/* * $Id: pa_devs.c,v 1.2 2003/03/02 08:01:40 dmazzoni Exp $ * pa_devs.c * List available devices. * * Author: Phil Burk  http://www.softsynth.com * * This program uses the PortAudio Portable Audio Library. * For more information see: http://www.portaudio.com * Copyright (c) 1999-2000 Ross Bencina and Phil Burk * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files * (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, * publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * Any person wishing to distribute modifications to the Software is * requested to send the modifications to the original developer so that * they can be incorporated into the canonical version. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */#include <stdio.h>#include <math.h>#include "portaudio.h"/*******************************************************************/int main(void);int main(void){    int      i,j;    int      numDevices;    const    PaDeviceInfo *pdi;    PaError  err;    Pa_Initialize();    numDevices = Pa_CountDevices();    if( numDevices < 0 )    {        printf("ERROR: Pa_CountDevices returned 0x%x\n", numDevices );        err = numDevices;        goto error;    }    printf("Number of devices = %d\n", numDevices );    for( i=0; i<numDevices; i++ )    {        pdi = Pa_GetDeviceInfo( i );        printf("---------------------------------------------- #%d", i );        if( i == Pa_GetDefaultInputDeviceID() ) printf(" DefaultInput");        if( i == Pa_GetDefaultOutputDeviceID() ) printf(" DefaultOutput");        printf("\nName         = %s\n", pdi->name );        printf("Max Inputs   = %d", pdi->maxInputChannels  );        printf(", Max Outputs = %d\n", pdi->maxOutputChannels  );        if( pdi->numSampleRates == -1 )        {            printf("Sample Rate Range = %f to %f\n", pdi->sampleRates[0], pdi->sampleRates[1] );        }        else        {            printf("Sample Rates =");            for( j=0; j<pdi->numSampleRates; j++ )            {                printf(" %8.2f,", pdi->sampleRates[j] );            }            printf("\n");        }        printf("Native Sample Formats = ");        if( pdi->nativeSampleFormats & paInt8 )        printf("paInt8, ");        if( pdi->nativeSampleFormats & paUInt8 )       printf("paUInt8, ");        if( pdi->nativeSampleFormats & paInt16 )       printf("paInt16, ");        if( pdi->nativeSampleFormats & paInt32 )       printf("paInt32, ");        if( pdi->nativeSampleFormats & paFloat32 )     printf("paFloat32, ");        if( pdi->nativeSampleFormats & paInt24 )       printf("paInt24, ");        if( pdi->nativeSampleFormats & paPackedInt24 ) printf("paPackedInt24, ");        printf("\n");    }    Pa_Terminate();    printf("----------------------------------------------\n");    return 0;error:    Pa_Terminate();    fprintf( stderr, "An error occured while using the portaudio stream\n" );    fprintf( stderr, "Error number: %d\n", err );    fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );    return err;}