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

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/* 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"
#include "gst-qa-monitor-factory.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,
GST_TYPE_QA_ELEMENT_MONITOR, _do_init);
static void
gst_qa_bin_monitor_wrap_element (GstQaBinMonitor * monitor,
GstElement * element);
static gboolean gst_qa_bin_monitor_setup (GstQaMonitor * 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);
GstElement *bin = GST_QA_ELEMENT_MONITOR_GET_ELEMENT (monitor);
if (bin && 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;
GstQaMonitorClass *qamonitor_class;
gobject_class = G_OBJECT_CLASS (klass);
qamonitor_class = GST_QA_MONITOR_CLASS_CAST (klass);
gobject_class->dispose = gst_qa_bin_monitor_dispose;
qamonitor_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, GstQaRunner * runner,
GstQaMonitor * parent)
{
GstQaBinMonitor *monitor = g_object_new (GST_TYPE_QA_BIN_MONITOR, "object",
bin, "qa-runner", runner, "qa-parent", parent, NULL);
if (GST_QA_MONITOR_GET_OBJECT (monitor) == NULL) {
g_object_unref (monitor);
return NULL;
}
return monitor;
}
static gboolean
gst_qa_bin_monitor_setup (GstQaMonitor * monitor)
{
GstIterator *iterator;
gboolean done;
GstElement *element;
GstQaBinMonitor *bin_monitor = GST_QA_BIN_MONITOR_CAST (monitor);
GstBin *bin = GST_QA_BIN_MONITOR_GET_BIN (bin_monitor);
if (!GST_IS_BIN (bin)) {
GST_WARNING_OBJECT (monitor, "Trying to create bin monitor with other "
"type of object");
return FALSE;
}
GST_DEBUG_OBJECT (bin_monitor, "Setting up monitor for bin %" GST_PTR_FORMAT,
bin);
bin_monitor->element_added_id =
g_signal_connect (bin, "element-added",
G_CALLBACK (_qa_bin_element_added), monitor);
iterator = gst_bin_iterate_elements (bin);
done = FALSE;
while (!done) {
switch (gst_iterator_next (iterator, (gpointer *) & element)) {
case GST_ITERATOR_OK:
gst_qa_bin_monitor_wrap_element (bin_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)
{
GstQaElementMonitor *element_monitor;
GST_DEBUG_OBJECT (monitor, "Wrapping element %s", GST_ELEMENT_NAME (element));
element_monitor =
GST_QA_ELEMENT_MONITOR_CAST (gst_qa_monitor_factory_create
(GST_OBJECT_CAST (element), GST_QA_MONITOR_GET_RUNNER (monitor),
GST_QA_MONITOR_CAST (monitor)));
g_return_if_fail (element_monitor != NULL);
GST_QA_MONITOR_LOCK (monitor);
monitor->element_monitors = g_list_prepend (monitor->element_monitors,
element_monitor);
GST_QA_MONITOR_UNLOCK (monitor);
}
static void
_qa_bin_element_added (GstBin * bin, GstElement * element,
GstQaBinMonitor * monitor)
{
g_return_if_fail (GST_QA_ELEMENT_MONITOR_GET_ELEMENT (monitor) ==
GST_ELEMENT_CAST (bin));
gst_qa_bin_monitor_wrap_element (monitor, element);
}