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
52 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
53 - TechSmith Camtasia (TSCC) video decoder
54 - IBM Ultimotion (ULTI) video decoder
55 - Sierra Online audio file demuxer and decoder
56 - Apple QuickDraw (qdrw) video decoder
57 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
58 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
59 - Miro VideoXL (VIXL) video decoder
62 - Nullsoft Video (NSV) file demuxer
63 - Shorten audio decoder
65 - Apple Lossless Audio Codec (ALAC) decoder
66 - Winnov WNV1 video decoder
67 - Autodesk Animator Studio Codec (AASC) decoder
68 - Indeo 2 video decoder
69 - Fraps FPS1 video decoder
70 - Snow video encoder/decoder
71 - Sonic audio encoder/decoder
72 - Vorbis audio decoder
73 - Macromedia ADPCM decoder
74 - Duck TrueMotion 2 video decoder
75 - support for decoding FLX and DTA extensions in FLIC files
76 - H.264 custom quantization matrices support
77 - ffserver fixed, it should now be usable again
79 - Real Cooker audio decoder
80 - TrueSpeech audio decoder
81 - WMA2 audio decoder fixed, now all files should play correctly
82 - RealAudio 14.4 and 28.8 decoders fixed
84 - build system improvements
85 - tabs and trailing whitespace removed from the codebase
86 - CamStudio video decoder
87 - AIFF/AIFF-C audio format, encoding and decoding
88 - ADTS AAC file reading and writing
89 - Creative VOC file reading and writing
90 - American Laser Games multimedia (*.mm) playback system
91 - Zip Motion Blocks Video decoder
92 - improved Theora/VP3 decoder
93 - True Audio (TTA) decoder
94 - AVS demuxer and video decoder
96 - Smacker demuxer and decoder
97 - NuppelVideo/MythTV demuxer and RTjpeg decoder
99 - MPEG-2 intra VLC support
100 - MPEG-2 4:2:2 encoder
101 - Flash Screen Video decoder
103 - Chinese AVS decoder
106 - VC-1/WMV3/WMV9 video decoder
109 - VMware video decoder
112 - WavPack lossless audio decoder
113 - Targa (.TGA) picture decoder
114 - Vorbis audio encoder
115 - Delphine Software .cin demuxer/audio and video decoder
116 - Tiertex .seq demuxer/video decoder
118 - TIFF picture encoder and decoder
119 - GIF picture decoder
120 - Intel Music Coder decoder
121 - Zip Motion Blocks Video encoder
123 - Flash Screen Video encoder
124 - Theora encoding via libtheora
127 - GSM-MS encoder and decoder
129 - DXA demuxer and decoder
131 - Gamecube movie (.THP) playback system
132 - Blackfin optimizations
133 - Interplay C93 demuxer and video decoder
134 - Bethsoft VID demuxer and video decoder
137 - V.Flash PTX decoder
138 - RoQ muxer, RoQ audio encoder
139 - Renderware TXD demuxer and decoder
140 - extern C declarations for C++ removed from headers
141 - sws_flags command line option
145 - OS/2 support removed and restored again
148 - additional SPARC (VIS) optimizations
150 - slice-based parallel H.264 decoding
151 - Monkey's Audio demuxer and decoder
152 - AMV audio and video decoder
154 - H.264 PAFF decoding
155 - Nellymoser ASAO decoder
156 - Beam Software SIFF demuxer and decoder
157 - libvorbis Vorbis decoding removed in favor of native decoder
158 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
159 - Ogg (Theora, Vorbis and FLAC) muxer
160 - The "device" muxers and demuxers are now in a new libavdevice library
161 - PC Paintbrush PCX decoder
162 - Sun Rasterfile decoder
163 - TechnoTrend PVA demuxer
164 - Linux Media Labs MPEG-4 (LMLM4) demuxer
165 - AVM2 (Flash 9) SWF muxer
166 - QT variant of IMA ADPCM encoder
168 - iPod/iPhone compatible mp4 muxer
170 - MSN TCP Webcam stream demuxer
171 - RL2 demuxer / decoder
174 - non-recursive Makefiles
176 - MAXIS EA XA (.xa) demuxer / decoder
180 - Electronic Arts CMV decoder
181 - Motion Pixels Video decoder
182 - Motion Pixels MVI demuxer
183 - removed animated GIF decoder/demuxer
