Changelog: update ffmpeg/avconv incompatibility list.
[libav.git] / Changelog
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1Entries are sorted chronologically from oldest to youngest within each release,
2releases are sorted from youngest to oldest.
3
4
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5version <next>:
6- BWF muxer
c2d23309 7- Flash Screen Video 2 decoder
4d58e4cb 8- ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
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9- ffmpeg deprecated, added avconv, which is almost the same for now, except
10for a few incompatible changes in the options, which will hopefully make them
11easier to use. The changes are:
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12 * The options placement is now strictly enforced! While in theory the
13 options for ffmpeg should be given in [input options] -i INPUT [output
14 options] OUTPUT order, in practice it was possible to give output options
15 before the -i and it mostly worked. Except when it didn't - the behavior was
16 a bit inconsistent. In avconv, it is not possible to mix input and output
17 options. All non-global options are reset after an input or output filename.
18 * All per-file options are now truly per-file - they apply only to the next
19 input or output file and specifying different values for different files
20 will now work properly (notably -ss and -t options).
21 * All per-stream options are now truly per-stream - it is possible to
22 specify which stream(s) should a given option apply to. See the Stream
23 specifiers section in the avconv manual for details.
24 * In ffmpeg some options (like -newvideo/-newaudio/...) are irregular in the
25 sense that they're specified after the output filename instead of before,
26 like all other options. In avconv this irregularity is removed, all options
27 apply to the next input or output file.
28 * -newvideo/-newaudio/-newsubtitle options were removed. Not only were they
29 irregular and highly confusing, they were also redundant. In avconv the -map
30 option will create new streams in the output file and map input streams to
31 them. E.g. avconv -i INPUT -map 0 OUTPUT will create an output stream for
32 each stream in the first input file.
33 * The -map option now has slightly different and more powerful syntax:
34 + Colons (':') are used to separate file index/stream type/stream index
35 instead of dots. Comma (',') is used to separate the sync stream instead
36 of colon.. This is done for consistency with other options.
37 + It's possible to specify stream type. E.g. -map 0:a:2 creates an
38 output stream from the third input audio stream.
39 + Omitting the stream index now maps all the streams of the given type,
40 not just the first. E.g. -map 0:s creates output streams for all the
41 subtitle streams in the first input file.
42 + Since -map can now match multiple streams, negative mappings were
320d7693 43 introduced. Negative mappings disable some streams from an already
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44 defined map. E.g. '-map 0 -map -0:a:1' means 'create output streams for
45 all the stream in the first input file, except for the second audio
46 stream'.
47 * There is a new option -c (or -codec) for choosing the decoder/encoder to
48 use, which allows to precisely specify target stream(s) consistently with
49 other options. E.g. -c:v lib264 sets the codec for all video streams, -c:a:0
50 libvorbis sets the codec for the first audio stream and -c copy copies all
51 the streams without reencoding. Old -vcodec/-acodec/-scodec options are now
52 aliases to -c:v/a/s
320d7693 53 * It is now possible to precisely specify which stream should an AVOption
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54 apply to. E.g. -b:v:0 2M sets the bitrate for the first video stream, while
55 -b:a 128k sets the bitrate for all audio streams. Note that the old -ab 128k
56 syntax is deprecated and will stop working soon.
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57 * -map_chapters now takes only an input file index and applies to the next
58 output file. This is consistent with how all the other options work.
59 * -map_metadata now takes only an input metadata specifier and applies to
60 the next output file. Output metadata specifier is now part of the option
61 name, similarly to the AVOptions/map/codec feature above.
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62 * -metadata can now be used to set metadata on streams and chapters, e.g.
63 -metadata:s:1 language=eng sets the language of the first stream to 'eng'.
64 This made -vlang/-alang/-slang options redundant, so they were removed.
65 * -qscale option now uses stream specifiers and applies to all streams, not
66 just video. I.e. plain -qscale number would now apply to all streams. To get
67 the old behavior, use -qscale:v. Also there is now a shortcut -q for -qscale
68 and -aq is now an alias for -q:a.
69 * -vbsf/-absf/-sbsf options were removed and replaced by a -bsf option which
70 uses stream specifiers. Use -bsf:v/a/s instead of the old options.
71 * -itsscale option now uses stream specifiers, so its argument is only the
72 scale parameter.
73 * -intra option was removed, use -g 0 for the same effect.
