private void OnGUI()
    {
        Texture image = VideoUtil.GetPreviewTexture(previewID);

        if (image != null)
        {
            EditorGUI.DrawTextureTransparent(new Rect(0, 0, image.width * videoClipSizeScale, image.height * videoClipSizeScale), image, ScaleMode.ScaleToFit);
        }

        Repaint();
    }