172 lines
5.5 KiB
C
172 lines
5.5 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1997-2000 Microsoft Corporation All Rights Reserved
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
basewave.h
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
Definition of base wavecyclic and wavecyclic stream class.
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
#ifndef _MSVAD_BASEWAVE_H_
|
||
|
|
#define _MSVAD_BASEWAVE_H_
|
||
|
|
|
||
|
|
#include "savedata.h"
|
||
|
|
|
||
|
|
//=============================================================================
|
||
|
|
// Referenced Forward
|
||
|
|
//=============================================================================
|
||
|
|
void
|
||
|
|
TimerNotify
|
||
|
|
(
|
||
|
|
IN PKDPC Dpc,
|
||
|
|
IN PVOID DeferredContext,
|
||
|
|
IN PVOID SA1,
|
||
|
|
IN PVOID SA2
|
||
|
|
);
|
||
|
|
|
||
|
|
class CMiniportWaveCyclicStreamMSVAD;
|
||
|
|
typedef CMiniportWaveCyclicStreamMSVAD *PCMiniportWaveCyclicStreamMSVAD;
|
||
|
|
|
||
|
|
//=============================================================================
|
||
|
|
// Classes
|
||
|
|
//=============================================================================
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// CMiniportWaveCyclicMSVAD
|
||
|
|
// This is the common base class for all MSVAD samples. It implements basic
|
||
|
|
// functionality.
|
||
|
|
|
||
|
|
class CMiniportWaveCyclicMSVAD
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
PADAPTERCOMMON m_AdapterCommon; // Adapter common object
|
||
|
|
PPORTWAVECYCLIC m_Port; // Callback interface
|
||
|
|
PPCFILTER_DESCRIPTOR m_FilterDescriptor; // Filter descriptor
|
||
|
|
|
||
|
|
ULONG m_NotificationInterval; // milliseconds.
|
||
|
|
ULONG m_SamplingFrequency; // Frames per second.
|
||
|
|
|
||
|
|
PSERVICEGROUP m_ServiceGroup; // For notification.
|
||
|
|
KMUTEX m_SampleRateSync; // Sync for sample rate
|
||
|
|
|
||
|
|
ULONG m_MaxDmaBufferSize; // Dma buffer size.
|
||
|
|
|
||
|
|
// All the below members should be updated by the child classes
|
||
|
|
//
|
||
|
|
ULONG m_MaxOutputStreams; // Max stream caps
|
||
|
|
ULONG m_MaxInputStreams;
|
||
|
|
ULONG m_MaxTotalStreams;
|
||
|
|
|
||
|
|
ULONG m_MinChannels; // Format caps
|
||
|
|
ULONG m_MaxChannelsPcm;
|
||
|
|
ULONG m_MinBitsPerSamplePcm;
|
||
|
|
ULONG m_MaxBitsPerSamplePcm;
|
||
|
|
ULONG m_MinSampleRatePcm;
|
||
|
|
ULONG m_MaxSampleRatePcm;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
NTSTATUS ValidateFormat
|
||
|
|
(
|
||
|
|
IN PKSDATAFORMAT pDataFormat
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS ValidatePcm
|
||
|
|
(
|
||
|
|
IN PWAVEFORMATEX pWfx
|
||
|
|
);
|
||
|
|
|
||
|
|
public:
|
||
|
|
CMiniportWaveCyclicMSVAD();
|
||
|
|
~CMiniportWaveCyclicMSVAD();
|
||
|
|
|
||
|
|
STDMETHODIMP GetDescription
|
||
|
|
(
|
||
|
|
OUT PPCFILTER_DESCRIPTOR *Description
|
||
|
|
);
|
||
|
|
|
||
|
|
STDMETHODIMP Init
|
||
|
|
( IN PUNKNOWN UnknownAdapter,
|
||
|
|
IN PRESOURCELIST ResourceList,
|
||
|
|
IN PPORTWAVECYCLIC Port
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS PropertyHandlerCpuResources
|
||
|
|
(
|
||
|
|
IN PPCPROPERTY_REQUEST PropertyRequest
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS PropertyHandlerGeneric
|
||
|
|
(
|
||
|
|
IN PPCPROPERTY_REQUEST PropertyRequest
|
||
|
|
);
|
||
|
|
|
||
|
|
// Friends
|
||
|
|
friend class CMiniportWaveCyclicStreamMSVAD;
|
||
|
|
friend class CMiniportTopologyMSVAD;
|
||
|
|
friend void TimerNotify
|
||
|
|
(
|
||
|
|
IN PKDPC Dpc,
|
||
|
|
IN PVOID DeferredContext,
|
||
|
|
IN PVOID SA1,
|
||
|
|
IN PVOID SA2
|
||
|
|
);
|
||
|
|
};
|
||
|
|
typedef CMiniportWaveCyclicMSVAD *PCMiniportWaveCyclicMSVAD;
|
||
|
|
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// CMiniportWaveCyclicStreamMSVAD
|
||
|
|
// This is the common base class for all MSVAD samples. It implements basic
|
||
|
|
// functionality for wavecyclic streams.
|
||
|
|
|
||
|
|
class CMiniportWaveCyclicStreamMSVAD :
|
||
|
|
public IMiniportWaveCyclicStream,
|
||
|
|
public IDmaChannel
|
||
|
|
{
|
||
|
|
protected:
|
||
|
|
PCMiniportWaveCyclicMSVAD m_pMiniport; // Miniport that created us
|
||
|
|
BOOLEAN m_fCapture; // Capture or render.
|
||
|
|
BOOLEAN m_fFormat16Bit; // 16- or 8-bit samples.
|
||
|
|
BOOLEAN m_fFormatStereo; // Two or one channel.
|
||
|
|
KSSTATE m_ksState; // Stop, pause, run.
|
||
|
|
ULONG m_ulPin; // Pin Id.
|
||
|
|
|
||
|
|
PRKDPC m_pDpc; // Deferred procedure call object
|
||
|
|
PKTIMER m_pTimer; // Timer object
|
||
|
|
|
||
|
|
BOOLEAN m_fDmaActive; // Dma currently active?
|
||
|
|
ULONG m_ulDmaPosition; // Position in Dma
|
||
|
|
PVOID m_pvDmaBuffer; // Dma buffer pointer
|
||
|
|
ULONG m_ulDmaBufferSize; // Size of dma buffer
|
||
|
|
ULONG m_ulDmaMovementRate;// Rate of transfer specific to system
|
||
|
|
ULONGLONG m_ullDmaTimeStamp; // Dma time elasped
|
||
|
|
|
||
|
|
CSaveData m_SaveData; // Object to save settings.
|
||
|
|
|
||
|
|
public:
|
||
|
|
CMiniportWaveCyclicStreamMSVAD();
|
||
|
|
~CMiniportWaveCyclicStreamMSVAD();
|
||
|
|
|
||
|
|
IMP_IMiniportWaveCyclicStream;
|
||
|
|
IMP_IDmaChannel;
|
||
|
|
|
||
|
|
NTSTATUS Init
|
||
|
|
(
|
||
|
|
IN PCMiniportWaveCyclicMSVAD Miniport,
|
||
|
|
IN ULONG Pin,
|
||
|
|
IN BOOLEAN Capture,
|
||
|
|
IN PKSDATAFORMAT DataFormat
|
||
|
|
);
|
||
|
|
|
||
|
|
// Friends
|
||
|
|
friend class CMiniportWaveCyclicMSVAD;
|
||
|
|
};
|
||
|
|
typedef CMiniportWaveCyclicStreamMSVAD *PCMiniportWaveCyclicStreamMSVAD;
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|