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 ();
}
void MixerImpl::disconnect (std::shared_ptr<MediaType> media,
std::shared_ptr<HubPort> source, std::shared_ptr<HubPort> sink)
{
std::shared_ptr<HubPortImpl> sourcePort =
std::dynamic_pointer_cast<HubPortImpl> (source);
std::shared_ptr<HubPortImpl> sinkPort =
std::dynamic_pointer_cast<HubPortImpl> (sink);
std::string action;
bool connected;
switch (media->getValue() ) {
case MediaType::AUDIO:
action = "disconnect-audio";
break;
case MediaType::VIDEO:
throw KurentoException (UNSUPPORTED_MEDIA_TYPE,
"Video disconnection is not implemented yet");
default:
/* Only audio is suppported so far */
throw KurentoException (UNSUPPORTED_MEDIA_TYPE, "Invalid media type");
};
g_signal_emit_by_name (G_OBJECT (element), action.c_str(),
sourcePort->getHandlerId(),
sinkPort->getHandlerId(),
&connected);
if (!connected) {
throw KurentoException (CONNECT_ERROR, "Can not connect video ports");
}
}
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;
}
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;
}
void
WebRtcEndpointImpl::createDataChannel (const std::string &label, bool ordered,
int maxPacketLifeTime, int maxRetransmits, const std::string &protocol)
{
gint lifeTime, retransmits, stream_id;
gboolean supported;
g_object_get (element, "data-channel-supported", &supported, NULL);
if (!supported) {
throw KurentoException (MEDIA_OBJECT_OPERATION_NOT_SUPPORTED,
"Data channels are not supported");
}
/* Less than one values mean that parameters are disabled */
if (maxPacketLifeTime < 0) {
maxPacketLifeTime = -1;
}
if (maxRetransmits < 0) {
maxRetransmits = -1;
}
if (maxPacketLifeTime != -1 && maxRetransmits != -1) {
/* Both values are incompatible. */
/* http://w3c.github.io/webrtc-pc/#dom-datachannel-maxpacketlifetime */
throw KurentoException (MEDIA_OBJECT_ILLEGAL_PARAM_ERROR, "Syntax error");
}
if (maxPacketLifeTime > G_MAXUSHORT) {
GST_WARNING ("maxPacketLifeTime can not be bigger than %u. Setting it to that value",
G_MAXUSHORT);
lifeTime = G_MAXUSHORT;
} else {
lifeTime = maxPacketLifeTime;
}
if (maxRetransmits > G_MAXUSHORT) {
GST_WARNING ("maxRetransmits can not be bigger than %u. Setting it to that value",
G_MAXUSHORT);
retransmits = G_MAXUSHORT;
} else {
retransmits = maxRetransmits;
}
/* Create the data channel */
g_signal_emit_by_name (element, "create-data-channel", ordered, lifeTime,
retransmits, label.c_str(), protocol.c_str(),
&stream_id);
if (stream_id < 0) {
throw KurentoException (UNEXPECTED_ERROR, "Can not create data channel");
}
GST_DEBUG ("Creating data channel with stream id %d", stream_id);
}
std::shared_ptr< MediaObjectImpl >
MediaSet::getMediaObject (const std::string &mediaObjectRef)
{
if (mediaObjectRef.size() > NEW_REF.size()
&& mediaObjectRef.substr (0, NEW_REF.size() ) == NEW_REF) {
throw KurentoException (MEDIA_OBJECT_NOT_FOUND_TRANSACTION_NO_COMMIT,
"Object '" + mediaObjectRef +
"' not found. Possibly using a transactional " +
"object without committing the transaction.");
}
std::shared_ptr <MediaObjectImpl> objectLocked;
std::unique_lock <std::recursive_mutex> lock (recMutex);
auto it = objectsMap.find (mediaObjectRef);
if (it == objectsMap.end() ) {
throw KurentoException (MEDIA_OBJECT_NOT_FOUND,
"Object '" + mediaObjectRef + "' not found");
}
try {
objectLocked = it->second.lock();
} catch (...) {
throw KurentoException (MEDIA_OBJECT_NOT_FOUND,
"Object '" + mediaObjectRef + "' not found");
}
if (!objectLocked) {
throw KurentoException (MEDIA_OBJECT_NOT_FOUND,
"Object '" + mediaObjectRef + "' not found");
}
auto it2 = reverseSessionMap.find (objectLocked->getId() );
if (it2 == reverseSessionMap.end() || it2->second.empty() ) {
if (serverManager && mediaObjectRef == serverManager->getId() ) {
