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annotate test/testaudioinfo.c @ 5167:97423d858a1a

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Added an intro to the features and goals of the 2D rendering API.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 03 Feb 2011 10:03:55 -0800
parents 5ea5e4e6103f
children
rev   line source
3338
9de326b3099c Fixed bug #817
Sam Lantinga <slouken@libsdl.org>
parents: 2060
diff changeset
1 #include <stdio.h>
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2 #include "SDL.h"
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3
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4 static void
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5 print_devices(int iscapture)
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6 {
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7 const char *typestr = ((iscapture) ? "capture" : "output");
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8 int n = SDL_GetNumAudioDevices(iscapture);
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9
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10 printf("%s devices:\n", typestr);
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11
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12 if (n == -1)
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13 printf(" Driver can't detect specific devices.\n\n", typestr);
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14 else if (n == 0)
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15 printf(" No %s devices found.\n\n", typestr);
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16 else {
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17 int i;
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18 for (i = 0; i < n; i++) {
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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19 printf(" %s\n", SDL_GetAudioDeviceName(i, iscapture));
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20 }
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21 printf("\n");
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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22 }
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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23 }
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24
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25 int
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26 main(int argc, char **argv)
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27 {
3635
5ea5e4e6103f Call SDL_Init() before SDL_GetNumAudioDrivers().
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28 /* Load the SDL library */
5ea5e4e6103f Call SDL_Init() before SDL_GetNumAudioDrivers().
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29 if (SDL_Init(SDL_INIT_AUDIO) < 0) {
5ea5e4e6103f Call SDL_Init() before SDL_GetNumAudioDrivers().
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30 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError());
5ea5e4e6103f Call SDL_Init() before SDL_GetNumAudioDrivers().
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31 return (1);
5ea5e4e6103f Call SDL_Init() before SDL_GetNumAudioDrivers().
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32 }
5ea5e4e6103f Call SDL_Init() before SDL_GetNumAudioDrivers().
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33
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34 /* Print available audio drivers */
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35 int n = SDL_GetNumAudioDrivers();
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36 if (n == 0) {
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37 printf("No built-in audio drivers\n\n");
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38 } else {
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39 int i;
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40 printf("Built-in audio drivers:\n");
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41 for (i = 0; i < n; ++i) {
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42 printf(" %s\n", SDL_GetAudioDriver(i));
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43 }
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44 printf("\n");
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45 }
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46
5f6550e5184f Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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47 printf("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver());
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48
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49 print_devices(0);
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50 print_devices(1);
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51
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52 SDL_Quit();
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53 return 0;
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54 }