matroskaenc: Mux clusters better
[libav.git] / Changelog
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1Entries are sorted chronologically from oldest to youngest within each release,
2releases are sorted from youngest to oldest.
3
4
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5version <next>:
6
fbe347d6 7- WebM support in Matroska demuxer
21d52447 8- low overhead Ogg muxing
a2403986 9- MMS-TCP support
ee0e9146 10- VP8 de/encoding via libvpx
31cd5a9a 11- CODEC_CAP_EXPERIMENTAL added
173bb37f 12- Demuxer for On2's IVF format
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13
14
15
16version 0.6:
17
2db272e9 18- PB-frame decoding for H.263
b11163c8 19- deprecated vhook subsystem removed
3444c914 20- deprecated old scaler removed
616e899c 21- VQF demuxer
b3b5946c 22- Alpha channel scaler
effcedf7 23- PCX encoder
9edfaf3c 24- RTP packetization of H.263
08e696c0 25- RTP packetization of AMR
e6327fba 26- RTP depacketization of Vorbis
e9356be5 27- CorePNG decoding support
9189d7eb 28- Cook multichannel decoding support
276f8e2b 29- introduced avlanguage helpers in libavformat
f0b19bd3 30- 8088flex TMV demuxer and decoder
5f1ac36d 31- per-stream language-tags extraction in asfdec
ca0bb1c4 32- V210 decoder and encoder
de08ebe3 33- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 34- QCP demuxer
cbfe5bee 35- SoX native format muxer and demuxer
0b175caa 36- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 37- DPX image decoder
c63ea92b 38- Electronic Arts Madcow decoder
a4276ba2 39- DivX (XSUB) subtitle encoder
0a4a0aa7 40- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 41- experimental AAC encoder
c2f3eec4 42- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 43- RTMP support in libavformat
3106f489 44- noX handling for OPT_BOOL X options
740e89cf 45- Wave64 demuxer
ab1eff9c 46- IEC-61937 compatible Muxer
7bd47335 47- TwinVQ decoder
c58b82a2 48- Bluray (PGS) subtitle decoder
5dd3707b 49- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 50- WMA Pro decoder
5f14b565 51- Core Audio Format demuxer
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52- Atrac1 decoder
53- MD STUDIO audio demuxer
811e0fc2 54- RF64 support in WAV demuxer
99971952 55- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 56- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 57- IV8 demuxer
a3d995c1 58- CDG demuxer and decoder
4aaab0a3 59- R210 decoder
ce293510 60- Auravision Aura 1 and 2 decoders
e6565055 61- Deluxe Paint Animation playback system
d140b025 62- SIPR decoder
83ab7f18 63- Adobe Filmstrip muxer and demuxer
45aa9080 64- RTP depacketization of H.263
342c7dfd 65- Bink demuxer and audio/video decoders
4ebaec79 66- enable symbol versioning by default for linkers that support it
b9e06ddd 67- IFF PBM/ILBM bitmap decoder
084eb95f 68- concat protocol
5bebe94d 69- Indeo 5 decoder
556aa7a1 70- RTP depacketization of AMR
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71- WMA Voice decoder
72- ffprobe tool
4fe3edaa 73- AMR-NB decoder
6f5a3d0a 74- RTSP muxer
ed492b61 75- HE-AAC v1 decoder
bf354122 76- Kega Game Video (KGV1) decoder
59b4b540 77- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 78- RTP depacketization of Theora
b26708d5 79- HTTP Digest authentication
0f943ce6 80- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 81- Psygnosis YOP demuxer and video decoder
ca6e7708 82- spectral extension support in the E-AC-3 decoder
ac1c9564 83- unsharp video filter
910cde56 84- RTP hinting in the mov/3gp/mp4 muxer
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85- Dirac in Ogg demuxing
86- seek to keyframes in Ogg
87- 4:2:2 and 4:4:4 Theora decoding
88- 35% faster VP3/Theora decoding
89- faster AAC decoding
90- faster H.264 decoding
de08ebe3 91
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92
93
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94version 0.5:
95
06ab9cff 96- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 97- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 98- IBM Ultimotion (ULTI) video decoder
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99- Sierra Online audio file demuxer and decoder
100- Apple QuickDraw (qdrw) video decoder
22052247 101- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 102- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 103- Miro VideoXL (VIXL) video decoder
b06b45c4 104- H.261 video encoder
acfd8f0f 105- QPEG video decoder
353147ed 106- Nullsoft Video (NSV) file demuxer
13dfd2b9 107- Shorten audio decoder
9c7fb608 108- LOCO video decoder
