uncheck MediaDecoder on the Quad from the Inspector
add a new script TestThumbnail.cs to the Quad
public class TestThumb : MonoBehaviour {
// Use this for initialization
void Start () {
MediaDecoder.loadVideoThumb(gameObject, "C:\\Users\\video\\swim.mp4", 2);
}
// Update is called once per frame
void Update () {
}
}
To reproduce:
add a new script TestThumbnail.cs to the Quad