hyperion.ng/libsrc/cec/CECHandler.cpp
Murat Seker c124e2136a
Feature/CEC detection (#877)
* Add CEC functionality

* Initial commit

* removed libCEC from the system skip list

Co-authored-by: Paulchen Panther <16664240+Paulchen-Panther@users.noreply.github.com>
2020-07-20 20:06:41 +02:00

340 lines
8.1 KiB
C++

#include <cec/CECHandler.h>
#include <utils/Logger.h>
#include <algorithm>
#include <libcec/cecloader.h>
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
/* Enable to turn on detailed CEC logs */
// #define VERBOSE_CEC
CECHandler::CECHandler()
{
qRegisterMetaType<CECEvent>("CECEvent");
_logger = Logger::getInstance("CEC");
_cecCallbacks = getCallbacks();
_cecConfig = getConfig();
_cecConfig.callbacks = &_cecCallbacks;
_cecConfig.callbackParam = this;
}
CECHandler::~CECHandler()
{
stop();
}
bool CECHandler::start()
{
if (_cecAdapter)
return true;
Info(_logger, "Starting CEC handler");
_cecAdapter = LibCecInitialise(&_cecConfig);
if(!_cecAdapter)
{
Error(_logger, "Failed loading libcec.so");
return false;
}
auto adapters = getAdapters();
if (adapters.isEmpty())
{
Error(_logger, "Failed to find CEC adapter");
UnloadLibCec(_cecAdapter);
_cecAdapter = nullptr;
return false;
}
Info(_logger, "Auto detecting CEC adapter");
bool opened = false;
for (const auto & adapter : adapters)
{
printAdapter(adapter);
if (!opened && openAdapter(adapter))
{
Info(_logger, "CEC Handler initialized with adapter : %s", adapter.strComName);
opened = true;
}
}
if (!opened)
{
UnloadLibCec(_cecAdapter);
_cecAdapter = nullptr;
}
return opened;
}
void CECHandler::stop()
{
if (_cecAdapter)
{
Info(_logger, "Stopping CEC handler");
_cecAdapter->Close();
UnloadLibCec(_cecAdapter);
_cecAdapter = nullptr;
}
}
CECConfig CECHandler::getConfig() const
{
CECConfig configuration;
const std::string name("HyperionCEC");
name.copy(configuration.strDeviceName, std::min(name.size(), sizeof(configuration.strDeviceName)));
configuration.deviceTypes.Add(CEC::CEC_DEVICE_TYPE_RECORDING_DEVICE);
configuration.clientVersion = CEC::LIBCEC_VERSION_CURRENT;
return configuration;
}
CECCallbacks CECHandler::getCallbacks() const
{
CECCallbacks callbacks;
callbacks.sourceActivated = onCecSourceActivated;
callbacks.commandReceived = onCecCommandReceived;
callbacks.alert = onCecAlert;
callbacks.logMessage = onCecLogMessage;
callbacks.keyPress = onCecKeyPress;
callbacks.configurationChanged = onCecConfigurationChanged;
callbacks.menuStateChanged = onCecMenuStateChanged;
return callbacks;
}
QVector<CECAdapterDescriptor> CECHandler::getAdapters() const
{
if (!_cecAdapter)
return {};
QVector<CECAdapterDescriptor> descriptors(16);
int8_t size = _cecAdapter->DetectAdapters(descriptors.data(), descriptors.size(), nullptr, true /*quickscan*/);
descriptors.resize(size);
return descriptors;
}
bool CECHandler::openAdapter(const CECAdapterDescriptor & descriptor)
{
if (!_cecAdapter)
return false;
if(!_cecAdapter->Open(descriptor.strComName))
{
Error(_logger, QString("Failed to open the CEC adaper on port %1")
.arg(descriptor.strComName)
.toLocal8Bit());
return false;
}
return true;
}
void CECHandler::printAdapter(const CECAdapterDescriptor & descriptor) const
{
Info(_logger, QString("CEC Adapter:").toLocal8Bit());
Info(_logger, QString("\tName : %1").arg(descriptor.strComName).toLocal8Bit());
Info(_logger, QString("\tPath : %1").arg(descriptor.strComPath).toLocal8Bit());
}
QString CECHandler::scan() const
{
if (!_cecAdapter)
return {};
Info(_logger, "Starting CEC scan");
QJsonArray devices;
CECLogicalAddresses addresses = _cecAdapter->GetActiveDevices();
for (int address = CEC::CECDEVICE_TV; address <= CEC::CECDEVICE_BROADCAST; ++address)
{
if (addresses[address])
{
CECLogicalAddress logicalAddress = (CECLogicalAddress)address;
QJsonObject device;
CECVendorId vendor = (CECVendorId)_cecAdapter->GetDeviceVendorId(logicalAddress);
CECPowerStatus power = _cecAdapter->GetDevicePowerStatus(logicalAddress);
device["name" ] = _cecAdapter->GetDeviceOSDName(logicalAddress).c_str();
device["vendor" ] = _cecAdapter->ToString(vendor);
