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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 910fc1fe79..5b49687645 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -4587,6 +4587,33 @@ Using >0 and <1 values will make less conservative gain adjustments, like when framelen option is set to smaller value, if framelen option value is compensated for non-zero overlap then gain adjustments will be smoother across time compared to zero overlap case. + +@item curve, v +Specify the peak mapping curve expression which is going to be used when calculating +gain applied to frames. The max output frame gain will still be limited by other +options mentioned previously for this filter. + +The expression can contain the following constants: + +@table @option +@item ch +current channel number + +@item sn +current sample number + +@item nb_channels +number of channels + +@item t +timestamp expressed in seconds + +@item sr +sample rate + +@item p +current frame peak value +@end table @end table @subsection Commands |