img.cs

using System.Collections;
using System.Collections.Generic;

using UnityEngine;
using UnityEngine.Video;

public class ImgDump : MonoBehaviour {
    public RenderTexture tex;
    public VideoPlayer player;
    public List<VideoClip> clip;
    Texture2D buf;
    void Start () {
        buf = new Texture2D(
             tex.width, tex.height, TextureFormat.ARGB32, false);
        VideoStart(0);
    }
    public void VideoStart(int i)
    {
        player.clip = clip[i];
        player.frame = 0;
        player.Play();
            
    }
    public void VideoPause()
    {
        player.Pause();
    }

    // Update is called once per frame

    float dt = 0;
    void Update () {
        dt += Time.deltaTime;
        if (dt > 1)
        {
            dt = 0;
            VideoStart(1);
        }
        RenderTexture.active = tex;
        buf.ReadPixels(new Rect(0, 0, tex.width, tex.height), 0, 0);
        Debug.Log(buf.GetPixel(50,30));
    }
}