std::string SdpEndpointImpl::processOffer (const std::string &offer)
{
GstSDPMessage *offerSdp = NULL, *result = NULL;
std::string offerSdpStr;
bool expected = false;
if (!offerInProcess.compare_exchange_strong (expected, true) ) {
//the endpoint is already negotiated
throw KurentoException (SDP_END_POINT_ALREADY_NEGOTIATED,
"Endpoint already negotiated");
}
offerSdp = str_to_sdp (offer);
g_signal_emit_by_name (element, "process-offer", offerSdp, &result);
gst_sdp_message_free (offerSdp);
if (result == NULL) {
offerInProcess = false;
throw KurentoException (SDP_END_POINT_PROCESS_OFFER_ERROR,
"Error processing offer");
}
sdp_to_str (offerSdpStr, result);
gst_sdp_message_free (result);
MediaSessionStarted event (shared_from_this(), MediaSessionStarted::getName() );
signalMediaSessionStarted (event);
return offerSdpStr;
}
GST_END_TEST
GST_START_TEST (copy)
{
GstSDPMessage *message, *copy;
glong length = -1;
gchar *message_str, *copy_str;
const gchar *repeat1[] = { "789", "012", NULL };
const gchar *repeat2[] = { "987", "210", NULL };
gst_sdp_message_new (&message);
gst_sdp_message_parse_buffer ((guint8 *) sdp, length, message);
gst_sdp_message_add_time (message, "123", "456", repeat1);
gst_sdp_message_add_time (message, "321", "654", repeat2);
gst_sdp_message_copy (message, ©);
message_str = gst_sdp_message_as_text (message);
GST_DEBUG ("Original:\n%s", message_str);
gst_sdp_message_free (message);
copy_str = gst_sdp_message_as_text (copy);
gst_sdp_message_free (copy);
GST_DEBUG ("Copy:\n%s", copy_str);
fail_if (g_strcmp0 (copy_str, message_str) != 0);
g_free (copy_str);
g_free (message_str);
}
GstSDPMessage *
kms_sdp_message_context_pack (SdpMessageContext * ctx, GError ** error)
{
GstSDPMessage *msg;
gchar *sdp_str;
GSList *l;
gst_sdp_message_new (&msg);
/* Context's message only stores media session attributes */
sdp_str = gst_sdp_message_as_text (ctx->msg);
if (gst_sdp_message_parse_buffer ((const guint8 *) sdp_str, -1,
msg) != GST_SDP_OK) {
g_set_error_literal (error, KMS_SDP_AGENT_ERROR, SDP_AGENT_UNEXPECTED_ERROR,
"Can not create SDP message");
g_free (sdp_str);
return NULL;
}
g_free (sdp_str);
/* Add group attributes */
g_slist_foreach (ctx->groups, (GFunc) add_group_to_sdp_message, msg);
/* Append medias to the message */
for (l = ctx->medias; l != NULL; l = g_slist_next (l)) {
if (!add_media_to_sdp_message (l->data, msg, error)) {
gst_sdp_message_free (msg);
return NULL;
}
}
return msg;
}
GST_END_TEST
GST_START_TEST (media_from_caps_rtcp_fb_pt_101)
{
GstSDPResult ret = GST_SDP_OK;
GstSDPMessage *message;
glong length = -1;
GstSDPMedia *media_caps;
const GstSDPMedia *media_sdp;
GstCaps *caps;
const gchar *attr_val_caps1, *attr_val_sdp1;
caps = gst_caps_from_string (caps_video_rtcp_fb_pt_101);
gst_sdp_media_new (&media_caps);
fail_unless (media_caps != NULL);
ret = gst_sdp_media_set_media_from_caps (caps, media_caps);
fail_unless (ret == GST_SDP_OK);
gst_caps_unref (caps);
gst_sdp_message_new (&message);
gst_sdp_message_parse_buffer ((guint8 *) sdp_rtcp_fb, length, message);
media_sdp = gst_sdp_message_get_media (message, 0);
fail_unless (media_sdp != NULL);
attr_val_caps1 = gst_sdp_media_get_attribute_val (media_caps, "rtcp-fb");
attr_val_sdp1 = gst_sdp_media_get_attribute_val_n (media_sdp, "rtcp-fb", 3);
fail_if (g_strcmp0 (attr_val_caps1, attr_val_sdp1) != 0);
gst_sdp_media_free (media_caps);
gst_sdp_message_free (message);
}
std::string SdpEndpointImpl::generateOffer ()
{
GstSDPMessage *offer = NULL;
std::string offerStr;
bool expected = false;
if (!offerInProcess.compare_exchange_strong (expected, true) ) {
//the endpoint is already negotiated
throw KurentoException (SDP_END_POINT_ALREADY_NEGOTIATED,
"Endpoint already negotiated");
}
if (element == NULL) {
}
g_signal_emit_by_name (element, "generate-offer", &offer);
if (offer == NULL) {
offerInProcess = false;
throw KurentoException (SDP_END_POINT_GENERATE_OFFER_ERROR,
"Error generating offer");
}
sdp_to_str (offerStr, offer);
gst_sdp_message_free (offer);
waitingAnswer = true;
return offerStr;
}
std::string SdpEndpointImpl::processAnswer (const std::string &answer)
{
GstSDPMessage *answerSdp;
std::string resultStr;
bool expected = true;
bool expected_false = false;
if (!waitingAnswer.compare_exchange_strong (expected, true) ) {
//offer not generated
throw KurentoException (SDP_END_POINT_NOT_OFFER_GENERATED,
"Offer not generated. It is not possible to process an answer.");
}
if (!answerProcessed.compare_exchange_strong (expected_false, true) ) {
//the endpoint is already negotiated
throw KurentoException (SDP_END_POINT_ANSWER_ALREADY_PROCCESED,
"Sdp Answer already processed");
}
answerSdp = str_to_sdp (answer);
g_signal_emit_by_name (element, "process-answer", answerSdp, NULL);
gst_sdp_message_free (answerSdp);
MediaSessionStarted event (shared_from_this(), MediaSessionStarted::getName() );
signalMediaSessionStarted (event);
return getLocalSessionDescriptor ();
}
GST_END_TEST
GST_START_TEST (modify)
{
GstSDPMessage *message;
glong length = -1;
const GstSDPMedia *media;
const gchar *old_val;
const gchar *result;
GstSDPAttribute attr;
