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// Copyright (c) 1998-1999 Microsoft Corporation
/*
* Internal function prototypes for DMusic32.dll */#ifndef _DM32P_
#define _DM32P_
#include "..\shared\dmusiccp.h"
#include "tpool.h"
#define THREAD_KILL_TIMEOUT 5000
#define THREAD_WORK_BUFFER_SIZE 4096
#define QWORD_ALIGN(x) (((x) + 7) & ~7)
#define MIDI_CHANNELS 16
/* DevIoctl.c - MMDEVLDR hooks we use
*/extern BOOL WINAPI OpenMMDEVLDR(void);extern VOID WINAPI CloseMMDEVLDR(void);extern VOID WINAPI CloseVxDHandle(DWORD hVxDHandle);
/* From Win32 kernel
*/extern "C" DWORD WINAPI OpenVxDHandle(HANDLE hEvent);
// 10 ms in 100ns units
//
#define FIXED_LEGACY_LATENCY_OFFSET (10L * 10L * 1000L)
class CEmulateLatencyClock : public IReferenceClock{public: // IUnknown
//
STDMETHODIMP QueryInterface(const IID &iid, void **ppv); STDMETHODIMP_(ULONG) AddRef(); STDMETHODIMP_(ULONG) Release();
// IReferenceClock
//
STDMETHODIMP GetTime(REFERENCE_TIME *pTime); STDMETHODIMP AdviseTime(REFERENCE_TIME baseTime, REFERENCE_TIME streamTime, HANDLE hEvent, DWORD * pdwAdviseCookie);
STDMETHODIMP AdvisePeriodic(REFERENCE_TIME startTime, REFERENCE_TIME periodTime, HANDLE hSemaphore, DWORD * pdwAdviseCookie);
STDMETHODIMP Unadvise(DWORD dwAdviseCookie);
// Class
//
CEmulateLatencyClock(IReferenceClock *pMasterClock); ~CEmulateLatencyClock();
void Close();
private: long m_cRef; IReferenceClock *m_pMasterClock;};
// Struct for holding a property item supported by the synth
//
class CDirectMusicEmulatePort;
typedef HRESULT (CDirectMusicEmulatePort::*GENPROPHANDLER)(ULONG ulId, BOOL fSet, LPVOID pbBuffer, PULONG cbBuffer);
#define GENPROP_F_STATIC 0x00000000
#define GENPROP_F_FNHANDLER 0x00000001
struct GENERICPROPERTY{ const GUID *pguidPropertySet; // What property set?
ULONG ulId; // What item?
ULONG ulSupported; // Get/Set flags for QuerySupported
ULONG ulFlags; // GENPROP_F_xxx
LPVOID pPropertyData; // Data to be returned
ULONG cbPropertyData; // and its size
GENPROPHANDLER pfnHandler; // Handler fn iff GENPROP_F_FNHANDLER
};
class CDirectMusicEmulatePort : public IDirectMusicPort, public IDirectMusicPortP, public IDirectMusicThru, public IDirectMusicPortPrivate, public IKsControl{public: // IUnknown
//
STDMETHODIMP QueryInterface(const IID &iid, void **ppv); STDMETHODIMP_(ULONG) AddRef(); STDMETHODIMP_(ULONG) Release();
// IDirectMusicPort
//
STDMETHODIMP PlayBuffer(LPDIRECTMUSICBUFFER pBuffer); STDMETHODIMP SetReadNotificationHandle(HANDLE hEvent); STDMETHODIMP Read(LPDIRECTMUSICBUFFER pBuffer); STDMETHODIMP DownloadInstrument(IDirectMusicInstrument*, IDirectMusicDownloadedInstrument**, DMUS_NOTERANGE*, DWORD); STDMETHODIMP UnloadInstrument(IDirectMusicDownloadedInstrument*); STDMETHODIMP GetLatencyClock(IReferenceClock **ppClock); STDMETHODIMP GetRunningStats(LPDMUS_SYNTHSTATS pStats); STDMETHODIMP Compact(); STDMETHODIMP GetCaps(LPDMUS_PORTCAPS pPortCaps); STDMETHODIMP DeviceIoControl(DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped); STDMETHODIMP SetNumChannelGroups(DWORD dwNumChannelGroups); STDMETHODIMP GetNumChannelGroups(LPDWORD pdwNumChannelGroups); STDMETHODIMP Activate(BOOL fActivate); STDMETHODIMP SetChannelPriority(DWORD dwChannelGroup, DWORD dwChannel, DWORD dwPriority); STDMETHODIMP GetChannelPriority(DWORD dwChannelGroup, DWORD dwChannel, LPDWORD pdwPriority); STDMETHODIMP SetDirectSound(LPDIRECTSOUND pDirectSound, LPDIRECTSOUNDBUFFER pDirectSoundBuffer); STDMETHODIMP GetFormat(LPWAVEFORMATEX pWaveFormatEx, LPDWORD pdwWaveFormatExSize, LPDWORD pdwBufferSize); // IDirectMusicThru
