add Flash Screen Video 2 decoder
[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
a4ad9438
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5version <next>:
6- BWF muxer
c2d23309 7- Flash Screen Video 2 decoder
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8
9
bed31c7e 10version 0.7:
2db272e9 11
aa47c35d 12- E-AC-3 audio encoder
b95d19b0 13- ac3enc: add channel coupling support
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14- floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
15- H.264/MPEG frame-level multithreading
16- av_metadata_* functions renamed to av_dict_* and moved to libavutil
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17- 4:4:4 H.264 decoding support
18- 10-bit H.264 optimizations for x86
b047941d 19- bump libswscale for recently reported ABI break
aa47c35d 20
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21
22version 0.7_beta2:
23
b047941d 24- VP8 frame-level multithreading
bed31c7e 25- NEON optimizations for VP8
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26- removed a lot of deprecated API cruft
27- FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
e27ce0ee 28- DPX image encoder
9aa91043 29- SMPTE 302M AES3 audio decoder
b047941d 30- ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
bed31c7e 31- 9bit and 10bit per sample support in the H.264 decoder
e27ce0ee 32
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33
34version 0.7_beta1:
35
316d6c15 36- WebM support in Matroska de/muxer
21d52447 37- low overhead Ogg muxing
a2403986 38- MMS-TCP support
ee0e9146 39- VP8 de/encoding via libvpx
173bb37f 40- Demuxer for On2's IVF format
a526d619 41- Pictor/PC Paint decoder
a2063901 42- HE-AAC v2 decoder
41f91b5f 43- libfaad2 wrapper removed
e83aed04 44- DTS-ES extension (XCh) decoding support
db7d307f 45- native VP8 decoder
680b2321 46- RTSP tunneling over HTTP
4449df6b 47- RTP depacketization of SVQ3
2d525ef4 48- -strict inofficial replaced by -strict unofficial
066ce8c9 49- ffplay -exitonkeydown and -exitonmousedown options added
b576934d 50- native GSM / GSM MS decoder
a59096e4 51- RTP depacketization of QDM2
5a717094 52- ANSI/ASCII art playback system
e8723e24 53- Lego Mindstorms RSO de/muxer
ba2c508d 54- SubRip subtitle file muxer and demuxer
de295976 55- Chinese AVS encoding via libxavs
530bbe96 56- ffprobe -show_packets option added
91af5601 57- RTP packetization of Theora and Vorbis
1ddc176e 58- RTP depacketization of MP4A-LATM
51291e60 59- RTP packetization and depacketization of VP8
a1e171df 60- hflip filter
cd223e0b 61- Apple HTTP Live Streaming demuxer
7f50caa7 62- a64 codec
b8521394 63- MMS-HTTP support
21e681ba 64- G.722 ADPCM audio encoder/decoder
43836928 65- R10k video decoder
6ebf0bfc 66- ocv_smooth filter
47941088 67- frei0r wrapper filter
2bc05d35 68- change crop filter syntax to width:height:x:y
75b67a8a 69- make the crop filter accept parametric expressions
6afd569e 70- make ffprobe accept AVFormatContext options
5900deeb 71- yadif filter
13fabd7a 72- blackframe filter
8878e3b2 73- Demuxer for Leitch/Harris' VR native stream format (LXF)
3ece3e4c 74- RTP depacketization of the X-QT QuickTime format
01c8d258 75- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
68b79bfc 76- cropdetect filter
5879ea6d 77- ffmpeg -crop* options removed
43945b27 78- transpose filter added
4ad08021 79- ffmpeg -force_key_frames option added
44594cc7 80- demuxer for receiving raw rtp:// URLs without an SDP description
136e19e1 81- single stream LATM/LOAS decoder
a532bb39 82- setpts filter added
b047941d 83- Win64 support for optimized x86 assembly functions
ba83c4bf 84- MJPEG/AVI1 to JPEG/JFIF bitstream filter
c99f9b0a 85- ASS subtitle encoder and decoder
b047941d 86- IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
58935b25 87- overlay filter added
2fb21bf4 88- rename aspect filter to setdar, and pixelaspect to setsar
3b39e273 89- IEC 61937 demuxer
9d09ebf1 90- Mobotix .mxg demuxer
f8608dca 91- frei0r source added
a4dc7aa5 92- hqdn3d filter added
35014efc 93- RTP depacketization of QCELP
475ae04a 94- FLAC parser added
d5f187fd 95- gradfun filter added
2b2a597e 96- AMR-WB decoder
3579b405 97- replace the ocv_smooth filter with a more generic ocv filter
82ca054a 98- Windows Televison (WTV) demuxer
fd5b124d 99- FFmpeg metadata format muxer and demuxer
2c77c906 100- SubRip (srt) subtitle decoder
6fd96d1a 101- floating-point AC-3 encoder added
d267b339 102- Lagarith decoder
