CQM: fix fallback to JVT scaling lists
[libav.git] / Changelog
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1version <next>
2- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 3- IBM Ultimotion (ULTI) video decoder
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4- Sierra Online audio file demuxer and decoder
5- Apple QuickDraw (qdrw) video decoder
b3bfb299 6- Creative ADPCM audio decoder
ad81a9fe 7- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 8- Miro VideoXL (VIXL) video decoder
b06b45c4 9- H.261 video encoder
acfd8f0f 10- QPEG video decoder
353147ed 11- Nullsoft Video (NSV) file demuxer
13dfd2b9 12- Shorten audio decoder
9c7fb608 13- LOCO video decoder
115329f1 14- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 15- Winnov WNV1 video decoder
589f8220 16- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 17- Indeo 2 video decoder
b81f8949 18- Fraps FPS1 video decoder
e0db8cfb 19- Snow video encoder/decoder
af4ca324 20- Sonic audio encoder/decoder
e0db8cfb 21- Vorbis audio decoder
af4ca324 22- Macromedia ADPCM decoder
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23- Duck TrueMotion 2 video decoder
24- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 25- H.264 custom quantization matrices support
a8289180 26- ffserver fixed, it should now be usable again
8d1018bf 27- QDM2 audio decoder
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28- cook audio decoder
29- wma2 audio decoder fixed, now all files should play correctly
e0db8cfb 30- JPEG-LS decoder (unfinished)
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31- build system improvements
32- tabs and trailing whitespace removed from the codebase
9d53d58e 33
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34version 0.4.9-pre1:
35
4fa1c4fa 36- DV encoder, DV muxer
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37- Microsoft RLE video decoder
38- Microsoft Video-1 decoder
070ed1bc 39- Apple Animation (RLE) decoder
42cad81a 40- Apple Graphics (SMC) decoder
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41- Apple Video (RPZA) decoder
42- Cinepak decoder
43- Sega FILM (CPK) file demuxer
42cad81a 44- Westwood multimedia support (VQA & AUD files)
4120a53a 45- Id Quake II CIN playback support
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46- 8BPS video decoder
47- FLIC playback support
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48- RealVideo 2.0 (RV20) decoder
49- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 50- Sierra VMD demuxer and video decoder
1defd2a8 51- MSZH and ZLIB decoder support
3b64893d 52- SVQ1 video encoder
1defd2a8 53- AMR-WB support
e0db8cfb 54- PPC optimizations
1defd2a8 55- rate distortion optimal cbp support
e0db8cfb 56- rate distorted optimal ac prediction for MPEG-4
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57- rate distorted optimal lambda->qp support
58- AAC encoding with libfaac
59- Sunplus JPEG codec (SP5X) support
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60- use Lagrange multipler instead of QP for ratecontrol
61- Theora/VP3 decoding support
1defd2a8 62- XA and ADX ADPCM codecs
e0db8cfb 63- export MPEG-2 active display area / pan scan
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64- Add support for configuring with IBM XLC
65- floating point AAN DCT
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66- initial support for zygo video (not complete)
67- RGB ffv1 support
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68- new audio/video parser API
69- av_log() system
70- av_read_frame() and av_seek_frame() support
71- missing last frame fixes
72- seek by mouse in ffplay
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73- noise reduction of DCT coefficients
74- H.263 OBMC & 4MV support
75- H.263 alternative inter vlc support
76- H.263 loop filter
77- H.263 slice structured mode
78- interlaced DCT support for MPEG-2 encoding
1defd2a8 79- stuffing to stay above min_bitrate
e0db8cfb 80- MB type & QP visualization
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81- frame stepping for ffplay
82- interlaced motion estimation
83- alternate scantable support
84- SVCD scan offset support
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85- closed GOP support
86- SSE2 FDCT
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87- quantizer noise shaping
88- G.726 ADPCM audio codec
89- MS ADPCM encoding
90- multithreaded/SMP motion estimation
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91- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
92- multithreaded/SMP decoding for MPEG-2
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93- FLAC decoder
94- Metrowerks CodeWarrior suppport
e0db8cfb 95- H.263+ custom pcf support
1defd2a8 96- nicer output for 'ffmpeg -formats'
e0db8cfb 97- Matroska demuxer
1defd2a8 98- SGI image format, encoding and decoding
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99- H.264 loop filter support
100- H.264 CABAC support
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101- nicer looking arrows for the motion vector vissualization
102- improved VCD support
103- audio timestamp drift compensation
e0db8cfb 104- MPEG-2 YUV 422/444 support
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105- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
106- better image scaling
e0db8cfb 107- H.261 support
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108- correctly interleave packets during encoding
109- VIS optimized motion compensation
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110- intra_dc_precision>0 encoding support
111- support reuse of motion vectors/MB types/field select values of the source video
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112- more accurate deblock filter
113- padding support
114- many optimizations and bugfixes
