grep Changelog entry from unified diffs
[libav.git] / Changelog
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1Entries are sorted chronologically from oldest to youngest within each release,
2releases are sorted from youngest to oldest.
3
4
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5version <next>:
6
316d6c15 7- WebM support in Matroska de/muxer
21d52447 8- low overhead Ogg muxing
a2403986 9- MMS-TCP support
ee0e9146 10- VP8 de/encoding via libvpx
31cd5a9a 11- CODEC_CAP_EXPERIMENTAL added
173bb37f 12- Demuxer for On2's IVF format
a526d619 13- Pictor/PC Paint decoder
a2063901 14- HE-AAC v2 decoder
41f91b5f 15- libfaad2 wrapper removed
e83aed04 16- DTS-ES extension (XCh) decoding support
db7d307f 17- native VP8 decoder
680b2321 18- RTSP tunneling over HTTP
4449df6b 19- RTP depacketization of SVQ3
2d525ef4 20- -strict inofficial replaced by -strict unofficial
066ce8c9 21- ffplay -exitonkeydown and -exitonmousedown options added
b576934d 22- native GSM / GSM MS decoder
a59096e4 23- RTP depacketization of QDM2
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24
25
b9796cc7 26
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27version 0.6:
28
2db272e9 29- PB-frame decoding for H.263
b11163c8 30- deprecated vhook subsystem removed
3444c914 31- deprecated old scaler removed
616e899c 32- VQF demuxer
b3b5946c 33- Alpha channel scaler
effcedf7 34- PCX encoder
9edfaf3c 35- RTP packetization of H.263
08e696c0 36- RTP packetization of AMR
e6327fba 37- RTP depacketization of Vorbis
e9356be5 38- CorePNG decoding support
9189d7eb 39- Cook multichannel decoding support
276f8e2b 40- introduced avlanguage helpers in libavformat
f0b19bd3 41- 8088flex TMV demuxer and decoder
5f1ac36d 42- per-stream language-tags extraction in asfdec
ca0bb1c4 43- V210 decoder and encoder
de08ebe3 44- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 45- QCP demuxer
cbfe5bee 46- SoX native format muxer and demuxer
0b175caa 47- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 48- DPX image decoder
c63ea92b 49- Electronic Arts Madcow decoder
a4276ba2 50- DivX (XSUB) subtitle encoder
0a4a0aa7 51- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 52- experimental AAC encoder
c2f3eec4 53- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 54- RTMP support in libavformat
3106f489 55- noX handling for OPT_BOOL X options
740e89cf 56- Wave64 demuxer
ab1eff9c 57- IEC-61937 compatible Muxer
7bd47335 58- TwinVQ decoder
c58b82a2 59- Bluray (PGS) subtitle decoder
5dd3707b 60- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 61- WMA Pro decoder
5f14b565 62- Core Audio Format demuxer
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63- Atrac1 decoder
64- MD STUDIO audio demuxer
811e0fc2 65- RF64 support in WAV demuxer
99971952 66- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 67- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 68- IV8 demuxer
a3d995c1 69- CDG demuxer and decoder
4aaab0a3 70- R210 decoder
ce293510 71- Auravision Aura 1 and 2 decoders
e6565055 72- Deluxe Paint Animation playback system
d140b025 73- SIPR decoder
83ab7f18 74- Adobe Filmstrip muxer and demuxer
45aa9080 75- RTP depacketization of H.263
342c7dfd 76- Bink demuxer and audio/video decoders
4ebaec79 77- enable symbol versioning by default for linkers that support it
b9e06ddd 78- IFF PBM/ILBM bitmap decoder
084eb95f 79- concat protocol
5bebe94d 80- Indeo 5 decoder
556aa7a1 81- RTP depacketization of AMR
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82- WMA Voice decoder
83- ffprobe tool
4fe3edaa 84- AMR-NB decoder
6f5a3d0a 85- RTSP muxer
ed492b61 86- HE-AAC v1 decoder
bf354122 87- Kega Game Video (KGV1) decoder
59b4b540 88- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 89- RTP depacketization of Theora
b26708d5 90- HTTP Digest authentication
0f943ce6 91- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 92- Psygnosis YOP demuxer and video decoder
ca6e7708 93- spectral extension support in the E-AC-3 decoder
ac1c9564 94- unsharp video filter
910cde56 95- RTP hinting in the mov/3gp/mp4 muxer
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96- Dirac in Ogg demuxing
97- seek to keyframes in Ogg
98- 4:2:2 and 4:4:4 Theora decoding
99- 35% faster VP3/Theora decoding
100- faster AAC decoding
101- faster H.264 decoding
d31ba231 102- RealAudio 1.0 (14.4K) encoder
de08ebe3 103
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104
105
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106version 0.5:
107
06ab9cff 108- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 109- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 110- IBM Ultimotion (ULTI) video decoder
