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binaural_monitoring_backend.cpp
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#include "binaural_monitoring_backend.hpp"
#include "communication/monitoring_metadata_receiver.hpp"
#include "detail/constants.hpp"
#include "helper/eps_to_ear_metadata_converter.hpp"
#include "helper/container_helpers.hpp"
#include <functional>
#include <algorithm>
using std::placeholders::_1;
using std::placeholders::_2;
namespace {
bool isValidId(std::string const& id) {
return !(id.empty() || id == "00000000-0000-0000-0000-000000000000");
}
}
namespace ear {
namespace plugin {
BinauralMonitoringBackend::BinauralMonitoringBackend(
ui::MonitoringFrontendBackendConnector* connector, int inputChannelCount)
: frontendConnector_(connector), controlConnection_() {
logger_ =
createLogger(fmt::format("BinauralMonitoring@{}", (const void*)this));
#ifdef EPS_ENABLE_LOGGING
logger_->set_level(spdlog::level::trace);
#else
logger_->set_level(spdlog::level::off);
#endif
activeDirectSpeakersIds.reserve(inputChannelCount);
activeObjectIds.reserve(inputChannelCount);
activeHoaIds.reserve(inputChannelCount);
allActiveIds.reserve(inputChannelCount);
controlConnection_.logger(logger_);
controlConnection_.onConnectionEstablished(
std::bind(&BinauralMonitoringBackend::onConnection, this, _1, _2));
controlConnection_.onConnectionLost(
std::bind(&BinauralMonitoringBackend::onConnectionLost, this));
controlConnection_.start(detail::SCENE_MASTER_CONTROL_ENDPOINT);
listenerOrientation = std::make_shared<ListenerOrientation>();
}
BinauralMonitoringBackend::~BinauralMonitoringBackend() {
if (metadataReceiver_) {
metadataReceiver_->shutdown();
}
// remove connection signal handlers
// this is required so the controlConnection_ does not try to invoke the
// registered member function which might easily use already destructed
// members. Another option might be to introduce a `stop()` method on the
// InputControlConnection class, but probably
// the expected behaviour of this would be to call any "disconnect" handlers
// on `stop()` as well, so this wouldn't help here?
controlConnection_.onConnectionLost(nullptr);
controlConnection_.onConnectionEstablished(nullptr);
}
std::vector<ConnId> BinauralMonitoringBackend::getActiveDirectSpeakersIds() {
std::lock_guard<std::mutex> lock(activeDirectSpeakersIdsMutex_);
return activeDirectSpeakersIds;
}
size_t BinauralMonitoringBackend::getTotalDirectSpeakersChannels() {
std::lock_guard<std::mutex> lock(activeDirectSpeakersIdsMutex_);
return directSpeakersChannelCount;
}
std::vector<ConnId> BinauralMonitoringBackend::getActiveHoaIds() {
std::lock_guard<std::mutex> lock(activeHoaIdsMutex_);
return activeHoaIds;
}
size_t BinauralMonitoringBackend::getTotalHoaChannels() {
std::lock_guard<std::mutex> lock(activeHoaIdsMutex_);
return hoaChannelCount;
}
std::vector<ConnId> BinauralMonitoringBackend::getActiveObjectIds() {
std::lock_guard<std::mutex> lock(activeObjectIdsMutex_);
return activeObjectIds;
}
size_t BinauralMonitoringBackend::getTotalObjectChannels() {
std::lock_guard<std::mutex> lock(activeObjectIdsMutex_);
return objectChannelCount;
}
std::optional<BinauralMonitoringBackend::DirectSpeakersEarMetadataAndRouting>
BinauralMonitoringBackend::getLatestDirectSpeakersTypeMetadata(ConnId id) {
std::lock_guard<std::mutex> lockA(latestDirectSpeakersTypeMetadataMutex_);
auto earMD =
getValuePointerFromMap<ConnId, DirectSpeakersEarMetadataAndRouting>(
latestDirectSpeakersTypeMetadata, id);
if (earMD) {
return std::optional<DirectSpeakersEarMetadataAndRouting>(*earMD);
}
