gstreamer-player-1.0 sample

public class Renderer : Gst.PlayerVideoRenderer, GLib.Object {
    Gst.Element gtksink;

    construct {
        gtksink = Gst.ElementFactory.make ("gtksink", null);
    }

    public Gtk.Widget widget {
        owned get {
            Gtk.Widget w;
            gtksink.get ("widget", out w);
            return w;
        }
    }

    public Gst.Element create_video_sink (Gst.Player player) {
        return gtksink;
    }
}

public static void main (string[] args) {
    Gtk.init (ref args);
    Gst.init (ref args);
    var window = new Gtk.Window();
    var renderer = new Renderer();
    var player = new Gst.Player.full (renderer, null);
    player.pipeline.bus.add_watch (0, (bus, msg) => {
        if (msg.type == Gst.MessageType.TAG) {
            Gst.TagList list;
            msg.parse_tag (out list);
            print ("%s\n\n", list.to_string());
        }
        return true;
    });
    window.add (renderer.widget);
    player.state_changed.connect (state => {
        /* always NULL
        print ("%s\n", player.media_info.get_tags().to_string());
        print ("%s\n", player.current_audio_track.get_tags().to_string());
        print ("%s\n", player.current_video_track.get_tags().to_string());
        */
    });
    player.uri = "https://www.youtube.com/watch?v=Il61bCC4g3w";
    player.play();
    window.show_all();
    Gtk.main();
}