oups, 100l, revert unrelated hunk from commit r23266
[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
7- PB-frame decoding for H.263
b11163c8 8- deprecated vhook subsystem removed
3444c914 9- deprecated old scaler removed
616e899c 10- VQF demuxer
b3b5946c 11- Alpha channel scaler
effcedf7 12- PCX encoder
9edfaf3c 13- RTP packetization of H.263
08e696c0 14- RTP packetization of AMR
e6327fba 15- RTP depacketization of Vorbis
e9356be5 16- CorePNG decoding support
9189d7eb 17- Cook multichannel decoding support
276f8e2b 18- introduced avlanguage helpers in libavformat
f0b19bd3 19- 8088flex TMV demuxer and decoder
5f1ac36d 20- per-stream language-tags extraction in asfdec
ca0bb1c4 21- V210 decoder and encoder
de08ebe3 22- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 23- QCP demuxer
cbfe5bee 24- SoX native format muxer and demuxer
0b175caa 25- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 26- DPX image decoder
c63ea92b 27- Electronic Arts Madcow decoder
a4276ba2 28- DivX (XSUB) subtitle encoder
0a4a0aa7 29- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 30- experimental AAC encoder
c2f3eec4 31- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 32- RTMP support in libavformat
3106f489 33- noX handling for OPT_BOOL X options
740e89cf 34- Wave64 demuxer
ab1eff9c 35- IEC-61937 compatible Muxer
7bd47335 36- TwinVQ decoder
c58b82a2 37- Bluray (PGS) subtitle decoder
5dd3707b 38- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 39- WMA Pro decoder
5f14b565 40- Core Audio Format demuxer
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41- Atrac1 decoder
42- MD STUDIO audio demuxer
811e0fc2 43- RF64 support in WAV demuxer
99971952 44- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 45- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 46- IV8 demuxer
a3d995c1 47- CDG demuxer and decoder
4aaab0a3 48- R210 decoder
ce293510 49- Auravision Aura 1 and 2 decoders
e6565055 50- Deluxe Paint Animation playback system
d140b025 51- SIPR decoder
83ab7f18 52- Adobe Filmstrip muxer and demuxer
45aa9080 53- RTP depacketization of H.263
342c7dfd 54- Bink demuxer and audio/video decoders
4ebaec79 55- enable symbol versioning by default for linkers that support it
b9e06ddd 56- IFF PBM/ILBM bitmap decoder
084eb95f 57- concat protocol
5bebe94d 58- Indeo 5 decoder
556aa7a1 59- RTP depacketization of AMR
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60- WMA Voice decoder
61- ffprobe tool
4fe3edaa 62- AMR-NB decoder
6f5a3d0a 63- RTSP muxer
ed492b61 64- HE-AAC v1 decoder
bf354122 65- Kega Game Video (KGV1) decoder
59b4b540 66- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 67- RTP depacketization of Theora
b26708d5 68- HTTP Digest authentication
0f943ce6 69- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 70- Psygnosis YOP demuxer and video decoder
ca6e7708 71- spectral extension support in the E-AC-3 decoder
ac1c9564 72- unsharp video filter
910cde56 73- RTP hinting in the mov/3gp/mp4 muxer
470491fa 74- WebM support in Matroska demuxer
de08ebe3 75
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76
77
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78version 0.5:
79
06ab9cff 80- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 81- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 82- IBM Ultimotion (ULTI) video decoder
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83- Sierra Online audio file demuxer and decoder
84- Apple QuickDraw (qdrw) video decoder
22052247 85- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 86- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 87- Miro VideoXL (VIXL) video decoder
b06b45c4 88- H.261 video encoder
acfd8f0f 89- QPEG video decoder
353147ed 90- Nullsoft Video (NSV) file demuxer
13dfd2b9 91- Shorten audio decoder
9c7fb608 92- LOCO video decoder
115329f1 93- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 94- Winnov WNV1 video decoder
589f8220 95- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 96- Indeo 2 video decoder
b81f8949 97- Fraps FPS1 video decoder
e0db8cfb 98- Snow video encoder/decoder
af4ca324 99- Sonic audio encoder/decoder
108ab268 100- Vorbis audio decoder
af4ca324 101- Macromedia ADPCM decoder
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102- Duck TrueMotion 2 video decoder
103- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 104- H.264 custom quantization matrices support
a8289180 105- ffserver fixed, it should now be usable again
8d1018bf 106- QDM2 audio decoder
8a2d410e 107- Real Cooker audio decoder
bf3027c8 108- TrueSpeech audio decoder
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109- WMA2 audio decoder fixed, now all files should play correctly
110- RealAudio 14.4 and 28.8 decoders fixed
108ab268 111- JPEG-LS decoder
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112- build system improvements
113- tabs and trailing whitespace removed from the codebase
108ab268 114- CamStudio video decoder
f11288da 115- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 116- ADTS AAC file reading and writing
ea395e8c 117- Creative VOC file reading and writing
