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
58 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
59 - TechSmith Camtasia (TSCC) video decoder
60 - IBM Ultimotion (ULTI) video decoder
61 - Sierra Online audio file demuxer and decoder
62 - Apple QuickDraw (qdrw) video decoder
63 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
64 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
65 - Miro VideoXL (VIXL) video decoder
68 - Nullsoft Video (NSV) file demuxer
69 - Shorten audio decoder
71 - Apple Lossless Audio Codec (ALAC) decoder
72 - Winnov WNV1 video decoder
73 - Autodesk Animator Studio Codec (AASC) decoder
74 - Indeo 2 video decoder
75 - Fraps FPS1 video decoder
76 - Snow video encoder/decoder
77 - Sonic audio encoder/decoder
78 - Vorbis audio decoder
79 - Macromedia ADPCM decoder
80 - Duck TrueMotion 2 video decoder
81 - support for decoding FLX and DTA extensions in FLIC files
82 - H.264 custom quantization matrices support
83 - ffserver fixed, it should now be usable again
85 - Real Cooker audio decoder
86 - TrueSpeech audio decoder
87 - WMA2 audio decoder fixed, now all files should play correctly
88 - RealAudio 14.4 and 28.8 decoders fixed
90 - build system improvements
91 - tabs and trailing whitespace removed from the codebase
92 - CamStudio video decoder
93 - AIFF/AIFF-C audio format, encoding and decoding
94 - ADTS AAC file reading and writing
95 - Creative VOC file reading and writing
96 - American Laser Games multimedia (*.mm) playback system
97 - Zip Motion Blocks Video decoder
98 - improved Theora/VP3 decoder
99 - True Audio (TTA) decoder
100 - AVS demuxer and video decoder
102 - Smacker demuxer and decoder
103 - NuppelVideo/MythTV demuxer and RTjpeg decoder
105 - MPEG-2 intra VLC support
106 - MPEG-2 4:2:2 encoder
107 - Flash Screen Video decoder
109 - Chinese AVS decoder
112 - VC-1/WMV3/WMV9 video decoder
115 - VMware video decoder
118 - WavPack lossless audio decoder
119 - Targa (.TGA) picture decoder
120 - Vorbis audio encoder
121 - Delphine Software .cin demuxer/audio and video decoder
122 - Tiertex .seq demuxer/video decoder
124 - TIFF picture encoder and decoder
125 - GIF picture decoder
126 - Intel Music Coder decoder
127 - Zip Motion Blocks Video encoder
129 - Flash Screen Video encoder
130 - Theora encoding via libtheora
133 - GSM-MS encoder and decoder
135 - DXA demuxer and decoder
137 - Gamecube movie (.THP) playback system
138 - Blackfin optimizations
139 - Interplay C93 demuxer and video decoder
140 - Bethsoft VID demuxer and video decoder
143 - V.Flash PTX decoder
144 - RoQ muxer, RoQ audio encoder
145 - Renderware TXD demuxer and decoder
146 - extern C declarations for C++ removed from headers
147 - sws_flags command line option
151 - OS/2 support removed and restored again
154 - additional SPARC (VIS) optimizations
156 - slice-based parallel H.264 decoding
157 - Monkey's Audio demuxer and decoder
158 - AMV audio and video decoder
160 - H.264 PAFF decoding
161 - Nellymoser ASAO decoder
162 - Beam Software SIFF demuxer and decoder
163 - libvorbis Vorbis decoding removed in favor of native decoder
164 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
165 - Ogg (Theora, Vorbis and FLAC) muxer
166 - The "device" muxers and demuxers are now in a new libavdevice library
167 - PC Paintbrush PCX decoder
168 - Sun Rasterfile decoder
169 - TechnoTrend PVA demuxer
170 - Linux Media Labs MPEG-4 (LMLM4) demuxer
171 - AVM2 (Flash 9) SWF muxer
172 - QT variant of IMA ADPCM encoder
174 - iPod/iPhone compatible mp4 muxer
176 - MSN TCP Webcam stream demuxer
177 - RL2 demuxer / decoder
180 - non-recursive Makefiles
182 - MAXIS EA XA (.xa) demuxer / decoder
186 - Electronic Arts CMV decoder
187 - Motion Pixels Video decoder
188 - Motion Pixels MVI demuxer
189 - removed animated GIF decoder/demuxer