std::lock_guard<std::mutex> lockB(latestMonitoringItemMetadataMutex_);
auto epsMD =
getValuePointerFromMap<ConnId,
ear::plugin::proto::MonitoringItemMetadata>(
latestMonitoringItemMetadata, id);
if (!epsMD || !epsMD->has_ds_metadata()) {
return std::optional<DirectSpeakersEarMetadataAndRouting>();
}
setInMap<ConnId, DirectSpeakersEarMetadataAndRouting>(
latestDirectSpeakersTypeMetadata, id,
DirectSpeakersEarMetadataAndRouting{
epsMD->has_routing() ? epsMD->routing() : -1,
EpsToEarMetadataConverter::convert(epsMD->ds_metadata())});
earMD = getValuePointerFromMap<ConnId, DirectSpeakersEarMetadataAndRouting>(
latestDirectSpeakersTypeMetadata, id);
if (earMD) {
return std::optional<DirectSpeakersEarMetadataAndRouting>(*earMD);
}
return std::optional<DirectSpeakersEarMetadataAndRouting>();
}
std::optional<BinauralMonitoringBackend::HoaEarMetadataAndRouting>
BinauralMonitoringBackend::getLatestHoaTypeMetadata(ConnId id) {
std::lock_guard<std::mutex> lockA(latestHoaTypeMetadataMutex_);
auto earMD = getValuePointerFromMap<ConnId, HoaEarMetadataAndRouting>(
latestHoaTypeMetadata, id);
if (earMD) {
return std::optional<HoaEarMetadataAndRouting>(*earMD);
}
std::lock_guard<std::mutex> lockB(latestMonitoringItemMetadataMutex_);
auto epsMD =
getValuePointerFromMap<ConnId,
ear::plugin::proto::MonitoringItemMetadata>(
latestMonitoringItemMetadata, id);
if (!epsMD || !epsMD->has_hoa_metadata()) {
return std::optional<HoaEarMetadataAndRouting>();
}
setInMap<ConnId, HoaEarMetadataAndRouting>(
latestHoaTypeMetadata, id,
HoaEarMetadataAndRouting{
epsMD->has_routing() ? epsMD->routing() : -1,
EpsToEarMetadataConverter::convert(epsMD->hoa_metadata())});
earMD = getValuePointerFromMap<ConnId, HoaEarMetadataAndRouting>(
latestHoaTypeMetadata, id);
if (earMD) {
return std::optional<HoaEarMetadataAndRouting>(*earMD);
}
return std::optional<HoaEarMetadataAndRouting>();
}
std::optional<BinauralMonitoringBackend::ObjectsEarMetadataAndRouting>
BinauralMonitoringBackend::getLatestObjectsTypeMetadata(ConnId id) {
std::lock_guard<std::mutex> lockA(latestObjectsTypeMetadataMutex_);
auto earMD = getValuePointerFromMap<ConnId, ObjectsEarMetadataAndRouting>(
latestObjectsTypeMetadata, id);
if (earMD) {
return std::optional<ObjectsEarMetadataAndRouting>(*earMD);
}
std::lock_guard<std::mutex> lockB(latestMonitoringItemMetadataMutex_);
auto epsMD =
getValuePointerFromMap<ConnId,
ear::plugin::proto::MonitoringItemMetadata>(
latestMonitoringItemMetadata, id);
if (!epsMD || !epsMD->has_obj_metadata()) {
return std::optional<ObjectsEarMetadataAndRouting>();
}
setInMap<ConnId, ObjectsEarMetadataAndRouting>(
latestObjectsTypeMetadata, id,
ObjectsEarMetadataAndRouting{
epsMD->has_routing() ? epsMD->routing() : -1,
EpsToEarMetadataConverter::convert(epsMD->obj_metadata())});
earMD = getValuePointerFromMap<ConnId, ObjectsEarMetadataAndRouting>(
latestObjectsTypeMetadata, id);
if (earMD) {
return std::optional<ObjectsEarMetadataAndRouting>(*earMD);
}
return std::optional<ObjectsEarMetadataAndRouting>();
}
void BinauralMonitoringBackend::onSceneReceived(
const proto::SceneStore& store) {
isExporting_ = store.has_is_exporting() && store.is_exporting();
size_t totalDsChannels = 0;
size_t totalObjChannels = 0;
size_t totalHoaChannels = 0;
std::vector<ConnId> availableItemIds;
availableItemIds.reserve(store.all_available_items_size());
for (const auto& item : store.all_available_items()) {
if(item.has_connection_id() &&
isValidId(item.connection_id())) {
availableItemIds.push_back(item.connection_id());
}
if (item.has_ds_metadata()) {
totalDsChannels += item.ds_metadata().speakers_size();