74 * -psnr option was removed, use -flags +psnr for the same effect.
75 * -vf option is now an alias to the new -filter option, which uses stream specifiers.
76 * -vframes/-aframes/-dframes options are now aliases to the new -frames option.
77 * -vtag/-atag/-stag options are now aliases to the new -tag option.
c6c6c1aa 78- XMV demuxer
45ecda85 79- Windows Media Image decoder
dcb9f6a2 80- LATM muxer/demuxer
ee42716b 81- showinfo filter
615baa13 82- split filter
e417d80d 83- libcdio-paranoia input device for audio CD grabbing
d763fb7d 84- select filter
be64629a 85- Apple ProRes decoder
4ca59d19 86- CELT in Ogg demuxing
51757ac7 87- VC-1 interlaced decoding
8fe0c527 88- lut, lutrgb, and lutyuv filters
ce6b6ef6 89- boxblur filter
0d8506b8 90- Ut Video decoder
b606a017 91- Speex encoding via libspeex
76741b0e 92- 4:2:2 H.264 decoding support
0de9c41f 93- Pulseaudio input device
594b54b5 94- replacement Indeo 3 decoder
183baead 95- TLS/SSL and HTTPS protocol support
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96
97
bed31c7e 98version 0.7:
2db272e9 99
aa47c35d 100- E-AC-3 audio encoder
b95d19b0 101- ac3enc: add channel coupling support
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102- floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
103- H.264/MPEG frame-level multithreading
104- av_metadata_* functions renamed to av_dict_* and moved to libavutil
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105- 4:4:4 H.264 decoding support
106- 10-bit H.264 optimizations for x86
b047941d 107- bump libswscale for recently reported ABI break
aa47c35d 108
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109
110version 0.7_beta2:
111
b047941d 112- VP8 frame-level multithreading
bed31c7e 113- NEON optimizations for VP8
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114- removed a lot of deprecated API cruft
115- FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
e27ce0ee 116- DPX image encoder
9aa91043 117- SMPTE 302M AES3 audio decoder
b047941d 118- ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
bed31c7e 119- 9bit and 10bit per sample support in the H.264 decoder
e27ce0ee 120
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121
122version 0.7_beta1:
123
316d6c15 124- WebM support in Matroska de/muxer
21d52447 125- low overhead Ogg muxing
a2403986 126- MMS-TCP support
ee0e9146 127- VP8 de/encoding via libvpx
173bb37f 128- Demuxer for On2's IVF format
a526d619 129- Pictor/PC Paint decoder
a2063901 130- HE-AAC v2 decoder
41f91b5f 131- libfaad2 wrapper removed
e83aed04 132- DTS-ES extension (XCh) decoding support
db7d307f 133- native VP8 decoder
680b2321 134- RTSP tunneling over HTTP
4449df6b 135- RTP depacketization of SVQ3
2d525ef4 136- -strict inofficial replaced by -strict unofficial
066ce8c9 137- ffplay -exitonkeydown and -exitonmousedown options added
b576934d 138- native GSM / GSM MS decoder
a59096e4 139- RTP depacketization of QDM2
5a717094 140- ANSI/ASCII art playback system
e8723e24 141- Lego Mindstorms RSO de/muxer
ba2c508d 142- SubRip subtitle file muxer and demuxer
de295976 143- Chinese AVS encoding via libxavs
530bbe96 144- ffprobe -show_packets option added
91af5601 145- RTP packetization of Theora and Vorbis
1ddc176e 146- RTP depacketization of MP4A-LATM
51291e60 147- RTP packetization and depacketization of VP8
a1e171df 148- hflip filter
cd223e0b 149- Apple HTTP Live Streaming demuxer
7f50caa7 150- a64 codec
b8521394 151- MMS-HTTP support
21e681ba 152- G.722 ADPCM audio encoder/decoder
43836928 153- R10k video decoder
6ebf0bfc 154- ocv_smooth filter
47941088 155- frei0r wrapper filter
2bc05d35 156- change crop filter syntax to width:height:x:y
75b67a8a 157- make the crop filter accept parametric expressions
6afd569e 158- make ffprobe accept AVFormatContext options
5900deeb 159- yadif filter
13fabd7a 160- blackframe filter
8878e3b2 161- Demuxer for Leitch/Harris' VR native stream format (LXF)
3ece3e4c 162- RTP depacketization of the X-QT QuickTime format
01c8d258 163- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
68b79bfc 164- cropdetect filter
5879ea6d 165- ffmpeg -crop* options removed
43945b27 166- transpose filter added
4ad08021 167- ffmpeg -force_key_frames option added
44594cc7 168- demuxer for receiving raw rtp:// URLs without an SDP description
136e19e1 169- single stream LATM/LOAS decoder
a532bb39 170- setpts filter added
b047941d 171- Win64 support for optimized x86 assembly functions
ba83c4bf 172- MJPEG/AVI1 to JPEG/JFIF bitstream filter
c99f9b0a 173- ASS subtitle encoder and decoder
b047941d 174- IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
58935b25 175- overlay filter added
