// OpenBSD
// cc -O2 -Wall -I /usr/local/include -L /usr/local/lib -lportaudio pa_test.c
// NetBSD (requires portaudio-devel)
// cc -O2 -Wall -I /usr/pkg/include/portaudio2 -L /usr/pkg/lib/portaudio2 -lportaudio pa_test.c
// LD_LIBRARY_PATH=/usr/pkg/lib/portaudio2 ./a.out

#include <stdio.h>
#include <stdlib.h>
#include <portaudio.h>

int main(int argc, char *argv[])
{
	int i;
	PaError err;
	PaHostApiIndex hostix;
	const PaHostApiInfo *hostinfo;
	PaDeviceIndex devix;
	const PaDeviceInfo *devinfo;

	err = Pa_Initialize();
	if (err < 0) {
		printf("Pa_Initialize %s\n", Pa_GetErrorText(err));
		goto fin0;
	}

	hostix = Pa_GetHostApiCount();
	if (hostix < 0) {
		printf("Pa_GetHostApiCount %s\n", Pa_GetErrorText(hostix));
		goto fin1;
	}

	for (i = 0; i < hostix; i++) {
		hostinfo = Pa_GetHostApiInfo(i);
		if (hostinfo == NULL)
			break;

		printf("PaHostApiIndex %d\n", i);
		printf("PaHostApiInfo.structVersion %d\n", hostinfo->structVersion);
		printf("PaHostApiInfo.type %d\n", hostinfo->type);
		printf("PaHostApiInfo.name %s\n", hostinfo->name);
		printf("PaHostApiInfo.deviceCount %d\n", hostinfo->deviceCount);
		printf("PaHostApiInfo.defaultInputDevice %d\n", hostinfo->defaultInputDevice);
		printf("PaHostApiInfo.defaultOutputDevice %d\n", hostinfo->defaultOutputDevice);
	}

	devix = Pa_GetDeviceCount();
	if (devix < 0) {
		printf("Pa_GetDeviceCount %s\n", Pa_GetErrorText(devix));
		goto fin1;
	}

	for (i = 0; i < devix; i++) {
		devinfo = Pa_GetDeviceInfo(i);
		if (devinfo == NULL)
			break;

		printf("PaDeviceIndex %d\n", i);
		printf("PaDeviceInfo.name %s\n", devinfo->name);
		printf("PaDeviceInfo.hostApi %d\n", devinfo->hostApi);
		printf("PaDeviceInfo.maxInputChannels %d\n", devinfo->maxInputChannels);
		printf("PaDeviceInfo.maxOutputChannels %d\n", devinfo->maxOutputChannels);
		printf("PaDeviceInfo.defaultLowInputLatency %f\n", devinfo->defaultLowInputLatency);
		printf("PaDeviceInfo.defaultHighInputLatency %f\n", devinfo->defaultHighInputLatency);
		printf("PaDeviceInfo.defaultLowOutputLatency %f\n", devinfo->defaultLowOutputLatency);
		printf("PaDeviceInfo.defaultHighOutputLatency %f\n", devinfo->defaultHighOutputLatency);
		printf("PaDeviceInfo.defaultSampleRate %f\n", devinfo->defaultSampleRate);
	}

fin1:
	err = Pa_Terminate();
	if (err < 0) {
		printf("Pa_Terminate %s\n", Pa_GetErrorText(err));
	}

fin0:
	return 0;
}