148 lines
5 KiB
C
148 lines
5 KiB
C
/** @file patest_select_hostapis.c
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@ingroup test_src
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@brief Test of Pa_SelectHostApis
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@author Ross Bencina <[email protected]>
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*/
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/*
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* $Id$
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*
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* This program uses the PortAudio Portable Audio Library.
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* For more information see: http://www.portaudio.com/
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* Copyright (c) 1999-2016 Ross Bencina and Phil Burk
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* The text above constitutes the entire PortAudio license; however,
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* the PortAudio community also makes the following non-binding requests:
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*
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* Any person wishing to distribute modifications to the Software is
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* requested to send the modifications to the original developer so that
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* they can be incorporated into the canonical version. It is also
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* requested that these non-binding requests be included along with the
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* license above.
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*/
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#include <stdio.h>
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#include <assert.h>
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#include "portaudio.h"
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/*******************************************************************/
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int main(void);
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int main(void)
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{
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int i, j, k;
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int availableHostApiCount, scratchHostApiCount;
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#define MAX_HOST_API_COUNT 100
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PaHostApiTypeId availableHostApis[MAX_HOST_API_COUNT];
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PaHostApiTypeId scratchHostApis[MAX_HOST_API_COUNT];
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PaError err;
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availableHostApiCount = 0;
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err = Pa_GetAvailableHostApis( availableHostApis, MAX_HOST_API_COUNT, &availableHostApiCount );
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assert( err == paNoError );
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assert( availableHostApiCount > 0 );
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printf("available host api type ids:\n");
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for (i = 0; i < availableHostApiCount; ++i )
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{
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printf("%d\n", availableHostApis[i]);
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}
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err = Pa_Initialize();
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assert( err == paNoError );
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Pa_Terminate();
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/* excercise Pa_SelectHostApis and Pa_GetSelectedHostApis */
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/* each API in turn */
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for(i = 0; i < availableHostApiCount; ++i)
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{
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PaHostApiTypeId hostApiType = availableHostApis[i];
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printf("selecting api type %d\n", hostApiType);
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err = Pa_SelectHostApis(&hostApiType, 1);
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assert( err == paNoError );
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/* read back and verify selected apis*/
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err = Pa_GetSelectedHostApis( scratchHostApis, MAX_HOST_API_COUNT, &scratchHostApiCount );
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assert( err == paNoError );
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assert( scratchHostApiCount == 1 );
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assert( scratchHostApis[0] == hostApiType );
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err = Pa_Initialize();
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assert( err == paNoError );
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/* verify that all devices match the selected API */
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for(j = 0; j < Pa_GetDeviceCount(); ++j)
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{
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const PaDeviceInfo *deviceInfo = Pa_GetDeviceInfo(j);
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assert( deviceInfo != NULL );
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assert( Pa_GetHostApiInfo(deviceInfo->hostApi)->type == hostApiType );
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}
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Pa_Terminate();
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}
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/* i counts 1 .. n simultaneously selected APIs */
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for(i = 1; i < availableHostApiCount; ++i)
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{
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printf("selecting %d apis\n", i);
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err = Pa_SelectHostApis(availableHostApis, i);
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assert( err == paNoError );
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/* read back and verify selected apis*/
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err = Pa_GetSelectedHostApis( scratchHostApis, MAX_HOST_API_COUNT, &scratchHostApiCount );
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assert( err == paNoError );
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assert( scratchHostApiCount == i );
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for( j = 0; j < i; ++j )
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assert( scratchHostApis[j] == availableHostApis[j] );
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err = Pa_Initialize();
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assert( err == paNoError );
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/* verify that all devices match one of the selected APIs */
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for(j = 0; j < Pa_GetDeviceCount(); ++j)
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{
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const PaDeviceInfo *deviceInfo = Pa_GetDeviceInfo(j);
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assert( deviceInfo != NULL );
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/* search for whether the device's host API is one of the selected host APIs */
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err = paHostApiNotFound;
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for(k = 0; k < i; ++k)
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{
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PaHostApiTypeId hostApiType = availableHostApis[k];
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if( Pa_GetHostApiInfo(deviceInfo->hostApi)->type == hostApiType )
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{
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err = paNoError;
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break;
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}
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}
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assert( err != paHostApiNotFound );
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}
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Pa_Terminate();
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}
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}
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