adx: remove useless comments
[libav.git] / Changelog
1Entries are sorted chronologically from oldest to youngest within each release,
2releases are sorted from youngest to oldest.
5version <next>:
6- BWF muxer
c2d23309 7- Flash Screen Video 2 decoder
4d58e4cb 8- ffplay/ffprobe/ffserver renamed to avplay/avprobe/avserver
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:
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
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
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.
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.
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
a7476298 93- 4:2:2 and 4:4:4 H.264 encoding with libx264
0de9c41f 94- Pulseaudio input device
594b54b5 95- replacement Indeo 3 decoder
183baead 96- TLS/SSL and HTTPS protocol support
97- AVOptions API rewritten and documented
98- most of CODEC_FLAG2_*, some CODEC_FLAG_* and many codec-specific fields in
99 AVCodecContext deprecated. Codec private options should be used instead.
100- Properly working defaults in libx264 wrapper, support for native presets.
101- Encrypted OMA files support
f545e006 102- Discworld II BMV decoding support
c433a3f9 103- VBLE Decoder
ac3dbb4d 104- OS X Video Decoder Acceleration (VDA) support
bed31c7e 107version 0.7:
2db272e9 108
aa47c35d 109- E-AC-3 audio encoder
b95d19b0 110- ac3enc: add channel coupling support
111- floating-point sample format support for (E-)AC-3, DCA, AAC, Vorbis decoders
112- H.264/MPEG frame-level multithreading
113- av_metadata_* functions renamed to av_dict_* and moved to libavutil
114- 4:4:4 H.264 decoding support
115- 10-bit H.264 optimizations for x86
b047941d 116- bump libswscale for recently reported ABI break
aa47c35d 117
119version 0.7_beta2:
b047941d 121- VP8 frame-level multithreading
bed31c7e 122- NEON optimizations for VP8
123- removed a lot of deprecated API cruft
124- FFT and IMDCT optimizations for AVX (Sandy Bridge) processors
e27ce0ee 125- DPX image encoder
9aa91043 126- SMPTE 302M AES3 audio decoder
b047941d 127- ffmpeg no longer quits after the 'q' key is pressed; use 'ctrl+c' instead
bed31c7e 128- 9bit and 10bit per sample support in the H.264 decoder
e27ce0ee 129
131version 0.7_beta1:
316d6c15 133- WebM support in Matroska de/muxer
21d52447 134- low overhead Ogg muxing
a2403986 135- MMS-TCP support
ee0e9146 136- VP8 de/encoding via libvpx
173bb37f 137- Demuxer for On2's IVF format
a526d619 138- Pictor/PC Paint decoder
a2063901 139- HE-AAC v2 decoder
41f91b5f 140- libfaad2 wrapper removed
e83aed04 141- DTS-ES extension (XCh) decoding support
db7d307f 142- native VP8 decoder
680b2321 143- RTSP tunneling over HTTP
4449df6b 144- RTP depacketization of SVQ3
2d525ef4 145- -strict inofficial replaced by -strict unofficial
066ce8c9 146- ffplay -exitonkeydown and -exitonmousedown options added
b576934d 147- native GSM / GSM MS decoder
a59096e4 148- RTP depacketization of QDM2
5a717094 149- ANSI/ASCII art playback system
e8723e24 150- Lego Mindstorms RSO de/muxer
ba2c508d 151- SubRip subtitle file muxer and demuxer
de295976 152- Chinese AVS encoding via libxavs
530bbe96 153- ffprobe -show_packets option added
91af5601 154- RTP packetization of Theora and Vorbis
1ddc176e 155- RTP depacketization of MP4A-LATM
51291e60 156- RTP packetization and depacketization of VP8
a1e171df 157- hflip filter
cd223e0b 158- Apple HTTP Live Streaming demuxer
7f50caa7 159- a64 codec
b8521394 160- MMS-HTTP support
21e681ba 161- G.722 ADPCM audio encoder/decoder
43836928 162- R10k video decoder
