configure: simplify some OS-specific flag setting
[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
316d6c15 7- WebM support in Matroska de/muxer
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
a526d619 13- Pictor/PC Paint decoder
a2063901 14- HE-AAC v2 decoder
41f91b5f 15- libfaad2 wrapper removed
e83aed04 16- DTS-ES extension (XCh) decoding support
db7d307f 17- native VP8 decoder
680b2321 18- RTSP tunneling over HTTP
4449df6b 19- RTP depacketization of SVQ3
2d525ef4 20- -strict inofficial replaced by -strict unofficial
066ce8c9 21- ffplay -exitonkeydown and -exitonmousedown options added
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22
23
b9796cc7 24
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25version 0.6:
26
2db272e9 27- PB-frame decoding for H.263
b11163c8 28- deprecated vhook subsystem removed
3444c914 29- deprecated old scaler removed
616e899c 30- VQF demuxer
b3b5946c 31- Alpha channel scaler
effcedf7 32- PCX encoder
9edfaf3c 33- RTP packetization of H.263
08e696c0 34- RTP packetization of AMR
e6327fba 35- RTP depacketization of Vorbis
e9356be5 36- CorePNG decoding support
9189d7eb 37- Cook multichannel decoding support
276f8e2b 38- introduced avlanguage helpers in libavformat
f0b19bd3 39- 8088flex TMV demuxer and decoder
5f1ac36d 40- per-stream language-tags extraction in asfdec
ca0bb1c4 41- V210 decoder and encoder
de08ebe3 42- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 43- QCP demuxer
cbfe5bee 44- SoX native format muxer and demuxer
0b175caa 45- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 46- DPX image decoder
c63ea92b 47- Electronic Arts Madcow decoder
a4276ba2 48- DivX (XSUB) subtitle encoder
0a4a0aa7 49- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 50- experimental AAC encoder
c2f3eec4 51- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 52- RTMP support in libavformat
3106f489 53- noX handling for OPT_BOOL X options
740e89cf 54- Wave64 demuxer
ab1eff9c 55- IEC-61937 compatible Muxer
7bd47335 56- TwinVQ decoder
c58b82a2 57- Bluray (PGS) subtitle decoder
5dd3707b 58- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 59- WMA Pro decoder
5f14b565 60- Core Audio Format demuxer
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61- Atrac1 decoder
62- MD STUDIO audio demuxer
811e0fc2 63- RF64 support in WAV demuxer
99971952 64- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 65- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 66- IV8 demuxer
a3d995c1 67- CDG demuxer and decoder
4aaab0a3 68- R210 decoder
ce293510 69- Auravision Aura 1 and 2 decoders
e6565055 70- Deluxe Paint Animation playback system
d140b025 71- SIPR decoder
83ab7f18 72- Adobe Filmstrip muxer and demuxer
45aa9080 73- RTP depacketization of H.263
342c7dfd 74- Bink demuxer and audio/video decoders
4ebaec79 75- enable symbol versioning by default for linkers that support it
b9e06ddd 76- IFF PBM/ILBM bitmap decoder
084eb95f 77- concat protocol
5bebe94d 78- Indeo 5 decoder
556aa7a1 79- RTP depacketization of AMR
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80- WMA Voice decoder
81- ffprobe tool
4fe3edaa 82- AMR-NB decoder
6f5a3d0a 83- RTSP muxer
ed492b61 84- HE-AAC v1 decoder
bf354122 85- Kega Game Video (KGV1) decoder
59b4b540 86- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 87- RTP depacketization of Theora
b26708d5 88- HTTP Digest authentication
0f943ce6 89- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 90- Psygnosis YOP demuxer and video decoder
ca6e7708 91- spectral extension support in the E-AC-3 decoder
ac1c9564 92- unsharp video filter
910cde56 93- RTP hinting in the mov/3gp/mp4 muxer
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94- Dirac in Ogg demuxing
95- seek to keyframes in Ogg
96- 4:2:2 and 4:4:4 Theora decoding
97- 35% faster VP3/Theora decoding
98- faster AAC decoding
99- faster H.264 decoding
d31ba231 100- RealAudio 1.0 (14.4K) encoder
de08ebe3 101
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102
103
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104version 0.5:
105
06ab9cff 106- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 107- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 108- IBM Ultimotion (ULTI) video decoder
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109- Sierra Online audio file demuxer and decoder
110- Apple QuickDraw (qdrw) video decoder
22052247 111- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 112- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 113- Miro VideoXL (VIXL) video decoder
