adtsframe.cpp

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#include "./adtsframe.h"
 
#include "../exceptions.h"
 
#include <c++utilities/io/binaryreader.h>
 
using namespace std;
 
namespace TagParser {


void AdtsFrame::parseHeader(CppUtilities::BinaryReader &reader)
{
    m_header1 = reader.readUInt16BE();
    // check whether syncword is present
    if ((m_header1 & 0xFFF6u) != 0xFFF0u) {
        throw InvalidDataException();
    }
    m_header2 = hasCrc() ? reader.readUInt56BE() : (reader.readUInt40BE() << 16);
    // check whether frame length is ok
    if (totalSize() < headerSize()) {
        throw InvalidDataException();
    }
}
 
} // namespace TagParser