gst_sdp_message_new (&message);
gst_sdp_message_parse_buffer ((guint8 *) sdp, length, message);
/* modify session attribute */
fail_unless (gst_sdp_message_add_attribute (message,
"test_attr_session", "param1=val1") == GST_SDP_OK);
old_val = gst_sdp_message_get_attribute_val (message, "test_attr_session");
fail_unless (old_val != NULL);
attr.key = g_strdup ("test_attr_session");
attr.value = g_strdup_printf ("%s;param2=val2", old_val);
fail_unless (gst_sdp_message_replace_attribute (message, 0,
&attr) == GST_SDP_OK);
result = gst_sdp_message_get_attribute_val (message, "test_attr_session");
fail_unless (result != NULL);
fail_unless (g_strcmp0 (result, "param1=val1;param2=val2") == 0);
/* modify media attribute */
media = gst_sdp_message_get_media (message, 0);
fail_unless (media != NULL);
fail_unless (gst_sdp_media_add_attribute ((GstSDPMedia *) media,
"test_attr_media", "param3=val3") == GST_SDP_OK);
old_val =
gst_sdp_media_get_attribute_val ((GstSDPMedia *) media,
"test_attr_media");
fail_unless (old_val != NULL);
attr.key = g_strdup ("test_attr_media");
attr.value = g_strdup ("myparam=myval");
fail_unless (gst_sdp_media_replace_attribute ((GstSDPMedia *) media,
0, &attr) == GST_SDP_OK);
result =
gst_sdp_media_get_attribute_val ((GstSDPMedia *) media,
"test_attr_media");
fail_unless (result != NULL);
fail_unless (g_strcmp0 (result, "myparam=myval") == 0);
gst_sdp_message_free (message);
}
static void
kms_sdp_agent_release_sdp (GstSDPMessage ** sdp)
{
if (*sdp == NULL) {
return;
}
gst_sdp_message_free (*sdp);
*sdp = NULL;
}
static gboolean
test_response_sdp (GstRTSPClient * client, GstRTSPMessage * response,
gboolean close, gpointer user_data)
{
guint8 *data;
guint size;
GstSDPMessage *sdp_msg;
const GstSDPMedia *sdp_media;
const GstSDPBandwidth *bw;
gint bandwidth_val = GPOINTER_TO_INT (user_data);
fail_unless (gst_rtsp_message_get_body (response, &data, &size)
== GST_RTSP_OK);
gst_sdp_message_new (&sdp_msg);
fail_unless (gst_sdp_message_parse_buffer (data, size, sdp_msg)
== GST_SDP_OK);
/* session description */
/* v= */
fail_unless (gst_sdp_message_get_version (sdp_msg) != NULL);
/* o= */
fail_unless (gst_sdp_message_get_origin (sdp_msg) != NULL);
/* s= */
fail_unless (gst_sdp_message_get_session_name (sdp_msg) != NULL);
/* t=0 0 */
fail_unless (gst_sdp_message_times_len (sdp_msg) == 0);
/* verify number of medias */
fail_unless (gst_sdp_message_medias_len (sdp_msg) == 1);
/* media description */
sdp_media = gst_sdp_message_get_media (sdp_msg, 0);
fail_unless (sdp_media != NULL);
/* m= */
fail_unless (gst_sdp_media_get_media (sdp_media) != NULL);
/* media bandwidth */
if (bandwidth_val) {
fail_unless (gst_sdp_media_bandwidths_len (sdp_media) == 1);
bw = gst_sdp_media_get_bandwidth (sdp_media, 0);
fail_unless (bw != NULL);
fail_unless (g_strcmp0 (bw->bwtype, "AS") == 0);
fail_unless (bw->bandwidth == bandwidth_val);
} else {
fail_unless (gst_sdp_media_bandwidths_len (sdp_media) == 0);
}
gst_sdp_message_free (sdp_msg);
return TRUE;
}
std::string SdpEndpointImpl::processOffer (const std::string &offer)
{
GstSDPMessage *offerSdp = NULL, *result = NULL;
std::string offerSdpStr;
offerSdp = str_to_sdp (offer);
g_signal_emit_by_name (element, "process-offer", offerSdp, &result);
gst_sdp_message_free (offerSdp);
if (result == NULL) {
throw KurentoException (SDP_END_POINT_PROCESS_OFFER_ERROR,
"Error processing offer");
}
sdp_to_str (offerSdpStr, result);
gst_sdp_message_free (result);
MediaSessionStarted event (shared_from_this(), MediaSessionStarted::getName() );
signalMediaSessionStarted (event);
return offerSdpStr;
}
std::string SdpEndpointImpl::processAnswer (const std::string &answer)
{
GstSDPMessage *answerSdp;
std::string resultStr;
answerSdp = str_to_sdp (answer);
g_signal_emit_by_name (element, "process-answer", answerSdp, NULL);
gst_sdp_message_free (answerSdp);
MediaSessionStarted event (shared_from_this(), MediaSessionStarted::getName() );
signalMediaSessionStarted (event);
return getLocalSessionDescriptor ();
}
std::string SdpEndpointImpl::getRemoteSessionDescriptor ()
{
GstSDPMessage *remoteSdp = NULL;
std::string remoteSdpStr;
g_object_get (element, "remote-sdp", &remoteSdp, NULL);
if (remoteSdp == NULL) {
throw KurentoException (SDP_END_POINT_NO_REMOTE_SDP_ERROR, "No remote SDP");
}
sdp_to_str (remoteSdpStr, remoteSdp);;
gst_sdp_message_free (remoteSdp);
return remoteSdpStr;
}
std::string SdpEndpointImpl::getRemoteSessionDescriptor ()
{
GstSDPMessage *remoteSdp = NULL;
std::string remoteSdpStr;
g_signal_emit_by_name (element, "get-remote-sdp", sessId.c_str (), &remoteSdp);
if (remoteSdp == NULL) {
throw KurentoException (SDP_END_POINT_NO_REMOTE_SDP_ERROR, "No remote SDP");
}
sdp_to_str (remoteSdpStr, remoteSdp);;
gst_sdp_message_free (remoteSdp);
return remoteSdpStr;
}
std::string SdpEndpointImpl::getLocalSessionDescriptor ()
{
GstSDPMessage *localSdp = NULL;
std::string localSdpStr;
g_signal_emit_by_name (element, "get-local-sdp", sessId.c_str (), &localSdp);
if (localSdp == NULL) {
throw KurentoException (SDP_END_POINT_NO_LOCAL_SDP_ERROR, "No local SDP");
}
sdp_to_str (localSdpStr, localSdp);
