AC-3 encoding is integer-only
[libav.git] / Changelog
CommitLineData
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1version 0.5:
2
c721d803 3- The "device" muxers and demuxers are now in a new libavdevice library
06ab9cff 4- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
f8007a14 5- DV100 AKA DVCPRO HD decoder and demuxer
9d53d58e 6- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 7- IBM Ultimotion (ULTI) video decoder
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8- Sierra Online audio file demuxer and decoder
9- Apple QuickDraw (qdrw) video decoder
22052247 10- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 11- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 12- Miro VideoXL (VIXL) video decoder
b06b45c4 13- H.261 video encoder
acfd8f0f 14- QPEG video decoder
353147ed 15- Nullsoft Video (NSV) file demuxer
13dfd2b9 16- Shorten audio decoder
9c7fb608 17- LOCO video decoder
115329f1 18- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 19- Winnov WNV1 video decoder
589f8220 20- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 21- Indeo 2 video decoder
b81f8949 22- Fraps FPS1 video decoder
e0db8cfb 23- Snow video encoder/decoder
af4ca324 24- Sonic audio encoder/decoder
a3cad047 25- Vorbis audio encoder/decoder
af4ca324 26- Macromedia ADPCM decoder
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27- Duck TrueMotion 2 video decoder
28- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 29- H.264 custom quantization matrices support
a8289180 30- ffserver fixed, it should now be usable again
8d1018bf 31- QDM2 audio decoder
8a2d410e 32- Real Cooker audio decoder
bf3027c8 33- TrueSpeech audio decoder
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34- WMA2 audio decoder fixed, now all files should play correctly
35- RealAudio 14.4 and 28.8 decoders fixed
26d6d032 36- JPEG-LS encoder and decoder
45e63d13 37- CamStudio video decoder
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38- build system improvements
39- tabs and trailing whitespace removed from the codebase
f11288da 40- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 41- ADTS AAC file reading and writing
ea395e8c 42- Creative VOC file reading and writing
4e114829 43- American Laser Games multimedia (*.mm) playback system
f48d6e1b 44- Zip Blocks Motion Video decoder and encoder
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45- Improved Theora/VP3 decoder
46- True Audio (TTA) decoder
26376701 47- AVS demuxer and video decoder
348efc18 48- Smacker demuxer and decoder
dfca23e3 49- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 50- KMVC decoder
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51- MPEG-2 intra vlc support
52- MPEG-2 4:2:2 encoder
0919e788 53- Flash Screen Video decoder
cc0bc648 54- GXF demuxer
6a09487e 55- Chinese AVS decoder
43dcf590 56- GXF muxer
07bf2af8 57- MXF demuxer
b394e39a 58- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 59- MacIntel support
8ac17293 60- AVISynth support
eb57c889 61- VMware video decoder
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62- VP5 video decoder
63- VP6 video decoder
730581f3 64- WavPack lossless audio decoder
3689cf16 65- Targa (.TGA) picture decoder
dc56e0de 66- Delphine Software .cin demuxer/audio and video decoder
29f86228 67- Tiertex .seq demuxer/video decoder
f7bc5837 68- MTV demuxer
716222db 69- TIFF picture encoder and decoder
06d392a7 70- GIF picture decoder
84ed36da 71- Intel Music decoder
185c7b6b 72- Musepack decoder
8adc51f2 73- Flash Screen Video encoder
150d2772 74- Theora encoding via libtheora
52548eee 75- BMP encoder
039cd4a7 76- WMA encoder
346a655d 77- GSM-MS encoder and decoder
01ca9ac3 78- DCA decoder
33a0dd37 79- DXA demuxer and decoder
52b6bad2 80- DNxHD decoder
efb0c399 81- Gamecube movie (.THP) playback system
a5fbe001 82- Blackfin optimizations
9a0ddd09 83- Interplay C93 demuxer and video decoder
1e6c6759 84- Bethsoft VID demuxer and video decoder
8e952e4d 85- CRYO APC demuxer
10e26bc7 86- Atrac3 decoder
b46d68c6 87- V.Flash PTX decoder
9020e697 88- RoQ muxer, audio encoder
ad39f1a7 89- Renderware TXD demuxer and decoder
4d5588cf 90- extern C declarations for C++ removed from headers
82e60541 91- sws_flags command line option
ddcf4b5d 92- codebook generator
03e3e765 93- RoQ video encoder
d3b7406c 94- QTRLE encoder
d22e8442 95- OS/2 support removed and restored again
6ea67bbb 96- AC-3 decoder
717c4eb0 97- NUT muxer (since r10052)
e09f7d61 98- Matroska muxer
13a579fc 99- Slice-based parallel H.264 decoding
bf4a1f17 100- Monkey's Audio demuxer and decoder
7b933617 101- additional SPARC (VIS) optimizations
8787d837 102- AMV audio and video decoder
fc4cbc16 103- DNxHD encoder
d6c52130 104- H.264 PAFF decoding
636b13c5 105- Nellymoser ASAO decoder
66f7679c 106- Beam Software SIFF demuxer and decoder
f9def9cc 107- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 108- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 109- Ogg (Theora, Vorbis and FLAC) muxer
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110- PC Paintbrush PCX decoder
111- Sun Rasterfile decoder
920d3609 112- TechnoTrend PVA demuxer
77c1d04d 113- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 114- AVM2 (Flash 9) SWF muxer
9dc92a38 115- QT variant of IMA ADPCM encoder
39fc859e 116- VFW grabber
aa9f4208 117- Ipod/Iphone compatible mp4 muxer
a7129de5 118- Mimic decoder
0f3444e1 119- MSN TCP Webcam stream demuxer
86b3cf7c 120- RL2 demuxer / decoder
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121- IFF demuxer
122- 8SVX audio decoder
b64c096b 123- BFI demuxer
74118c07 124- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 125- BFI video decoder
