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[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
78e65cd7 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)
c1061cc7 39- Wmapro 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
fa65584f 60- WMAVoice decoder
336ce917 61- FFprobe tool
4fe3edaa 62- AMR-NB decoder
6f5a3d0a 63- RTSP muxer
ed492b61 64- HE-AAC v1 decoder
de08ebe3 65
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66
67
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68version 0.5:
69
06ab9cff 70- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 71- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 72- IBM Ultimotion (ULTI) video decoder
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73- Sierra Online audio file demuxer and decoder
74- Apple QuickDraw (qdrw) video decoder
22052247 75- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 76- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 77- Miro VideoXL (VIXL) video decoder
b06b45c4 78- H.261 video encoder
acfd8f0f 79- QPEG video decoder
353147ed 80- Nullsoft Video (NSV) file demuxer
13dfd2b9 81- Shorten audio decoder
9c7fb608 82- LOCO video decoder
115329f1 83- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 84- Winnov WNV1 video decoder
589f8220 85- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 86- Indeo 2 video decoder
b81f8949 87- Fraps FPS1 video decoder
e0db8cfb 88- Snow video encoder/decoder
af4ca324 89- Sonic audio encoder/decoder
108ab268 90- Vorbis audio decoder
af4ca324 91- Macromedia ADPCM decoder
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92- Duck TrueMotion 2 video decoder
93- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 94- H.264 custom quantization matrices support
a8289180 95- ffserver fixed, it should now be usable again
8d1018bf 96- QDM2 audio decoder
8a2d410e 97- Real Cooker audio decoder
bf3027c8 98- TrueSpeech audio decoder
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99- WMA2 audio decoder fixed, now all files should play correctly
100- RealAudio 14.4 and 28.8 decoders fixed
108ab268 101- JPEG-LS decoder
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102- build system improvements
103- tabs and trailing whitespace removed from the codebase
108ab268 104- CamStudio video decoder
f11288da 105- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 106- ADTS AAC file reading and writing
ea395e8c 107- Creative VOC file reading and writing
4e114829 108- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 109- Zip Motion Blocks Video decoder
58cf42fa 110- improved Theora/VP3 decoder
8a2d410e 111- True Audio (TTA) decoder
26376701 112- AVS demuxer and video decoder
108ab268 113- JPEG-LS encoder
348efc18 114- Smacker demuxer and decoder
dfca23e3 115- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 116- KMVC decoder
58cf42fa 117- MPEG-2 intra VLC support
2d974017 118- MPEG-2 4:2:2 encoder
0919e788 119- Flash Screen Video decoder
cc0bc648 120- GXF demuxer
6a09487e 121- Chinese AVS decoder
43dcf590 122- GXF muxer
07bf2af8 123- MXF demuxer
b394e39a 124- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 125- MacIntel support
8ac17293 126- AVISynth support
eb57c889 127- VMware video decoder
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128- VP5 video decoder
129- VP6 video decoder
730581f3 130- WavPack lossless audio decoder
3689cf16 131- Targa (.TGA) picture decoder
108ab268 132- Vorbis audio encoder
dc56e0de 133- Delphine Software .cin demuxer/audio and video decoder
29f86228 134- Tiertex .seq demuxer/video decoder
f7bc5837 135- MTV demuxer
716222db 136- TIFF picture encoder and decoder
06d392a7 137- GIF picture decoder
58cf42fa 138- Intel Music Coder decoder
6a7d2c3d 139- Zip Motion Blocks Video encoder
185c7b6b 140- Musepack decoder
8adc51f2 141- Flash Screen Video encoder
150d2772 142- Theora encoding via libtheora
52548eee 143- BMP encoder
039cd4a7 144- WMA encoder
346a655d 145- GSM-MS encoder and decoder
01ca9ac3 146- DCA decoder
33a0dd37 147- DXA demuxer and decoder
52b6bad2 148- DNxHD decoder
efb0c399 149- Gamecube movie (.THP) playback system
a5fbe001 150- Blackfin optimizations
9a0ddd09 151- Interplay C93 demuxer and video decoder
1e6c6759 152- Bethsoft VID demuxer and video decoder
8e952e4d 153- CRYO APC demuxer
10e26bc7 154- Atrac3 decoder
b46d68c6 155- V.Flash PTX decoder
58cf42fa 156- RoQ muxer, RoQ audio encoder
ad39f1a7 157- Renderware TXD demuxer and decoder
4d5588cf 158- extern C declarations for C++ removed from headers
82e60541 159- sws_flags command line option
ddcf4b5d 160- codebook generator
03e3e765 161- RoQ video encoder
d3b7406c 162- QTRLE encoder
d22e8442 163- OS/2 support removed and restored again
6ea67bbb 164- AC-3 decoder
58cf42fa 165- NUT muxer
108ab268 166- additional SPARC (VIS) optimizations