6ebf0bfc 163- ocv_smooth filter
47941088 164- frei0r wrapper filter
2bc05d35 165- change crop filter syntax to width:height:x:y
75b67a8a 166- make the crop filter accept parametric expressions
6afd569e 167- make ffprobe accept AVFormatContext options
5900deeb 168- yadif filter
13fabd7a 169- blackframe filter
8878e3b2 170- Demuxer for Leitch/Harris' VR native stream format (LXF)
3ece3e4c 171- RTP depacketization of the X-QT QuickTime format
01c8d258 172- SAP (Session Announcement Protocol, RFC 2974) muxer and demuxer
68b79bfc 173- cropdetect filter
5879ea6d 174- ffmpeg -crop* options removed
43945b27 175- transpose filter added
4ad08021 176- ffmpeg -force_key_frames option added
44594cc7 177- demuxer for receiving raw rtp:// URLs without an SDP description
136e19e1 178- single stream LATM/LOAS decoder
a532bb39 179- setpts filter added
b047941d 180- Win64 support for optimized x86 assembly functions
ba83c4bf 181- MJPEG/AVI1 to JPEG/JFIF bitstream filter
c99f9b0a 182- ASS subtitle encoder and decoder
b047941d 183- IEC 61937 encapsulation for E-AC-3, TrueHD, DTS-HD (for HDMI passthrough)
58935b25 184- overlay filter added
2fb21bf4 185- rename aspect filter to setdar, and pixelaspect to setsar
3b39e273 186- IEC 61937 demuxer
9d09ebf1 187- Mobotix .mxg demuxer
f8608dca 188- frei0r source added
a4dc7aa5 189- hqdn3d filter added
35014efc 190- RTP depacketization of QCELP
475ae04a 191- FLAC parser added
d5f187fd 192- gradfun filter added
2b2a597e 193- AMR-WB decoder
3579b405 194- replace the ocv_smooth filter with a more generic ocv filter
82ca054a 195- Windows Televison (WTV) demuxer
fd5b124d 196- FFmpeg metadata format muxer and demuxer
2c77c906 197- SubRip (srt) subtitle decoder
6fd96d1a 198- floating-point AC-3 encoder added
d267b339 199- Lagarith decoder
fbd56159 200- ffmpeg -copytb option added
54bc6403 201- IVF muxer added
44ddfd47 202- Wing Commander IV movies decoder added
9409c381 203- movie source added
ccfcddb3 204- Bink version 'b' audio and video decoder
402f9ad5 205- Bitmap Brothers JV playback system
dc6fdad5 206- Apple HTTP Live Streaming protocol handler
15d59d2c 207- sndio support for playback and record
c6f95144 208- Linux framebuffer input device added
42315dab 209- Chronomaster DFA decoder
ce02f9be 210- Mobotix MxPEG decoder
d89e738a 211- AAC encoding via libvo-aacenc
f502ff3f 212- AMR-WB encoding via libvo-amrwbenc
ad4c5034 213- xWMA demuxer
2f84bb42 214- fieldorder video filter added
217version 0.6:
2db272e9 219- PB-frame decoding for H.263
b11163c8 220- deprecated vhook subsystem removed
3444c914 221- deprecated old scaler removed
616e899c 222- VQF demuxer
b3b5946c 223- Alpha channel scaler
effcedf7 224- PCX encoder
9edfaf3c 225- RTP packetization of H.263
08e696c0 226- RTP packetization of AMR
e6327fba 227- RTP depacketization of Vorbis
e9356be5 228- CorePNG decoding support
9189d7eb 229- Cook multichannel decoding support
276f8e2b 230- introduced avlanguage helpers in libavformat
f0b19bd3 231- 8088flex TMV demuxer and decoder
5f1ac36d 232- per-stream language-tags extraction in asfdec
ca0bb1c4 233- V210 decoder and encoder
de08ebe3 234- remaining GPL parts in AC-3 decoder converted to LGPL
cdce0fb8 235- QCP demuxer
cbfe5bee 236- SoX native format muxer and demuxer
0b175caa 237- AMR-NB decoding/encoding, AMR-WB decoding via OpenCORE libraries
94d3d6a4 238- DPX image decoder
c63ea92b 239- Electronic Arts Madcow decoder
a4276ba2 240- DivX (XSUB) subtitle encoder
0a4a0aa7 241- nonfree libamr support for AMR-NB/WB decoding/encoding removed
57a80d79 242- experimental AAC encoder