2fdf638b 115
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116version 0.4.8:
117
e0db8cfb 118- MPEG-2 video encoding (Michael)
d9d8910b 119- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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120- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
121 and Mario Brito)
122- Xan DPCM audio decoder (Mario Brito)
186447f8 123- Interplay MVE playback subsystem (Mike Melanson)
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124- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
125
126version 0.4.7:
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e0db8cfb 128- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 129 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 130- current version now also compiles with older GCC (Fabrice)
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131- 4X multimedia playback system including 4xm file demuxer (Mike
132 Melanson), and 4X video and audio codecs (Michael)
133- Creative YUV (CYUV) decoder (Mike Melanson)
134- FFV1 codec (our very simple lossless intra only codec, compresses much better
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135 than HuffYUV) (Michael)
136- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
137- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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138 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
139- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 140 for multiplatform support (Fabrice)
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141- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
142 by anonymous
143- AMR format has been added (Johannes Carlsson)
e0db8cfb 144- 3GP support has been added (Johannes Carlsson)
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145- VP3 codec has been added (Mike Melanson)
146- more MPEG-1/2 fixes
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147- better multiplatform support, MS Visual Studio fixes (various)
148- AltiVec optimizations (Magnus Damn and others)
e07702ba 149- SH4 processor support has been added (BERO)
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150- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
151- VOB streaming support (Brian Foley)
152- better MP3 autodetection (Andriy Rysin)
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153- qpel encoding (Michael)
154- 4mv+b frames encoding finally fixed (Michael)
155- chroma ME (Michael)
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156- 5 comparison functions for ME (Michael)
157- B-frame encoding speedup (Michael)
158- WMV2 codec (unfinished - Michael)
d3d10087 159- user specified diamond size for EPZS (Michael)
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160- Playstation STR playback subsystem, still experimental (Mike and Michael)
161- ASV2 codec (Michael)
162- CLJR decoder (Alex)
d3d10087 163
e0db8cfb 164.. And lots more new enhancements and fixes.
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d3d10087 166version 0.4.6:
739d6efa 167
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168- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
169 from scratch
170- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
171- fix quantization bug in AC3 encoder
172- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
173- added prototype ffplay program
174- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
175- bug fix on MCBPC tables of H.263 (Juanjo)
176- bug fix on DC coefficients of H.263 (Juanjo)
177- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
178- now we can decode H.263 streams found in QuickTime files (Juanjo)
179- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 180- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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181- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
182- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 183- added first regression tests
e0db8cfb 184- added MPEG-2 TS demuxer
a31e01c5 185- new demux API for libav
6d291820 186- more accurate and faster IDCT (Michael)
e0db8cfb 187- faster and entropy-controlled motion search (Michael)
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188- two pass video encoding (Michael)
189- new video rate control (Michael)
190- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
191- great performance improvement of video encoders and decoders (Michael)
192- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 193- high quality encoding mode: tries all macroblock/VLC types (Michael)
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194- added DV video decoder
195- preliminary RTP/RTSP support in ffserver and libavformat
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196- H.263+ AIC decoding/encoding support (Juanjo)
197- VCD MPEG-PS mode (Juanjo)
198- PSNR stuff (Juanjo)
199- simple stats output (Juanjo)
200- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 201
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202version 0.4.5:
203
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204- some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>)
205- many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>)
206- added configure system (actually a small shell script)
207- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 208 Michael Hipp (temporary solution - waiting for integer only
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209 decoder)
210- fixed VIDIOCSYNC interrupt
211- added Intel H.263 decoding support ('I263' AVI fourCC)
212- added Real Video 1.0 decoding (needs further testing)
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213- simplified image formats again. Added PGM format (=grey
214 pgm). Renamed old PGM to PGMYUV.
