case BC_AYUV16161616: return 8;
case BC_YUV101010: return 4;
case BC_VYU888: return 3;
case BC_UYVA8888: return 4;
case BC_RGB_FLOAT: return 12;
case BC_RGBA_FLOAT: return 16;
case BC_AYUV16161616: return 8;
case BC_YUV101010: return 4;
case BC_VYU888: return 3;
case BC_UYVA8888: return 4;
case BC_RGB_FLOAT: return 12;
case BC_RGBA_FLOAT: return 16;