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
77 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
78 - TechSmith Camtasia (TSCC) video decoder
79 - IBM Ultimotion (ULTI) video decoder
80 - Sierra Online audio file demuxer and decoder
81 - Apple QuickDraw (qdrw) video decoder
82 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
83 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
84 - Miro VideoXL (VIXL) video decoder
87 - Nullsoft Video (NSV) file demuxer
88 - Shorten audio decoder
90 - Apple Lossless Audio Codec (ALAC) decoder
91 - Winnov WNV1 video decoder
92 - Autodesk Animator Studio Codec (AASC) decoder
93 - Indeo 2 video decoder
94 - Fraps FPS1 video decoder
95 - Snow video encoder/decoder
96 - Sonic audio encoder/decoder
97 - Vorbis audio decoder
98 - Macromedia ADPCM decoder
99 - Duck TrueMotion 2 video decoder
100 - support for decoding FLX and DTA extensions in FLIC files
101 - H.264 custom quantization matrices support
102 - ffserver fixed, it should now be usable again
104 - Real Cooker audio decoder
105 - TrueSpeech audio decoder
106 - WMA2 audio decoder fixed, now all files should play correctly
107 - RealAudio 14.4 and 28.8 decoders fixed
109 - build system improvements
110 - tabs and trailing whitespace removed from the codebase
111 - CamStudio video decoder
112 - AIFF/AIFF-C audio format, encoding and decoding
113 - ADTS AAC file reading and writing
114 - Creative VOC file reading and writing
115 - American Laser Games multimedia (*.mm) playback system
116 - Zip Motion Blocks Video decoder
117 - improved Theora/VP3 decoder
118 - True Audio (TTA) decoder
119 - AVS demuxer and video decoder
121 - Smacker demuxer and decoder
122 - NuppelVideo/MythTV demuxer and RTjpeg decoder
124 - MPEG-2 intra VLC support
125 - MPEG-2 4:2:2 encoder
126 - Flash Screen Video decoder
128 - Chinese AVS decoder
131 - VC-1/WMV3/WMV9 video decoder
134 - VMware video decoder
137 - WavPack lossless audio decoder
138 - Targa (.TGA) picture decoder
139 - Vorbis audio encoder
140 - Delphine Software .cin demuxer/audio and video decoder
141 - Tiertex .seq demuxer/video decoder
143 - TIFF picture encoder and decoder
144 - GIF picture decoder
145 - Intel Music Coder decoder
146 - Zip Motion Blocks Video encoder
148 - Flash Screen Video encoder
149 - Theora encoding via libtheora
152 - GSM-MS encoder and decoder
154 - DXA demuxer and decoder
156 - Gamecube movie (.THP) playback system
157 - Blackfin optimizations
158 - Interplay C93 demuxer and video decoder
159 - Bethsoft VID demuxer and video decoder
162 - V.Flash PTX decoder
163 - RoQ muxer, RoQ audio encoder
164 - Renderware TXD demuxer and decoder
165 - extern C declarations for C++ removed from headers
166 - sws_flags command line option
170 - OS/2 support removed and restored again
173 - additional SPARC (VIS) optimizations
175 - slice-based parallel H.264 decoding
176 - Monkey's Audio demuxer and decoder
177 - AMV audio and video decoder
179 - H.264 PAFF decoding
180 - Nellymoser ASAO decoder
181 - Beam Software SIFF demuxer and decoder
182 - libvorbis Vorbis decoding removed in favor of native decoder
183 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
184 - Ogg (Theora, Vorbis and FLAC) muxer
185 - The "device" muxers and demuxers are now in a new libavdevice library
186 - PC Paintbrush PCX decoder
187 - Sun Rasterfile decoder
188 - TechnoTrend PVA demuxer
189 - Linux Media Labs MPEG-4 (LMLM4) demuxer
190 - AVM2 (Flash 9) SWF muxer
191 - QT variant of IMA ADPCM encoder
193 - iPod/iPhone compatible mp4 muxer
195 - MSN TCP Webcam stream demuxer
196 - RL2 demuxer / decoder
199 - non-recursive Makefiles
201 - MAXIS EA XA (.xa) demuxer / decoder
205 - Electronic Arts CMV decoder
206 - Motion Pixels Video decoder
207 - Motion Pixels MVI demuxer
208 - removed animated GIF decoder/demuxer