gst_sdp_message_free (localSdp);
return localSdpStr;
}
std::string SdpEndpointImpl::getLocalSessionDescriptor ()
{
GstSDPMessage *localSdp = NULL;
std::string localSdpStr;
g_object_get (element, "local-sdp", &localSdp, NULL);
if (localSdp == NULL) {
throw KurentoException (SDP_END_POINT_NO_LOCAL_SDP_ERROR, "No local SDP");
}
sdp_to_str (localSdpStr, localSdp);
gst_sdp_message_free (localSdp);
return localSdpStr;
}
GST_END_TEST
GST_START_TEST (media_from_caps)
{
GstSDPResult ret = GST_SDP_OK;
GstSDPMessage *message;
glong length = -1;
GstSDPMedia *media_video, *media_audio;
const GstSDPMedia *result_video, *result_audio;
GstCaps *caps_video, *caps_audio;
const gchar *media1_text, *media2_text, *media3_text, *media4_text;
caps_video = gst_caps_from_string (caps_video_string1);
caps_audio = gst_caps_from_string (caps_audio_string);
gst_sdp_media_new (&media_video);
fail_unless (media_video != NULL);
gst_sdp_media_new (&media_audio);
fail_unless (media_audio != NULL);
ret = gst_sdp_media_set_media_from_caps (caps_video, media_video);
fail_unless (ret == GST_SDP_OK);
gst_caps_unref (caps_video);
ret = gst_sdp_media_set_media_from_caps (caps_audio, media_audio);
fail_unless (ret == GST_SDP_OK);
gst_caps_unref (caps_audio);
gst_sdp_message_new (&message);
gst_sdp_message_parse_buffer ((guint8 *) sdp, length, message);
result_video = gst_sdp_message_get_media (message, 0);
fail_unless (result_video != NULL);
result_audio = gst_sdp_message_get_media (message, 2);
fail_unless (result_audio != NULL);
media1_text = gst_sdp_media_get_attribute_val (media_video, "rtpmap");
media2_text = gst_sdp_media_get_attribute_val (result_video, "rtpmap");
media3_text = gst_sdp_media_get_format (media_audio, 0);
media4_text = gst_sdp_media_get_format (result_audio, 0);
fail_if (g_strcmp0 (media1_text, media2_text) != 0);
fail_if (g_strcmp0 (media3_text, media4_text) != 0);
gst_sdp_media_free (media_video);
gst_sdp_media_free (media_audio);
gst_sdp_message_free (message);
}
void
kms_sdp_message_context_destroy (SdpMessageContext * ctx)
{
if (ctx->msg != NULL) {
gst_sdp_message_free (ctx->msg);
}
g_hash_table_unref (ctx->mids);
g_slist_free_full (ctx->medias,
(GDestroyNotify) kms_sdp_context_destroy_media_config);
g_slist_free_full (ctx->groups,
(GDestroyNotify) kms_sdp_context_destroy_media_group);
g_slice_free (SdpMessageContext, ctx);
}
GST_END_TEST
GST_START_TEST (caps_from_media)
{
GstSDPMessage *message;
glong length = -1;
const GstSDPMedia *media1, *media2, *media3;
GstCaps *caps_video1, *caps_video2, *caps_audio;
GstCaps *result_video1, *result_video2, *result_audio;
gst_sdp_message_new (&message);
gst_sdp_message_parse_buffer ((guint8 *) sdp, length, message);
media1 = gst_sdp_message_get_media (message, 0);
fail_unless (media1 != NULL);
media2 = gst_sdp_message_get_media (message, 1);
fail_unless (media2 != NULL);
media3 = gst_sdp_message_get_media (message, 2);
fail_unless (media2 != NULL);
caps_video1 = gst_sdp_media_get_caps_from_media (media1, 96);
caps_video2 = gst_sdp_media_get_caps_from_media (media1, 97);
caps_audio = gst_sdp_media_get_caps_from_media (media3, 14);
result_video1 = gst_caps_from_string (caps_video_string1);
fail_unless (gst_caps_is_strictly_equal (caps_video1, result_video1));
gst_caps_unref (result_video1);
gst_caps_unref (caps_video1);
result_video2 = gst_caps_from_string (caps_video_string2);
fail_unless (gst_caps_is_strictly_equal (caps_video2, result_video2));
gst_caps_unref (result_video2);
gst_caps_unref (caps_video2);
result_audio = gst_caps_from_string (caps_audio_string);
fail_unless (gst_caps_is_strictly_equal (caps_audio, result_audio));
gst_caps_unref (result_audio);
gst_caps_unref (caps_audio);
gst_sdp_message_free (message);
}
std::string SdpEndpointImpl::generateOffer ()
{
GstSDPMessage *offer = NULL;
std::string offerStr;
if (element == NULL) {
}
g_signal_emit_by_name (element, "generate-offer", &offer);
if (offer == NULL) {
throw KurentoException (SDP_END_POINT_GENERATE_OFFER_ERROR,
"Error generating offer");
}
sdp_to_str (offerStr, offer);
gst_sdp_message_free (offer);
return offerStr;
}
void rtsp_media_free(RTSP_media *medium)
{
g_assert(medium != NULL);
if (medium->sdp)
{
gst_sdp_message_free(medium->sdp);
}
if (medium->rtp_sessions)
{
rtsp_media_del_rtp_sessions(medium->rtp_sessions);
}
if (medium->content_base)
{
g_free(medium->content_base);
}
g_free(medium);
}
GST_END_TEST
GST_START_TEST (caps_from_media_rtcp_fb_all)
{
GstSDPMessage *message;
glong length = -1;
const GstSDPMedia *media1;
GstCaps *caps1, *caps2, *caps3;
GstCaps *result1, *result2, *result3;
gst_sdp_message_new (&message);
gst_sdp_message_parse_buffer ((guint8 *) sdp_rtcp_fb_all, length, message);
media1 = gst_sdp_message_get_media (message, 0);
fail_unless (media1 != NULL);
caps1 = gst_sdp_media_get_caps_from_media (media1, 100);
result1 = gst_caps_from_string (caps_video_rtcp_fb_all_pt_100);
fail_unless (gst_caps_is_strictly_equal (caps1, result1));
gst_caps_unref (result1);
gst_caps_unref (caps1);
caps2 = gst_sdp_media_get_caps_from_media (media1, 101);
result2 = gst_caps_from_string (caps_video_rtcp_fb_all_pt_101);
