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