townengine/src/private/audio.h

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2024-07-08 06:46:12 +00:00
#ifndef PRIVATE_AUDIO_H
#define PRIVATE_AUDIO_H
#include "../audio.h"
#include <SDL2/SDL_audio.h>
#define STB_VORBIS_HEADER_ONLY
#include <stb_vorbis.c>
#include <stdbool.h>
#include <stdint.h>
typedef enum audio_file_type {
audio_file_type_ogg,
audio_file_type_xm,
audio_file_type_count,
audio_file_type_unknown,
} t_audio_file_type;
union audio_context {
struct {
stb_vorbis *handle;
unsigned char *data;
int frequency;
uint8_t channel_count;
} vorbis;
};
struct audio_channel {
t_play_audio_args args;
enum audio_file_type file_type;
union audio_context context; /* interpreted by `file_type` value */
const char *path;
};
struct audio_channel_pair {
char *key;
struct audio_channel value;
};
void audio_callback(void *userdata, uint8_t *stream, int len);
#endif