184 - D-Cinema audio muxer
185 - Electronic Arts TGV decoder
186 - Apple Lossless Audio Codec (ALAC) encoder
188 - floating point PCM encoder/decoder
190 - DV100 AKA DVCPRO HD decoder and demuxer
191 - E-AC-3 support added to AC-3 decoder
192 - Nellymoser ASAO encoder
193 - ASS and SSA demuxer and muxer
194 - liba52 wrapper removed
195 - SVQ3 watermark decoding support
196 - Speex decoding via libspeex
197 - Electronic Arts TGQ decoder
199 - QCELP / PureVoice decoder
201 - hybrid WavPack support
202 - R3D REDCODE demuxer
203 - ALSA support for playback and record
204 - Electronic Arts TQI decoder
205 - OpenJPEG based JPEG 2000 decoder
206 - NC (NC4600) camera file demuxer
207 - Gopher client support
209 - generic metadata API
215 - DV encoder, DV muxer
216 - Microsoft RLE video decoder
217 - Microsoft Video-1 decoder
218 - Apple Animation (RLE) decoder
219 - Apple Graphics (SMC) decoder
220 - Apple Video (RPZA) decoder
222 - Sega FILM (CPK) file demuxer
223 - Westwood multimedia support (VQA & AUD files)
224 - Id Quake II CIN playback support
226 - FLIC playback support
227 - RealVideo 2.0 (RV20) decoder
228 - Duck TrueMotion v1 (DUCK) video decoder
229 - Sierra VMD demuxer and video decoder
230 - MSZH and ZLIB decoder support
234 - rate distortion optimal cbp support
235 - rate distorted optimal ac prediction for MPEG-4
236 - rate distorted optimal lambda->qp support
237 - AAC encoding with libfaac
238 - Sunplus JPEG codec (SP5X) support
239 - use Lagrange multipler instead of QP for ratecontrol
240 - Theora/VP3 decoding support
241 - XA and ADX ADPCM codecs
242 - export MPEG-2 active display area / pan scan
243 - Add support for configuring with IBM XLC
244 - floating point AAN DCT
245 - initial support for zygo video (not complete)
247 - new audio/video parser API
249 - av_read_frame() and av_seek_frame() support
250 - missing last frame fixes
251 - seek by mouse in ffplay
252 - noise reduction of DCT coefficients
253 - H.263 OBMC & 4MV support
254 - H.263 alternative inter vlc support
256 - H.263 slice structured mode
257 - interlaced DCT support for MPEG-2 encoding
258 - stuffing to stay above min_bitrate
259 - MB type & QP visualization
260 - frame stepping for ffplay
261 - interlaced motion estimation
262 - alternate scantable support
263 - SVCD scan offset support
266 - quantizer noise shaping
267 - G.726 ADPCM audio codec
269 - multithreaded/SMP motion estimation
270 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
271 - multithreaded/SMP decoding for MPEG-2
273 - Metrowerks CodeWarrior suppport
274 - H.263+ custom pcf support
275 - nicer output for 'ffmpeg -formats'
277 - SGI image format, encoding and decoding
278 - H.264 loop filter support
279 - H.264 CABAC support
280 - nicer looking arrows for the motion vector visualization
281 - improved VCD support
282 - audio timestamp drift compensation
283 - MPEG-2 YUV 422/444 support
284 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
285 - better image scaling
287 - correctly interleave packets during encoding
288 - VIS optimized motion compensation
289 - intra_dc_precision>0 encoding support
290 - support reuse of motion vectors/MB types/field select values of the source video
291 - more accurate deblock filter
293 - many optimizations and bugfixes
294 - FunCom ISS audio file demuxer and according ADPCM decoding
300 - MPEG-2 video encoding (Michael)
301 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
302 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
304 - Xan DPCM audio decoder (Mario Brito)
305 - Interplay MVE playback subsystem (Mike Melanson)
306 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
312 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
313 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
314 - current version now also compiles with older GCC (Fabrice)
