Unity3D获取外部摄像头图像

using UnityEngine;

using System.Collections;

 

public class HDCamera : MonoBehaviour {

 

    public static string deviceName = "HD Pro WebcamC920";//摄像头硬件名称

    WebCamTexture tex;

    IEnumerator Start()

    {

        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);

 

        if (Application.HasUserAuthorization(UserAuthorization.WebCam))

        {

            WebCamDevice[] devices = WebCamTexture.devices;

            //print(devices.Length);

 

            //deviceName = devices[1].name;

            if (deviceName != devices[0].name)

            {

                deviceName =devices[0].name;

            }

            tex = new WebCamTexture(deviceName, 1920, 1080, 30);

          

            renderer.material.mainTexture= tex;

 

 

            tex.Play();

        }

        else

        {

        }

    }

    // Update is called once per frame

    void Update () {

   

    }

}