fbd56159 103- ffmpeg -copytb option added
54bc6403 104- IVF muxer added
44ddfd47 105- Wing Commander IV movies decoder added
9409c381 106- movie source added
ccfcddb3 107- Bink version 'b' audio and video decoder
402f9ad5 108- Bitmap Brothers JV playback system
dc6fdad5 109- Apple HTTP Live Streaming protocol handler
15d59d2c 110- sndio support for playback and record
c6f95144 111- Linux framebuffer input device added
42315dab 112- Chronomaster DFA decoder
ce02f9be 113- Mobotix MxPEG decoder
d89e738a 114- AAC encoding via libvo-aacenc
f502ff3f 115- AMR-WB encoding via libvo-amrwbenc
ad4c5034 116- xWMA demuxer
2f84bb42 117- fieldorder video filter added
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118
119
120version 0.6:
121
2db272e9 122- PB-frame decoding for H.263
b11163c8 123- deprecated vhook subsystem removed
3444c914 124- deprecated old scaler removed
616e899c 125- VQF demuxer
b3b5946c 126- Alpha channel scaler
effcedf7 127- PCX encoder
9edfaf3c 128- RTP packetization of H.263
08e696c0 129- RTP packetization of AMR
e6327fba 130- RTP depacketization of Vorbis
e9356be5 131- CorePNG decoding support
9189d7eb 132- Cook multichannel decoding support
276f8e2b 133- introduced avlanguage helpers in libavformat
f0b19bd3 134- 8088flex TMV demuxer and decoder
5f1ac36d 135- per-stream language-tags extraction in asfdec
ca0bb1c4 136- V210 decoder and encoder
de08ebe3 137- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 138- QCP demuxer
cbfe5bee 139- SoX native format muxer and demuxer
0b175caa 140- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 141- DPX image decoder
c63ea92b 142- Electronic Arts Madcow decoder
a4276ba2 143- DivX (XSUB) subtitle encoder
0a4a0aa7 144- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 145- experimental AAC encoder
c2f3eec4 146- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 147- RTMP support in libavformat
3106f489 148- noX handling for OPT_BOOL X options
740e89cf 149- Wave64 demuxer
ab1eff9c 150- IEC-61937 compatible Muxer
7bd47335 151- TwinVQ decoder
c58b82a2 152- Bluray (PGS) subtitle decoder
5dd3707b 153- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 154- WMA Pro decoder
5f14b565 155- Core Audio Format demuxer
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156- Atrac1 decoder
157- MD STUDIO audio demuxer
811e0fc2 158- RF64 support in WAV demuxer
99971952 159- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 160- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 161- IV8 demuxer
a3d995c1 162- CDG demuxer and decoder
4aaab0a3 163- R210 decoder
ce293510 164- Auravision Aura 1 and 2 decoders
e6565055 165- Deluxe Paint Animation playback system
d140b025 166- SIPR decoder
83ab7f18 167- Adobe Filmstrip muxer and demuxer
45aa9080 168- RTP depacketization of H.263
342c7dfd 169- Bink demuxer and audio/video decoders
4ebaec79 170- enable symbol versioning by default for linkers that support it
b9e06ddd 171- IFF PBM/ILBM bitmap decoder
084eb95f 172- concat protocol
5bebe94d 173- Indeo 5 decoder
556aa7a1 174- RTP depacketization of AMR
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175- WMA Voice decoder
176- ffprobe tool
4fe3edaa 177- AMR-NB decoder
6f5a3d0a 178- RTSP muxer
ed492b61 179- HE-AAC v1 decoder
bf354122 180- Kega Game Video (KGV1) decoder
59b4b540 181- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 182- RTP depacketization of Theora
b26708d5 183- HTTP Digest authentication
0f943ce6 184- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 185- Psygnosis YOP demuxer and video decoder
ca6e7708 186- spectral extension support in the E-AC-3 decoder
ac1c9564 187- unsharp video filter
910cde56 188- RTP hinting in the mov/3gp/mp4 muxer
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189- Dirac in Ogg demuxing
190- seek to keyframes in Ogg
191- 4:2:2 and 4:4:4 Theora decoding
192- 35% faster VP3/Theora decoding
193- faster AAC decoding
194- faster H.264 decoding
d31ba231 195- RealAudio 1.0 (14.4K) encoder
de08ebe3 196
2db272e9 197
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198version 0.5:
199
06ab9cff 200- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 201- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 202- IBM Ultimotion (ULTI) video decoder
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203- Sierra Online audio file demuxer and decoder
204- Apple QuickDraw (qdrw) video decoder
22052247 205- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 206- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 207- Miro VideoXL (VIXL) video decoder
