--- /dev/null
+#include <glib.h>
+#include <glib-unix.h>
+#include <gst/gst.h>
+#include <gst/sdp/sdp.h>
+
+#define GST_USE_UNSTABLE_API
+#include <gst/webrtc/webrtc.h>
+
+#include <libsoup/soup.h>
+#include <json-glib/json-glib.h>
+#include <string.h>
+
+
+
+#define RTP_PAYLOAD_TYPE "96"
+#define SOUP_HTTP_PORT 57778
+
+
+
+typedef struct _ReceiverEntry ReceiverEntry;
+
+ReceiverEntry *create_receiver_entry (SoupWebsocketConnection * connection);
+void destroy_receiver_entry (gpointer receiver_entry_ptr);
+
+GstPadProbeReturn payloader_caps_event_probe_cb (GstPad * pad,
+ GstPadProbeInfo * info, gpointer user_data);
+
+void on_offer_created_cb (GstPromise * promise, gpointer user_data);
+void on_negotiation_needed_cb (GstElement * webrtcbin, gpointer user_data);
+void on_ice_candidate_cb (GstElement * webrtcbin, guint mline_index,
+ gchar * candidate, gpointer user_data);
+
+void soup_websocket_message_cb (SoupWebsocketConnection * connection,
+ SoupWebsocketDataType data_type, GBytes * message, gpointer user_data);
+void soup_websocket_closed_cb (SoupWebsocketConnection * connection,
+ gpointer user_data);
+
+void soup_http_handler (SoupServer * soup_server, SoupMessage * message,
+ const char *path, GHashTable * query, SoupClientContext * client_context,
+ gpointer user_data);
+void soup_websocket_handler (G_GNUC_UNUSED SoupServer * server,
+ SoupWebsocketConnection * connection, const char *path,
+ SoupClientContext * client_context, gpointer user_data);
+
+static gchar *get_string_from_json_object (JsonObject * object);
+
+gboolean exit_sighandler (gpointer user_data);
+
+
+
+
+struct _ReceiverEntry
+{
+ SoupWebsocketConnection *connection;
+
+ GstElement *pipeline;
+ GstElement *webrtcbin;
+ GstElement *payloader;
+
+ GCond profile_level_id_cond;
+ GMutex profile_level_id_mutex;
+ gchar *profile_level_id;
+
+ gboolean shutting_down;
+};
+
+
+
+const gchar *html_source = " \n \
+<html> \n \
+ <head> \n \
+ <script type=\"text/javascript\" src=\"https://webrtc.github.io/adapter/adapter-latest.js\"></script> \n \
+ <script type=\"text/javascript\"> \n \
+ var html5VideoElement; \n \
+ var websocketConnection; \n \
+ var webrtcPeerConnection; \n \
+ var webrtcConfiguration; \n \
+ var reportError; \n \
+ \n \
+ \n \
+ function onLocalDescription(desc) { \n \
+ console.log(\"Local description: \" + JSON.stringify(desc)); \n \
+ webrtcPeerConnection.setLocalDescription(desc).then(function() { \n \
+ websocketConnection.send(JSON.stringify({ type: \"sdp\", \"data\": webrtcPeerConnection.localDescription })); \n \
+ }).catch(reportError); \n \
+ } \n \
+ \n \
+ \n \
+ function onIncomingSDP(sdp) { \n \
+ console.log(\"Incoming SDP: \" + JSON.stringify(sdp)); \n \
+ webrtcPeerConnection.setRemoteDescription(sdp).catch(reportError); \n \
+ webrtcPeerConnection.createAnswer().then(onLocalDescription).catch(reportError); \n \
+ } \n \
+ \n \
+ \n \
+ function onIncomingICE(ice) { \n \
+ var candidate = new RTCIceCandidate(ice); \n \
+ console.log(\"Incoming ICE: \" + JSON.stringify(ice)); \n \
+ webrtcPeerConnection.addIceCandidate(candidate).catch(reportError); \n \
+ } \n \
+ \n \
+ \n \
+ function onAddRemoteStream(event) { \n \
+ html5VideoElement.srcObject = event.streams[0]; \n \
+ } \n \
+ \n \
+ \n \
+ function onIceCandidate(event) { \n \
+ if (event.candidate == null) \n \
+ return; \n \
+ \n \
