Add Bluray Subtitle Support
[libav.git] / Changelog
1 Entries are sorted chronologically from oldest to youngest within each release,
2 releases are sorted from youngest to oldest.
3
4
5 version <next>:
6
7 - PB-frame decoding for H.263
8 - deprecated vhook subsystem removed
9 - deprecated old scaler removed
10 - VQF demuxer
11 - Alpha channel scaler
12 - PCX encoder
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
23 - QCP demuxer
24 - SoX native format muxer and demuxer
25 - AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
26 - DPX image decoder
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
34 - Wave64 demuxer
35 - IEC-61937 compatible Muxer
36 - TwinVQ decoder
37 - Bluray (PGS) subtitle decoder
38
39
40
41 version 0.5:
42
43 - DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
44 - TechSmith Camtasia (TSCC) video decoder
45 - IBM Ultimotion (ULTI) video decoder
46 - Sierra Online audio file demuxer and decoder
47 - Apple QuickDraw (qdrw) video decoder
48 - Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
49 - Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
50 - Miro VideoXL (VIXL) video decoder
51 - H.261 video encoder
52 - QPEG video decoder
53 - Nullsoft Video (NSV) file demuxer
54 - Shorten audio decoder
55 - LOCO video decoder
56 - Apple Lossless Audio Codec (ALAC) decoder
57 - Winnov WNV1 video decoder
58 - Autodesk Animator Studio Codec (AASC) decoder
59 - Indeo 2 video decoder
60 - Fraps FPS1 video decoder
61 - Snow video encoder/decoder
62 - Sonic audio encoder/decoder
63 - Vorbis audio decoder
64 - Macromedia ADPCM decoder
65 - Duck TrueMotion 2 video decoder
66 - support for decoding FLX and DTA extensions in FLIC files
67 - H.264 custom quantization matrices support
68 - ffserver fixed, it should now be usable again
69 - QDM2 audio decoder
70 - Real Cooker audio decoder
71 - TrueSpeech audio decoder
72 - WMA2 audio decoder fixed, now all files should play correctly
73 - RealAudio 14.4 and 28.8 decoders fixed
74 - JPEG-LS decoder
75 - build system improvements
76 - tabs and trailing whitespace removed from the codebase
77 - CamStudio video decoder
78 - AIFF/AIFF-C audio format, encoding and decoding
79 - ADTS AAC file reading and writing
80 - Creative VOC file reading and writing
81 - American Laser Games multimedia (*.mm) playback system
82 - Zip Motion Blocks Video decoder
83 - improved Theora/VP3 decoder
84 - True Audio (TTA) decoder
85 - AVS demuxer and video decoder
86 - JPEG-LS encoder
87 - Smacker demuxer and decoder
88 - NuppelVideo/MythTV demuxer and RTjpeg decoder
89 - KMVC decoder
90 - MPEG-2 intra VLC support
91 - MPEG-2 4:2:2 encoder
92 - Flash Screen Video decoder
93 - GXF demuxer
94 - Chinese AVS decoder
95 - GXF muxer
96 - MXF demuxer
97 - VC-1/WMV3/WMV9 video decoder
98 - MacIntel support
99 - AVISynth support
100 - VMware video decoder
101 - VP5 video decoder
102 - VP6 video decoder
103 - WavPack lossless audio decoder
104 - Targa (.TGA) picture decoder
105 - Vorbis audio encoder
106 - Delphine Software .cin demuxer/audio and video decoder
107 - Tiertex .seq demuxer/video decoder
108 - MTV demuxer
109 - TIFF picture encoder and decoder
110 - GIF picture decoder
111 - Intel Music Coder decoder
112 - Zip Motion Blocks Video encoder
113 - Musepack decoder
114 - Flash Screen Video encoder
115 - Theora encoding via libtheora
116 - BMP encoder
117 - WMA encoder
118 - GSM-MS encoder and decoder
119 - DCA decoder
120 - DXA demuxer and decoder
121 - DNxHD decoder
122 - Gamecube movie (.THP) playback system
123 - Blackfin optimizations
124 - Interplay C93 demuxer and video decoder
125 - Bethsoft VID demuxer and video decoder
126 - CRYO APC demuxer
127 - Atrac3 decoder
128 - V.Flash PTX decoder
129 - RoQ muxer, RoQ audio encoder
130 - Renderware TXD demuxer and decoder