ea662534 126- OMA demuxer
b517af05 127- MLP/TrueHD decoder
e1c74782 128- Electronic Arts CMV decoder
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129- Motion Pixels Video decoder
130- Motion Pixels MVI demuxer
e44bbf62 131- removed animated GIF decoder/demuxer
51c3861e 132- D-Cinema audio muxer
cfc78718 133- Electronic Arts TGV decoder
833e90dd 134- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 135- AAC decoder
eb6fc557 136- floating point PCM encoder/decoder
cedebde1 137- MXF muxer
1f6a594d 138- E-AC-3 support added to AC-3 decoder
755ba886 139- Nellymoser ASAO encoder
0c86f89a 140- ASS and SSA demuxer and muxer
d8d12c15 141- liba52 wrapper removed
0ac1dc6f 142- SVQ3 watermark decoding support
f6958006 143- Speex decoding via libspeex
42b30357 144- Electronic Arts TGQ decoder
6beb8b26 145- RV30 and RV40 decoder
73b458e3 146- QCELP / PureVoice decoder
7906f3ca 147- hybrid WavPack support
7eb68edb 148- R3D REDCODE demuxer
115d095e 149- ALSA support for playback and record
d8964f3a 150- Electronic Arts TQI decoder
9a77d59a 151- OpenJPEG based JPEG 2000 decoder
eaf5d011 152- NC (NC4600) cameras file demuxer
865780ae 153- Gopher client support
bd3f81f3 154- MXF D-10 muxer
ec264570 155- Generic metadata API
9d53d58e 156
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157version 0.4.9-pre1:
158
4fa1c4fa 159- DV encoder, DV muxer
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160- Microsoft RLE video decoder
161- Microsoft Video-1 decoder
070ed1bc 162- Apple Animation (RLE) decoder
42cad81a 163- Apple Graphics (SMC) decoder
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164- Apple Video (RPZA) decoder
165- Cinepak decoder
166- Sega FILM (CPK) file demuxer
42cad81a 167- Westwood multimedia support (VQA & AUD files)
4120a53a 168- Id Quake II CIN playback support
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169- 8BPS video decoder
170- FLIC playback support
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171- RealVideo 2.0 (RV20) decoder
172- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 173- Sierra VMD demuxer and video decoder
1defd2a8 174- MSZH and ZLIB decoder support
3b64893d 175- SVQ1 video encoder
1defd2a8 176- AMR-WB support
e0db8cfb 177- PPC optimizations
1defd2a8 178- rate distortion optimal cbp support
e0db8cfb 179- rate distorted optimal ac prediction for MPEG-4
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180- rate distorted optimal lambda->qp support
181- AAC encoding with libfaac
182- Sunplus JPEG codec (SP5X) support
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183- use Lagrange multipler instead of QP for ratecontrol
184- Theora/VP3 decoding support
1defd2a8 185- XA and ADX ADPCM codecs
e0db8cfb 186- export MPEG-2 active display area / pan scan
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187- Add support for configuring with IBM XLC
188- floating point AAN DCT
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189- initial support for zygo video (not complete)
190- RGB ffv1 support
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191- new audio/video parser API
192- av_log() system
193- av_read_frame() and av_seek_frame() support
194- missing last frame fixes
195- seek by mouse in ffplay
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196- noise reduction of DCT coefficients
197- H.263 OBMC & 4MV support
198- H.263 alternative inter vlc support
199- H.263 loop filter
200- H.263 slice structured mode
201- interlaced DCT support for MPEG-2 encoding
1defd2a8 202- stuffing to stay above min_bitrate
e0db8cfb 203- MB type & QP visualization
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204- frame stepping for ffplay
205- interlaced motion estimation
206- alternate scantable support
207- SVCD scan offset support
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208- closed GOP support
209- SSE2 FDCT
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210- quantizer noise shaping
211- G.726 ADPCM audio codec
212- MS ADPCM encoding
213- multithreaded/SMP motion estimation
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214- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
215- multithreaded/SMP decoding for MPEG-2
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216- FLAC decoder
217- Metrowerks CodeWarrior suppport
e0db8cfb 218- H.263+ custom pcf support
1defd2a8 219- nicer output for 'ffmpeg -formats'
e0db8cfb 220- Matroska demuxer
1defd2a8 221- SGI image format, encoding and decoding
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222- H.264 loop filter support
223- H.264 CABAC support
f073a393 224- nicer looking arrows for the motion vector visualization
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225- improved VCD support
226- audio timestamp drift compensation
e0db8cfb 227- MPEG-2 YUV 422/444 support
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228- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
229- better image scaling
e0db8cfb 230- H.261 support
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231- correctly interleave packets during encoding
232- VIS optimized motion compensation
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233- intra_dc_precision>0 encoding support
234- support reuse of motion vectors/MB types/field select values of the source video
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235- more accurate deblock filter
236- padding support
237- many optimizations and bugfixes
055dc116 238- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 239
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240version 0.4.8:
241
