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/* -*- c++ -*- */
/*
* Copyright 2006,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "portaudio_impl.h"
#include <portaudio.h>
#include <cstring>
namespace gr {
namespace audio {
PaDeviceIndex pa_find_device_by_name(const char* name)
{
int i;
int numDevices;
const PaDeviceInfo* pdi;
int len = strlen(name);
PaDeviceIndex result = paNoDevice;
numDevices = Pa_GetDeviceCount();
for (i = 0; i < numDevices; i++) {
pdi = Pa_GetDeviceInfo(i);
if (strncmp(name, pdi->name, len) == 0) {
result = i;
break;
}
}
return result;
}
void print_devices()
{
int numDevices, defaultDisplayed;
const PaDeviceInfo* deviceInfo;
numDevices = Pa_GetDeviceCount();
if (numDevices < 0)
return;
printf("Number of devices found = %d\n", numDevices);
for (int i = 0; i < numDevices; i++) {
deviceInfo = Pa_GetDeviceInfo(i);
printf("--------------------------------------- device #%d\n", i);
/* Mark global and API specific default devices */
defaultDisplayed = 0;
if (i == Pa_GetDefaultInputDevice()) {
printf("[ Default Input");
defaultDisplayed = 1;
} else if (i == Pa_GetHostApiInfo(deviceInfo->hostApi)->defaultInputDevice) {
const PaHostApiInfo* hostInfo = Pa_GetHostApiInfo(deviceInfo->hostApi);
printf("[ Default %s Input", hostInfo->name);
defaultDisplayed = 1;
}
if (i == Pa_GetDefaultOutputDevice()) {
printf((defaultDisplayed ? "," : "["));
printf(" Default Output");
defaultDisplayed = 1;
} else if (i == Pa_GetHostApiInfo(deviceInfo->hostApi)->defaultOutputDevice) {
const PaHostApiInfo* hostInfo = Pa_GetHostApiInfo(deviceInfo->hostApi);
printf((defaultDisplayed ? "," : "["));
printf(" Default %s Output", hostInfo->name);
defaultDisplayed = 1;
}
if (defaultDisplayed)
printf(" ]\n");
/* print device info fields */
printf("Name = %s\n", deviceInfo->name);
printf("Host API = %s\n",
Pa_GetHostApiInfo(deviceInfo->hostApi)->name);
printf("Max inputs = %d", deviceInfo->maxInputChannels);
printf(", Max outputs = %d\n", deviceInfo->maxOutputChannels);
printf("Default low input latency = %8.3f\n",
deviceInfo->defaultLowInputLatency);
printf("Default low output latency = %8.3f\n",
deviceInfo->defaultLowOutputLatency);
printf("Default high input latency = %8.3f\n",
deviceInfo->defaultHighInputLatency);
printf("Default high output latency = %8.3f\n",
deviceInfo->defaultHighOutputLatency);
}
}
} /* namespace audio */
} /* namespace gr */
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