windows-nt/Source/XPSP1/NT/drivers/wdm/vbi/inc/nabtsfec.h

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//==========================================================================;
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE.
//
// Copyright (c) 1997 Microsoft Corporation. All Rights Reserved.
//
//
// History:
// 17-Nov-97 TKB Created Initial Interface Version
//
//==========================================================================;
#ifndef __NABTSFEC_H
#define __NABTSFEC_H
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <icodec.h>
#pragma warning(disable:4355)
//////////////////////////////////////////////////////////////
// INabtsFEC OutputPin:: Corrected Nabts Output Pin Interface
//////////////////////////////////////////////////////////////
class INabtsFECOutputPin : public IVBIOutputPin
{
// Usable public interfaces
public:
INabtsFECOutputPin(IKSDriver &driver, int nPin, PKSDATARANGE pKSDataRange ) :
IVBIOutputPin( driver, nPin, pKSDataRange, sizeof(VBICODECFILTERING_NABTS_SUBSTREAMS) ),
m_SubstreamsRequested(*this,KSPROPERTY_VBICODECFILTERING_SUBSTREAMS_REQUESTED_BIT_ARRAY,
sizeof(VBICODECFILTERING_NABTS_SUBSTREAMS) ),
m_SubstreamsDiscovered(*this,KSPROPERTY_VBICODECFILTERING_SUBSTREAMS_DISCOVERED_BIT_ARRAY,
sizeof(VBICODECFILTERING_NABTS_SUBSTREAMS) ),
m_Statistics(*this,KSPROPERTY_VBICODECFILTERING_STATISTICS,
sizeof(VBICODECFILTERING_STATISTICS_NABTS_PIN))
{}
// Pin specific properties (does not affect other pins)
ISubstreamsProperty m_SubstreamsRequested;
ISubstreamsProperty m_SubstreamsDiscovered;
IStatisticsProperty m_Statistics;
~INabtsFECOutputPin();
// Helper functions and internal data
protected:
};
//////////////////////////////////////////////////////////////
// INabtsFEC:: NABTS/FEC Codec Interface
//////////////////////////////////////////////////////////////
class INabtsFEC : public IVBICodec
{
// Usable public interfaces
public:
INabtsFEC();
~INabtsFEC();
// Call to make sure construction was successful
BOOL IsValid() { return IVBICodec::IsValid() && m_OutputPin.IsValid(); }
int AddRequestedGroup(int nField); // Adds _another_ NABTS group to the request list.
int ClearRequestedGroups(); // Use this to reset requested groups to none.
int GetDiscoveredGroups(VBICODECFILTERING_NABTS_SUBSTREAMS &GroupBitArray);
// Read functions (call "overlapped" at THREAD_PRIORITY_ABOVE_NORMAL to avoid data loss)
int ReadData( PNABTSFEC_BUFFER lpBuffer, int nBytes, DWORD *lpcbReturned, LPOVERLAPPED lpOS )
{ return m_OutputPin.ReadData( (LPBYTE)lpBuffer, nBytes, lpcbReturned, lpOS ); }
int GetOverlappedResult( LPOVERLAPPED lpOS, LPDWORD lpdwTransferred = NULL, BOOL bWait=TRUE )
{ return m_OutputPin.GetOverlappedResult(lpOS, lpdwTransferred, bWait ); }
// Statistics Property Control
int GetPinStatistics(VBICODECFILTERING_STATISTICS_NABTS_PIN &PinStatistics);
int SetPinStatistics(VBICODECFILTERING_STATISTICS_NABTS_PIN &PinStatistics);
// Statistics Property Control
int GetCodecStatistics(VBICODECFILTERING_STATISTICS_NABTS &CodecStatistics);
int SetCodecStatistics(VBICODECFILTERING_STATISTICS_NABTS &CodecStatistics);
// Additional driver global properties
IStatisticsProperty m_Statistics;
// Actual Pin instance [w/properties] (set by above to control filtering & to get discovered)
INabtsFECOutputPin m_OutputPin;
protected:
};
#pragma warning(default:4355)
#endif