315 - 4X multimedia playback system including 4xm file demuxer (Mike
316 Melanson), and 4X video and audio codecs (Michael)
317 - Creative YUV (CYUV) decoder (Mike Melanson)
318 - FFV1 codec (our very simple lossless intra only codec, compresses much better
319 than HuffYUV) (Michael)
320 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
321 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
322 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
323 - ffplay has been replaced with a newer version which uses SDL (optionally)
324 for multiplatform support (Fabrice)
325 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
327 - AMR format has been added (Johannes Carlsson)
328 - 3GP support has been added (Johannes Carlsson)
329 - VP3 codec has been added (Mike Melanson)
330 - more MPEG-1/2 fixes
331 - better multiplatform support, MS Visual Studio fixes (various)
332 - AltiVec optimizations (Magnus Damn and others)
333 - SH4 processor support has been added (BERO)
334 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
335 - VOB streaming support (Brian Foley)
336 - better MP3 autodetection (Andriy Rysin)
337 - qpel encoding (Michael)
338 - 4mv+b frames encoding finally fixed (Michael)
339 - chroma ME (Michael)
340 - 5 comparison functions for ME (Michael)
341 - B-frame encoding speedup (Michael)
342 - WMV2 codec (unfinished - Michael)
343 - user specified diamond size for EPZS (Michael)
344 - Playstation STR playback subsystem, still experimental (Mike and Michael)
345 - ASV2 codec (Michael)
346 - CLJR decoder (Alex)
348 .. And lots more new enhancements and fixes.
354 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
356 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
357 - fix quantization bug in AC3 encoder
358 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
359 - added prototype ffplay program
360 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
361 - bug fix on MCBPC tables of H.263 (Juanjo)
362 - bug fix on DC coefficients of H.263 (Juanjo)
363 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
364 - now we can decode H.263 streams found in QuickTime files (Juanjo)
365 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
366 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
367 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
368 - now H.263 picture size is returned on the first decoded frame (Juanjo)
369 - added first regression tests
370 - added MPEG-2 TS demuxer
371 - new demux API for libav
372 - more accurate and faster IDCT (Michael)
373 - faster and entropy-controlled motion search (Michael)
374 - two pass video encoding (Michael)
375 - new video rate control (Michael)
376 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
377 - great performance improvement of video encoders and decoders (Michael)
378 - new and faster bit readers and vlc parsers (Michael)
379 - high quality encoding mode: tries all macroblock/VLC types (Michael)
380 - added DV video decoder
381 - preliminary RTP/RTSP support in ffserver and libavformat
382 - H.263+ AIC decoding/encoding support (Juanjo)
383 - VCD MPEG-PS mode (Juanjo)
384 - PSNR stuff (Juanjo)
385 - simple stats output (Juanjo)
386 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
392 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
393 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
394 - added configure system (actually a small shell script)
395 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
396 Michael Hipp (temporary solution - waiting for integer only
398 - fixed VIDIOCSYNC interrupt
399 - added Intel H.263 decoding support ('I263' AVI fourCC)
400 - added Real Video 1.0 decoding (needs further testing)
401 - simplified image formats again. Added PGM format (=grey
402 pgm). Renamed old PGM to PGMYUV.