fail_unless (gst_caps_is_strictly_equal (caps2, result2));
gst_caps_unref (result2);
gst_caps_unref (caps2);
caps3 = gst_sdp_media_get_caps_from_media (media1, 102);
result3 = gst_caps_from_string (caps_video_rtcp_fb_all_pt_102);
fail_unless (gst_caps_is_strictly_equal (caps3, result3));
gst_caps_unref (result3);
gst_caps_unref (caps3);
gst_sdp_message_free (message);
}
static GstSDPMessage *
str_to_sdp (const std::string &sdpStr)
{
GstSDPResult result;
GstSDPMessage *sdp = NULL;
result = gst_sdp_message_new (&sdp);
if (result != GST_SDP_OK) {
throw KurentoException (SDP_CREATE_ERROR, "Error creating SDP message");
}
result = gst_sdp_message_parse_buffer ( (const guint8 *) sdpStr.c_str (), -1,
sdp);
if (result != GST_SDP_OK) {
gst_sdp_message_free (sdp);
throw KurentoException (SDP_PARSE_ERROR, "Error parsing SDP");
}
return sdp;
}
SDPDescription::~SDPDescription() { gst_sdp_message_free(sdp_description_); }
GST_END_TEST
GST_START_TEST (negotiation_offerer)
{
GArray *audio_codecs_array, *video_codecs_array;
gchar *audio_codecs[] = { "OPUS/48000/1", "AMR/8000/1", NULL };
gchar *video_codecs[] = { "H263-1998/90000", "VP8/90000", NULL };
GstElement *offerer = gst_element_factory_make ("rtpendpoint", NULL);
GstElement *answerer = gst_element_factory_make ("rtpendpoint", NULL);
GstSDPMessage *offer = NULL, *answer = NULL;
GstSDPMessage *offerer_local_sdp = NULL, *offerer_remote_sdp = NULL;
gchar *offerer_local_sdp_str, *offerer_remote_sdp_str;
GstSDPMessage *answerer_local_sdp = NULL, *answerer_remote_sdp = NULL;
gchar *answerer_local_sdp_str, *answerer_remote_sdp_str;
gchar *sdp_str = NULL;
audio_codecs_array = create_codecs_array (audio_codecs);
video_codecs_array = create_codecs_array (video_codecs);
g_object_set (offerer, "num-audio-medias", 1, "audio-codecs",
g_array_ref (audio_codecs_array), "num-video-medias", 1, "video-codecs",
g_array_ref (video_codecs_array), NULL);
g_object_set (answerer, "num-audio-medias", 1, "audio-codecs",
g_array_ref (audio_codecs_array), "num-video-medias", 1, "video-codecs",
g_array_ref (video_codecs_array), NULL);
g_array_unref (audio_codecs_array);
g_array_unref (video_codecs_array);
g_signal_emit_by_name (offerer, "generate-offer", &offer);
fail_unless (offer != NULL);
GST_DEBUG ("Offer:\n%s", (sdp_str = gst_sdp_message_as_text (offer)));
g_free (sdp_str);
sdp_str = NULL;
g_signal_emit_by_name (answerer, "process-offer", offer, &answer);
fail_unless (answer != NULL);
GST_DEBUG ("Answer:\n%s", (sdp_str = gst_sdp_message_as_text (answer)));
g_free (sdp_str);
sdp_str = NULL;
g_signal_emit_by_name (offerer, "process-answer", answer);
gst_sdp_message_free (offer);
gst_sdp_message_free (answer);
g_object_get (offerer, "local-sdp", &offerer_local_sdp, NULL);
fail_unless (offerer_local_sdp != NULL);
g_object_get (offerer, "remote-sdp", &offerer_remote_sdp, NULL);
fail_unless (offerer_remote_sdp != NULL);
g_object_get (answerer, "local-sdp", &answerer_local_sdp, NULL);
fail_unless (answerer_local_sdp != NULL);
g_object_get (answerer, "remote-sdp", &answerer_remote_sdp, NULL);
fail_unless (answerer_remote_sdp != NULL);
offerer_local_sdp_str = gst_sdp_message_as_text (offerer_local_sdp);
offerer_remote_sdp_str = gst_sdp_message_as_text (offerer_remote_sdp);
answerer_local_sdp_str = gst_sdp_message_as_text (answerer_local_sdp);
answerer_remote_sdp_str = gst_sdp_message_as_text (answerer_remote_sdp);
GST_DEBUG ("Offerer local SDP\n%s", offerer_local_sdp_str);
GST_DEBUG ("Offerer remote SDPr\n%s", offerer_remote_sdp_str);
GST_DEBUG ("Answerer local SDP\n%s", answerer_local_sdp_str);
GST_DEBUG ("Answerer remote SDP\n%s", answerer_remote_sdp_str);
fail_unless (g_strcmp0 (offerer_local_sdp_str, answerer_remote_sdp_str) == 0);
fail_unless (g_strcmp0 (offerer_remote_sdp_str, answerer_local_sdp_str) == 0);
g_free (offerer_local_sdp_str);
g_free (offerer_remote_sdp_str);
g_free (answerer_local_sdp_str);
g_free (answerer_remote_sdp_str);
gst_sdp_message_free (offerer_local_sdp);
gst_sdp_message_free (offerer_remote_sdp);
gst_sdp_message_free (answerer_local_sdp);
gst_sdp_message_free (answerer_remote_sdp);
g_object_unref (offerer);
g_object_unref (answerer);
}
static void
test_audio_sendrecv (const gchar * audio_enc_name,
GstStaticCaps expected_caps, gchar * codec)
{
GArray *codecs_array;
gchar *codecs[] = { codec, NULL };
HandOffData *hod;
GMainLoop *loop = g_main_loop_new (NULL, TRUE);
GstSDPMessage *offer, *answer;
GstElement *pipeline = gst_pipeline_new (NULL);
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
GstElement *audiotestsrc_offerer =
gst_element_factory_make ("audiotestsrc", NULL);
GstElement *audiotestsrc_answerer =
gst_element_factory_make ("audiotestsrc", NULL);
GstElement *audio_enc_offerer =
gst_element_factory_make (audio_enc_name, NULL);
GstElement *audio_enc_answerer =
gst_element_factory_make (audio_enc_name, NULL);
GstElement *rtpendpoint_offerer =
gst_element_factory_make ("rtpendpoint", NULL);
GstElement *rtpendpoint_answerer =
gst_element_factory_make ("rtpendpoint", NULL);
GstElement *fakesink_offerer = gst_element_factory_make ("fakesink", NULL);
