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Nuo Mi 4de67e8746 avcodec/vvcdec: return error if CTU size > 128 
The v3 spec reserves CTU size 256. Currently, we use an uint8_t* table to hold cb_width and cb_height.
If a CTU size of 256 is not split, cb_width and cb_height will overflow to 0.
To avoid switching to uint16_t, rejecting CTU size 256 provides a simple solution.
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compat compat: Fix the fallback definition of stdc_trailing_zeros 2024-09-24 14:00:27 +03:00
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libavcodec avcodec/vvcdec: return error if CTU size > 128 2024-11-30 09:58:59 +08:00
libavdevice avdevice/dshow: fix unused variable warning 2024-10-17 13:04:17 +02:00
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libavutil avutil/mem_internal: local align should always work 2024-11-29 12:33:03 +08:00
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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 means to alter decoded audio and video through a directed graph of connected 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.