void LC3Sound::TimeProc(
UINT IDEvent, /* identifies timer event */
UINT uReserved, /* not used */
DWORD_PTR dwUser, /* application-defined instance data */
DWORD_PTR dwReserved1, /* not used */
DWORD_PTR dwReserved2 /* not used */
)
{
DWORD pos, posp;
static volatile int timersema=0;
/* use semaphore to prevent entering the mixing routines twice.. do we need this ? */
if(++timersema==1)
{
lpSwSamp->GetCurrentPosition( &pos, &posp);
{
if( !DirectSave( soundData))
{
memset(soundData, 0x80, BUFSIZE);
}
WriteDataToBuffer( lpSwSamp, 0, (unsigned char*) soundData, BUFSIZE);
}
}
timersema--;
}
//TODO: we should probably do something to prevent thread contention
static void CALLBACK TimeProc(
UINT IDEvent, /* identifies timer event */
UINT uReserved, /* not used */
DWORD_PTR dwUser, /* application-defined instance data */
DWORD_PTR dwReserved1, /* not used */
DWORD_PTR dwReserved2 /* not used */
)
{
DWORD pos, posp;
static volatile int timersema=0;
/* use semaphore to prevent entering the mixing routines twice.. do we need this ? */
if(++timersema==1)
{
MADDriverRec *WinMADDriver = (MADDriverRec*) dwUser;
if(WinMADDriver->Reading == false)
{
switch(WinMADDriver->DriverSettings.outPutBits)
{
case 8:
memset(WinMADDriver->currentBuf, 0x80, WinMADDriver->WIN95BUFFERSIZE);
break;
case 16:
memset(WinMADDriver->currentBuf, 0, WinMADDriver->WIN95BUFFERSIZE);
break;
}
}
WinMADDriver->lpSwSamp->lpVtbl->GetCurrentPosition(WinMADDriver->lpSwSamp, &pos, &posp);
if(pos > WinMADDriver->WIN95BUFFERSIZE/2 && WinMADDriver->OnOff == true)
{
WinMADDriver->OnOff = false;
if (!DirectSave(WinMADDriver->currentBuf, NULL, WinMADDriver))
{
switch(WinMADDriver->DriverSettings.outPutBits)
{
case 8:
memset(WinMADDriver->currentBuf, 0x80, WinMADDriver->WIN95BUFFERSIZE/2);
break;
case 16:
memset(WinMADDriver->currentBuf, 0, WinMADDriver->WIN95BUFFERSIZE/2);
break;
}
}
if (!WriteDataToBuffer(WinMADDriver->lpSwSamp, 0, (unsigned char*) WinMADDriver->currentBuf, WinMADDriver->WIN95BUFFERSIZE/2))
{
//DEBUG debugger("ERR");
}
}
else if (WinMADDriver->OnOff == false && (pos < WinMADDriver->WIN95BUFFERSIZE/2))
{
WinMADDriver->OnOff = true;
if (!DirectSave(WinMADDriver->currentBuf + WinMADDriver->WIN95BUFFERSIZE/2, NULL, WinMADDriver))
{
switch(WinMADDriver->DriverSettings.outPutBits)
{
case 8:
memset(WinMADDriver->currentBuf + WinMADDriver->WIN95BUFFERSIZE/2, 0x80, WinMADDriver->WIN95BUFFERSIZE/2);
break;
case 16:
memset(WinMADDriver->currentBuf + WinMADDriver->WIN95BUFFERSIZE/2, 0, WinMADDriver->WIN95BUFFERSIZE/2);
break;
}
}
if (!WriteDataToBuffer(WinMADDriver->lpSwSamp, WinMADDriver->WIN95BUFFERSIZE/2, (unsigned char*) (WinMADDriver->currentBuf + WinMADDriver->WIN95BUFFERSIZE/2), WinMADDriver->WIN95BUFFERSIZE/2))
{
//DEBUG debugger("ERR");
}
}
if (WinMADDriver->WIN95BUFFERSIZE - pos > 1700) WinMADDriver->OscilloWavePtr = WinMADDriver->currentBuf + pos;
else WinMADDriver->OscilloWavePtr = WinMADDriver->currentBuf;
}
timersema--;
}
