public static int GetFilterOutputMax(Filterchain filterchain)
{
if (filterchain == null)
{
throw new ArgumentNullException("filterchain");
}
var context = new FilterMultiOutputContext
{
NumberOfOutputsInFilterchain = filterchain.OutputList.Count
};
return(filterchain.Filters.Max(f =>
{
if (!(f is IFilterMultiOutput))
{
return 1;
}
return (f as IFilterMultiOutput).OutputCount(context);
}));
}
public int OutputCount(FilterMultiOutputContext context)
{
return(NumberOfStreams ?? 2);
}
