40 lines
849 B
C
40 lines
849 B
C
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#include "../includes/audio.h"
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// Stocke les données à propos de la musique
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static double average;
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double averageMusic(void) { return average; }
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void callback(void *_, Uint8 *stream, int size) {
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int i = 0;
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double tmp = 0.;
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for (signed short *stream16 = (signed short *)stream; i < size / 2; ++i) {
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tmp += stream16[i] / ((1 << 15) - 1.);
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}
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average = fabs(tmp / i);
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}
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void initMusic(Mix_Music *music, const char *filename) {
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Mix_Init(MIX_INIT_MID);
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Mix_OpenAudio(44100, AUDIO_S16LSB, 2, 1024);
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music = Mix_LoadMUS(filename);
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Mix_VolumeMusic(MIX_MAX_VOLUME / 10);
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Mix_SetPostMix(callback, NULL);
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Mix_PlayMusic(music, 1);
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}
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void freeMusic(Mix_Music *music) {
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if (music) {
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if (Mix_PlayingMusic()) {
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Mix_HaltMusic();
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}
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Mix_FreeMusic(music);
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music = NULL;
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}
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Mix_CloseAudio();
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Mix_Quit();
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}
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