qa-bin-monitor: adds a bin monitor

Extends element-monitor to also wrap child elements

validate/gst/qa/Makefile.am

@@ -4,6 +4,7 @@ public_headers = \
 c_sources = \
 	gst-qa-runner.c \
 	gst-qa-element-monitor.c \
+	gst-qa-bin-monitor.c \
 	gst-qa-pad-monitor.c \
 	gst-qa-monitor-factory.c
 

validate/gst/qa/gst-qa-bin-monitor.c

@@ -0,0 +1,155 @@
+/* GStreamer
+ * Copyright (C) 2013 Thiago Santos <thiago.sousa.santos@collabora.com>
+ *
+ * gst-qa-bin-monitor.c - QA BinMonitor class
+ *
+ * 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 2.1 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.
+ */
+
+#include "gst-qa-bin-monitor.h"
+
+/**
+ * SECTION:gst-qa-bin-monitor
+ * @short_description: Class that wraps a #GstBin for QA checks
+ *
+ * TODO
+ */
+
+GST_DEBUG_CATEGORY_STATIC (gst_qa_bin_monitor_debug);
+#define GST_CAT_DEFAULT gst_qa_bin_monitor_debug
+
+#define _do_init \
+  GST_DEBUG_CATEGORY_INIT (gst_qa_bin_monitor_debug, "qa_bin_monitor", 0, "QA BinMonitor");
+#define gst_qa_bin_monitor_parent_class parent_class
+G_DEFINE_TYPE_WITH_CODE (GstQaBinMonitor, gst_qa_bin_monitor,
+    G_TYPE_OBJECT, _do_init);
+
+static void
+gst_qa_bin_monitor_wrap_element (GstQaBinMonitor * monitor,
+    GstElement * element);
+static gboolean gst_qa_bin_monitor_setup (GstQaElementMonitor * monitor);
+
+static void
+_qa_bin_element_added (GstBin * bin, GstElement * pad,
+    GstQaBinMonitor * monitor);
+
+static void
+gst_qa_bin_monitor_dispose (GObject * object)
+{
+  GstQaBinMonitor *monitor = GST_QA_BIN_MONITOR_CAST (object);
+  GstQaElementMonitor *element_monitor = GST_QA_ELEMENT_MONITOR_CAST (object);
+  GstElement *bin = element_monitor->element;
+
+  if (monitor->element_added_id)
+    g_signal_handler_disconnect (bin, monitor->element_added_id);
+
+  g_list_free_full (monitor->element_monitors, g_object_unref);
+
+  G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+
+static void
+gst_qa_bin_monitor_class_init (GstQaBinMonitorClass * klass)
+{
+  GObjectClass *gobject_class;
+  GstQaElementMonitorClass *gstqaelementmonitor_class;
+
+  gobject_class = G_OBJECT_CLASS (klass);
+  gstqaelementmonitor_class = GST_QA_ELEMENT_MONITOR_CLASS_CAST (klass);
+
+  gobject_class->dispose = gst_qa_bin_monitor_dispose;
+
+  gstqaelementmonitor_class->setup = gst_qa_bin_monitor_setup;
+}
+
+static void
+gst_qa_bin_monitor_init (GstQaBinMonitor * bin_monitor)
+{
+}
+
+/**
+ * gst_qa_bin_monitor_new:
+ * @bin: (transfer-none): a #GstBin to run QA on
+ */
+GstQaBinMonitor *
+gst_qa_bin_monitor_new (GstBin * bin)
+{
+  GstQaBinMonitor *monitor = g_object_new (GST_TYPE_QA_BIN_MONITOR, NULL);
+  GstQaElementMonitor *element_monitor = GST_QA_ELEMENT_MONITOR_CAST (bin);
+
+  g_return_val_if_fail (bin != NULL, NULL);
+
+  element_monitor->element = gst_object_ref (bin);
+  return monitor;
+}
+
+static gboolean
+gst_qa_bin_monitor_setup (GstQaElementMonitor * element_monitor)
+{
+  GstIterator *iterator;
+  gboolean done;
+  GstElement *element;
+  GstQaBinMonitor *monitor = GST_QA_BIN_MONITOR_CAST (element_monitor);
+
+  GST_DEBUG_OBJECT (monitor, "Setting up monitor for bin %" GST_PTR_FORMAT,
+      element_monitor->element);
+
+  monitor->element_added_id =
+      g_signal_connect (GST_BIN_CAST (element_monitor->element),
+      "element-added", G_CALLBACK (_qa_bin_element_added), monitor);
+
+  iterator = gst_bin_iterate_elements (GST_BIN_CAST (element_monitor->element));
+  done = FALSE;
+  while (!done) {
+    switch (gst_iterator_next (iterator, (gpointer *) & element)) {
+      case GST_ITERATOR_OK:
+        gst_qa_bin_monitor_wrap_element (monitor, element);
+        gst_object_unref (element);
+        break;
+      case GST_ITERATOR_RESYNC:
+        /* TODO how to handle this? */
+        gst_iterator_resync (iterator);
+        break;
+      case GST_ITERATOR_ERROR:
+        done = TRUE;
+        break;
+      case GST_ITERATOR_DONE:
+        done = TRUE;
+        break;
+    }
+  }
+  gst_iterator_free (iterator);
+
+  return TRUE;
+}
+
+static void
+gst_qa_bin_monitor_wrap_element (GstQaBinMonitor * monitor,
+    GstElement * element)
+{
+  GST_DEBUG_OBJECT (monitor, "Wrapping element %s", GST_ELEMENT_NAME (element));
+  /* TODO */
+}
+
+static void
+_qa_bin_element_added (GstBin * bin, GstElement * element,
+    GstQaBinMonitor * monitor)
+{
+  GstQaElementMonitor *element_monitor = GST_QA_ELEMENT_MONITOR_CAST (monitor);
+  g_return_if_fail (element_monitor->element == GST_ELEMENT_CAST (bin));
+  gst_qa_bin_monitor_wrap_element (monitor, element);
+}

