sws: remove disabled cruft.
[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
2db272e9
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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
173bb37f 11- Demuxer for On2's IVF format
a526d619 12- Pictor/PC Paint decoder
a2063901 13- HE-AAC v2 decoder
41f91b5f 14- libfaad2 wrapper removed
e83aed04 15- DTS-ES extension (XCh) decoding support
db7d307f 16- native VP8 decoder
680b2321 17- RTSP tunneling over HTTP
4449df6b 18- RTP depacketization of SVQ3
2d525ef4 19- -strict inofficial replaced by -strict unofficial
066ce8c9 20- ffplay -exitonkeydown and -exitonmousedown options added
b576934d 21- native GSM / GSM MS decoder
a59096e4 22- RTP depacketization of QDM2
5a717094 23- ANSI/ASCII art playback system
e8723e24 24- Lego Mindstorms RSO de/muxer
aac6ca69 25- libavcore added
ba2c508d 26- SubRip subtitle file muxer and demuxer
de295976 27- Chinese AVS encoding via libxavs
530bbe96 28- ffprobe -show_packets option added
91af5601 29- RTP packetization of Theora and Vorbis
1ddc176e 30- RTP depacketization of MP4A-LATM
51291e60 31- RTP packetization and depacketization of VP8
a1e171df 32- hflip filter
cd223e0b 33- Apple HTTP Live Streaming demuxer
7f50caa7 34- a64 codec
b8521394 35- MMS-HTTP support
21e681ba 36- G.722 ADPCM audio encoder/decoder
43836928 37- R10k video decoder
6ebf0bfc 38- ocv_smooth filter
47941088 39- frei0r wrapper filter
2bc05d35 40- change crop filter syntax to width:height:x:y
75b67a8a 41- make the crop filter accept parametric expressions
6afd569e 42- make ffprobe accept AVFormatContext options
5900deeb 43- yadif filter
13fabd7a 44- blackframe filter
8878e3b2 45- Demuxer for Leitch/Harris' VR native stream format (LXF)
3ece3e4c 46- RTP depacketization of the X-QT QuickTime format
01c8d258 47- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
68b79bfc 48- cropdetect filter
5879ea6d 49- ffmpeg -crop* options removed
43945b27 50- transpose filter added
4ad08021 51- ffmpeg -force_key_frames option added
44594cc7 52- demuxer for receiving raw rtp:// URLs without an SDP description
136e19e1 53- single stream LATM/LOAS decoder
a532bb39 54- setpts filter added
61b1f0f9 55- Win64 support for optimized asm functions
ba83c4bf 56- MJPEG/AVI1 to JPEG/JFIF bitstream filter
c99f9b0a 57- ASS subtitle encoder and decoder
482d98f6 58- IEC 61937 encapsulation for E-AC3, TrueHD, DTS-HD (for HDMI passthrough)
58935b25 59- overlay filter added
2fb21bf4 60- rename aspect filter to setdar, and pixelaspect to setsar
3b39e273 61- IEC 61937 demuxer
9d09ebf1 62- Mobotix .mxg demuxer
f8608dca 63- frei0r source added
a4dc7aa5 64- hqdn3d filter added
35014efc 65- RTP depacketization of QCELP
475ae04a 66- FLAC parser added
d5f187fd 67- gradfun filter added
2b2a597e 68- AMR-WB decoder
3579b405 69- replace the ocv_smooth filter with a more generic ocv filter
82ca054a 70- Windows Televison (WTV) demuxer
fd5b124d 71- FFmpeg metadata format muxer and demuxer
2c77c906 72- SubRip (srt) subtitle decoder
6fd96d1a 73- floating-point AC-3 encoder added
d267b339 74- Lagarith decoder
fbd56159 75- ffmpeg -copytb option added
54bc6403 76- IVF muxer added
44ddfd47 77- Wing Commander IV movies decoder added
9409c381 78- movie source added
ccfcddb3 79- Bink version 'b' audio and video decoder
402f9ad5 80- Bitmap Brothers JV playback system
dc6fdad5 81- Apple HTTP Live Streaming protocol handler
15d59d2c 82- sndio support for playback and record
c6f95144 83- Linux framebuffer input device added
42315dab 84- Chronomaster DFA decoder
ce02f9be 85- Mobotix MxPEG decoder
d89e738a 86- AAC encoding via libvo-aacenc
f502ff3f 87- AMR-WB encoding via libvo-amrwbenc
ad4c5034 88- xWMA demuxer
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89
90
91version 0.6:
92
2db272e9 93- PB-frame decoding for H.263
b11163c8 94- deprecated vhook subsystem removed
3444c914 95- deprecated old scaler removed
616e899c 96- VQF demuxer
b3b5946c 97- Alpha channel scaler
effcedf7 98- PCX encoder
9edfaf3c 99- RTP packetization of H.263
08e696c0 100- RTP packetization of AMR
e6327fba 101- RTP depacketization of Vorbis
e9356be5 102- CorePNG decoding support
9189d7eb 103- Cook multichannel decoding support
276f8e2b 104- introduced avlanguage helpers in libavformat