GstElement *fakesink_answerer = gst_element_factory_make ("fakesink", NULL);
gst_bus_add_signal_watch (bus);
g_signal_connect (bus, "message", G_CALLBACK (bus_msg), pipeline);
codecs_array = create_codecs_array (codecs);
g_object_set (rtpendpoint_offerer, "num-audio-medias", 1, "audio-codecs",
g_array_ref (codecs_array), NULL);
g_object_set (rtpendpoint_answerer, "num-audio-medias", 1, "audio-codecs",
g_array_ref (codecs_array), NULL);
g_array_unref (codecs_array);
hod = g_slice_new (HandOffData);
hod->expected_caps = expected_caps;
hod->loop = loop;
g_object_set (G_OBJECT (fakesink_offerer), "signal-handoffs", TRUE, NULL);
g_signal_connect (G_OBJECT (fakesink_offerer), "handoff",
G_CALLBACK (sendrecv_offerer_fakesink_hand_off), hod);
g_object_set (G_OBJECT (fakesink_answerer), "signal-handoffs", TRUE, NULL);
g_signal_connect (G_OBJECT (fakesink_answerer), "handoff",
G_CALLBACK (sendrecv_answerer_fakesink_hand_off), hod);
/* Add elements */
gst_bin_add (GST_BIN (pipeline), rtpendpoint_offerer);
connect_sink_async (rtpendpoint_offerer, audiotestsrc_offerer,
audio_enc_offerer, NULL, pipeline, "sink_audio");
gst_bin_add (GST_BIN (pipeline), rtpendpoint_answerer);
connect_sink_async (rtpendpoint_answerer, audiotestsrc_answerer,
audio_enc_answerer, NULL, pipeline, "sink_audio");
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* SDP negotiation */
mark_point ();
g_signal_emit_by_name (rtpendpoint_offerer, "generate-offer", &offer);
fail_unless (offer != NULL);
mark_point ();
g_signal_emit_by_name (rtpendpoint_answerer, "process-offer", offer, &answer);
fail_unless (answer != NULL);
mark_point ();
g_signal_emit_by_name (rtpendpoint_offerer, "process-answer", answer);
gst_sdp_message_free (offer);
gst_sdp_message_free (answer);
gst_bin_add (GST_BIN (pipeline), fakesink_offerer);
g_object_set_data (G_OBJECT (rtpendpoint_offerer), AUDIO_SINK,
fakesink_offerer);
g_signal_connect (rtpendpoint_offerer, "pad-added",
G_CALLBACK (connect_sink_on_srcpad_added), NULL);
fail_unless (kms_element_request_srcpad (rtpendpoint_offerer,
KMS_ELEMENT_PAD_TYPE_AUDIO));
gst_bin_add (GST_BIN (pipeline), fakesink_answerer);
g_object_set_data (G_OBJECT (rtpendpoint_answerer), AUDIO_SINK,
fakesink_answerer);
g_signal_connect (rtpendpoint_answerer, "pad-added",
G_CALLBACK (connect_sink_on_srcpad_added), NULL);
fail_unless (kms_element_request_srcpad (rtpendpoint_answerer,
KMS_ELEMENT_PAD_TYPE_AUDIO));
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "test_audio_sendrecv_before_entering_loop");
mark_point ();
g_main_loop_run (loop);
mark_point ();
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "test_audio_sendrecv_end");
gst_element_set_state (pipeline, GST_STATE_NULL);
gst_bus_remove_signal_watch (bus);
g_object_unref (bus);
g_main_loop_unref (loop);
g_object_unref (pipeline);
g_slice_free (HandOffData, hod);
}
GST_END_TEST
GST_START_TEST (process_webrtc_offer)
{
GstSDPMessage *pattern_sdp;
GstElement *rtpendpoint = gst_element_factory_make ("rtpendpoint", NULL);
GstSDPMessage *offer = NULL, *answer = NULL;
gchar *aux = NULL;
static const gchar *offer_str = "v=0\r\n"
"o=- 1783800438437245920 2 IN IP4 127.0.0.1\r\n"
"s=-\r\n"
"t=0 0\r\n"
"a=group:BUNDLE audio video\r\n"
"a=msid-semantic: WMS MediaStream0\r\n"
"m=audio 37426 RTP/SAVPF 111 103 9 102 0 8 106 105 13 127 126\r\n"
"c=IN IP4 5.5.5.5\r\n"
"a=rtcp:37426 IN IP4 5.5.5.5\r\n"
"a=candidate:1840965416 1 udp 2113937151 192.168.0.100 37426 typ host generation 0\r\n"
"a=candidate:1840965416 2 udp 2113937151 192.168.0.100 37426 typ host generation 0\r\n"
"a=candidate:590945240 1 tcp 1509957375 192.168.0.100 46029 typ host generation 0\r\n"
"a=candidate:590945240 2 tcp 1509957375 192.168.0.100 46029 typ host generation 0\r\n"
"a=candidate:3975340444 1 udp 1677729535 5.5.5.5 37426 typ srflx raddr 192.168.0.100 rport 37426 generation 0\r\n"
"a=candidate:3975340444 2 udp 1677729535 5.5.5.5 37426 typ srflx raddr 192.168.0.100 rport 37426 generation 0\r\n"
"a=ice-ufrag:RkI7xTFiQgGZu1ww\r\n"
"a=ice-pwd:6ZTKNoP2vXWYLweywju9Bydv\r\n"
"a=ice-options:google-ice\r\n"
"a=mid:audio\r\n"
"a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level\r\n"
"a=sendrecv\r\n"
"a=rtcp-mux\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:vpy+PnhF0bWmwYlAngWT1cc9qppYCvRlwT4aKrYh\r\n"
"a=rtpmap:111 opus/48000/1\r\n"
"a=fmtp:111 minptime=10\r\n"
"a=rtpmap:103 ISAC/16000\r\n"
"a=rtpmap:9 G722/16000\r\n"
"a=rtpmap:102 ILBC/8000\r\n"
"a=rtpmap:0 PCMU/8000\r\n"
"a=rtpmap:8 PCMA/8000\r\n"
"a=rtpmap:106 CN/32000\r\n"
"a=rtpmap:105 CN/16000\r\n"
"a=rtpmap:13 CN/8000\r\n"
"a=rtpmap:127 red/8000\r\n"
"a=rtpmap:126 telephone-event/8000\r\n"
"a=maxptime:60\r\n"
"a=ssrc:4210654932 cname:/9kskFtadoxn1x70\r\n"
"a=ssrc:4210654932 msid:MediaStream0 AudioTrack0\r\n"
"a=ssrc:4210654932 mslabel:MediaStream0\r\n"
"a=ssrc:4210654932 label:AudioTrack0\r\n"
"m=video 37426 RTP/SAVPF 100 116 117\r\n"
"c=IN IP4 5.5.5.5\r\n"
"a=rtcp:37426 IN IP4 5.5.5.5\r\n"
"a=candidate:1840965416 1 udp 2113937151 192.168.0.100 37426 typ host generation 0\r\n"
"a=candidate:1840965416 2 udp 2113937151 192.168.0.100 37426 typ host generation 0\r\n"
