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[libav.git] / Changelog
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888505df
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1Entries are sorted chronologically from oldest to youngest within each release,
2releases are sorted from youngest to oldest.
3
4
2db272e9
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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
173bb37f 11- Demuxer for On2's IVF format
a526d619 12- Pictor/PC Paint decoder
a2063901 13- HE-AAC v2 decoder
41f91b5f 14- libfaad2 wrapper removed
e83aed04 15- DTS-ES extension (XCh) decoding support
db7d307f 16- native VP8 decoder
680b2321 17- RTSP tunneling over HTTP
4449df6b 18- RTP depacketization of SVQ3
2d525ef4 19- -strict inofficial replaced by -strict unofficial
066ce8c9 20- ffplay -exitonkeydown and -exitonmousedown options added
b576934d 21- native GSM / GSM MS decoder
a59096e4 22- RTP depacketization of QDM2
5a717094 23- ANSI/ASCII art playback system
e8723e24 24- Lego Mindstorms RSO de/muxer
aac6ca69 25- libavcore added
ba2c508d 26- SubRip subtitle file muxer and demuxer
de295976 27- Chinese AVS encoding via libxavs
530bbe96 28- ffprobe -show_packets option added
91af5601 29- RTP packetization of Theora and Vorbis
1ddc176e 30- RTP depacketization of MP4A-LATM
51291e60 31- RTP packetization and depacketization of VP8
a1e171df 32- hflip filter
cd223e0b 33- Apple HTTP Live Streaming demuxer
7f50caa7 34- a64 codec
b8521394 35- MMS-HTTP support
21e681ba 36- G.722 ADPCM audio encoder/decoder
43836928 37- R10k video decoder
6ebf0bfc 38- ocv_smooth filter
47941088 39- frei0r wrapper filter
2bc05d35 40- change crop filter syntax to width:height:x:y
75b67a8a 41- make the crop filter accept parametric expressions
6afd569e 42- make ffprobe accept AVFormatContext options
5900deeb 43- yadif filter
13fabd7a 44- blackframe filter
8878e3b2 45- Demuxer for Leitch/Harris' VR native stream format (LXF)
3ece3e4c 46- RTP depacketization of the X-QT QuickTime format
01c8d258 47- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
68b79bfc 48- cropdetect filter
5879ea6d 49- ffmpeg -crop* options removed
43945b27 50- transpose filter added
4ad08021 51- ffmpeg -force_key_frames option added
44594cc7 52- demuxer for receiving raw rtp:// URLs without an SDP description
136e19e1 53- single stream LATM/LOAS decoder
a532bb39 54- setpts filter added
61b1f0f9 55- Win64 support for optimized asm functions
ba83c4bf 56- MJPEG/AVI1 to JPEG/JFIF bitstream filter
c99f9b0a 57- ASS subtitle encoder and decoder
323e3f8b 58- IEC 61937 encapsulation for E-AC3 and TrueHD (for HDMI passthrough)
58935b25 59- overlay filter added
2fb21bf4 60- rename aspect filter to setdar, and pixelaspect to setsar
3b39e273 61- IEC 61937 demuxer
9d09ebf1 62- Mobotix .mxg demuxer
f8608dca 63- frei0r source added
a4dc7aa5 64- hqdn3d filter added
35014efc 65- RTP depacketization of QCELP
475ae04a 66- FLAC parser added
d5f187fd 67- gradfun filter added
2b2a597e 68- AMR-WB decoder
3579b405 69- replace the ocv_smooth filter with a more generic ocv filter
82ca054a 70- Windows Televison (WTV) demuxer
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71
72
73version 0.6:
74
2db272e9 75- PB-frame decoding for H.263
b11163c8 76- deprecated vhook subsystem removed
3444c914 77- deprecated old scaler removed
616e899c 78- VQF demuxer
b3b5946c 79- Alpha channel scaler
effcedf7 80- PCX encoder
9edfaf3c 81- RTP packetization of H.263
08e696c0 82- RTP packetization of AMR
e6327fba 83- RTP depacketization of Vorbis
e9356be5 84- CorePNG decoding support
9189d7eb 85- Cook multichannel decoding support
276f8e2b 86- introduced avlanguage helpers in libavformat
f0b19bd3 87- 8088flex TMV demuxer and decoder
5f1ac36d 88- per-stream language-tags extraction in asfdec
ca0bb1c4 89- V210 decoder and encoder
de08ebe3 90- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 91- QCP demuxer
cbfe5bee 92- SoX native format muxer and demuxer
0b175caa 93- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 94- DPX image decoder
c63ea92b 95- Electronic Arts Madcow decoder
a4276ba2 96- DivX (XSUB) subtitle encoder
0a4a0aa7 97- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 98- experimental AAC encoder
c2f3eec4 99- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 100- RTMP support in libavformat
3106f489 101- noX handling for OPT_BOOL X options
740e89cf 102- Wave64 demuxer
ab1eff9c 103- IEC-61937 compatible Muxer
7bd47335 104- TwinVQ decoder
c58b82a2 105- Bluray (PGS) subtitle decoder
5dd3707b 106- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 107- WMA Pro decoder
5f14b565 108- Core Audio Format demuxer
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109- Atrac1 decoder
110- MD STUDIO audio demuxer
811e0fc2 111- RF64 support in WAV demuxer
99971952 112- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 113- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 114- IV8 demuxer
