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Andreas Rheinhardt 87f243911e avcodec/rl2: Fix undefined pointer arithmetic 
Don't increment back_frame if it does not correspond
to a real buffer. To do this, handle copying from
the back frame separately from the "use coded value"
codepath; also use memcpy for the former, as the
chunks here are typically worth it.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-10-02 20:27:36 +02:00
compat compat/cuda: switch from powf to __powf intrinsic 2022-09-03 20:27:34 +02:00
doc lavu: add an APIchanges entry for RISC-V CPU flags 2022-10-02 11:59:34 +02:00
ffbuild configure: probe RISC-V Vector extension 2022-09-27 13:19:52 +02:00
fftools fftools/ffmpeg: Remove unused frame_bits_per_raw_sample variable 2022-10-02 11:59:25 +02:00
libavcodec avcodec/rl2: Fix undefined pointer arithmetic 2022-10-02 20:27:36 +02:00
libavdevice avformat/internal: Don't include avcodec.h 2022-09-26 03:02:50 +02:00
libavfilter avfilter/vf_extractplanes: add missing break; statement 2022-09-27 19:35:49 +02:00
libavformat avcodec/mpeg4audio: Move ff_copy_pce_data() to a header of its own 2022-10-02 20:16:42 +02:00
libavutil avutil/tests/pixelutils: Test that all non-hw pix fmts have components 2022-09-30 14:33:08 +02:00
libpostproc configure: always enable gnu_windres if available 2022-08-13 14:42:36 +02:00
libswresample swsresample/swresample: error out on invalid layouts 2022-09-14 09:52:33 -03:00
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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.