f0b19bd3 105- 8088flex TMV demuxer and decoder
5f1ac36d 106- per-stream language-tags extraction in asfdec
ca0bb1c4 107- V210 decoder and encoder
de08ebe3 108- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 109- QCP demuxer
cbfe5bee 110- SoX native format muxer and demuxer
0b175caa 111- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 112- DPX image decoder
c63ea92b 113- Electronic Arts Madcow decoder
a4276ba2 114- DivX (XSUB) subtitle encoder
0a4a0aa7 115- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 116- experimental AAC encoder
c2f3eec4 117- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 118- RTMP support in libavformat
3106f489 119- noX handling for OPT_BOOL X options
740e89cf 120- Wave64 demuxer
ab1eff9c 121- IEC-61937 compatible Muxer
7bd47335 122- TwinVQ decoder
c58b82a2 123- Bluray (PGS) subtitle decoder
5dd3707b 124- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 125- WMA Pro decoder
5f14b565 126- Core Audio Format demuxer
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127- Atrac1 decoder
128- MD STUDIO audio demuxer
811e0fc2 129- RF64 support in WAV demuxer
99971952 130- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 131- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 132- IV8 demuxer
a3d995c1 133- CDG demuxer and decoder
4aaab0a3 134- R210 decoder
ce293510 135- Auravision Aura 1 and 2 decoders
e6565055 136- Deluxe Paint Animation playback system
d140b025 137- SIPR decoder
83ab7f18 138- Adobe Filmstrip muxer and demuxer
45aa9080 139- RTP depacketization of H.263
342c7dfd 140- Bink demuxer and audio/video decoders
4ebaec79 141- enable symbol versioning by default for linkers that support it
b9e06ddd 142- IFF PBM/ILBM bitmap decoder
084eb95f 143- concat protocol
5bebe94d 144- Indeo 5 decoder
556aa7a1 145- RTP depacketization of AMR
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146- WMA Voice decoder
147- ffprobe tool
4fe3edaa 148- AMR-NB decoder
6f5a3d0a 149- RTSP muxer
ed492b61 150- HE-AAC v1 decoder
bf354122 151- Kega Game Video (KGV1) decoder
59b4b540 152- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 153- RTP depacketization of Theora
b26708d5 154- HTTP Digest authentication
0f943ce6 155- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 156- Psygnosis YOP demuxer and video decoder
ca6e7708 157- spectral extension support in the E-AC-3 decoder
ac1c9564 158- unsharp video filter
910cde56 159- RTP hinting in the mov/3gp/mp4 muxer
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160- Dirac in Ogg demuxing
161- seek to keyframes in Ogg
162- 4:2:2 and 4:4:4 Theora decoding
163- 35% faster VP3/Theora decoding
164- faster AAC decoding
165- faster H.264 decoding
d31ba231 166- RealAudio 1.0 (14.4K) encoder
de08ebe3 167
2db272e9 168
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169version 0.5:
170
06ab9cff 171- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 172- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 173- IBM Ultimotion (ULTI) video decoder
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174- Sierra Online audio file demuxer and decoder
175- Apple QuickDraw (qdrw) video decoder
22052247 176- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 177- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 178- Miro VideoXL (VIXL) video decoder
b06b45c4 179- H.261 video encoder
acfd8f0f 180- QPEG video decoder
353147ed 181- Nullsoft Video (NSV) file demuxer
13dfd2b9 182- Shorten audio decoder
9c7fb608 183- LOCO video decoder
115329f1 184- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 185- Winnov WNV1 video decoder
589f8220 186- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 187- Indeo 2 video decoder
b81f8949 188- Fraps FPS1 video decoder
e0db8cfb 189- Snow video encoder/decoder
af4ca324 190- Sonic audio encoder/decoder
108ab268 191- Vorbis audio decoder
af4ca324 192- Macromedia ADPCM decoder
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193- Duck TrueMotion 2 video decoder
194- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 195- H.264 custom quantization matrices support
a8289180 196- ffserver fixed, it should now be usable again
8d1018bf 197- QDM2 audio decoder
8a2d410e 198- Real Cooker audio decoder
bf3027c8 199- TrueSpeech audio decoder