209 - D-Cinema audio muxer
210 - Electronic Arts TGV decoder
211 - Apple Lossless Audio Codec (ALAC) encoder
213 - floating point PCM encoder/decoder
215 - DV100 AKA DVCPRO HD decoder and demuxer
216 - E-AC-3 support added to AC-3 decoder
217 - Nellymoser ASAO encoder
218 - ASS and SSA demuxer and muxer
219 - liba52 wrapper removed
220 - SVQ3 watermark decoding support
221 - Speex decoding via libspeex
222 - Electronic Arts TGQ decoder
224 - QCELP / PureVoice decoder
226 - hybrid WavPack support
227 - R3D REDCODE demuxer
228 - ALSA support for playback and record
229 - Electronic Arts TQI decoder
230 - OpenJPEG based JPEG 2000 decoder
231 - NC (NC4600) camera file demuxer
232 - Gopher client support
234 - generic metadata API
240 - DV encoder, DV muxer
241 - Microsoft RLE video decoder
242 - Microsoft Video-1 decoder
243 - Apple Animation (RLE) decoder
244 - Apple Graphics (SMC) decoder
245 - Apple Video (RPZA) decoder
247 - Sega FILM (CPK) file demuxer
248 - Westwood multimedia support (VQA & AUD files)
249 - Id Quake II CIN playback support
251 - FLIC playback support
252 - RealVideo 2.0 (RV20) decoder
253 - Duck TrueMotion v1 (DUCK) video decoder
254 - Sierra VMD demuxer and video decoder
255 - MSZH and ZLIB decoder support
259 - rate distortion optimal cbp support
260 - rate distorted optimal ac prediction for MPEG-4
261 - rate distorted optimal lambda->qp support
262 - AAC encoding with libfaac
263 - Sunplus JPEG codec (SP5X) support
264 - use Lagrange multipler instead of QP for ratecontrol
265 - Theora/VP3 decoding support
266 - XA and ADX ADPCM codecs
267 - export MPEG-2 active display area / pan scan
268 - Add support for configuring with IBM XLC
269 - floating point AAN DCT
270 - initial support for zygo video (not complete)
272 - new audio/video parser API
274 - av_read_frame() and av_seek_frame() support
275 - missing last frame fixes
276 - seek by mouse in ffplay
277 - noise reduction of DCT coefficients
278 - H.263 OBMC & 4MV support
279 - H.263 alternative inter vlc support
281 - H.263 slice structured mode
282 - interlaced DCT support for MPEG-2 encoding
283 - stuffing to stay above min_bitrate
284 - MB type & QP visualization
285 - frame stepping for ffplay
286 - interlaced motion estimation
287 - alternate scantable support
288 - SVCD scan offset support
291 - quantizer noise shaping
292 - G.726 ADPCM audio codec
294 - multithreaded/SMP motion estimation
295 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
296 - multithreaded/SMP decoding for MPEG-2
298 - Metrowerks CodeWarrior suppport
299 - H.263+ custom pcf support
300 - nicer output for 'ffmpeg -formats'
302 - SGI image format, encoding and decoding
303 - H.264 loop filter support
304 - H.264 CABAC support
305 - nicer looking arrows for the motion vector visualization
306 - improved VCD support
307 - audio timestamp drift compensation
308 - MPEG-2 YUV 422/444 support
309 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
310 - better image scaling
312 - correctly interleave packets during encoding
313 - VIS optimized motion compensation
314 - intra_dc_precision>0 encoding support
315 - support reuse of motion vectors/MB types/field select values of the source video
316 - more accurate deblock filter
318 - many optimizations and bugfixes
319 - FunCom ISS audio file demuxer and according ADPCM decoding
325 - MPEG-2 video encoding (Michael)
326 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
327 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
329 - Xan DPCM audio decoder (Mario Brito)
330 - Interplay MVE playback subsystem (Mike Melanson)
331 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
337 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
338 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
339 - current version now also compiles with older GCC (Fabrice)