a3d995c1 115- CDG demuxer and decoder
4aaab0a3 116- R210 decoder
ce293510 117- Auravision Aura 1 and 2 decoders
e6565055 118- Deluxe Paint Animation playback system
d140b025 119- SIPR decoder
83ab7f18 120- Adobe Filmstrip muxer and demuxer
45aa9080 121- RTP depacketization of H.263
342c7dfd 122- Bink demuxer and audio/video decoders
4ebaec79 123- enable symbol versioning by default for linkers that support it
b9e06ddd 124- IFF PBM/ILBM bitmap decoder
084eb95f 125- concat protocol
5bebe94d 126- Indeo 5 decoder
556aa7a1 127- RTP depacketization of AMR
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128- WMA Voice decoder
129- ffprobe tool
4fe3edaa 130- AMR-NB decoder
6f5a3d0a 131- RTSP muxer
ed492b61 132- HE-AAC v1 decoder
bf354122 133- Kega Game Video (KGV1) decoder
59b4b540 134- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 135- RTP depacketization of Theora
b26708d5 136- HTTP Digest authentication
0f943ce6 137- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 138- Psygnosis YOP demuxer and video decoder
ca6e7708 139- spectral extension support in the E-AC-3 decoder
ac1c9564 140- unsharp video filter
910cde56 141- RTP hinting in the mov/3gp/mp4 muxer
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142- Dirac in Ogg demuxing
143- seek to keyframes in Ogg
144- 4:2:2 and 4:4:4 Theora decoding
145- 35% faster VP3/Theora decoding
146- faster AAC decoding
147- faster H.264 decoding
d31ba231 148- RealAudio 1.0 (14.4K) encoder
de08ebe3 149
2db272e9 150
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151version 0.5:
152
06ab9cff 153- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 154- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 155- IBM Ultimotion (ULTI) video decoder
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156- Sierra Online audio file demuxer and decoder
157- Apple QuickDraw (qdrw) video decoder
22052247 158- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 159- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 160- Miro VideoXL (VIXL) video decoder
b06b45c4 161- H.261 video encoder
acfd8f0f 162- QPEG video decoder
353147ed 163- Nullsoft Video (NSV) file demuxer
13dfd2b9 164- Shorten audio decoder
9c7fb608 165- LOCO video decoder
115329f1 166- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 167- Winnov WNV1 video decoder
589f8220 168- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 169- Indeo 2 video decoder
b81f8949 170- Fraps FPS1 video decoder
e0db8cfb 171- Snow video encoder/decoder
af4ca324 172- Sonic audio encoder/decoder
108ab268 173- Vorbis audio decoder
af4ca324 174- Macromedia ADPCM decoder
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175- Duck TrueMotion 2 video decoder
176- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 177- H.264 custom quantization matrices support
a8289180 178- ffserver fixed, it should now be usable again
8d1018bf 179- QDM2 audio decoder
8a2d410e 180- Real Cooker audio decoder
bf3027c8 181- TrueSpeech audio decoder
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182- WMA2 audio decoder fixed, now all files should play correctly
183- RealAudio 14.4 and 28.8 decoders fixed
108ab268 184- JPEG-LS decoder
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185- build system improvements
186- tabs and trailing whitespace removed from the codebase
108ab268 187- CamStudio video decoder
f11288da 188- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 189- ADTS AAC file reading and writing
ea395e8c 190- Creative VOC file reading and writing
4e114829 191- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 192- Zip Motion Blocks Video decoder
58cf42fa 193- improved Theora/VP3 decoder
8a2d410e 194- True Audio (TTA) decoder
26376701 195- AVS demuxer and video decoder
108ab268 196- JPEG-LS encoder
348efc18 197- Smacker demuxer and decoder
dfca23e3 198- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 199- KMVC decoder
58cf42fa 200- MPEG-2 intra VLC support
2d974017 201- MPEG-2 4:2:2 encoder
0919e788 202- Flash Screen Video decoder
cc0bc648 203- GXF demuxer
6a09487e 204- Chinese AVS decoder
43dcf590 205- GXF muxer
07bf2af8 206- MXF demuxer
b394e39a 207- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 208- MacIntel support
8ac17293 209- AVISynth support
eb57c889 210- VMware video decoder
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211- VP5 video decoder
212- VP6 video decoder
730581f3 213- WavPack lossless audio decoder
3689cf16 214- Targa (.TGA) picture decoder
108ab268 215- Vorbis audio encoder
dc56e0de 216- Delphine Software .cin demuxer/audio and video decoder
29f86228 217- Tiertex .seq demuxer/video decoder
f7bc5837 218- MTV demuxer
716222db 219- TIFF picture encoder and decoder
06d392a7 220- GIF picture decoder
58cf42fa 221- Intel Music Coder decoder
6a7d2c3d 222- Zip Motion Blocks Video encoder
185c7b6b 223- Musepack decoder
8adc51f2 224- Flash Screen Video encoder
150d2772 225- Theora encoding via libtheora
