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[libav.git] / Changelog
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9d53d58e 1version <next>
06ab9cff 2- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 3- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 4- IBM Ultimotion (ULTI) video decoder
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5- Sierra Online audio file demuxer and decoder
6- Apple QuickDraw (qdrw) video decoder
22052247 7- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 8- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 9- Miro VideoXL (VIXL) video decoder
b06b45c4 10- H.261 video encoder
acfd8f0f 11- QPEG video decoder
353147ed 12- Nullsoft Video (NSV) file demuxer
13dfd2b9 13- Shorten audio decoder
9c7fb608 14- LOCO video decoder
115329f1 15- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 16- Winnov WNV1 video decoder
589f8220 17- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 18- Indeo 2 video decoder
b81f8949 19- Fraps FPS1 video decoder
e0db8cfb 20- Snow video encoder/decoder
af4ca324 21- Sonic audio encoder/decoder
a3cad047 22- Vorbis audio encoder/decoder
af4ca324 23- Macromedia ADPCM decoder
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24- Duck TrueMotion 2 video decoder
25- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 26- H.264 custom quantization matrices support
a8289180 27- ffserver fixed, it should now be usable again
8d1018bf 28- QDM2 audio decoder
8a2d410e 29- Real Cooker audio decoder
bf3027c8 30- TrueSpeech audio decoder
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31- WMA2 audio decoder fixed, now all files should play correctly
32- RealAudio 14.4 and 28.8 decoders fixed
26d6d032 33- JPEG-LS encoder and decoder
45e63d13 34- CamStudio video decoder
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35- build system improvements
36- tabs and trailing whitespace removed from the codebase
f11288da 37- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 38- ADTS AAC file reading and writing
ea395e8c 39- Creative VOC file reading and writing
4e114829 40- American Laser Games multimedia (*.mm) playback system
f48d6e1b 41- Zip Blocks Motion Video decoder and encoder
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42- Improved Theora/VP3 decoder
43- True Audio (TTA) decoder
26376701 44- AVS demuxer and video decoder
348efc18 45- Smacker demuxer and decoder
dfca23e3 46- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 47- KMVC decoder
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48- MPEG-2 intra vlc support
49- MPEG-2 4:2:2 encoder
0919e788 50- Flash Screen Video decoder
cc0bc648 51- GXF demuxer
6a09487e 52- Chinese AVS decoder
43dcf590 53- GXF muxer
07bf2af8 54- MXF demuxer
b394e39a 55- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 56- MacIntel support
8ac17293 57- AVISynth support
eb57c889 58- VMware video decoder
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59- VP5 video decoder
60- VP6 video decoder
730581f3 61- WavPack lossless audio decoder
3689cf16 62- Targa (.TGA) picture decoder
dc56e0de 63- Delphine Software .cin demuxer/audio and video decoder
29f86228 64- Tiertex .seq demuxer/video decoder
f7bc5837 65- MTV demuxer
716222db 66- TIFF picture encoder and decoder
06d392a7 67- GIF picture decoder
84ed36da 68- Intel Music decoder
185c7b6b 69- Musepack decoder
8adc51f2 70- Flash Screen Video encoder
150d2772 71- Theora encoding via libtheora
52548eee 72- BMP encoder
039cd4a7 73- WMA encoder
346a655d 74- GSM-MS encoder and decoder
01ca9ac3 75- DCA decoder
33a0dd37 76- DXA demuxer and decoder
52b6bad2 77- DNxHD decoder
efb0c399 78- Gamecube movie (.THP) playback system
a5fbe001 79- Blackfin optimizations
9a0ddd09 80- Interplay C93 demuxer and video decoder
1e6c6759 81- Bethsoft VID demuxer and video decoder
9d53d58e 82
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83version 0.4.9-pre1:
84
4fa1c4fa 85- DV encoder, DV muxer
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86- Microsoft RLE video decoder
87- Microsoft Video-1 decoder
070ed1bc 88- Apple Animation (RLE) decoder
42cad81a 89- Apple Graphics (SMC) decoder
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90- Apple Video (RPZA) decoder
91- Cinepak decoder
92- Sega FILM (CPK) file demuxer
42cad81a 93- Westwood multimedia support (VQA & AUD files)
4120a53a 94- Id Quake II CIN playback support
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95- 8BPS video decoder
96- FLIC playback support
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97- RealVideo 2.0 (RV20) decoder
98- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 99- Sierra VMD demuxer and video decoder
1defd2a8 100- MSZH and ZLIB decoder support
3b64893d 101- SVQ1 video encoder
1defd2a8 102- AMR-WB support
e0db8cfb 103- PPC optimizations
1defd2a8 104- rate distortion optimal cbp support
e0db8cfb 105- rate distorted optimal ac prediction for MPEG-4
