PlayStation Development Network

Code: Select all

...
eData newrDara;
eAudio newAud;
eReadCDFile("\\SND01.VAG;1", &newrDara);
while (eIsReadingCDData()) { ... }
eLoadAudio(&newrDara, &newAud);
eFreeData(&newrDara);
ePlayAudio(&newAud, SPU_0CH);
while (1) { ... }

Code: Select all

typedef struct {
	unsigned char* Address;
	unsigned long Length;
} eData;
typedef struct {
	unsigned long Address;
	unsigned long Length;
} eAudio;

int eRoundMult(int Number, int Factor) {
	return Number + Factor - 1 - (Number - 1) % Factor;
}

void eReadCDFile(char* FileName, eData* Data) {
	CdlFILE File;
    if (CdSearchFile(&File, FileName)) {
		Data->Length = File.size;
		Data->Address = (unsigned char*)malloc3(eRoundMult(Data->Length, 2048));
		CdReadFile(FileName, (unsigned long*)Data->Address, 0);
    }
}

int eIsReadingCDData() {
	return CdReadSync(1, NULL) > 0;
}

void eFreeData(eData* Data) {
	free3(Data->Address);
    Data->Length = 0;
}

#define E_MALLOC_MAX 3
char eSPUMallocRec[SPU_MALLOC_RECSIZ * (E_MALLOC_MAX + 1)];
SpuCommonAttr eCommonSPUAttr;
SpuVoiceAttr eVoiceSPUAttr;

void eInitAudio() {
	SpuInit();
	SpuInitMalloc(E_MALLOC_MAX, eSPUMallocRec);
	eCommonSPUAttr.mask = SPU_COMMON_MVOLL | SPU_COMMON_MVOLR;
	eCommonSPUAttr.mvol.left  = 0x3FFF;
	eCommonSPUAttr.mvol.right = 0x3FFF;
    SpuSetCommonAttr(&eCommonSPUAttr);
}

void eLoadAudio(eData* Data, eAudio* Audio) {
	SpuSetTransferMode(SpuTransByDMA);
	Audio->Address = SpuMalloc(Data->Length);
	SpuSetTransferStartAddr(Audio->Address);
	Audio->Length = SpuWrite(Data->Address, Data->Length);
	SpuIsTransferCompleted(SPU_TRANSFER_WAIT);
}

void ePlayAudio(eAudio* Audio, unsigned long Voice) {
	eVoiceSPUAttr.mask = SPU_VOICE_VOLL | SPU_VOICE_VOLR | SPU_VOICE_PITCH | SPU_VOICE_WDSA | SPU_VOICE_ADSR_AMODE | SPU_VOICE_ADSR_SMODE | SPU_VOICE_ADSR_RMODE | SPU_VOICE_ADSR_AR | SPU_VOICE_ADSR_DR | SPU_VOICE_ADSR_SR | SPU_VOICE_ADSR_RR | SPU_VOICE_ADSR_SL;
	eVoiceSPUAttr.voice = Voice;
	eVoiceSPUAttr.volume.left = 0x1FFF;
	eVoiceSPUAttr.volume.right = 0x1FFF;
	eVoiceSPUAttr.pitch = 0x1000;
	eVoiceSPUAttr.addr = Audio->Address;
	eVoiceSPUAttr.a_mode = SPU_VOICE_LINEARIncN;
	eVoiceSPUAttr.s_mode = SPU_VOICE_LINEARIncN;
	eVoiceSPUAttr.r_mode = SPU_VOICE_LINEARDecN;
	eVoiceSPUAttr.ar = 0x0;
	eVoiceSPUAttr.dr = 0x0;
	eVoiceSPUAttr.sr = 0x0;
	eVoiceSPUAttr.rr = 0x0;
	eVoiceSPUAttr.sl = 0xF;
	SpuSetVoiceAttr(&eVoiceSPUAttr);
	SpuSetKey(SPU_ON, Voice);
}