public override bool Parse(AviParser parser)
{
const short MaxLongsPerEntryCount = 16; // Random choice. The only value I've seen up till now is 4.
if (!base.Parse(parser))
{
return(false);
}
ushort longsPerEntry = (ushort)parser.GetShort(Attribute.LongsPerEntry);
if (longsPerEntry > MaxLongsPerEntryCount)
{
return(false);
}
parser.GetByte(Attribute.IndexSubType);
parser.GetByte(Attribute.IndexType);
parser.GetInt(Attribute.EntriesInUse);
parser.GetInt(Attribute.ChunkId);
parser.GetInt(Attribute.Reserved);
parser.GetInt(Attribute.Reserved);
parser.GetInt(Attribute.Reserved);
if (longsPerEntry > 0)
{
ulong bytesRemaining = parser.BytesRemaining;
parser.Parse(new IndexTableAttribute(longsPerEntry, bytesRemaining));
ulong numberOfEntriesInTable = bytesRemaining / (uint)(longsPerEntry * 4);
parser.CheckAttribute(Attribute.IndexTable, numberOfEntriesInTable * longsPerEntry * 4 == bytesRemaining, false);
}
return(Valid);
}
private void ParseStreamType(AviParser parser)
{
byte streamTypeByte0 = parser.GetByte();
byte streamTypeByte1 = parser.GetByte();
StreamType = (InformationType)(((short)streamTypeByte0 << 8) | streamTypeByte1);
parser.AddAttribute(new FormattedAttribute <Attribute, InformationType>(Attribute.InformationType, StreamType));
}
private bool ParseChannel(AviParser parser)
{
byte AsciiValueOfCharacterZero = Convert.ToByte('0');
byte channelByte0 = parser.GetByte();
byte channelByte1 = parser.GetByte();
if (!((char)channelByte0).IsHexDigit() || !((char)channelByte1).IsHexDigit())
{
this.Valid = false;
return(this.Valid);
}
Channel = (byte)((16 * (channelByte0 - AsciiValueOfCharacterZero)) + (channelByte1 - AsciiValueOfCharacterZero));
parser.AddAttribute(new FormattedAttribute <Attribute, byte>(Attribute.Channel, Channel));
return(true);
}
public override bool Parse(AviParser parser)
{
if (!base.Parse(parser))
{
return(false);
}
// The 'Size' property is not set in the base class because this
// class does not have the ChunkFlags.SizeAndType attribute set.
Size = 1;
parser.GetByte(Attribute.PaddingByte);
return(this.Valid);
}
