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Frank Plowman fcf74c5ebc lavc/vvc: Fix buffer overread in CABAC 
The size variable here is taken as gospel for the bounds of the input
buffer in later logic.  Clamp it to ensure that the returned region
does not extend past that allocated in the underlying GetBitContext,
even in the case entry point offsets are signalled in the bitstream.
Also assert this for good measure.

Signed-off-by: Frank Plowman <post@frankplowman.com>
2024-04-09 22:30:18 +08:00
compat avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
doc configure, etc: switch to shebang without space 2024-04-09 16:01:24 +02:00
ffbuild ffbuild/libversion.sh: add shebang 2024-04-09 15:34:53 +02:00
fftools fftools/ffmpeg_filter: implement filtergraph chaining 2024-04-09 10:34:18 +02:00
libavcodec lavc/vvc: Fix buffer overread in CABAC 2024-04-09 22:30:18 +08:00
libavdevice avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libavfilter lavfi/avfilter: add an "auto" constant to the threads option 2024-04-09 10:34:18 +02:00
libavformat lavf/lrc: fix comments in headers 2024-04-06 12:59:56 +02:00
libavutil avutil/pix{desc,fmt}: add new matrix coefficients from H.273 v3 2024-04-03 21:31:35 +03:00
libpostproc avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswresample avutil/common: Don't auto-include mem.h 2024-03-31 00:08:43 +01:00
libswscale swscale/utils: Fix xInc overflow 2024-04-04 19:38:29 +02:00
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MAINTAINERS MAINTAINERS: add myself as dvdvideo demuxer, rcwt muxer maintainer 2024-03-10 15:21:23 +01:00
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README.md
RELEASE RELEASE: update after 7.0 branch 2024-04-02 13:02:39 -03:00

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.