Patch by Stefan Huehner / stefan % huehner ! org \
[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
3f45598a 28- cook audio decoder
bf3027c8 29- TrueSpeech audio decoder
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30- WMA2 audio decoder fixed, now all files should play correctly
31- RealAudio 14.4 and 28.8 decoders fixed
89e3a1b4 32- JPEG-LS decoder
45e63d13 33- CamStudio video decoder
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34- build system improvements
35- tabs and trailing whitespace removed from the codebase
f11288da 36- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 37- ADTS AAC file reading and writing
9d53d58e 38
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39version 0.4.9-pre1:
40
4fa1c4fa 41- DV encoder, DV muxer
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42- Microsoft RLE video decoder
43- Microsoft Video-1 decoder
070ed1bc 44- Apple Animation (RLE) decoder
42cad81a 45- Apple Graphics (SMC) decoder
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46- Apple Video (RPZA) decoder
47- Cinepak decoder
48- Sega FILM (CPK) file demuxer
42cad81a 49- Westwood multimedia support (VQA & AUD files)
4120a53a 50- Id Quake II CIN playback support
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51- 8BPS video decoder
52- FLIC playback support
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53- RealVideo 2.0 (RV20) decoder
54- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 55- Sierra VMD demuxer and video decoder
1defd2a8 56- MSZH and ZLIB decoder support
3b64893d 57- SVQ1 video encoder
1defd2a8 58- AMR-WB support
e0db8cfb 59- PPC optimizations
1defd2a8 60- rate distortion optimal cbp support
e0db8cfb 61- rate distorted optimal ac prediction for MPEG-4
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62- rate distorted optimal lambda->qp support
63- AAC encoding with libfaac
64- Sunplus JPEG codec (SP5X) support
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65- use Lagrange multipler instead of QP for ratecontrol
66- Theora/VP3 decoding support
1defd2a8 67- XA and ADX ADPCM codecs
e0db8cfb 68- export MPEG-2 active display area / pan scan
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69- Add support for configuring with IBM XLC
70- floating point AAN DCT
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71- initial support for zygo video (not complete)
72- RGB ffv1 support
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73- new audio/video parser API
74- av_log() system
75- av_read_frame() and av_seek_frame() support
76- missing last frame fixes
77- seek by mouse in ffplay
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78- noise reduction of DCT coefficients
79- H.263 OBMC & 4MV support
80- H.263 alternative inter vlc support
81- H.263 loop filter
82- H.263 slice structured mode
83- interlaced DCT support for MPEG-2 encoding
1defd2a8 84- stuffing to stay above min_bitrate
e0db8cfb 85- MB type & QP visualization
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86- frame stepping for ffplay
87- interlaced motion estimation
88- alternate scantable support
89- SVCD scan offset support
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90- closed GOP support
91- SSE2 FDCT
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92- quantizer noise shaping
93- G.726 ADPCM audio codec
94- MS ADPCM encoding
95- multithreaded/SMP motion estimation
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96- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
97- multithreaded/SMP decoding for MPEG-2
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98- FLAC decoder
99- Metrowerks CodeWarrior suppport
e0db8cfb 100- H.263+ custom pcf support
1defd2a8 101- nicer output for 'ffmpeg -formats'
e0db8cfb 102- Matroska demuxer
1defd2a8 103- SGI image format, encoding and decoding
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104- H.264 loop filter support
105- H.264 CABAC support
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106- nicer looking arrows for the motion vector vissualization
107- improved VCD support
108- audio timestamp drift compensation
e0db8cfb 109- MPEG-2 YUV 422/444 support
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110- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
111- better image scaling
e0db8cfb 112- H.261 support
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113- correctly interleave packets during encoding
114- VIS optimized motion compensation
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115- intra_dc_precision>0 encoding support
116- support reuse of motion vectors/MB types/field select values of the source video
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117- more accurate deblock filter
118- padding support
119- many optimizations and bugfixes
2fdf638b 120
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121version 0.4.8:
122
e0db8cfb 123- MPEG-2 video encoding (Michael)
d9d8910b 124- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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125- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
126 and Mario Brito)
127- Xan DPCM audio decoder (Mario Brito)
186447f8 128- Interplay MVE playback subsystem (Mike Melanson)
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129- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
130
131version 0.4.7:
e07702ba 132
e0db8cfb 133- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 134 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 135- current version now also compiles with older GCC (Fabrice)
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136- 4X multimedia playback system including 4xm file demuxer (Mike
137 Melanson), and 4X video and audio codecs (Michael)
138- Creative YUV (CYUV) decoder (Mike Melanson)