190 - D-Cinema audio muxer
191 - Electronic Arts TGV decoder
192 - Apple Lossless Audio Codec (ALAC) encoder
194 - floating point PCM encoder/decoder
196 - DV100 AKA DVCPRO HD decoder and demuxer
197 - E-AC-3 support added to AC-3 decoder
198 - Nellymoser ASAO encoder
199 - ASS and SSA demuxer and muxer
200 - liba52 wrapper removed
201 - SVQ3 watermark decoding support
202 - Speex decoding via libspeex
203 - Electronic Arts TGQ decoder
205 - QCELP / PureVoice decoder
207 - hybrid WavPack support
208 - R3D REDCODE demuxer
209 - ALSA support for playback and record
210 - Electronic Arts TQI decoder
211 - OpenJPEG based JPEG 2000 decoder
212 - NC (NC4600) camera file demuxer
213 - Gopher client support
215 - generic metadata API
221 - DV encoder, DV muxer
222 - Microsoft RLE video decoder
223 - Microsoft Video-1 decoder
224 - Apple Animation (RLE) decoder
225 - Apple Graphics (SMC) decoder
226 - Apple Video (RPZA) decoder
228 - Sega FILM (CPK) file demuxer
229 - Westwood multimedia support (VQA & AUD files)
230 - Id Quake II CIN playback support
232 - FLIC playback support
233 - RealVideo 2.0 (RV20) decoder
234 - Duck TrueMotion v1 (DUCK) video decoder
235 - Sierra VMD demuxer and video decoder
236 - MSZH and ZLIB decoder support
240 - rate distortion optimal cbp support
241 - rate distorted optimal ac prediction for MPEG-4
242 - rate distorted optimal lambda->qp support
243 - AAC encoding with libfaac
244 - Sunplus JPEG codec (SP5X) support
245 - use Lagrange multipler instead of QP for ratecontrol
246 - Theora/VP3 decoding support
247 - XA and ADX ADPCM codecs
248 - export MPEG-2 active display area / pan scan
249 - Add support for configuring with IBM XLC
250 - floating point AAN DCT
251 - initial support for zygo video (not complete)
253 - new audio/video parser API
255 - av_read_frame() and av_seek_frame() support
256 - missing last frame fixes
257 - seek by mouse in ffplay
258 - noise reduction of DCT coefficients
259 - H.263 OBMC & 4MV support
260 - H.263 alternative inter vlc support
262 - H.263 slice structured mode
263 - interlaced DCT support for MPEG-2 encoding
264 - stuffing to stay above min_bitrate
265 - MB type & QP visualization
266 - frame stepping for ffplay
267 - interlaced motion estimation
268 - alternate scantable support
269 - SVCD scan offset support
272 - quantizer noise shaping
273 - G.726 ADPCM audio codec
275 - multithreaded/SMP motion estimation
276 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
277 - multithreaded/SMP decoding for MPEG-2
279 - Metrowerks CodeWarrior suppport
280 - H.263+ custom pcf support
281 - nicer output for 'ffmpeg -formats'
283 - SGI image format, encoding and decoding
284 - H.264 loop filter support
285 - H.264 CABAC support
286 - nicer looking arrows for the motion vector visualization
287 - improved VCD support
288 - audio timestamp drift compensation
289 - MPEG-2 YUV 422/444 support
290 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
291 - better image scaling
293 - correctly interleave packets during encoding
294 - VIS optimized motion compensation
295 - intra_dc_precision>0 encoding support
296 - support reuse of motion vectors/MB types/field select values of the source video
297 - more accurate deblock filter
299 - many optimizations and bugfixes
300 - FunCom ISS audio file demuxer and according ADPCM decoding
306 - MPEG-2 video encoding (Michael)
307 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
308 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
310 - Xan DPCM audio decoder (Mario Brito)
311 - Interplay MVE playback subsystem (Mike Melanson)
312 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
318 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
319 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
320 - current version now also compiles with older GCC (Fabrice)
