lavfi/scale: document behavior with regards to the output sample aspect ratio

Also show the input and output sample aspect ratio in the log.
This commit is contained in:
Stefano Sabatini
2012-03-17 12:28:35 +01:00
parent 2560d3b648
commit fdffaa6b11
2 changed files with 9 additions and 4 deletions

View File

@ -2212,6 +2212,9 @@ can be used to test the monowhite pixel format descriptor definition.
Scale the input video to @var{width}:@var{height}[:@var{interl}=@{1|-1@}] and/or convert the image format.
The scale filter forces the output display aspect ratio to be the same
of the input, by changing the output sample aspect ratio.
The parameters @var{width} and @var{height} are expressions containing
the following constants: