C++ (Cpp) GST_DTMF_DETECT 예제들

예제 #1

파일: gstdtmfdetect.c 프로젝트: spunktsch/svtplayer

static gboolean
gst_dtmf_detect_set_caps (GstBaseTransform * trans, GstCaps * incaps,
    GstCaps * outcaps)
{
  GstDtmfDetect *self = GST_DTMF_DETECT (trans);

  zap_dtmf_detect_init (&self->dtmf_state);

  return TRUE;
}

예제 #2

파일: gstdtmfdetect.c 프로젝트: GrokImageCompression/gst-plugins-bad

static gboolean
gst_dtmf_detect_set_caps (GstBaseTransform * trans, GstCaps * incaps,
    GstCaps * outcaps)
{
  GstDtmfDetect *self = GST_DTMF_DETECT (trans);

  gst_dtmf_detect_state_reset (self);

  return TRUE;
}

예제 #3

파일: gstdtmfdetect.c 프로젝트: GrokImageCompression/gst-plugins-bad

static void
gst_dtmf_detect_finalize (GObject * object)
{
  GstDtmfDetect *self = GST_DTMF_DETECT (object);

  if (self->dtmf_state)
    dtmf_rx_free (self->dtmf_state);

  G_OBJECT_CLASS (gst_dtmf_detect_parent_class)->finalize (object);
}

예제 #4

파일: gstdtmfdetect.c 프로젝트: zsx/ossbuild

static gboolean
gst_dtmf_detect_set_caps (GstBaseTransform * trans, GstCaps * incaps,
    GstCaps * outcaps)
{
  GstDtmfDetect *self = GST_DTMF_DETECT (trans);
  GstStructure *s = gst_caps_get_structure (incaps, 0);

  if (!gst_structure_get_int (s, "rate", &self->rate))
    return FALSE;

  zap_dtmf_detect_init (&self->dtmf_state);

  return TRUE;
}

예제 #5

파일: gstdtmfdetect.c 프로젝트: spunktsch/svtplayer

static gboolean
gst_dtmf_detect_event (GstBaseTransform * trans, GstEvent * event)
{
  GstDtmfDetect *self = GST_DTMF_DETECT (trans);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_FLUSH_STOP:
      zap_dtmf_detect_init (&self->dtmf_state);
      break;
    default:
      break;
  }

  return GST_CALL_PARENT_WITH_DEFAULT (GST_BASE_TRANSFORM_CLASS, event,
      (trans, event), TRUE);
}

예제 #6

파일: gstdtmfdetect.c 프로젝트: GrokImageCompression/gst-plugins-bad

static gboolean
gst_dtmf_detect_sink_event (GstBaseTransform * trans, GstEvent * event)
{
  GstDtmfDetect *self = GST_DTMF_DETECT (trans);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_FLUSH_STOP:
      gst_dtmf_detect_state_reset (self);
      break;
    default:
      break;
  }

  return GST_BASE_TRANSFORM_CLASS (gst_dtmf_detect_parent_class)->sink_event
      (trans, event);
}

예제 #7

파일: gstdtmfdetect.c 프로젝트: spunktsch/svtplayer

static GstFlowReturn
gst_dtmf_detect_transform_ip (GstBaseTransform * trans, GstBuffer * buf)
{
  GstDtmfDetect *self = GST_DTMF_DETECT (trans);
  gint dtmf_count;
  gchar dtmfbuf[MAX_DTMF_DIGITS] = "";
  gint i;

  if (GST_BUFFER_IS_DISCONT (buf))
    zap_dtmf_detect_init (&self->dtmf_state);
  if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_GAP))
    return GST_FLOW_OK;

  zap_dtmf_detect (&self->dtmf_state, (int16_t *) GST_BUFFER_DATA (buf),
      GST_BUFFER_SIZE (buf) / 2, FALSE);

  dtmf_count = zap_dtmf_get (&self->dtmf_state, dtmfbuf, MAX_DTMF_DIGITS);

  if (dtmf_count)
    GST_DEBUG_OBJECT (self, "Got %d DTMF events: %s", dtmf_count, dtmfbuf);
  else
    GST_LOG_OBJECT (self, "Got no DTMF events");

  for (i = 0; i < dtmf_count; i++) {
    GstMessage *dtmf_message = NULL;
    GstStructure *structure;
    gint dtmf_payload_event;

    GST_DEBUG_OBJECT (self, "Got DTMF event %c", dtmfbuf[i]);

    switch (dtmfbuf[i]) {
      case '0':
        dtmf_payload_event = 0;
        break;
      case '1':
        dtmf_payload_event = 1;
        break;
      case '2':
        dtmf_payload_event = 2;
        break;
      case '3':
        dtmf_payload_event = 3;
        break;
      case '4':
        dtmf_payload_event = 4;
        break;
      case '5':
        dtmf_payload_event = 5;
        break;
      case '6':
        dtmf_payload_event = 6;
        break;
      case '7':
        dtmf_payload_event = 7;
        break;
      case '8':
        dtmf_payload_event = 8;
        break;
      case '9':
        dtmf_payload_event = 9;
        break;
      case '*':
        dtmf_payload_event = 10;
        break;
      case '#':
        dtmf_payload_event = 11;
        break;
      case 'A':
        dtmf_payload_event = 12;
        break;
      case 'B':
        dtmf_payload_event = 13;
        break;
      case 'C':
        dtmf_payload_event = 14;
        break;
      case 'D':
        dtmf_payload_event = 15;
        break;
      default:
        continue;
    }

    structure = gst_structure_new ("dtmf-event",
        "type", G_TYPE_INT, 1,
        "number", G_TYPE_INT, dtmf_payload_event,
        "method", G_TYPE_INT, 2, NULL);
    dtmf_message = gst_message_new_element (GST_OBJECT (self), structure);
    gst_element_post_message (GST_ELEMENT (self), dtmf_message);
  }

  return GST_FLOW_OK;
}