c2f3eec4 243- RTP depacketization of ASF and RTSP from WMS servers
9fd6b843 244- RTMP support in libavformat
3106f489 245- noX handling for OPT_BOOL X options
740e89cf 246- Wave64 demuxer
ab1eff9c 247- IEC-61937 compatible Muxer
7bd47335 248- TwinVQ decoder
c58b82a2 249- Bluray (PGS) subtitle decoder
5dd3707b 250- LPCM support in MPEG-TS (HDMV RID as found on Blu-ray disks)
57a80d79 251- WMA Pro decoder
5f14b565 252- Core Audio Format demuxer
253- Atrac1 decoder
254- MD STUDIO audio demuxer
811e0fc2 255- RF64 support in WAV demuxer
99971952 256- MPEG-4 Audio Lossless Coding (ALS) decoder
0584b718 257- -formats option split into -formats, -codecs, -bsfs, and -protocols
7c3c53c8 258- IV8 demuxer
a3d995c1 259- CDG demuxer and decoder
4aaab0a3 260- R210 decoder
ce293510 261- Auravision Aura 1 and 2 decoders
e6565055 262- Deluxe Paint Animation playback system
d140b025 263- SIPR decoder
83ab7f18 264- Adobe Filmstrip muxer and demuxer
45aa9080 265- RTP depacketization of H.263
342c7dfd 266- Bink demuxer and audio/video decoders
4ebaec79 267- enable symbol versioning by default for linkers that support it
b9e06ddd 268- IFF PBM/ILBM bitmap decoder
084eb95f 269- concat protocol
5bebe94d 270- Indeo 5 decoder
556aa7a1 271- RTP depacketization of AMR
272- WMA Voice decoder
273- ffprobe tool
4fe3edaa 274- AMR-NB decoder
6f5a3d0a 275- RTSP muxer
ed492b61 276- HE-AAC v1 decoder
bf354122 277- Kega Game Video (KGV1) decoder
59b4b540 278- VorbisComment writing for FLAC, Ogg FLAC and Ogg Speex files
887af2aa 279- RTP depacketization of Theora
b26708d5 280- HTTP Digest authentication
0f943ce6 281- RTMP/RTMPT/RTMPS/RTMPE/RTMPTE protocol support via librtmp
38b9d8b8 282- Psygnosis YOP demuxer and video decoder
ca6e7708 283- spectral extension support in the E-AC-3 decoder
ac1c9564 284- unsharp video filter
910cde56 285- RTP hinting in the mov/3gp/mp4 muxer
286- Dirac in Ogg demuxing
287- seek to keyframes in Ogg
288- 4:2:2 and 4:4:4 Theora decoding
289- 35% faster VP3/Theora decoding
290- faster AAC decoding
291- faster H.264 decoding
d31ba231 292- RealAudio 1.0 (14.4K) encoder
de08ebe3 293
2db272e9 294
295version 0.5:
06ab9cff 297- DV50 AKA DVCPRO50 encoder, decoder, muxer and demuxer
9d53d58e 298- TechSmith Camtasia (TSCC) video decoder
d0a0bbd2 299- IBM Ultimotion (ULTI) video decoder
300- Sierra Online audio file demuxer and decoder
301- Apple QuickDraw (qdrw) video decoder
22052247 302- Creative ADPCM audio decoder (16 bits as well as 8 bits schemes)
ad81a9fe 303- Electronic Arts Multimedia (WVE/UV2/etc.) file demuxer
ab711b3c 304- Miro VideoXL (VIXL) video decoder
b06b45c4 305- H.261 video encoder
acfd8f0f 306- QPEG video decoder
353147ed 307- Nullsoft Video (NSV) file demuxer
13dfd2b9 308- Shorten audio decoder
9c7fb608 309- LOCO video decoder
115329f1 310- Apple Lossless Audio Codec (ALAC) decoder
a8a15e9d 311- Winnov WNV1 video decoder
589f8220 312- Autodesk Animator Studio Codec (AASC) decoder
bfaad39f 313- Indeo 2 video decoder
b81f8949 314- Fraps FPS1 video decoder
e0db8cfb 315- Snow video encoder/decoder
af4ca324 316- Sonic audio encoder/decoder
108ab268 317- Vorbis audio decoder
af4ca324 318- Macromedia ADPCM decoder
319- Duck TrueMotion 2 video decoder
320- support for decoding FLX and DTA extensions in FLIC files
b2909f1a 321- H.264 custom quantization matrices support
a8289180 322- ffserver fixed, it should now be usable again
8d1018bf 323- QDM2 audio decoder
8a2d410e 324- Real Cooker audio decoder
bf3027c8 325- TrueSpeech audio decoder
326- WMA2 audio decoder fixed, now all files should play correctly