e09f7d61 167- Matroska muxer
58cf42fa 168- slice-based parallel H.264 decoding
bf4a1f17 169- Monkey's Audio demuxer and decoder
8787d837 170- AMV audio and video decoder
fc4cbc16 171- DNxHD encoder
d6c52130 172- H.264 PAFF decoding
636b13c5 173- Nellymoser ASAO decoder
66f7679c 174- Beam Software SIFF demuxer and decoder
f9def9cc 175- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 176- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 177- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 178- The "device" muxers and demuxers are now in a new libavdevice library
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179- PC Paintbrush PCX decoder
180- Sun Rasterfile decoder
920d3609 181- TechnoTrend PVA demuxer
77c1d04d 182- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 183- AVM2 (Flash 9) SWF muxer
9dc92a38 184- QT variant of IMA ADPCM encoder
39fc859e 185- VFW grabber
58cf42fa 186- iPod/iPhone compatible mp4 muxer
a7129de5 187- Mimic decoder
0f3444e1 188- MSN TCP Webcam stream demuxer
86b3cf7c 189- RL2 demuxer / decoder
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190- IFF demuxer
191- 8SVX audio decoder
b00b15be 192- non-recursive Makefiles
b64c096b 193- BFI demuxer
74118c07 194- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 195- BFI video decoder
ea662534 196- OMA demuxer
b517af05 197- MLP/TrueHD decoder
e1c74782 198- Electronic Arts CMV decoder
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199- Motion Pixels Video decoder
200- Motion Pixels MVI demuxer
e44bbf62 201- removed animated GIF decoder/demuxer
51c3861e 202- D-Cinema audio muxer
cfc78718 203- Electronic Arts TGV decoder
833e90dd 204- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 205- AAC decoder
eb6fc557 206- floating point PCM encoder/decoder
cedebde1 207- MXF muxer
108ab268 208- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 209- E-AC-3 support added to AC-3 decoder
755ba886 210- Nellymoser ASAO encoder
0c86f89a 211- ASS and SSA demuxer and muxer
d8d12c15 212- liba52 wrapper removed
0ac1dc6f 213- SVQ3 watermark decoding support
f6958006 214- Speex decoding via libspeex
42b30357 215- Electronic Arts TGQ decoder
108ab268 216- RV40 decoder
73b458e3 217- QCELP / PureVoice decoder
108ab268 218- RV30 decoder
7906f3ca 219- hybrid WavPack support
7eb68edb 220- R3D REDCODE demuxer
115d095e 221- ALSA support for playback and record
d8964f3a 222- Electronic Arts TQI decoder
9a77d59a 223- OpenJPEG based JPEG 2000 decoder
58cf42fa 224- NC (NC4600) camera file demuxer
865780ae 225- Gopher client support
bd3f81f3 226- MXF D-10 muxer
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227- generic metadata API
228
9d53d58e 229
0ca3e336 230
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231version 0.4.9-pre1:
232
4fa1c4fa 233- DV encoder, DV muxer
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234- Microsoft RLE video decoder
235- Microsoft Video-1 decoder
070ed1bc 236- Apple Animation (RLE) decoder
42cad81a 237- Apple Graphics (SMC) decoder
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238- Apple Video (RPZA) decoder
239- Cinepak decoder
240- Sega FILM (CPK) file demuxer
42cad81a 241- Westwood multimedia support (VQA & AUD files)
4120a53a 242- Id Quake II CIN playback support
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243- 8BPS video decoder
244- FLIC playback support
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245- RealVideo 2.0 (RV20) decoder
246- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 247- Sierra VMD demuxer and video decoder
1defd2a8 248- MSZH and ZLIB decoder support
3b64893d 249- SVQ1 video encoder
1defd2a8 250- AMR-WB support
e0db8cfb 251- PPC optimizations
1defd2a8 252- rate distortion optimal cbp support
e0db8cfb 253- rate distorted optimal ac prediction for MPEG-4
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254- rate distorted optimal lambda->qp support
255- AAC encoding with libfaac
256- Sunplus JPEG codec (SP5X) support
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257- use Lagrange multipler instead of QP for ratecontrol
258- Theora/VP3 decoding support
1defd2a8 259- XA and ADX ADPCM codecs
e0db8cfb 260- export MPEG-2 active display area / pan scan
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261- Add support for configuring with IBM XLC
262- floating point AAN DCT
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263- initial support for zygo video (not complete)
264- RGB ffv1 support
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265- new audio/video parser API
266- av_log() system
267- av_read_frame() and av_seek_frame() support
268- missing last frame fixes
269- seek by mouse in ffplay
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270- noise reduction of DCT coefficients
