/**
* SECTION:gsttracer
+ * @title: GstTracer
* @short_description: Tracing base class
*
* Tracing modules will subclass #GstTracer and register through
* gst_tracer_register(). Modules can attach to various hook-types - see
- * #GstTracerHook. When invoked they receive hook specific contextual data,
- * which they must not modify.
+ * gst_tracing_register_hook(). When invoked they receive hook specific
+ * contextual data, which they must not modify.
+ *
+ * Since: 1.8
*/
#define GST_USE_UNSTABLE_API
#include "gstenumtypes.h"
#include "gsttracer.h"
#include "gsttracerfactory.h"
+#include "gsttracerutils.h"
GST_DEBUG_CATEGORY_EXTERN (tracer_debug);
#define GST_CAT_DEFAULT tracer_debug
{
PROP_0,
PROP_PARAMS,
- PROP_MASK,
PROP_LAST
};
struct _GstTracerPrivate
{
- const gchar *params;
- GstTracerHook mask;
+ gchar *params;
};
#define gst_tracer_parent_class parent_class
-G_DEFINE_ABSTRACT_TYPE (GstTracer, gst_tracer, GST_TYPE_OBJECT);
+G_DEFINE_ABSTRACT_TYPE_WITH_PRIVATE (GstTracer, gst_tracer, GST_TYPE_OBJECT);
+
+static void
+gst_tracer_dispose (GObject * object)
+{
+ GstTracer *tracer = GST_TRACER (object);
+ g_free (tracer->priv->params);
+}
static void
gst_tracer_class_init (GstTracerClass * klass)
gobject_class->set_property = gst_tracer_set_property;
gobject_class->get_property = gst_tracer_get_property;
+ gobject_class->dispose = gst_tracer_dispose;
properties[PROP_PARAMS] =
g_param_spec_string ("params", "Params", "Extra configuration parameters",
NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
- properties[PROP_MASK] =
- g_param_spec_flags ("mask", "Mask", "Event mask", GST_TYPE_TRACER_HOOK,
- GST_TRACER_HOOK_NONE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
-
g_object_class_install_properties (gobject_class, PROP_LAST, properties);
- g_type_class_add_private (klass, sizeof (GstTracerPrivate));
}
static void
gst_tracer_init (GstTracer * tracer)
{
- tracer->priv = G_TYPE_INSTANCE_GET_PRIVATE (tracer, GST_TYPE_TRACER,
- GstTracerPrivate);
+ tracer->priv = gst_tracer_get_instance_private (tracer);
}
static void
switch (prop_id) {
case PROP_PARAMS:
- self->priv->params = g_value_get_string (value);
- break;
- case PROP_MASK:
- self->priv->mask = g_value_get_flags (value);
+ self->priv->params = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
case PROP_PARAMS:
g_value_set_string (value, self->priv->params);
break;
- case PROP_MASK:
- g_value_set_flags (value, self->priv->mask);
- break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
-void
-gst_tracer_invoke (GstTracer * self, GstTracerHookId hid,
- GstTracerMessageId mid, va_list var_args)
-{
- GstTracerClass *klass = GST_TRACER_GET_CLASS (self);
-
- g_return_if_fail (klass->invoke);
-
- klass->invoke (self, hid, mid, var_args);
-}
-
/* tracing modules */
+/**
+ * gst_tracer_register:
+ * @plugin: (allow-none): A #GstPlugin, or %NULL for a static typefind function
+ * @name: The name for registering
+ * @type: GType of tracer to register
+ *
+ * Create a new tracer-factory capable of instantiating objects of the
+ * @type and add the factory to @plugin.
+ *
+ * Returns: %TRUE, if the registering succeeded, %FALSE on error
+ */
gboolean
gst_tracer_register (GstPlugin * plugin, const gchar * name, GType type)
{
factory = GST_TRACER_FACTORY_CAST (existing_feature);
factory->type = type;
existing_feature->loaded = TRUE;
- //g_type_set_qdata (type, __gst_elementclass_factory, factory);
gst_object_unref (existing_feature);
return TRUE;
}
- factory = g_object_newv (GST_TYPE_TRACER_FACTORY, 0, NULL);
+ factory = g_object_new (GST_TYPE_TRACER_FACTORY, NULL);
GST_DEBUG_OBJECT (factory, "new tracer factory for %s", name);
gst_plugin_feature_set_name (GST_PLUGIN_FEATURE_CAST (factory), name);
return TRUE;
}
-
-/* tracing module helpers */
-
-void
-gst_tracer_log_trace (GstStructure * s)
-{
- GST_TRACE ("%" GST_PTR_FORMAT, s);
- /* expands to:
- gst_debug_log_valist (
- GST_CAT_DEFAULT, GST_LEVEL_TRACE,
- file, func, line, object
- "%" GST_PTR_FORMAT, s);
- // does it make sense to use the {file, line, func} from the tracer hook?
- // a)
- // - we'd need to pass them in the macros to gst_tracer_dispatch()
- // - and each tracer needs to grab them from the va_list and pass them here
- // b)
- // - we create a content in dispatch, pass that to the tracer
- // - and the tracer will pass that here
- // ideally we also use *our* ts instead of the one that
- // gst_debug_log_default() will pick
- */
- gst_structure_free (s);
-}