4e114829 118- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 119- Zip Motion Blocks Video decoder
58cf42fa 120- improved Theora/VP3 decoder
8a2d410e 121- True Audio (TTA) decoder
26376701 122- AVS demuxer and video decoder
108ab268 123- JPEG-LS encoder
348efc18 124- Smacker demuxer and decoder
dfca23e3 125- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 126- KMVC decoder
58cf42fa 127- MPEG-2 intra VLC support
2d974017 128- MPEG-2 4:2:2 encoder
0919e788 129- Flash Screen Video decoder
cc0bc648 130- GXF demuxer
6a09487e 131- Chinese AVS decoder
43dcf590 132- GXF muxer
07bf2af8 133- MXF demuxer
b394e39a 134- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 135- MacIntel support
8ac17293 136- AVISynth support
eb57c889 137- VMware video decoder
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138- VP5 video decoder
139- VP6 video decoder
730581f3 140- WavPack lossless audio decoder
3689cf16 141- Targa (.TGA) picture decoder
108ab268 142- Vorbis audio encoder
dc56e0de 143- Delphine Software .cin demuxer/audio and video decoder
29f86228 144- Tiertex .seq demuxer/video decoder
f7bc5837 145- MTV demuxer
716222db 146- TIFF picture encoder and decoder
06d392a7 147- GIF picture decoder
58cf42fa 148- Intel Music Coder decoder
6a7d2c3d 149- Zip Motion Blocks Video encoder
185c7b6b 150- Musepack decoder
8adc51f2 151- Flash Screen Video encoder
150d2772 152- Theora encoding via libtheora
52548eee 153- BMP encoder
039cd4a7 154- WMA encoder
346a655d 155- GSM-MS encoder and decoder
01ca9ac3 156- DCA decoder
33a0dd37 157- DXA demuxer and decoder
52b6bad2 158- DNxHD decoder
efb0c399 159- Gamecube movie (.THP) playback system
a5fbe001 160- Blackfin optimizations
9a0ddd09 161- Interplay C93 demuxer and video decoder
1e6c6759 162- Bethsoft VID demuxer and video decoder
8e952e4d 163- CRYO APC demuxer
10e26bc7 164- Atrac3 decoder
b46d68c6 165- V.Flash PTX decoder
58cf42fa 166- RoQ muxer, RoQ audio encoder
ad39f1a7 167- Renderware TXD demuxer and decoder
4d5588cf 168- extern C declarations for C++ removed from headers
82e60541 169- sws_flags command line option
ddcf4b5d 170- codebook generator
03e3e765 171- RoQ video encoder
d3b7406c 172- QTRLE encoder
d22e8442 173- OS/2 support removed and restored again
6ea67bbb 174- AC-3 decoder
58cf42fa 175- NUT muxer
108ab268 176- additional SPARC (VIS) optimizations
e09f7d61 177- Matroska muxer
58cf42fa 178- slice-based parallel H.264 decoding
bf4a1f17 179- Monkey's Audio demuxer and decoder
8787d837 180- AMV audio and video decoder
fc4cbc16 181- DNxHD encoder
d6c52130 182- H.264 PAFF decoding
636b13c5 183- Nellymoser ASAO decoder
66f7679c 184- Beam Software SIFF demuxer and decoder
f9def9cc 185- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 186- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 187- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 188- The "device" muxers and demuxers are now in a new libavdevice library
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189- PC Paintbrush PCX decoder
190- Sun Rasterfile decoder
920d3609 191- TechnoTrend PVA demuxer
77c1d04d 192- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 193- AVM2 (Flash 9) SWF muxer
9dc92a38 194- QT variant of IMA ADPCM encoder
39fc859e 195- VFW grabber
58cf42fa 196- iPod/iPhone compatible mp4 muxer
a7129de5 197- Mimic decoder
0f3444e1 198- MSN TCP Webcam stream demuxer
86b3cf7c 199- RL2 demuxer / decoder
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200- IFF demuxer
201- 8SVX audio decoder
b00b15be 202- non-recursive Makefiles
b64c096b 203- BFI demuxer
74118c07 204- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 205- BFI video decoder
ea662534 206- OMA demuxer
b517af05 207- MLP/TrueHD decoder
e1c74782 208- Electronic Arts CMV decoder
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209- Motion Pixels Video decoder
210- Motion Pixels MVI demuxer
e44bbf62 211- removed animated GIF decoder/demuxer
51c3861e 212- D-Cinema audio muxer
cfc78718 213- Electronic Arts TGV decoder
833e90dd 214- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 215- AAC decoder
eb6fc557 216- floating point PCM encoder/decoder
cedebde1 217- MXF muxer
108ab268 218- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 219- E-AC-3 support added to AC-3 decoder
755ba886 220- Nellymoser ASAO encoder
0c86f89a 221- ASS and SSA demuxer and muxer
d8d12c15 222- liba52 wrapper removed
0ac1dc6f 223- SVQ3 watermark decoding support
f6958006 224- Speex decoding via libspeex
42b30357 225- Electronic Arts TGQ decoder
108ab268 226- RV40 decoder
73b458e3 227- QCELP / PureVoice decoder
108ab268 228- RV30 decoder
7906f3ca 229- hybrid WavPack support
7eb68edb 230- R3D REDCODE demuxer
115d095e 231- ALSA support for playback and record
d8964f3a 232- Electronic Arts TQI decoder
9a77d59a 233- OpenJPEG based JPEG 2000 decoder
58cf42fa 234- NC (NC4600) camera file demuxer
865780ae 235- Gopher client support
bd3f81f3 236- MXF D-10 muxer
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237- generic metadata API
238
9d53d58e 239
0ca3e336 240
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241version 0.4.9-pre1:
242
4fa1c4fa 243- DV encoder, DV muxer
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244- Microsoft RLE video decoder
245- Microsoft Video-1 decoder
070ed1bc 246- Apple Animation (RLE) decoder
42cad81a 247- Apple Graphics (SMC) decoder
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248- Apple Video (RPZA) decoder
249- Cinepak decoder
250- Sega FILM (CPK) file demuxer
42cad81a 251- Westwood multimedia support (VQA & AUD files)
4120a53a 252- Id Quake II CIN playback support
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253- 8BPS video decoder
254- FLIC playback support
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255- RealVideo 2.0 (RV20) decoder
256- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 257- Sierra VMD demuxer and video decoder
1defd2a8 258- MSZH and ZLIB decoder support
3b64893d 259- SVQ1 video encoder
1defd2a8 260- AMR-WB support
e0db8cfb 261- PPC optimizations
1defd2a8 262- rate distortion optimal cbp support
e0db8cfb 263- rate distorted optimal ac prediction for MPEG-4
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264- rate distorted optimal lambda->qp support
265- AAC encoding with libfaac
266- Sunplus JPEG codec (SP5X) support
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267- use Lagrange multipler instead of QP for ratecontrol
268- Theora/VP3 decoding support
1defd2a8 269- XA and ADX ADPCM codecs
e0db8cfb 270- export MPEG-2 active display area / pan scan
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271- Add support for configuring with IBM XLC
272- floating point AAN DCT
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273- initial support for zygo video (not complete)
274- RGB ffv1 support
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275- new audio/video parser API
276- av_log() system
277- av_read_frame() and av_seek_frame() support
278- missing last frame fixes
279- seek by mouse in ffplay
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280- noise reduction of DCT coefficients
281- H.263 OBMC & 4MV support
282- H.263 alternative inter vlc support
283- H.263 loop filter
284- H.263 slice structured mode
285- interlaced DCT support for MPEG-2 encoding
1defd2a8 286- stuffing to stay above min_bitrate
e0db8cfb 287- MB type & QP visualization
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288- frame stepping for ffplay
289- interlaced motion estimation
290- alternate scantable support
291- SVCD scan offset support
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292- closed GOP support
293- SSE2 FDCT
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294- quantizer noise shaping
295- G.726 ADPCM audio codec
296- MS ADPCM encoding
297- multithreaded/SMP motion estimation
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298- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
299- multithreaded/SMP decoding for MPEG-2
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300- FLAC decoder
301- Metrowerks CodeWarrior suppport
e0db8cfb 302- H.263+ custom pcf support
1defd2a8 303- nicer output for 'ffmpeg -formats'
e0db8cfb 304- Matroska demuxer
1defd2a8 305- SGI image format, encoding and decoding
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306- H.264 loop filter support
307- H.264 CABAC support
f073a393 308- nicer looking arrows for the motion vector visualization
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309- improved VCD support
310- audio timestamp drift compensation
e0db8cfb 311- MPEG-2 YUV 422/444 support
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312- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
313- better image scaling
e0db8cfb 314- H.261 support
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315- correctly interleave packets during encoding
316- VIS optimized motion compensation
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317- intra_dc_precision>0 encoding support
318- support reuse of motion vectors/MB types/field select values of the source video
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319- more accurate deblock filter
320- padding support
321- many optimizations and bugfixes
055dc116 322- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 323
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324
325
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326version 0.4.8:
327
e0db8cfb 328- MPEG-2 video encoding (Michael)
d9d8910b 329- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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330- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
331 and Mario Brito)
332- Xan DPCM audio decoder (Mario Brito)
186447f8 333- Interplay MVE playback subsystem (Mike Melanson)
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334- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
335
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336
337
b17e9c99 338version 0.4.7:
e07702ba 339
e0db8cfb 340- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 341 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 342- current version now also compiles with older GCC (Fabrice)
