - Apple Graphics (SMC) decoder
248 - Apple Video (RPZA) decoder
250 - Sega FILM (CPK) file demuxer
251 - Westwood multimedia support (VQA & AUD files)
252 - Id Quake II CIN playback support
254 - FLIC playback support
255 - RealVideo 2.0 (RV20) decoder
256 - Duck TrueMotion v1 (DUCK) video decoder
257 - Sierra VMD demuxer and video decoder
258 - MSZH and ZLIB decoder support
262 - rate distortion optimal cbp support
263 - rate distorted optimal ac prediction for MPEG-4
264 - rate distorted optimal lambda->qp support
265 - AAC encoding with libfaac
266 - Sunplus JPEG codec (SP5X) support
267 - use Lagrange multipler instead of QP for ratecontrol
268 - Theora/VP3 decoding support
269 - XA and ADX ADPCM codecs
270 - export MPEG-2 active display area / pan scan
271 - Add support for configuring with IBM XLC
272 - floating point AAN DCT
273 - initial support for zygo video (not complete)
275 - new audio/video parser API
277 - av_read_frame() and av_seek_frame() support
278 - missing last frame fixes
279 - seek by mouse in ffplay
280 - noise reduction of DCT coefficients
281 - H.263 OBMC & 4MV support
282 - H.263 alternative inter vlc support
284 - H.263 slice structured mode
285 - interlaced DCT support for MPEG-2 encoding
286 - stuffing to stay above min_bitrate
287 - MB type & QP visualization
288 - frame stepping for ffplay
289 - interlaced motion estimation
290 - alternate scantable support
291 - SVCD scan offset support
294 - quantizer noise shaping
295 - G.726 ADPCM audio codec
297 - multithreaded/SMP motion estimation
298 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
299 - multithreaded/SMP decoding for MPEG-2
301 - Metrowerks CodeWarrior suppport
302 - H.263+ custom pcf support
303 - nicer output for 'ffmpeg -formats'
305 - SGI image format, encoding and decoding
306 - H.264 loop filter support
307 - H.264 CABAC support
308 - nicer looking arrows for the motion vector visualization
309 - improved VCD support
310 - audio timestamp drift compensation
311 - MPEG-2 YUV 422/444 support
312 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
313 - better image scaling
315 - correctly interleave packets during encoding
316 - VIS optimized motion compensation
317 - intra_dc_precision>0 encoding support
318 - support reuse of motion vectors/MB types/field select values of the source video
319 - more accurate deblock filter
321 - many optimizations and bugfixes
322 - FunCom ISS audio file demuxer and according ADPCM decoding
328 - MPEG-2 video encoding (Michael)
329 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
330 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
332 - Xan DPCM audio decoder (Mario Brito)
333 - Interplay MVE playback subsystem (Mike Melanson)
334 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
340 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
341 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
342 - current version now also compiles with older GCC (Fabrice)
343 - 4X multimedia playback system including 4xm file demuxer (Mike
344 Melanson), and 4X video and audio codecs (Michael)
345 - Creative YUV (CYUV) decoder (Mike Melanson)
346 - FFV1 codec (our very simple lossless intra only codec, compresses much better
347 than HuffYUV) (Michael)
348 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
349 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
350 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
351 - ffplay has been replaced with a newer version which uses SDL (optionally)
352 for multiplatform support (Fabrice)
353 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
355 - AMR format has been added (Johannes Carlsson)
356 - 3GP support has been added (Johannes Carlsson)
357 - VP3 codec has been added (Mike Melanson)
358 - more MPEG-1/2 fixes
359 - better multiplatform support, MS Visual Studio fixes (various)
360 - AltiVec optimizations (Magnus Damn and others)
361 - SH4 processor support has been added (BERO)
362 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
363 - VOB streaming support (Brian Foley)
364 - better MP3 autodetection (Andriy Rysin)
365 - qpel encoding (Michael)
366 - 4mv+b frames encoding finally fixed (Michael)
367 - chroma ME (Michael)
368 - 5 comparison functions for ME (Michael)
369 - B-frame encoding speedup (Michael)
370 - WMV2 codec (unfinished - Michael)
371 - user specified diamond size for EPZS (Michael)
372 - Playstation STR playback subsystem, still experimental (Mike and Michael)
373 - ASV2 codec (Michael)
374 - CLJR decoder (Alex)
376 .. And lots more new enhancements and fixes.
