C++ (Cpp) GST_RTP_GSM_PAYの例

コード例 #1

ファイル: gstrtpgsmpay.c プロジェクト: ChinnaSuhas/ossbuild

static GstFlowReturn
gst_rtp_gsm_pay_handle_buffer (GstBaseRTPPayload * basepayload,
    GstBuffer * buffer)
{
  GstRTPGSMPay *rtpgsmpay;
  guint size, payload_len;
  GstBuffer *outbuf;
  guint8 *payload, *data;
  GstClockTime timestamp, duration;
  GstFlowReturn ret;

  rtpgsmpay = GST_RTP_GSM_PAY (basepayload);

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

  /* FIXME, only one GSM frame per RTP packet for now */
  payload_len = size;

  /* FIXME, just error out for now */
  if (payload_len > GST_BASE_RTP_PAYLOAD_MTU (rtpgsmpay)) {
    GST_ELEMENT_ERROR (rtpgsmpay, STREAM, ENCODE, (NULL),
        ("payload_len %u > mtu %u", payload_len,
            GST_BASE_RTP_PAYLOAD_MTU (rtpgsmpay)));
    return GST_FLOW_ERROR;
  }

  outbuf = gst_rtp_buffer_new_allocate (payload_len, 0, 0);

  /* copy timestamp and duration */
  GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
  GST_BUFFER_DURATION (outbuf) = duration;

  /* get payload */
  payload = gst_rtp_buffer_get_payload (outbuf);

  data = GST_BUFFER_DATA (buffer);

  /* copy data in payload */
  memcpy (&payload[0], data, size);

  gst_buffer_unref (buffer);

  GST_DEBUG ("gst_rtp_gsm_pay_chain: pushing buffer of size %d",
      GST_BUFFER_SIZE (outbuf));

  ret = gst_basertppayload_push (basepayload, outbuf);

  return ret;
}

コード例 #2

ファイル: gstrtpgsmpay.c プロジェクト: DylanZA/gst-plugins-good

static GstFlowReturn
gst_rtp_gsm_pay_handle_buffer (GstRTPBasePayload * basepayload,
    GstBuffer * buffer)
{
  GstRTPGSMPay *rtpgsmpay;
  guint payload_len;
  GstBuffer *outbuf;
  GstClockTime timestamp, duration;
  GstFlowReturn ret;

  rtpgsmpay = GST_RTP_GSM_PAY (basepayload);

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

  /* FIXME, only one GSM frame per RTP packet for now */
  payload_len = gst_buffer_get_size (buffer);

  /* FIXME, just error out for now */
  if (payload_len > GST_RTP_BASE_PAYLOAD_MTU (rtpgsmpay))
    goto too_big;

  outbuf = gst_rtp_buffer_new_allocate (payload_len, 0, 0);

  /* copy timestamp and duration */
  GST_BUFFER_PTS (outbuf) = timestamp;
  GST_BUFFER_DURATION (outbuf) = duration;

  gst_rtp_copy_meta (GST_ELEMENT_CAST (rtpgsmpay), outbuf, buffer,
      g_quark_from_static_string (GST_META_TAG_AUDIO_STR));

  /* append payload */
  outbuf = gst_buffer_append (outbuf, buffer);

  GST_DEBUG ("gst_rtp_gsm_pay_chain: pushing buffer of size %" G_GSIZE_FORMAT,
      gst_buffer_get_size (outbuf));

  ret = gst_rtp_base_payload_push (basepayload, outbuf);

  return ret;

  /* ERRORS */
too_big:
  {
    GST_ELEMENT_ERROR (rtpgsmpay, STREAM, ENCODE, (NULL),
        ("payload_len %u > mtu %u", payload_len,
            GST_RTP_BASE_PAYLOAD_MTU (rtpgsmpay)));
    return GST_FLOW_ERROR;
  }
}

コード例 #3

ファイル: gstrtpgsmpay.c プロジェクト: BigBrother-International/gst-plugins-good

static GstFlowReturn
gst_rtp_gsm_pay_handle_buffer (GstRTPBasePayload * basepayload,
    GstBuffer * buffer)
{
  GstRTPGSMPay *rtpgsmpay;
  guint payload_len;
  GstBuffer *outbuf;
  GstMapInfo map;
  guint8 *payload;
  GstClockTime timestamp, duration;
  GstFlowReturn ret;
  GstRTPBuffer rtp = { NULL };

  rtpgsmpay = GST_RTP_GSM_PAY (basepayload);

  gst_buffer_map (buffer, &map, GST_MAP_READ);

  timestamp = GST_BUFFER_TIMESTAMP (buffer);
  duration = GST_BUFFER_DURATION (buffer);

  /* FIXME, only one GSM frame per RTP packet for now */
  payload_len = map.size;

  /* FIXME, just error out for now */
  if (payload_len > GST_RTP_BASE_PAYLOAD_MTU (rtpgsmpay))
    goto too_big;

  outbuf = gst_rtp_buffer_new_allocate (payload_len, 0, 0);

  /* copy timestamp and duration */
  GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
  GST_BUFFER_DURATION (outbuf) = duration;

  /* get payload */
  gst_rtp_buffer_map (outbuf, GST_MAP_WRITE, &rtp);

  /* copy data in payload */
  payload = gst_rtp_buffer_get_payload (&rtp);
  memcpy (payload, map.data, map.size);

  gst_rtp_buffer_unmap (&rtp);

  gst_buffer_unmap (buffer, &map);
  gst_buffer_unref (buffer);

  GST_DEBUG ("gst_rtp_gsm_pay_chain: pushing buffer of size %" G_GSIZE_FORMAT,
      gst_buffer_get_size (outbuf));

  ret = gst_rtp_base_payload_push (basepayload, outbuf);

  return ret;

  /* ERRORS */
too_big:
  {
    GST_ELEMENT_ERROR (rtpgsmpay, STREAM, ENCODE, (NULL),
        ("payload_len %u > mtu %u", payload_len,
            GST_RTP_BASE_PAYLOAD_MTU (rtpgsmpay)));
    gst_buffer_unmap (buffer, &map);
    return GST_FLOW_ERROR;
  }
}