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
68 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
69 - TechSmith Camtasia (TSCC) video decoder
70 - IBM Ultimotion (ULTI) video decoder
71 - Sierra Online audio file demuxer and decoder
72 - Apple QuickDraw (qdrw) video decoder
73 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
74 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
75 - Miro VideoXL (VIXL) video decoder
78 - Nullsoft Video (NSV) file demuxer
79 - Shorten audio decoder
81 - Apple Lossless Audio Codec (ALAC) decoder
82 - Winnov WNV1 video decoder
83 - Autodesk Animator Studio Codec (AASC) decoder
84 - Indeo 2 video decoder
85 - Fraps FPS1 video decoder
86 - Snow video encoder/decoder
87 - Sonic audio encoder/decoder
88 - Vorbis audio decoder
89 - Macromedia ADPCM decoder
90 - Duck TrueMotion 2 video decoder
91 - support for decoding FLX and DTA extensions in FLIC files
92 - H.264 custom quantization matrices support
93 - ffserver fixed, it should now be usable again
95 - Real Cooker audio decoder
96 - TrueSpeech audio decoder
97 - WMA2 audio decoder fixed, now all files should play correctly
98 - RealAudio 14.4 and 28.8 decoders fixed
100 - build system improvements
101 - tabs and trailing whitespace removed from the codebase
102 - CamStudio video decoder
103 - AIFF/AIFF-C audio format, encoding and decoding
104 - ADTS AAC file reading and writing
105 - Creative VOC file reading and writing
106 - American Laser Games multimedia (*.mm) playback system
107 - Zip Motion Blocks Video decoder
108 - improved Theora/VP3 decoder
109 - True Audio (TTA) decoder
110 - AVS demuxer and video decoder
112 - Smacker demuxer and decoder
113 - NuppelVideo/MythTV demuxer and RTjpeg decoder
115 - MPEG-2 intra VLC support
116 - MPEG-2 4:2:2 encoder
117 - Flash Screen Video decoder
119 - Chinese AVS decoder
122 - VC-1/WMV3/WMV9 video decoder
125 - VMware video decoder
128 - WavPack lossless audio decoder
129 - Targa (.TGA) picture decoder
130 - Vorbis audio encoder
131 - Delphine Software .cin demuxer/audio and video decoder
132 - Tiertex .seq demuxer/video decoder
134 - TIFF picture encoder and decoder
135 - GIF picture decoder
136 - Intel Music Coder decoder
137 - Zip Motion Blocks Video encoder
139 - Flash Screen Video encoder
140 - Theora encoding via libtheora
143 - GSM-MS encoder and decoder
145 - DXA demuxer and decoder
147 - Gamecube movie (.THP) playback system
148 - Blackfin optimizations
149 - Interplay C93 demuxer and video decoder
150 - Bethsoft VID demuxer and video decoder
153 - V.Flash PTX decoder
154 - RoQ muxer, RoQ audio encoder
155 - Renderware TXD demuxer and decoder
156 - extern C declarations for C++ removed from headers
157 - sws_flags command line option
161 - OS/2 support removed and restored again
164 - additional SPARC (VIS) optimizations
166 - slice-based parallel H.264 decoding
167 - Monkey's Audio demuxer and decoder
168 - AMV audio and video decoder
170 - H.264 PAFF decoding
171 - Nellymoser ASAO decoder
172 - Beam Software SIFF demuxer and decoder
173 - libvorbis Vorbis decoding removed in favor of native decoder
174 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
175 - Ogg (Theora, Vorbis and FLAC) muxer
176 - The "device" muxers and demuxers are now in a new libavdevice library
177 - PC Paintbrush PCX decoder
178 - Sun Rasterfile decoder
179 - TechnoTrend PVA demuxer
180 - Linux Media Labs MPEG-4 (LMLM4) demuxer
181 - AVM2 (Flash 9) SWF muxer
182 - QT variant of IMA ADPCM encoder
184 - iPod/iPhone compatible mp4 muxer
186 - MSN TCP Webcam stream demuxer
187 - RL2 demuxer / decoder
190 - non-recursive Makefiles
192 - MAXIS EA XA (.xa) demuxer / decoder
196 - Electronic Arts CMV decoder
197 - Motion Pixels Video decoder
198 - Motion Pixels MVI demuxer
199 - removed animated GIF decoder/demuxer
