Jetpack_Media_Summary::get_video_poster PHP Method

    static function get_video_poster($type, $id)
    {
        if ('videopress' == $type) {
            if (function_exists('video_get_highest_resolution_image_url')) {
                return video_get_highest_resolution_image_url($id);
            } else {
                if (class_exists('VideoPress_Video')) {
                    $video = new VideoPress_Video($id);
                    return $video->poster_frame_uri;
                }
            }
        } else {
            if ('youtube' == $type) {
                return 'http://img.youtube.com/vi/' . $id . '/0.jpg';
            }
        }
    }