327- RealAudio 14.4 and 28.8 decoders fixed
108ab268 328- JPEG-LS decoder
329- build system improvements
330- tabs and trailing whitespace removed from the codebase
108ab268 331- CamStudio video decoder
f11288da 332- AIFF/AIFF-C audio format, encoding and decoding
4accd1fd 333- ADTS AAC file reading and writing
ea395e8c 334- Creative VOC file reading and writing
4e114829 335- American Laser Games multimedia (*.mm) playback system
6a7d2c3d 336- Zip Motion Blocks Video decoder
58cf42fa 337- improved Theora/VP3 decoder
8a2d410e 338- True Audio (TTA) decoder
26376701 339- AVS demuxer and video decoder
108ab268 340- JPEG-LS encoder
348efc18 341- Smacker demuxer and decoder
dfca23e3 342- NuppelVideo/MythTV demuxer and RTjpeg decoder
fd7b1991 343- KMVC decoder
58cf42fa 344- MPEG-2 intra VLC support
2d974017 345- MPEG-2 4:2:2 encoder
0919e788 346- Flash Screen Video decoder
cc0bc648 347- GXF demuxer
6a09487e 348- Chinese AVS decoder
43dcf590 349- GXF muxer
07bf2af8 350- MXF demuxer
b394e39a 351- VC-1/WMV3/WMV9 video decoder
0ccd1bb5 352- MacIntel support
8ac17293 353- AVISynth support
eb57c889 354- VMware video decoder
355- VP5 video decoder
356- VP6 video decoder
730581f3 357- WavPack lossless audio decoder
3689cf16 358- Targa (.TGA) picture decoder
108ab268 359- Vorbis audio encoder
dc56e0de 360- Delphine Software .cin demuxer/audio and video decoder
29f86228 361- Tiertex .seq demuxer/video decoder
f7bc5837 362- MTV demuxer
716222db 363- TIFF picture encoder and decoder
06d392a7 364- GIF picture decoder
58cf42fa 365- Intel Music Coder decoder
6a7d2c3d 366- Zip Motion Blocks Video encoder
185c7b6b 367- Musepack decoder
8adc51f2 368- Flash Screen Video encoder
150d2772 369- Theora encoding via libtheora
52548eee 370- BMP encoder
039cd4a7 371- WMA encoder
346a655d 372- GSM-MS encoder and decoder
01ca9ac3 373- DCA decoder
33a0dd37 374- DXA demuxer and decoder
52b6bad2 375- DNxHD decoder
efb0c399 376- Gamecube movie (.THP) playback system
a5fbe001 377- Blackfin optimizations
9a0ddd09 378- Interplay C93 demuxer and video decoder
1e6c6759 379- Bethsoft VID demuxer and video decoder
8e952e4d 380- CRYO APC demuxer
10e26bc7 381- Atrac3 decoder
b46d68c6 382- V.Flash PTX decoder
58cf42fa 383- RoQ muxer, RoQ audio encoder
ad39f1a7 384- Renderware TXD demuxer and decoder
4d5588cf 385- extern C declarations for C++ removed from headers
82e60541 386- sws_flags command line option
ddcf4b5d 387- codebook generator
03e3e765 388- RoQ video encoder
d3b7406c 389- QTRLE encoder
d22e8442 390- OS/2 support removed and restored again
6ea67bbb 391- AC-3 decoder
58cf42fa 392- NUT muxer
108ab268 393- additional SPARC (VIS) optimizations
e09f7d61 394- Matroska muxer
58cf42fa 395- slice-based parallel H.264 decoding
bf4a1f17 396- Monkey's Audio demuxer and decoder
8787d837 397- AMV audio and video decoder
fc4cbc16 398- DNxHD encoder
d6c52130 399- H.264 PAFF decoding
636b13c5 400- Nellymoser ASAO decoder
66f7679c 401- Beam Software SIFF demuxer and decoder
f9def9cc 402- libvorbis Vorbis decoding removed in favor of native decoder
541432c3 403- IntraX8 (J-Frame) subdecoder for WMV2 and VC-1
56dc1fdf 404- Ogg (Theora, Vorbis and FLAC) muxer
108ab268 405- The "device" muxers and demuxers are now in a new libavdevice library
406- PC Paintbrush PCX decoder
407- Sun Rasterfile decoder
920d3609 408- TechnoTrend PVA demuxer
77c1d04d 409- Linux Media Labs MPEG-4 (LMLM4) demuxer
b264a084 410- AVM2 (Flash 9) SWF muxer
9dc92a38 411- QT variant of IMA ADPCM encoder
39fc859e 412- VFW grabber
58cf42fa 413- iPod/iPhone compatible mp4 muxer