b06b45c4 208- H.261 video encoder
acfd8f0f 209- QPEG video decoder
353147ed 210- Nullsoft Video (NSV) file demuxer
13dfd2b9 211- Shorten audio decoder
9c7fb608 212- LOCO video decoder
115329f1 213- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 214- Winnov WNV1 video decoder
589f8220 215- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 216- Indeo 2 video decoder
b81f8949 217- Fraps FPS1 video decoder
e0db8cfb 218- Snow video encoder/decoder
af4ca324 219- Sonic audio encoder/decoder
108ab268 220- Vorbis audio decoder
af4ca324 221- Macromedia ADPCM decoder
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222- Duck TrueMotion 2 video decoder
223- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 224- H.264 custom quantization matrices support
a8289180 225- ffserver fixed, it should now be usable again
8d1018bf 226- QDM2 audio decoder
8a2d410e 227- Real Cooker audio decoder
bf3027c8 228- TrueSpeech audio decoder
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229- WMA2 audio decoder fixed, now all files should play correctly
230- RealAudio 14.4 and 28.8 decoders fixed
108ab268 231- JPEG-LS decoder
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232- build system improvements
233- tabs and trailing whitespace removed from the codebase
108ab268 234- CamStudio video decoder
f11288da 235- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 236- ADTS AAC file reading and writing
ea395e8c 237- Creative VOC file reading and writing
4e114829 238- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 239- Zip Motion Blocks Video decoder
58cf42fa 240- improved Theora/VP3 decoder
8a2d410e 241- True Audio (TTA) decoder
26376701 242- AVS demuxer and video decoder
108ab268 243- JPEG-LS encoder
348efc18 244- Smacker demuxer and decoder
dfca23e3 245- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 246- KMVC decoder
58cf42fa 247- MPEG-2 intra VLC support
2d974017 248- MPEG-2 4:2:2 encoder
0919e788 249- Flash Screen Video decoder
cc0bc648 250- GXF demuxer
6a09487e 251- Chinese AVS decoder
43dcf590 252- GXF muxer
07bf2af8 253- MXF demuxer
b394e39a 254- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 255- MacIntel support
8ac17293 256- AVISynth support
eb57c889 257- VMware video decoder
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258- VP5 video decoder
259- VP6 video decoder
730581f3 260- WavPack lossless audio decoder
3689cf16 261- Targa (.TGA) picture decoder
108ab268 262- Vorbis audio encoder
dc56e0de 263- Delphine Software .cin demuxer/audio and video decoder
29f86228 264- Tiertex .seq demuxer/video decoder
f7bc5837 265- MTV demuxer
716222db 266- TIFF picture encoder and decoder
06d392a7 267- GIF picture decoder
58cf42fa 268- Intel Music Coder decoder
6a7d2c3d 269- Zip Motion Blocks Video encoder
185c7b6b 270- Musepack decoder
8adc51f2 271- Flash Screen Video encoder
150d2772 272- Theora encoding via libtheora
52548eee 273- BMP encoder
039cd4a7 274- WMA encoder
346a655d 275- GSM-MS encoder and decoder
01ca9ac3 276- DCA decoder
33a0dd37 277- DXA demuxer and decoder
52b6bad2 278- DNxHD decoder
efb0c399 279- Gamecube movie (.THP) playback system
a5fbe001 280- Blackfin optimizations
9a0ddd09 281- Interplay C93 demuxer and video decoder
1e6c6759 282- Bethsoft VID demuxer and video decoder
8e952e4d 283- CRYO APC demuxer
10e26bc7 284- Atrac3 decoder
b46d68c6 285- V.Flash PTX decoder
58cf42fa 286- RoQ muxer, RoQ audio encoder
ad39f1a7 287- Renderware TXD demuxer and decoder
4d5588cf 288- extern C declarations for C++ removed from headers
82e60541 289- sws_flags command line option
ddcf4b5d 290- codebook generator
03e3e765 291- RoQ video encoder
d3b7406c 292- QTRLE encoder
d22e8442 293- OS/2 support removed and restored again
6ea67bbb 294- AC-3 decoder
58cf42fa 295- NUT muxer
108ab268 296- additional SPARC (VIS) optimizations
e09f7d61 297- Matroska muxer
58cf42fa 298- slice-based parallel H.264 decoding
bf4a1f17 299- Monkey's Audio demuxer and decoder
8787d837 300- AMV audio and video decoder
fc4cbc16 301- DNxHD encoder
d6c52130 302- H.264 PAFF decoding
636b13c5 303- Nellymoser ASAO decoder
66f7679c 304- Beam Software SIFF demuxer and decoder
f9def9cc 305- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 306- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 307- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 308- The "device" muxers and demuxers are now in a new libavdevice library
