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James Almer 3e6cec1286 avformat/mov_chan: add extra checks to channel description count 
Make sure it's not zero, and equal or bigger than number of channels

Fixes: Timeout / DOS
Fixes: 67143/clusterfuzz-testcase-minimized-ffmpeg_dem_CAF_fuzzer-4858720481771520

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit 1c706cec46)
2024-09-17 15:42:37 -03:00
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libavfilter avfilter/vf_xfade: Check ff_inlink_consume_frame() for failure 2024-07-25 20:36:18 +02:00
libavformat avformat/mov_chan: add extra checks to channel description count 2024-09-17 15:42:37 -03:00
libavutil avutil/hwcontext_vaapi: use the correct type for VASurfaceAttribExternalBuffers.buffers 2024-08-01 12:14:46 -03:00
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libswscale swscale: [loongarch] Fix checkasm-sw_yuv2rgb failure. 2024-08-02 22:14:45 +02:00
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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.