doc/filters: add [] labels for the graph of the opening paragraph example

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
This commit is contained in:
Timothy Gu 2013-09-21 15:39:35 -07:00 committed by Stefano Sabatini
parent 21f6ff3801
commit ca10d66719

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@ -9,9 +9,10 @@ To illustrate the sorts of things that are possible, we consider the
following filtergraph.
@example
[main]
input --> split ---------------------> overlay --> output
| ^
| |
|[tmp] [flip]|
+-----> crop --> vflip -------+
@end example