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111- Sierra Online audio file demuxer and decoder
112- Apple QuickDraw (qdrw) video decoder
22052247 113- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 114- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 115- Miro VideoXL (VIXL) video decoder
b06b45c4 116- H.261 video encoder
acfd8f0f 117- QPEG video decoder
353147ed 118- Nullsoft Video (NSV) file demuxer
13dfd2b9 119- Shorten audio decoder
9c7fb608 120- LOCO video decoder
115329f1 121- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 122- Winnov WNV1 video decoder
589f8220 123- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 124- Indeo 2 video decoder
b81f8949 125- Fraps FPS1 video decoder
e0db8cfb 126- Snow video encoder/decoder
af4ca324 127- Sonic audio encoder/decoder
108ab268 128- Vorbis audio decoder
af4ca324 129- Macromedia ADPCM decoder
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130- Duck TrueMotion 2 video decoder
131- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 132- H.264 custom quantization matrices support
a8289180 133- ffserver fixed, it should now be usable again
8d1018bf 134- QDM2 audio decoder
8a2d410e 135- Real Cooker audio decoder
bf3027c8 136- TrueSpeech audio decoder
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137- WMA2 audio decoder fixed, now all files should play correctly
138- RealAudio 14.4 and 28.8 decoders fixed
108ab268 139- JPEG-LS decoder
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140- build system improvements
141- tabs and trailing whitespace removed from the codebase
108ab268 142- CamStudio video decoder
f11288da 143- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 144- ADTS AAC file reading and writing
ea395e8c 145- Creative VOC file reading and writing
4e114829 146- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 147- Zip Motion Blocks Video decoder
58cf42fa 148- improved Theora/VP3 decoder
8a2d410e 149- True Audio (TTA) decoder
26376701 150- AVS demuxer and video decoder
108ab268 151- JPEG-LS encoder
348efc18 152- Smacker demuxer and decoder
dfca23e3 153- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 154- KMVC decoder
58cf42fa 155- MPEG-2 intra VLC support
2d974017 156- MPEG-2 4:2:2 encoder
0919e788 157- Flash Screen Video decoder
cc0bc648 158- GXF demuxer
6a09487e 159- Chinese AVS decoder
43dcf590 160- GXF muxer
07bf2af8 161- MXF demuxer
b394e39a 162- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 163- MacIntel support
8ac17293 164- AVISynth support
eb57c889 165- VMware video decoder
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166- VP5 video decoder
167- VP6 video decoder
730581f3 168- WavPack lossless audio decoder
3689cf16 169- Targa (.TGA) picture decoder
108ab268 170- Vorbis audio encoder
dc56e0de 171- Delphine Software .cin demuxer/audio and video decoder
29f86228 172- Tiertex .seq demuxer/video decoder
f7bc5837 173- MTV demuxer
716222db 174- TIFF picture encoder and decoder
06d392a7 175- GIF picture decoder
58cf42fa 176- Intel Music Coder decoder
6a7d2c3d 177- Zip Motion Blocks Video encoder
185c7b6b 178- Musepack decoder
8adc51f2 179- Flash Screen Video encoder
150d2772 180- Theora encoding via libtheora
52548eee 181- BMP encoder
039cd4a7 182- WMA encoder
346a655d 183- GSM-MS encoder and decoder
01ca9ac3 184- DCA decoder
33a0dd37 185- DXA demuxer and decoder
52b6bad2 186- DNxHD decoder
efb0c399 187- Gamecube movie (.THP) playback system
a5fbe001 188- Blackfin optimizations
9a0ddd09 189- Interplay C93 demuxer and video decoder
1e6c6759 190- Bethsoft VID demuxer and video decoder
8e952e4d 191- CRYO APC demuxer
10e26bc7 192- Atrac3 decoder
b46d68c6 193- V.Flash PTX decoder
58cf42fa 194- RoQ muxer, RoQ audio encoder
ad39f1a7 195- Renderware TXD demuxer and decoder
4d5588cf 196- extern C declarations for C++ removed from headers
82e60541 197- sws_flags command line option
ddcf4b5d 198- codebook generator
03e3e765 199- RoQ video encoder
d3b7406c 200- QTRLE encoder
d22e8442 201- OS/2 support removed and restored again
6ea67bbb 202- AC-3 decoder
58cf42fa 203- NUT muxer
108ab268 204- additional SPARC (VIS) optimizations
e09f7d61 205- Matroska muxer
58cf42fa 206- slice-based parallel H.264 decoding
bf4a1f17 207- Monkey's Audio demuxer and decoder
8787d837 208- AMV audio and video decoder
fc4cbc16 209- DNxHD encoder
d6c52130 210- H.264 PAFF decoding
636b13c5 211- Nellymoser ASAO decoder
66f7679c 212- Beam Software SIFF demuxer and decoder
