//-----------------------------------------------------------------------------
// Name: DPUtil_OpenSession()
// Desc: Wrapper for DirectPlay OpenSession API.
//-----------------------------------------------------------------------------
HRESULT DPUtil_OpenSession( GUID* pSessionGUID )
{
if( NULL == g_pDP)
return DPERR_NOINTERFACE;
DPSESSIONDESC2 dpDesc;
ZeroMemory( &dpDesc, sizeof(dpDesc) );
dpDesc.dwSize = sizeof(dpDesc);
if( g_bUseProtocol )
dpDesc.dwFlags = DPSESSION_DIRECTPLAYPROTOCOL;
// Set the session guid
if( pSessionGUID )
dpDesc.guidInstance = (*pSessionGUID);
// Set the application guid
dpDesc.guidApplication = g_AppGUID;
// Open it
HRESULT hr = g_pDP->Open( &dpDesc, DPOPEN_JOIN );
// Check for Async message support
if( SUCCEEDED(hr) )
CheckCaps();
return hr;
}
//-----------------------------------------------------------------------------
// Name: DPUtil_CreateSession()
// Desc: Wrapper for DirectPlay CreateSession API.Uses the global application
// guid.
//-----------------------------------------------------------------------------
HRESULT DPUtil_CreateSession( TCHAR* strSessionName )
{
if( NULL == g_pDP )
return DPERR_NOINTERFACE;
DPSESSIONDESC2 dpDesc;
ZeroMemory( &dpDesc, sizeof(dpDesc) );
dpDesc.dwSize = sizeof(dpDesc);
dpDesc.dwFlags = DPSESSION_MIGRATEHOST | DPSESSION_KEEPALIVE;
if( g_bUseProtocol )
dpDesc.dwFlags |= DPSESSION_DIRECTPLAYPROTOCOL;
#ifdef UNICODE
dpDesc.lpszSessionName = strSessionName;
#else
dpDesc.lpszSessionNameA = strSessionName;
#endif
// Set the application guid
dpDesc.guidApplication = g_AppGUID;
HRESULT hr = g_pDP->Open( &dpDesc, DPOPEN_CREATE );
// Check for Async message support
if( SUCCEEDED(hr) )
CheckCaps();
return hr;
}
void MIDIStreamer::Play(bool looping, int subsong)
{
DWORD tid;
EMidiDevice devtype;
m_Status = STATE_Stopped;
m_Looping = looping;
EndQueued = 0;
VolumeChanged = false;
Restarting = true;
InitialPlayback = true;
assert(MIDI == NULL);
devtype = SelectMIDIDevice(DeviceType);
if (DumpFilename.IsNotEmpty())
{
if (devtype == MDEV_GUS)
{
MIDI = new TimidityWaveWriterMIDIDevice(DumpFilename, 0);
}
}
else
{
MIDI = CreateMIDIDevice(devtype);
}
#ifndef _WIN32
assert(MIDI == NULL || MIDI->NeedThreadedCallback() == false);
#endif
if (MIDI == NULL || 0 != MIDI->Open(Callback, this))
{
Printf(PRINT_BOLD, "Could not open MIDI out device\n");
return;
}
SetMIDISubsong(subsong);
CheckCaps(MIDI->GetTechnology());
if (MIDI->Preprocess(this, looping))
{
StartPlayback();
if (MIDI == NULL)
{ // The MIDI file had no content and has been automatically closed.
return;
}
}
if (0 != MIDI->Resume())
{
Printf ("Starting MIDI playback failed\n");
Stop();
}
else
{
#ifdef _WIN32
if (MIDI->NeedThreadedCallback())
{
PlayerThread = CreateThread(NULL, 0, PlayerProc, this, 0, &tid);
if (PlayerThread == NULL)
{
Printf ("Creating MIDI thread failed\n");
Stop();
}
else
{
m_Status = STATE_Playing;
}
}
else
#endif
{
m_Status = STATE_Playing;
}
}
}
