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