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309- PC Paintbrush PCX decoder
310- Sun Rasterfile decoder
920d3609 311- TechnoTrend PVA demuxer
77c1d04d 312- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 313- AVM2 (Flash 9) SWF muxer
9dc92a38 314- QT variant of IMA ADPCM encoder
39fc859e 315- VFW grabber
58cf42fa 316- iPod/iPhone compatible mp4 muxer
a7129de5 317- Mimic decoder
0f3444e1 318- MSN TCP Webcam stream demuxer
86b3cf7c 319- RL2 demuxer / decoder
d299be08
JM
320- IFF demuxer
321- 8SVX audio decoder
b00b15be 322- non-recursive Makefiles
b64c096b 323- BFI demuxer
74118c07 324- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 325- BFI video decoder
ea662534 326- OMA demuxer
b517af05 327- MLP/TrueHD decoder
e1c74782 328- Electronic Arts CMV decoder
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329- Motion Pixels Video decoder
330- Motion Pixels MVI demuxer
e44bbf62 331- removed animated GIF decoder/demuxer
51c3861e 332- D-Cinema audio muxer
cfc78718 333- Electronic Arts TGV decoder
833e90dd 334- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 335- AAC decoder
eb6fc557 336- floating point PCM encoder/decoder
cedebde1 337- MXF muxer
108ab268 338- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 339- E-AC-3 support added to AC-3 decoder
755ba886 340- Nellymoser ASAO encoder
0c86f89a 341- ASS and SSA demuxer and muxer
d8d12c15 342- liba52 wrapper removed
0ac1dc6f 343- SVQ3 watermark decoding support
f6958006 344- Speex decoding via libspeex
42b30357 345- Electronic Arts TGQ decoder
108ab268 346- RV40 decoder
73b458e3 347- QCELP / PureVoice decoder
108ab268 348- RV30 decoder
7906f3ca 349- hybrid WavPack support
7eb68edb 350- R3D REDCODE demuxer
115d095e 351- ALSA support for playback and record
d8964f3a 352- Electronic Arts TQI decoder
9a77d59a 353- OpenJPEG based JPEG 2000 decoder
58cf42fa 354- NC (NC4600) camera file demuxer
865780ae 355- Gopher client support
bd3f81f3 356- MXF D-10 muxer
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357- generic metadata API
358
9d53d58e 359
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360version 0.4.9-pre1:
361
4fa1c4fa 362- DV encoder, DV muxer
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363- Microsoft RLE video decoder
364- Microsoft Video-1 decoder
070ed1bc 365- Apple Animation (RLE) decoder
42cad81a 366- Apple Graphics (SMC) decoder
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367- Apple Video (RPZA) decoder
368- Cinepak decoder
369- Sega FILM (CPK) file demuxer
42cad81a 370- Westwood multimedia support (VQA & AUD files)
4120a53a 371- Id Quake II CIN playback support
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372- 8BPS video decoder
373- FLIC playback support
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374- RealVideo 2.0 (RV20) decoder
375- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 376- Sierra VMD demuxer and video decoder
1defd2a8 377- MSZH and ZLIB decoder support
3b64893d 378- SVQ1 video encoder
1defd2a8 379- AMR-WB support
e0db8cfb 380- PPC optimizations
1defd2a8 381- rate distortion optimal cbp support
e0db8cfb 382- rate distorted optimal ac prediction for MPEG-4
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383- rate distorted optimal lambda->qp support
384- AAC encoding with libfaac
385- Sunplus JPEG codec (SP5X) support
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386- use Lagrange multipler instead of QP for ratecontrol
387- Theora/VP3 decoding support
1defd2a8 388- XA and ADX ADPCM codecs
e0db8cfb 389- export MPEG-2 active display area / pan scan
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390- Add support for configuring with IBM XLC
391- floating point AAN DCT
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DB
392- initial support for zygo video (not complete)
393- RGB ffv1 support
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394- new audio/video parser API
395- av_log() system
396- av_read_frame() and av_seek_frame() support
397- missing last frame fixes
398- seek by mouse in ffplay
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399- noise reduction of DCT coefficients
400- H.263 OBMC & 4MV support
401- H.263 alternative inter vlc support
402- H.263 loop filter
403- H.263 slice structured mode
404- interlaced DCT support for MPEG-2 encoding
1defd2a8 405- stuffing to stay above min_bitrate
e0db8cfb 406- MB type & QP visualization
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407- frame stepping for ffplay
