Atlas - testaudioinfo.c
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[FILE BEGIN]
1/*
2  Copyright (C) 1997-2018 Sam Lantinga <[email protected]>
3
4  This software is provided 'as-is', without any express or implied
5  warranty.  In no event will the authors be held liable for any damages
6  arising from the use of this software.
7
8  Permission is granted to anyone to use this software for any purpose,
9  including commercial applications, and to alter it and redistribute it
10  freely.
11*/
12#include <stdio.h>
13#include "SDL.h"
14
15static void
16print_devices(int iscapture)
17{
18    const char *typestr = ((iscapture) ? "capture" : "output");
19    int n = SDL_GetNumAudioDevices(iscapture);
20
21    SDL_Log("Found %d %s device%s:\n", n, typestr, n != 1 ? "s" : "");
22
23    if (n == -1)
24        SDL_Log("  Driver can't detect specific %s devices.\n\n", typestr);
25    else if (n == 0)
26        SDL_Log("  No %s devices found.\n\n", typestr);
27    else {
28        int i;
29        for (i = 0; i < n; i++) {
30            const char *name = SDL_GetAudioDeviceName(i, iscapture);
31            if (name != NULL)
32                SDL_Log("  %d: %s\n", i, name);
33            else
34                SDL_Log("  %d Error: %s\n", i, SDL_GetError());
35        }
36        SDL_Log("\n");
37    }
38}
39
40int
41main(int argc, char **argv)
42{
43    int n;
44
45    /* Enable standard application logging */
46    SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
47
48    /* Load the SDL library */
49    if (SDL_Init(SDL_INIT_AUDIO) < 0) {
50        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
51        return (1);
52    }
53
54    /* Print available audio drivers */
55    n = SDL_GetNumAudioDrivers();
56    if (n == 0) {
57        SDL_Log("No built-in audio drivers\n\n");
58    } else {
59        int i;
60        SDL_Log("Built-in audio drivers:\n");
61        for (i = 0; i < n; ++i) {
62            SDL_Log("  %d: %s\n", i, SDL_GetAudioDriver(i));
63        }
64        SDL_Log("Select a driver with the SDL_AUDIODRIVER environment variable.\n");
65    }
66
67    SDL_Log("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver());
68
69    print_devices(0);
70    print_devices(1);
71
72    SDL_Quit();
73    return 0;
74}
75
[FILE END]
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