a7129de5 414- Mimic decoder
0f3444e1 415- MSN TCP Webcam stream demuxer
86b3cf7c 416- RL2 demuxer / decoder
417- IFF demuxer
418- 8SVX audio decoder
b00b15be 419- non-recursive Makefiles
b64c096b 420- BFI demuxer
74118c07 421- MAXIS EA XA (.xa) demuxer / decoder
2003d3da 422- BFI video decoder
ea662534 423- OMA demuxer
b517af05 424- MLP/TrueHD decoder
e1c74782 425- Electronic Arts CMV decoder
426- Motion Pixels Video decoder
427- Motion Pixels MVI demuxer
e44bbf62 428- removed animated GIF decoder/demuxer
51c3861e 429- D-Cinema audio muxer
cfc78718 430- Electronic Arts TGV decoder
833e90dd 431- Apple Lossless Audio Codec (ALAC) encoder
7d8f3de4 432- AAC decoder
eb6fc557 433- floating point PCM encoder/decoder
cedebde1 434- MXF muxer
108ab268 435- DV100 AKA DVCPRO HD decoder and demuxer
1f6a594d 436- E-AC-3 support added to AC-3 decoder
755ba886 437- Nellymoser ASAO encoder
0c86f89a 438- ASS and SSA demuxer and muxer
d8d12c15 439- liba52 wrapper removed
0ac1dc6f 440- SVQ3 watermark decoding support
f6958006 441- Speex decoding via libspeex
42b30357 442- Electronic Arts TGQ decoder
108ab268 443- RV40 decoder
73b458e3 444- QCELP / PureVoice decoder
108ab268 445- RV30 decoder
7906f3ca 446- hybrid WavPack support
7eb68edb 447- R3D REDCODE demuxer
115d095e 448- ALSA support for playback and record
d8964f3a 449- Electronic Arts TQI decoder
9a77d59a 450- OpenJPEG based JPEG 2000 decoder
58cf42fa 451- NC (NC4600) camera file demuxer
865780ae 452- Gopher client support
bd3f81f3 453- MXF D-10 muxer
454- generic metadata API
9d53d58e 456
457version 0.4.9-pre1:
4fa1c4fa 459- DV encoder, DV muxer
460- Microsoft RLE video decoder
461- Microsoft Video-1 decoder
070ed1bc 462- Apple Animation (RLE) decoder
42cad81a 463- Apple Graphics (SMC) decoder
464- Apple Video (RPZA) decoder
465- Cinepak decoder
466- Sega FILM (CPK) file demuxer
42cad81a 467- Westwood multimedia support (VQA & AUD files)
4120a53a 468- Id Quake II CIN playback support
469- 8BPS video decoder
470- FLIC playback support
471- RealVideo 2.0 (RV20) decoder
472- Duck TrueMotion v1 (DUCK) video decoder
da00f30e 473- Sierra VMD demuxer and video decoder
1defd2a8 474- MSZH and ZLIB decoder support
3b64893d 475- SVQ1 video encoder
1defd2a8 476- AMR-WB support
e0db8cfb 477- PPC optimizations
1defd2a8 478- rate distortion optimal cbp support
e0db8cfb 479- rate distorted optimal ac prediction for MPEG-4
480- rate distorted optimal lambda->qp support
481- AAC encoding with libfaac
482- Sunplus JPEG codec (SP5X) support
483- use Lagrange multipler instead of QP for ratecontrol
484- Theora/VP3 decoding support
1defd2a8 485- XA and ADX ADPCM codecs
e0db8cfb 486- export MPEG-2 active display area / pan scan
487- Add support for configuring with IBM XLC
488- floating point AAN DCT
489- initial support for zygo video (not complete)
490- RGB ffv1 support
491- new audio/video parser API
492- av_log() system
493- av_read_frame() and av_seek_frame() support
494- missing last frame fixes
495- seek by mouse in ffplay
496- noise reduction of DCT coefficients
497- H.263 OBMC & 4MV support
498- H.263 alternative inter vlc support
499- H.263 loop filter
500- H.263 slice structured mode
501- interlaced DCT support for MPEG-2 encoding
1defd2a8 502- stuffing to stay above min_bitrate
e0db8cfb 503- MB type & QP visualization
504- frame stepping for ffplay
505- interlaced motion estimation
506- alternate scantable support
507- SVCD scan offset support
508- closed GOP support
509- SSE2 FDCT
510- quantizer noise shaping
511- G.726 ADPCM audio codec
512- MS ADPCM encoding
