Beispiel #1
0
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;
}
Beispiel #2
0
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;
}
Beispiel #3
0
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;
}
Beispiel #4
0
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;
}