e0db8cfb 242- MPEG-2 video encoding (Michael)
d9d8910b 243- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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244- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
245 and Mario Brito)
246- Xan DPCM audio decoder (Mario Brito)
186447f8 247- Interplay MVE playback subsystem (Mike Melanson)
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248- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
249
250version 0.4.7:
e07702ba 251
e0db8cfb 252- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 253 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 254- current version now also compiles with older GCC (Fabrice)
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255- 4X multimedia playback system including 4xm file demuxer (Mike
256 Melanson), and 4X video and audio codecs (Michael)
257- Creative YUV (CYUV) decoder (Mike Melanson)
258- FFV1 codec (our very simple lossless intra only codec, compresses much better
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259 than HuffYUV) (Michael)
260- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
261- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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262 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
263- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 264 for multiplatform support (Fabrice)
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265- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
266 by anonymous
267- AMR format has been added (Johannes Carlsson)
e0db8cfb 268- 3GP support has been added (Johannes Carlsson)
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269- VP3 codec has been added (Mike Melanson)
270- more MPEG-1/2 fixes
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271- better multiplatform support, MS Visual Studio fixes (various)
272- AltiVec optimizations (Magnus Damn and others)
e07702ba 273- SH4 processor support has been added (BERO)
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274- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
275- VOB streaming support (Brian Foley)
276- better MP3 autodetection (Andriy Rysin)
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277- qpel encoding (Michael)
278- 4mv+b frames encoding finally fixed (Michael)
279- chroma ME (Michael)
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280- 5 comparison functions for ME (Michael)
281- B-frame encoding speedup (Michael)
282- WMV2 codec (unfinished - Michael)
d3d10087 283- user specified diamond size for EPZS (Michael)
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284- Playstation STR playback subsystem, still experimental (Mike and Michael)
285- ASV2 codec (Michael)
286- CLJR decoder (Alex)
d3d10087 287
e0db8cfb 288.. And lots more new enhancements and fixes.
e07702ba 289
d3d10087 290version 0.4.6:
739d6efa 291
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292- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
293 from scratch
294- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
295- fix quantization bug in AC3 encoder
296- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
297- added prototype ffplay program
298- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
299- bug fix on MCBPC tables of H.263 (Juanjo)
300- bug fix on DC coefficients of H.263 (Juanjo)
301- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
302- now we can decode H.263 streams found in QuickTime files (Juanjo)
303- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 304- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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305- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
306- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 307- added first regression tests
e0db8cfb 308- added MPEG-2 TS demuxer
a31e01c5 309- new demux API for libav
6d291820 310- more accurate and faster IDCT (Michael)
e0db8cfb 311- faster and entropy-controlled motion search (Michael)
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312- two pass video encoding (Michael)
313- new video rate control (Michael)
314- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
315- great performance improvement of video encoders and decoders (Michael)
316- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 317- high quality encoding mode: tries all macroblock/VLC types (Michael)
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318- added DV video decoder
319- preliminary RTP/RTSP support in ffserver and libavformat
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320- H.263+ AIC decoding/encoding support (Juanjo)
321- VCD MPEG-PS mode (Juanjo)
322- PSNR stuff (Juanjo)
323- simple stats output (Juanjo)
324- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 325
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326version 0.4.5:
327
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328- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
329- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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330- added configure system (actually a small shell script)
331- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 332 Michael Hipp (temporary solution - waiting for integer only
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333 decoder)
334- fixed VIDIOCSYNC interrupt
335- added Intel H.263 decoding support ('I263' AVI fourCC)
336- added Real Video 1.0 decoding (needs further testing)
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337- simplified image formats again. Added PGM format (=grey
338 pgm). Renamed old PGM to PGMYUV.