b06b45c4 114- H.261 video encoder
acfd8f0f 115- QPEG video decoder
353147ed 116- Nullsoft Video (NSV) file demuxer
13dfd2b9 117- Shorten audio decoder
9c7fb608 118- LOCO video decoder
115329f1 119- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 120- Winnov WNV1 video decoder
589f8220 121- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 122- Indeo 2 video decoder
b81f8949 123- Fraps FPS1 video decoder
e0db8cfb 124- Snow video encoder/decoder
af4ca324 125- Sonic audio encoder/decoder
108ab268 126- Vorbis audio decoder
af4ca324 127- Macromedia ADPCM decoder
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128- Duck TrueMotion 2 video decoder
129- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 130- H.264 custom quantization matrices support
a8289180 131- ffserver fixed, it should now be usable again
8d1018bf 132- QDM2 audio decoder
8a2d410e 133- Real Cooker audio decoder
bf3027c8 134- TrueSpeech audio decoder
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135- WMA2 audio decoder fixed, now all files should play correctly
136- RealAudio 14.4 and 28.8 decoders fixed
108ab268 137- JPEG-LS decoder
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138- build system improvements
139- tabs and trailing whitespace removed from the codebase
108ab268 140- CamStudio video decoder
f11288da 141- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 142- ADTS AAC file reading and writing
ea395e8c 143- Creative VOC file reading and writing
4e114829 144- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 145- Zip Motion Blocks Video decoder
58cf42fa 146- improved Theora/VP3 decoder
8a2d410e 147- True Audio (TTA) decoder
26376701 148- AVS demuxer and video decoder
108ab268 149- JPEG-LS encoder
348efc18 150- Smacker demuxer and decoder
dfca23e3 151- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 152- KMVC decoder
58cf42fa 153- MPEG-2 intra VLC support
2d974017 154- MPEG-2 4:2:2 encoder
0919e788 155- Flash Screen Video decoder
cc0bc648 156- GXF demuxer
6a09487e 157- Chinese AVS decoder
43dcf590 158- GXF muxer
07bf2af8 159- MXF demuxer
b394e39a 160- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 161- MacIntel support
8ac17293 162- AVISynth support
eb57c889 163- VMware video decoder
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164- VP5 video decoder
165- VP6 video decoder
730581f3 166- WavPack lossless audio decoder
3689cf16 167- Targa (.TGA) picture decoder
108ab268 168- Vorbis audio encoder
dc56e0de 169- Delphine Software .cin demuxer/audio and video decoder
29f86228 170- Tiertex .seq demuxer/video decoder
f7bc5837 171- MTV demuxer
716222db 172- TIFF picture encoder and decoder
06d392a7 173- GIF picture decoder
58cf42fa 174- Intel Music Coder decoder
6a7d2c3d 175- Zip Motion Blocks Video encoder
185c7b6b 176- Musepack decoder
8adc51f2 177- Flash Screen Video encoder
150d2772 178- Theora encoding via libtheora
52548eee 179- BMP encoder
039cd4a7 180- WMA encoder
346a655d 181- GSM-MS encoder and decoder
01ca9ac3 182- DCA decoder
33a0dd37 183- DXA demuxer and decoder
52b6bad2 184- DNxHD decoder
efb0c399 185- Gamecube movie (.THP) playback system
a5fbe001 186- Blackfin optimizations
9a0ddd09 187- Interplay C93 demuxer and video decoder
1e6c6759 188- Bethsoft VID demuxer and video decoder
8e952e4d 189- CRYO APC demuxer
10e26bc7 190- Atrac3 decoder
b46d68c6 191- V.Flash PTX decoder
58cf42fa 192- RoQ muxer, RoQ audio encoder
ad39f1a7 193- Renderware TXD demuxer and decoder
4d5588cf 194- extern C declarations for C++ removed from headers
82e60541 195- sws_flags command line option
ddcf4b5d 196- codebook generator
03e3e765 197- RoQ video encoder
d3b7406c 198- QTRLE encoder
d22e8442 199- OS/2 support removed and restored again
6ea67bbb 200- AC-3 decoder
58cf42fa 201- NUT muxer
108ab268 202- additional SPARC (VIS) optimizations
e09f7d61 203- Matroska muxer
58cf42fa 204- slice-based parallel H.264 decoding
bf4a1f17 205- Monkey's Audio demuxer and decoder
8787d837 206- AMV audio and video decoder
fc4cbc16 207- DNxHD encoder
d6c52130 208- H.264 PAFF decoding
636b13c5 209- Nellymoser ASAO decoder
66f7679c 210- Beam Software SIFF demuxer and decoder
f9def9cc 211- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 212- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 213- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 214- The "device" muxers and demuxers are now in a new libavdevice library
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215- PC Paintbrush PCX decoder
216- Sun Rasterfile decoder
