61 lines
1.0 KiB
C
61 lines
1.0 KiB
C
#ifndef TWN_AUDIO_C_H
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#define TWN_AUDIO_C_H
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#include "twn_audio.h"
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#include <SDL2/SDL_audio.h>
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#define STB_VORBIS_HEADER_ONLY
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#include <stb_vorbis.c>
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#include <xm.h>
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#include <stdbool.h>
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#include <stdint.h>
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#define AUDIO_FREQUENCY 48000
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typedef enum AudioFileType {
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AUDIO_FILE_TYPE_OGG,
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AUDIO_FILE_TYPE_XM,
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AUDIO_FILE_TYPE_COUNT,
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AUDIO_FILE_TYPE_UNKNOWN,
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} AudioFileType;
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union AudioContext {
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struct {
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stb_vorbis *handle;
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unsigned char *data;
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int frequency;
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uint8_t channel_count;
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} vorbis;
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struct {
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xm_context_t *handle;
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} xm;
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};
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typedef struct AudioChannel {
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AudioFileType file_type;
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union AudioContext context; /* interpreted by `file_type` value */
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const char *path;
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const char *name;
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bool repeat;
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float volume;
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float panning;
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} AudioChannel;
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typedef struct AudioChannelItem {
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char *key;
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struct AudioChannel value;
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} AudioChannelItem;
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void audio_callback(void *userdata, uint8_t *stream, int len);
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#endif
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