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Timo Rothenpieler 416923346a compat/cuda: switch from powf to __powf intrinsic 
The powf builtin causes crashes on older clang, so manually implement
the (faster) intrinsic.
The code it spawns is identical to that of nvcc.
 		2022-09-03 20:27:34 +02:00
compat compat/cuda: switch from powf to __powf intrinsic 2022-09-03 20:27:34 +02:00
doc avutil/file: Properly deprecate av_tempfile() 2022-09-03 15:42:40 +02:00
ffbuild ffbuild/common: Fix CPPFLAGS applied for compiling C++ files 2022-05-24 21:30:52 +02:00
fftools fftools/ffmpeg_opt: Check creation of new program 2022-09-01 14:26:01 +02:00
libavcodec avcodec/codec_internal: Add macros for update_thread_context(_for_user) 2022-09-03 15:42:57 +02:00
libavdevice avutil/internal: Move avpriv-file API to a header of its own 2022-09-03 15:41:44 +02:00
libavfilter compat/cuda: switch from powf to __powf intrinsic 2022-09-03 20:27:34 +02:00
libavformat avutil/internal: Move avpriv-file API to a header of its own 2022-09-03 15:41:44 +02:00
libavutil avcodec/codec_internal: Add macros for update_thread_context(_for_user) 2022-09-03 15:42:57 +02:00
libpostproc configure: always enable gnu_windres if available 2022-08-13 14:42:36 +02:00
libswresample lswr: take const AVChannelLayout* in swr_alloc_set_opts2() 2022-08-24 18:31:05 -05:00
libswscale libswscale: add support for VUYX format 2022-08-25 19:03:49 -07:00
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tests libswscale: add support for VUYX format 2022-08-25 19:03:49 -07:00
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Changelog avfilter: add bilateral_cuda filter 2022-09-03 15:18:56 +02:00
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configure avfilter: add bilateral_cuda filter 2022-09-03 15:18:56 +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 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.