/* * $Id: pa_devs.c,v 1.1.1.1.4.1 2003/02/11 21:41:32 philburk 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 #include #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; iname ); 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; jnumSampleRates; 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; }