Added gst-plugins-base-subtitles0.10-0.10.34 for Meego Harmattan 1.2

[mafwsubrenderer] / gst-plugins-base-subtitles0.10 / tests / examples / overlay / qt-xoverlay.cpp

diff --git a/gst-plugins-base-subtitles0.10/tests/examples/overlay/qt-xoverlay.cpp b/gst-plugins-base-subtitles0.10/tests/examples/overlay/qt-xoverlay.cpp
new file mode 100644 (file)
index 0000000..aa483a7
--- /dev/null
+++ b/gst-plugins-base-subtitles0.10/tests/examples/overlay/qt-xoverlay.cpp
@@ -0,0 +1,130 @@
+/* GStreamer
+ * Copyright (C) <2010> Stefan Kost <ensonic@users.sf.net>
+ *
+ * qt-xoverlay: demonstrate overlay handling using qt
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib.h>
+#include <gst/gst.h>
+#include <gst/interfaces/xoverlay.h>
+
+#include <QApplication>
+#include <QTimer>
+#include <QWidget>
+
+/* slightly convoluted way to find a working video sink that's not a bin,
+ * one could use autovideosink from gst-plugins-good instead
+ */
+static GstElement *
+find_video_sink (void)
+{
+  GstStateChangeReturn sret;
+  GstElement *sink;
+
+  if ((sink = gst_element_factory_make ("xvimagesink", NULL))) {
+    sret = gst_element_set_state (sink, GST_STATE_READY);
+    if (sret == GST_STATE_CHANGE_SUCCESS)
+      return sink;
+  
+    gst_element_set_state (sink, GST_STATE_NULL);
+  }
+  gst_object_unref (sink);
+
+  if ((sink = gst_element_factory_make ("ximagesink", NULL))) {
+    sret = gst_element_set_state (sink, GST_STATE_READY);
+    if (sret == GST_STATE_CHANGE_SUCCESS)
+      return sink;
+  
+    gst_element_set_state (sink, GST_STATE_NULL);
+  }
+  gst_object_unref (sink);
+
+  if (strcmp (DEFAULT_VIDEOSINK, "xvimagesink") == 0 ||
+      strcmp (DEFAULT_VIDEOSINK, "ximagesink") == 0)
+    return NULL;
+
+  if ((sink = gst_element_factory_make (DEFAULT_VIDEOSINK, NULL))) {
+    if (GST_IS_BIN (sink)) {
+      gst_object_unref (sink);
+      return NULL;
+    }
+  
+    sret = gst_element_set_state (sink, GST_STATE_READY);
+    if (sret == GST_STATE_CHANGE_SUCCESS)
+      return sink;
+  
+    gst_element_set_state (sink, GST_STATE_NULL);
+  }
+  gst_object_unref (sink);
+  return NULL;
+}
+
+int main(int argc, char *argv[])
+{
+  if (!g_thread_supported ())
+    g_thread_init (NULL);
+
+  gst_init (&argc, &argv);
+  QApplication app(argc, argv);
+  app.connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit ()));
+
+  /* prepare the pipeline */
+
+  GstElement *pipeline = gst_pipeline_new ("xvoverlay");
+  GstElement *src = gst_element_factory_make ("videotestsrc", NULL);
+  GstElement *sink = find_video_sink ();
+
+  if (sink == NULL)
+    g_error ("Couldn't find a working video sink.");
+
+  gst_bin_add_many (GST_BIN (pipeline), src, sink, NULL);
+  gst_element_link (src, sink);
+  
+  /* prepare the ui */
+
+  QWidget window;
+  window.resize(320, 240);
+  window.setWindowTitle("GstXOverlay Qt demo");
+  window.show();
+  
+  WId xwinid = window.winId();
+  gst_x_overlay_set_window_handle (GST_X_OVERLAY (sink), xwinid);
+
+  /* run the pipeline */
+
+  GstStateChangeReturn sret = gst_element_set_state (pipeline,
+      GST_STATE_PLAYING);
+  if (sret == GST_STATE_CHANGE_FAILURE) {
+    gst_element_set_state (pipeline, GST_STATE_NULL);
+    gst_object_unref (pipeline);
+    /* Exit application */
+    QTimer::singleShot(0, QApplication::activeWindow(), SLOT(quit()));
+  }
+
+  int ret = app.exec();
+  
+  window.hide();
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+  gst_object_unref (pipeline);
+
+  return ret;
+}