340 - 4X multimedia playback system including 4xm file demuxer (Mike
341 Melanson), and 4X video and audio codecs (Michael)
342 - Creative YUV (CYUV) decoder (Mike Melanson)
343 - FFV1 codec (our very simple lossless intra only codec, compresses much better
344 than HuffYUV) (Michael)
345 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
346 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
347 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
348 - ffplay has been replaced with a newer version which uses SDL (optionally)
349 for multiplatform support (Fabrice)
350 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
352 - AMR format has been added (Johannes Carlsson)
353 - 3GP support has been added (Johannes Carlsson)
354 - VP3 codec has been added (Mike Melanson)
355 - more MPEG-1/2 fixes
356 - better multiplatform support, MS Visual Studio fixes (various)
357 - AltiVec optimizations (Magnus Damn and others)
358 - SH4 processor support has been added (BERO)
359 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
360 - VOB streaming support (Brian Foley)
361 - better MP3 autodetection (Andriy Rysin)
362 - qpel encoding (Michael)
363 - 4mv+b frames encoding finally fixed (Michael)
364 - chroma ME (Michael)
365 - 5 comparison functions for ME (Michael)
366 - B-frame encoding speedup (Michael)
367 - WMV2 codec (unfinished - Michael)
368 - user specified diamond size for EPZS (Michael)
369 - Playstation STR playback subsystem, still experimental (Mike and Michael)
370 - ASV2 codec (Michael)
371 - CLJR decoder (Alex)
373 .. And lots more new enhancements and fixes.
379 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
381 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
382 - fix quantization bug in AC3 encoder
383 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
384 - added prototype ffplay program
385 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
386 - bug fix on MCBPC tables of H.263 (Juanjo)
387 - bug fix on DC coefficients of H.263 (Juanjo)
388 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
389 - now we can decode H.263 streams found in QuickTime files (Juanjo)
390 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
391 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
392 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
393 - now H.263 picture size is returned on the first decoded frame (Juanjo)
394 - added first regression tests
395 - added MPEG-2 TS demuxer
396 - new demux API for libav
397 - more accurate and faster IDCT (Michael)
398 - faster and entropy-controlled motion search (Michael)
399 - two pass video encoding (Michael)
400 - new video rate control (Michael)
401 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
402 - great performance improvement of video encoders and decoders (Michael)
403 - new and faster bit readers and vlc parsers (Michael)
404 - high quality encoding mode: tries all macroblock/VLC types (Michael)
405 - added DV video decoder
406 - preliminary RTP/RTSP support in ffserver and libavformat
407 - H.263+ AIC decoding/encoding support (Juanjo)
408 - VCD MPEG-PS mode (Juanjo)
409 - PSNR stuff (Juanjo)
410 - simple stats output (Juanjo)
411 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
417 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
418 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
419 - added configure system (actually a small shell script)
420 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
421 Michael Hipp (temporary solution - waiting for integer only
423 - fixed VIDIOCSYNC interrupt
424 - added Intel H.263 decoding support ('I263' AVI fourCC)
425 - added Real Video 1.0 decoding (needs further testing)
426 - simplified image formats again. Added PGM format (=grey
427 pgm). Renamed old PGM to PGMYUV.
