lavf: add a forgotten NULL check in convert_format_parameters().
[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
2db272e9
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5version <next>:
6
aa47c35d 7- E-AC-3 audio encoder
b95d19b0
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8- ac3enc: add channel coupling support
9- floating-point sample format support to the ac3, eac3, dca, aac, and vorbis decoders.
10- H264/MPEG frame-level multi-threading
11- All av_metadata_* functions renamed to av_dict_* and moved to libavutil
aa47c35d 12
21bbca5b
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13
14version 0.7_beta2:
15
5efef54e 16- Lots of deprecated API cruft removed
9d35fa52 17- fft and imdct optimizations for AVX (Sandy Bridge) processors
e27ce0ee 18- DPX image encoder
9aa91043 19- SMPTE 302M AES3 audio decoder
8fb566fd 20- Remove support for quitting ffmpeg with 'q', ctrl+c should be used.
21bbca5b 21- 9bit and 10bit per sample support in the h264 decoder
e27ce0ee 22
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23
24version 0.7_beta1:
25
316d6c15 26- WebM support in Matroska de/muxer
21d52447 27- low overhead Ogg muxing
a2403986 28- MMS-TCP support
ee0e9146 29- VP8 de/encoding via libvpx
173bb37f 30- Demuxer for On2's IVF format
a526d619 31- Pictor/PC Paint decoder
a2063901 32- HE-AAC v2 decoder
41f91b5f 33- libfaad2 wrapper removed
e83aed04 34- DTS-ES extension (XCh) decoding support
db7d307f 35- native VP8 decoder
680b2321 36- RTSP tunneling over HTTP
4449df6b 37- RTP depacketization of SVQ3
2d525ef4 38- -strict inofficial replaced by -strict unofficial
066ce8c9 39- ffplay -exitonkeydown and -exitonmousedown options added
b576934d 40- native GSM / GSM MS decoder
a59096e4 41- RTP depacketization of QDM2
5a717094 42- ANSI/ASCII art playback system
e8723e24 43- Lego Mindstorms RSO de/muxer
ba2c508d 44- SubRip subtitle file muxer and demuxer
de295976 45- Chinese AVS encoding via libxavs
530bbe96 46- ffprobe -show_packets option added
91af5601 47- RTP packetization of Theora and Vorbis
1ddc176e 48- RTP depacketization of MP4A-LATM
51291e60 49- RTP packetization and depacketization of VP8
a1e171df 50- hflip filter
cd223e0b 51- Apple HTTP Live Streaming demuxer
7f50caa7 52- a64 codec
b8521394 53- MMS-HTTP support
21e681ba 54- G.722 ADPCM audio encoder/decoder
43836928 55- R10k video decoder
6ebf0bfc 56- ocv_smooth filter
47941088 57- frei0r wrapper filter
2bc05d35 58- change crop filter syntax to width:height:x:y
75b67a8a 59- make the crop filter accept parametric expressions
6afd569e 60- make ffprobe accept AVFormatContext options
5900deeb 61- yadif filter
13fabd7a 62- blackframe filter
8878e3b2 63- Demuxer for Leitch/Harris' VR native stream format (LXF)
3ece3e4c 64- RTP depacketization of the X-QT QuickTime format
01c8d258 65- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
68b79bfc 66- cropdetect filter
5879ea6d 67- ffmpeg -crop* options removed
43945b27 68- transpose filter added
4ad08021 69- ffmpeg -force_key_frames option added
44594cc7 70- demuxer for receiving raw rtp:// URLs without an SDP description
136e19e1 71- single stream LATM/LOAS decoder
a532bb39 72- setpts filter added
61b1f0f9 73- Win64 support for optimized asm functions
ba83c4bf 74- MJPEG/AVI1 to JPEG/JFIF bitstream filter
c99f9b0a 75- ASS subtitle encoder and decoder
482d98f6 76- IEC 61937 encapsulation for E-AC3, TrueHD, DTS-HD (for HDMI passthrough)
58935b25 77- overlay filter added
2fb21bf4 78- rename aspect filter to setdar, and pixelaspect to setsar
3b39e273 79- IEC 61937 demuxer
9d09ebf1 80- Mobotix .mxg demuxer
f8608dca 81- frei0r source added
a4dc7aa5 82- hqdn3d filter added
35014efc 83- RTP depacketization of QCELP
475ae04a 84- FLAC parser added
d5f187fd 85- gradfun filter added
2b2a597e 86- AMR-WB decoder
3579b405 87- replace the ocv_smooth filter with a more generic ocv filter
82ca054a 88- Windows Televison (WTV) demuxer
fd5b124d 89- FFmpeg metadata format muxer and demuxer
2c77c906 90- SubRip (srt) subtitle decoder
6fd96d1a 91- floating-point AC-3 encoder added
d267b339 92- Lagarith decoder
fbd56159 93- ffmpeg -copytb option added
54bc6403 94- IVF muxer added
44ddfd47 95- Wing Commander IV movies decoder added
9409c381 96- movie source added
ccfcddb3 97- Bink version 'b' audio and video decoder
402f9ad5 98- Bitmap Brothers JV playback system
dc6fdad5 99- Apple HTTP Live Streaming protocol handler