139- FFV1 codec (our very simple lossless intra only codec, compresses much better
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140 than HuffYUV) (Michael)
141- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
142- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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143 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
144- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 145 for multiplatform support (Fabrice)
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146- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
147 by anonymous
148- AMR format has been added (Johannes Carlsson)
e0db8cfb 149- 3GP support has been added (Johannes Carlsson)
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150- VP3 codec has been added (Mike Melanson)
151- more MPEG-1/2 fixes
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152- better multiplatform support, MS Visual Studio fixes (various)
153- AltiVec optimizations (Magnus Damn and others)
e07702ba 154- SH4 processor support has been added (BERO)
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155- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
156- VOB streaming support (Brian Foley)
157- better MP3 autodetection (Andriy Rysin)
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158- qpel encoding (Michael)
159- 4mv+b frames encoding finally fixed (Michael)
160- chroma ME (Michael)
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161- 5 comparison functions for ME (Michael)
162- B-frame encoding speedup (Michael)
163- WMV2 codec (unfinished - Michael)
d3d10087 164- user specified diamond size for EPZS (Michael)
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165- Playstation STR playback subsystem, still experimental (Mike and Michael)
166- ASV2 codec (Michael)
167- CLJR decoder (Alex)
d3d10087 168
e0db8cfb 169.. And lots more new enhancements and fixes.
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d3d10087 171version 0.4.6:
739d6efa 172
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173- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
174 from scratch
175- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
176- fix quantization bug in AC3 encoder
177- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
178- added prototype ffplay program
179- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
180- bug fix on MCBPC tables of H.263 (Juanjo)
181- bug fix on DC coefficients of H.263 (Juanjo)
182- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
183- now we can decode H.263 streams found in QuickTime files (Juanjo)
184- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 185- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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186- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
187- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 188- added first regression tests
e0db8cfb 189- added MPEG-2 TS demuxer
a31e01c5 190- new demux API for libav
6d291820 191- more accurate and faster IDCT (Michael)
e0db8cfb 192- faster and entropy-controlled motion search (Michael)
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193- two pass video encoding (Michael)
194- new video rate control (Michael)
195- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
196- great performance improvement of video encoders and decoders (Michael)
197- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 198- high quality encoding mode: tries all macroblock/VLC types (Michael)
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199- added DV video decoder
200- preliminary RTP/RTSP support in ffserver and libavformat
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201- H.263+ AIC decoding/encoding support (Juanjo)
202- VCD MPEG-PS mode (Juanjo)
203- PSNR stuff (Juanjo)
204- simple stats output (Juanjo)
205- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 206
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207version 0.4.5:
208
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209- some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>)
210- many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>)
211- added configure system (actually a small shell script)
212- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 213 Michael Hipp (temporary solution - waiting for integer only
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214 decoder)
215- fixed VIDIOCSYNC interrupt
216- added Intel H.263 decoding support ('I263' AVI fourCC)
217- added Real Video 1.0 decoding (needs further testing)
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218- simplified image formats again. Added PGM format (=grey
219 pgm). Renamed old PGM to PGMYUV.
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220- fixed msmpeg4 slice issues (tell me if you still find problems)
221- fixed OpenDivX bugs with newer versions (added VOL header decoding)
222- added support for MPlayer interface
223- added macroblock skip optimization
224- added MJPEG decoder
225- added mmx/mmxext IDCT from libmpeg2
0c1e384c 226- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
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227 <celer@shell.scrypt.net>)
228- added pixel format conversion layer (e.g. for MJPEG or PPM)
229- added deinterlacing option
230- MPEG-1/2 fixes
231- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>)
232- ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
233- Windows porting of file converter
234- added MJPEG raw format (input/ouput)
235- added JPEG image format support (input/output)
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236
237version 0.4.4:
238
239- fixed some std header definitions (Bjorn Lindgren
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240 <bjorn.e.lindgren@telia.com>).