validate/gst/qa/gst-qa-bin-monitor.h

@@ -0,0 +1,77 @@
+/* GStreamer
+ * Copyright (C) 2013 Thiago Santos <thiago.sousa.santos@collabora.com>
+ *
+ * gst-qa-bin-monitor.h - QA BinMonitor class
+ *
+ * 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 2.1 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.
+ */
+
+#ifndef __GST_QA_BIN_MONITOR_H__
+#define __GST_QA_BIN_MONITOR_H__
+
+#include <glib-object.h>
+#include <gst/gst.h>
+#include "gst-qa-element-monitor.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_QA_BIN_MONITOR			(gst_qa_bin_monitor_get_type ())
+#define GST_IS_QA_BIN_MONITOR(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_QA_BIN_MONITOR))
+#define GST_IS_QA_BIN_MONITOR_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_QA_BIN_MONITOR))
+#define GST_QA_BIN_MONITOR_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_QA_BIN_MONITOR, GstQaBinMonitorClass))
+#define GST_QA_BIN_MONITOR(obj)			(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_QA_BIN_MONITOR, GstQaBinMonitor))
+#define GST_QA_BIN_MONITOR_CLASS(klass)		(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_QA_BIN_MONITOR, GstQaBinMonitorClass))
+#define GST_QA_BIN_MONITOR_CAST(obj)            ((GstQaBinMonitor*)(obj))
+#define GST_QA_BIN_MONITOR_CLASS_CAST(klass)    ((GstQaBinMonitorClass*)(klass))
+
+typedef struct _GstQaBinMonitor GstQaBinMonitor;
+typedef struct _GstQaBinMonitorClass GstQaBinMonitorClass;
+
+/**
+ * GstQaBinMonitor:
+ *
+ * GStreamer QA BinMonitor class.
+ *
+ * Class that wraps a #GstBin for QA checks
+ */
+struct _GstQaBinMonitor {
+  GstQaElementMonitor parent;
+
+  GList *element_monitors;
+
+  /*< private >*/
+  gulong element_added_id;
+};
+
+/**
+ * GstQaBinMonitorClass:
+ * @parent_class: parent
+ *
+ * GStreamer QA BinMonitor object class.
+ */
+struct _GstQaBinMonitorClass {
+  GstQaElementMonitorClass parent_class;
+};
+
+/* normal GObject stuff */
+GType		gst_qa_bin_monitor_get_type		(void);
+
+GstQaBinMonitor *   gst_qa_bin_monitor_new      (GstBin * bin);
+
+G_END_DECLS
+
+#endif /* __GST_QA_BIN_MONITOR_H__ */
+