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215- fixed msmpeg4 slice issues (tell me if you still find problems)
216- fixed OpenDivX bugs with newer versions (added VOL header decoding)
217- added support for MPlayer interface
218- added macroblock skip optimization
219- added MJPEG decoder
220- added mmx/mmxext IDCT from libmpeg2
0c1e384c 221- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
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222 <celer@shell.scrypt.net>)
223- added pixel format conversion layer (e.g. for MJPEG or PPM)
224- added deinterlacing option
225- MPEG-1/2 fixes
226- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>)
227- ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
228- Windows porting of file converter
229- added MJPEG raw format (input/ouput)
230- added JPEG image format support (input/output)
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231
232version 0.4.4:
233
234- fixed some std header definitions (Bjorn Lindgren
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235 <bjorn.e.lindgren@telia.com>).
236- added MPEG demuxer (MPEG-1 and 2 compatible).
237- added ASF demuxer
238- added prototype RM demuxer
239- added AC3 decoding (done with libac3 by Aaron Holtzman)
240- added decoding codec parameter guessing (.e.g. for MPEG, because the
241 header does not include them)
242- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
243 play them (only tested video)
244- fixed H.263 white bug
245- fixed phase rounding in img resample filter
246- add MMX code for polyphase img resample filter
247- added CPU autodetection
248- added generic title/author/copyright/comment string handling (ASF and RM
249 use them)
de6d9b64 250- added SWF demux to extract MP3 track (not usable yet because no MP3
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251 decoder)
252- added fractional frame rate support
de6d9b64 253- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 254 segfault)
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255
256version 0.4.3:
257
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258- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>)
259- fixed raw yuv output
260- added motion rounding support in MPEG-4
261- fixed motion bug rounding in MSMPEG4
262- added B-frame handling in video core
263- added full MPEG-1 decoding support
264- added partial (frame only) MPEG-2 support
de6d9b64 265- changed the FOURCC code for H.263 to "U263" to be able to see the
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266 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
267 this +codec ;) (JuanJo).
268- Halfpel motion estimation after MB type selection (JuanJo)
269- added pgm and .Y.U.V output format
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270- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
271 output.
272- added pgmpipe I/O format (original patch from Martin Aumueller
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273 <lists@reserv.at>, but changed completely since we use a format
274 instead of a protocol)
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275
276version 0.4.2:
277
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278- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
279 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 280 missing. MSMPEG4 support is complete.
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281- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
282 can decode ffmpeg MPEGs :-)).
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283- added libavcodec API documentation (see apiexample.c).
284- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 285 greenish)
de6d9b64 286- added support for non clipped motion vectors (decoding only)
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287 and image sizes non-multiple of 16
288- added support for AC prediction (decoding only)
289- added file overwrite confirmation (can be disabled with -y)
290- added custom size picture to H.263 using H.263+ (Juanjo)
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291
292version 0.4.1:
293
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294- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
295 of AVI and ASF to DIV3.
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296- added -me option to set motion estimation method
297 (default=log). suppressed redundant -hq option.
298- added options -acodec and -vcodec to force a given codec (useful for
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299 AVI for example)
300- fixed -an option
301- improved dct_quantize speed
302- factorized some motion estimation code
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303
304version 0.4.0:
305
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306- removing grab code from ffserver and moved it to ffmpeg. Added
307 multistream support to ffmpeg.
de6d9b64 308- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 309 URL)
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310- added high quality image resize code with polyphase filter (need
311 mmx/see optimisation). Enable multiple image size support in ffserver.
e0db8cfb 312- added multi live feed support in ffserver
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313- suppressed master feature from ffserver (it should be done with an
314 external program which opens the .ffm url and writes it to another
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315 ffserver)
316- added preliminary support for video stream parsing (WAV and AVI half
317 done). Added proper support for audio/video file conversion in
de6d9b64 318 ffmpeg.
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319- added preliminary support for video file sending from ffserver
320- redesigning I/O subsystem: now using URL based input and output
321 (see avio.h)
322- added WAV format support
323- added "tty user interface" to ffmpeg to stop grabbing gracefully
324- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
325 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>)
326- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
327- added new motion estimation algorithms, log and phods (Juanjo)
328- changed directories: libav for format handling, libavcodec for
329 codecs
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330
331version 0.3.4:
332
e0db8cfb 333- added stereo in MPEG audio encoder
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334
335version 0.3.3:
336
337- added 'high quality' mode which use motion vectors. It can be used in
338 real time at low resolution.
339- fixed rounding problems which caused quality problems at high
e0db8cfb 340 bitrates and large GOP size
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341
342version 0.3.2: small fixes
343
e0db8cfb 344- ASF fixes
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345- put_seek bug fix
346
347version 0.3.1: added avi/divx support
348
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349- added AVI support
350- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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351- added sound for flash format (not tested)
352
353version 0.3: initial public release