public AICHHash CreateAICHHash(Mpd.Generic.IO.FileDataIO fileInput)
{
AICHHash hash = CreateAICHHash();
hash.Read(fileInput);
return(hash);
}
public bool ReadHashSetsFromPacket(Mpd.Generic.IO.FileDataIO pFile, ref bool rbMD4, ref bool rbAICH)
{
byte byOptions = pFile.ReadUInt8();
bool bMD4Present = (byOptions & 0x01) > 0;
bool bAICHPresent = (byOptions & 0x02) > 0;
// We don't abort on unkown option, because even if there is another unknown hashset, there is no data afterwards we
// try to read on the only occasion this function is used. So we might be able to add optional flags in the future
// without having to adjust the protocol any further (new additional data/hashs should not be appended without adjustement however)
if (bMD4Present && !rbMD4)
{
// Even if we don't want it, we still have to read the file to skip it
byte[] tmpHash = new byte[16];
pFile.ReadHash16(tmpHash);
uint parts = pFile.ReadUInt16();
for (uint i = 0; i < parts; i++)
{
pFile.ReadHash16(tmpHash);
}
}
else if (!bMD4Present)
{
rbMD4 = false;
}
else if (bMD4Present && rbMD4)
{
if (!LoadMD4HashsetFromFile(pFile, true))
{ // corrupt
rbMD4 = false;
rbAICH = false;
return(false);
}
}
if (bAICHPresent && !rbAICH)
{
// Even if we don't want it, we still have to read the file to skip it
AICHHash tmpHash =
MuleApplication.Instance.AICHObjectManager.CreateAICHHash(pFile);
ushort nCount = pFile.ReadUInt16();
for (int i = 0; i < nCount; i++)
{
tmpHash.Read(pFile);
}
}
else if (!bAICHPresent || !HasAICHHash)
{
rbAICH = false;
}
else if (bAICHPresent && rbAICH)
{
if (!LoadAICHHashsetFromFile(pFile, true))
{ // corrupt
if (rbMD4)
{
DeleteMD4Hashset();
rbMD4 = false;
}
rbAICH = false;
return(false);
}
}
return(true);
}
