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[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
3f45598a 30- wma2 audio decoder fixed, now all files should play correctly
e0db8cfb 31- JPEG-LS decoder (unfinished)
45e63d13 32- CamStudio video decoder
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33- build system improvements
34- tabs and trailing whitespace removed from the codebase
9d53d58e 35
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36version 0.4.9-pre1:
37
4fa1c4fa 38- DV encoder, DV muxer
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39- Microsoft RLE video decoder
40- Microsoft Video-1 decoder
070ed1bc 41- Apple Animation (RLE) decoder
42cad81a 42- Apple Graphics (SMC) decoder
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43- Apple Video (RPZA) decoder
44- Cinepak decoder
45- Sega FILM (CPK) file demuxer
42cad81a 46- Westwood multimedia support (VQA & AUD files)
4120a53a 47- Id Quake II CIN playback support
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48- 8BPS video decoder
49- FLIC playback support
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50- RealVideo 2.0 (RV20) decoder
51- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 52- Sierra VMD demuxer and video decoder
1defd2a8 53- MSZH and ZLIB decoder support
3b64893d 54- SVQ1 video encoder
1defd2a8 55- AMR-WB support
e0db8cfb 56- PPC optimizations
1defd2a8 57- rate distortion optimal cbp support
e0db8cfb 58- rate distorted optimal ac prediction for MPEG-4
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59- rate distorted optimal lambda->qp support
60- AAC encoding with libfaac
61- Sunplus JPEG codec (SP5X) support
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62- use Lagrange multipler instead of QP for ratecontrol
63- Theora/VP3 decoding support
1defd2a8 64- XA and ADX ADPCM codecs
e0db8cfb 65- export MPEG-2 active display area / pan scan
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66- Add support for configuring with IBM XLC
67- floating point AAN DCT
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68- initial support for zygo video (not complete)
69- RGB ffv1 support
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70- new audio/video parser API
71- av_log() system
72- av_read_frame() and av_seek_frame() support
73- missing last frame fixes
74- seek by mouse in ffplay
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75- noise reduction of DCT coefficients
76- H.263 OBMC & 4MV support
77- H.263 alternative inter vlc support
78- H.263 loop filter
79- H.263 slice structured mode
80- interlaced DCT support for MPEG-2 encoding
1defd2a8 81- stuffing to stay above min_bitrate
e0db8cfb 82- MB type & QP visualization
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83- frame stepping for ffplay
84- interlaced motion estimation
85- alternate scantable support
86- SVCD scan offset support
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87- closed GOP support
88- SSE2 FDCT
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89- quantizer noise shaping
90- G.726 ADPCM audio codec
91- MS ADPCM encoding
92- multithreaded/SMP motion estimation
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93- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
94- multithreaded/SMP decoding for MPEG-2
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95- FLAC decoder
96- Metrowerks CodeWarrior suppport
e0db8cfb 97- H.263+ custom pcf support
1defd2a8 98- nicer output for 'ffmpeg -formats'
e0db8cfb 99- Matroska demuxer
1defd2a8 100- SGI image format, encoding and decoding
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101- H.264 loop filter support
102- H.264 CABAC support
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103- nicer looking arrows for the motion vector vissualization
104- improved VCD support
105- audio timestamp drift compensation
e0db8cfb 106- MPEG-2 YUV 422/444 support
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107- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
108- better image scaling
e0db8cfb 109- H.261 support
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110- correctly interleave packets during encoding
111- VIS optimized motion compensation
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112- intra_dc_precision>0 encoding support
113- support reuse of motion vectors/MB types/field select values of the source video
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114- more accurate deblock filter
115- padding support
116- many optimizations and bugfixes
2fdf638b 117
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118version 0.4.8:
119
e0db8cfb 120- MPEG-2 video encoding (Michael)
d9d8910b 121- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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122- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
123 and Mario Brito)
124- Xan DPCM audio decoder (Mario Brito)
186447f8 125- Interplay MVE playback subsystem (Mike Melanson)
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126- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
127
128version 0.4.7:
e07702ba 129
e0db8cfb 130- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 131 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 132- current version now also compiles with older GCC (Fabrice)
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133- 4X multimedia playback system including 4xm file demuxer (Mike
134 Melanson), and 4X video and audio codecs (Michael)
135- Creative YUV (CYUV) decoder (Mike Melanson)
136- FFV1 codec (our very simple lossless intra only codec, compresses much better
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137 than HuffYUV) (Michael)
138- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
139- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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140 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
141- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 142 for multiplatform support (Fabrice)
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143- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
144 by anonymous
145- AMR format has been added (Johannes Carlsson)
e0db8cfb 146- 3GP support has been added (Johannes Carlsson)
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147- VP3 codec has been added (Mike Melanson)
148- more MPEG-1/2 fixes
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149- better multiplatform support, MS Visual Studio fixes (various)
150- AltiVec optimizations (Magnus Damn and others)
e07702ba 151- SH4 processor support has been added (BERO)
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152- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
153- VOB streaming support (Brian Foley)
154- better MP3 autodetection (Andriy Rysin)
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155- qpel encoding (Michael)
156- 4mv+b frames encoding finally fixed (Michael)
157- chroma ME (Michael)
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158- 5 comparison functions for ME (Michael)
159- B-frame encoding speedup (Michael)
160- WMV2 codec (unfinished - Michael)
d3d10087 161- user specified diamond size for EPZS (Michael)
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162- Playstation STR playback subsystem, still experimental (Mike and Michael)
163- ASV2 codec (Michael)
164- CLJR decoder (Alex)
d3d10087 165
e0db8cfb 166.. And lots more new enhancements and fixes.
e07702ba 167
d3d10087 168version 0.4.6:
739d6efa 169
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170- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
171 from scratch
172- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
173- fix quantization bug in AC3 encoder
174- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
175- added prototype ffplay program
176- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
177- bug fix on MCBPC tables of H.263 (Juanjo)
178- bug fix on DC coefficients of H.263 (Juanjo)
179- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
180- now we can decode H.263 streams found in QuickTime files (Juanjo)
181- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 182- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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183- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
184- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 185- added first regression tests
e0db8cfb 186- added MPEG-2 TS demuxer
a31e01c5 187- new demux API for libav
6d291820 188- more accurate and faster IDCT (Michael)
e0db8cfb 189- faster and entropy-controlled motion search (Michael)
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190- two pass video encoding (Michael)
191- new video rate control (Michael)
192- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
193- great performance improvement of video encoders and decoders (Michael)
194- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 195- high quality encoding mode: tries all macroblock/VLC types (Michael)
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196- added DV video decoder
197- preliminary RTP/RTSP support in ffserver and libavformat
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198- H.263+ AIC decoding/encoding support (Juanjo)
199- VCD MPEG-PS mode (Juanjo)
200- PSNR stuff (Juanjo)
201- simple stats output (Juanjo)
202- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 203
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204version 0.4.5:
205
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206- some header fixes (Zdenek Kabelac <kabi@informatics.muni.cz>)
207- many MMX optimizations (Nick Kurshev <nickols_k@mail.ru>)
208- added configure system (actually a small shell script)
209- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 210 Michael Hipp (temporary solution - waiting for integer only
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211 decoder)
212- fixed VIDIOCSYNC interrupt
213- added Intel H.263 decoding support ('I263' AVI fourCC)
214- added Real Video 1.0 decoding (needs further testing)
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215- simplified image formats again. Added PGM format (=grey
216 pgm). Renamed old PGM to PGMYUV.
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217- fixed msmpeg4 slice issues (tell me if you still find problems)
218- fixed OpenDivX bugs with newer versions (added VOL header decoding)
219- added support for MPlayer interface
220- added macroblock skip optimization
221- added MJPEG decoder
222- added mmx/mmxext IDCT from libmpeg2
0c1e384c 223- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
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224 <celer@shell.scrypt.net>)
225- added pixel format conversion layer (e.g. for MJPEG or PPM)
226- added deinterlacing option
227- MPEG-1/2 fixes
228- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm@pacbell.net>)
229- ARM optimizations (Lionel Ulmer <lionel.ulmer@free.fr>).
230- Windows porting of file converter
231- added MJPEG raw format (input/ouput)
232- added JPEG image format support (input/output)
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233
234version 0.4.4:
235
236- fixed some std header definitions (Bjorn Lindgren
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237 <bjorn.e.lindgren@telia.com>).