321 - 4X multimedia playback system including 4xm file demuxer (Mike
322 Melanson), and 4X video and audio codecs (Michael)
323 - Creative YUV (CYUV) decoder (Mike Melanson)
324 - FFV1 codec (our very simple lossless intra only codec, compresses much better
325 than HuffYUV) (Michael)
326 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
327 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
328 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
329 - ffplay has been replaced with a newer version which uses SDL (optionally)
330 for multiplatform support (Fabrice)
331 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
333 - AMR format has been added (Johannes Carlsson)
334 - 3GP support has been added (Johannes Carlsson)
335 - VP3 codec has been added (Mike Melanson)
336 - more MPEG-1/2 fixes
337 - better multiplatform support, MS Visual Studio fixes (various)
338 - AltiVec optimizations (Magnus Damn and others)
339 - SH4 processor support has been added (BERO)
340 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
341 - VOB streaming support (Brian Foley)
342 - better MP3 autodetection (Andriy Rysin)
343 - qpel encoding (Michael)
344 - 4mv+b frames encoding finally fixed (Michael)
345 - chroma ME (Michael)
346 - 5 comparison functions for ME (Michael)
347 - B-frame encoding speedup (Michael)
348 - WMV2 codec (unfinished - Michael)
349 - user specified diamond size for EPZS (Michael)
350 - Playstation STR playback subsystem, still experimental (Mike and Michael)
351 - ASV2 codec (Michael)
352 - CLJR decoder (Alex)
354 .. And lots more new enhancements and fixes.
360 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
362 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
363 - fix quantization bug in AC3 encoder
364 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
365 - added prototype ffplay program
366 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
367 - bug fix on MCBPC tables of H.263 (Juanjo)
368 - bug fix on DC coefficients of H.263 (Juanjo)
369 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
370 - now we can decode H.263 streams found in QuickTime files (Juanjo)
371 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
372 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
373 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
374 - now H.263 picture size is returned on the first decoded frame (Juanjo)
375 - added first regression tests
376 - added MPEG-2 TS demuxer
377 - new demux API for libav
378 - more accurate and faster IDCT (Michael)
379 - faster and entropy-controlled motion search (Michael)
380 - two pass video encoding (Michael)
381 - new video rate control (Michael)
382 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
383 - great performance improvement of video encoders and decoders (Michael)
384 - new and faster bit readers and vlc parsers (Michael)
385 - high quality encoding mode: tries all macroblock/VLC types (Michael)
386 - added DV video decoder
387 - preliminary RTP/RTSP support in ffserver and libavformat
388 - H.263+ AIC decoding/encoding support (Juanjo)
389 - VCD MPEG-PS mode (Juanjo)
390 - PSNR stuff (Juanjo)
391 - simple stats output (Juanjo)
392 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
398 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
399 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
400 - added configure system (actually a small shell script)
401 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
402 Michael Hipp (temporary solution - waiting for integer only
404 - fixed VIDIOCSYNC interrupt
405 - added Intel H.263 decoding support ('I263' AVI fourCC)
406 - added Real Video 1.0 decoding (needs further testing)
407 - simplified image formats again. Added PGM format (=grey
408 pgm). Renamed old PGM to PGMYUV.
