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doc/filters: update documentation 

In particular, assume existence of audio and sink filters.
This commit is contained in:
Stefano Sabatini 2012-07-11 17:47:24 +02:00
parent 5a6c7a218c
commit b65ccce866
1 changed files with 4 additions and 4 deletions
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doc/filters.texi
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@ -33,7 +33,7 @@ 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} or @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
@ -46,9 +46,9 @@ 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.
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
output.
@c man end FILTERING INTRODUCTION