2fb21bf4 176- rename aspect filter to setdar, and pixelaspect to setsar
3b39e273 177- IEC 61937 demuxer
9d09ebf1 178- Mobotix .mxg demuxer
f8608dca 179- frei0r source added
a4dc7aa5 180- hqdn3d filter added
35014efc 181- RTP depacketization of QCELP
475ae04a 182- FLAC parser added
d5f187fd 183- gradfun filter added
2b2a597e 184- AMR-WB decoder
3579b405 185- replace the ocv_smooth filter with a more generic ocv filter
82ca054a 186- Windows Televison (WTV) demuxer
fd5b124d 187- FFmpeg metadata format muxer and demuxer
2c77c906 188- SubRip (srt) subtitle decoder
6fd96d1a 189- floating-point AC-3 encoder added
d267b339 190- Lagarith decoder
fbd56159 191- ffmpeg -copytb option added
54bc6403 192- IVF muxer added
44ddfd47 193- Wing Commander IV movies decoder added
9409c381 194- movie source added
ccfcddb3 195- Bink version 'b' audio and video decoder
402f9ad5 196- Bitmap Brothers JV playback system
dc6fdad5 197- Apple HTTP Live Streaming protocol handler
15d59d2c 198- sndio support for playback and record
c6f95144 199- Linux framebuffer input device added
42315dab 200- Chronomaster DFA decoder
ce02f9be 201- Mobotix MxPEG decoder
d89e738a 202- AAC encoding via libvo-aacenc
f502ff3f 203- AMR-WB encoding via libvo-amrwbenc
ad4c5034 204- xWMA demuxer
2f84bb42 205- fieldorder video filter added
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206
207
208version 0.6:
209
2db272e9 210- PB-frame decoding for H.263
b11163c8 211- deprecated vhook subsystem removed
3444c914 212- deprecated old scaler removed
616e899c 213- VQF demuxer
b3b5946c 214- Alpha channel scaler
effcedf7 215- PCX encoder
9edfaf3c 216- RTP packetization of H.263
08e696c0 217- RTP packetization of AMR
e6327fba 218- RTP depacketization of Vorbis
e9356be5 219- CorePNG decoding support
9189d7eb 220- Cook multichannel decoding support
276f8e2b 221- introduced avlanguage helpers in libavformat
f0b19bd3 222- 8088flex TMV demuxer and decoder
5f1ac36d 223- per-stream language-tags extraction in asfdec
ca0bb1c4 224- V210 decoder and encoder
de08ebe3 225- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 226- QCP demuxer
cbfe5bee 227- SoX native format muxer and demuxer
0b175caa 228- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 229- DPX image decoder
c63ea92b 230- Electronic Arts Madcow decoder
a4276ba2 231- DivX (XSUB) subtitle encoder
0a4a0aa7 232- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 233- experimental AAC encoder
c2f3eec4 234- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 235- RTMP support in libavformat
3106f489 236- noX handling for OPT_BOOL X options
740e89cf 237- Wave64 demuxer
ab1eff9c 238- IEC-61937 compatible Muxer
7bd47335 239- TwinVQ decoder
c58b82a2 240- Bluray (PGS) subtitle decoder
5dd3707b 241- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 242- WMA Pro decoder
5f14b565 243- Core Audio Format demuxer
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244- Atrac1 decoder
245- MD STUDIO audio demuxer
811e0fc2 246- RF64 support in WAV demuxer
99971952 247- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 248- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 249- IV8 demuxer
a3d995c1 250- CDG demuxer and decoder
4aaab0a3 251- R210 decoder
ce293510 252- Auravision Aura 1 and 2 decoders
e6565055 253- Deluxe Paint Animation playback system
d140b025 254- SIPR decoder
83ab7f18 255- Adobe Filmstrip muxer and demuxer
45aa9080 256- RTP depacketization of H.263
342c7dfd 257- Bink demuxer and audio/video decoders
4ebaec79 258- enable symbol versioning by default for linkers that support it
b9e06ddd 259- IFF PBM/ILBM bitmap decoder
084eb95f 260- concat protocol
5bebe94d 261- Indeo 5 decoder
556aa7a1 262- RTP depacketization of AMR
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263- WMA Voice decoder
264- ffprobe tool
4fe3edaa 265- AMR-NB decoder
6f5a3d0a 266- RTSP muxer
ed492b61 267- HE-AAC v1 decoder
bf354122 268- Kega Game Video (KGV1) decoder
59b4b540 269- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 270- RTP depacketization of Theora
b26708d5 271- HTTP Digest authentication
0f943ce6 272- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 273- Psygnosis YOP demuxer and video decoder
ca6e7708 274- spectral extension support in the E-AC-3 decoder
ac1c9564 275- unsharp video filter
910cde56 276- RTP hinting in the mov/3gp/mp4 muxer
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277- Dirac in Ogg demuxing
278- seek to keyframes in Ogg
279- 4:2:2 and 4:4:4 Theora decoding
280- 35% faster VP3/Theora decoding
281- faster AAC decoding
282- faster H.264 decoding
d31ba231 283- RealAudio 1.0 (14.4K) encoder