115329f1 109- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 110- Winnov WNV1 video decoder
589f8220 111- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 112- Indeo 2 video decoder
b81f8949 113- Fraps FPS1 video decoder
e0db8cfb 114- Snow video encoder/decoder
af4ca324 115- Sonic audio encoder/decoder
108ab268 116- Vorbis audio decoder
af4ca324 117- Macromedia ADPCM decoder
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118- Duck TrueMotion 2 video decoder
119- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 120- H.264 custom quantization matrices support
a8289180 121- ffserver fixed, it should now be usable again
8d1018bf 122- QDM2 audio decoder
8a2d410e 123- Real Cooker audio decoder
bf3027c8 124- TrueSpeech audio decoder
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125- WMA2 audio decoder fixed, now all files should play correctly
126- RealAudio 14.4 and 28.8 decoders fixed
108ab268 127- JPEG-LS decoder
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128- build system improvements
129- tabs and trailing whitespace removed from the codebase
108ab268 130- CamStudio video decoder
f11288da 131- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 132- ADTS AAC file reading and writing
ea395e8c 133- Creative VOC file reading and writing
4e114829 134- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 135- Zip Motion Blocks Video decoder
58cf42fa 136- improved Theora/VP3 decoder
8a2d410e 137- True Audio (TTA) decoder
26376701 138- AVS demuxer and video decoder
108ab268 139- JPEG-LS encoder
348efc18 140- Smacker demuxer and decoder
dfca23e3 141- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 142- KMVC decoder
58cf42fa 143- MPEG-2 intra VLC support
2d974017 144- MPEG-2 4:2:2 encoder
0919e788 145- Flash Screen Video decoder
cc0bc648 146- GXF demuxer
6a09487e 147- Chinese AVS decoder
43dcf590 148- GXF muxer
07bf2af8 149- MXF demuxer
b394e39a 150- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 151- MacIntel support
8ac17293 152- AVISynth support
eb57c889 153- VMware video decoder
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154- VP5 video decoder
155- VP6 video decoder
730581f3 156- WavPack lossless audio decoder
3689cf16 157- Targa (.TGA) picture decoder
108ab268 158- Vorbis audio encoder
dc56e0de 159- Delphine Software .cin demuxer/audio and video decoder
29f86228 160- Tiertex .seq demuxer/video decoder
f7bc5837 161- MTV demuxer
716222db 162- TIFF picture encoder and decoder
06d392a7 163- GIF picture decoder
58cf42fa 164- Intel Music Coder decoder
6a7d2c3d 165- Zip Motion Blocks Video encoder
185c7b6b 166- Musepack decoder
8adc51f2 167- Flash Screen Video encoder
150d2772 168- Theora encoding via libtheora
52548eee 169- BMP encoder
039cd4a7 170- WMA encoder
346a655d 171- GSM-MS encoder and decoder
01ca9ac3 172- DCA decoder
33a0dd37 173- DXA demuxer and decoder
52b6bad2 174- DNxHD decoder
efb0c399 175- Gamecube movie (.THP) playback system
a5fbe001 176- Blackfin optimizations
9a0ddd09 177- Interplay C93 demuxer and video decoder
1e6c6759 178- Bethsoft VID demuxer and video decoder
8e952e4d 179- CRYO APC demuxer
10e26bc7 180- Atrac3 decoder
b46d68c6 181- V.Flash PTX decoder
58cf42fa 182- RoQ muxer, RoQ audio encoder
ad39f1a7 183- Renderware TXD demuxer and decoder
4d5588cf 184- extern C declarations for C++ removed from headers
82e60541 185- sws_flags command line option
ddcf4b5d 186- codebook generator
03e3e765 187- RoQ video encoder
d3b7406c 188- QTRLE encoder
d22e8442 189- OS/2 support removed and restored again
6ea67bbb 190- AC-3 decoder
58cf42fa 191- NUT muxer
108ab268 192- additional SPARC (VIS) optimizations
e09f7d61 193- Matroska muxer
58cf42fa 194- slice-based parallel H.264 decoding
bf4a1f17 195- Monkey's Audio demuxer and decoder
8787d837 196- AMV audio and video decoder
fc4cbc16 197- DNxHD encoder
d6c52130 198- H.264 PAFF decoding
636b13c5 199- Nellymoser ASAO decoder
66f7679c 200- Beam Software SIFF demuxer and decoder
f9def9cc 201- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 202- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 203- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 204- The "device" muxers and demuxers are now in a new libavdevice library
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205- PC Paintbrush PCX decoder
206- Sun Rasterfile decoder
920d3609 207- TechnoTrend PVA demuxer
77c1d04d 208- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 209- AVM2 (Flash 9) SWF muxer
9dc92a38 210- QT variant of IMA ADPCM encoder
39fc859e 211- VFW grabber
58cf42fa 212- iPod/iPhone compatible mp4 muxer