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200- WMA2 audio decoder fixed, now all files should play correctly
201- RealAudio 14.4 and 28.8 decoders fixed
108ab268 202- JPEG-LS decoder
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203- build system improvements
204- tabs and trailing whitespace removed from the codebase
108ab268 205- CamStudio video decoder
f11288da 206- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 207- ADTS AAC file reading and writing
ea395e8c 208- Creative VOC file reading and writing
4e114829 209- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 210- Zip Motion Blocks Video decoder
58cf42fa 211- improved Theora/VP3 decoder
8a2d410e 212- True Audio (TTA) decoder
26376701 213- AVS demuxer and video decoder
108ab268 214- JPEG-LS encoder
348efc18 215- Smacker demuxer and decoder
dfca23e3 216- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 217- KMVC decoder
58cf42fa 218- MPEG-2 intra VLC support
2d974017 219- MPEG-2 4:2:2 encoder
0919e788 220- Flash Screen Video decoder
cc0bc648 221- GXF demuxer
6a09487e 222- Chinese AVS decoder
43dcf590 223- GXF muxer
07bf2af8 224- MXF demuxer
b394e39a 225- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 226- MacIntel support
8ac17293 227- AVISynth support
eb57c889 228- VMware video decoder
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229- VP5 video decoder
230- VP6 video decoder
730581f3 231- WavPack lossless audio decoder
3689cf16 232- Targa (.TGA) picture decoder
108ab268 233- Vorbis audio encoder
dc56e0de 234- Delphine Software .cin demuxer/audio and video decoder
29f86228 235- Tiertex .seq demuxer/video decoder
f7bc5837 236- MTV demuxer
716222db 237- TIFF picture encoder and decoder
06d392a7 238- GIF picture decoder
58cf42fa 239- Intel Music Coder decoder
6a7d2c3d 240- Zip Motion Blocks Video encoder
185c7b6b 241- Musepack decoder
8adc51f2 242- Flash Screen Video encoder
150d2772 243- Theora encoding via libtheora
52548eee 244- BMP encoder
039cd4a7 245- WMA encoder
346a655d 246- GSM-MS encoder and decoder
01ca9ac3 247- DCA decoder
33a0dd37 248- DXA demuxer and decoder
52b6bad2 249- DNxHD decoder
efb0c399 250- Gamecube movie (.THP) playback system
a5fbe001 251- Blackfin optimizations
9a0ddd09 252- Interplay C93 demuxer and video decoder
1e6c6759 253- Bethsoft VID demuxer and video decoder
8e952e4d 254- CRYO APC demuxer
10e26bc7 255- Atrac3 decoder
b46d68c6 256- V.Flash PTX decoder
58cf42fa 257- RoQ muxer, RoQ audio encoder
ad39f1a7 258- Renderware TXD demuxer and decoder
4d5588cf 259- extern C declarations for C++ removed from headers
82e60541 260- sws_flags command line option
ddcf4b5d 261- codebook generator
03e3e765 262- RoQ video encoder
d3b7406c 263- QTRLE encoder
d22e8442 264- OS/2 support removed and restored again
6ea67bbb 265- AC-3 decoder
58cf42fa 266- NUT muxer
108ab268 267- additional SPARC (VIS) optimizations
e09f7d61 268- Matroska muxer
58cf42fa 269- slice-based parallel H.264 decoding
bf4a1f17 270- Monkey's Audio demuxer and decoder
8787d837 271- AMV audio and video decoder
fc4cbc16 272- DNxHD encoder
d6c52130 273- H.264 PAFF decoding
636b13c5 274- Nellymoser ASAO decoder
66f7679c 275- Beam Software SIFF demuxer and decoder
f9def9cc 276- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 277- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 278- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 279- The "device" muxers and demuxers are now in a new libavdevice library
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280- PC Paintbrush PCX decoder
281- Sun Rasterfile decoder
920d3609 282- TechnoTrend PVA demuxer
77c1d04d 283- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 284- AVM2 (Flash 9) SWF muxer
9dc92a38 285- QT variant of IMA ADPCM encoder
39fc859e 286- VFW grabber
58cf42fa 287- iPod/iPhone compatible mp4 muxer
a7129de5 288- Mimic decoder
0f3444e1 289- MSN TCP Webcam stream demuxer
86b3cf7c 290- RL2 demuxer / decoder
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291- IFF demuxer
292- 8SVX audio decoder
b00b15be 293- non-recursive Makefiles
b64c096b 294- BFI demuxer
74118c07 295- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 296- BFI video decoder
ea662534 297- OMA demuxer
b517af05 298- MLP/TrueHD decoder
e1c74782 299- Electronic Arts CMV decoder