513- multithreaded/SMP motion estimation
514- multithreaded/SMP encoding for MPEG-1/MPEG-2/MPEG-4/H.263
515- multithreaded/SMP decoding for MPEG-2
516- FLAC decoder
517- Metrowerks CodeWarrior suppport
e0db8cfb 518- H.263+ custom pcf support
1defd2a8 519- nicer output for 'ffmpeg -formats'
e0db8cfb 520- Matroska demuxer
1defd2a8 521- SGI image format, encoding and decoding
522- H.264 loop filter support
523- H.264 CABAC support
f073a393 524- nicer looking arrows for the motion vector visualization
525- improved VCD support
526- audio timestamp drift compensation
e0db8cfb 527- MPEG-2 YUV 422/444 support
528- polyphase kaiser windowed sinc and blackman nuttall windowed sinc audio resample
529- better image scaling
e0db8cfb 530- H.261 support
531- correctly interleave packets during encoding
532- VIS optimized motion compensation
533- intra_dc_precision>0 encoding support
534- support reuse of motion vectors/MB types/field select values of the source video
535- more accurate deblock filter
536- padding support
537- many optimizations and bugfixes
055dc116 538- FunCom ISS audio file demuxer and according ADPCM decoding
2fdf638b 539
0ca3e336 540
541version 0.4.8:
e0db8cfb 543- MPEG-2 video encoding (Michael)
d9d8910b 544- Id RoQ playback subsystem (Mike Melanson and Tim Ferguson)
545- Wing Commander III Movie (.mve) file playback subsystem (Mike Melanson
546 and Mario Brito)
547- Xan DPCM audio decoder (Mario Brito)
186447f8 548- Interplay MVE playback subsystem (Mike Melanson)
549- Duck DK3 and DK4 ADPCM audio decoders (Mike Melanson)
0ca3e336 551
b17e9c99 552version 0.4.7:
e07702ba 553
e0db8cfb 554- RealAudio 1.0 (14_4) and 2.0 (28_8) native decoders. Author unknown, code from mplayerhq
124ba583 555 (originally from public domain player for Amiga at
e0db8cfb 556- current version now also compiles with older GCC (Fabrice)
557- 4X multimedia playback system including 4xm file demuxer (Mike
558 Melanson), and 4X video and audio codecs (Michael)
559- Creative YUV (CYUV) decoder (Mike Melanson)
560- FFV1 codec (our very simple lossless intra only codec, compresses much better
561 than HuffYUV) (Michael)
562- ASV1 (Asus), H.264, Intel indeo3 codecs have been added (various)
563- tiny PNG encoder and decoder, tiny GIF decoder, PAM decoder (PPM with
564 alpha support), JPEG YUV colorspace support. (Fabrice Bellard)
565- ffplay has been replaced with a newer version which uses SDL (optionally)
e0db8cfb 566 for multiplatform support (Fabrice)
567- Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
568 by anonymous
569- AMR format has been added (Johannes Carlsson)
e0db8cfb 570- 3GP support has been added (Johannes Carlsson)
571- VP3 codec has been added (Mike Melanson)
572- more MPEG-1/2 fixes
573- better multiplatform support, MS Visual Studio fixes (various)
574- AltiVec optimizations (Magnus Damn and others)
e07702ba 575- SH4 processor support has been added (BERO)
576- new public interfaces (avcodec_get_pix_fmt) (Roman Shaposhnick)
577- VOB streaming support (Brian Foley)
578- better MP3 autodetection (Andriy Rysin)
579- qpel encoding (Michael)
580- 4mv+b frames encoding finally fixed (Michael)
581- chroma ME (Michael)
582- 5 comparison functions for ME (Michael)
583- B-frame encoding speedup (Michael)
584- WMV2 codec (unfinished - Michael)
d3d10087 585- user specified diamond size for EPZS (Michael)
586- Playstation STR playback subsystem, still experimental (Mike and Michael)
587- ASV2 codec (Michael)
588- CLJR decoder (Alex)
d3d10087 589
e0db8cfb 590.. And lots more new enhancements and fixes.
