G_DEFINE_TYPE (GstLiveAdder, gst_live_adder, GST_TYPE_AUDIO_MIXER);
+enum
+{
+ LIVEADDER_PROP_LATENCY = 1
+};
+
static void
gst_live_adder_init (GstLiveAdder * self)
{
- /* FIXME: old live adder had latency as uint property */
- g_object_set (self, "latency", (guint64) 30 * GST_MSECOND, NULL);
}
static void
-gst_live_adder_class_init (GstLiveAdderClass * klass)
+gst_live_adder_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ switch (prop_id) {
+ case LIVEADDER_PROP_LATENCY:
+ {
+ GParamSpec *parent_spec =
+ g_object_class_find_property (G_OBJECT_CLASS
+ (gst_live_adder_parent_class), "latency");
+ GObjectClass *pspec_class = g_type_class_peek (parent_spec->owner_type);
+ GValue v = { 0 };
+
+ g_value_init (&v, G_TYPE_INT64);
+
+ g_value_set_int64 (&v, g_value_get_uint (value) * GST_MSECOND);
+
+ G_OBJECT_CLASS (pspec_class)->set_property (object,
+ parent_spec->param_id, &v, parent_spec);
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_live_adder_get_property (GObject * object, guint prop_id, GValue * value,
+ GParamSpec * pspec)
{
+ switch (prop_id) {
+ case LIVEADDER_PROP_LATENCY:
+ {
+ GParamSpec *parent_spec =
+ g_object_class_find_property (G_OBJECT_CLASS
+ (gst_live_adder_parent_class), "latency");
+ GObjectClass *pspec_class = g_type_class_peek (parent_spec->owner_type);
+ GValue v = { 0 };
+
+ g_value_init (&v, G_TYPE_INT64);
+
+ G_OBJECT_CLASS (pspec_class)->get_property (object,
+ parent_spec->param_id, &v, parent_spec);
+
+ g_value_set_uint (value, g_value_get_int64 (&v) / GST_MSECOND);
+ break;
+ }
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
}
+static void
+gst_live_adder_class_init (GstLiveAdderClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ gobject_class->set_property = gst_live_adder_set_property;
+ gobject_class->get_property = gst_live_adder_get_property;
+
+ g_object_class_install_property (gobject_class, LIVEADDER_PROP_LATENCY,
+ g_param_spec_uint ("latency", "Buffer latency",
+ "Additional latency in live mode to allow upstream "
+ "to take longer to produce buffers for the current "
+ "position (in milliseconds)", 0, G_MAXUINT,
+ 30, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT));
+}
+
static gboolean
plugin_init (GstPlugin * plugin)
{