238- added MPEG demuxer (MPEG-1 and 2 compatible).
239- added ASF demuxer
240- added prototype RM demuxer
241- added AC3 decoding (done with libac3 by Aaron Holtzman)
242- added decoding codec parameter guessing (.e.g. for MPEG, because the
243 header does not include them)
244- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
245 play them (only tested video)
246- fixed H.263 white bug
247- fixed phase rounding in img resample filter
248- add MMX code for polyphase img resample filter
249- added CPU autodetection
250- added generic title/author/copyright/comment string handling (ASF and RM
251 use them)
de6d9b64 252- added SWF demux to extract MP3 track (not usable yet because no MP3
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253 decoder)
254- added fractional frame rate support
de6d9b64 255- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 256 segfault)
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257
258version 0.4.3:
259
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260- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq@amsat.org>)
261- fixed raw yuv output
262- added motion rounding support in MPEG-4
263- fixed motion bug rounding in MSMPEG4
264- added B-frame handling in video core
265- added full MPEG-1 decoding support
266- added partial (frame only) MPEG-2 support
de6d9b64 267- changed the FOURCC code for H.263 to "U263" to be able to see the
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268 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
269 this +codec ;) (JuanJo).
270- Halfpel motion estimation after MB type selection (JuanJo)
271- added pgm and .Y.U.V output format
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272- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
273 output.
274- added pgmpipe I/O format (original patch from Martin Aumueller
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275 <lists@reserv.at>, but changed completely since we use a format
276 instead of a protocol)
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277
278version 0.4.2:
279
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280- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
281 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 282 missing. MSMPEG4 support is complete.
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283- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
284 can decode ffmpeg MPEGs :-)).
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285- added libavcodec API documentation (see apiexample.c).
286- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 287 greenish)
de6d9b64 288- added support for non clipped motion vectors (decoding only)
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289 and image sizes non-multiple of 16
290- added support for AC prediction (decoding only)
291- added file overwrite confirmation (can be disabled with -y)
292- added custom size picture to H.263 using H.263+ (Juanjo)
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293
294version 0.4.1:
295
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296- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
297 of AVI and ASF to DIV3.
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298- added -me option to set motion estimation method
299 (default=log). suppressed redundant -hq option.
300- added options -acodec and -vcodec to force a given codec (useful for
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301 AVI for example)
302- fixed -an option
303- improved dct_quantize speed
304- factorized some motion estimation code
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305
306version 0.4.0:
307
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308- removing grab code from ffserver and moved it to ffmpeg. Added
309 multistream support to ffmpeg.
de6d9b64 310- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 311 URL)
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312- added high quality image resize code with polyphase filter (need
313 mmx/see optimisation). Enable multiple image size support in ffserver.
e0db8cfb 314- added multi live feed support in ffserver
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315- suppressed master feature from ffserver (it should be done with an
316 external program which opens the .ffm url and writes it to another
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317 ffserver)
318- added preliminary support for video stream parsing (WAV and AVI half
319 done). Added proper support for audio/video file conversion in
de6d9b64 320 ffmpeg.
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321- added preliminary support for video file sending from ffserver
322- redesigning I/O subsystem: now using URL based input and output
323 (see avio.h)
324- added WAV format support
325- added "tty user interface" to ffmpeg to stop grabbing gracefully
326- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
327 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo@atmlab.utfsm.cl>)
328- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
329- added new motion estimation algorithms, log and phods (Juanjo)
330- changed directories: libav for format handling, libavcodec for
331 codecs
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332
333version 0.3.4:
334
e0db8cfb 335- added stereo in MPEG audio encoder
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336
337version 0.3.3:
338
339- added 'high quality' mode which use motion vectors. It can be used in
340 real time at low resolution.
341- fixed rounding problems which caused quality problems at high
e0db8cfb 342 bitrates and large GOP size
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343
344version 0.3.2: small fixes
345
e0db8cfb 346- ASF fixes
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347- put_seek bug fix
348
349version 0.3.1: added avi/divx support
350
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351- added AVI support
352- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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353- added sound for flash format (not tested)
354
355version 0.3: initial public release