[FFmpeg-devel] [PATCH] doc/filters: update documentation

Stefano Sabatini stefasab at gmail.com
Wed Jul 11 17:48:22 CEST 2012

In particular, assume existence of audio and sink filters.
 doc/filters.texi |   13 ++++++-------
 1 files changed, 6 insertions(+), 7 deletions(-)

diff --git a/doc/filters.texi b/doc/filters.texi
index 4332fd3..d3aab95 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -33,22 +33,21 @@ ffmpeg -i input -vf "[in] split [T1], fifo, [T2] overlay=0:H/2 [out]; [T1] fifo,
 The result will be that in output the top half of the video is mirrored
 onto the bottom half.
-Video filters are loaded using the @var{-vf} option passed to
+Filters are loaded using the @var{-vf} and @var{-af} option passed to
 @command{ffmpeg} or to @command{ffplay}. Filters in the same linear
 chain are separated by commas. In our example, @var{split, fifo,
 overlay} are in one linear chain, and @var{fifo, crop, vflip} are in
 another. The points where the linear chains join are labeled by names
 enclosed in square brackets. In our example, that is @var{[T1]} and
- at var{[T2]}. The magic labels @var{[in]} and @var{[out]} are the points
+ at var{[T2]}. The labels @var{[in]} and @var{[out]} are the points
 where video is input and output.
 Some filters take in input a list of parameters: they are specified
-after the filter name and an equal sign, and are separated each other
-by a semicolon.
+after the filter name and an equal sign.
-There exist so-called @var{source filters} that do not have a video
-input, and we expect in the future some @var{sink filters} that will
-not have video output.
+There exist so-called @var{source filters} that do not have an
+audio/video input, and @var{sink filters} that will not have audio/video

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