a7129de5 213- Mimic decoder
0f3444e1 214- MSN TCP Webcam stream demuxer
86b3cf7c 215- RL2 demuxer / decoder
d299be08
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216- IFF demuxer
217- 8SVX audio decoder
b00b15be 218- non-recursive Makefiles
b64c096b 219- BFI demuxer
74118c07 220- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 221- BFI video decoder
ea662534 222- OMA demuxer
b517af05 223- MLP/TrueHD decoder
e1c74782 224- Electronic Arts CMV decoder
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225- Motion Pixels Video decoder
226- Motion Pixels MVI demuxer
e44bbf62 227- removed animated GIF decoder/demuxer
51c3861e 228- D-Cinema audio muxer
cfc78718 229- Electronic Arts TGV decoder
833e90dd 230- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 231- AAC decoder
eb6fc557 232- floating point PCM encoder/decoder
cedebde1 233- MXF muxer
108ab268 234- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 235- E-AC-3 support added to AC-3 decoder
755ba886 236- Nellymoser ASAO encoder
0c86f89a 237- ASS and SSA demuxer and muxer
d8d12c15 238- liba52 wrapper removed
0ac1dc6f 239- SVQ3 watermark decoding support
f6958006 240- Speex decoding via libspeex
42b30357 241- Electronic Arts TGQ decoder
108ab268 242- RV40 decoder
73b458e3 243- QCELP / PureVoice decoder
108ab268 244- RV30 decoder
7906f3ca 245- hybrid WavPack support
7eb68edb 246- R3D REDCODE demuxer
115d095e 247- ALSA support for playback and record
d8964f3a 248- Electronic Arts TQI decoder
9a77d59a 249- OpenJPEG based JPEG 2000 decoder
58cf42fa 250- NC (NC4600) camera file demuxer
865780ae 251- Gopher client support
bd3f81f3 252- MXF D-10 muxer
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253- generic metadata API
254
9d53d58e 255
0ca3e336 256
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257version 0.4.9-pre1:
258
4fa1c4fa 259- DV encoder, DV muxer
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260- Microsoft RLE video decoder
261- Microsoft Video-1 decoder
070ed1bc 262- Apple Animation (RLE) decoder
42cad81a 263- Apple Graphics (SMC) decoder
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264- Apple Video (RPZA) decoder
265- Cinepak decoder
266- Sega FILM (CPK) file demuxer
42cad81a 267- Westwood multimedia support (VQA & AUD files)
4120a53a 268- Id Quake II CIN playback support
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269- 8BPS video decoder
270- FLIC playback support
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271- RealVideo 2.0 (RV20) decoder
272- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 273- Sierra VMD demuxer and video decoder
1defd2a8 274- MSZH and ZLIB decoder support
3b64893d 275- SVQ1 video encoder
1defd2a8 276- AMR-WB support
e0db8cfb 277- PPC optimizations
1defd2a8 278- rate distortion optimal cbp support
e0db8cfb 279- rate distorted optimal ac prediction for MPEG-4
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280- rate distorted optimal lambda->qp support
281- AAC encoding with libfaac
282- Sunplus JPEG codec (SP5X) support
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283- use Lagrange multipler instead of QP for ratecontrol
284- Theora/VP3 decoding support
1defd2a8 285- XA and ADX ADPCM codecs
e0db8cfb 286- export MPEG-2 active display area / pan scan
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287- Add support for configuring with IBM XLC
288- floating point AAN DCT
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289- initial support for zygo video (not complete)
290- RGB ffv1 support
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291- new audio/video parser API
292- av_log() system
293- av_read_frame() and av_seek_frame() support
294- missing last frame fixes
295- seek by mouse in ffplay
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296- noise reduction of DCT coefficients
297- H.263 OBMC & 4MV support
298- H.263 alternative inter vlc support
299- H.263 loop filter
300- H.263 slice structured mode
301- interlaced DCT support for MPEG-2 encoding
1defd2a8 302- stuffing to stay above min_bitrate
e0db8cfb 303- MB type & QP visualization
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304- frame stepping for ffplay
305- interlaced motion estimation
306- alternate scantable support
307- SVCD scan offset support
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308- closed GOP support
309- SSE2 FDCT
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310- quantizer noise shaping
311- G.726 ADPCM audio codec
312- MS ADPCM encoding
313- multithreaded/SMP motion estimation
