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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 0c7527fd11..9f190f9bca 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -1998,7 +1998,15 @@ setsar=sar=10/11 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. +This filter accepts the following options: + +@table @option + +@item expr +The expression which is evaluated into the output timebase. + +@end table + The expression can contain the constants "PI", "E", "PHI", "AVTB" (the default timebase), and "intb" (the input timebase). @@ -2008,10 +2016,10 @@ Follow some examples. @example # set the timebase to 1/25 -settb=1/25 +settb=expr=1/25 # set the timebase to 1/10 -settb=0.1 +settb=expr=0.1 #set the timebase to 1001/1000 settb=1+0.001 |