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documentation: sort filter descriptions in filters.texi

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Change position of the fade filter description, put it between
drawtext and fifo descriptions.
This commit is contained in:
Stefano Sabatini 2011-03-27 23:02:24 +02:00
parent cdf7cbd6c8
commit 681ba7229e
1 changed files with 33 additions and 33 deletions
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doc/filters.texi
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@ -353,39 +353,6 @@ drawbox
drawbox=10:20:200:60:red@@0.5" drawbox=10:20:200:60:red@@0.5"
@end example @end example
@section fade
Apply fade-in/out effect to input video.
It accepts the parameters:
@var{type}:@var{start_frame}:@var{nb_frames}
@var{type} specifies if the effect type, can be either "in" for
fade-in, or "out" for a fade-out effect.
@var{start_frame} specifies the number of the start frame for starting
to apply the fade effect.
@var{nb_frames} specifies the number of frames for which the fade
effect has to last. At the end of the fade-in effect the output video
will have the same intensity as the input video, at the end of the
fade-out transition the output video will be completely black.
A few usage examples follow, usable too as test scenarios.
@example
# fade in first 30 frames of video
fade=in:0:30
# fade out last 45 frames of a 200-frame video
fade=out:155:45
# fade in first 25 frames and fade out last 25 frames of a 1000-frame video
fade=in:0:25, fade=out:975:25
# make first 5 frames black, then fade in from frame 5-24
fade=in:5:20
@end example
@section drawtext @section drawtext
Draw text string or text from specified file on top of video using the Draw text string or text from specified file on top of video using the
@ -500,6 +467,39 @@ within the parameter list.
For more information about libfreetype, check: For more information about libfreetype, check:
@url{http://www.freetype.org/}. @url{http://www.freetype.org/}.
@section fade
Apply fade-in/out effect to input video.
It accepts the parameters:
@var{type}:@var{start_frame}:@var{nb_frames}
@var{type} specifies if the effect type, can be either "in" for
fade-in, or "out" for a fade-out effect.
@var{start_frame} specifies the number of the start frame for starting
to apply the fade effect.
@var{nb_frames} specifies the number of frames for which the fade
effect has to last. At the end of the fade-in effect the output video
will have the same intensity as the input video, at the end of the
fade-out transition the output video will be completely black.
A few usage examples follow, usable too as test scenarios.
@example
# fade in first 30 frames of video
fade=in:0:30
# fade out last 45 frames of a 200-frame video
fade=out:155:45
# fade in first 25 frames and fade out last 25 frames of a 1000-frame video
fade=in:0:25, fade=out:975:25
# make first 5 frames black, then fade in from frame 5-24
fade=in:5:20
@end example
@section fifo @section fifo
Buffer input images and send them when they are requested. Buffer input images and send them when they are requested.