52548eee 226- BMP encoder
039cd4a7 227- WMA encoder
346a655d 228- GSM-MS encoder and decoder
01ca9ac3 229- DCA decoder
33a0dd37 230- DXA demuxer and decoder
52b6bad2 231- DNxHD decoder
efb0c399 232- Gamecube movie (.THP) playback system
a5fbe001 233- Blackfin optimizations
9a0ddd09 234- Interplay C93 demuxer and video decoder
1e6c6759 235- Bethsoft VID demuxer and video decoder
8e952e4d 236- CRYO APC demuxer
10e26bc7 237- Atrac3 decoder
b46d68c6 238- V.Flash PTX decoder
58cf42fa 239- RoQ muxer, RoQ audio encoder
ad39f1a7 240- Renderware TXD demuxer and decoder
4d5588cf 241- extern C declarations for C++ removed from headers
82e60541 242- sws_flags command line option
ddcf4b5d 243- codebook generator
03e3e765 244- RoQ video encoder
d3b7406c 245- QTRLE encoder
d22e8442 246- OS/2 support removed and restored again
6ea67bbb 247- AC-3 decoder
58cf42fa 248- NUT muxer
108ab268 249- additional SPARC (VIS) optimizations
e09f7d61 250- Matroska muxer
58cf42fa 251- slice-based parallel H.264 decoding
bf4a1f17 252- Monkey's Audio demuxer and decoder
8787d837 253- AMV audio and video decoder
fc4cbc16 254- DNxHD encoder
d6c52130 255- H.264 PAFF decoding
636b13c5 256- Nellymoser ASAO decoder
66f7679c 257- Beam Software SIFF demuxer and decoder
f9def9cc 258- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 259- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 260- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 261- The "device" muxers and demuxers are now in a new libavdevice library
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262- PC Paintbrush PCX decoder
263- Sun Rasterfile decoder
920d3609 264- TechnoTrend PVA demuxer
77c1d04d 265- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 266- AVM2 (Flash 9) SWF muxer
9dc92a38 267- QT variant of IMA ADPCM encoder
39fc859e 268- VFW grabber
58cf42fa 269- iPod/iPhone compatible mp4 muxer
a7129de5 270- Mimic decoder
0f3444e1 271- MSN TCP Webcam stream demuxer
86b3cf7c 272- RL2 demuxer / decoder
d299be08
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273- IFF demuxer
274- 8SVX audio decoder
b00b15be 275- non-recursive Makefiles
b64c096b 276- BFI demuxer
74118c07 277- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 278- BFI video decoder
ea662534 279- OMA demuxer
b517af05 280- MLP/TrueHD decoder
e1c74782 281- Electronic Arts CMV decoder
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282- Motion Pixels Video decoder
283- Motion Pixels MVI demuxer
e44bbf62 284- removed animated GIF decoder/demuxer
51c3861e 285- D-Cinema audio muxer
cfc78718 286- Electronic Arts TGV decoder
833e90dd 287- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 288- AAC decoder
eb6fc557 289- floating point PCM encoder/decoder
cedebde1 290- MXF muxer
108ab268 291- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 292- E-AC-3 support added to AC-3 decoder
755ba886 293- Nellymoser ASAO encoder
0c86f89a 294- ASS and SSA demuxer and muxer
d8d12c15 295- liba52 wrapper removed
0ac1dc6f 296- SVQ3 watermark decoding support
f6958006 297- Speex decoding via libspeex
42b30357 298- Electronic Arts TGQ decoder
108ab268 299- RV40 decoder
73b458e3 300- QCELP / PureVoice decoder
108ab268 301- RV30 decoder
7906f3ca 302- hybrid WavPack support
7eb68edb 303- R3D REDCODE demuxer
115d095e 304- ALSA support for playback and record
d8964f3a 305- Electronic Arts TQI decoder
9a77d59a 306- OpenJPEG based JPEG 2000 decoder
58cf42fa 307- NC (NC4600) camera file demuxer
865780ae 308- Gopher client support
bd3f81f3 309- MXF D-10 muxer
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310- generic metadata API
311
9d53d58e 312
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313version 0.4.9-pre1:
314
4fa1c4fa 315- DV encoder, DV muxer
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316- Microsoft RLE video decoder
317- Microsoft Video-1 decoder
070ed1bc 318- Apple Animation (RLE) decoder
42cad81a 319- Apple Graphics (SMC) decoder
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320- Apple Video (RPZA) decoder
321- Cinepak decoder
322- Sega FILM (CPK) file demuxer
42cad81a 323- Westwood multimedia support (VQA & AUD files)
4120a53a 324- Id Quake II CIN playback support
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MM
325- 8BPS video decoder
326- FLIC playback support
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327- RealVideo 2.0 (RV20) decoder
328- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 329- Sierra VMD demuxer and video decoder
1defd2a8 330- MSZH and ZLIB decoder support
3b64893d 331- SVQ1 video encoder
1defd2a8 332- AMR-WB support
e0db8cfb 333- PPC optimizations
1defd2a8 334- rate distortion optimal cbp support
e0db8cfb 335- rate distorted optimal ac prediction for MPEG-4
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336- rate distorted optimal lambda->qp support
337- AAC encoding with libfaac
338- Sunplus JPEG codec (SP5X) support
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DB
