C++ (Cpp) gst_rtp_mpa_pay_flush Exemples

Exemple #1

Fichier : gstrtpmpapay.c Projet : ConfusedReality/pkg_multimedia_gst-plugins-good

static GstFlowReturn
gst_rtp_mpa_pay_handle_buffer (GstRTPBasePayload * basepayload,
    GstBuffer * buffer)
{
  GstRtpMPAPay *rtpmpapay;
  GstFlowReturn ret;
  guint size, avail;
  guint packet_len;
  GstClockTime duration, timestamp;

  rtpmpapay = GST_RTP_MPA_PAY (basepayload);

  size = gst_buffer_get_size (buffer);
  duration = GST_BUFFER_DURATION (buffer);
  timestamp = GST_BUFFER_PTS (buffer);

  if (GST_BUFFER_IS_DISCONT (buffer)) {
    GST_DEBUG_OBJECT (rtpmpapay, "DISCONT");
    gst_rtp_mpa_pay_reset (rtpmpapay);
  }

  avail = gst_adapter_available (rtpmpapay->adapter);

  /* get packet length of previous data and this new data,
   * payload length includes a 4 byte header */
  packet_len = gst_rtp_buffer_calc_packet_len (4 + avail + size, 0, 0);

  /* if this buffer is going to overflow the packet, flush what we
   * have. */
  if (gst_rtp_base_payload_is_filled (basepayload,
          packet_len, rtpmpapay->duration + duration)) {
    ret = gst_rtp_mpa_pay_flush (rtpmpapay);
    avail = 0;
  } else {
    ret = GST_FLOW_OK;
  }

  if (avail == 0) {
    GST_DEBUG_OBJECT (rtpmpapay,
        "first packet, save timestamp %" GST_TIME_FORMAT,
        GST_TIME_ARGS (timestamp));
    rtpmpapay->first_ts = timestamp;
    rtpmpapay->duration = 0;
  }

  gst_adapter_push (rtpmpapay->adapter, buffer);
  rtpmpapay->duration = duration;

  return ret;
}

Exemple #2

static GstFlowReturn
gst_rtp_mpa_pay_handle_buffer (GstBaseRTPPayload * basepayload,
    GstBuffer * buffer)
{
  GstRtpMPAPay *rtpmpapay;
  GstFlowReturn ret;
  guint size, avail;
  guint packet_len;
  GstClockTime duration;

  rtpmpapay = GST_RTP_MPA_PAY (basepayload);

  size = GST_BUFFER_SIZE (buffer);
  duration = GST_BUFFER_DURATION (buffer);

  avail = gst_adapter_available (rtpmpapay->adapter);
  if (avail == 0) {
    rtpmpapay->first_ts = GST_BUFFER_TIMESTAMP (buffer);
    rtpmpapay->duration = 0;
  }

  /* get packet length of previous data and this new data, 
   * payload length includes a 4 byte header */
  packet_len = gst_rtp_buffer_calc_packet_len (4 + avail + size, 0, 0);

  /* if this buffer is going to overflow the packet, flush what we
   * have. */
  if (gst_basertppayload_is_filled (basepayload,
          packet_len, rtpmpapay->duration + duration)) {
    ret = gst_rtp_mpa_pay_flush (rtpmpapay);
    rtpmpapay->first_ts = GST_BUFFER_TIMESTAMP (buffer);
    rtpmpapay->duration = 0;
  } else {
    ret = GST_FLOW_OK;
  }

  gst_adapter_push (rtpmpapay->adapter, buffer);
  rtpmpapay->duration += duration;

  return ret;
}

Exemple #3

Fichier : gstrtpmpapay.c Projet : ConfusedReality/pkg_multimedia_gst-plugins-good

static gboolean
gst_rtp_mpa_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
{
  gboolean ret;
  GstRtpMPAPay *rtpmpapay;

  rtpmpapay = GST_RTP_MPA_PAY (payload);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_EOS:
      /* make sure we push the last packets in the adapter on EOS */
      gst_rtp_mpa_pay_flush (rtpmpapay);
      break;
    case GST_EVENT_FLUSH_STOP:
      gst_rtp_mpa_pay_reset (rtpmpapay);
      break;
    default:
      break;
  }

  ret = GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->sink_event (payload, event);

  return ret;
}