131 - extern C declarations for C++ removed from headers
132 - sws_flags command line option
133 - codebook generator
134 - RoQ video encoder
135 - QTRLE encoder
136 - OS/2 support removed and restored again
137 - AC-3 decoder
138 - NUT muxer
139 - additional SPARC (VIS) optimizations
140 - Matroska muxer
141 - slice-based parallel H.264 decoding
142 - Monkey's Audio demuxer and decoder
143 - AMV audio and video decoder
144 - DNxHD encoder
145 - H.264 PAFF decoding
146 - Nellymoser ASAO decoder
147 - Beam Software SIFF demuxer and decoder
148 - libvorbis Vorbis decoding removed in favor of native decoder
149 - IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
150 - Ogg (Theora, Vorbis and FLAC) muxer
151 - The "device" muxers and demuxers are now in a new libavdevice library
152 - PC Paintbrush PCX decoder
153 - Sun Rasterfile decoder
154 - TechnoTrend PVA demuxer
155 - Linux Media Labs MPEG-4 (LMLM4) demuxer
156 - AVM2 (Flash 9) SWF muxer
157 - QT variant of IMA ADPCM encoder
158 - VFW grabber
159 - iPod/iPhone compatible mp4 muxer
160 - Mimic decoder
161 - MSN TCP Webcam stream demuxer
162 - RL2 demuxer / decoder
163 - IFF demuxer
164 - 8SVX audio decoder
165 - non-recursive Makefiles
166 - BFI demuxer
167 - MAXIS EA XA (.xa) demuxer / decoder
168 - BFI video decoder
169 - OMA demuxer
170 - MLP/TrueHD decoder
171 - Electronic Arts CMV decoder
172 - Motion Pixels Video decoder
173 - Motion Pixels MVI demuxer
174 - removed animated GIF decoder/demuxer
175 - D-Cinema audio muxer
176 - Electronic Arts TGV decoder
177 - Apple Lossless Audio Codec (ALAC) encoder
178 - AAC decoder
179 - floating point PCM encoder/decoder
180 - MXF muxer
181 - DV100 AKA DVCPRO HD decoder and demuxer
182 - E-AC-3 support added to AC-3 decoder
183 - Nellymoser ASAO encoder
184 - ASS and SSA demuxer and muxer
185 - liba52 wrapper removed
186 - SVQ3 watermark decoding support
187 - Speex decoding via libspeex
188 - Electronic Arts TGQ decoder
189 - RV40 decoder
190 - QCELP / PureVoice decoder
191 - RV30 decoder
192 - hybrid WavPack support
193 - R3D REDCODE demuxer
194 - ALSA support for playback and record
195 - Electronic Arts TQI decoder
196 - OpenJPEG based JPEG 2000 decoder
197 - NC (NC4600) camera file demuxer
198 - Gopher client support
199 - MXF D-10 muxer
200 - generic metadata API
201
202
203
204 version 0.4.9-pre1:
205
206 - DV encoder, DV muxer
207 - Microsoft RLE video decoder
208 - Microsoft Video-1 decoder
209 - Apple Animation (RLE) decoder
210 - Apple Graphics (SMC) decoder
211 - Apple Video (RPZA) decoder
212 - Cinepak decoder
213 - Sega FILM (CPK) file demuxer
214 - Westwood multimedia support (VQA & AUD files)
215 - Id Quake II CIN playback support
216 - 8BPS video decoder
217 - FLIC playback support
218 - RealVideo 2.0 (RV20) decoder
219 - Duck TrueMotion v1 (DUCK) video decoder
220 - Sierra VMD demuxer and video decoder
221 - MSZH and ZLIB decoder support
222 - SVQ1 video encoder
223 - AMR-WB support
224 - PPC optimizations
225 - rate distortion optimal cbp support
226 - rate distorted optimal ac prediction for MPEG-4
227 - rate distorted optimal lambda->qp support
228 - AAC encoding with libfaac
229 - Sunplus JPEG codec (SP5X) support
230 - use Lagrange multipler instead of QP for ratecontrol
231 - Theora/VP3 decoding support
232 - XA and ADX ADPCM codecs
233 - export MPEG-2 active display area / pan scan
234 - Add support for configuring with IBM XLC
235 - floating point AAN DCT
236 - initial support for zygo video (not complete)
237 - RGB ffv1 support
238 - new audio/video parser API
239 - av_log() system
240 - av_read_frame() and av_seek_frame() support
241 - missing last frame fixes
242 - seek by mouse in ffplay
243 - noise reduction of DCT coefficients
244 - H.263 OBMC & 4MV support