339- use Lagrange multipler instead of QP for ratecontrol
340- Theora/VP3 decoding support
1defd2a8 341- XA and ADX ADPCM codecs
e0db8cfb 342- export MPEG-2 active display area / pan scan
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343- Add support for configuring with IBM XLC
344- floating point AAN DCT
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345- initial support for zygo video (not complete)
346- RGB ffv1 support
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347- new audio/video parser API
348- av_log() system
349- av_read_frame() and av_seek_frame() support
350- missing last frame fixes
351- seek by mouse in ffplay
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352- noise reduction of DCT coefficients
353- H.263 OBMC & 4MV support
354- H.263 alternative inter vlc support
355- H.263 loop filter
356- H.263 slice structured mode
357- interlaced DCT support for MPEG-2 encoding
1defd2a8 358- stuffing to stay above min_bitrate
e0db8cfb 359- MB type & QP visualization
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360- frame stepping for ffplay
361- interlaced motion estimation
362- alternate scantable support
363- SVCD scan offset support
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364- closed GOP support
365- SSE2 FDCT
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366- quantizer noise shaping
367- G.726 ADPCM audio codec
368- MS ADPCM encoding
369- multithreaded/SMP motion estimation
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370- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
371- multithreaded/SMP decoding for MPEG-2
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372- FLAC decoder
373- Metrowerks CodeWarrior suppport
e0db8cfb 374- H.263+ custom pcf support
1defd2a8 375- nicer output for 'ffmpeg -formats'
e0db8cfb 376- Matroska demuxer
1defd2a8 377- SGI image format, encoding and decoding
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378- H.264 loop filter support
379- H.264 CABAC support
f073a393 380- nicer looking arrows for the motion vector visualization
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381- improved VCD support
382- audio timestamp drift compensation
e0db8cfb 383- MPEG-2 YUV 422/444 support
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384- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
385- better image scaling
e0db8cfb 386- H.261 support
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387- correctly interleave packets during encoding
388- VIS optimized motion compensation
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389- intra_dc_precision>0 encoding support
390- support reuse of motion vectors/MB types/field select values of the source video
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391- more accurate deblock filter
392- padding support
393- many optimizations and bugfixes
055dc116 394- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 395
0ca3e336 396
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397version 0.4.8:
398
e0db8cfb 399- MPEG-2 video encoding (Michael)
d9d8910b 400- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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401- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
402 and Mario Brito)
403- Xan DPCM audio decoder (Mario Brito)
186447f8 404- Interplay MVE playback subsystem (Mike Melanson)
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405- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
406
0ca3e336 407
b17e9c99 408version 0.4.7:
e07702ba 409
e0db8cfb 410- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 411 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 412- current version now also compiles with older GCC (Fabrice)
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413- 4X multimedia playback system including 4xm file demuxer (Mike
414 Melanson), and 4X video and audio codecs (Michael)
415- Creative YUV (CYUV) decoder (Mike Melanson)
416- FFV1 codec (our very simple lossless intra only codec, compresses much better
e0db8cfb
DB
417 than HuffYUV) (Michael)
418- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
419- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
e07702ba
HBH
420 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
421- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 422 for multiplatform support (Fabrice)
e07702ba
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423- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
424 by anonymous
425- AMR format has been added (Johannes Carlsson)
e0db8cfb 426- 3GP support has been added (Johannes Carlsson)
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427- VP3 codec has been added (Mike Melanson)
428- more MPEG-1/2 fixes
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429- better multiplatform support, MS Visual Studio fixes (various)
430- AltiVec optimizations (Magnus Damn and others)
