// // dmeport.h // // Emulation for MME drivers on NT // // Copyright (c) 1997-2000 Microsoft Corporation // #ifndef _DMEPORT_ #define _DMEPORT_ #include "..\shared\dmusiccp.h" #define SYSEX_SIZE 4096 #define SYSEX_BUFFERS 8 typedef HRESULT (*PORTENUMCB)( LPVOID pInstance, // @parm Callback instance data DMUS_PORTCAPS &dmpc, PORTTYPE pt, int idxDev, // @parm The WinMM or SysAudio device ID of this driver int idxPin, // @parm The Pin ID of the device or -1 if the device is a legacy device int idxNode, // @parm The node ID of the device's synth node (unused for legacy) HKEY hkPortsRoot); // @parm Where port information is stored in the registry extern HRESULT EnumLegacyDevices(CDirectMusic *pDM, PORTENUMCB pCB); extern HRESULT CreateCDirectMusicEmulatePort( PORTENTRY *pPE, CDirectMusic *pDM, DMUS_PORTPARAMS8 *pPortParams, IDirectMusicPort8 **pPort); extern HRESULT MMRESULTToHRESULT( MMRESULT mmr); struct QUEUED_SYSEX_EVENT : public QUEUED_EVENT { BYTE m_abRest[sizeof(MIDIHDR) + SYSEX_SIZE - sizeof(DWORD)]; }; #define EVENT_F_MIDIHDR 0x00000001 // This event starts with a MIDIHDR #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 // 10 ms in 100ns units // #define FIXED_LEGACY_LATENCY_OFFSET (10L * 10L * 1000L) struct DMQUEUEDEVENT { DMQUEUEDEVENT *m_pNext; DMEVENT m_event; LPBYTE m_pbEvent; }; 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 IDirectMusicPort8, 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 pdwBusses, IN DWORD cBussCount ); 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 StartVoice( DWORD dwVoiceId, DWORD dwChannel, DWORD dwChannelGroup, REFERENCE_TIME rtStart, DWORD dwDLId, LONG prPitch, LONG vrVolume, 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); virtual ~CDirectMusicEmulatePort(); virtual HRESULT Init(LPDMUS_PORTPARAMS pPortParams); virtual HRESULT LegacyCaps(ULONG ulId, BOOL fSet, LPVOID pbBuffer, PULONG cbBuffer) PURE; private: long m_cRef; IDirectMusicPortNotify *m_pNotify; DMUS_PORTCAPS m_dmpc; long m_lActivated; CEmulateLatencyClock *m_pLatencyClock; protected: CDirectMusic *m_pDM; UINT m_id; IReferenceClock *m_pMasterClock; private: static GENERICPROPERTY m_aProperty[]; static const int m_nProperty; static GENERICPROPERTY *FindPropertyItem(REFGUID rguid, ULONG ulId); private: HRESULT InitializeClock(); protected: virtual HRESULT ActivateLegacyDevice(BOOL fActivate) PURE; }; class CDirectMusicEmulateInPort : public CDirectMusicEmulatePort { friend static VOID CALLBACK midiInProc( HMIDIIN hMidiIn, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2); public: // Class // CDirectMusicEmulateInPort(PORTENTRY *pPE, CDirectMusic *pDM); ~CDirectMusicEmulateInPort(); HRESULT LegacyCaps(ULONG ulId, BOOL fSet, LPVOID pbBuffer, PULONG cbBuffer); HRESULT Init(LPDMUS_PORTPARAMS pPortParams); DWORD InputWorker(); STDMETHODIMP Close(); HRESULT ActivateLegacyDevice(BOOL fActivate); // IDirectMusicPort // STDMETHODIMP SetReadNotificationHandle(HANDLE hEvent); STDMETHODIMP Read(LPDIRECTMUSICBUFFER pBuffer); // IDirectMusicThru // STDMETHODIMP ThruChannel(DWORD dwSourceChannelGroup, DWORD dwSourceChannel, DWORD dwDestinationChannelGroup, DWORD dwDestinationChannel, LPDIRECTMUSICPORT pDestinationPort); private: HANDLE m_hAppEvent; EVENT_POOL m_FreeEvents; EVENT_QUEUE m_ReadEvents; IDirectMusicBuffer *m_pThruBuffer; LPDMUS_THRU_CHANNEL m_pThruMap; CRITICAL_SECTION m_csEventQueues; BOOL m_fCSInitialized; HMIDIIN m_hmi; REFERENCE_TIME m_rtStart; BOOL m_fFlushing; LONG m_lPendingSysExBuffers; QUEUED_SYSEX_EVENT m_SysExBuffers[SYSEX_BUFFERS]; // Clock sync stuff // bool m_fSyncToMaster; // Need to sync to master clock LONGLONG m_lTimeOffset; // Time difference LONGLONG m_lBaseTimeOffset; // Time difference when input is started IReferenceClock *m_pPCClock; // PortCls clock private: HRESULT PostSysExBuffers(); HRESULT FlushSysExBuffers(); void Callback(UINT wMsg, DWORD_PTR dwParam1, DWORD_PTR dwParam2); BOOL RecordShortEvent(DWORD_PTR dwMessage, REFERENCE_TIME rtTime); BOOL RecordSysEx(DWORD_PTR dwMessage, REFERENCE_TIME rtTime); void QueueEvent(QUEUED_EVENT *pEvent); void ThruEvent(DMEVENT *pEvent); // Clock sync stuff // void SyncClocks(); }; class CDirectMusicEmulateOutPort : public CDirectMusicEmulatePort { friend static VOID CALLBACK midiOutProc( HMIDIOUT hMidiOut, UINT wMsg, DWORD_PTR dwInstance, DWORD_PTR dwParam1, DWORD_PTR dwParam2); friend static VOID CALLBACK timerProc( UINT uTimerID, UINT uMsg, DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2); public: CDirectMusicEmulateOutPort(PORTENTRY *pPE, CDirectMusic *pDM); ~CDirectMusicEmulateOutPort(); HRESULT LegacyCaps(ULONG ulId, BOOL fSet, LPVOID pbBuffer, PULONG cbBuffer); HRESULT Init(LPDMUS_PORTPARAMS pPortParams); STDMETHODIMP Close(); HRESULT ActivateLegacyDevice(BOOL fActivate); private: STDMETHODIMP PlayBuffer(LPDIRECTMUSICBUFFER pBuffer); void Callback(UINT wMsg, DWORD_PTR dwParam1, DWORD_PTR dwParam2); void Timer(); void SetNextTimer(); private: HMIDIOUT m_hmo; CRITICAL_SECTION m_csPlayQueue; DMQUEUEDEVENT *m_pPlayQueue; CPool m_poolEvents; LONG m_lTimerId; BOOL m_fClosing; }; #endif