de08ebe3 284
2db272e9 285
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286version 0.5:
287
06ab9cff 288- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 289- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 290- IBM Ultimotion (ULTI) video decoder
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291- Sierra Online audio file demuxer and decoder
292- Apple QuickDraw (qdrw) video decoder
22052247 293- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 294- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 295- Miro VideoXL (VIXL) video decoder
b06b45c4 296- H.261 video encoder
acfd8f0f 297- QPEG video decoder
353147ed 298- Nullsoft Video (NSV) file demuxer
13dfd2b9 299- Shorten audio decoder
9c7fb608 300- LOCO video decoder
115329f1 301- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 302- Winnov WNV1 video decoder
589f8220 303- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 304- Indeo 2 video decoder
b81f8949 305- Fraps FPS1 video decoder
e0db8cfb 306- Snow video encoder/decoder
af4ca324 307- Sonic audio encoder/decoder
108ab268 308- Vorbis audio decoder
af4ca324 309- Macromedia ADPCM decoder
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310- Duck TrueMotion 2 video decoder
311- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 312- H.264 custom quantization matrices support
a8289180 313- ffserver fixed, it should now be usable again
8d1018bf 314- QDM2 audio decoder
8a2d410e 315- Real Cooker audio decoder
bf3027c8 316- TrueSpeech audio decoder
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317- WMA2 audio decoder fixed, now all files should play correctly
318- RealAudio 14.4 and 28.8 decoders fixed
108ab268 319- JPEG-LS decoder
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320- build system improvements
321- tabs and trailing whitespace removed from the codebase
108ab268 322- CamStudio video decoder
f11288da 323- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 324- ADTS AAC file reading and writing
ea395e8c 325- Creative VOC file reading and writing
4e114829 326- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 327- Zip Motion Blocks Video decoder
58cf42fa 328- improved Theora/VP3 decoder
8a2d410e 329- True Audio (TTA) decoder
26376701 330- AVS demuxer and video decoder
108ab268 331- JPEG-LS encoder
348efc18 332- Smacker demuxer and decoder
dfca23e3 333- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 334- KMVC decoder
58cf42fa 335- MPEG-2 intra VLC support
2d974017 336- MPEG-2 4:2:2 encoder
0919e788 337- Flash Screen Video decoder
cc0bc648 338- GXF demuxer
6a09487e 339- Chinese AVS decoder
43dcf590 340- GXF muxer
07bf2af8 341- MXF demuxer
b394e39a 342- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 343- MacIntel support
8ac17293 344- AVISynth support
eb57c889 345- VMware video decoder
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346- VP5 video decoder
347- VP6 video decoder
730581f3 348- WavPack lossless audio decoder
3689cf16 349- Targa (.TGA) picture decoder
108ab268 350- Vorbis audio encoder
dc56e0de 351- Delphine Software .cin demuxer/audio and video decoder
29f86228 352- Tiertex .seq demuxer/video decoder
f7bc5837 353- MTV demuxer
716222db 354- TIFF picture encoder and decoder
06d392a7 355- GIF picture decoder
58cf42fa 356- Intel Music Coder decoder
6a7d2c3d 357- Zip Motion Blocks Video encoder
185c7b6b 358- Musepack decoder
8adc51f2 359- Flash Screen Video encoder
150d2772 360- Theora encoding via libtheora
52548eee 361- BMP encoder
039cd4a7 362- WMA encoder
346a655d 363- GSM-MS encoder and decoder
01ca9ac3 364- DCA decoder
33a0dd37 365- DXA demuxer and decoder
52b6bad2 366- DNxHD decoder
efb0c399 367- Gamecube movie (.THP) playback system
a5fbe001 368- Blackfin optimizations
9a0ddd09 369- Interplay C93 demuxer and video decoder
1e6c6759 370- Bethsoft VID demuxer and video decoder
8e952e4d 371- CRYO APC demuxer
10e26bc7 372- Atrac3 decoder
b46d68c6 373- V.Flash PTX decoder
58cf42fa 374- RoQ muxer, RoQ audio encoder
ad39f1a7 375- Renderware TXD demuxer and decoder
4d5588cf 376- extern C declarations for C++ removed from headers
82e60541 377- sws_flags command line option
ddcf4b5d 378- codebook generator
03e3e765 379- RoQ video encoder
d3b7406c 380- QTRLE encoder
d22e8442 381- OS/2 support removed and restored again
6ea67bbb 382- AC-3 decoder
58cf42fa 383- NUT muxer
108ab268 384- additional SPARC (VIS) optimizations
e09f7d61 385- Matroska muxer
58cf42fa 386- slice-based parallel H.264 decoding
bf4a1f17 387- Monkey's Audio demuxer and decoder
8787d837 388- AMV audio and video decoder
fc4cbc16 389- DNxHD encoder
d6c52130 390- H.264 PAFF decoding