+ console.log(\"Sending ICE candidate out: \" + JSON.stringify(event.candidate)); \n \
+ websocketConnection.send(JSON.stringify({ \"type\": \"ice\", \"data\": event.candidate })); \n \
+ } \n \
+ \n \
+ \n \
+ function onServerMessage(event) { \n \
+ var msg; \n \
+ \n \
+ try { \n \
+ msg = JSON.parse(event.data); \n \
+ } catch (e) { \n \
+ return; \n \
+ } \n \
+ \n \
+ if (!webrtcPeerConnection) { \n \
+ webrtcPeerConnection = new RTCPeerConnection(webrtcConfiguration); \n \
+ webrtcPeerConnection.ontrack = onAddRemoteStream; \n \
+ webrtcPeerConnection.onicecandidate = onIceCandidate; \n \
+ } \n \
+ \n \
+ switch (msg.type) { \n \
+ case \"sdp\": onIncomingSDP(msg.data); break; \n \
+ case \"ice\": onIncomingICE(msg.data); break; \n \
+ default: break; \n \
+ } \n \
+ } \n \
+ \n \
+ \n \
+ function playStream(videoElement, hostname, port, path, configuration, reportErrorCB) { \n \
+ var wsHost = (hostname != undefined) ? hostname : window.location.hostname; \n \
+ var wsPort = (port != undefined) ? port : 57778; \n \
+ var wsPath = (path != undefined) ? path : \"ws\"; \n \
+ var wsUrl = \"ws://\" + wsHost + \":\" + wsPort + \"/\" + wsPath; \n \
+ \n \
+ html5VideoElement = videoElement; \n \
+ webrtcConfiguration = configuration; \n \
+ reportError = (reportErrorCB != undefined) ? reportErrorCB : function(text) {}; \n \
+ \n \
+ websocketConnection = new WebSocket(wsUrl); \n \
+ websocketConnection.addEventListener(\"message\", onServerMessage); \n \
+ } \n \
+ \n \
+ window.onload = function() { \n \
+ var vidstream = document.getElementById(\"stream\"); \n \
+ playStream(vidstream, null, null, null, null, function (errmsg) { console.error(errmsg); }); \n \
+ }; \n \
+ \n \
+ </script> \n \
+ </head> \n \
+ \n \
+ <body> \n \
+ <div> \n \
+ <video id=\"stream\" autoplay>Your browser does not support video</video> \n \
+ </div> \n \
+ </body> \n \
+</html> \n \
+";
+
+
+
+
+ReceiverEntry *
+create_receiver_entry (SoupWebsocketConnection * connection)
+{
+ GError *error;
+ ReceiverEntry *receiver_entry;
+ GstPad *payloader_srcpad;
+
+ receiver_entry = g_slice_alloc0 (sizeof (ReceiverEntry));
+ receiver_entry->connection = connection;
+
+ g_cond_init (&receiver_entry->profile_level_id_cond);
+ g_mutex_init (&receiver_entry->profile_level_id_mutex);
+
+ g_object_ref (G_OBJECT (connection));
+
+ g_signal_connect (G_OBJECT (connection), "message",
+ G_CALLBACK (soup_websocket_message_cb), (gpointer) receiver_entry);
+
+ error = NULL;
+ receiver_entry->pipeline = gst_parse_launch ("webrtcbin name=webrtcbin "
+ "rpicamsrc bitrate=300000 annotation-mode=12 ! video/x-h264,profile=baseline,width=640,height=480 ! queue max-size-time=100000000 ! h264parse ! "
+ "rtph264pay config-interval=-1 name=payloader ! "
+ "application/x-rtp,media=video,encoding-name=H264,payload="
+ RTP_PAYLOAD_TYPE " ! webrtcbin. ", &error);
+ if (error != NULL) {
+ g_error ("Could not create WebRTC pipeline: %s\n", error->message);
+ g_error_free (error);
+ goto cleanup;
+ }
+
+ receiver_entry->webrtcbin =
+ gst_bin_get_by_name (GST_BIN (receiver_entry->pipeline), "webrtcbin");
+ receiver_entry->payloader =
+ gst_bin_get_by_name (GST_BIN (receiver_entry->pipeline), "payloader");
+ g_assert (receiver_entry->webrtcbin != NULL);
+ g_assert (receiver_entry->payloader != NULL);
+
+ payloader_srcpad =
+ gst_element_get_static_pad (receiver_entry->payloader, "src");
