cannam@124: #include "portaudiocpp/HostApi.hxx"
cannam@124: 
cannam@124: #include "portaudiocpp/System.hxx"
cannam@124: #include "portaudiocpp/Device.hxx"
cannam@124: #include "portaudiocpp/SystemDeviceIterator.hxx"
cannam@124: #include "portaudiocpp/Exception.hxx"
cannam@124: 
cannam@124: namespace portaudio
cannam@124: {
cannam@124: 
cannam@124: 	// -----------------------------------------------------------------------------------
cannam@124: 
cannam@124: 	HostApi::HostApi(PaHostApiIndex index) : devices_(NULL)
cannam@124: 	{
cannam@124: 		try
cannam@124: 		{
cannam@124: 			info_ = Pa_GetHostApiInfo(index);
cannam@124: 
cannam@124: 			// Create and populate devices array:
cannam@124: 			int numDevices = deviceCount();
cannam@124: 
cannam@124: 			devices_ = new Device*[numDevices];
cannam@124: 
cannam@124: 			for (int i = 0; i < numDevices; ++i)
cannam@124: 			{
cannam@124: 				PaDeviceIndex deviceIndex = Pa_HostApiDeviceIndexToDeviceIndex(index, i);
cannam@124: 
cannam@124: 				if (deviceIndex < 0)
cannam@124: 				{
cannam@124: 					throw PaException(deviceIndex);
cannam@124: 				}
cannam@124: 
cannam@124: 				devices_[i] = &System::instance().deviceByIndex(deviceIndex);
cannam@124: 			}
cannam@124: 		}
cannam@124: 		catch (const std::exception &e)
cannam@124: 		{
cannam@124: 			// Delete any (partially) constructed objects (deconstructor isn't called):
cannam@124: 			delete[] devices_; // devices_ is either NULL or valid
cannam@124: 
cannam@124: 			// Re-throw exception:
cannam@124: 			throw e;
cannam@124: 		}
cannam@124: 	}
cannam@124: 
cannam@124: 	HostApi::~HostApi()
cannam@124: 	{
cannam@124: 		// Destroy devices array:
cannam@124: 		delete[] devices_;
cannam@124: 	}
cannam@124: 
cannam@124: 	// -----------------------------------------------------------------------------------
cannam@124: 
cannam@124: 	PaHostApiTypeId HostApi::typeId() const
cannam@124: 	{
cannam@124: 		return info_->type;
cannam@124: 	}
cannam@124: 
cannam@124: 	PaHostApiIndex HostApi::index() const
cannam@124: 	{
cannam@124: 		PaHostApiIndex index = Pa_HostApiTypeIdToHostApiIndex(typeId());
cannam@124: 
cannam@124: 		if (index < 0)
cannam@124: 			throw PaException(index);
cannam@124: 
cannam@124: 		return index;
cannam@124: 	}
cannam@124: 
cannam@124: 	const char *HostApi::name() const
cannam@124: 	{
cannam@124: 		return info_->name;
cannam@124: 	}
cannam@124: 
cannam@124: 	int HostApi::deviceCount() const
cannam@124: 	{
cannam@124: 		return info_->deviceCount;
cannam@124: 	}
cannam@124: 
cannam@124: 	// -----------------------------------------------------------------------------------
cannam@124: 
cannam@124: 	HostApi::DeviceIterator HostApi::devicesBegin()
cannam@124: 	{
cannam@124: 		DeviceIterator tmp;
cannam@124: 		tmp.ptr_ = &devices_[0]; // begin (first element)
cannam@124: 		return tmp;
cannam@124: 	}
cannam@124: 
cannam@124: 	HostApi::DeviceIterator HostApi::devicesEnd()
cannam@124: 	{
cannam@124: 		DeviceIterator tmp;
cannam@124: 		tmp.ptr_ = &devices_[deviceCount()]; // end (one past last element)
cannam@124: 		return tmp;
cannam@124: 	}
cannam@124: 
cannam@124: 	// -----------------------------------------------------------------------------------
cannam@124: 
cannam@124: 	Device &HostApi::defaultInputDevice() const
cannam@124: 	{
cannam@124: 		return System::instance().deviceByIndex(info_->defaultInputDevice);
cannam@124: 	}
cannam@124: 
cannam@124: 	Device &HostApi::defaultOutputDevice() const
cannam@124: 	{
cannam@124: 		return System::instance().deviceByIndex(info_->defaultOutputDevice);
cannam@124: 	}
cannam@124: 
cannam@124: 	// -----------------------------------------------------------------------------------
cannam@124: 
cannam@124: 	bool HostApi::operator==(const HostApi &rhs) const
cannam@124: 	{
cannam@124: 		return (typeId() == rhs.typeId());
cannam@124: 	}
cannam@124: 
cannam@124: 	bool HostApi::operator!=(const HostApi &rhs) const
cannam@124: 	{
cannam@124: 		return !(*this == rhs);
cannam@124: 	}
cannam@124: 
cannam@124: 	// -----------------------------------------------------------------------------------
cannam@124: 
cannam@124: } // namespace portaudio