636b13c5 391- Nellymoser ASAO decoder
66f7679c 392- Beam Software SIFF demuxer and decoder
f9def9cc 393- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 394- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 395- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 396- The "device" muxers and demuxers are now in a new libavdevice library
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397- PC Paintbrush PCX decoder
398- Sun Rasterfile decoder
920d3609 399- TechnoTrend PVA demuxer
77c1d04d 400- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 401- AVM2 (Flash 9) SWF muxer
9dc92a38 402- QT variant of IMA ADPCM encoder
39fc859e 403- VFW grabber
58cf42fa 404- iPod/iPhone compatible mp4 muxer
a7129de5 405- Mimic decoder
0f3444e1 406- MSN TCP Webcam stream demuxer
86b3cf7c 407- RL2 demuxer / decoder
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408- IFF demuxer
409- 8SVX audio decoder
b00b15be 410- non-recursive Makefiles
b64c096b 411- BFI demuxer
74118c07 412- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 413- BFI video decoder
ea662534 414- OMA demuxer
b517af05 415- MLP/TrueHD decoder
e1c74782 416- Electronic Arts CMV decoder
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417- Motion Pixels Video decoder
418- Motion Pixels MVI demuxer
e44bbf62 419- removed animated GIF decoder/demuxer
51c3861e 420- D-Cinema audio muxer
cfc78718 421- Electronic Arts TGV decoder
833e90dd 422- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 423- AAC decoder
eb6fc557 424- floating point PCM encoder/decoder
cedebde1 425- MXF muxer
108ab268 426- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 427- E-AC-3 support added to AC-3 decoder
755ba886 428- Nellymoser ASAO encoder
0c86f89a 429- ASS and SSA demuxer and muxer
d8d12c15 430- liba52 wrapper removed
0ac1dc6f 431- SVQ3 watermark decoding support
f6958006 432- Speex decoding via libspeex
42b30357 433- Electronic Arts TGQ decoder
108ab268 434- RV40 decoder
73b458e3 435- QCELP / PureVoice decoder
108ab268 436- RV30 decoder
7906f3ca 437- hybrid WavPack support
7eb68edb 438- R3D REDCODE demuxer
115d095e 439- ALSA support for playback and record
d8964f3a 440- Electronic Arts TQI decoder
9a77d59a 441- OpenJPEG based JPEG 2000 decoder
58cf42fa 442- NC (NC4600) camera file demuxer
865780ae 443- Gopher client support
bd3f81f3 444- MXF D-10 muxer
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445- generic metadata API
446
9d53d58e 447
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448version 0.4.9-pre1:
449
4fa1c4fa 450- DV encoder, DV muxer
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451- Microsoft RLE video decoder
452- Microsoft Video-1 decoder
070ed1bc 453- Apple Animation (RLE) decoder
42cad81a 454- Apple Graphics (SMC) decoder
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455- Apple Video (RPZA) decoder
456- Cinepak decoder
457- Sega FILM (CPK) file demuxer
42cad81a 458- Westwood multimedia support (VQA & AUD files)
4120a53a 459- Id Quake II CIN playback support
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460- 8BPS video decoder
461- FLIC playback support
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462- RealVideo 2.0 (RV20) decoder
463- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 464- Sierra VMD demuxer and video decoder
1defd2a8 465- MSZH and ZLIB decoder support
3b64893d 466- SVQ1 video encoder
1defd2a8 467- AMR-WB support
e0db8cfb 468- PPC optimizations
1defd2a8 469- rate distortion optimal cbp support
e0db8cfb 470- rate distorted optimal ac prediction for MPEG-4
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471- rate distorted optimal lambda->qp support
472- AAC encoding with libfaac
473- Sunplus JPEG codec (SP5X) support
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474- use Lagrange multipler instead of QP for ratecontrol
475- Theora/VP3 decoding support
1defd2a8 476- XA and ADX ADPCM codecs
e0db8cfb 477- export MPEG-2 active display area / pan scan
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478- Add support for configuring with IBM XLC
479- floating point AAN DCT
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480- initial support for zygo video (not complete)
481- RGB ffv1 support
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482- new audio/video parser API
483- av_log() system
484- av_read_frame() and av_seek_frame() support
485- missing last frame fixes
486- seek by mouse in ffplay
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487- noise reduction of DCT coefficients
488- H.263 OBMC & 4MV support
489- H.263 alternative inter vlc support
490- H.263 loop filter
