Merge remote-tracking branch 'qatar/master'

[ffmpeg] / doc / ffplay.texi

diff --git a/doc/ffplay.texi b/doc/ffplay.texi
index 0703a549e9a54d1868da63feb0093332069e1d0a..21b4683ae885fe41bb56da035818c39a8c4c94da 100644 (file)
--- a/doc/ffplay.texi
+++ b/doc/ffplay.texi
@@ -74,10 +74,15 @@ You can interactively cycle through the available show modes by
 pressing the key @key{w}.
 
 @item -vf @var{filter_graph}
+Create the filter graph specified by @var{filter_graph} and use it to
+filter the video stream.
+
 @var{filter_graph} is a description of the filter graph to apply to
-the input video.
-Use the option "-filters" to show all the available filters (including
-also sources and sinks).
+the stream, and must have a single video input and a single video
+output. In the filter graph, the input is associated to the label
+@code{in}, and the output to the label @code{out}. See the
+ffmpeg-filters manual for more information about the filtergraph
+syntax.
 
 @item -i @var{input_file}
 Read @var{input_file}.