JustAudio/io/int.cpp

#include "int.h"

quint64 rdInt(const QByteArray &data)
{
    quint64 out    = 0;
    quint64 outBit = 1;

    for (int i = data.size() - 1; i >= 0; --i)
    {
        int byte = data[i];

        for (int inBit = 1; inBit <= 128; inBit *= 2, outBit *= 2)
        {
            if ((byte & inBit) != 0) out |= outBit;
        }
    }

    return out;
}

float rdFloat(const QByteArray &data)
{
    return data.toFloat();
}

QByteArray wrInt(quint64 value, int intSize)
{
    QByteArray out;
    quint64    inBit = 1;

    while (value != 0)
    {
        int byte = 0;

        for (int outBit = 1; outBit <= 128; outBit *= 2, inBit *= 2)
        {
            if (value & inBit)
            {
                byte  |= outBit;
                value ^= inBit;
            }
        }

        out.insert(0, byte);
    }

    return out.rightJustified(intSize, 0);
}

QByteArray wrInt(quint64 value)
{
    return wrInt(value, INT_SIZE);
}

QByteArray wrFloat(float value)
{
    return QByteArray().setNum(value);
}