271- H.263 OBMC & 4MV support
272- H.263 alternative inter vlc support
273- H.263 loop filter
274- H.263 slice structured mode
275- interlaced DCT support for MPEG-2 encoding
1defd2a8 276- stuffing to stay above min_bitrate
e0db8cfb 277- MB type & QP visualization
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278- frame stepping for ffplay
279- interlaced motion estimation
280- alternate scantable support
281- SVCD scan offset support
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282- closed GOP support
283- SSE2 FDCT
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284- quantizer noise shaping
285- G.726 ADPCM audio codec
286- MS ADPCM encoding
287- multithreaded/SMP motion estimation
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288- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
289- multithreaded/SMP decoding for MPEG-2
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290- FLAC decoder
291- Metrowerks CodeWarrior suppport
e0db8cfb 292- H.263+ custom pcf support
1defd2a8 293- nicer output for 'ffmpeg -formats'
e0db8cfb 294- Matroska demuxer
1defd2a8 295- SGI image format, encoding and decoding
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296- H.264 loop filter support
297- H.264 CABAC support
f073a393 298- nicer looking arrows for the motion vector visualization
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299- improved VCD support
300- audio timestamp drift compensation
e0db8cfb 301- MPEG-2 YUV 422/444 support
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302- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
303- better image scaling
e0db8cfb 304- H.261 support
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305- correctly interleave packets during encoding
306- VIS optimized motion compensation
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307- intra_dc_precision>0 encoding support
308- support reuse of motion vectors/MB types/field select values of the source video
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309- more accurate deblock filter
310- padding support
311- many optimizations and bugfixes
055dc116 312- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 313
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314
315
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316version 0.4.8:
317
e0db8cfb 318- MPEG-2 video encoding (Michael)
d9d8910b 319- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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320- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
321 and Mario Brito)
322- Xan DPCM audio decoder (Mario Brito)
186447f8 323- Interplay MVE playback subsystem (Mike Melanson)
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324- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
325
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326
327
b17e9c99 328version 0.4.7:
e07702ba 329
e0db8cfb 330- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 331 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 332- current version now also compiles with older GCC (Fabrice)
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333- 4X multimedia playback system including 4xm file demuxer (Mike
334 Melanson), and 4X video and audio codecs (Michael)
335- Creative YUV (CYUV) decoder (Mike Melanson)
336- FFV1 codec (our very simple lossless intra only codec, compresses much better
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337 than HuffYUV) (Michael)
338- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
339- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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340 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
341- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 342 for multiplatform support (Fabrice)
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343- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
344 by anonymous
345- AMR format has been added (Johannes Carlsson)
e0db8cfb 346- 3GP support has been added (Johannes Carlsson)
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347- VP3 codec has been added (Mike Melanson)
348- more MPEG-1/2 fixes
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349- better multiplatform support, MS Visual Studio fixes (various)
350- AltiVec optimizations (Magnus Damn and others)
e07702ba 351- SH4 processor support has been added (BERO)
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352- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
353- VOB streaming support (Brian Foley)
354- better MP3 autodetection (Andriy Rysin)
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355- qpel encoding (Michael)
356- 4mv+b frames encoding finally fixed (Michael)
