68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/* example1.c - initialize and print device information */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <audio.h>
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#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__DJGPP__)
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#include <conio.h>
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#else
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#define kbhit() 0
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#endif
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int main(void)
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{
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AUDIOINFO info;
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AUDIOCAPS caps;
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UINT rc, nDevId;
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/* initialize audio library */
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AInitialize();
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/* show registered device drivers */
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printf("List of registered devices:\n");
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for (nDevId = 0; nDevId < AGetAudioNumDevs(); nDevId++) {
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AGetAudioDevCaps(nDevId, &caps);
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printf(" %2d. %s\n", nDevId, caps.szProductName);
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}
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printf("\n");
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/*
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* NOTE: Here we can use any of the above devices, or we can
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* use the virtual device AUDIO_DEVICE_MAPPER for detection.
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*/
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/* open audio device */
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info.nDeviceId = AUDIO_DEVICE_MAPPER;
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info.wFormat = AUDIO_FORMAT_16BITS | AUDIO_FORMAT_STEREO;
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info.nSampleRate = 44100;
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if ((rc = AOpenAudio(&info)) != AUDIO_ERROR_NONE) {
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CHAR szText[80];
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AGetErrorText(rc, szText, sizeof(szText) - 1);
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printf("ERROR: %s\n", szText);
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exit(1);
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}
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/*
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* NOTE: Since the audio device may not support the playback
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* format and sampling frequency, the audio system uses the
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* closest configuration which is then returned to the user
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* in the AUDIOINFO structure.
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*
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*/
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/* print information */
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AGetAudioDevCaps(info.nDeviceId, &caps);
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printf("%s at %d-bit %s %u Hz detected\n",
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caps.szProductName,
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info.wFormat & AUDIO_FORMAT_16BITS ? 16 : 8,
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info.wFormat & AUDIO_FORMAT_STEREO ? "stereo" : "mono",
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info.nSampleRate);
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/* close audio device */
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ACloseAudio();
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return 0;
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}
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