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James Almer c2f678c307 avformat/mov: don't abort on duplicate Mastering Display Metadata boxes 
The VP9 spec defines a SmDm box for this information, and the ISOBMFF spec defines a
mdvc one. If both are present, just ignore one of them.
This is in line with clli and CoLL boxes.

Fixes ticket #10711.

Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 189c32f536)
2024-03-27 13:56:36 -03:00
compat
doc doc/html: fix styling issue with Texinfo 7.0 2023-12-21 22:44:01 +01:00
ffbuild
fftools
libavcodec avcodec/x86/mathops: clip constants used with shift instructions within inline assembly 2024-03-13 03:26:33 +01:00
libavdevice
libavfilter
libavformat avformat/mov: don't abort on duplicate Mastering Display Metadata boxes 2024-03-27 13:56:36 -03:00
libavresample
libavutil libavutil/ppc/cpu.c: check that AT_HWCAP2 is defined 2023-12-21 22:43:58 +01:00
libpostproc
libswresample
libswscale
presets
tests avcodec/j2kenc: Fix funky bpno errors on decoding 2023-12-21 22:43:37 +01:00
tools tools/target_dec_fuzzer: Adjust threshold for rtv1 2023-12-21 22:43:50 +01:00
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Changelog Update for FFmpeg 4.4.4 2023-04-08 00:06:21 +02:00
configure configure: account for openssl3 license change 2023-05-01 10:54:08 +02:00
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RELEASE Update for FFmpeg 4.4.4 2023-04-08 00:06:21 +02:00
RELEASE_NOTES

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.