+ gst_pad_add_probe (payloader_srcpad, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
+ payloader_caps_event_probe_cb, (gpointer) receiver_entry, NULL);
+ gst_object_unref (GST_OBJECT (payloader_srcpad));
+
+ g_signal_connect (receiver_entry->webrtcbin, "on-negotiation-needed",
+ G_CALLBACK (on_negotiation_needed_cb), (gpointer) receiver_entry);
+
+ g_signal_connect (receiver_entry->webrtcbin, "on-ice-candidate",
+ G_CALLBACK (on_ice_candidate_cb), (gpointer) receiver_entry);
+
+ gst_element_set_state (receiver_entry->pipeline, GST_STATE_PLAYING);
+
+ return receiver_entry;
+
+cleanup:
+ destroy_receiver_entry ((gpointer) receiver_entry);
+ return NULL;
+}
+
+void
+destroy_receiver_entry (gpointer receiver_entry_ptr)
+{
+ ReceiverEntry *receiver_entry = (ReceiverEntry *) receiver_entry_ptr;
+
+ g_assert (receiver_entry != NULL);
+
+ g_mutex_lock (&receiver_entry->profile_level_id_mutex);
+ receiver_entry->shutting_down = TRUE;
+ g_cond_signal (&receiver_entry->profile_level_id_cond);
+ g_mutex_unlock (&receiver_entry->profile_level_id_mutex);
+
+ if (receiver_entry->pipeline != NULL) {
+ gst_element_set_state (GST_ELEMENT (receiver_entry->pipeline),
+ GST_STATE_NULL);
+
+ gst_object_unref (GST_OBJECT (receiver_entry->webrtcbin));
+ gst_object_unref (GST_OBJECT (receiver_entry->payloader));
+ gst_object_unref (GST_OBJECT (receiver_entry->pipeline));
+ }
+
+ g_cond_clear (&receiver_entry->profile_level_id_cond);
+ g_mutex_clear (&receiver_entry->profile_level_id_mutex);
+ g_free (receiver_entry->profile_level_id);
+
+ if (receiver_entry->connection != NULL)
+ g_object_unref (G_OBJECT (receiver_entry->connection));
+
+ g_slice_free1 (sizeof (ReceiverEntry), receiver_entry);
+}
+
+
+GstPadProbeReturn
+payloader_caps_event_probe_cb (G_GNUC_UNUSED GstPad * pad,
+ GstPadProbeInfo * info, gpointer user_data)
+{
+ ReceiverEntry *receiver_entry = (ReceiverEntry *) user_data;
+ GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
+
+ if (GST_EVENT_TYPE (event) == GST_EVENT_CAPS) {
+ gchar const *profile_level_id;
+ GstStructure *s;
+ GstCaps *caps;
+
+ caps = NULL;
+ gst_event_parse_caps (event, &caps);
+
+ s = gst_caps_get_structure (caps, 0);
+ profile_level_id = gst_structure_get_string (s, "profile-level-id");
+ g_assert (profile_level_id != NULL);
+
+ g_mutex_lock (&receiver_entry->profile_level_id_mutex);
+
+ g_free (receiver_entry->profile_level_id);
+ receiver_entry->profile_level_id = g_strdup (profile_level_id);
+
+ g_cond_signal (&receiver_entry->profile_level_id_cond);
+
+ g_mutex_unlock (&receiver_entry->profile_level_id_mutex);
+ }
+
+ return GST_PAD_PROBE_OK;
+}
+
+
+void
+on_offer_created_cb (GstPromise * promise, gpointer user_data)
+{
+ gchar *fmtp_value;
+ gchar *sdp_string;
+ gchar *json_string;
+ JsonObject *sdp_json;
+ JsonObject *sdp_data_json;
+ GstSDPMedia *sdp_media;
+ GstStructure const *reply;
+ GstPromise *local_desc_promise;
+ GstWebRTCSessionDescription *offer = NULL;
+ ReceiverEntry *receiver_entry = (ReceiverEntry *) user_data;
+
+ reply = gst_promise_get_reply (promise);
+ gst_structure_get (reply, "offer", GST_TYPE_WEBRTC_SESSION_DESCRIPTION,
+ &offer, NULL);
+ gst_promise_unref (promise);
+
+ fmtp_value = g_strdup_printf (RTP_PAYLOAD_TYPE " profile-level-id=%s",
+ receiver_entry->profile_level_id);
+ sdp_media =
+ (GstSDPMedia *) & g_array_index (offer->sdp->medias, GstSDPMedia, 0);
+ gst_sdp_media_add_attribute (sdp_media, "fmtp", fmtp_value);