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300- Motion Pixels Video decoder
301- Motion Pixels MVI demuxer
e44bbf62 302- removed animated GIF decoder/demuxer
51c3861e 303- D-Cinema audio muxer
cfc78718 304- Electronic Arts TGV decoder
833e90dd 305- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 306- AAC decoder
eb6fc557 307- floating point PCM encoder/decoder
cedebde1 308- MXF muxer
108ab268 309- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 310- E-AC-3 support added to AC-3 decoder
755ba886 311- Nellymoser ASAO encoder
0c86f89a 312- ASS and SSA demuxer and muxer
d8d12c15 313- liba52 wrapper removed
0ac1dc6f 314- SVQ3 watermark decoding support
f6958006 315- Speex decoding via libspeex
42b30357 316- Electronic Arts TGQ decoder
108ab268 317- RV40 decoder
73b458e3 318- QCELP / PureVoice decoder
108ab268 319- RV30 decoder
7906f3ca 320- hybrid WavPack support
7eb68edb 321- R3D REDCODE demuxer
115d095e 322- ALSA support for playback and record
d8964f3a 323- Electronic Arts TQI decoder
9a77d59a 324- OpenJPEG based JPEG 2000 decoder
58cf42fa 325- NC (NC4600) camera file demuxer
865780ae 326- Gopher client support
bd3f81f3 327- MXF D-10 muxer
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328- generic metadata API
329
9d53d58e 330
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331version 0.4.9-pre1:
332
4fa1c4fa 333- DV encoder, DV muxer
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334- Microsoft RLE video decoder
335- Microsoft Video-1 decoder
070ed1bc 336- Apple Animation (RLE) decoder
42cad81a 337- Apple Graphics (SMC) decoder
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338- Apple Video (RPZA) decoder
339- Cinepak decoder
340- Sega FILM (CPK) file demuxer
42cad81a 341- Westwood multimedia support (VQA & AUD files)
4120a53a 342- Id Quake II CIN playback support
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343- 8BPS video decoder
344- FLIC playback support
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345- RealVideo 2.0 (RV20) decoder
346- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 347- Sierra VMD demuxer and video decoder
1defd2a8 348- MSZH and ZLIB decoder support
3b64893d 349- SVQ1 video encoder
1defd2a8 350- AMR-WB support
e0db8cfb 351- PPC optimizations
1defd2a8 352- rate distortion optimal cbp support
e0db8cfb 353- rate distorted optimal ac prediction for MPEG-4
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354- rate distorted optimal lambda->qp support
355- AAC encoding with libfaac
356- Sunplus JPEG codec (SP5X) support
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357- use Lagrange multipler instead of QP for ratecontrol
358- Theora/VP3 decoding support
1defd2a8 359- XA and ADX ADPCM codecs
e0db8cfb 360- export MPEG-2 active display area / pan scan
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361- Add support for configuring with IBM XLC
362- floating point AAN DCT
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363- initial support for zygo video (not complete)
364- RGB ffv1 support
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365- new audio/video parser API
366- av_log() system
367- av_read_frame() and av_seek_frame() support
368- missing last frame fixes
369- seek by mouse in ffplay
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370- noise reduction of DCT coefficients
371- H.263 OBMC & 4MV support
372- H.263 alternative inter vlc support
373- H.263 loop filter
374- H.263 slice structured mode
375- interlaced DCT support for MPEG-2 encoding
1defd2a8 376- stuffing to stay above min_bitrate
e0db8cfb 377- MB type & QP visualization
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378- frame stepping for ffplay
379- interlaced motion estimation
380- alternate scantable support
381- SVCD scan offset support
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382- closed GOP support
383- SSE2 FDCT
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384- quantizer noise shaping
385- G.726 ADPCM audio codec
386- MS ADPCM encoding
387- multithreaded/SMP motion estimation
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388- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
389- multithreaded/SMP decoding for MPEG-2