245 - H.263 alternative inter vlc support
246 - H.263 loop filter
247 - H.263 slice structured mode
248 - interlaced DCT support for MPEG-2 encoding
249 - stuffing to stay above min_bitrate
250 - MB type & QP visualization
251 - frame stepping for ffplay
252 - interlaced motion estimation
253 - alternate scantable support
254 - SVCD scan offset support
255 - closed GOP support
256 - SSE2 FDCT
257 - quantizer noise shaping
258 - G.726 ADPCM audio codec
259 - MS ADPCM encoding
260 - multithreaded/SMP motion estimation
261 - multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
262 - multithreaded/SMP decoding for MPEG-2
263 - FLAC decoder
264 - Metrowerks CodeWarrior suppport
265 - H.263+ custom pcf support
266 - nicer output for 'ffmpeg -formats'
267 - Matroska demuxer
268 - SGI image format, encoding and decoding
269 - H.264 loop filter support
270 - H.264 CABAC support
271 - nicer looking arrows for the motion vector visualization
272 - improved VCD support
273 - audio timestamp drift compensation
274 - MPEG-2 YUV 422/444 support
275 - polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
276 - better image scaling
277 - H.261 support
278 - correctly interleave packets during encoding
279 - VIS optimized motion compensation
280 - intra_dc_precision>0 encoding support
281 - support reuse of motion vectors/MB types/field select values of the source video
282 - more accurate deblock filter
283 - padding support
284 - many optimizations and bugfixes
285 - FunCom ISS audio file demuxer and according ADPCM decoding
286
287
288
289 version 0.4.8:
290
291 - MPEG-2 video encoding (Michael)
292 - Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
293 - Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
294 and Mario Brito)
295 - Xan DPCM audio decoder (Mario Brito)
296 - Interplay MVE playback subsystem (Mike Melanson)
297 - Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
298
299
300
301 version 0.4.7:
302
303 - RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
304 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
305 - current version now also compiles with older GCC (Fabrice)
306 - 4X multimedia playback system including 4xm file demuxer (Mike
307 Melanson), and 4X video and audio codecs (Michael)
308 - Creative YUV (CYUV) decoder (Mike Melanson)
309 - FFV1 codec (our very simple lossless intra only codec, compresses much better
310 than HuffYUV) (Michael)
311 - ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
312 - tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
313 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
314 - ffplay has been replaced with a newer version which uses SDL (optionally)
315 for multiplatform support (Fabrice)
316 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
317 by anonymous
318 - AMR format has been added (Johannes Carlsson)
319 - 3GP support has been added (Johannes Carlsson)
320 - VP3 codec has been added (Mike Melanson)
321 - more MPEG-1/2 fixes
322 - better multiplatform support, MS Visual Studio fixes (various)
323 - AltiVec optimizations (Magnus Damn and others)
324 - SH4 processor support has been added (BERO)
325 - new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
326 - VOB streaming support (Brian Foley)
327 - better MP3 autodetection (Andriy Rysin)
328 - qpel encoding (Michael)
329 - 4mv+b frames encoding finally fixed (Michael)
330 - chroma ME (Michael)
331 - 5 comparison functions for ME (Michael)
332 - B-frame encoding speedup (Michael)
333 - WMV2 codec (unfinished - Michael)
334 - user specified diamond size for EPZS (Michael)
335 - Playstation STR playback subsystem, still experimental (Mike and Michael)
336 - ASV2 codec (Michael)
337 - CLJR decoder (Alex)
338
339 .. And lots more new enhancements and fixes.