200 - D-Cinema audio muxer
201 - Electronic Arts TGV decoder
202 - Apple Lossless Audio Codec (ALAC) encoder
204 - floating point PCM encoder/decoder
206 - DV100 AKA DVCPRO HD decoder and demuxer
207 - E-AC-3 support added to AC-3 decoder
208 - Nellymoser ASAO encoder
209 - ASS and SSA demuxer and muxer
210 - liba52 wrapper removed
211 - SVQ3 watermark decoding support
212 - Speex decoding via libspeex
213 - Electronic Arts TGQ decoder
215 - QCELP / PureVoice decoder
217 - hybrid WavPack support
218 - R3D REDCODE demuxer
219 - ALSA support for playback and record
220 - Electronic Arts TQI decoder
221 - OpenJPEG based JPEG 2000 decoder
222 - NC (NC4600) camera file demuxer
223 - Gopher client support
225 - generic metadata API
231 - DV encoder, DV muxer
232 - Microsoft RLE video decoder
233 - Microsoft Video-1 decoder
234 - Apple Animation (RLE) decoder
235 - Apple Graphics (SMC) decoder
236 - Apple Video (RPZA) decoder
238 - Sega FILM (CPK) file demuxer
239 - Westwood multimedia support (VQA & AUD files)
240 - Id Quake II CIN playback support
242 - FLIC playback support
243 - RealVideo 2.0 (RV20) decoder
244 - Duck TrueMotion v1 (DUCK) video decoder
245 - Sierra VMD demuxer and video decoder
246 - MSZH and ZLIB decoder support
250 - rate distortion optimal cbp support
251 - rate distorted optimal ac prediction for MPEG-4
252 - rate distorted optimal lambda->qp support
253 - AAC encoding with libfaac
254 - Sunplus JPEG codec (SP5X) support
255 - use Lagrange multipler instead of QP for ratecontrol
256 - Theora/VP3 decoding support
257 - XA and ADX ADPCM codecs
258 - export MPEG-2 active display area / pan scan
259 - Add support for configuring with IBM XLC
260 - floating point AAN DCT
261 - initial support for zygo video (not complete)
263 - new audio/video parser API
265 - av_read_frame() and av_seek_frame() support
266 - missing last frame fixes
267 - seek by mouse in ffplay
268 - noise reduction of DCT coefficients
269 - H.263 OBMC & 4MV support
270 - H.263 alternative inter vlc support
272 - H.263 slice structured mode
273 - interlaced DCT support for MPEG-2 encoding
274 - stuffing to stay above min_bitrate
275 - MB type & QP visualization
276 - frame stepping for ffplay
277 - interlaced motion estimation
278 - alternate scantable support
279 - SVCD scan offset support
282 - quantizer noise shaping
283 - G.726 ADPCM audio codec
285 - multithreaded/SMP motion estimation
286 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
287 - multithreaded/SMP decoding for MPEG-2
289 - Metrowerks CodeWarrior suppport
290 - H.263+ custom pcf support
291 - nicer output for 'ffmpeg -formats'
293 - SGI image format, encoding and decoding
294 - H.264 loop filter support
295 - H.264 CABAC support
296 - nicer looking arrows for the motion vector visualization
297 - improved VCD support
298 - audio timestamp drift compensation
299 - MPEG-2 YUV 422/444 support
300 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
301 - better image scaling
303 - correctly interleave packets during encoding
304 - VIS optimized motion compensation
305 - intra_dc_precision>0 encoding support
306 - support reuse of motion vectors/MB types/field select values of the source video
307 - more accurate deblock filter
309 - many optimizations and bugfixes
310 - FunCom ISS audio file demuxer and according ADPCM decoding
316 - MPEG-2 video encoding (Michael)
317 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
318 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
320 - Xan DPCM audio decoder (Mario Brito)
321 - Interplay MVE playback subsystem (Mike Melanson)
322 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
328 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
329 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
330 - current version now also compiles with older GCC (Fabrice)