491- H.263 slice structured mode
492- interlaced DCT support for MPEG-2 encoding
1defd2a8 493- stuffing to stay above min_bitrate
e0db8cfb 494- MB type & QP visualization
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495- frame stepping for ffplay
496- interlaced motion estimation
497- alternate scantable support
498- SVCD scan offset support
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499- closed GOP support
500- SSE2 FDCT
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501- quantizer noise shaping
502- G.726 ADPCM audio codec
503- MS ADPCM encoding
504- multithreaded/SMP motion estimation
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505- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
506- multithreaded/SMP decoding for MPEG-2
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507- FLAC decoder
508- Metrowerks CodeWarrior suppport
e0db8cfb 509- H.263+ custom pcf support
1defd2a8 510- nicer output for 'ffmpeg -formats'
e0db8cfb 511- Matroska demuxer
1defd2a8 512- SGI image format, encoding and decoding
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513- H.264 loop filter support
514- H.264 CABAC support
f073a393 515- nicer looking arrows for the motion vector visualization
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516- improved VCD support
517- audio timestamp drift compensation
e0db8cfb 518- MPEG-2 YUV 422/444 support
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519- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
520- better image scaling
e0db8cfb 521- H.261 support
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522- correctly interleave packets during encoding
523- VIS optimized motion compensation
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524- intra_dc_precision>0 encoding support
525- support reuse of motion vectors/MB types/field select values of the source video
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526- more accurate deblock filter
527- padding support
528- many optimizations and bugfixes
055dc116 529- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 530
0ca3e336 531
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532version 0.4.8:
533
e0db8cfb 534- MPEG-2 video encoding (Michael)
d9d8910b 535- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
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536- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
537 and Mario Brito)
538- Xan DPCM audio decoder (Mario Brito)
186447f8 539- Interplay MVE playback subsystem (Mike Melanson)
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540- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
541
0ca3e336 542
b17e9c99 543version 0.4.7:
e07702ba 544
e0db8cfb 545- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 546 (originally from public domain player for Amiga at http://www.honeypot.net/audio)
e0db8cfb 547- current version now also compiles with older GCC (Fabrice)
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548- 4X multimedia playback system including 4xm file demuxer (Mike
549 Melanson), and 4X video and audio codecs (Michael)
550- Creative YUV (CYUV) decoder (Mike Melanson)
551- FFV1 codec (our very simple lossless intra only codec, compresses much better
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552 than HuffYUV) (Michael)
553- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
554- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
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555 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
556- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 557 for multiplatform support (Fabrice)
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558- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
559 by anonymous
560- AMR format has been added (Johannes Carlsson)
e0db8cfb 561- 3GP support has been added (Johannes Carlsson)
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562- VP3 codec has been added (Mike Melanson)
563- more MPEG-1/2 fixes
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564- better multiplatform support, MS Visual Studio fixes (various)
565- AltiVec optimizations (Magnus Damn and others)
e07702ba 566- SH4 processor support has been added (BERO)
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567- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
568- VOB streaming support (Brian Foley)
569- better MP3 autodetection (Andriy Rysin)
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570- qpel encoding (Michael)
571- 4mv+b frames encoding finally fixed (Michael)
572- chroma ME (Michael)
