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Andreas Rheinhardt 0aaabe1fd7 avcodec/get_buffer: Remove redundant check 
It is unnecessary to check for whether the number of planes
of an already existing audio pool coincides with the number
of planes to use for the frame: If the common format of both
is planar, then the number of planes coincides with the number
of channels for which there is already a check*; if not,
then both the existing pool as well as the frame use one pool.

*: In fact, one could reuse the pool in this case even if the
number of channels changes.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2024-06-12 10:37:16 +02:00
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libavcodec avcodec/get_buffer: Remove redundant check 2024-06-12 10:37:16 +02:00
libavdevice avdevice/xcbgrab: Check sscanf() return 2024-06-12 00:39:11 +02:00
libavfilter avfilter/vf_rotate: Check ff_draw_init2() return value 2024-06-12 00:39:14 +02:00
libavformat avformat/mov: Use int64_t in intermediate for corrected_dts 2024-06-12 00:39:13 +02:00
libavutil lavu/hwcontext_vulkan: Support write on drm frame 2024-06-12 01:53:18 +02:00
libpostproc
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libswscale riscv: probe for Zbb extension at load time 2024-06-11 20:12:37 +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.