241- added MPEG demuxer (MPEG-1 and 2 compatible).
242- added ASF demuxer
243- added prototype RM demuxer
244- added AC3 decoding (done with libac3 by Aaron Holtzman)
245- added decoding codec parameter guessing (.e.g. for MPEG, because the
246 header does not include them)
247- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
248 play them (only tested video)
249- fixed H.263 white bug
250- fixed phase rounding in img resample filter
251- add MMX code for polyphase img resample filter
252- added CPU autodetection
253- added generic title/author/copyright/comment string handling (ASF and RM
254 use them)
de6d9b64 255- added SWF demux to extract MP3 track (not usable yet because no MP3
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256 decoder)
257- added fractional frame rate support
de6d9b64 258- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 259 segfault)
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260
261version 0.4.3:
262
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263- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>)
264- fixed raw yuv output
265- added motion rounding support in MPEG-4
266- fixed motion bug rounding in MSMPEG4
267- added B-frame handling in video core
268- added full MPEG-1 decoding support
269- added partial (frame only) MPEG-2 support
de6d9b64 270- changed the FOURCC code for H.263 to "U263" to be able to see the
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271 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
272 this +codec ;) (JuanJo).
273- Halfpel motion estimation after MB type selection (JuanJo)
274- added pgm and .Y.U.V output format
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275- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
276 output.
277- added pgmpipe I/O format (original patch from Martin Aumueller
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278 <lists@reserv.at>, but changed completely since we use a format
279 instead of a protocol)
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280
281version 0.4.2:
282
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283- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
284 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 285 missing. MSMPEG4 support is complete.
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286- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
287 can decode ffmpeg MPEGs :-)).
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288- added libavcodec API documentation (see apiexample.c).
289- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 290 greenish)
de6d9b64 291- added support for non clipped motion vectors (decoding only)
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292 and image sizes non-multiple of 16
293- added support for AC prediction (decoding only)
294- added file overwrite confirmation (can be disabled with -y)
295- added custom size picture to H.263 using H.263+ (Juanjo)
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296
297version 0.4.1:
298
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299- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
300 of AVI and ASF to DIV3.
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301- added -me option to set motion estimation method
302 (default=log). suppressed redundant -hq option.
303- added options -acodec and -vcodec to force a given codec (useful for
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304 AVI for example)
305- fixed -an option
306- improved dct_quantize speed
307- factorized some motion estimation code
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308
309version 0.4.0:
310
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311- removing grab code from ffserver and moved it to ffmpeg. Added
312 multistream support to ffmpeg.
de6d9b64 313- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 314 URL)
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315- added high quality image resize code with polyphase filter (need
316 mmx/see optimisation). Enable multiple image size support in ffserver.
e0db8cfb 317- added multi live feed support in ffserver
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318- suppressed master feature from ffserver (it should be done with an
319 external program which opens the .ffm url and writes it to another
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320 ffserver)
321- added preliminary support for video stream parsing (WAV and AVI half
322 done). Added proper support for audio/video file conversion in
de6d9b64 323 ffmpeg.
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324- added preliminary support for video file sending from ffserver
325- redesigning I/O subsystem: now using URL based input and output
326 (see avio.h)
327- added WAV format support
328- added "tty user interface" to ffmpeg to stop grabbing gracefully
329- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
330 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>)
331- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
332- added new motion estimation algorithms, log and phods (Juanjo)
333- changed directories: libav for format handling, libavcodec for
334 codecs
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335
336version 0.3.4:
337
e0db8cfb 338- added stereo in MPEG audio encoder
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339
340version 0.3.3:
341
342- added 'high quality' mode which use motion vectors. It can be used in
343 real time at low resolution.
344- fixed rounding problems which caused quality problems at high
e0db8cfb 345 bitrates and large GOP size
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346
347version 0.3.2: small fixes
348
e0db8cfb 349- ASF fixes
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350- put_seek bug fix
351
352version 0.3.1: added avi/divx support
353
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354- added AVI support
355- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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356- added sound for flash format (not tested)
357
358version 0.3: initial public release