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314- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
315- multithreaded/SMP decoding for MPEG-2
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316- FLAC decoder
317- Metrowerks CodeWarrior suppport
e0db8cfb 318- H.263+ custom pcf support
1defd2a8 319- nicer output for 'ffmpeg -formats'
e0db8cfb 320- Matroska demuxer
1defd2a8 321- SGI image format, encoding and decoding
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322- H.264 loop filter support
323- H.264 CABAC support
f073a393 324- nicer looking arrows for the motion vector visualization
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325- improved VCD support
326- audio timestamp drift compensation
e0db8cfb 327- MPEG-2 YUV 422/444 support
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328- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
329- better image scaling
e0db8cfb 330- H.261 support
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331- correctly interleave packets during encoding
332- VIS optimized motion compensation
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333- intra_dc_precision>0 encoding support
334- support reuse of motion vectors/MB types/field select values of the source video
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335- more accurate deblock filter
336- padding support
337- many optimizations and bugfixes
055dc116 338- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 339
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340
341
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342version 0.4.8:
343
e0db8cfb 344- MPEG-2 video encoding (Michael)
d9d8910b 345- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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346- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
347 and Mario Brito)
348- Xan DPCM audio decoder (Mario Brito)
186447f8 349- Interplay MVE playback subsystem (Mike Melanson)
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350- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
351
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352
353
b17e9c99 354version 0.4.7:
e07702ba 355
e0db8cfb 356- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 357 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 358- current version now also compiles with older GCC (Fabrice)
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359- 4X multimedia playback system including 4xm file demuxer (Mike
360 Melanson), and 4X video and audio codecs (Michael)
361- Creative YUV (CYUV) decoder (Mike Melanson)
362- FFV1 codec (our very simple lossless intra only codec, compresses much better
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363 than HuffYUV) (Michael)
364- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
365- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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366 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
367- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 368 for multiplatform support (Fabrice)
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369- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
370 by anonymous
371- AMR format has been added (Johannes Carlsson)
e0db8cfb 372- 3GP support has been added (Johannes Carlsson)
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373- VP3 codec has been added (Mike Melanson)
374- more MPEG-1/2 fixes
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375- better multiplatform support, MS Visual Studio fixes (various)
376- AltiVec optimizations (Magnus Damn and others)
e07702ba 377- SH4 processor support has been added (BERO)
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378- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
379- VOB streaming support (Brian Foley)
380- better MP3 autodetection (Andriy Rysin)
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381- qpel encoding (Michael)
382- 4mv+b frames encoding finally fixed (Michael)
383- chroma ME (Michael)
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384- 5 comparison functions for ME (Michael)
385- B-frame encoding speedup (Michael)
386- WMV2 codec (unfinished - Michael)
d3d10087 387- user specified diamond size for EPZS (Michael)
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388- Playstation STR playback subsystem, still experimental (Mike and Michael)
389- ASV2 codec (Michael)
390- CLJR decoder (Alex)
d3d10087 391
e0db8cfb 392.. And lots more new enhancements and fixes.
