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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
e0db8cfb 22- Vorbis audio 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
9c8d8e84 41- Zip Blocks Motion Video decoder
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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
9d53d58e 51
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52version 0.4.9-pre1:
53
4fa1c4fa 54- DV encoder, DV muxer
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55- Microsoft RLE video decoder
56- Microsoft Video-1 decoder
070ed1bc 57- Apple Animation (RLE) decoder
42cad81a 58- Apple Graphics (SMC) decoder
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59- Apple Video (RPZA) decoder
60- Cinepak decoder
61- Sega FILM (CPK) file demuxer
42cad81a 62- Westwood multimedia support (VQA & AUD files)
4120a53a 63- Id Quake II CIN playback support
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64- 8BPS video decoder
65- FLIC playback support
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66- RealVideo 2.0 (RV20) decoder
67- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 68- Sierra VMD demuxer and video decoder
1defd2a8 69- MSZH and ZLIB decoder support
3b64893d 70- SVQ1 video encoder
1defd2a8 71- AMR-WB support
e0db8cfb 72- PPC optimizations
1defd2a8 73- rate distortion optimal cbp support
e0db8cfb 74- rate distorted optimal ac prediction for MPEG-4
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75- rate distorted optimal lambda->qp support
76- AAC encoding with libfaac
77- Sunplus JPEG codec (SP5X) support
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78- use Lagrange multipler instead of QP for ratecontrol
79- Theora/VP3 decoding support
1defd2a8 80- XA and ADX ADPCM codecs
e0db8cfb 81- export MPEG-2 active display area / pan scan
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82- Add support for configuring with IBM XLC
83- floating point AAN DCT
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84- initial support for zygo video (not complete)
85- RGB ffv1 support
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86- new audio/video parser API
87- av_log() system
88- av_read_frame() and av_seek_frame() support
89- missing last frame fixes
90- seek by mouse in ffplay
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91- noise reduction of DCT coefficients
92- H.263 OBMC & 4MV support
93- H.263 alternative inter vlc support
94- H.263 loop filter
95- H.263 slice structured mode
96- interlaced DCT support for MPEG-2 encoding
1defd2a8 97- stuffing to stay above min_bitrate
e0db8cfb 98- MB type & QP visualization
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99- frame stepping for ffplay
100- interlaced motion estimation
101- alternate scantable support
102- SVCD scan offset support
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103- closed GOP support
104- SSE2 FDCT
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105- quantizer noise shaping
106- G.726 ADPCM audio codec
107- MS ADPCM encoding
108- multithreaded/SMP motion estimation
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109- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
110- multithreaded/SMP decoding for MPEG-2
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111- FLAC decoder
112- Metrowerks CodeWarrior suppport
e0db8cfb 113- H.263+ custom pcf support
1defd2a8 114- nicer output for 'ffmpeg -formats'
e0db8cfb 115- Matroska demuxer
1defd2a8 116- SGI image format, encoding and decoding
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117- H.264 loop filter support
118- H.264 CABAC support
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119- nicer looking arrows for the motion vector vissualization
120- improved VCD support
121- audio timestamp drift compensation
e0db8cfb 122- MPEG-2 YUV 422/444 support
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123- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
124- better image scaling
e0db8cfb 125- H.261 support
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126- correctly interleave packets during encoding
127- VIS optimized motion compensation
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128- intra_dc_precision>0 encoding support
129- support reuse of motion vectors/MB types/field select values of the source video
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130- more accurate deblock filter
131- padding support
132- many optimizations and bugfixes
2fdf638b 133
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134version 0.4.8:
135
e0db8cfb 136- MPEG-2 video encoding (Michael)
d9d8910b 137- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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138- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
139 and Mario Brito)
140- Xan DPCM audio decoder (Mario Brito)
186447f8 141- Interplay MVE playback subsystem (Mike Melanson)
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142- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
143
144version 0.4.7:
e07702ba 145
e0db8cfb 146- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 147 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 148- current version now also compiles with older GCC (Fabrice)
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149- 4X multimedia playback system including 4xm file demuxer (Mike
150 Melanson), and 4X video and audio codecs (Michael)
151- Creative YUV (CYUV) decoder (Mike Melanson)
152- FFV1 codec (our very simple lossless intra only codec, compresses much better
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153 than HuffYUV) (Michael)
154- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
155- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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156 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
157- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 158 for multiplatform support (Fabrice)
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159- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
160 by anonymous
161- AMR format has been added (Johannes Carlsson)
e0db8cfb 162- 3GP support has been added (Johannes Carlsson)
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163- VP3 codec has been added (Mike Melanson)
164- more MPEG-1/2 fixes
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165- better multiplatform support, MS Visual Studio fixes (various)
166- AltiVec optimizations (Magnus Damn and others)
e07702ba 167- SH4 processor support has been added (BERO)
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168- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
169- VOB streaming support (Brian Foley)
170- better MP3 autodetection (Andriy Rysin)
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171- qpel encoding (Michael)
172- 4mv+b frames encoding finally fixed (Michael)
173- chroma ME (Michael)
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174- 5 comparison functions for ME (Michael)
175- B-frame encoding speedup (Michael)
176- WMV2 codec (unfinished - Michael)
d3d10087 177- user specified diamond size for EPZS (Michael)
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178- Playstation STR playback subsystem, still experimental (Mike and Michael)
179- ASV2 codec (Michael)
180- CLJR decoder (Alex)
d3d10087 181
e0db8cfb 182.. And lots more new enhancements and fixes.
e07702ba 183
d3d10087 184version 0.4.6:
739d6efa 185
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186- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
187 from scratch
188- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
189- fix quantization bug in AC3 encoder
190- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
191- added prototype ffplay program
192- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
193- bug fix on MCBPC tables of H.263 (Juanjo)
194- bug fix on DC coefficients of H.263 (Juanjo)
195- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
196- now we can decode H.263 streams found in QuickTime files (Juanjo)
197- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 198- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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199- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
200- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 201- added first regression tests
e0db8cfb 202- added MPEG-2 TS demuxer
a31e01c5 203- new demux API for libav
6d291820 204- more accurate and faster IDCT (Michael)
e0db8cfb 205- faster and entropy-controlled motion search (Michael)
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206- two pass video encoding (Michael)
207- new video rate control (Michael)
208- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
209- great performance improvement of video encoders and decoders (Michael)
210- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 211- high quality encoding mode: tries all macroblock/VLC types (Michael)
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212- added DV video decoder
213- preliminary RTP/RTSP support in ffserver and libavformat
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214- H.263+ AIC decoding/encoding support (Juanjo)
215- VCD MPEG-PS mode (Juanjo)
216- PSNR stuff (Juanjo)
217- simple stats output (Juanjo)
218- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 219
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220version 0.4.5:
221
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222- some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>)
223- many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>)
224- added configure system (actually a small shell script)
225- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 226 Michael Hipp (temporary solution - waiting for integer only
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227 decoder)
228- fixed VIDIOCSYNC interrupt
229- added Intel H.263 decoding support ('I263' AVI fourCC)
230- added Real Video 1.0 decoding (needs further testing)
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231- simplified image formats again. Added PGM format (=grey
232 pgm). Renamed old PGM to PGMYUV.
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233- fixed msmpeg4 slice issues (tell me if you still find problems)
234- fixed OpenDivX bugs with newer versions (added VOL header decoding)
235- added support for MPlayer interface
236- added macroblock skip optimization
237- added MJPEG decoder
238- added mmx/mmxext IDCT from libmpeg2
0c1e384c 239- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
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240 <celer@shell.scrypt.net>)
241- added pixel format conversion layer (e.g. for MJPEG or PPM)
242- added deinterlacing option
243- MPEG-1/2 fixes
244- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>)
245- ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
246- Windows porting of file converter
247- added MJPEG raw format (input/ouput)
248- added JPEG image format support (input/output)
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249
250version 0.4.4:
251
252- fixed some std header definitions (Bjorn Lindgren
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253 <bjorn.e.lindgren@telia.com>).
