Ejemplos de gst_span_plc_flush en C++ (Cpp)

Ejemplo n.º 1

Archivo: gstspanplc.c Proyecto: drothlis/gst-plugins-bad

static GstStateChangeReturn
gst_span_plc_change_state (GstElement * element, GstStateChange transition)
{
  GstSpanPlc *plc = GST_SPAN_PLC (element);
  GstStateChangeReturn ret;

  switch (transition) {
    case GST_STATE_CHANGE_NULL_TO_READY:
      gst_span_plc_flush (plc, TRUE);
      break;
    default:
      break;
  }

  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);

  switch (transition) {
    case GST_STATE_CHANGE_READY_TO_NULL:
      gst_span_plc_flush (plc, FALSE);
    default:
      break;
  }

  return ret;
}

Ejemplo n.º 2

Archivo: gstspanplc.c Proyecto: 0p1pp1/gst-plugins-bad

static gboolean
gst_span_plc_event_sink (GstPad * pad, GstObject * parent, GstEvent * event)
{
  GstSpanPlc *plc = GST_SPAN_PLC (parent);

  GST_DEBUG_OBJECT (plc, "received event %s", GST_EVENT_TYPE_NAME (event));

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_CAPS:
    {
      GstCaps *caps;
      gst_event_parse_caps (event, &caps);
      gst_span_plc_setcaps_sink (plc, caps);
      break;
    }
    case GST_EVENT_GAP:
    {
      GstClockTime timestamp;
      GstClockTime duration;

      gst_event_parse_gap (event, &timestamp, &duration);
      gst_span_plc_send_fillin (plc, timestamp, duration);
      gst_event_unref (event);
      return TRUE;
    }
    case GST_EVENT_FLUSH_STOP:
      gst_span_plc_flush (plc, TRUE);
      break;
    default:
      break;
  }

  return gst_pad_push_event (plc->srcpad, event);
}

Ejemplo n.º 3

Archivo: gstspanplc.c Proyecto: drothlis/gst-plugins-bad

static gboolean
gst_span_plc_event_sink (GstPad * pad, GstEvent * event)
{
  gboolean ret = FALSE;
  GstSpanPlc *plc = GST_SPAN_PLC (gst_pad_get_parent (pad));

  GST_DEBUG_OBJECT (plc, "received event %s", GST_EVENT_TYPE_NAME (event));

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_NEWSEGMENT:
    {
      GstFormat format;
      gdouble rate;
      gint64 start, stop, time;
      gboolean update;

      gst_event_parse_new_segment (event, &update, &rate, &format, &start,
          &stop, &time);

      if (format != GST_FORMAT_TIME)
        goto newseg_wrong_format;

      if (update) {
        /* time progressed without data, see if we can fill the gap with
         * some concealment data */
        if (plc->last_stop < start)
          gst_span_plc_send_fillin (plc, start - plc->last_stop);
      }
      plc->last_stop = start;
      break;
    }
    case GST_EVENT_FLUSH_START:
      gst_span_plc_flush (plc, TRUE);
      break;
    default:
      break;
  }
  ret = gst_pad_push_event (plc->srcpad, event);

  gst_object_unref (plc);

  return ret;
newseg_wrong_format:
  {
    GST_DEBUG_OBJECT (plc, "received non TIME newsegment");
    gst_object_unref (plc);
    return FALSE;
  }
}

Ejemplo n.º 4

Archivo: gstspanplc.c Proyecto: 0p1pp1/gst-plugins-bad

static void
gst_span_plc_setcaps_sink (GstSpanPlc * plc, GstCaps * caps)
{
  GstStructure *s = NULL;
  gint sample_rate;

  s = gst_caps_get_structure (caps, 0);
  if (!s)
    return;

  gst_structure_get_int (s, "rate", &sample_rate);
  if (sample_rate != plc->sample_rate) {
    GST_DEBUG_OBJECT (plc, "setcaps: got sample rate : %d", sample_rate);
    plc->sample_rate = sample_rate;
    gst_span_plc_flush (plc, TRUE);
  }
}

Ejemplo n.º 5

Archivo: gstspanplc.c Proyecto: drothlis/gst-plugins-bad

static gboolean
gst_span_plc_setcaps_sink (GstPad * pad, GstCaps * caps)
{
  GstSpanPlc *plc = GST_SPAN_PLC (gst_pad_get_parent (pad));
  GstStructure *s = NULL;
  gboolean ret = FALSE;

  ret = gst_pad_set_caps (plc->srcpad, caps);
  s = gst_caps_get_structure (caps, 0);
  if (s) {
    gst_structure_get_int (s, "rate", &plc->sample_rate);
    GST_DEBUG_OBJECT (plc, "setcaps: got sample rate : %d", plc->sample_rate);
  }

  gst_span_plc_flush (plc, TRUE);
  gst_object_unref (plc);

  return ret;
}