image - Using the assets of VLC for Unity

Question

I work for some researchers to a project and I want to stream some 360°video on a sphere in unity. My problem is: the target is to stream without a USB connection : so I have to connect my Ricoh Theta camera to Unity. To do thar I used the asset VLC mediaplayer for Unity and I used one script by the demo to project my video on the sphere. the script is :

using UnityEngine;
using System;
using LibVLCSharp;
    
public class ThreeSixty : MonoBehaviour
{
        LibVLC _libVLC;
        MediaPlayer _mediaPlayer;
        const int seekTimeDelta = 5000;
        Texture2D tex = null;
        bool playing;
        
        float Yaw;
        float Pitch;
        float Roll;
    
        void Awake()
        {
            Core.Initialize(Application.dataPath);
    
            _libVLC = new LibVLC("--no-osd","--verbose=2");
    
            Application.SetStackTraceLogType(LogType.Log, StackTraceLogType.None);
            //_libVLC.Log += (s, e) => UnityEngine.Debug.Log(e.FormattedLog); // enable this for logs in the editor
    
            PlayPause();
        }
    
        void OnDisable() 
        {
            _mediaPlayer?.Stop();
            _mediaPlayer?.Dispose();
            _mediaPlayer = null;
    
            _libVLC?.Dispose();
            _libVLC = null;
        }
    
        public async void PlayPause()
        {
            Debug.Log ("[VLC] Toggling Play Pause !");
            if (_mediaPlayer == null)
            {
                _mediaPlayer = new MediaPlayer(_libVLC);
            }
            if (_mediaPlayer.IsPlaying)
            {
                _mediaPlayer.Pause();
            }
            else
            {
                playing = true;
    
                if(_mediaPlayer.Media == null)
                {
                    // download https://streams.videolan.org/streams/360/eagle_360.mp4 
                    // to your computer (to avoid network requests for smoother navigation)
                    // and adjust the Uri to the local path
                    var media = new Media(_libVLC, new Uri(@"C:UnityR0010108_er_001.MP4"));
                    await media.Parse();
                    _mediaPlayer.Media = media;
                }
    
                _mediaPlayer.Play();
            }
        }
    
        void Update()
        {
            if(!playing) return;
    
            if (tex == null)
            {
                // If received size is not null, it and scale the texture
                uint i_videoHeight = 0;
                uint i_videoWidth = 0;
    
                _mediaPlayer.Size(0, ref i_videoWidth, ref i_videoHeight);
                var texptr = _mediaPlayer.GetTexture(out bool updated);
                if (i_videoWidth != 0 && i_videoHeight != 0 && updated && texptr != IntPtr.Zero)
                {
                    Debug.Log("Creating texture with height " + i_videoHeight + " and width " + i_videoWidth);
                    tex = Texture2D.CreateExternalTexture((int)i_videoWidth,
                        (int)i_videoHeight,
                        TextureFormat.RGBA32,
                        false,
                        true,
                        texptr);
                    GetComponent<Renderer>().material.mainTexture = tex;
                }
            }
            else if (tex != null)
            {
                var texptr = _mediaPlayer.GetTexture(out bool updated);
                if (updated)
                {
                    tex.UpdateExternalTexture(texptr);
                }
            }
        }
    
        void OnGUI()
        {
            Do360Navigation();
        }
        
        void Do360Navigation()
        {
            var is360 = _mediaPlayer.Media?.Tracks[0].Data.Video.Projection == VideoProjection.Equirectangular;
            if(!is360)
            {
                Debug.Log("The video was not identified as 360 video by VLC, make sure it is properly tagged");
                return;
            }
    
            var range = Math.Max(UnityEngine.Screen.width, UnityEngine.Screen.height);
    
            Yaw = _mediaPlayer.Viewpoint.Yaw;
            Pitch = _mediaPlayer.Viewpoint.Pitch;
            Roll = _mediaPlayer.Viewpoint.Roll;
            var fov = 80;
    
            if (Input.GetKey(KeyCode.RightArrow))
            {
                _mediaPlayer.UpdateViewpoint(Yaw + (float)( 80 * + 40 / range), Pitch, Roll, fov);
            }
            else if(Input.GetKey(KeyCode.LeftArrow))
            {
                _mediaPlayer.UpdateViewpoint(Yaw - (float)( 80 * + 40 / range), Pitch, Roll, fov);
            }
            else if(Input.GetKey(KeyCode.DownArrow))
            {
                _mediaPlayer.UpdateViewpoint(Yaw, Pitch + (float)( 80 * + 20 / range), Roll, fov);
            }
            else if(Input.GetKey(KeyCode.UpArrow))
            {
                _mediaPlayer.UpdateViewpoint(Yaw, Pitch - (float)( 80 * + 20 / range), Roll, fov);
            }
        }
}

The streaming is ok, I can watch the video but my image is distorted. I can not even recognize the shape of fournitures in the video.The fact is, for the project it is important to have a good quality for image rendering. Center image description herean someone help me ? Anyone with the same problem ? Thank you all

question from:https://stackoverflow.com/questions/65626119/using-the-assets-of-vlc-for-unity

Answer 1

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