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author | Stefano Sabatini <stefasab@gmail.com> | 2012-12-12 15:36:25 +0400 |
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committer | Stefano Sabatini <stefasab@gmail.com> | 2012-12-15 23:56:14 +0400 |
commit | a871b5cc98c2c0be6945502b8dbab791fe2f550c (patch) | |
tree | 0a220c57a0c6ec964770dff6dc619e4986694705 /doc | |
parent | 6722f35dd33d8833ea021355aa97abdace3fe856 (diff) |
doc/filters: extend syntax description for transpose, and add examples
Diffstat (limited to 'doc')
-rw-r--r-- | doc/filters.texi | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 794fd47345..55a6f68c80 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -3946,7 +3946,12 @@ Default mode is @code{merge}. Transpose rows with columns in the input video and optionally flip it. -This filter accepts the following named parameters: +The filter accepts parameters as a list of @var{key}=@var{value} +pairs, separated by ":". If the key of the first options is omitted, +the arguments are interpreted according to the following syntax: +@example +transpose=@var{dir}:@var{passthrough} +@end example @table @option @item dir @@ -4005,6 +4010,17 @@ Preserve landscape geometry (when @var{width} >= @var{height}). Default value is @code{none}. @end table +For example to rotate by 90 degrees clockwise and preserve portrait +layout: +@example +transpose=dir=1:passthrough=portrait +@end example + +The command above can also be specified as: +@example +transpose=1:portrait +@end example + @section unsharp Sharpen or blur the input video. |