[indent=4]
 
/* Build with valac --pkg gtk+-2.0 --pkg gdk-x11-2.0 --pkg gstreamer-0.10 --pkg gstreamer-interfaces-0.10 yourfile.gs */
 
uses
    Gtk
    Gst
 
class VideoSample : Window
 
    drawing_area : DrawingArea
    pipeline : Pipeline
    src : Element
    sink : Element
 
    init
        create_widgets ()
        setup_gst_pipeline ()
 
    def private create_widgets () 
        var vbox = new VBox (false, 0)
        this.drawing_area = new DrawingArea ()
        this.drawing_area.set_size_request (300, 150)
        vbox.pack_start (this.drawing_area, true, true, 0)

using Gst;
 
public class StreamPlayer {
 
    private MainLoop loop = new MainLoop (null, false);
 
    private void foreach_tag (Gst.TagList list, string tag) {
        switch (tag) {
        case "title":
            string tag_string;
            list.get_string (tag, out tag_string);
            stdout.printf ("tag: %s = %s\n", tag, tag_string);
            break;
        default:
            break;
        }
    }
 
    private bool bus_callback (Gst.Bus bus, Gst.Message message) {
        switch (message.type) {
        case MessageType.ERROR:
            GLib.Error err

/* valac --pkg gtk+-2.0 --pkg gstreamer-interfaces-0.10 --pkg gdk-x11-2.0 videosample.vala */
 
using Gtk;
using Gst;
 
public class VideoSample : Window {
 
    private DrawingArea drawing_area;
    private Pipeline pipeline;
    private Element src;
    private Element sink;
 
    construct {
        create_widgets ();
        setup_gst_pipeline ();
    }
 
    private void create_widgets () {
        var vbox = new VBox (false, 0);
        this.drawing_area = new DrawingArea ();
        this.drawing_area.set_size_request (300, 150);
        vbox.pack_start (this.drawing_area

using Gst;
 
public void main (string[] args) {
    Element src;
    Element sink;
    Pipeline pipeline;
 
    // Initializing GStreamer
    Gst.init (ref args);
 
    // Creating pipeline and elements
    // NOTE: The return type of the pipeline construction method is Element,
    // not Pipeline, so we have to cast
    pipeline = (Pipeline) new Pipeline ("test");
    src = ElementFactory.make ("audiotestsrc", "my_src");
    sink = ElementFactory.make ("autoaudiosink", "my_sink");
 
    // Adding elements to pipeline
    pipeline.add_many (src, sink);
 
    // Linking source t