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106- rate distorted optimal lambda->qp support
107- AAC encoding with libfaac
108- Sunplus JPEG codec (SP5X) support
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109- use Lagrange multipler instead of QP for ratecontrol
110- Theora/VP3 decoding support
1defd2a8 111- XA and ADX ADPCM codecs
e0db8cfb 112- export MPEG-2 active display area / pan scan
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113- Add support for configuring with IBM XLC
114- floating point AAN DCT
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115- initial support for zygo video (not complete)
116- RGB ffv1 support
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117- new audio/video parser API
118- av_log() system
119- av_read_frame() and av_seek_frame() support
120- missing last frame fixes
121- seek by mouse in ffplay
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122- noise reduction of DCT coefficients
123- H.263 OBMC & 4MV support
124- H.263 alternative inter vlc support
125- H.263 loop filter
126- H.263 slice structured mode
127- interlaced DCT support for MPEG-2 encoding
1defd2a8 128- stuffing to stay above min_bitrate
e0db8cfb 129- MB type & QP visualization
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130- frame stepping for ffplay
131- interlaced motion estimation
132- alternate scantable support
133- SVCD scan offset support
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134- closed GOP support
135- SSE2 FDCT
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136- quantizer noise shaping
137- G.726 ADPCM audio codec
138- MS ADPCM encoding
139- multithreaded/SMP motion estimation
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140- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
141- multithreaded/SMP decoding for MPEG-2
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142- FLAC decoder
143- Metrowerks CodeWarrior suppport
e0db8cfb 144- H.263+ custom pcf support
1defd2a8 145- nicer output for 'ffmpeg -formats'
e0db8cfb 146- Matroska demuxer
1defd2a8 147- SGI image format, encoding and decoding
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148- H.264 loop filter support
149- H.264 CABAC support
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150- nicer looking arrows for the motion vector vissualization
151- improved VCD support
152- audio timestamp drift compensation
e0db8cfb 153- MPEG-2 YUV 422/444 support
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154- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
155- better image scaling
e0db8cfb 156- H.261 support
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157- correctly interleave packets during encoding
158- VIS optimized motion compensation
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159- intra_dc_precision>0 encoding support
160- support reuse of motion vectors/MB types/field select values of the source video
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161- more accurate deblock filter
162- padding support
163- many optimizations and bugfixes
2fdf638b 164
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165version 0.4.8:
166
e0db8cfb 167- MPEG-2 video encoding (Michael)
d9d8910b 168- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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169- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
170 and Mario Brito)
171- Xan DPCM audio decoder (Mario Brito)
186447f8 172- Interplay MVE playback subsystem (Mike Melanson)
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173- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
174
175version 0.4.7:
e07702ba 176
e0db8cfb 177- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 178 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 179- current version now also compiles with older GCC (Fabrice)
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180- 4X multimedia playback system including 4xm file demuxer (Mike
181 Melanson), and 4X video and audio codecs (Michael)
182- Creative YUV (CYUV) decoder (Mike Melanson)
183- FFV1 codec (our very simple lossless intra only codec, compresses much better
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184 than HuffYUV) (Michael)
185- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
186- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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187 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
188- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 189 for multiplatform support (Fabrice)
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190- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
191 by anonymous
192- AMR format has been added (Johannes Carlsson)
e0db8cfb 193- 3GP support has been added (Johannes Carlsson)
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194- VP3 codec has been added (Mike Melanson)
195- more MPEG-1/2 fixes
