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Diffstat (limited to 'doc')
-rw-r--r-- | doc/filters.texi | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index e4c1851..3fadd9a 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -428,6 +428,36 @@ ratio of the input image. The default value of @var{width} and @var{height} is 0. +@section settb + +Set the timebase to use for the output frames timestamps. +It is mainly useful for testing timebase configuration. + +It accepts in input an arithmetic expression representing a rational. +The expression can contain the constants "PI", "E", "PHI", "AVTB" (the +default timebase), and "intb" (the input timebase). + +The default value for the input is "intb". + +Follow some examples. + +@example +# set the timebase to 1/25 +settb=1/25 + +# set the timebase to 1/10 +settb=0.1 + +#set the timebase to 1001/1000 +settb=1+0.001 + +#set the timebase to 2*intb +settb=2*intb + +#set the default timebase value +settb=AVTB +@end example + @section slicify Pass the images of input video on to next video filter as multiple |