prosperon/source/engine/sound/sound.h

55 lines
1.2 KiB
C

#ifndef SOUND_H
#define SOUND_H
#include "script.h"
#include "pthread.h"
typedef float soundbyte;
extern pthread_mutex_t soundrun;
struct dsp_node;
/* A bookmark into a wav, actually playing the sound */
typedef struct sound {
unsigned int frame; /* Pointing to the current frame on the wav */
struct pcm *data;
int loop;
} sound;
/* Represents a sound file source, fulled loaded*/
typedef struct pcm {
unsigned int ch;
unsigned int samplerate;
unsigned long long frames;
soundbyte *data;
} pcm;
void sound_init();
void audio_open(const char *device);
void audio_close();
struct pcm *make_pcm(const char *file);
void pcm_free(pcm *pcm);
void pcm_norm_gain(struct pcm *w, double lv);
void pcm_format(pcm *pcm, int samplerate, int channels);
struct dsp_node *dsp_source(pcm *pcm);
struct dsp_node *dsp_mod(const char *path);
int sound_finished(const struct sound *s);
float short2db(short val);
short db2short(float db);
short short_gain(short val, float db);
float fgain(float val, float db);
float float2db(float val);
float db2float(float db);
float pct2db(float pct);
float pct2mult(float pct);
void save_qoa(char *file, pcm *pcm);
void save_wav(char *file, pcm *pcm);
#endif