920d3609 217- TechnoTrend PVA demuxer
77c1d04d 218- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 219- AVM2 (Flash 9) SWF muxer
9dc92a38 220- QT variant of IMA ADPCM encoder
39fc859e 221- VFW grabber
58cf42fa 222- iPod/iPhone compatible mp4 muxer
a7129de5 223- Mimic decoder
0f3444e1 224- MSN TCP Webcam stream demuxer
86b3cf7c 225- RL2 demuxer / decoder
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226- IFF demuxer
227- 8SVX audio decoder
b00b15be 228- non-recursive Makefiles
b64c096b 229- BFI demuxer
74118c07 230- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 231- BFI video decoder
ea662534 232- OMA demuxer
b517af05 233- MLP/TrueHD decoder
e1c74782 234- Electronic Arts CMV decoder
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235- Motion Pixels Video decoder
236- Motion Pixels MVI demuxer
e44bbf62 237- removed animated GIF decoder/demuxer
51c3861e 238- D-Cinema audio muxer
cfc78718 239- Electronic Arts TGV decoder
833e90dd 240- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 241- AAC decoder
eb6fc557 242- floating point PCM encoder/decoder
cedebde1 243- MXF muxer
108ab268 244- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 245- E-AC-3 support added to AC-3 decoder
755ba886 246- Nellymoser ASAO encoder
0c86f89a 247- ASS and SSA demuxer and muxer
d8d12c15 248- liba52 wrapper removed
0ac1dc6f 249- SVQ3 watermark decoding support
f6958006 250- Speex decoding via libspeex
42b30357 251- Electronic Arts TGQ decoder
108ab268 252- RV40 decoder
73b458e3 253- QCELP / PureVoice decoder
108ab268 254- RV30 decoder
7906f3ca 255- hybrid WavPack support
7eb68edb 256- R3D REDCODE demuxer
115d095e 257- ALSA support for playback and record
d8964f3a 258- Electronic Arts TQI decoder
9a77d59a 259- OpenJPEG based JPEG 2000 decoder
58cf42fa 260- NC (NC4600) camera file demuxer
865780ae 261- Gopher client support
bd3f81f3 262- MXF D-10 muxer
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263- generic metadata API
264
9d53d58e 265
0ca3e336 266
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267version 0.4.9-pre1:
268
4fa1c4fa 269- DV encoder, DV muxer
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270- Microsoft RLE video decoder
271- Microsoft Video-1 decoder
070ed1bc 272- Apple Animation (RLE) decoder
42cad81a 273- Apple Graphics (SMC) decoder
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274- Apple Video (RPZA) decoder
275- Cinepak decoder
276- Sega FILM (CPK) file demuxer
42cad81a 277- Westwood multimedia support (VQA & AUD files)
4120a53a 278- Id Quake II CIN playback support
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279- 8BPS video decoder
280- FLIC playback support
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281- RealVideo 2.0 (RV20) decoder
282- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 283- Sierra VMD demuxer and video decoder
1defd2a8 284- MSZH and ZLIB decoder support
3b64893d 285- SVQ1 video encoder
1defd2a8 286- AMR-WB support
e0db8cfb 287- PPC optimizations
1defd2a8 288- rate distortion optimal cbp support
e0db8cfb 289- rate distorted optimal ac prediction for MPEG-4
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290- rate distorted optimal lambda->qp support
291- AAC encoding with libfaac
292- Sunplus JPEG codec (SP5X) support
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293- use Lagrange multipler instead of QP for ratecontrol
294- Theora/VP3 decoding support
1defd2a8 295- XA and ADX ADPCM codecs
e0db8cfb 296- export MPEG-2 active display area / pan scan
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297- Add support for configuring with IBM XLC
298- floating point AAN DCT
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299- initial support for zygo video (not complete)
300- RGB ffv1 support
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301- new audio/video parser API
302- av_log() system
303- av_read_frame() and av_seek_frame() support
304- missing last frame fixes
305- seek by mouse in ffplay
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306- noise reduction of DCT coefficients
307- H.263 OBMC & 4MV support
308- H.263 alternative inter vlc support
309- H.263 loop filter
310- H.263 slice structured mode
311- interlaced DCT support for MPEG-2 encoding
1defd2a8 312- stuffing to stay above min_bitrate
e0db8cfb 313- MB type & QP visualization
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314- frame stepping for ffplay
315- interlaced motion estimation
316- alternate scantable support
317- SVCD scan offset support
