ft2_func.c

int GetFrequenceValue(int input)
{
	if ( !input ) return 0;

	if ( LinearFrqTab != 1 )
	{
		return input / FrequenceDivFactor;
	}
	else
	{
		int64_t temp64;
		int temp = 9216 - input;
		int oct = temp / 768;
		int offset = temp % 768;
		oct = 14 - oct;
		temp64 = (int64_t)LogTab[offset] * FrequenceMulFactor;
		temp64 <<= 8;
		temp64 >>= oct;
		return (int) temp64;
	}
}