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343- 4X multimedia playback system including 4xm file demuxer (Mike
344 Melanson), and 4X video and audio codecs (Michael)
345- Creative YUV (CYUV) decoder (Mike Melanson)
346- FFV1 codec (our very simple lossless intra only codec, compresses much better
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347 than HuffYUV) (Michael)
348- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
349- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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350 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
351- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 352 for multiplatform support (Fabrice)
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353- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
354 by anonymous
355- AMR format has been added (Johannes Carlsson)
e0db8cfb 356- 3GP support has been added (Johannes Carlsson)
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357- VP3 codec has been added (Mike Melanson)
358- more MPEG-1/2 fixes
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359- better multiplatform support, MS Visual Studio fixes (various)
360- AltiVec optimizations (Magnus Damn and others)
e07702ba 361- SH4 processor support has been added (BERO)
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362- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
363- VOB streaming support (Brian Foley)
364- better MP3 autodetection (Andriy Rysin)
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365- qpel encoding (Michael)
366- 4mv+b frames encoding finally fixed (Michael)
367- chroma ME (Michael)
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368- 5 comparison functions for ME (Michael)
369- B-frame encoding speedup (Michael)
370- WMV2 codec (unfinished - Michael)
d3d10087 371- user specified diamond size for EPZS (Michael)
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372- Playstation STR playback subsystem, still experimental (Mike and Michael)
373- ASV2 codec (Michael)
374- CLJR decoder (Alex)
d3d10087 375
e0db8cfb 376.. And lots more new enhancements and fixes.
e07702ba 377
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378
379
d3d10087 380version 0.4.6:
739d6efa 381
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382- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
383 from scratch
384- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
385- fix quantization bug in AC3 encoder
386- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
387- added prototype ffplay program
388- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
389- bug fix on MCBPC tables of H.263 (Juanjo)
390- bug fix on DC coefficients of H.263 (Juanjo)
391- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
392- now we can decode H.263 streams found in QuickTime files (Juanjo)
393- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 394- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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395- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
396- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 397- added first regression tests
e0db8cfb 398- added MPEG-2 TS demuxer
a31e01c5 399- new demux API for libav
6d291820 400- more accurate and faster IDCT (Michael)
e0db8cfb 401- faster and entropy-controlled motion search (Michael)
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402- two pass video encoding (Michael)
403- new video rate control (Michael)
404- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
405- great performance improvement of video encoders and decoders (Michael)
406- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 407- high quality encoding mode: tries all macroblock/VLC types (Michael)
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408- added DV video decoder
409- preliminary RTP/RTSP support in ffserver and libavformat
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410- H.263+ AIC decoding/encoding support (Juanjo)
411- VCD MPEG-PS mode (Juanjo)
412- PSNR stuff (Juanjo)
413- simple stats output (Juanjo)
414- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 415
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416
417
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418version 0.4.5:
419
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420- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
421- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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422- added configure system (actually a small shell script)
423- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 424 Michael Hipp (temporary solution - waiting for integer only
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425 decoder)
426- fixed VIDIOCSYNC interrupt
427- added Intel H.263 decoding support ('I263' AVI fourCC)
428- added Real Video 1.0 decoding (needs further testing)
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429- simplified image formats again. Added PGM format (=grey
430 pgm). Renamed old PGM to PGMYUV.