return serverManager;
}
throw KurentoException (MEDIA_OBJECT_NOT_FOUND,
"Object '" + mediaObjectRef + "' not found");
}
return objectLocked;
}
static GstStructure *
get_structure_from_roi (std::shared_ptr<RegionOfInterest> roi)
{
GstStructure *roiStructure, *configRoiSt;
std::shared_ptr<RegionOfInterestConfig> config;
int pointCount = 0;
roiStructure = gst_structure_new_empty (roi->getId().c_str() );
if (roiStructure == NULL) {
throw KurentoException (MEDIA_OBJECT_ILLEGAL_PARAM_ERROR,
"Invalid roi name");
}
for (std::shared_ptr<RelativePoint> point : roi->getPoints() ) {
GstStructure *pointSt;
std::string name = "point" + std::to_string (pointCount ++);
pointSt = gst_structure_new (name.c_str(),
"x", G_TYPE_FLOAT, point->getX(),
"y", G_TYPE_FLOAT, point->getY(),
NULL);
gst_structure_set (roiStructure,
name.c_str(), GST_TYPE_STRUCTURE, pointSt,
NULL);
gst_structure_free (pointSt);
}
config = roi->getRegionOfInterestConfig();
configRoiSt = gst_structure_new ("config",
"id", G_TYPE_STRING, roi->getId().c_str(),
"occupancy_level_min", G_TYPE_INT, config->getOccupancyLevelMin(),
"occupancy_level_med", G_TYPE_INT, config->getOccupancyLevelMed(),
"occupancy_level_max", G_TYPE_INT, config->getOccupancyLevelMax(),
"occupancy_num_frames_to_event", G_TYPE_INT,
config->getOccupancyNumFramesToEvent(),
"fluidity_level_min", G_TYPE_INT, config->getFluidityLevelMin(),
"fluidity_level_med", G_TYPE_INT, config->getFluidityLevelMed(),
"fluidity_level_max", G_TYPE_INT, config->getFluidityLevelMax(),
"fluidity_num_frames_to_event", G_TYPE_INT,
config->getFluidityNumFramesToEvent(),
"send_optical_flow_event", G_TYPE_BOOLEAN, config->getSendOpticalFlowEvent(),
"optical_flow_num_frames_to_event", G_TYPE_INT,
config->getOpticalFlowNumFramesToEvent(),
"optical_flow_num_frames_to_reset", G_TYPE_INT,
config->getOpticalFlowNumFramesToReset(),
"optical_flow_angle_offset", G_TYPE_INT, config->getOpticalFlowAngleOffset(),
NULL);
gst_structure_set (roiStructure,
"config", GST_TYPE_STRUCTURE, configRoiSt,
NULL);
gst_structure_free (configRoiSt);
return roiStructure;
}
void
checkResources (void)
{
int nThreads;
nThreads = getNumberOfThreads ();
if (nThreads > maxThreads) {
throw KurentoException (NOT_ENOUGH_RESOURCES, "Too many threads");
}
}
HttpGetEndpointImpl::HttpGetEndpointImpl (
const boost::property_tree::ptree &conf,
std::shared_ptr<MediaPipeline> mediaPipeline, bool terminateOnEOS,
std::shared_ptr<MediaProfileSpecType> mediaProfile,
int disconnectionTimeout) : HttpEndpointImpl (conf,
std::dynamic_pointer_cast< MediaObjectImpl > (mediaPipeline),
disconnectionTimeout, FACTORY_NAME)
{
g_object_set ( G_OBJECT (element), "accept-eos", terminateOnEOS,
NULL);
switch (mediaProfile->getValue() ) {
case MediaProfileSpecType::WEBM:
GST_INFO ("Set WEBM profile");
g_object_set ( G_OBJECT (element), "profile", KMS_RECORDING_PROFILE_WEBM, NULL);
break;
case MediaProfileSpecType::MP4:
GST_INFO ("Set MP4 profile");
g_object_set ( G_OBJECT (element), "profile", KMS_RECORDING_PROFILE_MP4, NULL);
break;
case MediaProfileSpecType::WEBM_VIDEO_ONLY:
g_object_set ( G_OBJECT (element), "profile",
KMS_RECORDING_PROFILE_WEBM_VIDEO_ONLY, NULL);
GST_INFO ("Set WEBM profile");
break;
case MediaProfileSpecType::WEBM_AUDIO_ONLY:
g_object_set ( G_OBJECT (element), "profile",
KMS_RECORDING_PROFILE_WEBM_AUDIO_ONLY, NULL);
GST_INFO ("Set WEBM profile");
break;
case MediaProfileSpecType::MP4_VIDEO_ONLY:
g_object_set ( G_OBJECT (element), "profile",
KMS_RECORDING_PROFILE_MP4_VIDEO_ONLY, NULL);
GST_INFO ("Set WEBM profile");
break;
case MediaProfileSpecType::MP4_AUDIO_ONLY:
g_object_set ( G_OBJECT (element), "profile",
KMS_RECORDING_PROFILE_MP4_AUDIO_ONLY, NULL);