382 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
384 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
385 - fix quantization bug in AC3 encoder
386 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
387 - added prototype ffplay program
388 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
389 - bug fix on MCBPC tables of H.263 (Juanjo)
390 - bug fix on DC coefficients of H.263 (Juanjo)
391 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
392 - now we can decode H.263 streams found in QuickTime files (Juanjo)
393 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
394 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
395 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
396 - now H.263 picture size is returned on the first decoded frame (Juanjo)
397 - added first regression tests
398 - added MPEG-2 TS demuxer
399 - new demux API for libav
400 - more accurate and faster IDCT (Michael)
401 - faster and entropy-controlled motion search (Michael)
402 - two pass video encoding (Michael)
403 - new video rate control (Michael)
404 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
405 - great performance improvement of video encoders and decoders (Michael)
406 - new and faster bit readers and vlc parsers (Michael)
407 - high quality encoding mode: tries all macroblock/VLC types (Michael)
408 - added DV video decoder
409 - preliminary RTP/RTSP support in ffserver and libavformat
410 - H.263+ AIC decoding/encoding support (Juanjo)
411 - VCD MPEG-PS mode (Juanjo)
412 - PSNR stuff (Juanjo)
413 - simple stats output (Juanjo)
414 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
420 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
421 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
422 - added configure system (actually a small shell script)
423 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
424 Michael Hipp (temporary solution - waiting for integer only
426 - fixed VIDIOCSYNC interrupt
427 - added Intel H.263 decoding support ('I263' AVI fourCC)
428 - added Real Video 1.0 decoding (needs further testing)
429 - simplified image formats again. Added PGM format (=grey
430 pgm). Renamed old PGM to PGMYUV.
431 - fixed msmpeg4 slice issues (tell me if you still find problems)
432 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
433 - added support for MPlayer interface
434 - added macroblock skip optimization
435 - added MJPEG decoder
436 - added mmx/mmxext IDCT from libmpeg2
437 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
438 <celer at shell.scrypt.net>)
439 - added pixel format conversion layer (e.g. for MJPEG or PPM)
440 - added deinterlacing option
442 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
443 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
444 - Windows porting of file converter
445 - added MJPEG raw format (input/ouput)
446 - added JPEG image format support (input/output)
452 - fixed some std header definitions (Bjorn Lindgren
453 <bjorn.e.lindgren at telia.com>).
454 - added MPEG demuxer (MPEG-1 and 2 compatible).
456 - added prototype RM demuxer
457 - added AC3 decoding (done with libac3 by Aaron Holtzman)
458 - added decoding codec parameter guessing (.e.g. for MPEG, because the
459 header does not include them)
460 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
461 play them (only tested video)
462 - fixed H.263 white bug
463 - fixed phase rounding in img resample filter
464 - add MMX code for polyphase img resample filter
465 - added CPU autodetection
466 - added generic title/author/copyright/comment string handling (ASF and RM
468 - added SWF demux to extract MP3 track (not usable yet because no MP3
470 - added fractional frame rate support
471 - codecs are no longer searched by read_header() (should fix ffserver
478 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
479 - fixed raw yuv output
480 - added motion rounding support in MPEG-4
481 - fixed motion bug rounding in MSMPEG4
482 - added B-frame handling in video core
483 - added full MPEG-1 decoding support
484 - added partial (frame only) MPEG-2 support
485 - changed the FOURCC code for H.263 to "U263" to be able to see the
486 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
487 this +codec ;) (JuanJo).
488 - Halfpel motion estimation after MB type selection (JuanJo)
489 - added pgm and .Y.U.V output format
490 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
492 - added pgmpipe I/O format (original patch from Martin Aumueller
493 <lists at reserv.at>, but changed completely since we use a format
494 instead of a protocol)
500 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
501 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
502 missing. MSMPEG4 support is complete.
503 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
504 can decode ffmpeg MPEGs :-)).
505 - added libavcodec API documentation (see apiexample.c).
506 - fixed image polyphase bug (the bottom of some images could be
508 - added support for non clipped motion vectors (decoding only)
509 and image sizes non-multiple of 16
510 - added support for AC prediction (decoding only)
511 - added file overwrite confirmation (can be disabled with -y)
512 - added custom size picture to H.263 using H.263+ (Juanjo)
517 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
518 of AVI and ASF to DIV3.
519 - added -me option to set motion estimation method
520 (default=log). suppressed redundant -hq option.
521 - added options -acodec and -vcodec to force a given codec (useful for
524 - improved dct_quantize speed
525 - factorized some motion estimation code
531 - removing grab code from ffserver and moved it to ffmpeg. Added
532 multistream support to ffmpeg.
533 - added timeshifting support for live feeds (option ?date=xxx in the
535 - added high quality image resize code with polyphase filter (need
536 mmx/see optimization). Enable multiple image size support in ffserver.
537 - added multi live feed support in ffserver
538 - suppressed master feature from ffserver (it should be done with an
539 external program which opens the .ffm url and writes it to another
541 - added preliminary support for video stream parsing (WAV and AVI half
542 done). Added proper support for audio/video file conversion in
544 - added preliminary support for video file sending from ffserver
545 - redesigning I/O subsystem: now using URL based input and output
547 - added WAV format support
548 - added "tty user interface" to ffmpeg to stop grabbing gracefully
549 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
550 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
551 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
552 - added new motion estimation algorithms, log and phods (Juanjo)
553 - changed directories: libav for format handling, libavcodec for
560 - added stereo in MPEG audio encoder
566 - added 'high quality' mode which use motion vectors. It can be used in
567 real time at low resolution.
568 - fixed rounding problems which caused quality problems at high
569 bitrates and large GOP size
573 version 0.3.2: small fixes
580 version 0.3.1: added avi/divx support
583 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
584 - added sound for flash format (not tested)
588 version 0.3: initial public release