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Niklas Haas be13812a23 avfilter/vf_libplacebo: init vulkan device in query_format 
Instead of doing it ad-hoc in `filter_frame`. This is not a huge change
on its own, but paves the way for adding support for more formats in the
future, in particular formats other than AV_PIX_FMT_VULKAN.
 		2022-11-15 16:47:55 +01:00
compat
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doc avfilter/af_dynaudnorm: add curve option 2022-11-10 19:16:05 +01:00
ffbuild
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fftools fftools/ffprobe: Loop over correct number of streams when flushing decoders 2022-11-07 16:13:45 +00:00
libavcodec avcodec/nvenc: use provided constant for max extradata size 2022-11-15 01:32:56 +01:00
libavdevice avdevice/avfoundation: convert to new channel layout-API 2022-11-08 14:08:05 -03:00
libavfilter avfilter/vf_libplacebo: init vulkan device in query_format 2022-11-15 16:47:55 +01:00
libavformat avformat/replaygain: avoid undefined / negative abs 2022-11-04 22:44:16 +01:00
libavutil avutil/hwcontext_cuda: fix compilation without Vulkan after last commit 2022-11-12 15:54:53 -03:00
libpostproc postproc/postprocess_template: Fix alignment 2022-11-09 17:39:00 +01:00
libswresample swresample/rematrix: support mixing top front left/right channels 2022-11-03 19:39:52 -03:00
libswscale swscale/utils: Remove obsolete 3DNow reference 2022-11-09 17:39:00 +01:00
presets
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tests libavfilter/x86/vf_convolution: add sobel filter optimization and unit test with intel AVX512 VNNI 2022-11-14 10:04:16 +08:00
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.mailmap mailmap: stop git lying about who I commit things as 2022-11-04 19:37:46 +01:00
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Changelog Changelog: add forgotten nvenc av1 entry 2022-11-07 20:16:42 +01:00
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MAINTAINERS MAINTAINERS: add myself as amfenc* maintainer 2022-11-10 16:28:07 +01:00
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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 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.