403 - fixed msmpeg4 slice issues (tell me if you still find problems)
404 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
405 - added support for MPlayer interface
406 - added macroblock skip optimization
407 - added MJPEG decoder
408 - added mmx/mmxext IDCT from libmpeg2
409 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
410 <celer at shell.scrypt.net>)
411 - added pixel format conversion layer (e.g. for MJPEG or PPM)
412 - added deinterlacing option
414 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
415 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
416 - Windows porting of file converter
417 - added MJPEG raw format (input/ouput)
418 - added JPEG image format support (input/output)
424 - fixed some std header definitions (Bjorn Lindgren
425 <bjorn.e.lindgren at telia.com>).
426 - added MPEG demuxer (MPEG-1 and 2 compatible).
428 - added prototype RM demuxer
429 - added AC3 decoding (done with libac3 by Aaron Holtzman)
430 - added decoding codec parameter guessing (.e.g. for MPEG, because the
431 header does not include them)
432 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
433 play them (only tested video)
434 - fixed H.263 white bug
435 - fixed phase rounding in img resample filter
436 - add MMX code for polyphase img resample filter
437 - added CPU autodetection
438 - added generic title/author/copyright/comment string handling (ASF and RM
440 - added SWF demux to extract MP3 track (not usable yet because no MP3
442 - added fractional frame rate support
443 - codecs are no longer searched by read_header() (should fix ffserver
450 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
451 - fixed raw yuv output
452 - added motion rounding support in MPEG-4
453 - fixed motion bug rounding in MSMPEG4
454 - added B-frame handling in video core
455 - added full MPEG-1 decoding support
456 - added partial (frame only) MPEG-2 support
457 - changed the FOURCC code for H.263 to "U263" to be able to see the
458 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
459 this +codec ;) (JuanJo).
460 - Halfpel motion estimation after MB type selection (JuanJo)
461 - added pgm and .Y.U.V output format
462 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
464 - added pgmpipe I/O format (original patch from Martin Aumueller
465 <lists at reserv.at>, but changed completely since we use a format
466 instead of a protocol)
472 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
473 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
474 missing. MSMPEG4 support is complete.
475 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
476 can decode ffmpeg MPEGs :-)).
477 - added libavcodec API documentation (see apiexample.c).
478 - fixed image polyphase bug (the bottom of some images could be
480 - added support for non clipped motion vectors (decoding only)
481 and image sizes non-multiple of 16
482 - added support for AC prediction (decoding only)
483 - added file overwrite confirmation (can be disabled with -y)
484 - added custom size picture to H.263 using H.263+ (Juanjo)
489 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
490 of AVI and ASF to DIV3.
491 - added -me option to set motion estimation method
492 (default=log). suppressed redundant -hq option.
493 - added options -acodec and -vcodec to force a given codec (useful for
496 - improved dct_quantize speed
497 - factorized some motion estimation code
503 - removing grab code from ffserver and moved it to ffmpeg. Added
504 multistream support to ffmpeg.
505 - added timeshifting support for live feeds (option ?date=xxx in the
507 - added high quality image resize code with polyphase filter (need
508 mmx/see optimization). Enable multiple image size support in ffserver.
509 - added multi live feed support in ffserver
510 - suppressed master feature from ffserver (it should be done with an
511 external program which opens the .ffm url and writes it to another
513 - added preliminary support for video stream parsing (WAV and AVI half
514 done). Added proper support for audio/video file conversion in
516 - added preliminary support for video file sending from ffserver
517 - redesigning I/O subsystem: now using URL based input and output
519 - added WAV format support
520 - added "tty user interface" to ffmpeg to stop grabbing gracefully
521 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
522 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
523 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
524 - added new motion estimation algorithms, log and phods (Juanjo)
525 - changed directories: libav for format handling, libavcodec for
532 - added stereo in MPEG audio encoder
538 - added 'high quality' mode which use motion vectors. It can be used in
539 real time at low resolution.
540 - fixed rounding problems which caused quality problems at high
541 bitrates and large GOP size
545 version 0.3.2: small fixes
552 version 0.3.1: added avi/divx support
555 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
556 - added sound for flash format (not tested)
560 version 0.3: initial public release