408- interlaced motion estimation
409- alternate scantable support
410- SVCD scan offset support
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411- closed GOP support
412- SSE2 FDCT
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413- quantizer noise shaping
414- G.726 ADPCM audio codec
415- MS ADPCM encoding
416- multithreaded/SMP motion estimation
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417- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
418- multithreaded/SMP decoding for MPEG-2
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419- FLAC decoder
420- Metrowerks CodeWarrior suppport
e0db8cfb 421- H.263+ custom pcf support
1defd2a8 422- nicer output for 'ffmpeg -formats'
e0db8cfb 423- Matroska demuxer
1defd2a8 424- SGI image format, encoding and decoding
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425- H.264 loop filter support
426- H.264 CABAC support
f073a393 427- nicer looking arrows for the motion vector visualization
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428- improved VCD support
429- audio timestamp drift compensation
e0db8cfb 430- MPEG-2 YUV 422/444 support
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431- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
432- better image scaling
e0db8cfb 433- H.261 support
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434- correctly interleave packets during encoding
435- VIS optimized motion compensation
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436- intra_dc_precision>0 encoding support
437- support reuse of motion vectors/MB types/field select values of the source video
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438- more accurate deblock filter
439- padding support
440- many optimizations and bugfixes
055dc116 441- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 442
0ca3e336 443
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444version 0.4.8:
445
e0db8cfb 446- MPEG-2 video encoding (Michael)
d9d8910b 447- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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MM
448- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
449 and Mario Brito)
450- Xan DPCM audio decoder (Mario Brito)
186447f8 451- Interplay MVE playback subsystem (Mike Melanson)
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452- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
453
0ca3e336 454
b17e9c99 455version 0.4.7:
e07702ba 456
e0db8cfb 457- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 458 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 459- current version now also compiles with older GCC (Fabrice)
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460- 4X multimedia playback system including 4xm file demuxer (Mike
461 Melanson), and 4X video and audio codecs (Michael)
462- Creative YUV (CYUV) decoder (Mike Melanson)
463- FFV1 codec (our very simple lossless intra only codec, compresses much better
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DB
464 than HuffYUV) (Michael)
465- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
466- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
e07702ba
HBH
467 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
468- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 469 for multiplatform support (Fabrice)
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HBH
470- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
471 by anonymous
472- AMR format has been added (Johannes Carlsson)
e0db8cfb 473- 3GP support has been added (Johannes Carlsson)
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474- VP3 codec has been added (Mike Melanson)
475- more MPEG-1/2 fixes
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476- better multiplatform support, MS Visual Studio fixes (various)
477- AltiVec optimizations (Magnus Damn and others)
e07702ba 478- SH4 processor support has been added (BERO)
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479- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
480- VOB streaming support (Brian Foley)
481- better MP3 autodetection (Andriy Rysin)
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482- qpel encoding (Michael)
483- 4mv+b frames encoding finally fixed (Michael)
484- chroma ME (Michael)
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DB
485- 5 comparison functions for ME (Michael)
486- B-frame encoding speedup (Michael)
