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