15d59d2c 100- sndio support for playback and record
c6f95144 101- Linux framebuffer input device added
42315dab 102- Chronomaster DFA decoder
ce02f9be 103- Mobotix MxPEG decoder
d89e738a 104- AAC encoding via libvo-aacenc
f502ff3f 105- AMR-WB encoding via libvo-amrwbenc
ad4c5034 106- xWMA demuxer
2f84bb42 107- fieldorder video filter added
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108
109
110version 0.6:
111
2db272e9 112- PB-frame decoding for H.263
b11163c8 113- deprecated vhook subsystem removed
3444c914 114- deprecated old scaler removed
616e899c 115- VQF demuxer
b3b5946c 116- Alpha channel scaler
effcedf7 117- PCX encoder
9edfaf3c 118- RTP packetization of H.263
08e696c0 119- RTP packetization of AMR
e6327fba 120- RTP depacketization of Vorbis
e9356be5 121- CorePNG decoding support
9189d7eb 122- Cook multichannel decoding support
276f8e2b 123- introduced avlanguage helpers in libavformat
f0b19bd3 124- 8088flex TMV demuxer and decoder
5f1ac36d 125- per-stream language-tags extraction in asfdec
ca0bb1c4 126- V210 decoder and encoder
de08ebe3 127- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 128- QCP demuxer
cbfe5bee 129- SoX native format muxer and demuxer
0b175caa 130- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 131- DPX image decoder
c63ea92b 132- Electronic Arts Madcow decoder
a4276ba2 133- DivX (XSUB) subtitle encoder
0a4a0aa7 134- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 135- experimental AAC encoder
c2f3eec4 136- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 137- RTMP support in libavformat
3106f489 138- noX handling for OPT_BOOL X options
740e89cf 139- Wave64 demuxer
ab1eff9c 140- IEC-61937 compatible Muxer
7bd47335 141- TwinVQ decoder
c58b82a2 142- Bluray (PGS) subtitle decoder
5dd3707b 143- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 144- WMA Pro decoder
5f14b565 145- Core Audio Format demuxer
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146- Atrac1 decoder
147- MD STUDIO audio demuxer
811e0fc2 148- RF64 support in WAV demuxer
99971952 149- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 150- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 151- IV8 demuxer
a3d995c1 152- CDG demuxer and decoder
4aaab0a3 153- R210 decoder
ce293510 154- Auravision Aura 1 and 2 decoders
e6565055 155- Deluxe Paint Animation playback system
d140b025 156- SIPR decoder
83ab7f18 157- Adobe Filmstrip muxer and demuxer
45aa9080 158- RTP depacketization of H.263
342c7dfd 159- Bink demuxer and audio/video decoders
4ebaec79 160- enable symbol versioning by default for linkers that support it
b9e06ddd 161- IFF PBM/ILBM bitmap decoder
084eb95f 162- concat protocol
5bebe94d 163- Indeo 5 decoder
556aa7a1 164- RTP depacketization of AMR
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165- WMA Voice decoder
166- ffprobe tool
4fe3edaa 167- AMR-NB decoder
6f5a3d0a 168- RTSP muxer
ed492b61 169- HE-AAC v1 decoder
bf354122 170- Kega Game Video (KGV1) decoder
59b4b540 171- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 172- RTP depacketization of Theora
b26708d5 173- HTTP Digest authentication
0f943ce6 174- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 175- Psygnosis YOP demuxer and video decoder
ca6e7708 176- spectral extension support in the E-AC-3 decoder
ac1c9564 177- unsharp video filter
910cde56 178- RTP hinting in the mov/3gp/mp4 muxer
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179- Dirac in Ogg demuxing
180- seek to keyframes in Ogg
181- 4:2:2 and 4:4:4 Theora decoding
182- 35% faster VP3/Theora decoding
183- faster AAC decoding
184- faster H.264 decoding
d31ba231 185- RealAudio 1.0 (14.4K) encoder
de08ebe3 186
2db272e9 187
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188version 0.5:
189
06ab9cff 190- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 191- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 192- IBM Ultimotion (ULTI) video decoder
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193- Sierra Online audio file demuxer and decoder
194- Apple QuickDraw (qdrw) video decoder
22052247 195- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 196- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 197- Miro VideoXL (VIXL) video decoder
b06b45c4 198- H.261 video encoder
acfd8f0f 199- QPEG video decoder
353147ed 200- Nullsoft Video (NSV) file demuxer
