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doc: add a section about building with libmfx
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@ -181,6 +181,17 @@ end user having AviSynth or AvxSynth installed - they'll only need to be
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installed to use AviSynth scripts (obviously).
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@end float
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@section Intel QuickSync Video
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Libav can use Intel QuickSync Video (QSV) for accelerated encoding and decoding
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of multiple codecs. To use QSV, Libav must be linked against the @code{libmfx}
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dispatcher, which loads the actual decoding libraries.
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The dispatcher is open source and can be downloaded from
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@url{https://github.com/lu-zero/mfx_dispatch.git}. Libav needs to be configured
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with the @code{--enable-libmfx} option and @code{pkg-config} needs to be able to
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locate the dispatcher's @code{.pc} files.
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@chapter Supported File Formats and Codecs
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You can use the @code{-formats} and @code{-codecs} options to have an exhaustive list.
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