428 - fixed msmpeg4 slice issues (tell me if you still find problems)
429 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
430 - added support for MPlayer interface
431 - added macroblock skip optimization
432 - added MJPEG decoder
433 - added mmx/mmxext IDCT from libmpeg2
434 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
435 <celer at shell.scrypt.net>)
436 - added pixel format conversion layer (e.g. for MJPEG or PPM)
437 - added deinterlacing option
439 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
440 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
441 - Windows porting of file converter
442 - added MJPEG raw format (input/ouput)
443 - added JPEG image format support (input/output)
449 - fixed some std header definitions (Bjorn Lindgren
450 <bjorn.e.lindgren at telia.com>).
451 - added MPEG demuxer (MPEG-1 and 2 compatible).
453 - added prototype RM demuxer
454 - added AC3 decoding (done with libac3 by Aaron Holtzman)
455 - added decoding codec parameter guessing (.e.g. for MPEG, because the
456 header does not include them)
457 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
458 play them (only tested video)
459 - fixed H.263 white bug
460 - fixed phase rounding in img resample filter
461 - add MMX code for polyphase img resample filter
462 - added CPU autodetection
463 - added generic title/author/copyright/comment string handling (ASF and RM
465 - added SWF demux to extract MP3 track (not usable yet because no MP3
467 - added fractional frame rate support
468 - codecs are no longer searched by read_header() (should fix ffserver
475 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
476 - fixed raw yuv output
477 - added motion rounding support in MPEG-4
478 - fixed motion bug rounding in MSMPEG4
479 - added B-frame handling in video core
480 - added full MPEG-1 decoding support
481 - added partial (frame only) MPEG-2 support
482 - changed the FOURCC code for H.263 to "U263" to be able to see the
483 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
484 this +codec ;) (JuanJo).
485 - Halfpel motion estimation after MB type selection (JuanJo)
486 - added pgm and .Y.U.V output format
487 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
489 - added pgmpipe I/O format (original patch from Martin Aumueller
490 <lists at reserv.at>, but changed completely since we use a format
491 instead of a protocol)
497 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
498 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
499 missing. MSMPEG4 support is complete.
500 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
501 can decode ffmpeg MPEGs :-)).
502 - added libavcodec API documentation (see apiexample.c).
503 - fixed image polyphase bug (the bottom of some images could be
505 - added support for non clipped motion vectors (decoding only)
506 and image sizes non-multiple of 16
507 - added support for AC prediction (decoding only)
508 - added file overwrite confirmation (can be disabled with -y)
509 - added custom size picture to H.263 using H.263+ (Juanjo)
514 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
515 of AVI and ASF to DIV3.
516 - added -me option to set motion estimation method
517 (default=log). suppressed redundant -hq option.
518 - added options -acodec and -vcodec to force a given codec (useful for
521 - improved dct_quantize speed
522 - factorized some motion estimation code
528 - removing grab code from ffserver and moved it to ffmpeg. Added
529 multistream support to ffmpeg.
530 - added timeshifting support for live feeds (option ?date=xxx in the
532 - added high quality image resize code with polyphase filter (need
533 mmx/see optimization). Enable multiple image size support in ffserver.
534 - added multi live feed support in ffserver
535 - suppressed master feature from ffserver (it should be done with an
536 external program which opens the .ffm url and writes it to another
538 - added preliminary support for video stream parsing (WAV and AVI half
539 done). Added proper support for audio/video file conversion in
541 - added preliminary support for video file sending from ffserver
542 - redesigning I/O subsystem: now using URL based input and output
544 - added WAV format support
545 - added "tty user interface" to ffmpeg to stop grabbing gracefully
546 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
547 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
548 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
549 - added new motion estimation algorithms, log and phods (Juanjo)
550 - changed directories: libav for format handling, libavcodec for
557 - added stereo in MPEG audio encoder
563 - added 'high quality' mode which use motion vectors. It can be used in
564 real time at low resolution.
565 - fixed rounding problems which caused quality problems at high
566 bitrates and large GOP size
570 version 0.3.2: small fixes
577 version 0.3.1: added avi/divx support
580 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
581 - added sound for flash format (not tested)
585 version 0.3: initial public release