comparison src/portaudio_20161030_catalina_patch/bindings/cpp/example/devs.cxx @ 162:d43aab368df9

Duplicate for patch testing

+#include <iostream>
+#include "portaudiocpp/PortAudioCpp.hxx"
+
+#ifdef WIN32
+#include "portaudiocpp/AsioDeviceAdapter.hxx"
+#endif
+
+// ---------------------------------------------------------------------------------------
+
+void printSupportedStandardSampleRates(
+		const portaudio::DirectionSpecificStreamParameters &inputParameters, 
+		const portaudio::DirectionSpecificStreamParameters &outputParameters)
+{
+	static double STANDARD_SAMPLE_RATES[] = {
+		8000.0, 9600.0, 11025.0, 12000.0, 16000.0, 22050.0, 24000.0, 32000.0,
+		44100.0, 48000.0, 88200.0, 96000.0, -1 }; // negative terminated list
+
+	int printCount = 0;
+
+	for (int i = 0; STANDARD_SAMPLE_RATES[i] > 0; ++i)
+	{
+		portaudio::StreamParameters tmp = portaudio::StreamParameters(inputParameters, outputParameters, STANDARD_SAMPLE_RATES[i], 0, paNoFlag);
+
+		if (tmp.isSupported())
+		{
+			if (printCount == 0)
+			{
+				std::cout << "    " << STANDARD_SAMPLE_RATES[i]; // 8.2
+				printCount = 1;
+			}
+			else if (printCount == 4)
+			{
+				std::cout << "," << std::endl;
+				std::cout << "    " << STANDARD_SAMPLE_RATES[i]; // 8.2
+				printCount = 1;
+			}
+			else
+			{
+				std::cout << ", " << STANDARD_SAMPLE_RATES[i]; // 8.2
+				++printCount;
+			}
+		}
+	}
+
+	if (printCount == 0)
+		std::cout << "None" << std::endl;
+	else
+		std::cout << std::endl;
+}
+
+// ---------------------------------------------------------------------------------------
+
+int main(int, char*[]);
+int main(int, char*[])
+{
+	try
+	{
+		portaudio::AutoSystem autoSys;
+
+		portaudio::System &sys = portaudio::System::instance();
+
+		std::cout << "PortAudio version number = " << sys.version() << std::endl;
+		std::cout << "PortAudio version text = '" << sys.versionText() << "'" << std::endl;
+
+		int numDevices = sys.deviceCount();
+		std::cout << "Number of devices = " << numDevices << std::endl;
+
+		for (portaudio::System::DeviceIterator i = sys.devicesBegin(); i != sys.devicesEnd(); ++i)
+		{
+			std::cout << "--------------------------------------- device #" << (*i).index() << std::endl;
+
+			// Mark global and API specific default devices:
+			bool defaultDisplayed = false;
+
+			if ((*i).isSystemDefaultInputDevice())
+			{
+				std::cout << "[ Default Input";
+				defaultDisplayed = true;
+			}
+			else if ((*i).isHostApiDefaultInputDevice())
+			{
+				std::cout << "[ Default " << (*i).hostApi().name() << " Input";
+				defaultDisplayed = true;
+			}
+
+			if ((*i).isSystemDefaultOutputDevice())
+			{
+				std::cout << (defaultDisplayed ? "," : "[");
+				std::cout << " Default Output";
+				defaultDisplayed = true;
+			}
+			else if ((*i).isHostApiDefaultOutputDevice())
+			{
+				std::cout << (defaultDisplayed ? "," : "[");
+				std::cout << " Default " << (*i).hostApi().name() << " Output";
+				defaultDisplayed = true;
+			}
+			
+			if (defaultDisplayed)
+				std::cout << " ]" << std::endl;
+
+			// Print device info:
+			std::cout << "Name                        = " << (*i).name() << std::endl;
+			std::cout << "Host API                    = " << (*i).hostApi().name() << std::endl;
+			std::cout << "Max inputs = " << (*i).maxInputChannels() << ", Max outputs = " << (*i).maxOutputChannels() << std::endl;
+
+			std::cout << "Default low input latency   = " << (*i).defaultLowInputLatency() << std::endl; // 8.3
+			std::cout << "Default low output latency  = " << (*i).defaultLowOutputLatency() << std::endl; // 8.3
+			std::cout << "Default high input latency  = " << (*i).defaultHighInputLatency() << std::endl; // 8.3
+			std::cout << "Default high output latency = " << (*i).defaultHighOutputLatency() << std::endl; // 8.3
+
+#ifdef WIN32
+			// ASIO specific latency information:
+			if ((*i).hostApi().typeId() == paASIO)
+			{
+				portaudio::AsioDeviceAdapter asioDevice((*i));
+
+				std::cout << "ASIO minimum buffer size    = " << asioDevice.minBufferSize() << std::endl;
+				std::cout << "ASIO maximum buffer size    = " << asioDevice.maxBufferSize() << std::endl;
+				std::cout << "ASIO preferred buffer size  = " << asioDevice.preferredBufferSize() << std::endl;
+
+				if (asioDevice.granularity() == -1)
+					std::cout << "ASIO buffer granularity     = power of 2" << std::endl;
+				else
+					std::cout << "ASIO buffer granularity     = " << asioDevice.granularity() << std::endl;
+			}
+#endif // WIN32
+
+			std::cout << "Default sample rate         = " << (*i).defaultSampleRate() << std::endl; // 8.2
+
+			// Poll for standard sample rates:
+			portaudio::DirectionSpecificStreamParameters inputParameters((*i), (*i).maxInputChannels(), portaudio::INT16, true, 0.0, NULL);
+			portaudio::DirectionSpecificStreamParameters outputParameters((*i), (*i).maxOutputChannels(), portaudio::INT16, true, 0.0, NULL);
+
+			if (inputParameters.numChannels() > 0)
+			{
+				std::cout << "Supported standard sample rates" << std::endl;
+				std::cout << " for half-duplex 16 bit " << inputParameters.numChannels() << " channel input = " << std::endl;
+				printSupportedStandardSampleRates(inputParameters, portaudio::DirectionSpecificStreamParameters::null());
+			}
+
+			if (outputParameters.numChannels() > 0)
+			{
+				std::cout << "Supported standard sample rates" << std::endl;
+				std::cout << " for half-duplex 16 bit " << outputParameters.numChannels() << " channel output = " << std::endl;
+				printSupportedStandardSampleRates(portaudio::DirectionSpecificStreamParameters::null(), outputParameters);
+			}
+
+			if (inputParameters.numChannels() > 0 && outputParameters.numChannels() > 0)
+			{
+				std::cout << "Supported standard sample rates" << std::endl;
+				std::cout << " for full-duplex 16 bit " << inputParameters.numChannels() << " channel input, " << outputParameters.numChannels() << " channel output = " << std::endl;
+				printSupportedStandardSampleRates(inputParameters, outputParameters);
+			}
+		}
+
+		std::cout << "----------------------------------------------" << std::endl;
+	}
+	catch (const portaudio::PaException &e)
+	{
+		std::cout << "A PortAudio error occured: " << e.paErrorText() << std::endl;
+	}
+	catch (const portaudio::PaCppException &e)
+	{
+		std::cout << "A PortAudioCpp error occured: " << e.what() << std::endl;
+	}
+	catch (const std::exception &e)
+	{
+		std::cout << "A generic exception occured: " << e.what() << std::endl;
+	}
+	catch (...)
+	{
+		std::cout << "An unknown exception occured." << std::endl;
+	}
+
+	return 0;
+}