Unity 开发调用外部摄像头

using System.Collections;
using UnityEngine;
using UnityEngine.UI;

public class ShowCam : MonoBehaviour
{
    WebCamTexture camTexture;
    WebCamTexture camTexture2;
    public RawImage showimage;
    public RawImage showimage2;
    private string deviceName;
    private string deviceName2;
    // Use this for initialization
    void Start()
    {
        StartCoroutine(CallCamera());
    }

    IEnumerator CallCamera()
    {
        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
        if (Application.HasUserAuthorization(UserAuthorization.WebCam))
        {
            if (camTexture != null)
                camTexture.Stop();

            WebCamDevice[] cameraDevices = WebCamTexture.devices;

            deviceName = cameraDevices[0].name;
            deviceName2 = cameraDevices[1].name;
            Debug.Log(deviceName);

            camTexture = new WebCamTexture(deviceName);
            showimage.canvasRenderer.SetTexture(camTexture);
            camTexture.Play();

            camTexture2 = new WebCamTexture(deviceName2);
            showimage2.canvasRenderer.SetTexture(camTexture2);
            camTexture2.Play();
        }
    }
}

参考链接：https://blog.csdn.net/qiao2037641855/article/details/84031522