13dfd2b9 201- Shorten audio decoder
9c7fb608 202- LOCO video decoder
115329f1 203- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 204- Winnov WNV1 video decoder
589f8220 205- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 206- Indeo 2 video decoder
b81f8949 207- Fraps FPS1 video decoder
e0db8cfb 208- Snow video encoder/decoder
af4ca324 209- Sonic audio encoder/decoder
108ab268 210- Vorbis audio decoder
af4ca324 211- Macromedia ADPCM decoder
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212- Duck TrueMotion 2 video decoder
213- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 214- H.264 custom quantization matrices support
a8289180 215- ffserver fixed, it should now be usable again
8d1018bf 216- QDM2 audio decoder
8a2d410e 217- Real Cooker audio decoder
bf3027c8 218- TrueSpeech audio decoder
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219- WMA2 audio decoder fixed, now all files should play correctly
220- RealAudio 14.4 and 28.8 decoders fixed
108ab268 221- JPEG-LS decoder
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222- build system improvements
223- tabs and trailing whitespace removed from the codebase
108ab268 224- CamStudio video decoder
f11288da 225- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 226- ADTS AAC file reading and writing
ea395e8c 227- Creative VOC file reading and writing
4e114829 228- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 229- Zip Motion Blocks Video decoder
58cf42fa 230- improved Theora/VP3 decoder
8a2d410e 231- True Audio (TTA) decoder
26376701 232- AVS demuxer and video decoder
108ab268 233- JPEG-LS encoder
348efc18 234- Smacker demuxer and decoder
dfca23e3 235- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 236- KMVC decoder
58cf42fa 237- MPEG-2 intra VLC support
2d974017 238- MPEG-2 4:2:2 encoder
0919e788 239- Flash Screen Video decoder
cc0bc648 240- GXF demuxer
6a09487e 241- Chinese AVS decoder
43dcf590 242- GXF muxer
07bf2af8 243- MXF demuxer
b394e39a 244- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 245- MacIntel support
8ac17293 246- AVISynth support
eb57c889 247- VMware video decoder
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248- VP5 video decoder
249- VP6 video decoder
730581f3 250- WavPack lossless audio decoder
3689cf16 251- Targa (.TGA) picture decoder
108ab268 252- Vorbis audio encoder
dc56e0de 253- Delphine Software .cin demuxer/audio and video decoder
29f86228 254- Tiertex .seq demuxer/video decoder
f7bc5837 255- MTV demuxer
716222db 256- TIFF picture encoder and decoder
06d392a7 257- GIF picture decoder
58cf42fa 258- Intel Music Coder decoder
6a7d2c3d 259- Zip Motion Blocks Video encoder
185c7b6b 260- Musepack decoder
8adc51f2 261- Flash Screen Video encoder
150d2772 262- Theora encoding via libtheora
52548eee 263- BMP encoder
039cd4a7 264- WMA encoder
346a655d 265- GSM-MS encoder and decoder
01ca9ac3 266- DCA decoder
33a0dd37 267- DXA demuxer and decoder
52b6bad2 268- DNxHD decoder
efb0c399 269- Gamecube movie (.THP) playback system
a5fbe001 270- Blackfin optimizations
9a0ddd09 271- Interplay C93 demuxer and video decoder
1e6c6759 272- Bethsoft VID demuxer and video decoder
8e952e4d 273- CRYO APC demuxer
10e26bc7 274- Atrac3 decoder
b46d68c6 275- V.Flash PTX decoder
58cf42fa 276- RoQ muxer, RoQ audio encoder
ad39f1a7 277- Renderware TXD demuxer and decoder
4d5588cf 278- extern C declarations for C++ removed from headers
82e60541 279- sws_flags command line option
ddcf4b5d 280- codebook generator
03e3e765 281- RoQ video encoder
d3b7406c 282- QTRLE encoder
d22e8442 283- OS/2 support removed and restored again
6ea67bbb 284- AC-3 decoder
58cf42fa 285- NUT muxer
108ab268 286- additional SPARC (VIS) optimizations
e09f7d61 287- Matroska muxer
58cf42fa 288- slice-based parallel H.264 decoding
bf4a1f17 289- Monkey's Audio demuxer and decoder
8787d837 290- AMV audio and video decoder
fc4cbc16 291- DNxHD encoder
d6c52130 292- H.264 PAFF decoding
636b13c5 293- Nellymoser ASAO decoder
66f7679c 294- Beam Software SIFF demuxer and decoder
f9def9cc 295- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 296- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 297- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 298- The "device" muxers and demuxers are now in a new libavdevice library
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299- PC Paintbrush PCX decoder