"a=candidate:590945240 1 tcp 1509957375 192.168.0.100 46029 typ host generation 0\r\n"
"a=candidate:590945240 2 tcp 1509957375 192.168.0.100 46029 typ host generation 0\r\n"
"a=candidate:3975340444 1 udp 1677729535 5.5.5.5 37426 typ srflx raddr 192.168.0.100 rport 37426 generation 0\r\n"
"a=candidate:3975340444 2 udp 1677729535 5.5.5.5 37426 typ srflx raddr 192.168.0.100 rport 37426 generation 0\r\n"
"a=ice-ufrag:RkI7xTFiQgGZu1ww\r\n"
"a=ice-pwd:6ZTKNoP2vXWYLweywju9Bydv\r\n"
"a=ice-options:google-ice\r\n"
"a=mid:video\r\n"
"a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\r\n"
"a=extmap:3 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time\r\n"
"a=sendrecv\r\n"
"a=rtcp-mux\r\n"
"a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:vpy+PnhF0bWmwYlAngWT1cc9qppYCvRlwT4aKrYh\r\n"
"a=rtpmap:100 VP8/90000\r\n"
"a=rtcp-fb:100 ccm fir\r\n"
"a=rtcp-fb:100 nack\r\n"
"a=rtcp-fb:100 nack pli\r\n"
"a=rtcp-fb:100 goog-remb\r\n"
"a=rtpmap:116 red/90000\r\n"
"a=rtpmap:117 ulpfec/90000\r\n"
"a=ssrc:1686396354 cname:/9kskFtadoxn1x70\r\n"
"a=ssrc:1686396354 msid:MediaStream0 VideoTrack0\r\n"
"a=ssrc:1686396354 mslabel:MediaStream0\r\n"
"a=ssrc:1686396354 label:VideoTrack0\r\n";
fail_unless (gst_sdp_message_new (&pattern_sdp) == GST_SDP_OK);
fail_unless (gst_sdp_message_parse_buffer ((const guint8 *)
pattern_offer_sdp_str, -1, pattern_sdp) == GST_SDP_OK);
g_object_set (rtpendpoint, "pattern-sdp", pattern_sdp, NULL);
fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);
g_object_get (rtpendpoint, "pattern-sdp", &pattern_sdp, NULL);
fail_unless (pattern_sdp != NULL);
fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);
fail_unless (gst_sdp_message_new (&offer) == GST_SDP_OK);
fail_unless (gst_sdp_message_parse_buffer ((const guint8 *)
offer_str, -1, offer) == GST_SDP_OK);
GST_DEBUG ("Offer:\n%s", (aux = gst_sdp_message_as_text (offer)));
g_free (aux);
aux = NULL;
g_signal_emit_by_name (rtpendpoint, "process-offer", offer, &answer);
fail_unless (answer != NULL);
GST_DEBUG ("Answer:\n%s", (aux = gst_sdp_message_as_text (answer)));
g_free (aux);
aux = NULL;
gst_sdp_message_free (offer);
gst_sdp_message_free (answer);
g_object_unref (rtpendpoint);
}
GST_END_TEST
GST_START_TEST (negotiation_offerer)
{
GstSDPMessage *pattern_sdp;
GstElement *offerer = gst_element_factory_make ("rtpendpoint", NULL);
GstElement *answerer = gst_element_factory_make ("rtpendpoint", NULL);
GstSDPMessage *offer = NULL, *answer = NULL;
GstSDPMessage *local_offer = NULL, *local_answer = NULL, *remote_offer =
NULL, *remote_answer = NULL;
gchar *local_offer_str, *local_answer_str, *remote_offer_str,
*remote_answer_str;
gchar *aux = NULL;
fail_unless (gst_sdp_message_new (&pattern_sdp) == GST_SDP_OK);
fail_unless (gst_sdp_message_parse_buffer ((const guint8 *)
pattern_offer_sdp_str, -1, pattern_sdp) == GST_SDP_OK);
g_object_set (offerer, "pattern-sdp", pattern_sdp, NULL);
fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);
g_object_get (offerer, "pattern-sdp", &pattern_sdp, NULL);
fail_unless (pattern_sdp != NULL);
fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);
fail_unless (gst_sdp_message_new (&pattern_sdp) == GST_SDP_OK);
fail_unless (gst_sdp_message_parse_buffer ((const guint8 *)
pattern_answer_sdp_str, -1, pattern_sdp) == GST_SDP_OK);
g_object_set (answerer, "pattern-sdp", pattern_sdp, NULL);
fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);
g_signal_emit_by_name (offerer, "generate-offer", &offer);
fail_unless (offer != NULL);
GST_DEBUG ("Offer:\n%s", (aux = gst_sdp_message_as_text (offer)));
g_free (aux);
aux = NULL;
g_signal_emit_by_name (answerer, "process-offer", offer, &answer);
fail_unless (answer != NULL);
GST_DEBUG ("Answer:\n%s", (aux = gst_sdp_message_as_text (answer)));
g_free (aux);
aux = NULL;
g_signal_emit_by_name (offerer, "process-answer", answer);
gst_sdp_message_free (offer);
gst_sdp_message_free (answer);
g_object_get (offerer, "local-offer-sdp", &local_offer, NULL);
g_object_get (offerer, "remote-answer-sdp", &remote_answer, NULL);
g_object_get (answerer, "remote-offer-sdp", &remote_offer, NULL);
g_object_get (answerer, "local-answer-sdp", &local_answer, NULL);
fail_unless (local_offer != NULL);
fail_unless (remote_answer != NULL);
fail_unless (remote_offer != NULL);
fail_unless (local_answer != NULL);
local_offer_str = gst_sdp_message_as_text (local_offer);
remote_answer_str = gst_sdp_message_as_text (remote_answer);
remote_offer_str = gst_sdp_message_as_text (remote_offer);
local_answer_str = gst_sdp_message_as_text (local_answer);
GST_DEBUG ("Local offer\n%s", local_offer_str);
GST_DEBUG ("Remote answer\n%s", remote_answer_str);
GST_DEBUG ("Remote offer\n%s", remote_offer_str);
GST_DEBUG ("Local answer\n%s", local_answer_str);
fail_unless (g_strcmp0 (local_offer_str, remote_offer_str) == 0);
fail_unless (g_strcmp0 (remote_answer_str, local_answer_str) == 0);
g_free (local_offer_str);
g_free (remote_answer_str);
g_free (local_answer_str);
g_free (remote_offer_str);
gst_sdp_message_free (local_offer);
gst_sdp_message_free (remote_answer);
gst_sdp_message_free (remote_offer);
gst_sdp_message_free (local_answer);
