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Mark Thompson 309d660775 hwcontext: Perform usual initialisation on derived device contexts 
The initialisation should be common.  For libmfx, it was previously
happening in the derivation function and this moves it out.  For VAAPI,
it fixes some failures when deriving from a DRM device because this
initialisation did not run.
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
doc avfilter/vf_fps: add eof_action filter option 2017-10-06 17:11:20 +02:00
ffbuild build: Skip generating .version files when cleaning 2017-09-10 01:22:57 -03:00
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: Perform usual initialisation on derived device contexts 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
libswresample swresample/resample: Fix flush refelction length 2017-08-16 00:54:17 +02:00
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MAINTAINERS MAINTAINERS: change the decklink maintainer to myself 2017-10-04 22:44:42 +02:00
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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 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.