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573- 5 comparison functions for ME (Michael)
574- B-frame encoding speedup (Michael)
575- WMV2 codec (unfinished - Michael)
d3d10087 576- user specified diamond size for EPZS (Michael)
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577- Playstation STR playback subsystem, still experimental (Mike and Michael)
578- ASV2 codec (Michael)
579- CLJR decoder (Alex)
d3d10087 580
e0db8cfb 581.. And lots more new enhancements and fixes.
e07702ba 582
0ca3e336 583
d3d10087 584version 0.4.6:
739d6efa 585
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586- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
587 from scratch
588- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
589- fix quantization bug in AC3 encoder
590- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
591- added prototype ffplay program
592- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
593- bug fix on MCBPC tables of H.263 (Juanjo)
594- bug fix on DC coefficients of H.263 (Juanjo)
595- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
596- now we can decode H.263 streams found in QuickTime files (Juanjo)
597- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 598- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
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599- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
600- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 601- added first regression tests
e0db8cfb 602- added MPEG-2 TS demuxer
a31e01c5 603- new demux API for libav
6d291820 604- more accurate and faster IDCT (Michael)
e0db8cfb 605- faster and entropy-controlled motion search (Michael)
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606- two pass video encoding (Michael)
607- new video rate control (Michael)
608- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
609- great performance improvement of video encoders and decoders (Michael)
610- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 611- high quality encoding mode: tries all macroblock/VLC types (Michael)
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612- added DV video decoder
613- preliminary RTP/RTSP support in ffserver and libavformat
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614- H.263+ AIC decoding/encoding support (Juanjo)
615- VCD MPEG-PS mode (Juanjo)
616- PSNR stuff (Juanjo)
617- simple stats output (Juanjo)
618- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 619
0ca3e336 620
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621version 0.4.5:
622
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623- some header fixes (Zdenek Kabelac <kabi at informatics.muni.cz>)
624- many MMX optimizations (Nick Kurshev <nickols_k at mail.ru>)
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625- added configure system (actually a small shell script)
626- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 627 Michael Hipp (temporary solution - waiting for integer only
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628 decoder)
629- fixed VIDIOCSYNC interrupt
630- added Intel H.263 decoding support ('I263' AVI fourCC)
631- added Real Video 1.0 decoding (needs further testing)
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632- simplified image formats again. Added PGM format (=grey
633 pgm). Renamed old PGM to PGMYUV.
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634- fixed msmpeg4 slice issues (tell me if you still find problems)
635- fixed OpenDivX bugs with newer versions (added VOL header decoding)
636- added support for MPlayer interface
637- added macroblock skip optimization
638- added MJPEG decoder
639- added mmx/mmxext IDCT from libmpeg2
0c1e384c 640- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 641 <celer at shell.scrypt.net>)
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642- added pixel format conversion layer (e.g. for MJPEG or PPM)
643- added deinterlacing option
644- MPEG-1/2 fixes
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645- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at pacbell.net>)
646- ARM optimizations (Lionel Ulmer <lionel.ulmer at free.fr>).
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647- Windows porting of file converter
648- added MJPEG raw format (input/ouput)
649- added JPEG image format support (input/output)
de6d9b64 650
0ca3e336 651
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652version 0.4.4:
653
654- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 655 <bjorn.e.lindgren at telia.com>).
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656- added MPEG demuxer (MPEG-1 and 2 compatible).