validate/gst/qa/gst-qa-element-monitor.c

@@ -39,6 +39,7 @@ G_DEFINE_TYPE_WITH_CODE (GstQaElementMonitor, gst_qa_element_monitor,
 
 static void
 gst_qa_element_monitor_wrap_pad (GstQaElementMonitor * monitor, GstPad * pad);
+static gboolean gst_qa_element_monitor_do_setup (GstQaElementMonitor * monitor);
 
 static void
 _qa_element_pad_added (GstElement * element, GstPad * pad,
@@ -69,6 +70,8 @@ gst_qa_element_monitor_class_init (GstQaElementMonitorClass * klass)
   gobject_class = G_OBJECT_CLASS (klass);
 
   gobject_class->dispose = gst_qa_element_monitor_dispose;
+
+  klass->setup = gst_qa_element_monitor_do_setup;
 }
 
 static void
@@ -93,16 +96,13 @@ gst_qa_element_monitor_new (GstElement * element)
   return monitor;
 }
 
-gboolean
-gst_qa_element_monitor_setup (GstQaElementMonitor * monitor)
+static gboolean
+gst_qa_element_monitor_do_setup (GstQaElementMonitor * monitor)
 {
   GstIterator *iterator;
   gboolean done;
   GstPad *pad;
 
-  if (monitor->setup)
-    return TRUE;
-
   GST_DEBUG_OBJECT (monitor, "Setting up monitor for element %" GST_PTR_FORMAT,
       monitor->element);
 
@@ -130,11 +130,22 @@ gst_qa_element_monitor_setup (GstQaElementMonitor * monitor)
     }
   }
   gst_iterator_free (iterator);
-
-  monitor->setup = TRUE;
   return TRUE;
 }
 
+gboolean
+gst_qa_element_monitor_setup (GstQaElementMonitor * monitor)
+{
+  gboolean ret;
+  if (monitor->setup)
+    return TRUE;
+
+  ret = GST_QA_ELEMENT_MONITOR_GET_CLASS (monitor)->setup (monitor);
+  if (ret)
+    monitor->setup = TRUE;
+  return ret;
+}
+
 static void
 gst_qa_element_monitor_wrap_pad (GstQaElementMonitor * monitor, GstPad * pad)
 {

validate/gst/qa/gst-qa-element-monitor.h

@@ -65,6 +65,8 @@ struct _GstQaElementMonitor {
  */
 struct _GstQaElementMonitorClass {
   GObjectClass	parent_class;
+
+  gboolean (* setup) (GstQaElementMonitor * monitor);
 };
 
 /* normal GObject stuff */

validate/gst/qa/gst-qa-monitor-factory.c

@@ -20,11 +20,16 @@
  */
 
 #include "gst-qa-monitor-factory.h"
+#include "gst-qa-bin-monitor.h"
 
 GstQaElementMonitor *
 gst_qa_monitor_factory_create (GstElement * element)
 {
   g_return_val_if_fail (element != NULL, NULL);
 
+  if (GST_IS_BIN (element)) {
+    return gst_qa_bin_monitor_new (GST_BIN_CAST (element));
+  }
+
   return gst_qa_element_monitor_new (element);
 }