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			75 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			75 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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  Copyright (C) 1997-2021 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely.
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*/
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#include <stdio.h>
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#include "SDL.h"
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static void
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print_devices(int iscapture)
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{
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    const char *typestr = ((iscapture) ? "capture" : "output");
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    int n = SDL_GetNumAudioDevices(iscapture);
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    SDL_Log("Found %d %s device%s:\n", n, typestr, n != 1 ? "s" : "");
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    if (n == -1)
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        SDL_Log("  Driver can't detect specific %s devices.\n\n", typestr);
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    else if (n == 0)
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        SDL_Log("  No %s devices found.\n\n", typestr);
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    else {
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        int i;
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        for (i = 0; i < n; i++) {
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            const char *name = SDL_GetAudioDeviceName(i, iscapture);
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            if (name != NULL)
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                SDL_Log("  %d: %s\n", i, name);
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            else
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                SDL_Log("  %d Error: %s\n", i, SDL_GetError());
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        }
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        SDL_Log("\n");
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    }
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}
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int
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main(int argc, char **argv)
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{
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    int n;
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    /* Enable standard application logging */
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    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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    /* Load the SDL library */
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    if (SDL_Init(SDL_INIT_AUDIO) < 0) {
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        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
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        return (1);
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    }
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    /* Print available audio drivers */
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    n = SDL_GetNumAudioDrivers();
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    if (n == 0) {
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        SDL_Log("No built-in audio drivers\n\n");
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    } else {
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        int i;
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        SDL_Log("Built-in audio drivers:\n");
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        for (i = 0; i < n; ++i) {
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            SDL_Log("  %d: %s\n", i, SDL_GetAudioDriver(i));
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        }
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        SDL_Log("Select a driver with the SDL_AUDIODRIVER environment variable.\n");
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    }
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    SDL_Log("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver());
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    print_devices(0);
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    print_devices(1);
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    SDL_Quit();
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    return 0;
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}
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