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-rw-r--r--doc/indevs.texi6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/indevs.texi b/doc/indevs.texi
index a5a91fa933..8ac102b274 100644
--- a/doc/indevs.texi
+++ b/doc/indevs.texi
@@ -320,6 +320,12 @@ label, but all the others need to be specified explicitly.
If not specified defaults to the filename specified for the input
device.
+
+@item graph_file
+Set the filename of the filtergraph to be read and sent to the other
+filters. Syntax of the filtergraph is the same as the one specified by
+the option @var{graph}.
+
@end table
@subsection Examples