diff --git a/ext/raw1394/gstdv1394src.c b/ext/raw1394/gstdv1394src.c index 9a05798b36..17708a7198 100644 --- a/ext/raw1394/gstdv1394src.c +++ b/ext/raw1394/gstdv1394src.c @@ -130,6 +130,8 @@ static void gst_dv1394src_get_property (GObject * object, guint prop_id, static void gst_dv1394src_dispose (GObject * object); static GstClock *gst_dv1394src_provide_clock (GstElement * element); +static GstStateChangeReturn gst_dv1394_src_change_state (GstElement * element, + GstStateChange transition); static gboolean gst_dv1394src_start (GstBaseSrc * bsrc); static gboolean gst_dv1394src_stop (GstBaseSrc * bsrc); @@ -197,6 +199,7 @@ gst_dv1394src_class_init (GstDV1394SrcClass * klass) gobject_class->dispose = gst_dv1394src_dispose; gstelement_class->provide_clock = gst_dv1394src_provide_clock; + gstelement_class->change_state = gst_dv1394_src_change_state; gst_dv1394src_signals[SIGNAL_FRAME_DROPPED] = g_signal_new ("frame-dropped", G_TYPE_FROM_CLASS (klass), @@ -381,6 +384,39 @@ gst_dv1394src_provide_clock (GstElement * element) return GST_CLOCK_CAST (gst_object_ref (dv1394src->provided_clock)); } +static GstStateChangeReturn +gst_dv1394_src_change_state (GstElement * element, GstStateChange transition) +{ + GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; + GstDV1394Src *src = GST_DV1394SRC (element); + + switch (transition) { + case GST_STATE_CHANGE_PLAYING_TO_PAUSED: + gst_element_post_message (element, + gst_message_new_clock_lost (GST_OBJECT_CAST (element), + GST_CLOCK_CAST (src->provided_clock))); + break; + default: + break; + } + + ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); + if (ret == GST_STATE_CHANGE_FAILURE) + return ret; + + switch (transition) { + case GST_STATE_CHANGE_PAUSED_TO_PLAYING: + gst_element_post_message (element, + gst_message_new_clock_provide (GST_OBJECT_CAST (element), + GST_CLOCK_CAST (src->provided_clock), TRUE)); + break; + default: + break; + } + + return ret; +} + #ifdef HAVE_LIBIEC61883 static GstDV1394Src * gst_dv1394src_from_raw1394handle (raw1394handle_t handle)