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doc: add basic documentation for libdav1d 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2019-05-20 18:18:33 -03:00
parent 8d9910a23a
commit e1839283bc
2 changed files with 33 additions and 0 deletions
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26
doc/decoders.texi
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@ -47,6 +47,32 @@ top-field-first is assumed
@end table
@section libdav1d
dav1d AV1 decoder.
libdav1d allows libavcodec to decode the AOMedia Video 1 (AV1) codec.
Requires the presence of the libdav1d headers and library during configuration.
You need to explicitly configure the build with @code{--enable-libdav1d}.
@subsection Options
The following option is supported by the libdav1d wrapper.
@table @option
@item framethreads
Set amount of frame threads to use during decoding. The default value is 0 (autodetect).
@item tilethreads
Set amount of tile threads to use during decoding. The default value is 0 (autodetect).
@item filmgrain
Apply film grain to the decoded video if present in the bitstream. The default value
is true.
@end table
@section libdavs2
AVS2-P2/IEEE1857.4 video decoder wrapper.

7
doc/general.texi
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@ -97,6 +97,13 @@ Raw codec2 files are also supported.
To make sense of them the mode in use needs to be specified as a format option:
@code{ffmpeg -f codec2raw -mode 1300 -i input.raw output.wav}.
@section dav1d
FFmpeg can make use of the dav1d library for AV1 video decoding.
Go to @url{https://code.videolan.org/videolan/dav1d} and follow the instructions for
installing the library. Then pass @code{--enable-libdav1d} to configure to enable it.
@section davs2
FFmpeg can make use of the davs2 library for AVS2-P2/IEEE1857.4 video decoding.