GST_INFO ("Set WEBM profile");
break;
}
register_end_point();
if (!is_registered() ) {
throw KurentoException (HTTP_END_POINT_REGISTRATION_ERROR,
"Cannot register HttpGetEndPoint");
}
}
static void
checkOpenFiles (float limit_percent)
{
int nOpenFiles;
nOpenFiles = getNumberOfOpenFiles ();
if (nOpenFiles > getMaxOpenFiles () * limit_percent ) {
throw KurentoException (NOT_ENOUGH_RESOURCES, "Too many open files");
}
}
static void
checkThreads (float limit_percent)
{
int nThreads;
nThreads = getNumberOfThreads ();
if (nThreads > getMaxThreads () * limit_percent ) {
throw KurentoException (NOT_ENOUGH_RESOURCES, "Too many threads");
}
}
std::string MediaObjectImpl::getTag (const std::string &key)
{
auto it = tagsMap.find (key);
if (it != tagsMap.end() ) {
return it->second;
}
throw KurentoException (MEDIA_OBJECT_TAG_KEY_NOT_FOUND,
"Tag key not found");
}
void
WebRtcEndpointImpl::gatherCandidates ()
{
gboolean ret;
g_signal_emit_by_name (element, "gather-candidates", &ret);
if (!ret) {
throw KurentoException (ICE_GATHER_CANDIDATES_ERROR,
"Error gathering candidates");
}
}
void
ServerMethods::subscribe (const Json::Value ¶ms, Json::Value &response)
{
std::shared_ptr<MediaObjectImpl> obj;
std::string eventType;
std::string handlerId;
std::string sessionId;
std::string objectId;
requireParams (params);
JsonRpc::getValue (params, TYPE, eventType);
JsonRpc::getValue (params, OBJECT, objectId);
getOrCreateSessionId (sessionId, params);
try {
obj = MediaSet::getMediaSet()->getMediaObject (sessionId, objectId);
try {
handlerId = eventSubscriptionHandler (obj, sessionId, eventType, params);
} catch (std::bad_function_call &e) {
throw KurentoException (NOT_IMPLEMENTED,
"Current transport does not support events");
}
if (handlerId == "") {
throw KurentoException (MEDIA_OBJECT_EVENT_NOT_SUPPORTED, "Event not found");
}
} catch (KurentoException &ex) {
Json::Value data;
data[TYPE] = ex.getType();
throw JsonRpc::CallException (ex.getCode (), ex.getMessage (), data);
}
response[SESSION_ID] = sessionId;
response[VALUE] = handlerId;
}
NuboTrackerImpl::NuboTrackerImpl (const boost::property_tree::ptree &config, std::shared_ptr<MediaPipeline> mediaPipeline) : FilterImpl (config, std::dynamic_pointer_cast<MediaPipelineImpl> (mediaPipeline))
{
g_object_set (element, "filter-factory", "nubotracker", NULL);
g_object_get (G_OBJECT (element), "filter", &nubo_tracker, NULL);
if (NULL == nubo_tracker) {
throw KurentoException (MEDIA_OBJECT_NOT_AVAILABLE,
"Media Object not available");
}
g_object_unref(nubo_tracker);
}
Json::Value F::getFirstEvent ()
{
for (auto it = recvMessages.begin(); it != recvMessages.end(); it++) {
Json::Value message = *it;
if (isEvent (message) ) {
recvMessages.erase (it);
return message;
}
}
throw KurentoException (UNEXPECTED_ERROR, "Resonse not found");
}
Json::Value F::getResponse (const std::string &requestId)
{
for (auto it = recvMessages.begin(); it != recvMessages.end(); it++) {
Json::Value message = *it;
if (isResponse (message, requestId) ) {
recvMessages.erase (it);
return message;
}
}
throw KurentoException (UNEXPECTED_ERROR, "Resonse not found");
}
void SdpEndpointImpl::postConstructor ()
{
gchar *sess_id;
g_signal_emit_by_name (element, "create-session", &sess_id);
if (sess_id == NULL) {
throw KurentoException (SDP_END_POINT_CANNOT_CREATE_SESSON,
"Cannot create session");
}
sessId = std::string (sess_id);
g_free (sess_id);
}
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;
}
void
ServerMethods::invoke (const Json::Value ¶ms, Json::Value &response)
{
std::shared_ptr<MediaObject> obj;
std::string sessionId;
std::string operation;
Json::Value operationParams;
std::string objectId;
requireParams (params);
JsonRpc::getValue (params, "operation", operation);