357- chroma ME (Michael)
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358- 5 comparison functions for ME (Michael)
359- B-frame encoding speedup (Michael)
360- WMV2 codec (unfinished - Michael)
d3d10087 361- user specified diamond size for EPZS (Michael)
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362- Playstation STR playback subsystem, still experimental (Mike and Michael)
363- ASV2 codec (Michael)
364- CLJR decoder (Alex)
d3d10087 365
e0db8cfb 366.. And lots more new enhancements and fixes.
e07702ba 367
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368
369
d3d10087 370version 0.4.6:
739d6efa 371
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372- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
373 from scratch
374- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
375- fix quantization bug in AC3 encoder
376- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
377- added prototype ffplay program
378- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
379- bug fix on MCBPC tables of H.263 (Juanjo)
380- bug fix on DC coefficients of H.263 (Juanjo)
381- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
382- now we can decode H.263 streams found in QuickTime files (Juanjo)
383- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 384- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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385- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
386- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 387- added first regression tests
e0db8cfb 388- added MPEG-2 TS demuxer
a31e01c5 389- new demux API for libav
6d291820 390- more accurate and faster IDCT (Michael)
e0db8cfb 391- faster and entropy-controlled motion search (Michael)
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392- two pass video encoding (Michael)
393- new video rate control (Michael)
394- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
395- great performance improvement of video encoders and decoders (Michael)
396- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 397- high quality encoding mode: tries all macroblock/VLC types (Michael)
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398- added DV video decoder
399- preliminary RTP/RTSP support in ffserver and libavformat
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400- H.263+ AIC decoding/encoding support (Juanjo)
401- VCD MPEG-PS mode (Juanjo)
402- PSNR stuff (Juanjo)
403- simple stats output (Juanjo)
404- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 405
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406
407
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408version 0.4.5:
409
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410- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
411- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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412- added configure system (actually a small shell script)
413- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 414 Michael Hipp (temporary solution - waiting for integer only
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415 decoder)
416- fixed VIDIOCSYNC interrupt
417- added Intel H.263 decoding support ('I263' AVI fourCC)
418- added Real Video 1.0 decoding (needs further testing)
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419- simplified image formats again. Added PGM format (=grey
420 pgm). Renamed old PGM to PGMYUV.
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421- fixed msmpeg4 slice issues (tell me if you still find problems)
422- fixed OpenDivX bugs with newer versions (added VOL header decoding)
423- added support for MPlayer interface
424- added macroblock skip optimization
425- added MJPEG decoder
426- added mmx/mmxext IDCT from libmpeg2
0c1e384c 427- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 428 <celer at shell.scrypt.net>)
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429- added pixel format conversion layer (e.g. for MJPEG or PPM)
430- added deinterlacing option
431- MPEG-1/2 fixes
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432- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
433- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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434- Windows porting of file converter
435- added MJPEG raw format (input/ouput)
436- added JPEG image format support (input/output)
de6d9b64 437
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438
439
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440version 0.4.4:
441
442- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 443 <bjorn.e.lindgren at telia.com>).
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444- added MPEG demuxer (MPEG-1 and 2 compatible).
