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doc/filters: add one more blend example

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
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Paul B Mahol 2017-09-03 20:00:08 +02:00
parent e6e58de03d
commit 05b1c60687
1 changed files with 6 additions and 0 deletions
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doc/filters.texi
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@ -4994,6 +4994,12 @@ Apply transition from bottom layer to top layer in first 10 seconds:
blend=all_expr='A*(if(gte(T,10),1,T/10))+B*(1-(if(gte(T,10),1,T/10)))'
@end example
@item
Apply linear horizontal transition from top layer to bottom layer:
@example
blend=all_expr='A*(X/W)+B*(1-X/W)'
@end example
@item
Apply 1x1 checkerboard effect:
@example