f9def9cc 213- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 214- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 215- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 216- The "device" muxers and demuxers are now in a new libavdevice library
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217- PC Paintbrush PCX decoder
218- Sun Rasterfile decoder
920d3609 219- TechnoTrend PVA demuxer
77c1d04d 220- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 221- AVM2 (Flash 9) SWF muxer
9dc92a38 222- QT variant of IMA ADPCM encoder
39fc859e 223- VFW grabber
58cf42fa 224- iPod/iPhone compatible mp4 muxer
a7129de5 225- Mimic decoder
0f3444e1 226- MSN TCP Webcam stream demuxer
86b3cf7c 227- RL2 demuxer / decoder
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228- IFF demuxer
229- 8SVX audio decoder
b00b15be 230- non-recursive Makefiles
b64c096b 231- BFI demuxer
74118c07 232- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 233- BFI video decoder
ea662534 234- OMA demuxer
b517af05 235- MLP/TrueHD decoder
e1c74782 236- Electronic Arts CMV decoder
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237- Motion Pixels Video decoder
238- Motion Pixels MVI demuxer
e44bbf62 239- removed animated GIF decoder/demuxer
51c3861e 240- D-Cinema audio muxer
cfc78718 241- Electronic Arts TGV decoder
833e90dd 242- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 243- AAC decoder
eb6fc557 244- floating point PCM encoder/decoder
cedebde1 245- MXF muxer
108ab268 246- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 247- E-AC-3 support added to AC-3 decoder
755ba886 248- Nellymoser ASAO encoder
0c86f89a 249- ASS and SSA demuxer and muxer
d8d12c15 250- liba52 wrapper removed
0ac1dc6f 251- SVQ3 watermark decoding support
f6958006 252- Speex decoding via libspeex
42b30357 253- Electronic Arts TGQ decoder
108ab268 254- RV40 decoder
73b458e3 255- QCELP / PureVoice decoder
108ab268 256- RV30 decoder
7906f3ca 257- hybrid WavPack support
7eb68edb 258- R3D REDCODE demuxer
115d095e 259- ALSA support for playback and record
d8964f3a 260- Electronic Arts TQI decoder
9a77d59a 261- OpenJPEG based JPEG 2000 decoder
58cf42fa 262- NC (NC4600) camera file demuxer
865780ae 263- Gopher client support
bd3f81f3 264- MXF D-10 muxer
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265- generic metadata API
266
9d53d58e 267
0ca3e336 268
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269version 0.4.9-pre1:
270
4fa1c4fa 271- DV encoder, DV muxer
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272- Microsoft RLE video decoder
273- Microsoft Video-1 decoder
070ed1bc 274- Apple Animation (RLE) decoder
42cad81a 275- Apple Graphics (SMC) decoder
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276- Apple Video (RPZA) decoder
277- Cinepak decoder
278- Sega FILM (CPK) file demuxer
42cad81a 279- Westwood multimedia support (VQA & AUD files)
4120a53a 280- Id Quake II CIN playback support
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281- 8BPS video decoder
282- FLIC playback support
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283- RealVideo 2.0 (RV20) decoder
284- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 285- Sierra VMD demuxer and video decoder
1defd2a8 286- MSZH and ZLIB decoder support
3b64893d 287- SVQ1 video encoder
1defd2a8 288- AMR-WB support
e0db8cfb 289- PPC optimizations
1defd2a8 290- rate distortion optimal cbp support
e0db8cfb 291- rate distorted optimal ac prediction for MPEG-4
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292- rate distorted optimal lambda->qp support
293- AAC encoding with libfaac
294- Sunplus JPEG codec (SP5X) support
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295- use Lagrange multipler instead of QP for ratecontrol
296- Theora/VP3 decoding support
1defd2a8 297- XA and ADX ADPCM codecs
e0db8cfb 298- export MPEG-2 active display area / pan scan
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299- Add support for configuring with IBM XLC
300- floating point AAN DCT
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301- initial support for zygo video (not complete)
302- RGB ffv1 support
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303- new audio/video parser API
304- av_log() system
305- av_read_frame() and av_seek_frame() support
306- missing last frame fixes
307- seek by mouse in ffplay
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308- noise reduction of DCT coefficients
309- H.263 OBMC & 4MV support
310- H.263 alternative inter vlc support
311- H.263 loop filter
312- H.263 slice structured mode
313- interlaced DCT support for MPEG-2 encoding
1defd2a8 314- stuffing to stay above min_bitrate
e0db8cfb 315- MB type & QP visualization
