public int Decode(byte[] pBuffer, int bufferOffset, int nSize, bool bDecodeName)
{
int nOriginalSize = nSize;
bool bError = false; // if there is an error while decoding - try to at least find the end mark 0x000009
while (nSize >= 3)
{
if (RTMP.ReadInt24(pBuffer, bufferOffset) == 0x00000009)
{
nSize -= 3;
bError = false;
break;
}
if (bError)
{
nSize--;
bufferOffset++;
continue;
}
AMFObjectProperty prop = new AMFObjectProperty();
int nRes = prop.Decode(pBuffer, bufferOffset, nSize, bDecodeName);
if (nRes == -1)
bError = true;
else
{
nSize -= nRes;
bufferOffset += nRes;
m_properties.Add(prop);
}
}
if (bError) return -1;
return nOriginalSize - nSize;
}
public static AMFObject ParseAMF(string amfString)
{
int depth = 0;
AMFObject obj = new AMFObject();
string[] args = amfString.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
foreach (string arg in args)
{
AMFObjectProperty prop = new AMFObjectProperty();
string p;
if (arg[1] == ':')
{
p = arg.Substring(2);
switch (arg[0])
{
case 'B':
prop.m_type = AMFDataType.AMF_BOOLEAN;
prop.p_number = int.Parse(p);
break;
case 'S':
prop.m_type = AMFDataType.AMF_STRING;
prop.m_strVal = p;
break;
case 'N':
prop.m_type = AMFDataType.AMF_NUMBER;
prop.p_number = double.Parse(p);
break;
case 'Z':
prop.m_type = AMFDataType.AMF_NULL;
break;
case 'O':
int i = int.Parse(p);
if (i > 0)
{
prop.m_type = AMFDataType.AMF_OBJECT;
}
else
{
depth--;
return obj;
}
break;
default:
return null;
}
}
else if (arg[2] == ':' && arg[0] == 'N')
{
int secondColonIndex = arg.IndexOf(':', 3);
if (secondColonIndex < 0 || depth <= 0) return null;
prop.m_strName = arg.Substring(3);
p = arg.Substring(secondColonIndex + 1);
switch (arg[1])
{
case 'B':
prop.m_type = AMFDataType.AMF_BOOLEAN;
prop.p_number = int.Parse(p);
break;
case 'S':
prop.m_type = AMFDataType.AMF_STRING;
prop.m_strVal = p;
break;
case 'N':
prop.m_type = AMFDataType.AMF_NUMBER;
prop.p_number = double.Parse(p);
break;
case 'O':
prop.m_type = AMFDataType.AMF_OBJECT;
break;
default:
return null;
}
}
else
return null;
if (depth > 0)
{
AMFObject o2;
for (int i = 0; i < depth; i++)
{
o2 = obj.GetProperty(obj.GetPropertyCount() - 1).GetObject();
obj = o2;
}
}
obj.AddProperty(prop);
if (prop.m_type == AMFDataType.AMF_OBJECT)
depth++;
}
return obj;
}
public int DecodeArray(byte[] buffer, int offset, int nSize, int nArrayLen, bool bDecodeName)
{
int nOriginalSize = nSize;
bool bError = false;
while (nArrayLen > 0)
{
nArrayLen--;
AMFObjectProperty prop = new AMFObjectProperty();
int nRes = prop.Decode(buffer, offset, nSize, bDecodeName);
if (nRes == -1)
bError = true;
else
{
nSize -= nRes;
offset += nRes;
m_properties.Add(prop);
}
}
if (bError)
return -1;
return nOriginalSize - nSize;
}
public void AddProperty(AMFObjectProperty prop)
{
m_properties.Add(prop);
}