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318- closed GOP support
319- SSE2 FDCT
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320- quantizer noise shaping
321- G.726 ADPCM audio codec
322- MS ADPCM encoding
323- multithreaded/SMP motion estimation
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324- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
325- multithreaded/SMP decoding for MPEG-2
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326- FLAC decoder
327- Metrowerks CodeWarrior suppport
e0db8cfb 328- H.263+ custom pcf support
1defd2a8 329- nicer output for 'ffmpeg -formats'
e0db8cfb 330- Matroska demuxer
1defd2a8 331- SGI image format, encoding and decoding
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332- H.264 loop filter support
333- H.264 CABAC support
f073a393 334- nicer looking arrows for the motion vector visualization
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335- improved VCD support
336- audio timestamp drift compensation
e0db8cfb 337- MPEG-2 YUV 422/444 support
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338- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
339- better image scaling
e0db8cfb 340- H.261 support
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341- correctly interleave packets during encoding
342- VIS optimized motion compensation
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343- intra_dc_precision>0 encoding support
344- support reuse of motion vectors/MB types/field select values of the source video
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345- more accurate deblock filter
346- padding support
347- many optimizations and bugfixes
055dc116 348- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 349
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350
351
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352version 0.4.8:
353
e0db8cfb 354- MPEG-2 video encoding (Michael)
d9d8910b 355- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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356- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
357 and Mario Brito)
358- Xan DPCM audio decoder (Mario Brito)
186447f8 359- Interplay MVE playback subsystem (Mike Melanson)
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360- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
361
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362
363
b17e9c99 364version 0.4.7:
e07702ba 365
e0db8cfb 366- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 367 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 368- current version now also compiles with older GCC (Fabrice)
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369- 4X multimedia playback system including 4xm file demuxer (Mike
370 Melanson), and 4X video and audio codecs (Michael)
371- Creative YUV (CYUV) decoder (Mike Melanson)
372- FFV1 codec (our very simple lossless intra only codec, compresses much better
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373 than HuffYUV) (Michael)
374- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
375- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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376 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
377- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 378 for multiplatform support (Fabrice)
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379- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
380 by anonymous
381- AMR format has been added (Johannes Carlsson)
e0db8cfb 382- 3GP support has been added (Johannes Carlsson)
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383- VP3 codec has been added (Mike Melanson)
384- more MPEG-1/2 fixes
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385- better multiplatform support, MS Visual Studio fixes (various)
386- AltiVec optimizations (Magnus Damn and others)
e07702ba 387- SH4 processor support has been added (BERO)
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388- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
389- VOB streaming support (Brian Foley)
390- better MP3 autodetection (Andriy Rysin)
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391- qpel encoding (Michael)
392- 4mv+b frames encoding finally fixed (Michael)
393- chroma ME (Michael)
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394- 5 comparison functions for ME (Michael)
395- B-frame encoding speedup (Michael)
396- WMV2 codec (unfinished - Michael)
d3d10087 397- user specified diamond size for EPZS (Michael)
