for(int ind = 0; ind < m_width * m_hieght * 6; ind++) {

...... TODO:...
}

не много переписал.. 
void fillChannels(BYTE* buffer)
{				
	//unsigned int m_width		= 640; 
	//unsigned int m_height		= 480; 
	int step = 6;

	for (int i = 0; i < m_width * m_height; i++, buffer+=step)
	{
		redBuff[i]	= *buffer + 0;
		greenBuff[i]= *buffer + 1;
		blueBuff[i] = *buffer + 2;
		infr1Buff[i]= *buffer + 3;
		infr2Buff[i]= *buffer + 4;
	}

}

int m_width = 2720;
int m_heigh = 1024; // from file config of camera!!

void fillChannels(uint16_t* buffer)
{				
	int step = 8;
	for (int i = 0; i < m_width * m_height; i++, buffer+=step)
	{
		redBuff[i]	= *(buffer + 0);
..
	}

}