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390- FLAC decoder
391- Metrowerks CodeWarrior suppport
e0db8cfb 392- H.263+ custom pcf support
1defd2a8 393- nicer output for 'ffmpeg -formats'
e0db8cfb 394- Matroska demuxer
1defd2a8 395- SGI image format, encoding and decoding
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396- H.264 loop filter support
397- H.264 CABAC support
f073a393 398- nicer looking arrows for the motion vector visualization
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399- improved VCD support
400- audio timestamp drift compensation
e0db8cfb 401- MPEG-2 YUV 422/444 support
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402- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
403- better image scaling
e0db8cfb 404- H.261 support
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405- correctly interleave packets during encoding
406- VIS optimized motion compensation
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407- intra_dc_precision>0 encoding support
408- support reuse of motion vectors/MB types/field select values of the source video
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409- more accurate deblock filter
410- padding support
411- many optimizations and bugfixes
055dc116 412- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 413
0ca3e336 414
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415version 0.4.8:
416
e0db8cfb 417- MPEG-2 video encoding (Michael)
d9d8910b 418- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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419- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
420 and Mario Brito)
421- Xan DPCM audio decoder (Mario Brito)
186447f8 422- Interplay MVE playback subsystem (Mike Melanson)
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423- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
424
0ca3e336 425
b17e9c99 426version 0.4.7:
e07702ba 427
e0db8cfb 428- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 429 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 430- current version now also compiles with older GCC (Fabrice)
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431- 4X multimedia playback system including 4xm file demuxer (Mike
432 Melanson), and 4X video and audio codecs (Michael)
433- Creative YUV (CYUV) decoder (Mike Melanson)
434- FFV1 codec (our very simple lossless intra only codec, compresses much better
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DB
435 than HuffYUV) (Michael)
436- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
437- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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438 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
439- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 440 for multiplatform support (Fabrice)
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441- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
442 by anonymous
443- AMR format has been added (Johannes Carlsson)
e0db8cfb 444- 3GP support has been added (Johannes Carlsson)
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445- VP3 codec has been added (Mike Melanson)
446- more MPEG-1/2 fixes
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447- better multiplatform support, MS Visual Studio fixes (various)
448- AltiVec optimizations (Magnus Damn and others)
e07702ba 449- SH4 processor support has been added (BERO)
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450- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
451- VOB streaming support (Brian Foley)
452- better MP3 autodetection (Andriy Rysin)
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453- qpel encoding (Michael)
454- 4mv+b frames encoding finally fixed (Michael)
455- chroma ME (Michael)
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456- 5 comparison functions for ME (Michael)
457- B-frame encoding speedup (Michael)
458- WMV2 codec (unfinished - Michael)
d3d10087 459- user specified diamond size for EPZS (Michael)
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460- Playstation STR playback subsystem, still experimental (Mike and Michael)
461- ASV2 codec (Michael)
462- CLJR decoder (Alex)
d3d10087 463
e0db8cfb 464.. And lots more new enhancements and fixes.
