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Michael Niedermayer e5993aeb60 avdevice/lavfi: Use avio_closep() to avoid leaving stale pointers in memory 10 years ago
compat compat/avisynth/avxsynth_c: Clear all unused fields in returned structs 10 years ago
doc doc/examples/transcoding: Use avio_closep() in examples as it avoids leaving stale pointers 10 years ago
libavcodec avcodec/dvdsubdec: error on bitmaps with size 0 10 years ago
libavdevice avdevice/lavfi: Use avio_closep() to avoid leaving stale pointers in memory 10 years ago
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ffprobe.c ffprobe: Support extracting the number of reference frames 10 years ago
ffserver.c ffserver: Use avio_closep() to avoid leaving stale pointers in memor 10 years ago
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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 a mean to alter decoded Audio and Video through chain of 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 analisys 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.