예제 #1
0
static GstCaps *
gst_rtp_opus_pay_getcaps (GstRTPBasePayload * payload,
    GstPad * pad, GstCaps * filter)
{
  GstCaps *caps, *peercaps, *tcaps;
  GstStructure *s;
  const gchar *stereo;

  if (pad == GST_RTP_BASE_PAYLOAD_SRCPAD (payload))
    return
        GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_opus_pay_parent_class)->get_caps
        (payload, pad, filter);

  tcaps = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload));
  peercaps = gst_pad_peer_query_caps (GST_RTP_BASE_PAYLOAD_SRCPAD (payload),
      tcaps);
  gst_caps_unref (tcaps);
  if (!peercaps)
    return
        GST_RTP_BASE_PAYLOAD_CLASS (gst_rtp_opus_pay_parent_class)->get_caps
        (payload, pad, filter);

  if (gst_caps_is_empty (peercaps))
    return peercaps;

  caps = gst_pad_get_pad_template_caps (GST_RTP_BASE_PAYLOAD_SINKPAD (payload));

  s = gst_caps_get_structure (peercaps, 0);
  stereo = gst_structure_get_string (s, "stereo");
  if (stereo != NULL) {
    caps = gst_caps_make_writable (caps);

    if (!strcmp (stereo, "1")) {
      GstCaps *caps2 = gst_caps_copy (caps);

      gst_caps_set_simple (caps, "channels", G_TYPE_INT, 2, NULL);
      gst_caps_set_simple (caps2, "channels", G_TYPE_INT, 1, NULL);
      caps = gst_caps_merge (caps, caps2);
    } else if (!strcmp (stereo, "0")) {
      GstCaps *caps2 = gst_caps_copy (caps);

      gst_caps_set_simple (caps, "channels", G_TYPE_INT, 1, NULL);
      gst_caps_set_simple (caps2, "channels", G_TYPE_INT, 2, NULL);
      caps = gst_caps_merge (caps, caps2);
    }
  }
  gst_caps_unref (peercaps);

  if (filter) {
    GstCaps *tmp = gst_caps_intersect_full (caps, filter,
        GST_CAPS_INTERSECT_FIRST);
    gst_caps_unref (caps);
    caps = tmp;
  }

  GST_DEBUG_OBJECT (payload, "Returning caps: %" GST_PTR_FORMAT, caps);
  return caps;
}
static gboolean
gst_rtp_base_payload_audio_sink_event (GstRTPBasePayload * basep,
    GstEvent * event)
{
  GstRTPBaseAudioPayload *payload;
  gboolean res = FALSE;

  payload = GST_RTP_BASE_AUDIO_PAYLOAD (basep);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_EOS:
      /* flush remaining bytes in the adapter */
      gst_rtp_base_audio_payload_flush (payload, -1, -1);
      break;
    case GST_EVENT_FLUSH_STOP:
      gst_adapter_clear (payload->priv->adapter);
      break;
    default:
      break;
  }

  /* let parent handle the remainder of the event */
  res = GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->sink_event (basep, event);

  return res;
}
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);
}
static gboolean
gst_rtp_sbc_pay_sink_event (GstRTPBasePayload * payload, GstEvent * event)
{
  GstRtpSBCPay *sbcpay = GST_RTP_SBC_PAY (payload);

  switch (GST_EVENT_TYPE (event)) {
    case GST_EVENT_EOS:
      gst_rtp_sbc_pay_flush_buffers (sbcpay);
      break;
    default:
      break;
  }

  return GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->sink_event (payload, event);
}
예제 #5
0
static GstFlowReturn
gst_rtp_L16_pay_handle_buffer (GstRTPBasePayload * basepayload,
    GstBuffer * buffer)
{
  GstRtpL16Pay *rtpL16pay;

  rtpL16pay = GST_RTP_L16_PAY (basepayload);
  buffer = gst_buffer_make_writable (buffer);

  if (rtpL16pay->order &&
      !gst_audio_buffer_reorder_channels (buffer, rtpL16pay->info.finfo->format,
          rtpL16pay->info.channels, rtpL16pay->info.position,
          rtpL16pay->order->pos)) {
    return GST_FLOW_ERROR;
  }

  return GST_RTP_BASE_PAYLOAD_CLASS (parent_class)->handle_buffer (basepayload,
      buffer);
}
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;
}
static void
gst_rtp_sbc_pay_class_init (GstRtpSBCPayClass * klass)
{
  GstRTPBasePayloadClass *payload_class = GST_RTP_BASE_PAYLOAD_CLASS (klass);
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);

  gobject_class->finalize = gst_rtp_sbc_pay_finalize;
  gobject_class->set_property = gst_rtp_sbc_pay_set_property;
  gobject_class->get_property = gst_rtp_sbc_pay_get_property;

  payload_class->set_caps = GST_DEBUG_FUNCPTR (gst_rtp_sbc_pay_set_caps);
  payload_class->handle_buffer =
      GST_DEBUG_FUNCPTR (gst_rtp_sbc_pay_handle_buffer);
  payload_class->sink_event = GST_DEBUG_FUNCPTR (gst_rtp_sbc_pay_sink_event);

  /* properties */
  g_object_class_install_property (G_OBJECT_CLASS (klass),
      PROP_MIN_FRAMES,
      g_param_spec_int ("min-frames", "minimum frame number",
          "Minimum quantity of frames to send in one packet "
          "(-1 for maximum allowed by the mtu)",
          -1, G_MAXINT, DEFAULT_MIN_FRAMES, G_PARAM_READWRITE));

  gst_element_class_add_static_pad_template (element_class,
      &gst_rtp_sbc_pay_sink_factory);
  gst_element_class_add_static_pad_template (element_class,
      &gst_rtp_sbc_pay_src_factory);

  gst_element_class_set_static_metadata (element_class, "RTP packet payloader",
      "Codec/Payloader/Network", "Payload SBC audio as RTP packets",
      "Thiago Sousa Santos <*****@*****.**>");

  GST_DEBUG_CATEGORY_INIT (gst_rtp_sbc_pay_debug, "rtpsbcpay", 0,
      "RTP SBC payloader");
}