340
341
342
343 version 0.4.6:
344
345 - completely new integer only MPEG audio layer 1/2/3 decoder rewritten
346 from scratch
347 - Recoded DCT and motion vector search with gcc (no longer depends on nasm)
348 - fix quantization bug in AC3 encoder
349 - added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
350 - added prototype ffplay program
351 - added GOB header parsing on H.263/H.263+ decoder (Juanjo)
352 - bug fix on MCBPC tables of H.263 (Juanjo)
353 - bug fix on DC coefficients of H.263 (Juanjo)
354 - added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
355 - now we can decode H.263 streams found in QuickTime files (Juanjo)
356 - now we can decode H.263 streams found in VIVO v1 files(Juanjo)
357 - preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
358 - added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
359 - now H.263 picture size is returned on the first decoded frame (Juanjo)
360 - added first regression tests
361 - added MPEG-2 TS demuxer
362 - new demux API for libav
363 - more accurate and faster IDCT (Michael)
364 - faster and entropy-controlled motion search (Michael)
365 - two pass video encoding (Michael)
366 - new video rate control (Michael)
367 - added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
368 - great performance improvement of video encoders and decoders (Michael)
369 - new and faster bit readers and vlc parsers (Michael)
370 - high quality encoding mode: tries all macroblock/VLC types (Michael)
371 - added DV video decoder
372 - preliminary RTP/RTSP support in ffserver and libavformat
373 - H.263+ AIC decoding/encoding support (Juanjo)
374 - VCD MPEG-PS mode (Juanjo)
375 - PSNR stuff (Juanjo)
376 - simple stats output (Juanjo)
377 - 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
378
379
380
381 version 0.4.5:
382
383 - some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
384 - many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
385 - added configure system (actually a small shell script)
386 - added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
387 Michael Hipp (temporary solution - waiting for integer only
388 decoder)
389 - fixed VIDIOCSYNC interrupt
390 - added Intel H.263 decoding support ('I263' AVI fourCC)
391 - added Real Video 1.0 decoding (needs further testing)
392 - simplified image formats again. Added PGM format (=grey
393 pgm). Renamed old PGM to PGMYUV.
394 - fixed msmpeg4 slice issues (tell me if you still find problems)
395 - fixed OpenDivX bugs with newer versions (added VOL header decoding)
396 - added support for MPlayer interface
397 - added macroblock skip optimization
398 - added MJPEG decoder
399 - added mmx/mmxext IDCT from libmpeg2
400 - added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
401 <celer at shell.scrypt.net>)
402 - added pixel format conversion layer (e.g. for MJPEG or PPM)
403 - added deinterlacing option
404 - MPEG-1/2 fixes
405 - MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
406 - ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
407 - Windows porting of file converter
408 - added MJPEG raw format (input/ouput)
409 - added JPEG image format support (input/output)
410
411
412
413 version 0.4.4:
414
415 - fixed some std header definitions (Bjorn Lindgren
416 <bjorn.e.lindgren at telia.com>).
417 - added MPEG demuxer (MPEG-1 and 2 compatible).