+ g_free (fmtp_value);
+
+ local_desc_promise = gst_promise_new ();
+ g_signal_emit_by_name (receiver_entry->webrtcbin, "set-local-description",
+ offer, local_desc_promise);
+ gst_promise_interrupt (local_desc_promise);
+ gst_promise_unref (local_desc_promise);
+
+ sdp_string = gst_sdp_message_as_text (offer->sdp);
+ g_print ("Negotiation offer created:\n%s\n", sdp_string);
+
+ sdp_json = json_object_new ();
+ json_object_set_string_member (sdp_json, "type", "sdp");
+
+ sdp_data_json = json_object_new ();
+ json_object_set_string_member (sdp_data_json, "type", "offer");
+ json_object_set_string_member (sdp_data_json, "sdp", sdp_string);
+ json_object_set_object_member (sdp_json, "data", sdp_data_json);
+
+ json_string = get_string_from_json_object (sdp_json);
+ json_object_unref (sdp_json);
+
+ soup_websocket_connection_send_text (receiver_entry->connection, json_string);
+ g_free (json_string);
+
+ gst_webrtc_session_description_free (offer);
+}
+
+
+void
+on_negotiation_needed_cb (GstElement * webrtcbin, gpointer user_data)
+{
+ gboolean exit_early;
+ GstPromise *promise;
+ ReceiverEntry *receiver_entry = (ReceiverEntry *) user_data;
+
+ g_mutex_lock (&receiver_entry->profile_level_id_mutex);
+
+ while ((receiver_entry->profile_level_id == NULL)
+ && !receiver_entry->shutting_down)
+ g_cond_wait (&receiver_entry->profile_level_id_cond,
+ &receiver_entry->profile_level_id_mutex);
+
+ exit_early = receiver_entry->shutting_down;
+
+ g_mutex_unlock (&receiver_entry->profile_level_id_mutex);
+
+ if (exit_early)
+ return;
+
+ g_print ("Creating negotiation offer\n");
+
+ promise = gst_promise_new_with_change_func (on_offer_created_cb,
+ (gpointer) receiver_entry, NULL);
+ g_signal_emit_by_name (G_OBJECT (webrtcbin), "create-offer", NULL, promise);
+}
+
+
+void
+on_ice_candidate_cb (G_GNUC_UNUSED GstElement * webrtcbin, guint mline_index,
+ gchar * candidate, gpointer user_data)
+{
+ JsonObject *ice_json;
+ JsonObject *ice_data_json;
+ gchar *json_string;
+ ReceiverEntry *receiver_entry = (ReceiverEntry *) user_data;
+
+ ice_json = json_object_new ();
+ json_object_set_string_member (ice_json, "type", "ice");
+
+ ice_data_json = json_object_new ();
+ json_object_set_int_member (ice_data_json, "sdpMLineIndex", mline_index);
+ json_object_set_string_member (ice_data_json, "candidate", candidate);
+ json_object_set_object_member (ice_json, "data", ice_data_json);
+
+ json_string = get_string_from_json_object (ice_json);
+ json_object_unref (ice_json);
+
+ soup_websocket_connection_send_text (receiver_entry->connection, json_string);
+ g_free (json_string);
+}
+
+
+void
+soup_websocket_message_cb (G_GNUC_UNUSED SoupWebsocketConnection * connection,
+ SoupWebsocketDataType data_type, GBytes * message, gpointer user_data)
+{
+ gsize size;
+ gchar *data;
+ gchar *data_string;
+ const gchar *type_string;
+ JsonNode *root_json;
+ JsonObject *root_json_object;
+ JsonObject *data_json_object;
+ JsonParser *json_parser = NULL;
+ ReceiverEntry *receiver_entry = (ReceiverEntry *) user_data;
+
+ switch (data_type) {
+ case SOUP_WEBSOCKET_DATA_BINARY:
+ g_error ("Received unknown binary message, ignoring\n");
+ g_bytes_unref (message);
+ return;
+
+ case SOUP_WEBSOCKET_DATA_TEXT:
+ data = g_bytes_unref_to_data (message, &size);
+ /* Convert to NULL-terminated string */
+ data_string = g_strndup (data, size);