487- WMV2 codec (unfinished - Michael)
d3d10087 488- user specified diamond size for EPZS (Michael)
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489- Playstation STR playback subsystem, still experimental (Mike and Michael)
490- ASV2 codec (Michael)
491- CLJR decoder (Alex)
d3d10087 492
e0db8cfb 493.. And lots more new enhancements and fixes.
e07702ba 494
0ca3e336 495
d3d10087 496version 0.4.6:
739d6efa 497
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498- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
499 from scratch
500- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
501- fix quantization bug in AC3 encoder
502- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
503- added prototype ffplay program
504- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
505- bug fix on MCBPC tables of H.263 (Juanjo)
506- bug fix on DC coefficients of H.263 (Juanjo)
507- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
508- now we can decode H.263 streams found in QuickTime files (Juanjo)
509- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 510- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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511- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
512- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 513- added first regression tests
e0db8cfb 514- added MPEG-2 TS demuxer
a31e01c5 515- new demux API for libav
6d291820 516- more accurate and faster IDCT (Michael)
e0db8cfb 517- faster and entropy-controlled motion search (Michael)
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518- two pass video encoding (Michael)
519- new video rate control (Michael)
520- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
521- great performance improvement of video encoders and decoders (Michael)
522- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 523- high quality encoding mode: tries all macroblock/VLC types (Michael)
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524- added DV video decoder
525- preliminary RTP/RTSP support in ffserver and libavformat
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526- H.263+ AIC decoding/encoding support (Juanjo)
527- VCD MPEG-PS mode (Juanjo)
528- PSNR stuff (Juanjo)
529- simple stats output (Juanjo)
530- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 531
0ca3e336 532
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533version 0.4.5:
534
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535- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
536- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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537- added configure system (actually a small shell script)
538- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 539 Michael Hipp (temporary solution - waiting for integer only
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540 decoder)
541- fixed VIDIOCSYNC interrupt
542- added Intel H.263 decoding support ('I263' AVI fourCC)
543- added Real Video 1.0 decoding (needs further testing)
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544- simplified image formats again. Added PGM format (=grey
545 pgm). Renamed old PGM to PGMYUV.
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546- fixed msmpeg4 slice issues (tell me if you still find problems)
547- fixed OpenDivX bugs with newer versions (added VOL header decoding)
548- added support for MPlayer interface
549- added macroblock skip optimization
550- added MJPEG decoder
551- added mmx/mmxext IDCT from libmpeg2
0c1e384c 552- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 553 <celer at shell.scrypt.net>)
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554- added pixel format conversion layer (e.g. for MJPEG or PPM)
555- added deinterlacing option
556- MPEG-1/2 fixes
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557- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
558- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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559- Windows porting of file converter
560- added MJPEG raw format (input/ouput)
561- added JPEG image format support (input/output)
de6d9b64 562
0ca3e336 563
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564version 0.4.4:
565
566- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 567 <bjorn.e.lindgren at telia.com>).
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568- added MPEG demuxer (MPEG-1 and 2 compatible).
