static GstStateChangeReturn gst_goom_change_state (GstElement * element, GstStateChange transition) { GstGoom *goom = GST_GOOM (element); GstStateChangeReturn ret; switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: break; case GST_STATE_CHANGE_READY_TO_PAUSED: gst_goom_reset (goom); break; default: break; } ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); switch (transition) { case GST_STATE_CHANGE_PAUSED_TO_READY: break; case GST_STATE_CHANGE_READY_TO_NULL: break; default: break; } return ret; }
static GstStateChangeReturn gst_goom_change_state (GstElement * element, GstStateChange transition) { GstGoom *goom = GST_GOOM (element); GstStateChangeReturn ret; switch (transition) { case GST_STATE_CHANGE_NULL_TO_READY: break; case GST_STATE_CHANGE_READY_TO_PAUSED: gst_goom_reset (goom); break; default: break; } ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); switch (transition) { case GST_STATE_CHANGE_PAUSED_TO_READY: if (goom->pool) { gst_buffer_pool_set_active (goom->pool, FALSE); gst_object_replace ((GstObject **) & goom->pool, NULL); } break; case GST_STATE_CHANGE_READY_TO_NULL: break; default: break; } return ret; }
static gboolean gst_goom_sink_event (GstPad * pad, GstEvent * event) { gboolean res; GstGoom *goom; goom = GST_GOOM (gst_pad_get_parent (pad)); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_FLUSH_START: res = gst_pad_push_event (goom->srcpad, event); break; case GST_EVENT_FLUSH_STOP: gst_goom_reset (goom); res = gst_pad_push_event (goom->srcpad, event); break; case GST_EVENT_NEWSEGMENT: { GstFormat format; gdouble rate, arate; gint64 start, stop, time; gboolean update; /* the newsegment values are used to clip the input samples * and to convert the incomming timestamps to running time so * we can do QoS */ gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format, &start, &stop, &time); /* now configure the values */ gst_segment_set_newsegment_full (&goom->segment, update, rate, arate, format, start, stop, time); res = gst_pad_push_event (goom->srcpad, event); break; } default: res = gst_pad_push_event (goom->srcpad, event); break; } gst_object_unref (goom); return res; }
static gboolean gst_goom_sink_event (GstPad * pad, GstObject * parent, GstEvent * event) { gboolean res; GstGoom *goom; goom = GST_GOOM (parent); switch (GST_EVENT_TYPE (event)) { case GST_EVENT_CAPS: { GstCaps *caps; gst_event_parse_caps (event, &caps); res = gst_goom_sink_setcaps (goom, caps); gst_event_unref (event); break; } case GST_EVENT_FLUSH_START: res = gst_pad_push_event (goom->srcpad, event); break; case GST_EVENT_FLUSH_STOP: gst_goom_reset (goom); res = gst_pad_push_event (goom->srcpad, event); break; case GST_EVENT_SEGMENT: { /* the newsegment values are used to clip the input samples * and to convert the incomming timestamps to running time so * we can do QoS */ gst_event_copy_segment (event, &goom->segment); res = gst_pad_push_event (goom->srcpad, event); break; } default: res = gst_pad_push_event (goom->srcpad, event); break; } return res; }