view src/portaudio_20161030_catalina_patch/bindings/cpp/example/devs.cxx @ 83:ae30d91d2ffe

Replace these with versions built using an older toolset (so as to avoid ABI compatibilities when linking on Ubuntu 14.04 for packaging purposes)
author Chris Cannam
date Fri, 07 Feb 2020 11:51:13 +0000
parents 4edcd14160a5
children
line wrap: on
line source
#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;
}