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316- frame stepping for ffplay
317- interlaced motion estimation
318- alternate scantable support
319- SVCD scan offset support
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320- closed GOP support
321- SSE2 FDCT
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322- quantizer noise shaping
323- G.726 ADPCM audio codec
324- MS ADPCM encoding
325- multithreaded/SMP motion estimation
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326- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
327- multithreaded/SMP decoding for MPEG-2
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328- FLAC decoder
329- Metrowerks CodeWarrior suppport
e0db8cfb 330- H.263+ custom pcf support
1defd2a8 331- nicer output for 'ffmpeg -formats'
e0db8cfb 332- Matroska demuxer
1defd2a8 333- SGI image format, encoding and decoding
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334- H.264 loop filter support
335- H.264 CABAC support
f073a393 336- nicer looking arrows for the motion vector visualization
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337- improved VCD support
338- audio timestamp drift compensation
e0db8cfb 339- MPEG-2 YUV 422/444 support
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340- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
341- better image scaling
e0db8cfb 342- H.261 support
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343- correctly interleave packets during encoding
344- VIS optimized motion compensation
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345- intra_dc_precision>0 encoding support
346- support reuse of motion vectors/MB types/field select values of the source video
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347- more accurate deblock filter
348- padding support
349- many optimizations and bugfixes
055dc116 350- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 351
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352
353
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354version 0.4.8:
355
e0db8cfb 356- MPEG-2 video encoding (Michael)
d9d8910b 357- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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358- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
359 and Mario Brito)
360- Xan DPCM audio decoder (Mario Brito)
186447f8 361- Interplay MVE playback subsystem (Mike Melanson)
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362- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
363
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364
365
b17e9c99 366version 0.4.7:
e07702ba 367
e0db8cfb 368- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 369 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 370- current version now also compiles with older GCC (Fabrice)
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371- 4X multimedia playback system including 4xm file demuxer (Mike
372 Melanson), and 4X video and audio codecs (Michael)
373- Creative YUV (CYUV) decoder (Mike Melanson)
374- FFV1 codec (our very simple lossless intra only codec, compresses much better
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375 than HuffYUV) (Michael)
376- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
377- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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378 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
379- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 380 for multiplatform support (Fabrice)
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381- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
382 by anonymous
383- AMR format has been added (Johannes Carlsson)
e0db8cfb 384- 3GP support has been added (Johannes Carlsson)
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385- VP3 codec has been added (Mike Melanson)
386- more MPEG-1/2 fixes
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387- better multiplatform support, MS Visual Studio fixes (various)
388- AltiVec optimizations (Magnus Damn and others)
e07702ba 389- SH4 processor support has been added (BERO)
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390- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
391- VOB streaming support (Brian Foley)
392- better MP3 autodetection (Andriy Rysin)
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393- qpel encoding (Michael)
394- 4mv+b frames encoding finally fixed (Michael)
395- chroma ME (Michael)
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396- 5 comparison functions for ME (Michael)
397- B-frame encoding speedup (Michael)