300- Sun Rasterfile decoder
920d3609 301- TechnoTrend PVA demuxer
77c1d04d 302- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 303- AVM2 (Flash 9) SWF muxer
9dc92a38 304- QT variant of IMA ADPCM encoder
39fc859e 305- VFW grabber
58cf42fa 306- iPod/iPhone compatible mp4 muxer
a7129de5 307- Mimic decoder
0f3444e1 308- MSN TCP Webcam stream demuxer
86b3cf7c 309- RL2 demuxer / decoder
d299be08
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310- IFF demuxer
311- 8SVX audio decoder
b00b15be 312- non-recursive Makefiles
b64c096b 313- BFI demuxer
74118c07 314- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 315- BFI video decoder
ea662534 316- OMA demuxer
b517af05 317- MLP/TrueHD decoder
e1c74782 318- Electronic Arts CMV decoder
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319- Motion Pixels Video decoder
320- Motion Pixels MVI demuxer
e44bbf62 321- removed animated GIF decoder/demuxer
51c3861e 322- D-Cinema audio muxer
cfc78718 323- Electronic Arts TGV decoder
833e90dd 324- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 325- AAC decoder
eb6fc557 326- floating point PCM encoder/decoder
cedebde1 327- MXF muxer
108ab268 328- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 329- E-AC-3 support added to AC-3 decoder
755ba886 330- Nellymoser ASAO encoder
0c86f89a 331- ASS and SSA demuxer and muxer
d8d12c15 332- liba52 wrapper removed
0ac1dc6f 333- SVQ3 watermark decoding support
f6958006 334- Speex decoding via libspeex
42b30357 335- Electronic Arts TGQ decoder
108ab268 336- RV40 decoder
73b458e3 337- QCELP / PureVoice decoder
108ab268 338- RV30 decoder
7906f3ca 339- hybrid WavPack support
7eb68edb 340- R3D REDCODE demuxer
115d095e 341- ALSA support for playback and record
d8964f3a 342- Electronic Arts TQI decoder
9a77d59a 343- OpenJPEG based JPEG 2000 decoder
58cf42fa 344- NC (NC4600) camera file demuxer
865780ae 345- Gopher client support
bd3f81f3 346- MXF D-10 muxer
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347- generic metadata API
348
9d53d58e 349
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350version 0.4.9-pre1:
351
4fa1c4fa 352- DV encoder, DV muxer
2fdf638b
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353- Microsoft RLE video decoder
354- Microsoft Video-1 decoder
070ed1bc 355- Apple Animation (RLE) decoder
42cad81a 356- Apple Graphics (SMC) decoder
2fdf638b
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357- Apple Video (RPZA) decoder
358- Cinepak decoder
359- Sega FILM (CPK) file demuxer
42cad81a 360- Westwood multimedia support (VQA & AUD files)
4120a53a 361- Id Quake II CIN playback support
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MM
362- 8BPS video decoder
363- FLIC playback support
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364- RealVideo 2.0 (RV20) decoder
365- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 366- Sierra VMD demuxer and video decoder
1defd2a8 367- MSZH and ZLIB decoder support
3b64893d 368- SVQ1 video encoder
1defd2a8 369- AMR-WB support
e0db8cfb 370- PPC optimizations
1defd2a8 371- rate distortion optimal cbp support
e0db8cfb 372- rate distorted optimal ac prediction for MPEG-4
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373- rate distorted optimal lambda->qp support
374- AAC encoding with libfaac
375- Sunplus JPEG codec (SP5X) support
e0db8cfb
DB
376- use Lagrange multipler instead of QP for ratecontrol
377- Theora/VP3 decoding support
1defd2a8 378- XA and ADX ADPCM codecs
e0db8cfb 379- export MPEG-2 active display area / pan scan
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MN
380- Add support for configuring with IBM XLC
381- floating point AAN DCT
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382- initial support for zygo video (not complete)
383- RGB ffv1 support
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384- new audio/video parser API
385- av_log() system
386- av_read_frame() and av_seek_frame() support
387- missing last frame fixes
388- seek by mouse in ffplay
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389- noise reduction of DCT coefficients
390- H.263 OBMC & 4MV support
391- H.263 alternative inter vlc support
392- H.263 loop filter
393- H.263 slice structured mode
394- interlaced DCT support for MPEG-2 encoding
1defd2a8 395- stuffing to stay above min_bitrate
e0db8cfb 396- MB type & QP visualization
