Initial Commit

seal-hack/examples/example1.c

@@ -0,0 +1,67 @@
+/* example1.c - initialize and print device information */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <audio.h>
+
+#if defined(_MSC_VER) || defined(__BORLANDC__) || defined(__WATCOMC__) || defined(__DJGPP__)
+#include <conio.h>
+#else
+#define kbhit() 0
+#endif
+
+int main(void)
+{
+    AUDIOINFO info;
+    AUDIOCAPS caps;
+    UINT rc, nDevId;
+
+    /* initialize audio library */
+    AInitialize();
+
+    /* show registered device drivers */
+    printf("List of registered devices:\n");
+    for (nDevId = 0; nDevId < AGetAudioNumDevs(); nDevId++) {
+        AGetAudioDevCaps(nDevId, &caps);
+        printf("  %2d. %s\n", nDevId, caps.szProductName);
+    }
+    printf("\n");
+
+    /*
+     * NOTE: Here we can use any of the above devices, or we can
+     * use the virtual device AUDIO_DEVICE_MAPPER for detection.
+     */
+
+    /* open audio device */
+    info.nDeviceId = AUDIO_DEVICE_MAPPER;
+    info.wFormat = AUDIO_FORMAT_16BITS | AUDIO_FORMAT_STEREO;
+    info.nSampleRate = 44100;
+    if ((rc = AOpenAudio(&info)) != AUDIO_ERROR_NONE) {
+        CHAR szText[80];
+        AGetErrorText(rc, szText, sizeof(szText) - 1);
+        printf("ERROR: %s\n", szText);
+        exit(1);
+    }
+
+    /*
+     * NOTE: Since the audio device may not support the playback
+     * format and sampling frequency, the audio system uses the
+     * closest configuration which is then returned to the user
+     * in the AUDIOINFO structure.
+     *
+     */
+
+    /* print information */
+    AGetAudioDevCaps(info.nDeviceId, &caps);
+    printf("%s at %d-bit %s %u Hz detected\n",
+        caps.szProductName,
+        info.wFormat & AUDIO_FORMAT_16BITS ? 16 : 8,
+        info.wFormat & AUDIO_FORMAT_STEREO ? "stereo" : "mono",
+        info.nSampleRate);
+
+
+    /* close audio device */
+    ACloseAudio();
+    return 0;
+}