gstreamer/mediainfo/src/mi-info.vala

97 lines
2.5 KiB
Vala

/* GStreamer media browser
* Copyright (C) 2010 Stefan Sauer <ensonic@user.sf.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Steet,
* Boston, MA 02110-1301, USA.
*/
using Gtk;
using Gst;
public class MediaInfo.Info : VBox
{
private Label uri;
//private Discoverer dc;
private DrawingArea drawing_area;
private Pipeline pb;
public Info ()
{
// configure the view
set_homogeneous (false);
// add widgets
drawing_area = new DrawingArea ();
drawing_area.set_size_request (300, 150);
pack_start (drawing_area, true, true, 0);
uri = new Label ("");
pack_start (uri, false, false, 0);
show_all ();
// set up the gstreamer components
//dc = new Discoverer (Gst.SECONDS * 10, null);
pb = ElementFactory.make ("playbin2", "player") as Pipeline;
Gst.Bus bus = pb.get_bus ();
bus.set_sync_handler (bus.sync_signal_handler);
bus.sync_message["element"].connect (on_element_sync_message);
}
~Info ()
{
// stop previous playback
pb.set_state (State.NULL);
}
// public methods
public bool discover (string uri)
{
bool res = true;
// stop previous playback
pb.set_state (State.NULL);
this.uri.set_text (uri);
if (uri != null) {
//DiscovererInfo info = dc.discover_uri (uri, null);
// play file
((GLib.Object)pb).set_property ("uri", uri);
pb.set_state (State.PLAYING);
res = true;
}
return (res);
}
// signal handlers
private void on_element_sync_message (Gst.Bus bus, Message message)
{
Structure structure = message.get_structure ();
if (structure.has_name ("prepare-xwindow-id"))
{
XOverlay xoverlay = message.src as XOverlay;
xoverlay.set_xwindow_id (Gdk.x11_drawable_get_xid (drawing_area.window));
drawing_area.unset_flags(Gtk.WidgetFlags.DOUBLE_BUFFERED);
}
}
}