+ g_free (data);
+ break;
+
+ default:
+ g_assert_not_reached ();
+ }
+
+ json_parser = json_parser_new ();
+ if (!json_parser_load_from_data (json_parser, data_string, -1, NULL))
+ goto unknown_message;
+
+ root_json = json_parser_get_root (json_parser);
+ if (!JSON_NODE_HOLDS_OBJECT (root_json))
+ goto unknown_message;
+
+ root_json_object = json_node_get_object (root_json);
+
+ if (!json_object_has_member (root_json_object, "type")) {
+ g_error ("Received message without type field\n");
+ goto cleanup;
+ }
+ type_string = json_object_get_string_member (root_json_object, "type");
+
+ if (!json_object_has_member (root_json_object, "data")) {
+ g_error ("Received message without data field\n");
+ goto cleanup;
+ }
+ data_json_object = json_object_get_object_member (root_json_object, "data");
+
+ if (g_strcmp0 (type_string, "sdp") == 0) {
+ const gchar *sdp_type_string;
+ const gchar *sdp_string;
+ GstPromise *promise;
+ GstSDPMessage *sdp;
+ GstWebRTCSessionDescription *answer;
+ int ret;
+
+ if (!json_object_has_member (data_json_object, "type")) {
+ g_error ("Received SDP message without type field\n");
+ goto cleanup;
+ }
+ sdp_type_string = json_object_get_string_member (data_json_object, "type");
+
+ if (g_strcmp0 (sdp_type_string, "answer") != 0) {
+ g_error ("Expected SDP message type \"answer\", got \"%s\"\n",
+ sdp_type_string);
+ goto cleanup;
+ }
+
+ if (!json_object_has_member (data_json_object, "sdp")) {
+ g_error ("Received SDP message without SDP string\n");
+ goto cleanup;
+ }
+ sdp_string = json_object_get_string_member (data_json_object, "sdp");
+
+ g_print ("Received SDP:\n%s\n", sdp_string);
+
+ ret = gst_sdp_message_new (&sdp);
+ g_assert_cmphex (ret, ==, GST_SDP_OK);
+
+ ret =
+ gst_sdp_message_parse_buffer ((guint8 *) sdp_string,
+ strlen (sdp_string), sdp);
+ if (ret != GST_SDP_OK) {
+ g_error ("Could not parse SDP string\n");
+ goto cleanup;
+ }
+
+ answer = gst_webrtc_session_description_new (GST_WEBRTC_SDP_TYPE_ANSWER,
+ sdp);
+ g_assert_nonnull (answer);
+
+ promise = gst_promise_new ();
+ g_signal_emit_by_name (receiver_entry->webrtcbin, "set-remote-description",
+ answer, promise);
+ gst_promise_interrupt (promise);
+ gst_promise_unref (promise);
+ } else if (g_strcmp0 (type_string, "ice") == 0) {
+ guint mline_index;
+ const gchar *candidate_string;
+
+ if (!json_object_has_member (data_json_object, "sdpMLineIndex")) {
+ g_error ("Received ICE message without mline index\n");
+ goto cleanup;
+ }
+ mline_index =
+ json_object_get_int_member (data_json_object, "sdpMLineIndex");
+
+ if (!json_object_has_member (data_json_object, "candidate")) {
+ g_error ("Received ICE message without ICE candidate string\n");
+ goto cleanup;
+ }
+ candidate_string = json_object_get_string_member (data_json_object,
+ "candidate");
+
+ g_print ("Received ICE candidate with mline index %u; candidate: %s\n",
+ mline_index, candidate_string);
+
+ g_signal_emit_by_name (receiver_entry->webrtcbin, "add-ice-candidate",
+ mline_index, candidate_string);
+ } else
+ goto unknown_message;
+
+cleanup:
+ if (json_parser != NULL)
+ g_object_unref (G_OBJECT (json_parser));
+ g_free (data_string);
+ return;
+
+unknown_message:
+ g_error ("Unknown message \"%s\", ignoring", data_string);
+ goto cleanup;
+}
+
+
+void
+soup_websocket_closed_cb (SoupWebsocketConnection * connection,
+ gpointer user_data)
+{
+ GHashTable *receiver_entry_table = (GHashTable *) user_data;