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196- better multiplatform support, MS Visual Studio fixes (various)
197- AltiVec optimizations (Magnus Damn and others)
e07702ba 198- SH4 processor support has been added (BERO)
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199- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
200- VOB streaming support (Brian Foley)
201- better MP3 autodetection (Andriy Rysin)
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202- qpel encoding (Michael)
203- 4mv+b frames encoding finally fixed (Michael)
204- chroma ME (Michael)
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205- 5 comparison functions for ME (Michael)
206- B-frame encoding speedup (Michael)
207- WMV2 codec (unfinished - Michael)
d3d10087 208- user specified diamond size for EPZS (Michael)
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209- Playstation STR playback subsystem, still experimental (Mike and Michael)
210- ASV2 codec (Michael)
211- CLJR decoder (Alex)
d3d10087 212
e0db8cfb 213.. And lots more new enhancements and fixes.
e07702ba 214
d3d10087 215version 0.4.6:
739d6efa 216
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217- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
218 from scratch
219- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
220- fix quantization bug in AC3 encoder
221- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
222- added prototype ffplay program
223- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
224- bug fix on MCBPC tables of H.263 (Juanjo)
225- bug fix on DC coefficients of H.263 (Juanjo)
226- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
227- now we can decode H.263 streams found in QuickTime files (Juanjo)
228- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 229- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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230- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
231- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 232- added first regression tests
e0db8cfb 233- added MPEG-2 TS demuxer
a31e01c5 234- new demux API for libav
6d291820 235- more accurate and faster IDCT (Michael)
e0db8cfb 236- faster and entropy-controlled motion search (Michael)
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237- two pass video encoding (Michael)
238- new video rate control (Michael)
239- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
240- great performance improvement of video encoders and decoders (Michael)
241- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 242- high quality encoding mode: tries all macroblock/VLC types (Michael)
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243- added DV video decoder
244- preliminary RTP/RTSP support in ffserver and libavformat
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245- H.263+ AIC decoding/encoding support (Juanjo)
246- VCD MPEG-PS mode (Juanjo)
247- PSNR stuff (Juanjo)
248- simple stats output (Juanjo)
249- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 250
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251version 0.4.5:
252
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253- some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>)
254- many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>)
255- added configure system (actually a small shell script)
256- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 257 Michael Hipp (temporary solution - waiting for integer only
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258 decoder)
259- fixed VIDIOCSYNC interrupt
260- added Intel H.263 decoding support ('I263' AVI fourCC)
261- added Real Video 1.0 decoding (needs further testing)
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262- simplified image formats again. Added PGM format (=grey
263 pgm). Renamed old PGM to PGMYUV.
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264- fixed msmpeg4 slice issues (tell me if you still find problems)
265- fixed OpenDivX bugs with newer versions (added VOL header decoding)
266- added support for MPlayer interface
267- added macroblock skip optimization
268- added MJPEG decoder
269- added mmx/mmxext IDCT from libmpeg2
0c1e384c 270- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
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271 <celer@shell.scrypt.net>)
272- added pixel format conversion layer (e.g. for MJPEG or PPM)
273- added deinterlacing option
274- MPEG-1/2 fixes
275- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>)
276- ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
277- Windows porting of file converter
278- added MJPEG raw format (input/ouput)
279- added JPEG image format support (input/output)
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280
281version 0.4.4:
282
283- fixed some std header definitions (Bjorn Lindgren
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284 <bjorn.e.lindgren@telia.com>).
285- added MPEG demuxer (MPEG-1 and 2 compatible).
