@item minknorm
The Minkowski parameter to be used for calculating the Minkowski distance. Must
-be chosen in the range [0,65535] and default value is 1. Set to 0 for getting
+be chosen in the range [0,20] and default value is 1. Set to 0 for getting
max value instead of calculating Minkowski distance.
@item sigma
The standard deviation of Gaussian blur to be applied on the scene. Must be
-chosen in the range [0,1024.0] and default value = 1. Sigma can't be set to 0
-if @var{difford} is greater than 0.
+chosen in the range [0,1024.0] and default value = 1. floor( @var{sigma} * break_off_sigma(3) )
+can't be euqal to 0 if @var{difford} is greater than 0.
@end table
@subsection Examples
#if CONFIG_GREYEDGE_FILTER
static const AVOption greyedge_options[] = {
- { "difford", "set differentiation order", OFFSET(difford), AV_OPT_TYPE_INT, {.i64=1}, 0, 2, FLAGS },
- { "minknorm", "set Minkowski norm", OFFSET(minknorm), AV_OPT_TYPE_INT, {.i64=1}, 0, 65535, FLAGS },
- { "sigma", "set sigma", OFFSET(sigma), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.0, 1024.0, FLAGS },
+ { "difford", "set differentiation order", OFFSET(difford), AV_OPT_TYPE_INT, {.i64=1}, 0, 2, FLAGS },
+ { "minknorm", "set Minkowski norm", OFFSET(minknorm), AV_OPT_TYPE_INT, {.i64=1}, 0, 20, FLAGS },
+ { "sigma", "set sigma", OFFSET(sigma), AV_OPT_TYPE_DOUBLE, {.dbl=1}, 0.0, 1024.0, FLAGS },
{ NULL }
};