Unity3d calls mobile phone or computer camera

WebCamTexture：Webcam material
()  Play；
()  pause；
()  stop；
//This code can be used after testing, and it is OK when you bind to a game object.using unityEngine;
using ;
public class Test : MonoBehaviour {
public string deviceName;//Although this is public, it does not need to bind variables for it, run directly, and calls it by default to display the name of the local camera.WebCamTexture webCam;
 
 
// Use this for initialization
void Start () {
 WebCamDevice[] devices = ;
 deviceName = devices[0].name;
 webCam = new WebCamTexture(deviceName, 400, 300, 12);
  = webCam;
 ();
}
 
// Update is called once per frame
void Update () {
 
}
}