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Rodger Combs 86de65fbf0 build: add support for building CUDA files with clang
This avoids using the CUDA SDK at all; instead, we provide a minimal
reimplementation of the basic functionality that lavfi actually uses.
It generates very similar code to what NVCC produces.

The header contains no implementation code derived from the SDK.
The function and type declarations are derived from the SDK only to the
extent required to build a compatible implementation. This is generally
accepted to qualify as fair use.

Because this option does not require the proprietary SDK, it does not require
the "--enable-nonfree" flag in configure.

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
2019-08-04 19:16:59 +02:00
compat build: add support for building CUDA files with clang 2019-08-04 19:16:59 +02:00
doc Update for version 4.2 2019-07-21 18:58:41 +02:00
ffbuild build: add support for building CUDA files with clang 2019-08-04 19:16:59 +02:00
fftools ffmpeg_opt: Respect default disposition when select audio/video 2019-07-03 10:33:44 +08:00
libavcodec avcodec/h263dec: enable nvdec hwaccel 2019-08-04 16:19:25 +02:00
libavdevice Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libavfilter lavfi/vf_thumbnail_cuda: fix operator precedence bug 2019-07-30 15:18:31 +02:00
libavformat avformat/mxfenc: fix index byte count in partition header 2019-07-22 23:27:11 +02:00
libavresample
libavutil Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libpostproc Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libswresample Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
libswscale Bump minor versions to separate 4.2 from master 2019-07-21 18:36:18 +02:00
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tests fate: add hls fmp4 segment type test case 2019-07-15 21:57:43 +08:00
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Changelog build: add support for building CUDA files with clang 2019-08-04 19:16:59 +02:00
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MAINTAINERS MAINTAINERS: remove myself as mailing list maintainer 2019-03-21 11:34:13 -08:00
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README.md
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RELEASE_NOTES RELEASE_NOTES: Based on the version from 4.1 2019-07-21 18:58:41 +02:00
configure build: add support for building CUDA files with clang 2019-08-04 19:16:59 +02:00

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.
  • 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.