398- WMV2 codec (unfinished - Michael)
d3d10087 399- user specified diamond size for EPZS (Michael)
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400- Playstation STR playback subsystem, still experimental (Mike and Michael)
401- ASV2 codec (Michael)
402- CLJR decoder (Alex)
d3d10087 403
e0db8cfb 404.. And lots more new enhancements and fixes.
e07702ba 405
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406
407
d3d10087 408version 0.4.6:
739d6efa 409
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410- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
411 from scratch
412- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
413- fix quantization bug in AC3 encoder
414- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
415- added prototype ffplay program
416- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
417- bug fix on MCBPC tables of H.263 (Juanjo)
418- bug fix on DC coefficients of H.263 (Juanjo)
419- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
420- now we can decode H.263 streams found in QuickTime files (Juanjo)
421- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 422- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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423- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
424- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 425- added first regression tests
e0db8cfb 426- added MPEG-2 TS demuxer
a31e01c5 427- new demux API for libav
6d291820 428- more accurate and faster IDCT (Michael)
e0db8cfb 429- faster and entropy-controlled motion search (Michael)
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430- two pass video encoding (Michael)
431- new video rate control (Michael)
432- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
433- great performance improvement of video encoders and decoders (Michael)
434- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 435- high quality encoding mode: tries all macroblock/VLC types (Michael)
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436- added DV video decoder
437- preliminary RTP/RTSP support in ffserver and libavformat
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438- H.263+ AIC decoding/encoding support (Juanjo)
439- VCD MPEG-PS mode (Juanjo)
440- PSNR stuff (Juanjo)
441- simple stats output (Juanjo)
442- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 443
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444
445
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446version 0.4.5:
447
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448- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
449- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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450- added configure system (actually a small shell script)
451- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 452 Michael Hipp (temporary solution - waiting for integer only
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453 decoder)
454- fixed VIDIOCSYNC interrupt
455- added Intel H.263 decoding support ('I263' AVI fourCC)
456- added Real Video 1.0 decoding (needs further testing)
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457- simplified image formats again. Added PGM format (=grey
458 pgm). Renamed old PGM to PGMYUV.
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459- fixed msmpeg4 slice issues (tell me if you still find problems)
460- fixed OpenDivX bugs with newer versions (added VOL header decoding)
461- added support for MPlayer interface
462- added macroblock skip optimization
463- added MJPEG decoder
464- added mmx/mmxext IDCT from libmpeg2
0c1e384c 465- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 466 <celer at shell.scrypt.net>)
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467- added pixel format conversion layer (e.g. for MJPEG or PPM)
468- added deinterlacing option
469- MPEG-1/2 fixes
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470- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
471- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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472- Windows porting of file converter
473- added MJPEG raw format (input/ouput)
474- added JPEG image format support (input/output)
de6d9b64 475
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476
477
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478version 0.4.4:
479
480- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 481 <bjorn.e.lindgren at telia.com>).
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482- added MPEG demuxer (MPEG-1 and 2 compatible).
