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vf_split: add documentation to filters.texi

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Stefano Sabatini 2011-05-22 01:32:40 +02:00
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commit 8a5b71d0c3
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doc/filters.texi
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@ -1383,6 +1383,21 @@ not specified it will use the default value of 16.
Adding this in the beginning of filter chains should make filtering
faster due to better use of the memory cache.
@section split
Pass on the input video to two outputs. Both outputs are identical to
the input video.
For example:
@example
[in] split [splitout1][splitout2];
[splitout1] crop=100:100:0:0 [cropout];
[splitout2] pad=200:200:100:100 [padout];
@end example
will create two separate outputs from the same input, one cropped and
one padded.
@section transpose
Transpose rows with columns in the input video and optionally flip it.