331 - 4X multimedia playback system including 4xm file demuxer (Mike
332 Melanson), and 4X video and audio codecs (Michael)
333 - Creative YUV (CYUV) decoder (Mike Melanson)
334 - FFV1 codec (our very simple lossless intra only codec, compresses much better
335 than HuffYUV) (Michael)
336 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
337 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
338 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
339 - ffplay has been replaced with a newer version which uses SDL (optionally)
340 for multiplatform support (Fabrice)
341 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
343 - AMR format has been added (Johannes Carlsson)
344 - 3GP support has been added (Johannes Carlsson)
345 - VP3 codec has been added (Mike Melanson)
346 - more MPEG-1/2 fixes
347 - better multiplatform support, MS Visual Studio fixes (various)
348 - AltiVec optimizations (Magnus Damn and others)
349 - SH4 processor support has been added (BERO)
350 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
351 - VOB streaming support (Brian Foley)
352 - better MP3 autodetection (Andriy Rysin)
353 - qpel encoding (Michael)
354 - 4mv+b frames encoding finally fixed (Michael)
355 - chroma ME (Michael)
356 - 5 comparison functions for ME (Michael)
357 - B-frame encoding speedup (Michael)
358 - WMV2 codec (unfinished - Michael)
359 - user specified diamond size for EPZS (Michael)
360 - Playstation STR playback subsystem, still experimental (Mike and Michael)
361 - ASV2 codec (Michael)
362 - CLJR decoder (Alex)
364 .. And lots more new enhancements and fixes.
370 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
372 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
373 - fix quantization bug in AC3 encoder
374 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
375 - added prototype ffplay program
376 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
377 - bug fix on MCBPC tables of H.263 (Juanjo)
378 - bug fix on DC coefficients of H.263 (Juanjo)
379 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
380 - now we can decode H.263 streams found in QuickTime files (Juanjo)
381 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
382 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
383 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
384 - now H.263 picture size is returned on the first decoded frame (Juanjo)
385 - added first regression tests
386 - added MPEG-2 TS demuxer
387 - new demux API for libav
388 - more accurate and faster IDCT (Michael)
389 - faster and entropy-controlled motion search (Michael)
390 - two pass video encoding (Michael)
391 - new video rate control (Michael)
392 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
393 - great performance improvement of video encoders and decoders (Michael)
394 - new and faster bit readers and vlc parsers (Michael)
395 - high quality encoding mode: tries all macroblock/VLC types (Michael)
396 - added DV video decoder
397 - preliminary RTP/RTSP support in ffserver and libavformat
398 - H.263+ AIC decoding/encoding support (Juanjo)
399 - VCD MPEG-PS mode (Juanjo)
400 - PSNR stuff (Juanjo)
401 - simple stats output (Juanjo)
402 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
408 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
409 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
410 - added configure system (actually a small shell script)
411 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
412 Michael Hipp (temporary solution - waiting for integer only
414 - fixed VIDIOCSYNC interrupt
415 - added Intel H.263 decoding support ('I263' AVI fourCC)
416 - added Real Video 1.0 decoding (needs further testing)
417 - simplified image formats again. Added PGM format (=grey
418 pgm). Renamed old PGM to PGMYUV.
