internal static PlayRange Merge(this IMediaSource mediaSource, PlayRange first, PlayRange second)
{
if (!mediaSource.CanMerge(first, second))
{
throw new InvalidOperationException();
}
first = mediaSource.Adjust(first);
second = mediaSource.Adjust(second);
if (mediaSource.HasNativeDuration())
{
return(PlayRange.Merge(first, second));
}
else
{
return(new PlayRange(first.Duration + second.Duration));
}
}
