Chris@39: #include "portaudiocpp/HostApi.hxx"
Chris@39: 
Chris@39: #include "portaudiocpp/System.hxx"
Chris@39: #include "portaudiocpp/Device.hxx"
Chris@39: #include "portaudiocpp/SystemDeviceIterator.hxx"
Chris@39: #include "portaudiocpp/Exception.hxx"
Chris@39: 
Chris@39: namespace portaudio
Chris@39: {
Chris@39: 
Chris@39: 	// -----------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	HostApi::HostApi(PaHostApiIndex index) : devices_(NULL)
Chris@39: 	{
Chris@39: 		try
Chris@39: 		{
Chris@39: 			info_ = Pa_GetHostApiInfo(index);
Chris@39: 
Chris@39: 			// Create and populate devices array:
Chris@39: 			int numDevices = deviceCount();
Chris@39: 
Chris@39: 			devices_ = new Device*[numDevices];
Chris@39: 
Chris@39: 			for (int i = 0; i < numDevices; ++i)
Chris@39: 			{
Chris@39: 				PaDeviceIndex deviceIndex = Pa_HostApiDeviceIndexToDeviceIndex(index, i);
Chris@39: 
Chris@39: 				if (deviceIndex < 0)
Chris@39: 				{
Chris@39: 					throw PaException(deviceIndex);
Chris@39: 				}
Chris@39: 
Chris@39: 				devices_[i] = &System::instance().deviceByIndex(deviceIndex);
Chris@39: 			}
Chris@39: 		}
Chris@39: 		catch (const std::exception &e)
Chris@39: 		{
Chris@39: 			// Delete any (partially) constructed objects (deconstructor isn't called):
Chris@39: 			delete[] devices_; // devices_ is either NULL or valid
Chris@39: 
Chris@39: 			// Re-throw exception:
Chris@39: 			throw e;
Chris@39: 		}
Chris@39: 	}
Chris@39: 
Chris@39: 	HostApi::~HostApi()
Chris@39: 	{
Chris@39: 		// Destroy devices array:
Chris@39: 		delete[] devices_;
Chris@39: 	}
Chris@39: 
Chris@39: 	// -----------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	PaHostApiTypeId HostApi::typeId() const
Chris@39: 	{
Chris@39: 		return info_->type;
Chris@39: 	}
Chris@39: 
Chris@39: 	PaHostApiIndex HostApi::index() const
Chris@39: 	{
Chris@39: 		PaHostApiIndex index = Pa_HostApiTypeIdToHostApiIndex(typeId());
Chris@39: 
Chris@39: 		if (index < 0)
Chris@39: 			throw PaException(index);
Chris@39: 
Chris@39: 		return index;
Chris@39: 	}
Chris@39: 
Chris@39: 	const char *HostApi::name() const
Chris@39: 	{
Chris@39: 		return info_->name;
Chris@39: 	}
Chris@39: 
Chris@39: 	int HostApi::deviceCount() const
Chris@39: 	{
Chris@39: 		return info_->deviceCount;
Chris@39: 	}
Chris@39: 
Chris@39: 	// -----------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	HostApi::DeviceIterator HostApi::devicesBegin()
Chris@39: 	{
Chris@39: 		DeviceIterator tmp;
Chris@39: 		tmp.ptr_ = &devices_[0]; // begin (first element)
Chris@39: 		return tmp;
Chris@39: 	}
Chris@39: 
Chris@39: 	HostApi::DeviceIterator HostApi::devicesEnd()
Chris@39: 	{
Chris@39: 		DeviceIterator tmp;
Chris@39: 		tmp.ptr_ = &devices_[deviceCount()]; // end (one past last element)
Chris@39: 		return tmp;
Chris@39: 	}
Chris@39: 
Chris@39: 	// -----------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	Device &HostApi::defaultInputDevice() const
Chris@39: 	{
Chris@39: 		return System::instance().deviceByIndex(info_->defaultInputDevice);
Chris@39: 	}
Chris@39: 
Chris@39: 	Device &HostApi::defaultOutputDevice() const
Chris@39: 	{
Chris@39: 		return System::instance().deviceByIndex(info_->defaultOutputDevice);
Chris@39: 	}
Chris@39: 
Chris@39: 	// -----------------------------------------------------------------------------------
Chris@39: 
Chris@39: 	bool HostApi::operator==(const HostApi &rhs) const
Chris@39: 	{
Chris@39: 		return (typeId() == rhs.typeId());
Chris@39: 	}
Chris@39: 
Chris@39: 	bool HostApi::operator!=(const HostApi &rhs) const
Chris@39: 	{
Chris@39: 		return !(*this == rhs);
Chris@39: 	}
Chris@39: 
Chris@39: 	// -----------------------------------------------------------------------------------
Chris@39: 
Chris@39: } // namespace portaudio