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/******************************************/
/*
audioprobe.cpp
by Gary P. Scavone, 2001
Probe audio system and prints device info.
*/
/******************************************/
#include "RtAudio.h"
#include <iostream>
#include <map>
void usage( void ) {
// Error function in case of incorrect command-line
// argument specifications
std::cout << "\nuseage: audioprobe <apiname> <nRepeats>\n";
std::cout << " where apiname = an optional api (ex., 'core', default = all compiled),\n";
std::cout << " and nRepeats = an optional number of times to repeat the device query (default = 0),\n";
std::cout << " which can be used to test device (dis)connections.\n\n";
exit( 0 );
}
std::vector< RtAudio::Api > listApis()
{
std::vector< RtAudio::Api > apis;
RtAudio :: getCompiledApi( apis );
std::cout << "\nCompiled APIs:\n";
for ( size_t i=0; i<apis.size(); i++ )
std::cout << i << ". " << RtAudio::getApiDisplayName(apis[i])
<< " (" << RtAudio::getApiName(apis[i]) << ")" << std::endl;
return apis;
}
void listDevices( RtAudio& audio )
{
RtAudio::DeviceInfo info;
std::cout << "\nAPI: " << RtAudio::getApiDisplayName(audio.getCurrentApi()) << std::endl;
std::vector<unsigned int> devices = audio.getDeviceIds();
std::cout << "\nFound " << devices.size() << " device(s) ...\n";
for (unsigned int i=0; i<devices.size(); i++) {
info = audio.getDeviceInfo( devices[i] );
std::cout << "\nDevice Name = " << info.name << '\n';
std::cout << "Device Index = " << i << '\n';
std::cout << "Output Channels = " << info.outputChannels << '\n';
std::cout << "Input Channels = " << info.inputChannels << '\n';
std::cout << "Duplex Channels = " << info.duplexChannels << '\n';
if ( info.isDefaultOutput ) std::cout << "This is the default output device.\n";
else std::cout << "This is NOT the default output device.\n";
if ( info.isDefaultInput ) std::cout << "This is the default input device.\n";
else std::cout << "This is NOT the default input device.\n";
if ( info.nativeFormats == 0 )
std::cout << "No natively supported data formats(?)!";
else {
std::cout << "Natively supported data formats:\n";
if ( info.nativeFormats & RTAUDIO_SINT8 )
std::cout << " 8-bit int\n";
if ( info.nativeFormats & RTAUDIO_SINT16 )
std::cout << " 16-bit int\n";
if ( info.nativeFormats & RTAUDIO_SINT24 )
std::cout << " 24-bit int\n";
if ( info.nativeFormats & RTAUDIO_SINT32 )
std::cout << " 32-bit int\n";
if ( info.nativeFormats & RTAUDIO_FLOAT32 )
std::cout << " 32-bit float\n";
if ( info.nativeFormats & RTAUDIO_FLOAT64 )
std::cout << " 64-bit float\n";
}
if ( info.sampleRates.size() < 1 )
std::cout << "No supported sample rates found!";
else {
std::cout << "Supported sample rates = ";
for (unsigned int j=0; j<info.sampleRates.size(); j++)
std::cout << info.sampleRates[j] << " ";
}
std::cout << std::endl;
if ( info.preferredSampleRate == 0 )
std::cout << "No preferred sample rate found!" << std::endl;
else
std::cout << "Preferred sample rate = " << info.preferredSampleRate << std::endl;
}
}
int main(int argc, char *argv[])
{
std::cout << "\nRtAudio Version " << RtAudio::getVersion() << std::endl;
std::vector< RtAudio::Api > apis = listApis();
// minimal command-line checking
if (argc > 3 ) usage();
unsigned int nRepeats = 0;
if ( argc > 2 ) nRepeats = (unsigned int) atoi( argv[2] );
char input;
for ( size_t api=0; api < apis.size(); api++ ) {
if (argc < 2 || apis[api] == RtAudio::getCompiledApiByName(argv[1]) ) {
RtAudio audio(apis[api]);
for ( size_t n=0; n <= nRepeats; n++ ) {
listDevices(audio);
if ( n < nRepeats ) {
std::cout << std::endl;
std::cout << "\nWaiting ... press <enter> to repeat.\n";
std::cin.get(input);
}
}
}
}
return 0;
}
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