445- added ASF demuxer
446- added prototype RM demuxer
447- added AC3 decoding (done with libac3 by Aaron Holtzman)
448- added decoding codec parameter guessing (.e.g. for MPEG, because the
449 header does not include them)
450- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
451 play them (only tested video)
452- fixed H.263 white bug
453- fixed phase rounding in img resample filter
454- add MMX code for polyphase img resample filter
455- added CPU autodetection
456- added generic title/author/copyright/comment string handling (ASF and RM
457 use them)
de6d9b64 458- added SWF demux to extract MP3 track (not usable yet because no MP3
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459 decoder)
460- added fractional frame rate support
de6d9b64 461- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 462 segfault)
de6d9b64 463
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464
465
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466version 0.4.3:
467
dd5cf2ad 468- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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469- fixed raw yuv output
470- added motion rounding support in MPEG-4
471- fixed motion bug rounding in MSMPEG4
472- added B-frame handling in video core
473- added full MPEG-1 decoding support
474- added partial (frame only) MPEG-2 support
de6d9b64 475- changed the FOURCC code for H.263 to "U263" to be able to see the
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476 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
477 this +codec ;) (JuanJo).
478- Halfpel motion estimation after MB type selection (JuanJo)
479- added pgm and .Y.U.V output format
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480- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
481 output.
482- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 483 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 484 instead of a protocol)
de6d9b64 485
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486
487
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488version 0.4.2:
489
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490- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
491 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 492 missing. MSMPEG4 support is complete.
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493- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
494 can decode ffmpeg MPEGs :-)).
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495- added libavcodec API documentation (see apiexample.c).
496- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 497 greenish)
de6d9b64 498- added support for non clipped motion vectors (decoding only)
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499 and image sizes non-multiple of 16
500- added support for AC prediction (decoding only)
501- added file overwrite confirmation (can be disabled with -y)
502- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 503
0ca3e336 504
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505version 0.4.1:
506
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507- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
508 of AVI and ASF to DIV3.
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509- added -me option to set motion estimation method
510 (default=log). suppressed redundant -hq option.
511- added options -acodec and -vcodec to force a given codec (useful for
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512 AVI for example)
513- fixed -an option
514- improved dct_quantize speed
515- factorized some motion estimation code
de6d9b64 516
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517
518
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519version 0.4.0:
520
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521- removing grab code from ffserver and moved it to ffmpeg. Added
522 multistream support to ffmpeg.
de6d9b64 523- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 524 URL)
de6d9b64 525- added high quality image resize code with polyphase filter (need
56cc85a0 526 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 527- added multi live feed support in ffserver
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528- suppressed master feature from ffserver (it should be done with an
529 external program which opens the .ffm url and writes it to another
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530 ffserver)
531- added preliminary support for video stream parsing (WAV and AVI half
532 done). Added proper support for audio/video file conversion in
de6d9b64 533 ffmpeg.
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534- added preliminary support for video file sending from ffserver
535- redesigning I/O subsystem: now using URL based input and output
536 (see avio.h)
537- added WAV format support
538- added "tty user interface" to ffmpeg to stop grabbing gracefully
539- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 540 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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541- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
542- added new motion estimation algorithms, log and phods (Juanjo)
543- changed directories: libav for format handling, libavcodec for
544 codecs
de6d9b64 545
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546
547
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548version 0.3.4:
549
e0db8cfb 550- added stereo in MPEG audio encoder
de6d9b64 551
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552
553
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554version 0.3.3:
555
556- added 'high quality' mode which use motion vectors. It can be used in
557 real time at low resolution.
558- fixed rounding problems which caused quality problems at high
e0db8cfb 559 bitrates and large GOP size
de6d9b64 560
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561
562
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563version 0.3.2: small fixes
564
e0db8cfb 565- ASF fixes
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566- put_seek bug fix
567
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568
569
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570version 0.3.1: added avi/divx support
571
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572- added AVI support
573- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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574- added sound for flash format (not tested)
575
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576
577
de6d9b64 578version 0.3: initial public release