569- added ASF demuxer
570- added prototype RM demuxer
571- added AC3 decoding (done with libac3 by Aaron Holtzman)
572- added decoding codec parameter guessing (.e.g. for MPEG, because the
573 header does not include them)
574- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
575 play them (only tested video)
576- fixed H.263 white bug
577- fixed phase rounding in img resample filter
578- add MMX code for polyphase img resample filter
579- added CPU autodetection
580- added generic title/author/copyright/comment string handling (ASF and RM
581 use them)
de6d9b64 582- added SWF demux to extract MP3 track (not usable yet because no MP3
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583 decoder)
584- added fractional frame rate support
de6d9b64 585- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 586 segfault)
de6d9b64 587
0ca3e336 588
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589version 0.4.3:
590
dd5cf2ad 591- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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592- fixed raw yuv output
593- added motion rounding support in MPEG-4
594- fixed motion bug rounding in MSMPEG4
595- added B-frame handling in video core
596- added full MPEG-1 decoding support
597- added partial (frame only) MPEG-2 support
de6d9b64 598- changed the FOURCC code for H.263 to "U263" to be able to see the
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599 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
600 this +codec ;) (JuanJo).
601- Halfpel motion estimation after MB type selection (JuanJo)
602- added pgm and .Y.U.V output format
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603- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
604 output.
605- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 606 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 607 instead of a protocol)
de6d9b64 608
0ca3e336 609
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610version 0.4.2:
611
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612- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
613 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 614 missing. MSMPEG4 support is complete.
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615- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
616 can decode ffmpeg MPEGs :-)).
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617- added libavcodec API documentation (see apiexample.c).
618- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 619 greenish)
de6d9b64 620- added support for non clipped motion vectors (decoding only)
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621 and image sizes non-multiple of 16
622- added support for AC prediction (decoding only)
623- added file overwrite confirmation (can be disabled with -y)
624- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 625
0ca3e336 626
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627version 0.4.1:
628
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629- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
630 of AVI and ASF to DIV3.
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631- added -me option to set motion estimation method
632 (default=log). suppressed redundant -hq option.
633- added options -acodec and -vcodec to force a given codec (useful for
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634 AVI for example)
635- fixed -an option
636- improved dct_quantize speed
637- factorized some motion estimation code
de6d9b64 638
0ca3e336 639
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640version 0.4.0:
641
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642- removing grab code from ffserver and moved it to ffmpeg. Added
643 multistream support to ffmpeg.
de6d9b64 644- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 645 URL)
de6d9b64 646- added high quality image resize code with polyphase filter (need
56cc85a0 647 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 648- added multi live feed support in ffserver
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649- suppressed master feature from ffserver (it should be done with an
650 external program which opens the .ffm url and writes it to another
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651 ffserver)
652- added preliminary support for video stream parsing (WAV and AVI half
653 done). Added proper support for audio/video file conversion in
de6d9b64 654 ffmpeg.
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655- added preliminary support for video file sending from ffserver
656- redesigning I/O subsystem: now using URL based input and output
657 (see avio.h)
658- added WAV format support
659- added "tty user interface" to ffmpeg to stop grabbing gracefully
660- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 661 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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662- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
663- added new motion estimation algorithms, log and phods (Juanjo)
664- changed directories: libav for format handling, libavcodec for
665 codecs
de6d9b64 666
0ca3e336 667
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668version 0.3.4:
669
e0db8cfb 670- added stereo in MPEG audio encoder
de6d9b64 671
0ca3e336 672
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673version 0.3.3:
674
675- added 'high quality' mode which use motion vectors. It can be used in
676 real time at low resolution.
677- fixed rounding problems which caused quality problems at high
e0db8cfb 678 bitrates and large GOP size
de6d9b64 679
0ca3e336 680
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681version 0.3.2: small fixes
682
e0db8cfb 683- ASF fixes
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684- put_seek bug fix
685
0ca3e336 686
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687version 0.3.1: added avi/divx support
688
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689- added AVI support
690- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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691- added sound for flash format (not tested)
692
0ca3e336 693
de6d9b64 694version 0.3: initial public release