254- added MPEG demuxer (MPEG-1 and 2 compatible).
255- added ASF demuxer
256- added prototype RM demuxer
257- added AC3 decoding (done with libac3 by Aaron Holtzman)
258- added decoding codec parameter guessing (.e.g. for MPEG, because the
259 header does not include them)
260- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
261 play them (only tested video)
262- fixed H.263 white bug
263- fixed phase rounding in img resample filter
264- add MMX code for polyphase img resample filter
265- added CPU autodetection
266- added generic title/author/copyright/comment string handling (ASF and RM
267 use them)
de6d9b64 268- added SWF demux to extract MP3 track (not usable yet because no MP3
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269 decoder)
270- added fractional frame rate support
de6d9b64 271- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 272 segfault)
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273
274version 0.4.3:
275
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276- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>)
277- fixed raw yuv output
278- added motion rounding support in MPEG-4
279- fixed motion bug rounding in MSMPEG4
280- added B-frame handling in video core
281- added full MPEG-1 decoding support
282- added partial (frame only) MPEG-2 support
de6d9b64 283- changed the FOURCC code for H.263 to "U263" to be able to see the
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284 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
285 this +codec ;) (JuanJo).
286- Halfpel motion estimation after MB type selection (JuanJo)
287- added pgm and .Y.U.V output format
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288- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
289 output.
290- added pgmpipe I/O format (original patch from Martin Aumueller
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291 <lists@reserv.at>, but changed completely since we use a format
292 instead of a protocol)
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293
294version 0.4.2:
295
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296- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
297 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 298 missing. MSMPEG4 support is complete.
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299- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
300 can decode ffmpeg MPEGs :-)).
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301- added libavcodec API documentation (see apiexample.c).
302- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 303 greenish)
de6d9b64 304- added support for non clipped motion vectors (decoding only)
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305 and image sizes non-multiple of 16
306- added support for AC prediction (decoding only)
307- added file overwrite confirmation (can be disabled with -y)
308- added custom size picture to H.263 using H.263+ (Juanjo)
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309
310version 0.4.1:
311
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312- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
313 of AVI and ASF to DIV3.
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314- added -me option to set motion estimation method
315 (default=log). suppressed redundant -hq option.
316- added options -acodec and -vcodec to force a given codec (useful for
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317 AVI for example)
318- fixed -an option
319- improved dct_quantize speed
320- factorized some motion estimation code
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321
322version 0.4.0:
323
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324- removing grab code from ffserver and moved it to ffmpeg. Added
325 multistream support to ffmpeg.
de6d9b64 326- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 327 URL)
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328- added high quality image resize code with polyphase filter (need
329 mmx/see optimisation). Enable multiple image size support in ffserver.
e0db8cfb 330- added multi live feed support in ffserver
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331- suppressed master feature from ffserver (it should be done with an
332 external program which opens the .ffm url and writes it to another
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333 ffserver)
334- added preliminary support for video stream parsing (WAV and AVI half
335 done). Added proper support for audio/video file conversion in
de6d9b64 336 ffmpeg.
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337- added preliminary support for video file sending from ffserver
338- redesigning I/O subsystem: now using URL based input and output
339 (see avio.h)
340- added WAV format support
341- added "tty user interface" to ffmpeg to stop grabbing gracefully
342- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
343 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>)
344- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
345- added new motion estimation algorithms, log and phods (Juanjo)
346- changed directories: libav for format handling, libavcodec for
347 codecs
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348
349version 0.3.4:
350
e0db8cfb 351- added stereo in MPEG audio encoder
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352
353version 0.3.3:
354
355- added 'high quality' mode which use motion vectors. It can be used in
356 real time at low resolution.
357- fixed rounding problems which caused quality problems at high
e0db8cfb 358 bitrates and large GOP size
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359
360version 0.3.2: small fixes
361
e0db8cfb 362- ASF fixes
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363- put_seek bug fix
364
365version 0.3.1: added avi/divx support
366
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367- added AVI support
368- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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369- added sound for flash format (not tested)
370
371version 0.3: initial public release