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397- frame stepping for ffplay
398- interlaced motion estimation
399- alternate scantable support
400- SVCD scan offset support
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401- closed GOP support
402- SSE2 FDCT
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403- quantizer noise shaping
404- G.726 ADPCM audio codec
405- MS ADPCM encoding
406- multithreaded/SMP motion estimation
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407- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
408- multithreaded/SMP decoding for MPEG-2
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409- FLAC decoder
410- Metrowerks CodeWarrior suppport
e0db8cfb 411- H.263+ custom pcf support
1defd2a8 412- nicer output for 'ffmpeg -formats'
e0db8cfb 413- Matroska demuxer
1defd2a8 414- SGI image format, encoding and decoding
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415- H.264 loop filter support
416- H.264 CABAC support
f073a393 417- nicer looking arrows for the motion vector visualization
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418- improved VCD support
419- audio timestamp drift compensation
e0db8cfb 420- MPEG-2 YUV 422/444 support
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MN
421- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
422- better image scaling
e0db8cfb 423- H.261 support
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MN
424- correctly interleave packets during encoding
425- VIS optimized motion compensation
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DB
426- intra_dc_precision>0 encoding support
427- support reuse of motion vectors/MB types/field select values of the source video
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428- more accurate deblock filter
429- padding support
430- many optimizations and bugfixes
055dc116 431- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 432
0ca3e336 433
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FB
434version 0.4.8:
435
e0db8cfb 436- MPEG-2 video encoding (Michael)
d9d8910b 437- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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438- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
439 and Mario Brito)
440- Xan DPCM audio decoder (Mario Brito)
186447f8 441- Interplay MVE playback subsystem (Mike Melanson)
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442- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
443
0ca3e336 444
b17e9c99 445version 0.4.7:
e07702ba 446
e0db8cfb 447- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 448 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 449- current version now also compiles with older GCC (Fabrice)
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450- 4X multimedia playback system including 4xm file demuxer (Mike
451 Melanson), and 4X video and audio codecs (Michael)
452- Creative YUV (CYUV) decoder (Mike Melanson)
453- FFV1 codec (our very simple lossless intra only codec, compresses much better
e0db8cfb
DB
454 than HuffYUV) (Michael)
455- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
456- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
e07702ba
HBH
457 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
458- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 459 for multiplatform support (Fabrice)
e07702ba
HBH
460- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
461 by anonymous
462- AMR format has been added (Johannes Carlsson)
e0db8cfb 463- 3GP support has been added (Johannes Carlsson)
e07702ba
HBH
464- VP3 codec has been added (Mike Melanson)
465- more MPEG-1/2 fixes
e0db8cfb
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466- better multiplatform support, MS Visual Studio fixes (various)
467- AltiVec optimizations (Magnus Damn and others)
e07702ba 468- SH4 processor support has been added (BERO)
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DB
469- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
470- VOB streaming support (Brian Foley)
471- better MP3 autodetection (Andriy Rysin)
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472- qpel encoding (Michael)
473- 4mv+b frames encoding finally fixed (Michael)
474- chroma ME (Michael)
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DB
475- 5 comparison functions for ME (Michael)
476- B-frame encoding speedup (Michael)
