Accessing Camera feed in Unity using C#

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;

public class WebStream : MonoBehaviour
{
    public RawImage rawimage;
    WebCamTexture webCamTexture;

    public Text webCamDisplayText;

    void Start()
    {


        WebCamDevice[] cam_devices = WebCamTexture.devices;
        // for debugging purposes, prints available devices to the console
        for (int i = 0; i < cam_devices.Length; i++)
        {
            print("Webcam available: " + cam_devices[i].name);
        }
        GoWebCam01();
    }


    //CAMERA 01 SELECT
    public void GoWebCam01()
    {
        WebCamDevice[] cam_devices = WebCamTexture.devices;
        // for debugging purposes, prints available devices to the console
        for (int i = 0; i < cam_devices.Length; i++)
        {
            print("Webcam available: " + cam_devices[i].name);
        }

        webCamTexture = new WebCamTexture(cam_devices[0].name, 480, 640, 30);
        rawimage.texture = webCamTexture;
        if (webCamTexture != null)
        {
            webCamTexture.Play();
            Debug.Log("Web Cam Connected : " + webCamTexture.deviceName + "\n");
        }
        webCamDisplayText.text = "Camera Type: " + cam_devices[0].name.ToString();
    }
    //CAMERA 02 SELECT
    public void GoWebCam02()
    {
        WebCamDevice[] cam_devices = WebCamTexture.devices;
        // for debugging purposes, prints available devices to the console
        for (int i = 0; i < cam_devices.Length; i++)
        {
            print("Webcam available: " + cam_devices[i].name);
        }

        webCamTexture = new WebCamTexture(cam_devices[1].name, 480, 640, 30);
        rawimage.texture = webCamTexture;
        if (webCamTexture != null)
        {
            webCamTexture.Play();
            Debug.Log("Web Cam Connected : " + webCamTexture.deviceName + "\n");
        }
        webCamDisplayText.text = "Camera Type: " + cam_devices[1].name.ToString();
    }
}