409 - fixed msmpeg4 slice issues (tell me if you still find problems)
410 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
411 - added support for MPlayer interface
412 - added macroblock skip optimization
413 - added MJPEG decoder
414 - added mmx/mmxext IDCT from libmpeg2
415 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
416 <celer at shell.scrypt.net>)
417 - added pixel format conversion layer (e.g. for MJPEG or PPM)
418 - added deinterlacing option
420 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
421 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
422 - Windows porting of file converter
423 - added MJPEG raw format (input/ouput)
424 - added JPEG image format support (input/output)
430 - fixed some std header definitions (Bjorn Lindgren
431 <bjorn.e.lindgren at telia.com>).
432 - added MPEG demuxer (MPEG-1 and 2 compatible).
434 - added prototype RM demuxer
435 - added AC3 decoding (done with libac3 by Aaron Holtzman)
436 - added decoding codec parameter guessing (.e.g. for MPEG, because the
437 header does not include them)
438 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
439 play them (only tested video)
440 - fixed H.263 white bug
441 - fixed phase rounding in img resample filter
442 - add MMX code for polyphase img resample filter
443 - added CPU autodetection
444 - added generic title/author/copyright/comment string handling (ASF and RM
446 - added SWF demux to extract MP3 track (not usable yet because no MP3
448 - added fractional frame rate support
449 - codecs are no longer searched by read_header() (should fix ffserver
456 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
457 - fixed raw yuv output
458 - added motion rounding support in MPEG-4
459 - fixed motion bug rounding in MSMPEG4
460 - added B-frame handling in video core
461 - added full MPEG-1 decoding support
462 - added partial (frame only) MPEG-2 support
463 - changed the FOURCC code for H.263 to "U263" to be able to see the
464 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
465 this +codec ;) (JuanJo).
466 - Halfpel motion estimation after MB type selection (JuanJo)
467 - added pgm and .Y.U.V output format
468 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
470 - added pgmpipe I/O format (original patch from Martin Aumueller
471 <lists at reserv.at>, but changed completely since we use a format
472 instead of a protocol)
478 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
479 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
480 missing. MSMPEG4 support is complete.
481 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
482 can decode ffmpeg MPEGs :-)).
483 - added libavcodec API documentation (see apiexample.c).
484 - fixed image polyphase bug (the bottom of some images could be
486 - added support for non clipped motion vectors (decoding only)
487 and image sizes non-multiple of 16
488 - added support for AC prediction (decoding only)
489 - added file overwrite confirmation (can be disabled with -y)
490 - added custom size picture to H.263 using H.263+ (Juanjo)
495 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
496 of AVI and ASF to DIV3.
497 - added -me option to set motion estimation method
498 (default=log). suppressed redundant -hq option.
499 - added options -acodec and -vcodec to force a given codec (useful for
502 - improved dct_quantize speed
503 - factorized some motion estimation code
509 - removing grab code from ffserver and moved it to ffmpeg. Added
510 multistream support to ffmpeg.
511 - added timeshifting support for live feeds (option ?date=xxx in the
513 - added high quality image resize code with polyphase filter (need
514 mmx/see optimization). Enable multiple image size support in ffserver.
515 - added multi live feed support in ffserver
516 - suppressed master feature from ffserver (it should be done with an
517 external program which opens the .ffm url and writes it to another
519 - added preliminary support for video stream parsing (WAV and AVI half
520 done). Added proper support for audio/video file conversion in
522 - added preliminary support for video file sending from ffserver
523 - redesigning I/O subsystem: now using URL based input and output
525 - added WAV format support
526 - added "tty user interface" to ffmpeg to stop grabbing gracefully
527 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
528 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
529 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
530 - added new motion estimation algorithms, log and phods (Juanjo)
531 - changed directories: libav for format handling, libavcodec for
538 - added stereo in MPEG audio encoder
544 - added 'high quality' mode which use motion vectors. It can be used in
545 real time at low resolution.
546 - fixed rounding problems which caused quality problems at high
547 bitrates and large GOP size
551 version 0.3.2: small fixes
558 version 0.3.1: added avi/divx support
561 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
562 - added sound for flash format (not tested)
566 version 0.3: initial public release