/// <summary>
/// Create an instance of the descriptor class for ATSC descriptors.
/// </summary>
/// <param name="byteData">The MPEG2 section containing the descriptor.</param>
/// <param name="index">The index of the tag byte of the descriptor.</param>
/// <returns>A descriptor instance.</returns>
internal static DescriptorBase AtscInstance(byte[] byteData, int index)
{
DescriptorBase descriptor;
switch ((int)byteData[index])
{
case AtscAC3AudioDescriptorTag:
descriptor = new AC3AudioDescriptor();
break;
case AtscCaptionServiceDescriptorTag:
descriptor = new CaptionServiceDescriptor();
break;
case AtscContentAdvisoryDescriptorTag:
descriptor = new ContentAdvisoryDescriptor();
break;
case AtscExtendedChannelNameDescriptorTag:
descriptor = new ExtendedChannelNameDescriptor();
break;
case AtscServiceLocationDescriptorTag:
descriptor = new ServiceLocationDescriptor();
break;
case AtscGenreDescriptorTag:
descriptor = new GenreDescriptor();
break;
default:
descriptor = new DescriptorBase();
break;
}
descriptor.tag = (int)byteData[index];
index++;
descriptor.length = (int)byteData[index];
index++;
descriptor.Process(byteData, index);
return (descriptor);
}
