mirror of
https://github.com/cookiengineer/audacity
synced 2025-11-03 23:53:55 +01:00
100 lines
3.9 KiB
C
100 lines
3.9 KiB
C
/*
|
|
* $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;
|
|
}
|