e07702ba 431- SH4 processor support has been added (BERO)
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432- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
433- VOB streaming support (Brian Foley)
434- better MP3 autodetection (Andriy Rysin)
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435- qpel encoding (Michael)
436- 4mv+b frames encoding finally fixed (Michael)
437- chroma ME (Michael)
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438- 5 comparison functions for ME (Michael)
439- B-frame encoding speedup (Michael)
440- WMV2 codec (unfinished - Michael)
d3d10087 441- user specified diamond size for EPZS (Michael)
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442- Playstation STR playback subsystem, still experimental (Mike and Michael)
443- ASV2 codec (Michael)
444- CLJR decoder (Alex)
d3d10087 445
e0db8cfb 446.. And lots more new enhancements and fixes.
e07702ba 447
0ca3e336 448
d3d10087 449version 0.4.6:
739d6efa 450
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DB
451- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
452 from scratch
453- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
454- fix quantization bug in AC3 encoder
455- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
456- added prototype ffplay program
457- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
458- bug fix on MCBPC tables of H.263 (Juanjo)
459- bug fix on DC coefficients of H.263 (Juanjo)
460- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
461- now we can decode H.263 streams found in QuickTime files (Juanjo)
462- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 463- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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DB
464- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
465- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 466- added first regression tests
e0db8cfb 467- added MPEG-2 TS demuxer
a31e01c5 468- new demux API for libav
6d291820 469- more accurate and faster IDCT (Michael)
e0db8cfb 470- faster and entropy-controlled motion search (Michael)
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471- two pass video encoding (Michael)
472- new video rate control (Michael)
473- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
474- great performance improvement of video encoders and decoders (Michael)
475- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 476- high quality encoding mode: tries all macroblock/VLC types (Michael)
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477- added DV video decoder
478- preliminary RTP/RTSP support in ffserver and libavformat
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479- H.263+ AIC decoding/encoding support (Juanjo)
480- VCD MPEG-PS mode (Juanjo)
481- PSNR stuff (Juanjo)
482- simple stats output (Juanjo)
483- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 484
0ca3e336 485
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486version 0.4.5:
487
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488- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
489- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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490- added configure system (actually a small shell script)
491- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 492 Michael Hipp (temporary solution - waiting for integer only
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493 decoder)
494- fixed VIDIOCSYNC interrupt
495- added Intel H.263 decoding support ('I263' AVI fourCC)
496- added Real Video 1.0 decoding (needs further testing)
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497- simplified image formats again. Added PGM format (=grey
498 pgm). Renamed old PGM to PGMYUV.
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499- fixed msmpeg4 slice issues (tell me if you still find problems)
500- fixed OpenDivX bugs with newer versions (added VOL header decoding)
501- added support for MPlayer interface
502- added macroblock skip optimization
503- added MJPEG decoder
504- added mmx/mmxext IDCT from libmpeg2
0c1e384c 505- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 506 <celer at shell.scrypt.net>)
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507- added pixel format conversion layer (e.g. for MJPEG or PPM)
508- added deinterlacing option
509- MPEG-1/2 fixes
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510- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
511- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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512- Windows porting of file converter
513- added MJPEG raw format (input/ouput)
514- added JPEG image format support (input/output)
de6d9b64 515
0ca3e336 516
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517version 0.4.4:
518
519- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 520 <bjorn.e.lindgren at telia.com>).
