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/* *************************************
* Includes
* *************************************/
#include "Sfx.h"
/* *************************************
* Defines
* *************************************/
#define MAX_VOLUME SPU_MAXVOL
#define SILENT 0
#define NUMBER_OF_VOICES 24
/* *************************************
* Local Prototypes
* *************************************/
/* *************************************
* Local Variables
* *************************************/
static uint8_t voiceIndex;
static uint16_t SfxGlobalVolumeReduction;
#ifndef NO_CDDA
static uint16_t SfxCddaVolumeReduction;
#endif // NO_CDDA
void SfxPlaySound(SsVag * sound)
{
if (sound->data_size != 0)
{
SsPlayVag(sound, sound->cur_voice, MAX_VOLUME - SfxGlobalVolumeReduction, MAX_VOLUME - SfxGlobalVolumeReduction);
}
}
bool SfxUploadSound(char* file_path, SsVag * vag)
{
static size_t SPUBytesUsed;
if (SystemLoadFile(file_path) == false)
{
return false;
}
if (voiceIndex < NUMBER_OF_VOICES)
{
SsReadVag(vag,SystemGetBufferAddress());
SsUploadVag(vag);
vag->cur_voice = voiceIndex;
voiceIndex++;
Serial_printf("SPU voices used = %d\n", voiceIndex);
SPUBytesUsed += vag->data_size;
if (SPUBytesUsed != 0)
{
enum
{
SPU_MAX_ALLOWED_BYTES = 512 * 1024 // 512 KBytes
};
uint16_t percentage = SPUBytesUsed * 100 / SPU_MAX_ALLOWED_BYTES;
dprintf("SPU usage: %d%%\n", percentage);
}
}
else
{
Serial_printf("Maximum number of SPU voices exceeded!\n");
return false; //Maximum voices exceeded
}
return true;
}
void SfxPlayTrack(MUSIC_TRACKS track)
{
#ifndef NO_CDDA
enum
{
CD_MAX_VOLUME = (uint16_t)0x7FFF
};
SsCdVol(CD_MAX_VOLUME - SfxCddaVolumeReduction,
CD_MAX_VOLUME - SfxCddaVolumeReduction);
SsEnableCd();
CdPlayTrack(track);
Serial_printf("Track number %d playing...\n",track);
#endif // NO_CDDA
}
void SfxStopMusic(void)
{
#ifndef NO_CDDA
uint16_t CDVol = 0x7FFF;
while (CDVol > 0x003F)
{
CDVol >>= 1;
SsCdVol(CDVol, CDVol);
}
CdSendCommand(CdlMute,0);
#endif // NO_CDDA
}
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