Пример #1
0
GstSDPMessage *
kms_sdp_session_generate_offer (KmsSdpSession * self)
{
  SdpMessageContext *ctx;
  GstSDPMessage *offer = NULL;
  GError *err = NULL;

  GST_DEBUG_OBJECT (self, "Generate offer");

  ctx = kms_sdp_agent_create_offer (self->agent, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error generating offer (%s)", err->message);
    goto end;
  }

  offer = kms_sdp_message_context_pack (ctx, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error generating offer (%s)", err->message);
    goto end;
  }

  kms_sdp_message_context_set_type (ctx, KMS_SDP_OFFER);
  self->local_sdp_ctx = ctx;

end:
  g_clear_error (&err);

  return offer;
}
Пример #2
0
GstSDPMessage *
kms_sdp_session_process_offer (KmsSdpSession * self, GstSDPMessage * offer)
{
  SdpMessageContext *ctx;
  GstSDPMessage *answer = NULL, *copy;
  GError *err = NULL;

  GST_DEBUG_OBJECT (self, "Process offer");

  ctx = kms_sdp_message_context_new_from_sdp (offer, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error processing offer (%s)", err->message);
    goto end;
  }

  kms_sdp_message_context_set_type (ctx, KMS_SDP_OFFER);
  self->remote_sdp_ctx = ctx;

  if (gst_sdp_message_copy (offer, &copy) != GST_SDP_OK) {
    GST_ERROR_OBJECT (self, "Error processing offer (Cannot copy SDP offer)");
    goto end;
  }

  kms_sdp_agent_set_remote_description (self->agent, copy, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error processing offer (%s)", err->message);
    goto end;
  }

  ctx = kms_sdp_agent_create_answer (self->agent, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error processing offer (%s)", err->message);
    goto end;
  }

  answer = kms_sdp_message_context_pack (ctx, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error processing offer (%s)", err->message);
    kms_sdp_message_context_unref (ctx);
    goto end;
  }

  /* inmediate-TODO: review: a copy of answer? */
  kms_sdp_agent_set_local_description (self->agent, answer, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error processing offer (%s)", err->message);
    goto end;
  }

  kms_sdp_message_context_set_type (ctx, KMS_SDP_ANSWER);
  self->local_sdp_ctx = ctx;
  self->neg_sdp_ctx = ctx;

end:
  g_clear_error (&err);

  return answer;
}
Пример #3
0
GstSDPMessage *
kms_sdp_session_get_remote_sdp (KmsSdpSession * self)
{
  GstSDPMessage *sdp = NULL;
  GError *err = NULL;

  GST_DEBUG_OBJECT (self, "Get remote SDP");

  if (self->remote_sdp_ctx != NULL) {
    sdp = kms_sdp_message_context_pack (self->remote_sdp_ctx, &err);
    if (err != NULL) {
      GST_ERROR_OBJECT (self, "Error packing remote SDP (%s)", err->message);
      g_error_free (err);
    }
  }

  return sdp;
}
Пример #4
0
GstSDPMessage *
kms_sdp_session_process_offer (KmsSdpSession * self, GstSDPMessage * offer)
{
  SdpMessageContext *ctx;
  GstSDPMessage *answer = NULL;
  GError *err = NULL;

  GST_DEBUG_OBJECT (self, "Process offer");

  ctx = kms_sdp_message_context_new_from_sdp (offer, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error processing offer (%s)", err->message);
    goto end;
  }
  kms_sdp_message_context_set_type (ctx, KMS_SDP_OFFER);
  self->remote_sdp_ctx = ctx;

  ctx = kms_sdp_agent_create_answer (self->agent, offer, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error processing offer (%s)", err->message);
    goto end;
  }

  answer = kms_sdp_message_context_pack (ctx, &err);
  if (err != NULL) {
    GST_ERROR_OBJECT (self, "Error processing offer (%s)", err->message);
    kms_sdp_message_context_unref (ctx);
    goto end;
  }

  kms_sdp_message_context_set_type (ctx, KMS_SDP_ANSWER);
  self->local_sdp_ctx = ctx;
  self->neg_sdp_ctx = ctx;

end:
  g_clear_error (&err);

  return answer;
}