C++ (Cpp) GST_RTP_MP4G_PAY Examples

Example #1

File: gstrtpmp4gpay.c Project: BigBrother-International/gst-plugins-good

static GstStateChangeReturn
gst_rtp_mp4g_pay_change_state (GstElement * element, GstStateChange transition)
{
  GstStateChangeReturn ret;
  GstRtpMP4GPay *rtpmp4gpay;

  rtpmp4gpay = GST_RTP_MP4G_PAY (element);

  switch (transition) {
    case GST_STATE_CHANGE_READY_TO_PAUSED:
      gst_rtp_mp4g_pay_cleanup (rtpmp4gpay);
      break;
    default:
      break;
  }

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

  switch (transition) {
    case GST_STATE_CHANGE_PAUSED_TO_READY:
      gst_rtp_mp4g_pay_cleanup (rtpmp4gpay);
      break;
    default:
      break;
  }

  return ret;
}

Example #2

File: gstrtpmp4gpay.c Project: BigBrother-International/gst-plugins-good

static gboolean
gst_rtp_mp4g_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
{
  GstRtpMP4GPay *rtpmp4gpay;

  rtpmp4gpay = GST_RTP_MP4G_PAY (payload);

  GST_DEBUG ("Got event: %s", GST_EVENT_TYPE_NAME (event));

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_SEGMENT:
    case GST_EVENT_EOS:
      /* This flush call makes sure that the last buffer is always pushed
       * to the base payloader */
      gst_rtp_mp4g_pay_flush (rtpmp4gpay);
      break;
    case GST_EVENT_FLUSH_STOP:
      gst_rtp_mp4g_pay_reset (rtpmp4gpay);
      break;
    default:
      break;
  }

  /* let parent handle event too */
  return GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->sink_event (payload, event);
}

Example #3

File: gstrtpmp4gpay.c Project: TheBigW/gst-plugins-good

static gboolean
gst_rtp_mp4g_pay_handle_event (GstPad * pad, GstEvent * event)
{
  GstRtpMP4GPay *rtpmp4gpay;

  rtpmp4gpay = GST_RTP_MP4G_PAY (gst_pad_get_parent (pad));

  GST_DEBUG ("Got event: %s", GST_EVENT_TYPE_NAME (event));

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_NEWSEGMENT:
    case GST_EVENT_EOS:
      /* This flush call makes sure that the last buffer is always pushed
       * to the base payloader */
      gst_rtp_mp4g_pay_flush (rtpmp4gpay);
      break;
    case GST_EVENT_FLUSH_STOP:
      gst_rtp_mp4g_pay_reset (rtpmp4gpay);
      break;
    default:
      break;
  }

  g_object_unref (rtpmp4gpay);

  /* let parent handle event too */
  return FALSE;
}

Example #4

File: gstrtpmp4gpay.c Project: BigBrother-International/gst-plugins-good

static void
gst_rtp_mp4g_pay_finalize (GObject * object)
{
  GstRtpMP4GPay *rtpmp4gpay;

  rtpmp4gpay = GST_RTP_MP4G_PAY (object);

  gst_rtp_mp4g_pay_cleanup (rtpmp4gpay);

  g_object_unref (rtpmp4gpay->adapter);
  rtpmp4gpay->adapter = NULL;

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

Example #5

File: gstrtpmp4gpay.c Project: adesurya/gst-mobile

/* we expect buffers as exactly one complete AU
 */
static GstFlowReturn
gst_rtp_mp4g_pay_handle_buffer (GstRTPBasePayload * basepayload,
    GstBuffer * buffer)
{
  GstRtpMP4GPay *rtpmp4gpay;

  rtpmp4gpay = GST_RTP_MP4G_PAY (basepayload);

  rtpmp4gpay->first_timestamp = GST_BUFFER_TIMESTAMP (buffer);
  rtpmp4gpay->first_duration = GST_BUFFER_DURATION (buffer);

  /* we always encode and flush a full AU */
  gst_adapter_push (rtpmp4gpay->adapter, buffer);

  return gst_rtp_mp4g_pay_flush (rtpmp4gpay);
}

Example #6

File: gstrtpmp4gpay.c Project: BigBrother-International/gst-plugins-good

static gboolean
gst_rtp_mp4g_pay_setcaps (GstRTPBasePayload * payload, GstCaps * caps)
{
  GstRtpMP4GPay *rtpmp4gpay;
  GstStructure *structure;
  const GValue *codec_data;
  const gchar *media_type = NULL;
  gboolean res;

  rtpmp4gpay = GST_RTP_MP4G_PAY (payload);

  structure = gst_caps_get_structure (caps, 0);

  codec_data = gst_structure_get_value (structure, "codec_data");
  if (codec_data) {
    GST_LOG_OBJECT (rtpmp4gpay, "got codec_data");
    if (G_VALUE_TYPE (codec_data) == GST_TYPE_BUFFER) {
      GstBuffer *buffer;
      const gchar *name;

      buffer = gst_value_get_buffer (codec_data);
      GST_LOG_OBJECT (rtpmp4gpay, "configuring codec_data");

      name = gst_structure_get_name (structure);

      /* parse buffer */
      if (!strcmp (name, "audio/mpeg")) {
        res = gst_rtp_mp4g_pay_parse_audio_config (rtpmp4gpay, buffer);
        media_type = "audio";
      } else if (!strcmp (name, "video/mpeg")) {
        res = gst_rtp_mp4g_pay_parse_video_config (rtpmp4gpay, buffer);
        media_type = "video";
      } else {
        res = FALSE;
      }
      if (!res)
        goto config_failed;

      /* now we can configure the buffer */
      if (rtpmp4gpay->config)
        gst_buffer_unref (rtpmp4gpay->config);

      rtpmp4gpay->config = gst_buffer_copy (buffer);
    }
  }
  if (media_type == NULL)
    goto config_failed;

  gst_rtp_base_payload_set_options (payload, media_type, TRUE, "MPEG4-GENERIC",
      rtpmp4gpay->rate);

  res = gst_rtp_mp4g_pay_new_caps (rtpmp4gpay);

  return res;

  /* ERRORS */
config_failed:
  {
    GST_DEBUG_OBJECT (rtpmp4gpay, "failed to parse config");
    return FALSE;
  }
}