483- added ASF demuxer
484- added prototype RM demuxer
485- added AC3 decoding (done with libac3 by Aaron Holtzman)
486- added decoding codec parameter guessing (.e.g. for MPEG, because the
487 header does not include them)
488- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
489 play them (only tested video)
490- fixed H.263 white bug
491- fixed phase rounding in img resample filter
492- add MMX code for polyphase img resample filter
493- added CPU autodetection
494- added generic title/author/copyright/comment string handling (ASF and RM
495 use them)
de6d9b64 496- added SWF demux to extract MP3 track (not usable yet because no MP3
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497 decoder)
498- added fractional frame rate support
de6d9b64 499- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 500 segfault)
de6d9b64 501
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502
503
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504version 0.4.3:
505
dd5cf2ad 506- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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507- fixed raw yuv output
508- added motion rounding support in MPEG-4
509- fixed motion bug rounding in MSMPEG4
510- added B-frame handling in video core
511- added full MPEG-1 decoding support
512- added partial (frame only) MPEG-2 support
de6d9b64 513- changed the FOURCC code for H.263 to "U263" to be able to see the
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514 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
515 this +codec ;) (JuanJo).
516- Halfpel motion estimation after MB type selection (JuanJo)
517- added pgm and .Y.U.V output format
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518- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
519 output.
520- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 521 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 522 instead of a protocol)
de6d9b64 523
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524
525
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526version 0.4.2:
527
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528- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
529 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 530 missing. MSMPEG4 support is complete.
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531- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
532 can decode ffmpeg MPEGs :-)).
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533- added libavcodec API documentation (see apiexample.c).
534- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 535 greenish)
de6d9b64 536- added support for non clipped motion vectors (decoding only)
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537 and image sizes non-multiple of 16
538- added support for AC prediction (decoding only)
539- added file overwrite confirmation (can be disabled with -y)
540- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 541
0ca3e336 542
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543version 0.4.1:
544
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545- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
546 of AVI and ASF to DIV3.
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547- added -me option to set motion estimation method
548 (default=log). suppressed redundant -hq option.
549- added options -acodec and -vcodec to force a given codec (useful for
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550 AVI for example)
551- fixed -an option
552- improved dct_quantize speed
553- factorized some motion estimation code
de6d9b64 554
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555
556
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557version 0.4.0:
558
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559- removing grab code from ffserver and moved it to ffmpeg. Added
560 multistream support to ffmpeg.
de6d9b64 561- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 562 URL)
de6d9b64 563- added high quality image resize code with polyphase filter (need
56cc85a0 564 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 565- added multi live feed support in ffserver
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566- suppressed master feature from ffserver (it should be done with an
567 external program which opens the .ffm url and writes it to another
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568 ffserver)
569- added preliminary support for video stream parsing (WAV and AVI half
570 done). Added proper support for audio/video file conversion in
de6d9b64 571 ffmpeg.
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572- added preliminary support for video file sending from ffserver
573- redesigning I/O subsystem: now using URL based input and output
574 (see avio.h)
575- added WAV format support
576- added "tty user interface" to ffmpeg to stop grabbing gracefully
577- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 578 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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579- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
580- added new motion estimation algorithms, log and phods (Juanjo)
581- changed directories: libav for format handling, libavcodec for
582 codecs
de6d9b64 583
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584
585
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586version 0.3.4:
587
e0db8cfb 588- added stereo in MPEG audio encoder
de6d9b64 589
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590
591
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592version 0.3.3:
593
594- added 'high quality' mode which use motion vectors. It can be used in
595 real time at low resolution.
596- fixed rounding problems which caused quality problems at high
e0db8cfb 597 bitrates and large GOP size
de6d9b64 598
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599
600
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601version 0.3.2: small fixes
602
e0db8cfb 603- ASF fixes
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604- put_seek bug fix
605
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606
607
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608version 0.3.1: added avi/divx support
609
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610- added AVI support
611- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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612- added sound for flash format (not tested)
613
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614
615
de6d9b64 616version 0.3: initial public release