286- added ASF demuxer
287- added prototype RM demuxer
288- added AC3 decoding (done with libac3 by Aaron Holtzman)
289- added decoding codec parameter guessing (.e.g. for MPEG, because the
290 header does not include them)
291- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
292 play them (only tested video)
293- fixed H.263 white bug
294- fixed phase rounding in img resample filter
295- add MMX code for polyphase img resample filter
296- added CPU autodetection
297- added generic title/author/copyright/comment string handling (ASF and RM
298 use them)
de6d9b64 299- added SWF demux to extract MP3 track (not usable yet because no MP3
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300 decoder)
301- added fractional frame rate support
de6d9b64 302- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 303 segfault)
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304
305version 0.4.3:
306
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307- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>)
308- fixed raw yuv output
309- added motion rounding support in MPEG-4
310- fixed motion bug rounding in MSMPEG4
311- added B-frame handling in video core
312- added full MPEG-1 decoding support
313- added partial (frame only) MPEG-2 support
de6d9b64 314- changed the FOURCC code for H.263 to "U263" to be able to see the
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315 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
316 this +codec ;) (JuanJo).
317- Halfpel motion estimation after MB type selection (JuanJo)
318- added pgm and .Y.U.V output format
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319- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
320 output.
321- added pgmpipe I/O format (original patch from Martin Aumueller
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322 <lists@reserv.at>, but changed completely since we use a format
323 instead of a protocol)
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324
325version 0.4.2:
326
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327- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
328 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 329 missing. MSMPEG4 support is complete.
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330- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
331 can decode ffmpeg MPEGs :-)).
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332- added libavcodec API documentation (see apiexample.c).
333- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 334 greenish)
de6d9b64 335- added support for non clipped motion vectors (decoding only)
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336 and image sizes non-multiple of 16
337- added support for AC prediction (decoding only)
338- added file overwrite confirmation (can be disabled with -y)
339- added custom size picture to H.263 using H.263+ (Juanjo)
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340
341version 0.4.1:
342
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343- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
344 of AVI and ASF to DIV3.
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345- added -me option to set motion estimation method
346 (default=log). suppressed redundant -hq option.
347- added options -acodec and -vcodec to force a given codec (useful for
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348 AVI for example)
349- fixed -an option
350- improved dct_quantize speed
351- factorized some motion estimation code
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352
353version 0.4.0:
354
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355- removing grab code from ffserver and moved it to ffmpeg. Added
356 multistream support to ffmpeg.
de6d9b64 357- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 358 URL)
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359- added high quality image resize code with polyphase filter (need
360 mmx/see optimisation). Enable multiple image size support in ffserver.
e0db8cfb 361- added multi live feed support in ffserver
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362- suppressed master feature from ffserver (it should be done with an
363 external program which opens the .ffm url and writes it to another
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364 ffserver)
365- added preliminary support for video stream parsing (WAV and AVI half
366 done). Added proper support for audio/video file conversion in
de6d9b64 367 ffmpeg.
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368- added preliminary support for video file sending from ffserver
369- redesigning I/O subsystem: now using URL based input and output
370 (see avio.h)
371- added WAV format support
372- added "tty user interface" to ffmpeg to stop grabbing gracefully
373- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
374 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>)
375- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
376- added new motion estimation algorithms, log and phods (Juanjo)
377- changed directories: libav for format handling, libavcodec for
378 codecs
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379
380version 0.3.4:
381
e0db8cfb 382- added stereo in MPEG audio encoder
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383
384version 0.3.3:
385
386- added 'high quality' mode which use motion vectors. It can be used in
387 real time at low resolution.
388- fixed rounding problems which caused quality problems at high
e0db8cfb 389 bitrates and large GOP size
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390
391version 0.3.2: small fixes
392
e0db8cfb 393- ASF fixes
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394- put_seek bug fix
395
396version 0.3.1: added avi/divx support
397
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398- added AVI support
399- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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400- added sound for flash format (not tested)
401
402version 0.3: initial public release