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

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

diff --git a/gst-plugins-base-subtitles0.10/tests/examples/overlay/qtgv-xoverlay.cpp b/gst-plugins-base-subtitles0.10/tests/examples/overlay/qtgv-xoverlay.cpp
new file mode 100644 (file)
index 0000000..58af85b
--- /dev/null
+++ b/gst-plugins-base-subtitles0.10/tests/examples/overlay/qtgv-xoverlay.cpp
@@ -0,0 +1,128 @@
+/* GStreamer
+ * Copyright (C) <2010> Alexander Bokovoy <ab@samba.org>
+ *
+ * qtgv-xoverlay: demonstrate overlay handling using qt graphics view
+ *
+ * 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 "qtgv-xoverlay.h"
+
+#include <QApplication>
+#include <QTimer>
+
+#include <gst/interfaces/xoverlay.h>
+
+SinkPipeline::SinkPipeline(QGraphicsView *parent) : QObject(parent)
+{
+  GstStateChangeReturn sret;
+  
+  pipeline = gst_pipeline_new ("xvoverlay");
+  src = gst_element_factory_make ("videotestsrc", NULL);
+
+  if ((sink = gst_element_factory_make ("xvimagesink", NULL))) {
+    sret = gst_element_set_state (sink, GST_STATE_READY);
+    if (sret != GST_STATE_CHANGE_SUCCESS) {
+      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) {
+          gst_element_set_state (sink, GST_STATE_NULL);
+          gst_object_unref (sink);
+    
+          if (strcmp (DEFAULT_VIDEOSINK, "xvimagesink") != 0 &&
+              strcmp (DEFAULT_VIDEOSINK, "ximagesink") != 0) {
+    
+            if ((sink = gst_element_factory_make (DEFAULT_VIDEOSINK, NULL))) {
+              if (!GST_IS_BIN (sink)) {
+                sret = gst_element_set_state (sink, GST_STATE_READY);
+                if (sret != GST_STATE_CHANGE_SUCCESS) {
+                  gst_element_set_state (sink, GST_STATE_NULL);
+                  gst_object_unref (sink);
+                  sink = NULL;
+                }
+              } else {
+                gst_object_unref (sink);
+                sink = NULL;
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+
+  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);
+  xwinid = parent->winId();
+}
+
+SinkPipeline::~SinkPipeline()
+{
+  gst_element_set_state (pipeline, GST_STATE_NULL);
+  gst_object_unref (pipeline);
+}
+
+void SinkPipeline::startPipeline()
+{
+  GstStateChangeReturn sret;
+
+  /* we know what the video sink is in this case (xvimagesink), so we can
+   * just set it directly here now (instead of waiting for a prepare-xwindow-id
+   * element message in a sync bus handler and setting it there) */
+
+  gst_x_overlay_set_window_handle (GST_X_OVERLAY (sink), xwinid);
+
+  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 main( int argc, char **argv )
+{
+    QApplication app(argc, argv);
+
+    QGraphicsScene scene;
+    scene.setSceneRect( -100.0, -100.0, 200.0, 200.0 );
+
+    QGraphicsView view( &scene );
+    view.resize(320, 240);
+    view.setWindowTitle("GstXOverlay Qt GraphicsView demo");
+    view.show();
+
+    gst_init (&argc, &argv);
+    SinkPipeline pipeline(&view);
+    pipeline.startPipeline();
+
+    int ret = app.exec();
+
+    view.hide();
+    
+    return ret;
+}