477- WMV2 codec (unfinished - Michael)
d3d10087 478- user specified diamond size for EPZS (Michael)
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MM
479- Playstation STR playback subsystem, still experimental (Mike and Michael)
480- ASV2 codec (Michael)
481- CLJR decoder (Alex)
d3d10087 482
e0db8cfb 483.. And lots more new enhancements and fixes.
e07702ba 484
0ca3e336 485
d3d10087 486version 0.4.6:
739d6efa 487
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DB
488- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
489 from scratch
490- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
491- fix quantization bug in AC3 encoder
492- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
493- added prototype ffplay program
494- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
495- bug fix on MCBPC tables of H.263 (Juanjo)
496- bug fix on DC coefficients of H.263 (Juanjo)
497- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
498- now we can decode H.263 streams found in QuickTime files (Juanjo)
499- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 500- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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501- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
502- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 503- added first regression tests
e0db8cfb 504- added MPEG-2 TS demuxer
a31e01c5 505- new demux API for libav
6d291820 506- more accurate and faster IDCT (Michael)
e0db8cfb 507- faster and entropy-controlled motion search (Michael)
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508- two pass video encoding (Michael)
509- new video rate control (Michael)
510- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
511- great performance improvement of video encoders and decoders (Michael)
512- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 513- high quality encoding mode: tries all macroblock/VLC types (Michael)
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514- added DV video decoder
515- preliminary RTP/RTSP support in ffserver and libavformat
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516- H.263+ AIC decoding/encoding support (Juanjo)
517- VCD MPEG-PS mode (Juanjo)
518- PSNR stuff (Juanjo)
519- simple stats output (Juanjo)
520- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 521
0ca3e336 522
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523version 0.4.5:
524
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525- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
526- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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527- added configure system (actually a small shell script)
528- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 529 Michael Hipp (temporary solution - waiting for integer only
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530 decoder)
531- fixed VIDIOCSYNC interrupt
532- added Intel H.263 decoding support ('I263' AVI fourCC)
533- added Real Video 1.0 decoding (needs further testing)
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534- simplified image formats again. Added PGM format (=grey
535 pgm). Renamed old PGM to PGMYUV.
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536- fixed msmpeg4 slice issues (tell me if you still find problems)
537- fixed OpenDivX bugs with newer versions (added VOL header decoding)
538- added support for MPlayer interface
539- added macroblock skip optimization
540- added MJPEG decoder
541- added mmx/mmxext IDCT from libmpeg2
0c1e384c 542- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 543 <celer at shell.scrypt.net>)
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544- added pixel format conversion layer (e.g. for MJPEG or PPM)
545- added deinterlacing option
546- MPEG-1/2 fixes
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547- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
548- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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549- Windows porting of file converter
550- added MJPEG raw format (input/ouput)
551- added JPEG image format support (input/output)
de6d9b64 552
0ca3e336 553
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554version 0.4.4:
555
556- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 557 <bjorn.e.lindgren at telia.com>).
