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// HalWaveDevice.h: interface for the HalWaveDevice class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_HALWAVEDEVICE_H__6F31BA60_956B_11D4_BA01_005004612939__INCLUDED_)
#define AFX_HALWAVEDEVICE_H__6F31BA60_956B_11D4_BA01_005004612939__INCLUDED_
#include "Hal.h"
#include "HalDevice.h"
#include "HalRegister.h"
#include "HalEnv.h" // Added by ClassView
enum
{
ASIOMODE_OFF = 0,
ASIOMODE_PLAYRECORD,
ASIOMODE_PLAYONLY
};
class CHalWaveDevice:public CHalDevice
{
public:
CHalWaveDevice ()
{
}
~CHalWaveDevice ()
{
}
USHORT Open (PHALADAPTER pHalAdapter, ULONG ulDeviceNumber);
USHORT Close ();
USHORT Start ();
USHORT Stop ();
USHORT Service ();
BOOLEAN IsRecord ()
{
return (m_bIsRecord);
};
USHORT SetFormat (USHORT wFormatTag, LONG lChannels, LONG lSampleRate,
LONG lBitsPerSample, LONG lBlockAlign);
USHORT ValidateFormat (USHORT wFormatTag, LONG lChannels, LONG lSampleRate,
LONG lBitsPerSample, LONG lBlockAlign);
ULONG GetSampleFormat ()
{
return ((m_lBitsPerSample | (m_lNumChannels << 8)));
}
LONG GetBytesPerBlock ()
{
return (m_lBytesPerBlock);
};
LONG GetNumChannels ()
{
return (m_lNumChannels);
};
LONG GetSampleRate ()
{
return (m_lSampleRate);
};
LONG GetHWIndex (BOOLEAN bFromHardware = TRUE);
USHORT EnableSyncStart ();
USHORT DisableSyncStart ();
USHORT GetTransferSize (PULONG pulTransferSize,
PULONG pulCircularBufferSize);
USHORT TransferAudio (PVOID pBuffer, ULONG ulBufferSize,
PULONG pulBytesTransfered, LONG lPCIndex = -1L);
USHORT TransferAudio (PVOID pLeft, PVOID pRight, ULONG ulBufferSize,
LONG lPCIndex = -1L);
USHORT TransferComplete (LONG lBytesProcessed);
USHORT SetInterruptSamples (ULONG ulSampleCount);
ULONG GetBytesTransferred ()
{
return (m_ulBytesTransferred);
}
ULONG GetSamplesTransferred ()
{
return (m_ulSamplesTransferred);
}
ULONG GetOverrunCount ();
USHORT ZeroPosition (void);
USHORT GetSamplePosition (PULONG pulSamplePosition);
ULONGLONG GetBytePosition (void);
//ULONGLONG GetSamplesPlayed( void );
PHALREGISTER GetStreamControl ()
{
return (&m_RegStreamControl);
}
PHALREGISTER GetStreamStatus ()
{
return (&m_RegStreamStatus);
}
#ifdef DEBUG
VOID DebugPrintStatus (VOID);
#endif
VOID IncreaseOverrunCount (ULONG ulCount); // DAH Added 11/14/2011
// This must be public so HalDMA can access it
BOOLEAN m_bSyncStartEnabled;
protected:
USHORT PrepareForNonPCM (void);
USHORT PrepareForPCM (void);
// allow these member variables to be accessed by child classes (namely CHalWaveDMADevice)
BOOLEAN m_bIsRecord;
BOOLEAN m_bIsAES16e;
USHORT m_wFormatTag;
LONG m_lNumChannels;
LONG m_lSampleRate;
LONG m_lBitsPerSample;
LONG m_lBytesPerBlock;
ULONG m_ulOverrunCount; // can be changed in the interrupt service routine
CHalRegister m_RegStreamControl; // Stream Control Register
CHalRegister m_RegStreamStatus; // Stream Status
//PULONG m_pulPosLoReg;
//PULONG m_pulPosHiReg;
PHALMIXER m_pHalMixer;
USHORT m_usDstLine;
USHORT m_usSrcLine;
private:
// these member variables are completely private to this class
PULONG m_pAudioBuffer;
LONG m_lHWIndex; // Shadow of HW Index
LONG m_lPCIndex; // Shadow of PC Index
ULONG m_ulInterruptSamples;
ULONG m_ulBytesTransferred;
ULONG m_ulSamplesTransferred;
// for GetBytePosition
ULONGLONG m_ullBytePosition;
ULONG m_ulGBPEntryCount;
LONG m_lGBPLastHWIndex;
};
#endif // !defined(AFX_HALWAVEDEVICE_H__6F31BA60_956B_11D4_BA01_005004612939__INCLUDED_)
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