e07702ba 465
0ca3e336 466
d3d10087 467version 0.4.6:
739d6efa 468
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469- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
470 from scratch
471- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
472- fix quantization bug in AC3 encoder
473- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
474- added prototype ffplay program
475- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
476- bug fix on MCBPC tables of H.263 (Juanjo)
477- bug fix on DC coefficients of H.263 (Juanjo)
478- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
479- now we can decode H.263 streams found in QuickTime files (Juanjo)
480- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 481- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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482- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
483- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 484- added first regression tests
e0db8cfb 485- added MPEG-2 TS demuxer
a31e01c5 486- new demux API for libav
6d291820 487- more accurate and faster IDCT (Michael)
e0db8cfb 488- faster and entropy-controlled motion search (Michael)
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489- two pass video encoding (Michael)
490- new video rate control (Michael)
491- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
492- great performance improvement of video encoders and decoders (Michael)
493- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 494- high quality encoding mode: tries all macroblock/VLC types (Michael)
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495- added DV video decoder
496- preliminary RTP/RTSP support in ffserver and libavformat
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497- H.263+ AIC decoding/encoding support (Juanjo)
498- VCD MPEG-PS mode (Juanjo)
499- PSNR stuff (Juanjo)
500- simple stats output (Juanjo)
501- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 502
0ca3e336 503
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504version 0.4.5:
505
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506- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
507- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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508- added configure system (actually a small shell script)
509- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 510 Michael Hipp (temporary solution - waiting for integer only
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511 decoder)
512- fixed VIDIOCSYNC interrupt
513- added Intel H.263 decoding support ('I263' AVI fourCC)
514- added Real Video 1.0 decoding (needs further testing)
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515- simplified image formats again. Added PGM format (=grey
516 pgm). Renamed old PGM to PGMYUV.
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517- fixed msmpeg4 slice issues (tell me if you still find problems)
518- fixed OpenDivX bugs with newer versions (added VOL header decoding)
519- added support for MPlayer interface
520- added macroblock skip optimization
521- added MJPEG decoder
522- added mmx/mmxext IDCT from libmpeg2
0c1e384c 523- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 524 <celer at shell.scrypt.net>)
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525- added pixel format conversion layer (e.g. for MJPEG or PPM)
526- added deinterlacing option
527- MPEG-1/2 fixes
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528- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
529- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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530- Windows porting of file converter
531- added MJPEG raw format (input/ouput)
532- added JPEG image format support (input/output)
de6d9b64 533
0ca3e336 534
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535version 0.4.4:
536
537- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 538 <bjorn.e.lindgren at telia.com>).
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539- added MPEG demuxer (MPEG-1 and 2 compatible).
