private bool getXGMInfo(byte[] vgmBuf)
{
if (vgmBuf == null)
{
return(false);
}
try
{
if (common.getLE32(vgmBuf, 0) != FCC_XGM)
{
return(false);
}
for (uint i = 0; i < 63; i++)
{
sampleID[i] = new XGMSampleID();
sampleID[i].addr = (common.getLE16(vgmBuf, i * 4 + 4) * 256);
sampleID[i].size = (common.getLE16(vgmBuf, i * 4 + 6) * 256);
}
sampleDataBlockSize = common.getLE16(vgmBuf, 0x100);
versionInformation = vgmBuf[0x102];
dataInformation = vgmBuf[0x103];
isNTSC = (dataInformation & 0x1) == 0;
existGD3 = (dataInformation & 0x2) != 0;
multiTrackFile = (dataInformation & 0x4) != 0;
sampleDataBlockAddr = 0x104;
musicDataBlockSize = common.getLE32(vgmBuf, sampleDataBlockAddr + sampleDataBlockSize * 256);
musicDataBlockAddr = sampleDataBlockAddr + sampleDataBlockSize * 256 + 4;
gd3InfoStartAddr = musicDataBlockAddr + musicDataBlockSize;
GD3 = getGD3Info(vgmBuf);
if (musicDataBlockSize == 0)
{
return(false);
}
}
catch (Exception e)
{
log.Write(string.Format("XGMの情報取得中に例外発生 Message=[{0}] StackTrace=[{1}]", e.Message, e.StackTrace));
return(false);
}
return(true);
}
public void Stop(byte ChipID)
{
pcmExecDelta[ChipID] = 0.0;
DACEnable[ChipID] = 0;
ox2b = false;
for (int i = 0; i < 4; i++)
{
if (xgmpcm[ChipID][i] == null)
{
xgmpcm[ChipID][i] = new XGMPCM();
}
xgmpcm[ChipID][i].isPlaying = false;
}
for (int i = 0; i < 63; i++)
{
sampleID[ChipID][i] = new XGMSampleID();
}
}