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/*
* GStreamer
* Copyright (C) 2010 Thiago Santos <thiago.sousa.santos@collabora.co.uk>
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
* This is a demo application to test the camerabin element.
* If you have question don't hesitate in contact me edgard.lima@indt.org.br
*/
/*
* Includes
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "gst-camera2.h"
#include <gst/gst.h>
#include <gst/interfaces/xoverlay.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gdk/gdkkeysyms.h>
#define UI_FILE CAMERA_APPS_UIDIR G_DIR_SEPARATOR_S "gst-camera2.ui"
static GstElement *camera;
static GtkBuilder *builder;
void
on_mainWindow_delete_event (GtkWidget * widget, GdkEvent * event, gpointer data)
{
gtk_main_quit ();
}
void
on_captureButton_clicked (GtkButton * button, gpointer user_data)
{
g_signal_emit_by_name (camera, "start-capture", NULL);
}
void
on_stopCaptureButton_clicked (GtkButton * button, gpointer user_data)
{
g_signal_emit_by_name (camera, "stop-capture", NULL);
}
void
on_imageRButton_toggled (GtkToggleButton * button, gpointer user_data)
{
if (gtk_toggle_button_get_active (button)) {
g_object_set (camera, "mode", 1, NULL); /* Image mode */
}
}
void
on_videoRButton_toggled (GtkToggleButton * button, gpointer user_data)
{
if (gtk_toggle_button_get_active (button)) {
g_object_set (camera, "mode", 2, NULL); /* Video mode */
}
}
void
on_viewfinderArea_realize (GtkWidget * widget, gpointer data)
{
#if GTK_CHECK_VERSION (2, 18, 0)
gdk_window_ensure_native (gtk_widget_get_window (widget));
#endif
}
static GstBusSyncReply
bus_sync_callback (GstBus * bus, GstMessage * message, gpointer data)
{
GtkWidget *ui_drawing;
if (GST_MESSAGE_TYPE (message) != GST_MESSAGE_ELEMENT)
return GST_BUS_PASS;
if (!gst_structure_has_name (message->structure, "prepare-xwindow-id"))
return GST_BUS_PASS;
/* FIXME: make sure to get XID in main thread */
ui_drawing = GTK_WIDGET (gtk_builder_get_object (builder, "viewfinderArea"));
gst_x_overlay_set_window_handle (GST_X_OVERLAY (message->src),
#if GTK_CHECK_VERSION (2, 91, 6)
GDK_WINDOW_XID (gtk_widget_get_window (ui_drawing)));
#else
GDK_WINDOW_XWINDOW (gtk_widget_get_window (ui_drawing)));
#endif
gst_message_unref (message);
return GST_BUS_DROP;
}
static gboolean
bus_callback (GstBus * bus, GstMessage * message, gpointer data)
{
switch (GST_MESSAGE_TYPE (message)) {
case GST_MESSAGE_WARNING:{
GError *err;
gchar *debug;
gst_message_parse_warning (message, &err, &debug);
g_print ("Warning: %s\n", err->message);
g_error_free (err);
g_free (debug);
break;
}
case GST_MESSAGE_ERROR:{
GError *err = NULL;
gchar *debug = NULL;
gst_message_parse_error (message, &err, &debug);
g_print ("Error: %s : %s\n", err->message, debug);
g_error_free (err);
g_free (debug);
gtk_main_quit ();
break;
}
case GST_MESSAGE_EOS:
/* end-of-stream */
g_print ("Eos\n");
gtk_main_quit ();
break;
case GST_MESSAGE_ELEMENT:
{
//handle_element_message (message);
break;
}
default:
/* unhandled message */
break;
}
return TRUE;
}
int
main (int argc, char *argv[])
{
int ret = 0;
GtkWidget *ui_main_window;
GError *error = NULL;
GstBus *bus;
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
builder = gtk_builder_new ();
if (!gtk_builder_add_from_file (builder, UI_FILE, &error)) {
g_warning ("Error: %s", error->message);
g_error_free (error);
return 1;
}
camera = gst_element_factory_make ("camerabin2", "camera");
bus = gst_pipeline_get_bus (GST_PIPELINE (camera));
gst_bus_add_watch (bus, bus_callback, NULL);
gst_bus_set_sync_handler (bus, bus_sync_callback, NULL);
gst_object_unref (bus);
ui_main_window = GTK_WIDGET (gtk_builder_get_object (builder, "mainWindow"));
gtk_builder_connect_signals (builder, NULL);
gtk_widget_show_all (ui_main_window);
gst_element_set_state (camera, GST_STATE_PLAYING);
gtk_main ();
gst_element_set_state (camera, GST_STATE_NULL);
gst_object_unref (camera);
return ret;
}
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