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Linshizhi
ffmpeg.wasm-core
Commits
3092509b
Commit
3092509b
authored
Oct 24, 2011
by
Mark Himsley
Committed by
Michael Niedermayer
Oct 24, 2011
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filters.texi: document interlaced scaling
Signed-off-by:
Michael Niedermayer
<
michaelni@gmx.at
>
parent
3ac1ade1
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3092509b
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@@ -1802,7 +1802,7 @@ can be used to test the monowhite pixel format descriptor definition.
@section scale
Scale the input video to @var{width}:@var{height} and/or convert the image format.
Scale the input video to @var{width}:@var{height}
[:@var{interl}=@{1|-1@}]
and/or convert the image format.
The parameters @var{width} and @var{height} are expressions containing
the following constants:
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@@ -1850,6 +1850,17 @@ ratio of the input image.
The default value of @var{width} and @var{height} is 0.
Valid values for the optional parameter @var{interl} are:
@table @option
@item 1
force interlaced aware scaling
@item -1
select interlaced aware scaling depending on whether the source frames
are flagged as interlaced or not
@end table
Some examples follow:
@example
# scale the input video to a size of 200x100.
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