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398- Playstation STR playback subsystem, still experimental (Mike and Michael)
399- ASV2 codec (Michael)
400- CLJR decoder (Alex)
d3d10087 401
e0db8cfb 402.. And lots more new enhancements and fixes.
e07702ba 403
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404
405
d3d10087 406version 0.4.6:
739d6efa 407
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408- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
409 from scratch
410- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
411- fix quantization bug in AC3 encoder
412- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
413- added prototype ffplay program
414- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
415- bug fix on MCBPC tables of H.263 (Juanjo)
416- bug fix on DC coefficients of H.263 (Juanjo)
417- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
418- now we can decode H.263 streams found in QuickTime files (Juanjo)
419- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 420- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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421- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
422- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 423- added first regression tests
e0db8cfb 424- added MPEG-2 TS demuxer
a31e01c5 425- new demux API for libav
6d291820 426- more accurate and faster IDCT (Michael)
e0db8cfb 427- faster and entropy-controlled motion search (Michael)
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428- two pass video encoding (Michael)
429- new video rate control (Michael)
430- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
431- great performance improvement of video encoders and decoders (Michael)
432- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 433- high quality encoding mode: tries all macroblock/VLC types (Michael)
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434- added DV video decoder
435- preliminary RTP/RTSP support in ffserver and libavformat
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436- H.263+ AIC decoding/encoding support (Juanjo)
437- VCD MPEG-PS mode (Juanjo)
438- PSNR stuff (Juanjo)
439- simple stats output (Juanjo)
440- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 441
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442
443
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444version 0.4.5:
445
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446- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
447- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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448- added configure system (actually a small shell script)
449- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 450 Michael Hipp (temporary solution - waiting for integer only
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451 decoder)
452- fixed VIDIOCSYNC interrupt
453- added Intel H.263 decoding support ('I263' AVI fourCC)
454- added Real Video 1.0 decoding (needs further testing)
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455- simplified image formats again. Added PGM format (=grey
456 pgm). Renamed old PGM to PGMYUV.
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457- fixed msmpeg4 slice issues (tell me if you still find problems)
458- fixed OpenDivX bugs with newer versions (added VOL header decoding)
459- added support for MPlayer interface
460- added macroblock skip optimization
461- added MJPEG decoder
462- added mmx/mmxext IDCT from libmpeg2
0c1e384c 463- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 464 <celer at shell.scrypt.net>)
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465- added pixel format conversion layer (e.g. for MJPEG or PPM)
466- added deinterlacing option
467- MPEG-1/2 fixes
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468- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
469- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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470- Windows porting of file converter
471- added MJPEG raw format (input/ouput)
472- added JPEG image format support (input/output)
de6d9b64 473
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474
475
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476version 0.4.4:
477
478- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 479 <bjorn.e.lindgren at telia.com>).
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480- added MPEG demuxer (MPEG-1 and 2 compatible).
