view test/testaudioinfo.c @ 5004:0c72ae7b7cb2

Added native atomic operations for Windows, Mac OS X, and gcc compiler intrinsics. Changed the CAS return value to bool, so it's efficient with OSAtomicCompareAndSwap32Barrier() Added an atomic test adapted from code by Michael Davidsaver
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 Jan 2011 15:16:39 -0800
parents 5ea5e4e6103f
children
line wrap: on
line source

#include <stdio.h>
#include "SDL.h"

static void
print_devices(int iscapture)
{
    const char *typestr = ((iscapture) ? "capture" : "output");
    int n = SDL_GetNumAudioDevices(iscapture);

    printf("%s devices:\n", typestr);

    if (n == -1)
        printf("  Driver can't detect specific devices.\n\n", typestr);
    else if (n == 0)
        printf("  No %s devices found.\n\n", typestr);
    else {
        int i;
        for (i = 0; i < n; i++) {
            printf("  %s\n", SDL_GetAudioDeviceName(i, iscapture));
        }
        printf("\n");
    }
}

int
main(int argc, char **argv)
{
    /* Load the SDL library */
    if (SDL_Init(SDL_INIT_AUDIO) < 0) {
        fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
        return (1);
    }

    /* Print available audio drivers */
    int n = SDL_GetNumAudioDrivers();
    if (n == 0) {
        printf("No built-in audio drivers\n\n");
    } else {
        int i;
        printf("Built-in audio drivers:\n");
        for (i = 0; i < n; ++i) {
            printf("  %s\n", SDL_GetAudioDriver(i));
        }
        printf("\n");
    }

    printf("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver());

    print_devices(0);
    print_devices(1);

    SDL_Quit();
    return 0;
}