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521- added MPEG demuxer (MPEG-1 and 2 compatible).
522- added ASF demuxer
523- added prototype RM demuxer
524- added AC3 decoding (done with libac3 by Aaron Holtzman)
525- added decoding codec parameter guessing (.e.g. for MPEG, because the
526 header does not include them)
527- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
528 play them (only tested video)
529- fixed H.263 white bug
530- fixed phase rounding in img resample filter
531- add MMX code for polyphase img resample filter
532- added CPU autodetection
533- added generic title/author/copyright/comment string handling (ASF and RM
534 use them)
de6d9b64 535- added SWF demux to extract MP3 track (not usable yet because no MP3
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536 decoder)
537- added fractional frame rate support
de6d9b64 538- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 539 segfault)
de6d9b64 540
0ca3e336 541
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542version 0.4.3:
543
dd5cf2ad 544- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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545- fixed raw yuv output
546- added motion rounding support in MPEG-4
547- fixed motion bug rounding in MSMPEG4
548- added B-frame handling in video core
549- added full MPEG-1 decoding support
550- added partial (frame only) MPEG-2 support
de6d9b64 551- changed the FOURCC code for H.263 to "U263" to be able to see the
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552 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
553 this +codec ;) (JuanJo).
554- Halfpel motion estimation after MB type selection (JuanJo)
555- added pgm and .Y.U.V output format
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556- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
557 output.
558- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 559 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 560 instead of a protocol)
de6d9b64 561
0ca3e336 562
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563version 0.4.2:
564
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565- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
566 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 567 missing. MSMPEG4 support is complete.
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568- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
569 can decode ffmpeg MPEGs :-)).
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570- added libavcodec API documentation (see apiexample.c).
571- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 572 greenish)
de6d9b64 573- added support for non clipped motion vectors (decoding only)
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574 and image sizes non-multiple of 16
575- added support for AC prediction (decoding only)
576- added file overwrite confirmation (can be disabled with -y)
577- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 578
0ca3e336 579
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580version 0.4.1:
581
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582- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
583 of AVI and ASF to DIV3.
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584- added -me option to set motion estimation method
585 (default=log). suppressed redundant -hq option.
586- added options -acodec and -vcodec to force a given codec (useful for
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587 AVI for example)
588- fixed -an option
589- improved dct_quantize speed
590- factorized some motion estimation code
de6d9b64 591
0ca3e336 592
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593version 0.4.0:
594
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595- removing grab code from ffserver and moved it to ffmpeg. Added
596 multistream support to ffmpeg.
de6d9b64 597- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 598 URL)
de6d9b64 599- added high quality image resize code with polyphase filter (need
56cc85a0 600 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 601- added multi live feed support in ffserver
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602- suppressed master feature from ffserver (it should be done with an
603 external program which opens the .ffm url and writes it to another
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604 ffserver)
605- added preliminary support for video stream parsing (WAV and AVI half
606 done). Added proper support for audio/video file conversion in
de6d9b64 607 ffmpeg.
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608- added preliminary support for video file sending from ffserver
609- redesigning I/O subsystem: now using URL based input and output
610 (see avio.h)
611- added WAV format support
612- added "tty user interface" to ffmpeg to stop grabbing gracefully
613- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 614 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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615- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
616- added new motion estimation algorithms, log and phods (Juanjo)
617- changed directories: libav for format handling, libavcodec for
618 codecs
de6d9b64 619
0ca3e336 620
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621version 0.3.4:
622
e0db8cfb 623- added stereo in MPEG audio encoder
de6d9b64 624
0ca3e336 625
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626version 0.3.3:
627
628- added 'high quality' mode which use motion vectors. It can be used in
629 real time at low resolution.
630- fixed rounding problems which caused quality problems at high
e0db8cfb 631 bitrates and large GOP size
de6d9b64 632
0ca3e336 633
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634version 0.3.2: small fixes
635
e0db8cfb 636- ASF fixes
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637- put_seek bug fix
638
0ca3e336 639
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640version 0.3.1: added avi/divx support
641
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642- added AVI support
643- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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644- added sound for flash format (not tested)
645
0ca3e336 646
de6d9b64 647version 0.3: initial public release