Get thumbnail from video (Unity3D)

Exemple.cs

     //From: https://forum.unity.com/threads/skipping-to-video-frame-not-working-on-android.930021/#post-6173383
        public void PrepareVideoForPlayback() {
            Benchmark("Prepare Video Player for " + media.path);
            videoPlayer.url = media.path;
            videoPlayer.source = VideoSource.Url;
            videoPlayer.renderMode = VideoRenderMode.APIOnly;
            videoPlayer.prepareCompleted += OnVideoPrepareCompleted;
            videoPlayer.Prepare();
        }
     
        void OnVideoPrepareCompleted(VideoPlayer source) {
            Benchmark("Video Player prepared");
            videoPlayer.prepareCompleted -= OnVideoPrepareCompleted;
            videoPlayer.sendFrameReadyEvents = true;
            videoPlayer.seekCompleted += OnVideoSeekCompleted;
            var middleFrame = (int) (videoPlayer.frameCount / 2);
            if (middleFrame > 0) videoPlayer.frame = middleFrame;
        }
     
        void OnVideoSeekCompleted(VideoPlayer source) {
            Benchmark("Video seek completed");
            videoPlayer.seekCompleted -= OnVideoSeekCompleted;
            videoPlayer.frameReady += OnVideoPreviewFrameReady;
            videoPlayer.SetDirectAudioMute(trackIndex: 0, mute: true);
            videoPlayer.Play();
        }
     
        void OnVideoPreviewFrameReady(VideoPlayer source, long frameIdx) {
            Benchmark($"Frame {frameIdx} ready");
            videoPlayer.frameReady -= OnVideoPreviewFrameReady;
            videoPlayer.Pause();
            ExtractVideoPreview(source);
            videoPlayer.frame = 0;
            videoPlayer.SetDirectAudioMute(trackIndex: 0, mute: false);
            OnVideoPreviewTextureExtracted();
        }
     
        void ExtractVideoPreview(VideoPlayer source) {
            Benchmark("Extracting preview texture");
            RenderTexture renderTexture = source.texture as RenderTexture;
            media.texture = new Texture2D(renderTexture.width, renderTexture.height);
            RenderTexture.active = renderTexture;
            media.texture.ReadPixels(new Rect(0, 0, renderTexture.width, renderTexture.height), 0, 0);
            media.texture.Apply();
            RenderTexture.active = null;
     
        }