481- added ASF demuxer
482- added prototype RM demuxer
483- added AC3 decoding (done with libac3 by Aaron Holtzman)
484- added decoding codec parameter guessing (.e.g. for MPEG, because the
485 header does not include them)
486- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
487 play them (only tested video)
488- fixed H.263 white bug
489- fixed phase rounding in img resample filter
490- add MMX code for polyphase img resample filter
491- added CPU autodetection
492- added generic title/author/copyright/comment string handling (ASF and RM
493 use them)
de6d9b64 494- added SWF demux to extract MP3 track (not usable yet because no MP3
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495 decoder)
496- added fractional frame rate support
de6d9b64 497- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 498 segfault)
de6d9b64 499
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500
501
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502version 0.4.3:
503
dd5cf2ad 504- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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505- fixed raw yuv output
506- added motion rounding support in MPEG-4
507- fixed motion bug rounding in MSMPEG4
508- added B-frame handling in video core
509- added full MPEG-1 decoding support
510- added partial (frame only) MPEG-2 support
de6d9b64 511- changed the FOURCC code for H.263 to "U263" to be able to see the
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512 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
513 this +codec ;) (JuanJo).
514- Halfpel motion estimation after MB type selection (JuanJo)
515- added pgm and .Y.U.V output format
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516- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
517 output.
518- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 519 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 520 instead of a protocol)
de6d9b64 521
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522
523
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524version 0.4.2:
525
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526- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
527 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 528 missing. MSMPEG4 support is complete.
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529- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
530 can decode ffmpeg MPEGs :-)).
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531- added libavcodec API documentation (see apiexample.c).
532- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 533 greenish)
de6d9b64 534- added support for non clipped motion vectors (decoding only)
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535 and image sizes non-multiple of 16
536- added support for AC prediction (decoding only)
537- added file overwrite confirmation (can be disabled with -y)
538- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 539
0ca3e336 540
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541version 0.4.1:
542
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543- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
544 of AVI and ASF to DIV3.
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545- added -me option to set motion estimation method
546 (default=log). suppressed redundant -hq option.
547- added options -acodec and -vcodec to force a given codec (useful for
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548 AVI for example)
549- fixed -an option
550- improved dct_quantize speed
551- factorized some motion estimation code
de6d9b64 552
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553
554
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555version 0.4.0:
556
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557- removing grab code from ffserver and moved it to ffmpeg. Added
558 multistream support to ffmpeg.
de6d9b64 559- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 560 URL)
de6d9b64 561- added high quality image resize code with polyphase filter (need
56cc85a0 562 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 563- added multi live feed support in ffserver
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564- suppressed master feature from ffserver (it should be done with an
565 external program which opens the .ffm url and writes it to another
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566 ffserver)
567- added preliminary support for video stream parsing (WAV and AVI half
568 done). Added proper support for audio/video file conversion in
de6d9b64 569 ffmpeg.
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570- added preliminary support for video file sending from ffserver
571- redesigning I/O subsystem: now using URL based input and output
572 (see avio.h)
573- added WAV format support
574- added "tty user interface" to ffmpeg to stop grabbing gracefully
575- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 576 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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577- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
578- added new motion estimation algorithms, log and phods (Juanjo)
579- changed directories: libav for format handling, libavcodec for
580 codecs
de6d9b64 581
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582
583
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584version 0.3.4:
585
e0db8cfb 586- added stereo in MPEG audio encoder
de6d9b64 587
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588
589
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590version 0.3.3:
591
592- added 'high quality' mode which use motion vectors. It can be used in
593 real time at low resolution.
594- fixed rounding problems which caused quality problems at high
e0db8cfb 595 bitrates and large GOP size
de6d9b64 596
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597
598
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599version 0.3.2: small fixes
600
e0db8cfb 601- ASF fixes
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602- put_seek bug fix
603
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604
605
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606version 0.3.1: added avi/divx support
607
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608- added AVI support
609- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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610- added sound for flash format (not tested)
611
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612
613
de6d9b64 614version 0.3: initial public release