e07702ba 393
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394
395
d3d10087 396version 0.4.6:
739d6efa 397
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398- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
399 from scratch
400- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
401- fix quantization bug in AC3 encoder
402- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
403- added prototype ffplay program
404- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
405- bug fix on MCBPC tables of H.263 (Juanjo)
406- bug fix on DC coefficients of H.263 (Juanjo)
407- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
408- now we can decode H.263 streams found in QuickTime files (Juanjo)
409- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 410- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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411- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
412- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 413- added first regression tests
e0db8cfb 414- added MPEG-2 TS demuxer
a31e01c5 415- new demux API for libav
6d291820 416- more accurate and faster IDCT (Michael)
e0db8cfb 417- faster and entropy-controlled motion search (Michael)
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418- two pass video encoding (Michael)
419- new video rate control (Michael)
420- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
421- great performance improvement of video encoders and decoders (Michael)
422- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 423- high quality encoding mode: tries all macroblock/VLC types (Michael)
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424- added DV video decoder
425- preliminary RTP/RTSP support in ffserver and libavformat
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426- H.263+ AIC decoding/encoding support (Juanjo)
427- VCD MPEG-PS mode (Juanjo)
428- PSNR stuff (Juanjo)
429- simple stats output (Juanjo)
430- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 431
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432
433
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434version 0.4.5:
435
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436- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
437- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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438- added configure system (actually a small shell script)
439- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 440 Michael Hipp (temporary solution - waiting for integer only
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441 decoder)
442- fixed VIDIOCSYNC interrupt
443- added Intel H.263 decoding support ('I263' AVI fourCC)
444- added Real Video 1.0 decoding (needs further testing)
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445- simplified image formats again. Added PGM format (=grey
446 pgm). Renamed old PGM to PGMYUV.
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447- fixed msmpeg4 slice issues (tell me if you still find problems)
448- fixed OpenDivX bugs with newer versions (added VOL header decoding)
449- added support for MPlayer interface
450- added macroblock skip optimization
451- added MJPEG decoder
452- added mmx/mmxext IDCT from libmpeg2
0c1e384c 453- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 454 <celer at shell.scrypt.net>)
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455- added pixel format conversion layer (e.g. for MJPEG or PPM)
456- added deinterlacing option
457- MPEG-1/2 fixes
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458- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
459- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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460- Windows porting of file converter
461- added MJPEG raw format (input/ouput)
462- added JPEG image format support (input/output)
de6d9b64 463
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464
465
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466version 0.4.4:
467
468- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 469 <bjorn.e.lindgren at telia.com>).
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470- added MPEG demuxer (MPEG-1 and 2 compatible).
