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Extend documentation for format and noformat filters, and remove

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explicit reference to the ffmpeg tool command for keeping the docs
more generic.

Originally committed as revision 26098 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Stefano Sabatini 2010-12-26 11:52:26 +00:00
parent 17fc94933b
commit f150e4dc2c
1 changed files with 13 additions and 11 deletions
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doc/filters.texi
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@ -366,13 +366,14 @@ the next filter.
The filter accepts a list of pixel format names, separated by ":",
for example "yuv420p:monow:rgb24".
The following command:
Some examples follow:
@example
./ffmpeg -i in.avi -vf "format=yuv420p" out.avi
@end example
# convert the input video to the format "yuv420p"
format=yuv420p
will convert the input video to the format "yuv420p".
# convert the input video to any of the formats in the list
format=yuv420p:yuv444p:yuv410p
@end example
@anchor{frei0r}
@section frei0r
@ -499,14 +500,15 @@ input to the next filter.
The filter accepts a list of pixel format names, separated by ":",
for example "yuv420p:monow:rgb24".
The following command:
Some examples follow:
@example
./ffmpeg -i in.avi -vf "noformat=yuv420p, vflip" out.avi
@end example
# force libavfilter to use a format different from "yuv420p" for the
# input to the vflip filter
noformat=yuv420p,vflip
will make libavfilter use a format different from "yuv420p" for the
input to the vflip filter.
# convert the input video to any of the formats not contained in the list
noformat=yuv420p:yuv444p:yuv410p
@end example
@section null