e07702ba 591
0ca3e336 592
d3d10087 593version 0.4.6:
739d6efa 594
595- completely new integer only MPEG audio layer 1/2/3 decoder rewritten
596 from scratch
597- Recoded DCT and motion vector search with gcc (no longer depends on nasm)
598- fix quantization bug in AC3 encoder
599- added PCM codecs and format. Corrected WAV/AVI/ASF PCM issues
600- added prototype ffplay program
601- added GOB header parsing on H.263/H.263+ decoder (Juanjo)
602- bug fix on MCBPC tables of H.263 (Juanjo)
603- bug fix on DC coefficients of H.263 (Juanjo)
604- added Advanced Prediction Mode on H.263/H.263+ decoder (Juanjo)
605- now we can decode H.263 streams found in QuickTime files (Juanjo)
606- now we can decode H.263 streams found in VIVO v1 files(Juanjo)
644d98a4 607- preliminary RTP "friendly" mode for H.263/H.263+ coding. (Juanjo)
608- added GOB header for H.263/H.263+ coding on RTP mode (Juanjo)
609- now H.263 picture size is returned on the first decoded frame (Juanjo)
7f913a35 610- added first regression tests
e0db8cfb 611- added MPEG-2 TS demuxer
a31e01c5 612- new demux API for libav
6d291820 613- more accurate and faster IDCT (Michael)
e0db8cfb 614- faster and entropy-controlled motion search (Michael)
615- two pass video encoding (Michael)
616- new video rate control (Michael)
617- added MSMPEG4V1, MSMPEGV2 and WMV1 support (Michael)
618- great performance improvement of video encoders and decoders (Michael)
619- new and faster bit readers and vlc parsers (Michael)
e0db8cfb 620- high quality encoding mode: tries all macroblock/VLC types (Michael)
621- added DV video decoder
622- preliminary RTP/RTSP support in ffserver and libavformat
623- H.263+ AIC decoding/encoding support (Juanjo)
624- VCD MPEG-PS mode (Juanjo)
625- PSNR stuff (Juanjo)
626- simple stats output (Juanjo)
627- 16-bit and 15-bit RGB/BGR/GBR support (Bisqwit)
739d6efa 628
0ca3e336 629
630version 0.4.5:
632- some header fixes (Zdenek Kabelac <kabi at>)
633- many MMX optimizations (Nick Kurshev <nickols_k at>)
634- added configure system (actually a small shell script)
635- added MPEG audio layer 1/2/3 decoding using LGPL'ed mpglib by
de6d9b64 636 Michael Hipp (temporary solution - waiting for integer only
637 decoder)
638- fixed VIDIOCSYNC interrupt
639- added Intel H.263 decoding support ('I263' AVI fourCC)
640- added Real Video 1.0 decoding (needs further testing)
641- simplified image formats again. Added PGM format (=grey
642 pgm). Renamed old PGM to PGMYUV.
643- fixed msmpeg4 slice issues (tell me if you still find problems)
644- fixed OpenDivX bugs with newer versions (added VOL header decoding)
645- added support for MPlayer interface
646- added macroblock skip optimization
647- added MJPEG decoder
648- added mmx/mmxext IDCT from libmpeg2
0c1e384c 649- added pgmyuvpipe, ppm, and ppm_pipe formats (original patch by Celer
dd5cf2ad 650 <celer at>)
651- added pixel format conversion layer (e.g. for MJPEG or PPM)
652- added deinterlacing option
653- MPEG-1/2 fixes
654- MPEG-4 vol header fixes (Jonathan Marsden <snmjbm at>)
655- ARM optimizations (Lionel Ulmer <lionel.ulmer at>).
656- Windows porting of file converter
657- added MJPEG raw format (input/ouput)
658- added JPEG image format support (input/output)
de6d9b64 659
0ca3e336 660
661version 0.4.4:
663- fixed some std header definitions (Bjorn Lindgren
dd5cf2ad 664 <bjorn.e.lindgren at>).
665- added MPEG demuxer (MPEG-1 and 2 compatible).
666- added ASF demuxer
667- added prototype RM demuxer
668- added AC3 decoding (done with libac3 by Aaron Holtzman)
669- added decoding codec parameter guessing (.e.g. for MPEG, because the
670 header does not include them)
671- fixed header generation in MPEG-1, AVI and ASF muxer: wmplayer can now
672 play them (only tested video)
673- fixed H.263 white bug
674- fixed phase rounding in img resample filter
675- add MMX code for polyphase img resample filter
676- added CPU autodetection
677- added generic title/author/copyright/comment string handling (ASF and RM
678 use them)
de6d9b64 679- added SWF demux to extract MP3 track (not usable yet because no MP3
680 decoder)
681- added fractional frame rate support
de6d9b64 682- codecs are no longer searched by read_header() (should fix ffserver
e0db8cfb 683 segfault)
de6d9b64 684
0ca3e336 685
686version 0.4.3:
dd5cf2ad 688- BGR24 patch (initial patch by Jeroen Vreeken <pe1rxq at>)
689- fixed raw yuv output
690- added motion rounding support in MPEG-4
691- fixed motion bug rounding in MSMPEG4
692- added B-frame handling in video core
693- added full MPEG-1 decoding support
694- added partial (frame only) MPEG-2 support
de6d9b64 695- changed the FOURCC code for H.263 to "U263" to be able to see the
696 +AVI/H.263 file with the UB Video H.263+ decoder. MPlayer works with
697 this +codec ;) (JuanJo).
