int AIFFFile::ReadMonoSample(short *Sample)
{
int retcode;
float y;
double y64;
unsigned long int_y;
Uint64 int_y64;
switch(CommDat.sampleSize)
{
case 8:
unsigned char x;
retcode = Read(&x, 1);
*Sample = (short(x) << 8);
break;
case 12:
case 16:
retcode = Read(Sample, 2);
*Sample = Mot_Swap_16(*Sample);
break;
case 24:
int_y = 0;
retcode = Read(&int_y, 3);
int_y = Mot_Swap_32(int_y);
*Sample = (short) (int_y / 65536);
break;
case 32:
retcode = Read(&int_y, 4);
int_y = Mot_Swap_32(int_y);
if(Use_Floats)
{
IntToFloat((int *) &y, int_y);
*Sample = (short) (y * 32767.0f);
}
else
{
*Sample = (short) (int_y / 65536);
}
break;
case 64:
retcode = Read(&int_y64, 8);
int_y64 = Mot_Swap_64(int_y64);
Int64ToDouble((Uint64 *) &y64, int_y64);
*Sample = (short) (y64 * 32767.0);
break;
default:
retcode = 0;
}
return retcode;
}
void CFloatVariable::SetInteger(const int Value)
{
m_Value = IntToFloat(Value);
}
double CIntegerVariable::GetFloat(void) const
{
return IntToFloat(m_Value);
}
int AIFFFile::ReadStereoSample(short *L, short *R)
{
int retcode = 0;
unsigned char x[2];
short y[2];
float z[2];
double z64[2];
long int_z[2];
Uint64 int_z64[2];
switch(CommDat.sampleSize)
{
case 8:
retcode = Read(x, 2);
*L = (short (x[0]) << 8);
*R = (short (x[1]) << 8);
break;
case 12:
case 16:
retcode = Read(y, 4);
y[0] = Mot_Swap_16(y[0]);
y[1] = Mot_Swap_16(y[1]);
*L = short(y[0]);
*R = short(y[1]);
break;
case 24:
int_z[0] = 0;
int_z[1] = 0;
retcode = Read(&int_z[0], 3);
retcode = Read(&int_z[1], 3);
int_z[0] = Mot_Swap_32(int_z[0]);
int_z[1] = Mot_Swap_32(int_z[1]);
*L = (short) (int_z[0] / 65536);
*R = (short) (int_z[1] / 65536);
break;
case 32:
retcode = Read(int_z, 8);
int_z[0] = Mot_Swap_32(int_z[0]);
int_z[1] = Mot_Swap_32(int_z[1]);
if(Use_Floats)
{
IntToFloat((int *) &z[0], int_z[0]);
IntToFloat((int *) &z[1], int_z[1]);
*L = (short) (z[0] * 32767.0f);
*R = (short) (z[1] * 32767.0f);
}
else
{
*L = (short) (int_z[0] / 65536);
*R = (short) (int_z[1] / 65536);
}
break;
case 64:
retcode = Read(int_z64, 16);
int_z64[0] = Mot_Swap_64(int_z64[0]);
int_z64[1] = Mot_Swap_64(int_z64[1]);
Int64ToDouble((Uint64 *) &z64[0], int_z64[0]);
Int64ToDouble((Uint64 *) &z64[1], int_z64[1]);
*L = (short) (z64[0] * 32767.0);
*R = (short) (z64[1] * 32767.0);
break;
default:
retcode = 0;
}
return retcode;
}