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339- fixed msmpeg4 slice issues (tell me if you still find problems)
340- fixed OpenDivX bugs with newer versions (added VOL header decoding)
341- added support for MPlayer interface
342- added macroblock skip optimization
343- added MJPEG decoder
344- added mmx/mmxext IDCT from libmpeg2
0c1e384c 345- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 346 <celer at shell.scrypt.net>)
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347- added pixel format conversion layer (e.g. for MJPEG or PPM)
348- added deinterlacing option
349- MPEG-1/2 fixes
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350- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
351- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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352- Windows porting of file converter
353- added MJPEG raw format (input/ouput)
354- added JPEG image format support (input/output)
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355
356version 0.4.4:
357
358- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 359 <bjorn.e.lindgren at telia.com>).
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360- added MPEG demuxer (MPEG-1 and 2 compatible).
361- added ASF demuxer
362- added prototype RM demuxer
363- added AC3 decoding (done with libac3 by Aaron Holtzman)
364- added decoding codec parameter guessing (.e.g. for MPEG, because the
365 header does not include them)
366- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
367 play them (only tested video)
368- fixed H.263 white bug
369- fixed phase rounding in img resample filter
370- add MMX code for polyphase img resample filter
371- added CPU autodetection
372- added generic title/author/copyright/comment string handling (ASF and RM
373 use them)
de6d9b64 374- added SWF demux to extract MP3 track (not usable yet because no MP3
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375 decoder)
376- added fractional frame rate support
de6d9b64 377- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 378 segfault)
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379
380version 0.4.3:
381
dd5cf2ad 382- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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383- fixed raw yuv output
384- added motion rounding support in MPEG-4
385- fixed motion bug rounding in MSMPEG4
386- added B-frame handling in video core
387- added full MPEG-1 decoding support
388- added partial (frame only) MPEG-2 support
de6d9b64 389- changed the FOURCC code for H.263 to "U263" to be able to see the
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390 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
391 this +codec ;) (JuanJo).
392- Halfpel motion estimation after MB type selection (JuanJo)
393- added pgm and .Y.U.V output format
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394- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
395 output.
396- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 397 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 398 instead of a protocol)
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399
400version 0.4.2:
401
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402- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
403 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 404 missing. MSMPEG4 support is complete.
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405- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
406 can decode ffmpeg MPEGs :-)).
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407- added libavcodec API documentation (see apiexample.c).
408- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 409 greenish)
de6d9b64 410- added support for non clipped motion vectors (decoding only)
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411 and image sizes non-multiple of 16
412- added support for AC prediction (decoding only)
413- added file overwrite confirmation (can be disabled with -y)
414- added custom size picture to H.263 using H.263+ (Juanjo)
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415
416version 0.4.1:
417
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418- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
419 of AVI and ASF to DIV3.
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420- added -me option to set motion estimation method
421 (default=log). suppressed redundant -hq option.
422- added options -acodec and -vcodec to force a given codec (useful for
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423 AVI for example)
424- fixed -an option
425- improved dct_quantize speed
426- factorized some motion estimation code
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427
428version 0.4.0:
429
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430- removing grab code from ffserver and moved it to ffmpeg. Added
431 multistream support to ffmpeg.
de6d9b64 432- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 433 URL)
de6d9b64 434- added high quality image resize code with polyphase filter (need
56cc85a0 435 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 436- added multi live feed support in ffserver
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437- suppressed master feature from ffserver (it should be done with an
438 external program which opens the .ffm url and writes it to another
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439 ffserver)
440- added preliminary support for video stream parsing (WAV and AVI half
441 done). Added proper support for audio/video file conversion in
de6d9b64 442 ffmpeg.
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443- added preliminary support for video file sending from ffserver
444- redesigning I/O subsystem: now using URL based input and output
445 (see avio.h)
446- added WAV format support
447- added "tty user interface" to ffmpeg to stop grabbing gracefully
448- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 449 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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450- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
451- added new motion estimation algorithms, log and phods (Juanjo)
452- changed directories: libav for format handling, libavcodec for
453 codecs
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454
455version 0.3.4:
456
e0db8cfb 457- added stereo in MPEG audio encoder
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458
459version 0.3.3:
460
461- added 'high quality' mode which use motion vectors. It can be used in
462 real time at low resolution.
463- fixed rounding problems which caused quality problems at high
e0db8cfb 464 bitrates and large GOP size
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465
466version 0.3.2: small fixes
467
e0db8cfb 468- ASF fixes
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469- put_seek bug fix
470
471version 0.3.1: added avi/divx support
472
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473- added AVI support
474- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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475- added sound for flash format (not tested)
476
477version 0.3: initial public release