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Derek Buitenhuis 85f397c828 avformat/mov: Fix extended atom size buffer length check When extended atom size support was added to probing in `fec4a2d232`, the buffer size check was backwards, but probing continued to work because there was no minimum size check yet, so despite size being 1 on these atoms, and failing to read the 64-bit size, the tag was still correctly read. When `0b78016b2d` introduced a minimum size check, this exposed the bug, and broke probing any files with extended atom sizes, such as entirely valid large files that start whith mdat atoms. Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>		2021-03-21 14:14:36 +00:00
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libavcodec	lavc/aomenc: Force default qmax of 0 if crf was set to 0.	2021-03-21 09:46:23 +01:00
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libavformat	avformat/mov: Fix extended atom size buffer length check	2021-03-21 14:14:36 +00:00
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configure	configure: select child muxers for rtp_mpegts	2021-03-21 15:50:23 +05:30

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.