418 - added ASF demuxer
419 - added prototype RM demuxer
420 - added AC3 decoding (done with libac3 by Aaron Holtzman)
421 - added decoding codec parameter guessing (.e.g. for MPEG, because the
422 header does not include them)
423 - fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
424 play them (only tested video)
425 - fixed H.263 white bug
426 - fixed phase rounding in img resample filter
427 - add MMX code for polyphase img resample filter
428 - added CPU autodetection
429 - added generic title/author/copyright/comment string handling (ASF and RM
430 use them)
431 - added SWF demux to extract MP3 track (not usable yet because no MP3
432 decoder)
433 - added fractional frame rate support
434 - codecs are no longer searched by read_header() (should fix ffserver
435 segfault)
436
437
438
439 version 0.4.3:
440
441 - BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
442 - fixed raw yuv output
443 - added motion rounding support in MPEG-4
444 - fixed motion bug rounding in MSMPEG4
445 - added B-frame handling in video core
446 - added full MPEG-1 decoding support
447 - added partial (frame only) MPEG-2 support
448 - changed the FOURCC code for H.263 to "U263" to be able to see the
449 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
450 this +codec ;) (JuanJo).
451 - Halfpel motion estimation after MB type selection (JuanJo)
452 - added pgm and .Y.U.V output format
453 - suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
454 output.
455 - added pgmpipe I/O format (original patch from Martin Aumueller
456 <lists at reserv.at>, but changed completely since we use a format
457 instead of a protocol)
458
459
460
461 version 0.4.2:
462
463 - added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
464 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
465 missing. MSMPEG4 support is complete.
466 - added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
467 can decode ffmpeg MPEGs :-)).
468 - added libavcodec API documentation (see apiexample.c).
469 - fixed image polyphase bug (the bottom of some images could be
470 greenish)
471 - added support for non clipped motion vectors (decoding only)
472 and image sizes non-multiple of 16
473 - added support for AC prediction (decoding only)
474 - added file overwrite confirmation (can be disabled with -y)
475 - added custom size picture to H.263 using H.263+ (Juanjo)
476
477
478 version 0.4.1:
479
480 - added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
481 of AVI and ASF to DIV3.
482 - added -me option to set motion estimation method
483 (default=log). suppressed redundant -hq option.
484 - added options -acodec and -vcodec to force a given codec (useful for
485 AVI for example)
486 - fixed -an option
487 - improved dct_quantize speed
488 - factorized some motion estimation code
489
490
491
492 version 0.4.0:
493
494 - removing grab code from ffserver and moved it to ffmpeg. Added
495 multistream support to ffmpeg.
496 - added timeshifting support for live feeds (option ?date=xxx in the
497 URL)
498 - added high quality image resize code with polyphase filter (need
499 mmx/see optimization). Enable multiple image size support in ffserver.
500 - added multi live feed support in ffserver
501 - suppressed master feature from ffserver (it should be done with an
502 external program which opens the .ffm url and writes it to another
503 ffserver)
504 - added preliminary support for video stream parsing (WAV and AVI half
505 done). Added proper support for audio/video file conversion in
506 ffmpeg.
507 - added preliminary support for video file sending from ffserver
508 - redesigning I/O subsystem: now using URL based input and output
509 (see avio.h)
510 - added WAV format support
511 - added "tty user interface" to ffmpeg to stop grabbing gracefully
512 - added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
513 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
514 - added MMX DCT from mpeg2_movie 1.5 (Juanjo)
515 - added new motion estimation algorithms, log and phods (Juanjo)
516 - changed directories: libav for format handling, libavcodec for
517 codecs
518
519
520
521 version 0.3.4:
522
523 - added stereo in MPEG audio encoder
524
525
526
527 version 0.3.3:
528
529 - added 'high quality' mode which use motion vectors. It can be used in
530 real time at low resolution.
531 - fixed rounding problems which caused quality problems at high
532 bitrates and large GOP size
533
534
535
536 version 0.3.2: small fixes
537
538 - ASF fixes
539 - put_seek bug fix
540
541
542
543 version 0.3.1: added avi/divx support
544
545 - added AVI support
546 - added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
547 - added sound for flash format (not tested)
548
549
550
551 version 0.3: initial public release