59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
#pragma once
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#include "../include/psx.h"
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#include "../include/macros.h"
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// XA
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// Sector offset for XA data 4: simple speed, 8: double speed
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#define XA_CHANNELS 8
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#define XA_CDSPEED (XA_CHANNELS >> VSYNC)
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// Number of XA samples ( != # of XA files )
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#define XA_TRACKS 2
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// VAG
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// Number of VAG files to load
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#define VAG_NBR 8
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#define MALLOC_MAX VAG_NBR // Max number of time we can call SpuMalloc
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// Custom struct to handle VAG files
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typedef struct VAGsound {
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u_char * VAGfile; // Pointer to VAG data address
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u_long spu_channel; // SPU voice to playback to
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u_long spu_address; // SPU address for memory freeing spu mem
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} VAGsound;
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typedef struct VAGbank {
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u_int index;
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VAGsound samples[];
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} VAGbank;
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// VAG header struct (see fileformat47.pdf, p.209)
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typedef struct VAGhdr { // All the values in this header must be big endian
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char id[4]; // VAGp 4 bytes -> 1 char * 4
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unsigned int version; // 4 bytes
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unsigned int reserved; // 4 bytes
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unsigned int dataSize; // (in bytes) 4 bytes
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unsigned int samplingFrequency;// 4 bytes
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char reserved2[12]; // 12 bytes -> 1 char * 12
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char name[16]; // 16 bytes -> 1 char * 16
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// Waveform data after that
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} VAGhdr;
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// XA
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typedef struct XAsound {
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u_int id;
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u_int size;
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u_char file, channel;
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u_int start, end;
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int cursor;
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} XAsound;
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typedef struct XAbank {
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u_int index;
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int offset;
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XAsound samples[];
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} XAbank;
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// VAG playback
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void initSnd(SpuCommonAttr * spuSettings, char * spu_malloc_rec);
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u_long sendVAGtoSPU(unsigned int VAG_data_size, u_char *VAG_data);
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void setVoiceAttr(SpuVoiceAttr * voiceAttributes, u_int pitch, long channel, u_long soundAddr );
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u_long setSPUtransfer(SpuVoiceAttr * voiceAttributes, VAGsound * sound);
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void playSFX(SpuVoiceAttr * voiceAttributes, VAGsound * sound);
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// XA playback
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void XAsetup(void);
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void setXAsample(XAsound * sound, CdlFILTER * filter);
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