device["address" ] = _cecAdapter->ToString(logicalAddress);
device["power" ] = _cecAdapter->ToString(power);
devices << device;
Info(_logger, QString("\tCECDevice: %1 / %2 / %3 / %4")
.arg(device["name"].toString())
.arg(device["vendor"].toString())
.arg(device["address"].toString())
.arg(device["power"].toString())
.toLocal8Bit());
}
}
return QJsonDocument(devices).toJson(QJsonDocument::Compact);
}
void CECHandler::onCecLogMessage(void * context, const CECLogMessage * message)
{
#ifdef VERBOSE_CEC
CECHandler * handler = qobject_cast<CECHandler*>(static_cast<QObject*>(context));
if (!handler)
return;
switch (message->level)
{
case CEC::CEC_LOG_ERROR:
Error(handler->_logger, QString("%1")
.arg(message->message)
.toLocal8Bit());
break;
case CEC::CEC_LOG_WARNING:
Warning(handler->_logger, QString("%1")
.arg(message->message)
.toLocal8Bit());
break;
case CEC::CEC_LOG_TRAFFIC:
case CEC::CEC_LOG_NOTICE:
Info(handler->_logger, QString("%1")
.arg(message->message)
.toLocal8Bit());
break;
case CEC::CEC_LOG_DEBUG:
Debug(handler->_logger, QString("%1")
.arg(message->message)
.toLocal8Bit());
break;
default:
break;
}
#endif
}
void CECHandler::onCecKeyPress(void * context, const CECKeyPress * key)
{
#ifdef VERBOSE_CEC
CECHandler * handler = qobject_cast<CECHandler*>(static_cast<QObject*>(context));
if (!handler)
return;
CECAdapter * adapter = handler->_cecAdapter;
Debug(handler->_logger, QString("CECHandler::onCecKeyPress: %1")
.arg(adapter->ToString(key->keycode))
.toLocal8Bit());
#endif
}
void CECHandler::onCecAlert(void * context, const CECAlert alert, const CECParameter data)
{
#ifdef VERBOSE_CEC
CECHandler * handler = qobject_cast<CECHandler*>(static_cast<QObject*>(context));
if (!handler)
return;
Error(handler->_logger, QString("CECHandler::onCecAlert: %1")
.arg(alert)
.toLocal8Bit());
#endif
}
void CECHandler::onCecConfigurationChanged(void * context, const CECConfig * configuration)
{
#ifdef VERBOSE_CEC
CECHandler * handler = qobject_cast<CECHandler*>(static_cast<QObject*>(context));
if (!handler)
return;
Debug(handler->_logger, QString("CECHandler::onCecConfigurationChanged: %1")
.arg(configuration->strDeviceName)
.toLocal8Bit());
#endif
}
int CECHandler::onCecMenuStateChanged(void * context, const CECMenuState state)
{
#ifdef VERBOSE_CEC
CECHandler * handler = qobject_cast<CECHandler*>(static_cast<QObject*>(context));
if (!handler)
return 0;
CECAdapter * adapter = handler->_cecAdapter;
Debug(handler->_logger, QString("CECHandler::onCecMenuStateChanged: %1")
.arg(adapter->ToString(state))
.toLocal8Bit());
#endif
return 0;
}
void CECHandler::onCecCommandReceived(void * context, const CECCommand * command)
{
CECHandler * handler = qobject_cast<CECHandler*>(static_cast<QObject*>(context));
if (!handler)
return;
CECAdapter * adapter = handler->_cecAdapter;
#ifdef VERBOSE_CEC
Debug(handler->_logger, QString("CECHandler::onCecCommandReceived: %1 (%2 > %3)")
.arg(adapter->ToString(command->opcode))
.arg(adapter->ToString(command->initiator))
.arg(adapter->ToString(command->destination))
.toLocal8Bit());
#endif
/* We do NOT check sender */
// if (address == CEC::CECDEVICE_TV)
{
if (command->opcode == CEC::CEC_OPCODE_SET_STREAM_PATH)
{
Info(handler->_logger, QString("CEC source activated: %1")
.arg(adapter->ToString(command->initiator))
.toLocal8Bit());
emit handler->cecEvent(CECEvent::On);
}
if (command->opcode == CEC::CEC_OPCODE_STANDBY)
{
Info(handler->_logger, QString("CEC source deactivated: %1")
.arg(adapter->ToString(command->initiator))
.toLocal8Bit());
emit handler->cecEvent(CECEvent::Off);
}
}
}
void CECHandler::onCecSourceActivated(void * context, const CECLogicalAddress address, const uint8_t activated)
{
/* We use CECHandler::onCecCommandReceived for
* source activated/deactivated notifications. */
#ifdef VERBOSE_CEC
CECHandler * handler = qobject_cast<CECHandler*>(static_cast<QObject*>(context));
if (!handler)
return;
CECAdapter * adapter = handler->_cecAdapter;
Debug(handler->_logger, QString("CEC source %1 : %2")
.arg(activated ? "activated" : "deactivated")
.arg(adapter->ToString(address))
.toLocal8Bit());
#endif
}