Mercurial > sdl-ios-xcode
view test/testaudioinfo.c @ 3583:65f66674b7fb
Allocate memory only if we're going to overwrite an environment variable
author | Sam Lantinga <slouken@libsdl.org> |
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date | Wed, 16 Dec 2009 16:08:17 +0000 |
parents | 9de326b3099c |
children | 5ea5e4e6103f |
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#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) { /* 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"); } /* Load the SDL library */ if (SDL_Init(SDL_INIT_AUDIO) < 0) { fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); return (1); } printf("Using audio driver: %s\n\n", SDL_GetCurrentAudioDriver()); print_devices(0); print_devices(1); SDL_Quit(); return 0; }