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Andreas Rheinhardt b243be85d9 avformat/matroskadec: Add support for FlagOriginal 
Needs a CountedElement in order to distinguish the case of the element
not being present and the element being present with a value of zero.

(It has been argued by Ridley Combs that one should only ever use the
AV_DISPOSITION_DUB field for audio tracks. Yet given that there is no
definition for the disposition flags, one can also interpret it to mean
that e.g. a subtitle track is meant to be used with the dubbed audio
track or the original audio track. This commit interprets this flag in
this sense, which also allows to maintain it on remuxing.)

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Reviewed-by: Ridley Combs <rcombs@rcombs.me>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2021-03-02 06:54:47 +01:00
compat compat/cuda: correct ushort4 to use ushort 2021-02-22 17:03:52 +01:00
doc doc/codecs.texi: Remove removed or ineffective options 2021-02-28 17:55:39 +01:00
ffbuild ffbuild/common: Make deletion of templates possible 2021-02-07 09:45:04 +01:00
fftools fftools/cmdutils: Use av_strstart instead of strncmp 2021-02-28 17:14:21 +01:00
libavcodec avcodec/h2645_parse: Reduce the initial skipped_bytes_pos size with small inputs 2021-03-01 20:19:15 +01:00
libavdevice Remove double ';' 2021-03-01 06:10:44 +01:00
libavfilter Remove double ';' 2021-03-01 06:10:44 +01:00
libavformat avformat/matroskadec: Add support for FlagOriginal 2021-03-02 06:54:47 +01:00
libavresample avresample: remove deprecated attribute from the AVAudioResampleContext struct 2018-01-09 10:56:53 -03:00
libavutil avutil/spherical: Use av_strstart instead of strncmp 2021-02-28 17:14:21 +01:00
libpostproc lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
libswresample swresample/audioconvert: Fix left shift of negative value 2020-09-30 10:50:45 +02:00
libswscale swscale/x86/swscale: Remove unused ASM constants 2021-02-24 09:47:54 +01:00
presets
tests tests/api-band-test: simplify code 2021-02-25 11:46:28 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for wavpack 2021-02-16 19:02:24 +01:00
.gitattributes fate: add SCC test 2017-01-27 17:06:42 +01:00
.gitignore tools/python: add script to convert TensorFlow model (.pb) to native model (.model) 2019-07-01 10:23:47 -03:00
.mailmap mailmap: add entry for myself 2020-07-13 11:24:04 +08:00
.travis.yml Merge commit '899ee03088d55152a48830df0899887f055da1de' 2019-03-14 15:53:16 -03:00
Changelog avformat: add Digital Pictures SGA game demuxer 2021-03-01 17:41:05 +01:00
configure Handle AVID MJPEG streams directly in the MJPEG decoder. 2021-02-25 11:46:28 +01:00
CONTRIBUTING.md Add CONTRIBUTING.md 2016-09-18 10:02:13 +01:00
COPYING.GPLv2
COPYING.GPLv3
COPYING.LGPLv2.1
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CREDITS
INSTALL.md INSTALL.md: Fix Markdown formatting 2019-01-31 10:29:16 -09:00
LICENSE.md avfilter/vf_geq: Relicense to LGPL 2019-12-28 11:20:48 +01:00
MAINTAINERS MAINTAINERS: update names 2021-01-20 01:04:26 -06:00
Makefile tools/enum_options: fix build and add to Makefile 2020-11-20 15:20:24 +01:00
README.md Remove the ffserver program 2018-01-06 18:31:37 +00:00
RELEASE RELEASE: We are after the 4.3 branch point, update for that 2020-06-10 00:20:24 +02:00

README.md

FFmpeg README

FFmpeg is a collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata.

Libraries

  • libavcodec provides implementation of a wider range of codecs.
  • libavformat implements streaming protocols, container formats and basic I/O access.
  • libavutil includes hashers, decompressors and miscellaneous utility functions.
  • libavfilter provides a mean to alter decoded Audio and Video through chain of filters.
  • libavdevice provides an abstraction to access capture and playback devices.
  • libswresample implements audio mixing and resampling routines.
  • libswscale implements color conversion and scaling routines.

Tools

  • ffmpeg is a command line toolbox to manipulate, convert and stream multimedia content.
  • ffplay is a minimalistic multimedia player.
  • ffprobe is a simple analysis tool to inspect multimedia content.
  • Additional small tools such as aviocat, ismindex and qt-faststart.

Documentation

The offline documentation is available in the doc/ directory.

The online documentation is available in the main website and in the wiki.

Examples

Coding examples are available in the doc/examples directory.

License

FFmpeg codebase is mainly LGPL-licensed with optional components licensed under GPL. Please refer to the LICENSE file for detailed information.

Contributing

Patches should be submitted to the ffmpeg-devel mailing list using git format-patch or git send-email. Github pull requests should be avoided because they are not part of our review process and will be ignored.