+ g_hash_table_remove (receiver_entry_table, connection);
+ g_print ("Closed websocket connection %p\n", (gpointer) connection);
+}
+
+
+void
+soup_http_handler (G_GNUC_UNUSED SoupServer * soup_server,
+ SoupMessage * message, const char *path, G_GNUC_UNUSED GHashTable * query,
+ G_GNUC_UNUSED SoupClientContext * client_context,
+ G_GNUC_UNUSED gpointer user_data)
+{
+ SoupBuffer *soup_buffer;
+
+ if ((g_strcmp0 (path, "/") != 0) && (g_strcmp0 (path, "/index.html") != 0)) {
+ soup_message_set_status (message, SOUP_STATUS_NOT_FOUND);
+ return;
+ }
+
+ soup_buffer =
+ soup_buffer_new (SOUP_MEMORY_STATIC, html_source, strlen (html_source));
+
+ soup_message_headers_set_content_type (message->response_headers, "text/html",
+ NULL);
+ soup_message_body_append_buffer (message->response_body, soup_buffer);
+ soup_buffer_free (soup_buffer);
+
+ soup_message_set_status (message, SOUP_STATUS_OK);
+}
+
+
+void
+soup_websocket_handler (G_GNUC_UNUSED SoupServer * server,
+ SoupWebsocketConnection * connection, G_GNUC_UNUSED const char *path,
+ G_GNUC_UNUSED SoupClientContext * client_context, gpointer user_data)
+{
+ ReceiverEntry *receiver_entry;
+ GHashTable *receiver_entry_table = (GHashTable *) user_data;
+
+ g_print ("Processing new websocket connection %p", (gpointer) connection);
+
+ g_signal_connect (G_OBJECT (connection), "closed",
+ G_CALLBACK (soup_websocket_closed_cb), (gpointer) receiver_entry_table);
+
+ receiver_entry = create_receiver_entry (connection);
+ g_hash_table_replace (receiver_entry_table, connection, receiver_entry);
+}
+
+
+static gchar *
+get_string_from_json_object (JsonObject * object)
+{
+ JsonNode *root;
+ JsonGenerator *generator;
+ gchar *text;
+
+ /* Make it the root node */
+ root = json_node_init_object (json_node_alloc (), object);
+ generator = json_generator_new ();
+ json_generator_set_root (generator, root);
+ text = json_generator_to_data (generator, NULL);
+
+ /* Release everything */
+ g_object_unref (generator);
+ json_node_free (root);
+ return text;
+}
+
+
+gboolean
+exit_sighandler (gpointer user_data)
+{
+ g_print ("Caught signal, stopping mainloop\n");
+ GMainLoop *mainloop = (GMainLoop *) user_data;
+ g_main_loop_quit (mainloop);
+ return TRUE;
+}
+
+
+int
+main (int argc, char *argv[])
+{
+ GMainLoop *mainloop;
+ SoupServer *soup_server;
+ GHashTable *receiver_entry_table;
+
+ gst_init (&argc, &argv);
+
+ receiver_entry_table =
+ g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL,
+ destroy_receiver_entry);
+
+ mainloop = g_main_loop_new (NULL, FALSE);
+ g_assert (mainloop != NULL);
+
+ g_unix_signal_add (SIGINT, exit_sighandler, mainloop);
+ g_unix_signal_add (SIGTERM, exit_sighandler, mainloop);
+
+ soup_server =
+ soup_server_new (SOUP_SERVER_SERVER_HEADER, "webrtc-soup-server", NULL);
+ soup_server_add_handler (soup_server, "/", soup_http_handler, NULL, NULL);
+ soup_server_add_websocket_handler (soup_server, "/ws", NULL, NULL,
+ soup_websocket_handler, (gpointer) receiver_entry_table, NULL);
+ soup_server_listen_all (soup_server, SOUP_HTTP_PORT,
+ (SoupServerListenOptions) 0, NULL);
+
+ g_print ("WebRTC page link: http://127.0.0.1:%d/\n", (gint) SOUP_HTTP_PORT);
+
+ g_main_loop_run (mainloop);
+
+ g_object_unref (G_OBJECT (soup_server));
+ g_hash_table_destroy (receiver_entry_table);
+ g_main_loop_unref (mainloop);
+
+ gst_deinit ();
+
+ return 0;
+}