public HeaderExtensionObject(TagLib.Asf.File file, long position) : base(file, position)
{
this.children = new List<TagLib.Asf.Object>();
if (!base.Guid.Equals(TagLib.Asf.Guid.AsfHeaderExtensionObject))
{
throw new CorruptFileException("Object GUID incorrect.");
}
if (file.ReadGuid() != TagLib.Asf.Guid.AsfReserved1)
{
throw new CorruptFileException("Reserved1 GUID expected.");
}
if (file.ReadWord() != 6)
{
throw new CorruptFileException("Invalid reserved WORD. Expected '6'.");
}
uint num = file.ReadDWord();
position += 0x2eL;
while (num > 0)
{
TagLib.Asf.Object item = file.ReadObject(position);
position += (long) item.OriginalSize;
num -= (uint) item.OriginalSize;
this.children.Add(item);
}
}
public StreamPropertiesObject(TagLib.Asf.File file, long position) : base(file, position)
{
if (!base.Guid.Equals(TagLib.Asf.Guid.AsfStreamPropertiesObject))
{
throw new CorruptFileException("Object GUID incorrect.");
}
if (base.OriginalSize < 0x4eL)
{
throw new CorruptFileException("Object size too small.");
}
this.stream_type = file.ReadGuid();
this.error_correction_type = file.ReadGuid();
this.time_offset = file.ReadQWord();
int length = (int) file.ReadDWord();
int num2 = (int) file.ReadDWord();
this.flags = file.ReadWord();
this.reserved = file.ReadDWord();
this.type_specific_data = file.ReadBlock(length);
this.error_correction_data = file.ReadBlock(num2);
}
protected Object(TagLib.Asf.File file, long position)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
if ((position < 0L) || (position > (file.Length - 0x18L)))
{
throw new ArgumentOutOfRangeException("position");
}
file.Seek(position);
this.id = file.ReadGuid();
this.size = file.ReadQWord();
}
public FilePropertiesObject(TagLib.Asf.File file, long position) : base(file, position)
{
if (!base.Guid.Equals(TagLib.Asf.Guid.AsfFilePropertiesObject))
{
throw new CorruptFileException("Object GUID incorrect.");
}
if (base.OriginalSize < 0x68L)
{
throw new CorruptFileException("Object size too small.");
}
this.file_id = file.ReadGuid();
this.file_size = file.ReadQWord();
this.creation_date = file.ReadQWord();
this.data_packets_count = file.ReadQWord();
this.send_duration = file.ReadQWord();
this.play_duration = file.ReadQWord();
this.preroll = file.ReadQWord();
this.flags = file.ReadDWord();
this.minimum_data_packet_size = file.ReadDWord();
this.maximum_data_packet_size = file.ReadDWord();
this.maximum_bitrate = file.ReadDWord();
}
protected bool Parse(TagLib.Asf.File file)
{
this.lang_list_index = file.ReadWord();
this.stream_number = file.ReadWord();
ushort length = file.ReadWord();
this.type = (DataType) file.ReadWord();
int num2 = (int) file.ReadDWord();
this.name = file.ReadUnicode(length);
switch (this.type)
{
case DataType.Unicode:
this.strValue = file.ReadUnicode(num2);
break;
case DataType.Bytes:
this.byteValue = file.ReadBlock(num2);
break;
case DataType.Bool:
case DataType.DWord:
this.longValue = file.ReadDWord();
break;
case DataType.QWord:
this.longValue = file.ReadQWord();
break;
case DataType.Word:
this.longValue = file.ReadWord();
break;
case DataType.Guid:
this.guidValue = file.ReadGuid();
break;
default:
return false;
}
return true;
}