657- added ASF demuxer
658- added prototype RM demuxer
659- added AC3 decoding (done with libac3 by Aaron Holtzman)
660- added decoding codec parameter guessing (.e.g. for MPEG, because the
661 header does not include them)
662- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
663 play them (only tested video)
664- fixed H.263 white bug
665- fixed phase rounding in img resample filter
666- add MMX code for polyphase img resample filter
667- added CPU autodetection
668- added generic title/author/copyright/comment string handling (ASF and RM
669 use them)
de6d9b64 670- added SWF demux to extract MP3 track (not usable yet because no MP3
e0db8cfb
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671 decoder)
672- added fractional frame rate support
de6d9b64 673- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 674 segfault)
de6d9b64 675
0ca3e336 676
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677version 0.4.3:
678
dd5cf2ad 679- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at amsat.org>)
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680- fixed raw yuv output
681- added motion rounding support in MPEG-4
682- fixed motion bug rounding in MSMPEG4
683- added B-frame handling in video core
684- added full MPEG-1 decoding support
685- added partial (frame only) MPEG-2 support
de6d9b64 686- changed the FOURCC code for H.263 to "U263" to be able to see the
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687 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
688 this +codec ;) (JuanJo).
689- Halfpel motion estimation after MB type selection (JuanJo)
690- added pgm and .Y.U.V output format
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691- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
692 output.
693- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 694 <lists at reserv.at>, but changed completely since we use a format
e0db8cfb 695 instead of a protocol)
de6d9b64 696
0ca3e336 697
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698version 0.4.2:
699
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700- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
701 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 702 missing. MSMPEG4 support is complete.
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703- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
704 can decode ffmpeg MPEGs :-)).
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705- added libavcodec API documentation (see apiexample.c).
706- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 707 greenish)
de6d9b64 708- added support for non clipped motion vectors (decoding only)
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709 and image sizes non-multiple of 16
710- added support for AC prediction (decoding only)
711- added file overwrite confirmation (can be disabled with -y)
712- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 713
0ca3e336 714
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715version 0.4.1:
716
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717- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
718 of AVI and ASF to DIV3.
de6d9b64
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719- added -me option to set motion estimation method
720 (default=log). suppressed redundant -hq option.
721- added options -acodec and -vcodec to force a given codec (useful for
e0db8cfb
DB
722 AVI for example)
723- fixed -an option
724- improved dct_quantize speed
725- factorized some motion estimation code
de6d9b64 726
0ca3e336 727
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728version 0.4.0:
729
e0db8cfb
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730- removing grab code from ffserver and moved it to ffmpeg. Added
731 multistream support to ffmpeg.
de6d9b64 732- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 733 URL)
de6d9b64 734- added high quality image resize code with polyphase filter (need
56cc85a0 735 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 736- added multi live feed support in ffserver
de6d9b64
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737- suppressed master feature from ffserver (it should be done with an
738 external program which opens the .ffm url and writes it to another
e0db8cfb
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739 ffserver)
740- added preliminary support for video stream parsing (WAV and AVI half
741 done). Added proper support for audio/video file conversion in
de6d9b64 742 ffmpeg.
e0db8cfb
DB
743- added preliminary support for video file sending from ffserver
744- redesigning I/O subsystem: now using URL based input and output
745 (see avio.h)
746- added WAV format support
747- added "tty user interface" to ffmpeg to stop grabbing gracefully
748- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 749 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at atmlab.utfsm.cl>)
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750- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
751- added new motion estimation algorithms, log and phods (Juanjo)
752- changed directories: libav for format handling, libavcodec for
753 codecs
de6d9b64 754
0ca3e336 755
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756version 0.3.4:
757
e0db8cfb 758- added stereo in MPEG audio encoder
de6d9b64 759
0ca3e336 760
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761version 0.3.3:
762
763- added 'high quality' mode which use motion vectors. It can be used in
764 real time at low resolution.
765- fixed rounding problems which caused quality problems at high
e0db8cfb 766 bitrates and large GOP size
de6d9b64 767
0ca3e336 768
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769version 0.3.2: small fixes
770
e0db8cfb 771- ASF fixes
de6d9b64
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772- put_seek bug fix
773
0ca3e336 774
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775version 0.3.1: added avi/divx support
776
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777- added AVI support
778- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
de6d9b64
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779- added sound for flash format (not tested)
780
0ca3e336 781
de6d9b64 782version 0.3: initial public release