/*****************************************************************************
* CSynth::Close()
*****************************************************************************
* Close down the synth:, silence it, delete the list of CControlLogic objects.
*/
HRESULT CSynth::Close()
{
::EnterCriticalSection(&m_CriticalSection);
AllNotesOff();
DWORD dwX;
for (dwX = 0; dwX < m_dwControlCount; dwX++)
{
if (m_ppControl[dwX])
{
delete m_ppControl[dwX];
}
}
m_dwControlCount = 0;
if (m_ppControl)
{
delete [] m_ppControl;
m_ppControl = NULL;
}
m_stLastStats = 0;
m_stLastTime = 0;
::LeaveCriticalSection(&m_CriticalSection);
return S_OK;
}
void MIDIDriver::AllNotesOff()
{
for ( int i = 0; i < 16; ++i )
{
AllNotesOff ( i );
}
}
static void midNotesOff(CSOUND *csound)
{
int chan = 0;
do {
AllNotesOff(csound, csound->m_chnbp[chan]);
} while (++chan < MAXCHAN);
}
void SynthGroupElement::AllSoundOff(UInt32 inFrame)
{
#if DEBUG_PRINT
printf("SynthGroupElement::AllSoundOff\n");
#endif
AllNotesOff(inFrame);
}
/*****************************************************************************
* CSynth::SetSampleRate()
*****************************************************************************
* Set the sample rate of the synth. This silences the synth. The SR is
* forwarded to the instrument manager.
*/
HRESULT CSynth::SetSampleRate(DWORD dwSampleRate)
{
HRESULT hr = S_OK;
::EnterCriticalSection(&m_CriticalSection);
AllNotesOff();
m_stLastTime *= dwSampleRate;
m_stLastTime /= m_dwSampleRate;
// m_stLastTime = MulDiv(m_stLastTime,dwSampleRate,m_dwSampleRate);
m_stLastStats = 0;
m_dwSampleRate = dwSampleRate;
m_stMinSpan = dwSampleRate / 100; // 10 ms.
m_stMaxSpan = (dwSampleRate + 19) / 20; // 50 ms.
::LeaveCriticalSection(&m_CriticalSection);
m_Instruments.SetSampleRate(dwSampleRate);
return hr;
}
/*****************************************************************************
* CSynth::Deactivate()
*****************************************************************************
* Gag the synth.
*/
HRESULT CSynth::Deactivate()
{
AllNotesOff();
return S_OK;
}
/*****************************************************************************
* CSynth::SetNumChannelGroups()
*****************************************************************************
* Set the number of channel groups (virtual MIDI cables). For each channel
* group, there is a separate CControlLogic object.
*/
HRESULT CSynth::SetNumChannelGroups(DWORD dwCableCount)
{
HRESULT hr = S_OK;
CControlLogic **ppControl;
if ((dwCableCount < 1) || (dwCableCount > MAX_CHANNEL_GROUPS))
{
return E_INVALIDARG;
}
::EnterCriticalSection(&m_CriticalSection);
if (m_dwControlCount != dwCableCount)
{
ppControl = new(NonPagedPool,'PSmD') CControlLogic *[dwCableCount]; // DmSP
if (ppControl)
{
DWORD dwX;
for (dwX = 0; dwX < dwCableCount; dwX++)
{
ppControl[dwX] = NULL;
}
if (m_dwControlCount < dwCableCount)
{
for (dwX = 0; dwX < m_dwControlCount; dwX++)
{
ppControl[dwX] = m_ppControl[dwX];
}
for (;dwX < dwCableCount; dwX++)
{
ppControl[dwX] = new(NonPagedPool,'CSmD') CControlLogic; // DmSC
if (ppControl[dwX])
{
hr = ppControl[dwX]->Init(&m_Instruments, this);
if (FAILED(hr))
{
delete ppControl[dwX];
ppControl[dwX] = NULL;
dwCableCount = dwX;
break;
}
ppControl[dwX]->SetGainAdjust(m_vrGainAdjust);
}
else
{
dwCableCount = dwX;
break;
}
}
}
else
{
AllNotesOff();
for (dwX = 0; dwX < dwCableCount; dwX++)
{
ppControl[dwX] = m_ppControl[dwX];
}
for (; dwX < m_dwControlCount; dwX++)
{
if (m_ppControl[dwX])
{
delete m_ppControl[dwX];
}
}
}
if (m_ppControl)
{
delete m_ppControl;
}
m_ppControl = ppControl;
m_dwControlCount = dwCableCount;
}
else
{
hr = E_OUTOFMEMORY;
}
}
::LeaveCriticalSection(&m_CriticalSection);
return hr;
}
//-----------------------------------------------------------------------------
void C700Driver::AllSoundOff()
{
AllNotesOff();
mDSP.ResetEcho();
}