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Mark Thompson f3602875b3 hwcontext_vaapi: Set message callbacks on internally-created devices 
The message callbacks are library-safe in libva2, so we can now use
them.
2017-10-09 00:11:53 +01:00
compat compat/cuda/ptx2c: strip CR from each line 2017-08-30 11:20:34 +02:00
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fftools ffmpeg: always use single threaded decoding for attached pictures 2017-10-08 22:32:13 +02:00
libavcodec vaapi: Always free parameter buffers after vaEndPicture() with libva2 2017-10-09 00:11:53 +01:00
libavdevice lavd/decklink_dec: Do not claim to output transparency information. 2017-10-08 22:58:33 +02:00
libavfilter vaapi: Always free parameter buffers after vaEndPicture() with libva2 2017-10-09 00:11:53 +01:00
libavformat lavf/rtpenc: Add support for little-endian G.726. 2017-10-07 20:47:10 +02:00
libavresample build: Generalize yasm/nasm-related variable names 2017-06-21 17:00:29 -03:00
libavutil hwcontext_vaapi: Set message callbacks on internally-created devices 2017-10-09 00:11:53 +01:00
libpostproc postproc: remove usage of deprecated QP_STORE_T define 2017-08-30 14:44:27 -03:00
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README.md
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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 analysis tool to inspect multimedia content.
  • ffserver is a multimedia streaming server for live broadcasts.
  • 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.