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Anton Khirnov 031c9601d0 lavc/pthread_frame: avoid leaving stale hwaccel state in worker threads
This state is not refcounted, so make sure it always has a well-defined
owner.

Remove the block added in 091341f2ab, as
this commit also solves that issue in a more general way.

(cherry picked from commit cc867f2c09)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit 35aa7e70e7)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit 3bc28e9d1a)
Signed-off-by: Anton Khirnov <anton@khirnov.net>
(cherry picked from commit d4b7b3c03e)
2024-04-03 18:50:26 -03:00
compat compat/cuda/ptx2c: remove shell loop; fix BSD sed compat 2020-06-01 22:10:41 -05:00
doc Update for FFmpeg 4.3.6 2023-04-16 02:22:28 +02:00
ffbuild common.mak: Also clean Windows debug files. 2020-03-21 18:46:00 +01:00
fftools fftools/ffplay: do not write out of rdft visualization texture 2021-03-28 01:14:33 +01:00
libavcodec lavc/pthread_frame: avoid leaving stale hwaccel state in worker threads 2024-04-03 18:50:26 -03:00
libavdevice Bump minor versions to separate 4.3 from master 2020-06-08 22:49:04 +02:00
libavfilter avfilter/vf_untile: swap the chroma shift values used for plane offsets 2023-03-16 17:10:43 -03:00
libavformat avformat/mov: Check if a key is longer than the atom containing it 2024-04-02 09:20:11 -03:00
libavresample
libavutil avutil/mathematics: Document av_rescale_rnd() behavior on non int64 results 2021-10-21 15:25:55 +02:00
libpostproc Bump minor versions to separate 4.3 from master 2020-06-08 22:49:04 +02:00
libswresample swresample/audioconvert: Fix left shift of negative value 2021-02-27 07:20:58 +01:00
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README.md
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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.