doc/filters: layout requirements for xstack

This commit is contained in:
Gyan Doshi 2019-05-07 17:54:24 +05:30
parent b3b7ba623f
commit a0328f05dc

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@ -18388,6 +18388,9 @@ where X is video input from which to take width or height.
Multiple values can be used when separated by '+'. In such
case values are summed together.
For 2 inputs, a default layout of @code{0_0|w0_0} is set. In all other cases,
a layout must be set by the user.
@item shortest
If set to 1, force the output to terminate when the shortest input
terminates. Default value is 0.