Unity : How to record Spherical 360 Stereoscopic 3d Images ( snapshots, video frame ) ?

TakeSpherical360.cs

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

public class TakeSpherical360 : MonoBehaviour
{
    public Camera cam;

    private RenderTexture renderTexture_left;
    private RenderTexture renderTexture_right;
    private RenderTexture renderTexturteEquirect;

    // Start is called before the first frame update
    void TakeSnap(string path_EQUI, int resolution_multiple = 8)
    {
        if(renderTexture_left == null)
        {
            renderTexture_left = new RenderTexture(1024 * resolution_multiple, 1024 * resolution_multiple, 24, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default);
            renderTexture_right = new RenderTexture(1024 * resolution_multiple, 1024 * resolution_multiple, 24, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default);
            renderTexturteEquirect = new RenderTexture(1024 * resolution_multiple, 1024 * resolution_multiple * 2, 24, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default);
        }

        renderTexture_left.dimension = UnityEngine.Rendering.TextureDimension.Cube;
        renderTexture_right.dimension = UnityEngine.Rendering.TextureDimension.Cube;

        cam.stereoSeparation = 0.064f;
        cam.RenderToCubemap(renderTexture_left, 63, Camera.MonoOrStereoscopicEye.Left); //Save( @"C:\Users\..", renderTexture_left);
        cam.RenderToCubemap(renderTexture_right, 63, Camera.MonoOrStereoscopicEye.Right); //Save( @"C:\Users\..", renderTexture_right);

        renderTexture_left.ConvertToEquirect(renderTexturteEquirect, Camera.MonoOrStereoscopicEye.Left);
        renderTexture_right.ConvertToEquirect(renderTexturteEquirect, Camera.MonoOrStereoscopicEye.Right);

        Save(path_EQUI, renderTexturteEquirect);
        UnityEngine.Resources.UnloadUnusedAssets();
    }

    void Save(string path, RenderTexture renderTexture)
    {
        Texture2D tex = toTexture2D(renderTexture);
        byte[] bytes = tex.EncodeToPNG();
        System.IO.File.WriteAllBytes(path, bytes);
    }

    Texture2D toTexture2D(RenderTexture rTex)
    {
        int widht = rTex.width;
        int height = rTex.height;

        Texture2D tex = new Texture2D(widht, height, TextureFormat.RGB24, false);
        RenderTexture.active = rTex;
        tex.ReadPixels(new Rect(0, 0, rTex.width, rTex.height), 0, 0);
        tex.Apply();
        RenderTexture.active = null;
        return tex;
    }

    int cycle = 0;
    bool record = false;
    // Update is called once per frame
    void Update()
    {
        if (Input.GetKeyDown(KeyCode.T))
        {
            record = true;
        }

        if(record)
        {
            TakeSnap(@"C:\Users\x\Desktop\x\"+cycle+".png");
            cycle += 1;

            if(cycle == 10)
            {
                cycle = 0;
                record = false;
            }
        }
        else
        {
            if(renderTexture_left != null)
            {
                DestroyImmediate(renderTexture_left);
                DestroyImmediate(renderTexture_right);
                DestroyImmediate(renderTexturteEquirect);
                UnityEngine.Resources.UnloadAsset(renderTexture_left);
                UnityEngine.Resources.UnloadAsset(renderTexture_right);
                UnityEngine.Resources.UnloadAsset(renderTexturteEquirect);
            }
        }
        
    }
}