g_object_unref (offerer);
g_object_unref (answerer);
}
static GstRTSPStatusCode
nmp_rtsp_handle_response(NmpMediaDevice *device, GstRTSPMessage *response)
{
GstRTSPStatusCode res_code;
GstRTSPVersion version;
const gchar *reason = NULL;
gchar *sessid = NULL, *cseq = NULL, *content_base = NULL;
GstRTSPResult ret;
NmpRtspMedia *media = NULL;
NmpSessionState s_state;
GstSDPMessage *sdp = NULL;
guint8 *sdp_body = NULL;
guint sdp_size, seq;
gst_rtsp_message_parse_response(response, &res_code, &reason, &version);
if (version != GST_RTSP_VERSION_1_0)
{
nmp_warning("Device RTSP response version mismatch");
return GST_RTSP_STS_RTSP_VERSION_NOT_SUPPORTED;
}
ret = gst_rtsp_message_get_header(response, GST_RTSP_HDR_CSEQ, &cseq, 0);
if (ret != GST_RTSP_OK)
{
nmp_warning("Device RTSP response, No 'CSeq:' field");
return GST_RTSP_STS_INVALID;
}
seq = atoi(cseq);
if (!seq)
return GST_RTSP_OK;
media = nmp_rtsp_device_get_media(device, seq);
if (!media)
{
//TEARDOWN或者SET_PARAMETER响应
nmp_print(
"Drop device response(TEARDOWN|SET_PARAMETER), seq:'%s'.", cseq
);
return GST_RTSP_OK;
}
s_state = nmp_rtsp_media_get_session_state(media);
if (s_state == NMP_SESSION_TEARDOWN)
{
nmp_print(
"Response _After_ TEARDOWN ?? seq:'%s'", cseq
);
goto handle_teardown_ok;
}
if (res_code != GST_RTSP_STS_OK)
{
nmp_warning("Device RTSP res-code: %d", res_code);
goto handle_response_failed;
}
ret = gst_rtsp_message_get_header(response, GST_RTSP_HDR_SESSION, &sessid, 0);
if (ret != GST_RTSP_OK)
{
//只有DESCRIBE消息没有SESSION域
if (s_state != NMP_SESSION_DESCRIBE)
{
nmp_warning("Device RTSP response, No 'Session:' field");
goto handle_response_failed;
}
ret = gst_rtsp_message_get_header(response, GST_RTSP_HDR_CONTENT_BASE,
&content_base, 0);
if (ret != GST_RTSP_OK)
{
nmp_warning("Device RTSP response, No 'Content-Base:' field");
goto handle_response_failed;
}
//处理DESCRIBE消息
if (gst_sdp_message_new(&sdp) != GST_SDP_OK)
{
nmp_warning("Create SDP message failed");
goto handle_response_failed;
}
gst_rtsp_message_get_body(response, &sdp_body, &sdp_size);
if (gst_sdp_message_parse_buffer(sdp_body, sdp_size, sdp) != GST_SDP_OK)
{
nmp_warning("Device DESCRIBE response, invalid SDP info");
gst_sdp_message_free(sdp);
goto handle_response_failed;
}
nmp_rtsp_media_set_sdp_info(media, sdp);
}
else
{
if (s_state == NMP_SESSION_SETUP)
nmp_rtsp_media_set_session_id(media, sessid);
}
if (nmp_rtsp_media_session_state_next(media) == NMP_SESSION_PLAY)
nmp_rtsp_media_deal_pending_request(media);
if (nmp_rtsp_device_request(device, media))
{
nmp_warning("Device RTSP Request failed");
goto handle_response_failed;
}
handle_teardown_ok:
nmp_rtsp_media_unref(media);
return GST_RTSP_OK;
handle_response_failed:
nmp_rtsp_media_die_announce(media, device);
// nmp_rtsp_media_deal_pending_request(media); /* nmp_rtsp_media_kill_unref() can do this */
nmp_rtsp_device_remove_media(device, media);
nmp_rtsp_media_kill_unref(media);
return GST_RTSP_OK;
}
static void
test_video_sendonly (const gchar * video_enc_name, GstStaticCaps expected_caps,
const gchar * pattern_sdp_sendonly_str,
const gchar * pattern_sdp_recvonly_str, gboolean play_after_negotiation)
{
HandOffData *hod;
GMainLoop *loop = g_main_loop_new (NULL, TRUE);
GstSDPMessage *pattern_sdp, *offer, *answer;
GstElement *pipeline = gst_pipeline_new (NULL);
GstElement *videotestsrc = gst_element_factory_make ("videotestsrc", NULL);
GstElement *video_enc = gst_element_factory_make (video_enc_name, NULL);
GstElement *rtpendpointsender =
gst_element_factory_make ("rtpendpoint", NULL);
GstElement *rtpendpointreceiver =
gst_element_factory_make ("rtpendpoint", NULL);
GstElement *outputfakesink = gst_element_factory_make ("fakesink", NULL);
GstBus *bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
gst_bus_add_watch (bus, gst_bus_async_signal_func, NULL);
g_signal_connect (bus, "message", G_CALLBACK (bus_msg), pipeline);
g_object_unref (bus);
fail_unless (gst_sdp_message_new (&pattern_sdp) == GST_SDP_OK);
fail_unless (gst_sdp_message_parse_buffer ((const guint8 *)
pattern_sdp_sendonly_str, -1, pattern_sdp) == GST_SDP_OK);
g_object_set (rtpendpointsender, "pattern-sdp", pattern_sdp, NULL);
fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);
fail_unless (gst_sdp_message_new (&pattern_sdp) == GST_SDP_OK);
fail_unless (gst_sdp_message_parse_buffer ((const guint8 *)
pattern_sdp_recvonly_str, -1, pattern_sdp) == GST_SDP_OK);
g_object_set (rtpendpointreceiver, "pattern-sdp", pattern_sdp, NULL);
fail_unless (gst_sdp_message_free (pattern_sdp) == GST_SDP_OK);
hod = g_slice_new (HandOffData);
hod->expected_caps = expected_caps;
hod->loop = loop;
g_object_set (G_OBJECT (outputfakesink), "signal-handoffs", TRUE, NULL);
g_signal_connect (G_OBJECT (outputfakesink), "handoff",
G_CALLBACK (fakesink_hand_off), hod);
/* Add elements */
gst_bin_add_many (GST_BIN (pipeline), videotestsrc, video_enc,
rtpendpointsender, NULL);
gst_element_link (videotestsrc, video_enc);
gst_element_link_pads (video_enc, NULL, rtpendpointsender, "video_sink");
gst_bin_add_many (GST_BIN (pipeline), rtpendpointreceiver, outputfakesink,
NULL);
