3dcam-headers/include/sound.h

#pragma once
#include <psx.h>
#include <camera.h>
#include <math.h>
#include <macros.h>
// XA
// Sector offset for XA data 4: simple speed, 8: double speed
#define XA_CHANNELS 8
#define XA_CDSPEED (XA_CHANNELS >> VSYNC) * ONE
#define XA_RATE 380
// Number of XA samples ( != # of XA files )
#define XA_TRACKS 2
// SPU
#define MALLOC_MAX 48            // Max number of time we can call SpuMalloc
// VAG header struct (see fileformat47.pdf, p.209)
typedef struct VAGhdr {                // All the values in this header must be big endian
        char id[4];                    // VAGp         4 bytes -> 1 char * 4
        unsigned int version;          // 4 bytes
        unsigned int reserved;         // 4 bytes
        unsigned int dataSize;         // (in bytes) 4 bytes
        unsigned int samplingFrequency;// 4 bytes
        char  reserved2[12];           // 12 bytes -> 1 char * 12
        char  name[16];                // 16 bytes -> 1 char * 16
        // Waveform data after that
} VAGhdr;
// VAG playback
void initSnd(SpuCommonAttr * spuSettings, char * spu_malloc_rec, u_int mallocMax);
u_long sendVAGtoSPU(unsigned int VAG_data_size, u_char *VAG_data);
void setVoiceAttr(SpuVoiceAttr * voiceAttributes, u_int pitch, long channel, u_long soundAddr );
u_long setSPUtransfer(SpuVoiceAttr * voiceAttributes, VAGsound * sound);
void setVAGvolume(SpuVoiceAttr * voiceAttributes, VAGsound * sound, int volumeL,int volumeR);
void setLvlVAG(LEVEL * level, SpuCommonAttr * spuSettings, SpuVoiceAttr * voiceAttributes, char spu_malloc_rec[]);
void playSFX(SpuVoiceAttr * voiceAttributes, VAGsound *  sound, int volumeL, int volumeR );
void setSFXdist(LEVEL * level, CAMERA * camera, int camMode);
// XA playback
void XAsetup(void);
void getXAoffset(LEVEL * level);
void setXAsample(XAsound * sound, CdlFILTER * filter);
void setLvlXA(LEVEL * level, int sample);
void XAplayback(LEVEL * level, int sample, long dt);