Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will
have its filter_frame() callback(s) called as usual even when the enable
expression is false. The filter will disable filtering within the
filter_frame() callback(s) itself, for example executing code depending on
the AVFilterContext->is_disabled value.
Same as AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, except that the filter will have its filter_frame() callback(s) called as usual even when the enable expression is false. The filter will disable filtering within the filter_frame() callback(s) itself, for example executing code depending on the AVFilterContext->is_disabled value.