419 - fixed msmpeg4 slice issues (tell me if you still find problems)
420 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
421 - added support for MPlayer interface
422 - added macroblock skip optimization
423 - added MJPEG decoder
424 - added mmx/mmxext IDCT from libmpeg2
425 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
426 <celer at shell.scrypt.net>)
427 - added pixel format conversion layer (e.g. for MJPEG or PPM)
428 - added deinterlacing option
430 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
431 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
432 - Windows porting of file converter
433 - added MJPEG raw format (input/ouput)
434 - added JPEG image format support (input/output)
440 - fixed some std header definitions (Bjorn Lindgren
441 <bjorn.e.lindgren at telia.com>).
442 - added MPEG demuxer (MPEG-1 and 2 compatible).
444 - added prototype RM demuxer
445 - added AC3 decoding (done with libac3 by Aaron Holtzman)
446 - added decoding codec parameter guessing (.e.g. for MPEG, because the
447 header does not include them)
448 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
449 play them (only tested video)
450 - fixed H.263 white bug
451 - fixed phase rounding in img resample filter
452 - add MMX code for polyphase img resample filter
453 - added CPU autodetection
454 - added generic title/author/copyright/comment string handling (ASF and RM
456 - added SWF demux to extract MP3 track (not usable yet because no MP3
458 - added fractional frame rate support
459 - codecs are no longer searched by read_header() (should fix ffserver
466 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
467 - fixed raw yuv output
468 - added motion rounding support in MPEG-4
469 - fixed motion bug rounding in MSMPEG4
470 - added B-frame handling in video core
471 - added full MPEG-1 decoding support
472 - added partial (frame only) MPEG-2 support
473 - changed the FOURCC code for H.263 to "U263" to be able to see the
474 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
475 this +codec ;) (JuanJo).
476 - Halfpel motion estimation after MB type selection (JuanJo)
477 - added pgm and .Y.U.V output format
478 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
480 - added pgmpipe I/O format (original patch from Martin Aumueller
481 <lists at reserv.at>, but changed completely since we use a format
482 instead of a protocol)
488 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
489 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
490 missing. MSMPEG4 support is complete.
491 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
492 can decode ffmpeg MPEGs :-)).
493 - added libavcodec API documentation (see apiexample.c).
494 - fixed image polyphase bug (the bottom of some images could be
496 - added support for non clipped motion vectors (decoding only)
497 and image sizes non-multiple of 16
498 - added support for AC prediction (decoding only)
499 - added file overwrite confirmation (can be disabled with -y)
500 - added custom size picture to H.263 using H.263+ (Juanjo)
505 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
506 of AVI and ASF to DIV3.
507 - added -me option to set motion estimation method
508 (default=log). suppressed redundant -hq option.
509 - added options -acodec and -vcodec to force a given codec (useful for
512 - improved dct_quantize speed
513 - factorized some motion estimation code
519 - removing grab code from ffserver and moved it to ffmpeg. Added
520 multistream support to ffmpeg.
521 - added timeshifting support for live feeds (option ?date=xxx in the
523 - added high quality image resize code with polyphase filter (need
524 mmx/see optimization). Enable multiple image size support in ffserver.
525 - added multi live feed support in ffserver
526 - suppressed master feature from ffserver (it should be done with an
527 external program which opens the .ffm url and writes it to another
529 - added preliminary support for video stream parsing (WAV and AVI half
530 done). Added proper support for audio/video file conversion in
532 - added preliminary support for video file sending from ffserver
533 - redesigning I/O subsystem: now using URL based input and output
535 - added WAV format support
536 - added "tty user interface" to ffmpeg to stop grabbing gracefully
537 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
538 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
539 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
540 - added new motion estimation algorithms, log and phods (Juanjo)
541 - changed directories: libav for format handling, libavcodec for
548 - added stereo in MPEG audio encoder
554 - added 'high quality' mode which use motion vectors. It can be used in
555 real time at low resolution.
556 - fixed rounding problems which caused quality problems at high
557 bitrates and large GOP size
561 version 0.3.2: small fixes
568 version 0.3.1: added avi/divx support
571 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
572 - added sound for flash format (not tested)
576 version 0.3: initial public release