471- added ASF demuxer
472- added prototype RM demuxer
473- added AC3 decoding (done with libac3 by Aaron Holtzman)
474- added decoding codec parameter guessing (.e.g. for MPEG, because the
475 header does not include them)
476- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
477 play them (only tested video)
478- fixed H.263 white bug
479- fixed phase rounding in img resample filter
480- add MMX code for polyphase img resample filter
481- added CPU autodetection
482- added generic title/author/copyright/comment string handling (ASF and RM
483 use them)
de6d9b64 484- added SWF demux to extract MP3 track (not usable yet because no MP3
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485 decoder)
486- added fractional frame rate support
de6d9b64 487- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 488 segfault)
de6d9b64 489
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490
491
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492version 0.4.3:
493
dd5cf2ad 494- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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495- fixed raw yuv output
496- added motion rounding support in MPEG-4
497- fixed motion bug rounding in MSMPEG4
498- added B-frame handling in video core
499- added full MPEG-1 decoding support
500- added partial (frame only) MPEG-2 support
de6d9b64 501- changed the FOURCC code for H.263 to "U263" to be able to see the
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502 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
503 this +codec ;) (JuanJo).
504- Halfpel motion estimation after MB type selection (JuanJo)
505- added pgm and .Y.U.V output format
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506- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
507 output.
508- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 509 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 510 instead of a protocol)
de6d9b64 511
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512
513
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514version 0.4.2:
515
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516- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
517 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 518 missing. MSMPEG4 support is complete.
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519- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
520 can decode ffmpeg MPEGs :-)).
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521- added libavcodec API documentation (see apiexample.c).
522- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 523 greenish)
de6d9b64 524- added support for non clipped motion vectors (decoding only)
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525 and image sizes non-multiple of 16
526- added support for AC prediction (decoding only)
527- added file overwrite confirmation (can be disabled with -y)
528- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 529
0ca3e336 530
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531version 0.4.1:
532
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533- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
534 of AVI and ASF to DIV3.
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535- added -me option to set motion estimation method
536 (default=log). suppressed redundant -hq option.
537- added options -acodec and -vcodec to force a given codec (useful for
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538 AVI for example)
539- fixed -an option
540- improved dct_quantize speed
541- factorized some motion estimation code
de6d9b64 542
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543
544
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545version 0.4.0:
546
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547- removing grab code from ffserver and moved it to ffmpeg. Added
548 multistream support to ffmpeg.
de6d9b64 549- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 550 URL)
de6d9b64 551- added high quality image resize code with polyphase filter (need
56cc85a0 552 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 553- added multi live feed support in ffserver
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554- suppressed master feature from ffserver (it should be done with an
555 external program which opens the .ffm url and writes it to another
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556 ffserver)
557- added preliminary support for video stream parsing (WAV and AVI half
558 done). Added proper support for audio/video file conversion in
de6d9b64 559 ffmpeg.
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560- added preliminary support for video file sending from ffserver
561- redesigning I/O subsystem: now using URL based input and output
562 (see avio.h)
563- added WAV format support
564- added "tty user interface" to ffmpeg to stop grabbing gracefully
565- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 566 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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567- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
568- added new motion estimation algorithms, log and phods (Juanjo)
569- changed directories: libav for format handling, libavcodec for
570 codecs
de6d9b64 571
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572
573
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574version 0.3.4:
575
e0db8cfb 576- added stereo in MPEG audio encoder
de6d9b64 577
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578
579
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580version 0.3.3:
581
582- added 'high quality' mode which use motion vectors. It can be used in
583 real time at low resolution.
584- fixed rounding problems which caused quality problems at high
e0db8cfb 585 bitrates and large GOP size
de6d9b64 586
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587
588
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589version 0.3.2: small fixes
590
e0db8cfb 591- ASF fixes
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592- put_seek bug fix
593
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594
595
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596version 0.3.1: added avi/divx support
597
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598- added AVI support
599- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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600- added sound for flash format (not tested)
601
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602
603
de6d9b64 604version 0.3: initial public release