STDMETHODIMP ThruChannel(DWORD dwSourceChannelGroup, DWORD dwSourceChannel, DWORD dwDestinationChannelGroup, DWORD dwDestinationChannel, LPDIRECTMUSICPORT pDestinationPort); // IDirectMusicPortP
//
STDMETHODIMP DownloadWave( IN IDirectSoundWave *pWave, OUT IDirectSoundDownloadedWaveP **ppWave, IN REFERENCE_TIME rtStartHint ); STDMETHODIMP UnloadWave( IN IDirectSoundDownloadedWaveP *pWave ); STDMETHODIMP AllocVoice( IN IDirectSoundDownloadedWaveP *pWave, IN DWORD dwChannel, IN DWORD dwChannelGroup, IN REFERENCE_TIME rtStart, IN SAMPLE_TIME stLoopStart, IN SAMPLE_TIME stLoopEnd, OUT IDirectMusicVoiceP **ppVoice ); STDMETHODIMP AssignChannelToBuses( IN DWORD dwChannelGroup, IN DWORD dwChannel, IN LPDWORD pdwBuses, IN DWORD cBusCount ); STDMETHODIMP SetSink( IN IDirectSoundConnect *pSinkConnect );
STDMETHODIMP GetSink( IN IDirectSoundConnect **ppSinkConnect );
// IKsControl
STDMETHODIMP KsProperty( IN PKSPROPERTY Property, IN ULONG PropertyLength, IN OUT LPVOID PropertyData, IN ULONG DataLength, OUT PULONG BytesReturned ); STDMETHODIMP KsMethod( IN PKSMETHOD Method, IN ULONG MethodLength, IN OUT LPVOID MethodData, IN ULONG DataLength, OUT PULONG BytesReturned );
STDMETHODIMP KsEvent( IN PKSEVENT Event, IN ULONG EventLength, IN OUT LPVOID EventData, IN ULONG DataLength, OUT PULONG BytesReturned );
// IDirectMusicPortPrivate
STDMETHODIMP Close(); STDMETHODIMP Report(); STDMETHODIMP StartVoice( DWORD dwVoiceId, DWORD dwChannel, DWORD dwChannelGroup, REFERENCE_TIME rtStart, DWORD dwDLId, LONG prPitch, LONG veVolume, SAMPLE_TIME stVoiceStart, SAMPLE_TIME stLoopStart, SAMPLE_TIME stLoopEnd );
STDMETHODIMP StopVoice( DWORD dwVoiceID, REFERENCE_TIME rtStop ); STDMETHODIMP GetVoiceState( DWORD dwVoice[], DWORD cbVoice, DMUS_VOICE_STATE VoiceState[] ); STDMETHODIMP Refresh( DWORD dwDownloadID, DWORD dwFlags ); // Class
//
CDirectMusicEmulatePort(PORTENTRY *pPE, CDirectMusic *pDM); ~CDirectMusicEmulatePort(); HRESULT Init(LPDMUS_PORTPARAMS pPortParams);
HRESULT LegacyCaps(ULONG ulId, BOOL fSet, LPVOID pbBuffer, PULONG cbBuffer);
DWORD InputWorker(); DWORD TimerWorker();
private: long m_cRef; UINT m_id; BOOL m_fIsOutput; HANDLE m_hDevice; CDirectMusic *m_pDM; DWORD m_hVxDEvent; DMUS_PORTCAPS dmpc; IReferenceClock *m_pMasterClock; CEmulateLatencyClock *m_pLatencyClock; IDirectMusicPortNotify *m_pNotify; HANDLE m_hAppEvent; HANDLE m_hDataReady; HANDLE m_hKillThreads; HANDLE m_hCaptureThread; BYTE m_WorkBuffer[THREAD_WORK_BUFFER_SIZE]; DWORD m_dwWorkBufferTileInfo; DWORD m_p1616WorkBuffer; EVENT_POOL m_FreeEvents; EVENT_QUEUE m_ReadEvents; CRITICAL_SECTION m_csEventQueues; BOOL m_fCSInitialized; IDirectMusicBuffer *m_pThruBuffer; LPDMUS_THRU_CHANNEL m_pThruMap;
long m_lActivated; BOOL m_fSyncToMaster; LONGLONG m_lTimeOffset; private: static GENERICPROPERTY m_aProperty[]; static const int m_nProperty; static GENERICPROPERTY *FindPropertyItem(REFGUID rguid, ULONG ulId); private: HRESULT InitializeClock(); HRESULT InitializeCapture(); void InputWorkerDataReady(); void ThruEvent(DMEVENT *pEvent); void MasterToSlave(REFERENCE_TIME *prt); void SlaveToMaster(REFERENCE_TIME *prt); void SyncClocks();};
#endif
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