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