540- added ASF demuxer
541- added prototype RM demuxer
542- added AC3 decoding (done with libac3 by Aaron Holtzman)
543- added decoding codec parameter guessing (.e.g. for MPEG, because the
544 header does not include them)
545- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
546 play them (only tested video)
547- fixed H.263 white bug
548- fixed phase rounding in img resample filter
549- add MMX code for polyphase img resample filter
550- added CPU autodetection
551- added generic title/author/copyright/comment string handling (ASF and RM
552 use them)
de6d9b64 553- added SWF demux to extract MP3 track (not usable yet because no MP3
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554 decoder)
555- added fractional frame rate support
de6d9b64 556- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 557 segfault)
de6d9b64 558
0ca3e336 559
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560version 0.4.3:
561
dd5cf2ad 562- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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563- fixed raw yuv output
564- added motion rounding support in MPEG-4
565- fixed motion bug rounding in MSMPEG4
566- added B-frame handling in video core
567- added full MPEG-1 decoding support
568- added partial (frame only) MPEG-2 support
de6d9b64 569- changed the FOURCC code for H.263 to "U263" to be able to see the
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570 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
571 this +codec ;) (JuanJo).
572- Halfpel motion estimation after MB type selection (JuanJo)
573- added pgm and .Y.U.V output format
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574- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
575 output.
576- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 577 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 578 instead of a protocol)
de6d9b64 579
0ca3e336 580
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581version 0.4.2:
582
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583- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
584 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 585 missing. MSMPEG4 support is complete.
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586- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
587 can decode ffmpeg MPEGs :-)).
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588- added libavcodec API documentation (see apiexample.c).
589- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 590 greenish)
de6d9b64 591- added support for non clipped motion vectors (decoding only)
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592 and image sizes non-multiple of 16
593- added support for AC prediction (decoding only)
594- added file overwrite confirmation (can be disabled with -y)
595- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 596
0ca3e336 597
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598version 0.4.1:
599
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600- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
601 of AVI and ASF to DIV3.
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602- added -me option to set motion estimation method
603 (default=log). suppressed redundant -hq option.
604- added options -acodec and -vcodec to force a given codec (useful for
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605 AVI for example)
606- fixed -an option
607- improved dct_quantize speed
608- factorized some motion estimation code
de6d9b64 609
0ca3e336 610
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611version 0.4.0:
612
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613- removing grab code from ffserver and moved it to ffmpeg. Added
614 multistream support to ffmpeg.
de6d9b64 615- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 616 URL)
de6d9b64 617- added high quality image resize code with polyphase filter (need
56cc85a0 618 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 619- added multi live feed support in ffserver
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620- suppressed master feature from ffserver (it should be done with an
621 external program which opens the .ffm url and writes it to another
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622 ffserver)
623- added preliminary support for video stream parsing (WAV and AVI half
624 done). Added proper support for audio/video file conversion in
de6d9b64 625 ffmpeg.
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626- added preliminary support for video file sending from ffserver
627- redesigning I/O subsystem: now using URL based input and output
628 (see avio.h)
629- added WAV format support
630- added "tty user interface" to ffmpeg to stop grabbing gracefully
631- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 632 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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633- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
634- added new motion estimation algorithms, log and phods (Juanjo)
635- changed directories: libav for format handling, libavcodec for
636 codecs
de6d9b64 637
0ca3e336 638
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639version 0.3.4:
640
e0db8cfb 641- added stereo in MPEG audio encoder
de6d9b64 642
0ca3e336 643
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644version 0.3.3:
645
646- added 'high quality' mode which use motion vectors. It can be used in
647 real time at low resolution.
648- fixed rounding problems which caused quality problems at high
e0db8cfb 649 bitrates and large GOP size
de6d9b64 650
0ca3e336 651
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652version 0.3.2: small fixes
653
e0db8cfb 654- ASF fixes
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655- put_seek bug fix
656
0ca3e336 657
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658version 0.3.1: added avi/divx support
659
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660- added AVI support
661- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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662- added sound for flash format (not tested)
663
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de6d9b64 665version 0.3: initial public release