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Derek Buitenhuis e55a80da38 avcodec/librav1e: Pass through timestamps as opaque user data 
avcodec has no facilities to generate timestamps properly from
output frame numbers (and it would be wrong for VFR anyway),
so pass through the timestamps using rav1e's opaque user data
feature, which was added in v0.4.0.

This bumps the minimum librav1e version to 0.4.0.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
 		2021-01-17 14:49:46 +00:00
compat avfilter/scale_cuda: add lanczos algorithm 2020-11-04 01:43:21 +01:00
doc avfilter/vf_datascope: add option to show only subset of components 2021-01-17 13:18:23 +01:00
ffbuild
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fftools ffmpeg: use sigaction() instead of signal() on linux 2021-01-16 16:21:09 -05:00
libavcodec avcodec/librav1e: Pass through timestamps as opaque user data 2021-01-17 14:49:46 +00:00
libavdevice kmsgrab: Do not require the modifier to stay constant. 2021-01-13 23:08:02 +00:00
libavfilter avfilter/vf_datascope: add option to show only subset of components 2021-01-17 13:18:23 +01:00
libavformat avformat/hlsenc: reindent the code 2021-01-16 08:53:27 +08:00
libavresample
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libavutil avutil/timecode: fix sscanf format string with garbage at the end 2021-01-16 08:51:11 +08:00
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
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libswscale lavu/mem: move the DECLARE_ALIGNED macro family to mem_internal on next+1 bump 2021-01-01 14:14:57 +01:00
presets
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tests movenc: Present durations in mvhd/tkhd/mdhd as they are after edits 2021-01-15 15:01:03 +02:00
tools tools/target_dem_fuzzer.c: Decrease maxblocks 2021-01-05 02:00:05 +01:00
.gitattributes
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.gitignore
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.mailmap
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.travis.yml
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CONTRIBUTING.md
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COPYING.GPLv2
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COPYING.GPLv3
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COPYING.LGPLv2.1
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COPYING.LGPLv3
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CREDITS
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Changelog avfilter: add estdif video filter 2021-01-16 14:08:59 +01:00
INSTALL.md
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LICENSE.md
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MAINTAINERS smvjpegdec: merge into mjpegdec 2020-12-10 10:07:09 +01:00
Makefile tools/enum_options: fix build and add to Makefile 2020-11-20 15:20:24 +01:00
README.md
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RELEASE
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configure avcodec/librav1e: Pass through timestamps as opaque user data 2021-01-17 14:49:46 +00:00

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.