36 lines
836 B
C
36 lines
836 B
C
#include <audio.h>
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#include <stdio.h>
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int audioInit(AudioContext *aud) {
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SDL_AudioSpec spec;
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spec.freq = 41700;
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spec.format = AUDIO_S16;
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spec.channels = 2;
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spec.samples = 1024;
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spec.callback = NULL;
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spec.userdata = NULL;
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aud->id = SDL_OpenAudioDevice(NULL, 0, &spec, NULL, 0);
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aud->paused = true;
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if (!aud->id) {
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fprintf(stderr, "could not open audio device: %s\n", SDL_GetError());
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return -1;
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}
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return 0;
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}
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int audioUpdate(AudioContext *aud, void *data, uint32_t bytes) {
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if (!aud->id) return -1;
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if (SDL_QueueAudio(aud->id, data, bytes)) {
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fprintf(stderr, "could not write audio: %s\n", SDL_GetError());
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return -1;
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}
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if (aud->paused) {
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SDL_PauseAudioDevice(aud->id, false);
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aud->paused = false;
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}
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return 0;
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} |