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558- added MPEG demuxer (MPEG-1 and 2 compatible).
559- added ASF demuxer
560- added prototype RM demuxer
561- added AC3 decoding (done with libac3 by Aaron Holtzman)
562- added decoding codec parameter guessing (.e.g. for MPEG, because the
563 header does not include them)
564- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
565 play them (only tested video)
566- fixed H.263 white bug
567- fixed phase rounding in img resample filter
568- add MMX code for polyphase img resample filter
569- added CPU autodetection
570- added generic title/author/copyright/comment string handling (ASF and RM
571 use them)
de6d9b64 572- added SWF demux to extract MP3 track (not usable yet because no MP3
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573 decoder)
574- added fractional frame rate support
de6d9b64 575- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 576 segfault)
de6d9b64 577
0ca3e336 578
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579version 0.4.3:
580
dd5cf2ad 581- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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582- fixed raw yuv output
583- added motion rounding support in MPEG-4
584- fixed motion bug rounding in MSMPEG4
585- added B-frame handling in video core
586- added full MPEG-1 decoding support
587- added partial (frame only) MPEG-2 support
de6d9b64 588- changed the FOURCC code for H.263 to "U263" to be able to see the
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589 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
590 this +codec ;) (JuanJo).
591- Halfpel motion estimation after MB type selection (JuanJo)
592- added pgm and .Y.U.V output format
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593- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
594 output.
595- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 596 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 597 instead of a protocol)
de6d9b64 598
0ca3e336 599
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600version 0.4.2:
601
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602- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
603 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 604 missing. MSMPEG4 support is complete.
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605- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
606 can decode ffmpeg MPEGs :-)).
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607- added libavcodec API documentation (see apiexample.c).
608- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 609 greenish)
de6d9b64 610- added support for non clipped motion vectors (decoding only)
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611 and image sizes non-multiple of 16
612- added support for AC prediction (decoding only)
613- added file overwrite confirmation (can be disabled with -y)
614- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 615
0ca3e336 616
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617version 0.4.1:
618
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619- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
620 of AVI and ASF to DIV3.
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621- added -me option to set motion estimation method
622 (default=log). suppressed redundant -hq option.
623- added options -acodec and -vcodec to force a given codec (useful for
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624 AVI for example)
625- fixed -an option
626- improved dct_quantize speed
627- factorized some motion estimation code
de6d9b64 628
0ca3e336 629
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630version 0.4.0:
631
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632- removing grab code from ffserver and moved it to ffmpeg. Added
633 multistream support to ffmpeg.
de6d9b64 634- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 635 URL)
de6d9b64 636- added high quality image resize code with polyphase filter (need
56cc85a0 637 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 638- added multi live feed support in ffserver
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639- suppressed master feature from ffserver (it should be done with an
640 external program which opens the .ffm url and writes it to another
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641 ffserver)
642- added preliminary support for video stream parsing (WAV and AVI half
643 done). Added proper support for audio/video file conversion in
de6d9b64 644 ffmpeg.
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645- added preliminary support for video file sending from ffserver
646- redesigning I/O subsystem: now using URL based input and output
647 (see avio.h)
648- added WAV format support
649- added "tty user interface" to ffmpeg to stop grabbing gracefully
650- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 651 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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652- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
653- added new motion estimation algorithms, log and phods (Juanjo)
654- changed directories: libav for format handling, libavcodec for
655 codecs
de6d9b64 656
0ca3e336 657
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658version 0.3.4:
659
e0db8cfb 660- added stereo in MPEG audio encoder
de6d9b64 661
0ca3e336 662
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663version 0.3.3:
664
665- added 'high quality' mode which use motion vectors. It can be used in
666 real time at low resolution.
667- fixed rounding problems which caused quality problems at high
e0db8cfb 668 bitrates and large GOP size
de6d9b64 669
0ca3e336 670
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671version 0.3.2: small fixes
672
e0db8cfb 673- ASF fixes
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674- put_seek bug fix
675
0ca3e336 676
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677version 0.3.1: added avi/divx support
678
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679- added AVI support
680- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
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681- added sound for flash format (not tested)
682
0ca3e336 683
de6d9b64 684version 0.3: initial public release