}
if (item.has_obj_metadata()) {
totalObjChannels++;
}
if (item.has_hoa_metadata()) {
auto hoaId = item.hoa_metadata().packformatidvalue();
// TODO: May need to revisit later -
// this is a high-frequency call but may be slow to to execute
auto pfData =
AdmPresetDefinitionsHelper::getSingleton().getPackFormatData(4,
hoaId);
if (pfData) {
auto cfCount = pfData->relatedChannelFormats.size();
totalHoaChannels += cfCount;
}
}
}
std::lock_guard<std::mutex> lockDsIds(activeDirectSpeakersIdsMutex_);
std::lock_guard<std::mutex> lockObjIds(activeObjectIdsMutex_);
std::lock_guard<std::mutex> lockHoaIds(activeHoaIdsMutex_);
activeDirectSpeakersIds.clear();
activeObjectIds.clear();
activeHoaIds.clear();
for (const auto& item : store.monitoring_items()) {
if (item.has_connection_id() &&
isValidId(item.connection_id()) &&
contains(availableItemIds, item.connection_id())) {
bool newItem = !contains(allActiveIds, item.connection_id());
// clang-format off
if (item.has_hoa_metadata()) {
if(newItem || item.changed()) {
{
std::lock_guard<std::mutex> lock(latestHoaTypeMetadataMutex_);
removeFromMap<ConnId, HoaEarMetadataAndRouting>(
latestHoaTypeMetadata, item.connection_id());
}
{
std::lock_guard<std::mutex> lock(
latestMonitoringItemMetadataMutex_);
setInMap<ConnId, ear::plugin::proto::MonitoringItemMetadata>(
latestMonitoringItemMetadata, item.connection_id(), item);
}
}
activeHoaIds.push_back(item.connection_id());
}
if (item.has_ds_metadata()) {
if (newItem || item.changed()) {
{
std::lock_guard<std::mutex> lock(
latestDirectSpeakersTypeMetadataMutex_);
removeFromMap<ConnId, DirectSpeakersEarMetadataAndRouting>(
latestDirectSpeakersTypeMetadata, item.connection_id());
}
{
std::lock_guard<std::mutex> lock(
latestMonitoringItemMetadataMutex_);
setInMap<ConnId, ear::plugin::proto::MonitoringItemMetadata>(
latestMonitoringItemMetadata, item.connection_id(), item);
}
}
activeDirectSpeakersIds.push_back(item.connection_id());
}
if (item.has_obj_metadata()) {
if (newItem || item.changed()) {
{
std::lock_guard<std::mutex> lock(latestObjectsTypeMetadataMutex_);
removeFromMap<ConnId, ObjectsEarMetadataAndRouting>(
latestObjectsTypeMetadata, item.connection_id());
}
{
std::lock_guard<std::mutex> lock(
latestMonitoringItemMetadataMutex_);
setInMap<ConnId, ear::plugin::proto::MonitoringItemMetadata>(
latestMonitoringItemMetadata, item.connection_id(), item);
}
}
activeObjectIds.push_back(item.connection_id());
}
}
}
allActiveIds.clear();
for(const auto& item : store.monitoring_items()) {
allActiveIds.push_back(item.connection_id());
}
objectChannelCount = totalObjChannels;
directSpeakersChannelCount = totalDsChannels;
hoaChannelCount = totalHoaChannels;
}
void BinauralMonitoringBackend::onConnection(
communication::ConnectionId id, const std::string& streamEndpoint) {
try {
logger_->info(
"Connected to Scene ({}), will now listening for metadata from "
"{}",
id.string(), streamEndpoint);
metadataReceiver_ =
std::make_unique<communication::MonitoringMetadataReceiver>(logger_);
metadataReceiver_->start(
streamEndpoint,
std::bind(&BinauralMonitoringBackend::onSceneReceived, this, _1));
} catch (const std::runtime_error& e) {
logger_->error("Failed to start stream receiver: {}", e.what());
}
}
void BinauralMonitoringBackend::onConnectionLost() {
logger_->info("Lost connection to Scene");
metadataReceiver_->shutdown();
{
std::lock_guard<std::mutex> lock(activeDirectSpeakersIdsMutex_);
activeDirectSpeakersIds.clear();
}
{
std::lock_guard<std::mutex> lock(activeObjectIdsMutex_);
activeObjectIds.clear();
}
}
} // namespace plugin
} // namespace ear