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431- fixed msmpeg4 slice issues (tell me if you still find problems)
432- fixed OpenDivX bugs with newer versions (added VOL header decoding)
433- added support for MPlayer interface
434- added macroblock skip optimization
435- added MJPEG decoder
436- added mmx/mmxext IDCT from libmpeg2
0c1e384c 437- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 438 <celer at shell.scrypt.net>)
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439- added pixel format conversion layer (e.g. for MJPEG or PPM)
440- added deinterlacing option
441- MPEG-1/2 fixes
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442- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
443- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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444- Windows porting of file converter
445- added MJPEG raw format (input/ouput)
446- added JPEG image format support (input/output)
de6d9b64 447
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448
449
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450version 0.4.4:
451
452- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 453 <bjorn.e.lindgren at telia.com>).
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454- added MPEG demuxer (MPEG-1 and 2 compatible).
455- added ASF demuxer
456- added prototype RM demuxer
457- added AC3 decoding (done with libac3 by Aaron Holtzman)
458- added decoding codec parameter guessing (.e.g. for MPEG, because the
459 header does not include them)
460- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
461 play them (only tested video)
462- fixed H.263 white bug
463- fixed phase rounding in img resample filter
464- add MMX code for polyphase img resample filter
465- added CPU autodetection
466- added generic title/author/copyright/comment string handling (ASF and RM
467 use them)
de6d9b64 468- added SWF demux to extract MP3 track (not usable yet because no MP3
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469 decoder)
470- added fractional frame rate support
de6d9b64 471- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 472 segfault)
de6d9b64 473
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474
475
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476version 0.4.3:
477
dd5cf2ad 478- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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479- fixed raw yuv output
480- added motion rounding support in MPEG-4
481- fixed motion bug rounding in MSMPEG4
482- added B-frame handling in video core
483- added full MPEG-1 decoding support
484- added partial (frame only) MPEG-2 support
de6d9b64 485- changed the FOURCC code for H.263 to "U263" to be able to see the
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486 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
487 this +codec ;) (JuanJo).
488- Halfpel motion estimation after MB type selection (JuanJo)
489- added pgm and .Y.U.V output format
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490- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
491 output.
492- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 493 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 494 instead of a protocol)
de6d9b64 495
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496
497
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498version 0.4.2:
499
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500- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
501 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 502 missing. MSMPEG4 support is complete.
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503- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
504 can decode ffmpeg MPEGs :-)).
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505- added libavcodec API documentation (see apiexample.c).
506- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 507 greenish)
de6d9b64 508- added support for non clipped motion vectors (decoding only)
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509 and image sizes non-multiple of 16
510- added support for AC prediction (decoding only)
511- added file overwrite confirmation (can be disabled with -y)
512- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 513
0ca3e336 514
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515version 0.4.1:
516
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517- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
518 of AVI and ASF to DIV3.
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519- added -me option to set motion estimation method
520 (default=log). suppressed redundant -hq option.
521- added options -acodec and -vcodec to force a given codec (useful for
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522 AVI for example)
523- fixed -an option
524- improved dct_quantize speed
525- factorized some motion estimation code
de6d9b64 526
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527
528
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529version 0.4.0:
530
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531- removing grab code from ffserver and moved it to ffmpeg. Added
532 multistream support to ffmpeg.
de6d9b64 533- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 534 URL)
de6d9b64 535- added high quality image resize code with polyphase filter (need
56cc85a0 536 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 537- added multi live feed support in ffserver
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538- suppressed master feature from ffserver (it should be done with an
539 external program which opens the .ffm url and writes it to another
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540 ffserver)
541- added preliminary support for video stream parsing (WAV and AVI half
542 done). Added proper support for audio/video file conversion in
de6d9b64 543 ffmpeg.
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544- added preliminary support for video file sending from ffserver
545- redesigning I/O subsystem: now using URL based input and output
546 (see avio.h)
547- added WAV format support
548- added "tty user interface" to ffmpeg to stop grabbing gracefully
549- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 550 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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551- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
552- added new motion estimation algorithms, log and phods (Juanjo)
553- changed directories: libav for format handling, libavcodec for
554 codecs
de6d9b64 555
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556
557
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558version 0.3.4:
559
e0db8cfb 560- added stereo in MPEG audio encoder
de6d9b64 561
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562
563
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564version 0.3.3:
565
566- added 'high quality' mode which use motion vectors. It can be used in
567 real time at low resolution.
568- fixed rounding problems which caused quality problems at high
e0db8cfb 569 bitrates and large GOP size
de6d9b64 570
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571
572
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573version 0.3.2: small fixes
574
e0db8cfb 575- ASF fixes
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576- put_seek bug fix
577
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578
579
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580version 0.3.1: added avi/divx support
581
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582- added AVI support
583- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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584- added sound for flash format (not tested)
585
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586
587
de6d9b64 588version 0.3: initial public release