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Consistently prefer @var{VAR} over ``VAR'' for indicating filter

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parameters.

Originally committed as revision 22958 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-04-24 10:14:05 +00:00
parent 6204402409
commit 931b832add
1 changed files with 11 additions and 11 deletions
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22
doc/libavfilter.texi
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@ -110,18 +110,18 @@ Below is a description of the currently available video filters.
@section crop @section crop
Crop the input video to x:y:width:height. Crop the input video to @var{x}:@var{y}:@var{width}:@var{height}.
@example @example
./ffmpeg -i in.avi -vfilters "crop=0:0:0:240" out.avi ./ffmpeg -i in.avi -vfilters "crop=0:0:0:240" out.avi
@end example @end example
``x'' and ``y'' specify the position of the top-left corner of the @var{x} and @var{y} specify the position of the top-left corner of the
output (non-cropped) area. output (non-cropped) area.
The default value of ``x'' and ``y'' is 0. The default value of @var{x} and @var{y} is 0.
The ``width'' and ``height'' parameters specify the width and height The @var{width} and @var{height} parameters specify the width and height
of the output (non-cropped) area. of the output (non-cropped) area.
A value of 0 is interpreted as the maximum possible size contained in A value of 0 is interpreted as the maximum possible size contained in
@ -137,7 +137,7 @@ will delimit the rectangle with the top-left corner placed at position
100:100 and the right-bottom corner corresponding to the right-bottom 100:100 and the right-bottom corner corresponding to the right-bottom
corner of the input image. corner of the input image.
The default value of ``width'' and ``height'' is 0. The default value of @var{width} and @var{height} is 0.
@section format @section format
@ -179,7 +179,7 @@ Pass the source unchanged to the output.
@section scale @section scale
Scale the input video to width:height and/or convert the image format. Scale the input video to @var{width}:@var{height} and/or convert the image format.
For example the command: For example the command:
@ -193,14 +193,14 @@ If the input image format is different from the format requested by
the next filter, the scale filter will convert the input to the the next filter, the scale filter will convert the input to the
requested format. requested format.
If the value for ``width'' or ``height'' is 0, the respective input If the value for @var{width} or @var{height} is 0, the respective input
size is used for the output. size is used for the output.
If the value for ``width'' or ``height'' is -1, the scale filter will If the value for @var{width} or @var{height} is -1, the scale filter will
use, for the respective output size, a value that maintains the aspect use, for the respective output size, a value that maintains the aspect
ratio of the input image. ratio of the input image.
The default value of ``width'' and ``height'' is 0. The default value of @var{width} and @var{height} is 0.
@section slicify @section slicify
@ -288,10 +288,10 @@ Null video source, never return images. It is mainly useful as a
template and to be employed in analysis / debugging tools. template and to be employed in analysis / debugging tools.
It accepts as optional parameter a string of the form It accepts as optional parameter a string of the form
``width:height'', where ``width'' and ``height'' specify the size of @var{width}:@var{height}, where @var{width} and @var{height} specify the size of
the configured source. the configured source.
The default values of ``width'' and ``height'' are respectively 352 The default values of @var{width} and @var{height} are respectively 352
and 288 (corresponding to the CIF size format). and 288 (corresponding to the CIF size format).
@chapter Available video sinks @chapter Available video sinks