698- Halfpel motion estimation after MB type selection (JuanJo)
699- added pgm and .Y.U.V output format
700- suppressed 'img:' protocol. Simply use: /tmp/test%d.[pgm|Y] as input or
701 output.
702- added pgmpipe I/O format (original patch from Martin Aumueller
dd5cf2ad 703 <lists at>, but changed completely since we use a format
e0db8cfb 704 instead of a protocol)
de6d9b64 705
0ca3e336 706
707version 0.4.2:
709- added H.263/MPEG-4/MSMPEG4 decoding support. MPEG-4 decoding support
710 (for OpenDivX) is almost complete: 8x8 MVs and rounding are
de6d9b64 711 missing. MSMPEG4 support is complete.
712- added prototype MPEG-1 decoder. Only I- and P-frames handled yet (it
713 can decode ffmpeg MPEGs :-)).
714- added libavcodec API documentation (see apiexample.c).
715- fixed image polyphase bug (the bottom of some images could be
e0db8cfb 716 greenish)
de6d9b64 717- added support for non clipped motion vectors (decoding only)
718 and image sizes non-multiple of 16
719- added support for AC prediction (decoding only)
720- added file overwrite confirmation (can be disabled with -y)
721- added custom size picture to H.263 using H.263+ (Juanjo)
de6d9b64 722
0ca3e336 723
724version 0.4.1:
726- added MSMPEG4 (aka DivX) compatible encoder. Changed default codec
727 of AVI and ASF to DIV3.
728- added -me option to set motion estimation method
729 (default=log). suppressed redundant -hq option.
730- added options -acodec and -vcodec to force a given codec (useful for
731 AVI for example)
732- fixed -an option
733- improved dct_quantize speed
734- factorized some motion estimation code
de6d9b64 735
0ca3e336 736
737version 0.4.0:
739- removing grab code from ffserver and moved it to ffmpeg. Added
740 multistream support to ffmpeg.
de6d9b64 741- added timeshifting support for live feeds (option ?date=xxx in the
e0db8cfb 742 URL)
de6d9b64 743- added high quality image resize code with polyphase filter (need
56cc85a0 744 mmx/see optimization). Enable multiple image size support in ffserver.
e0db8cfb 745- added multi live feed support in ffserver
746- suppressed master feature from ffserver (it should be done with an
747 external program which opens the .ffm url and writes it to another
748 ffserver)
749- added preliminary support for video stream parsing (WAV and AVI half
750 done). Added proper support for audio/video file conversion in
de6d9b64 751 ffmpeg.
752- added preliminary support for video file sending from ffserver
753- redesigning I/O subsystem: now using URL based input and output
754 (see avio.h)
755- added WAV format support
756- added "tty user interface" to ffmpeg to stop grabbing gracefully
757- added MMX/SSE optimizations to SAD (Sums of Absolutes Differences)
dd5cf2ad 758 (Juan J. Sierralta P. a.k.a. "Juanjo" <juanjo at>)
759- added MMX DCT from mpeg2_movie 1.5 (Juanjo)
760- added new motion estimation algorithms, log and phods (Juanjo)
761- changed directories: libav for format handling, libavcodec for
762 codecs
de6d9b64 763
0ca3e336 764
765version 0.3.4:
e0db8cfb 767- added stereo in MPEG audio encoder
de6d9b64 768
0ca3e336 769
770version 0.3.3:
772- added 'high quality' mode which use motion vectors. It can be used in
773 real time at low resolution.
774- fixed rounding problems which caused quality problems at high
e0db8cfb 775 bitrates and large GOP size
de6d9b64 776
0ca3e336 777
778version 0.3.2: small fixes
e0db8cfb 780- ASF fixes
781- put_seek bug fix
0ca3e336 783
784version 0.3.1: added avi/divx support
786- added AVI support
787- added MPEG-4 codec compatible with OpenDivX. It is based on the H.263 codec
788- added sound for flash format (not tested)
0ca3e336 790
de6d9b64 791version 0.3: initial public release