kms_element_link_pads (rtpendpointreceiver, "video_src_%u", outputfakesink,
"sink");
if (!play_after_negotiation)
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* SDP negotiation */
mark_point ();
g_signal_emit_by_name (rtpendpointsender, "generate-offer", &offer);
fail_unless (offer != NULL);
mark_point ();
g_signal_emit_by_name (rtpendpointreceiver, "process-offer", offer, &answer);
fail_unless (answer != NULL);
mark_point ();
g_signal_emit_by_name (rtpendpointsender, "process-answer", answer);
gst_sdp_message_free (offer);
gst_sdp_message_free (answer);
if (play_after_negotiation)
gst_element_set_state (pipeline, GST_STATE_PLAYING);
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "test_sendonly_before_entering_loop");
mark_point ();
g_main_loop_run (loop);
mark_point ();
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS (GST_BIN (pipeline),
GST_DEBUG_GRAPH_SHOW_ALL, "test_sendonly_end");
gst_element_set_state (pipeline, GST_STATE_NULL);
g_object_unref (pipeline);
g_slice_free (HandOffData, hod);
g_main_loop_unref (loop);
}
GST_END_TEST
GST_START_TEST (negotiation_offerer)
{
GArray *audio_codecs_array, *video_codecs_array;
gchar *audio_codecs[] = { "OPUS/48000/1", "AMR/8000/1", NULL };
gchar *video_codecs[] = { "H263-1998/90000", "VP8/90000", NULL };
gchar *offerer_sess_id, *answerer_sess_id;
GstElement *offerer = gst_element_factory_make ("rtpendpoint", NULL);
GstElement *answerer = gst_element_factory_make ("rtpendpoint", NULL);
GstSDPMessage *offer = NULL, *answer = NULL;
GstSDPMessage *offerer_local_sdp = NULL, *offerer_remote_sdp = NULL;
gchar *offerer_local_sdp_str, *offerer_remote_sdp_str;
GstSDPMessage *answerer_local_sdp = NULL, *answerer_remote_sdp = NULL;
gchar *answerer_local_sdp_str, *answerer_remote_sdp_str;
gchar *sdp_str = NULL;
const GstSDPConnection *connection;
gboolean answer_ok;
audio_codecs_array = create_codecs_array (audio_codecs);
video_codecs_array = create_codecs_array (video_codecs);
g_object_set (offerer, "num-audio-medias", 1, "audio-codecs",
g_array_ref (audio_codecs_array), "num-video-medias", 1, "video-codecs",
g_array_ref (video_codecs_array), NULL);
g_object_set (answerer, "num-audio-medias", 1, "audio-codecs",
g_array_ref (audio_codecs_array), "num-video-medias", 1, "video-codecs",
g_array_ref (video_codecs_array), NULL);
g_array_unref (audio_codecs_array);
g_array_unref (video_codecs_array);
/* Session creation */
g_signal_emit_by_name (offerer, "create-session", &offerer_sess_id);
GST_DEBUG_OBJECT (offerer, "Created session with id '%s'", offerer_sess_id);
g_signal_emit_by_name (answerer, "create-session", &answerer_sess_id);
GST_DEBUG_OBJECT (answerer, "Created session with id '%s'", answerer_sess_id);
/* SDP negotiation */
g_signal_emit_by_name (offerer, "generate-offer", offerer_sess_id, &offer);
fail_unless (offer != NULL);
GST_DEBUG ("Offer:\n%s", (sdp_str = gst_sdp_message_as_text (offer)));
g_free (sdp_str);
sdp_str = NULL;
connection = gst_sdp_message_get_connection (offer);
fail_unless (g_strcmp0 (connection->address, "0.0.0.0"));
fail_unless (g_strcmp0 (connection->address, "::"));
g_signal_emit_by_name (answerer, "process-offer", answerer_sess_id, offer,
&answer);
fail_unless (answer != NULL);
GST_DEBUG ("Answer:\n%s", (sdp_str = gst_sdp_message_as_text (answer)));
g_free (sdp_str);
sdp_str = NULL;
g_signal_emit_by_name (offerer, "process-answer", offerer_sess_id, answer,
&answer_ok);
fail_unless (answer_ok);
gst_sdp_message_free (offer);
gst_sdp_message_free (answer);
g_signal_emit_by_name (offerer, "get-local-sdp", offerer_sess_id,
&offerer_local_sdp);
fail_unless (offerer_local_sdp != NULL);
g_signal_emit_by_name (offerer, "get-remote-sdp", offerer_sess_id,
&offerer_remote_sdp);
fail_unless (offerer_remote_sdp != NULL);
g_signal_emit_by_name (answerer, "get-local-sdp", answerer_sess_id,
&answerer_local_sdp);
fail_unless (answerer_local_sdp != NULL);
g_signal_emit_by_name (answerer, "get-remote-sdp", answerer_sess_id,
&answerer_remote_sdp);
fail_unless (answerer_remote_sdp != NULL);
offerer_local_sdp_str = gst_sdp_message_as_text (offerer_local_sdp);
offerer_remote_sdp_str = gst_sdp_message_as_text (offerer_remote_sdp);
answerer_local_sdp_str = gst_sdp_message_as_text (answerer_local_sdp);
answerer_remote_sdp_str = gst_sdp_message_as_text (answerer_remote_sdp);
GST_DEBUG ("Offerer local SDP\n%s", offerer_local_sdp_str);
GST_DEBUG ("Offerer remote SDPr\n%s", offerer_remote_sdp_str);
GST_DEBUG ("Answerer local SDP\n%s", answerer_local_sdp_str);
GST_DEBUG ("Answerer remote SDP\n%s", answerer_remote_sdp_str);
fail_unless (g_strcmp0 (offerer_local_sdp_str, answerer_remote_sdp_str) == 0);
fail_unless (g_strcmp0 (offerer_remote_sdp_str, answerer_local_sdp_str) == 0);
g_free (offerer_local_sdp_str);
g_free (offerer_remote_sdp_str);
g_free (answerer_local_sdp_str);
g_free (answerer_remote_sdp_str);
gst_sdp_message_free (offerer_local_sdp);
gst_sdp_message_free (offerer_remote_sdp);
gst_sdp_message_free (answerer_local_sdp);
gst_sdp_message_free (answerer_remote_sdp);
g_object_unref (offerer);
g_object_unref (answerer);
g_free (offerer_sess_id);
g_free (answerer_sess_id);
}
