BMP_FILTER_OFF = 0x00 << 2
BMP_FILTER_2 = 0x01 << 2
BMP_FILTER_4 = 0x02 << 2
BMP_FILTER_8 = 0x03 << 2
BMP_FILTER_16 = 0x04 << 2

BMP_FILTER_OFF = 0x00 << 2
BMP_FILTER_2 = 0x01 << 2
BMP_FILTER_4 = 0x02 << 2
BMP_FILTER_8 = 0x03 << 2
BMP_FILTER_16 = 0x04 << 2