JsonRpc::getValue (params, OBJECT, objectId);
try {
JsonRpc::getValue (params, "operationParams", operationParams);
} catch (JsonRpc::CallException e) {
/* operationParams is optional at this point */
}
try {
JsonRpc::getValue (params, SESSION_ID, sessionId);
} catch (JsonRpc::CallException e) {
generateUUID (sessionId);
}
try {
Json::Value value;
obj = MediaSet::getMediaSet().getMediaObject (sessionId, objectId);
if (!obj) {
throw KurentoException (MEDIA_OBJECT_NOT_FOUND, "Object not found");
}
obj->getInvoker().invoke (obj, operation, operationParams, value);
response["value"] = value;
response["sessionId"] = sessionId;
} catch (KurentoException &ex) {
Json::Value data;
data["code"] = ex.getCode();
data["message"] = ex.getMessage();
JsonRpc::CallException e (JsonRpc::ErrorCode::SERVER_ERROR_INIT,
ex.what(), data);
throw e;
}
}
void
SamplePluginFilter_js_mvImpl::Serialize (JsonSerializer &serializer)
{
if (serializer.IsWriter) {
try {
Json::Value v (getId() );
serializer.JsonValue = v;
} catch (std::bad_cast &e) {
}
} else {
throw KurentoException (MARSHALL_ERROR,
"'SamplePluginFilter_js_mvImpl' cannot be deserialized as an object");
}
}
FaceOverlayFilterImpl::FaceOverlayFilterImpl (
std::shared_ptr< MediaObjectImpl > parent) :
FilterImpl (parent)
{
g_object_set (element, "filter-factory", "faceoverlay", NULL);
g_object_get (G_OBJECT (element), "filter", &faceOverlay, NULL);
if (faceOverlay == NULL) {
throw KurentoException (MEDIA_OBJECT_NOT_AVAILABLE,
"Media Object not available");
}
g_object_unref (faceOverlay);
}
void
WebRtcEndpointImpl::closeDataChannel (int channelId)
{
gboolean supported;
g_object_get (element, "data-channel-supported", &supported, NULL);
if (!supported) {
throw KurentoException (MEDIA_OBJECT_OPERATION_NOT_SUPPORTED,
"Data channels are not supported");
}
/* Destroy the data channel */
g_signal_emit_by_name (element, "destroy-data-channel", channelId);
}
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::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::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;
}
KmsShowFacesImpl::KmsShowFacesImpl (const boost::property_tree::ptree &config,
std::shared_ptr<MediaPipeline> mediaPipeline) :
FilterImpl (config,
std::dynamic_pointer_cast<MediaObjectImpl> ( mediaPipeline) )
{
g_object_set (element, "filter-factory", "imageoverlaymetadata", NULL);
g_object_get (G_OBJECT (element), "filter", &imageOverlay, NULL);
if (imageOverlay == NULL) {
throw KurentoException (MEDIA_OBJECT_NOT_AVAILABLE,
"Media Object not available");
}
g_object_unref (imageOverlay);
}
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
ServerMethods::connectEventHandler (std::shared_ptr<MediaObject> obj,
const std::string &sessionId, const std::string &eventType,
std::shared_ptr<EventHandler> handler)
{
std::string subscriptionId;
subscriptionId = obj->connect (eventType, handler);
if (subscriptionId == "") {
throw KurentoException (MEDIA_OBJECT_EVENT_NOT_SUPPORTED, "Event not found");
}
registerEventHandler (obj, sessionId, subscriptionId, handler);
return subscriptionId;
}
ZBarFilterImpl::ZBarFilterImpl (const boost::property_tree::ptree &conf,
std::shared_ptr<MediaPipeline> mediaPipeline) :
FilterImpl (conf, std::dynamic_pointer_cast<MediaObjectImpl> ( mediaPipeline) )
{
g_object_set (element, "filter-factory", "zbar", NULL);
g_object_get (G_OBJECT (element), "filter", &zbar, NULL);
if (zbar == NULL) {
throw KurentoException (MEDIA_OBJECT_NOT_FOUND, "MediaObject not found");
}
g_object_set (G_OBJECT (zbar), "qos", FALSE, NULL);
bus_handler_id = 0;
// There is no need to reference zbar becase its live cycle is the same as the filter live cycle
g_object_unref (zbar);
}