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