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2210 lines
70 KiB
2210 lines
70 KiB
/////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (c) 1996, 1997 Microsoft Corporation
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//
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//
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// Module Name:
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// ipstream.c
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//
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// Abstract:
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//
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// This file is a test to find out if dual binding to NDIS and KS works
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//
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// Author:
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//
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// P Porzuczek
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//
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// Environment:
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//
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// Revision History:
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//
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef DWORD
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#define DWORD ULONG
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#endif
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#include <forward.h>
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#include <strmini.h>
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#include <ksmedia.h>
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#include <winerror.h>
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#include <link.h>
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#include <ipsink.h>
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#include <BdaTypes.h>
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#include <BdaMedia.h>
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#include "IpMedia.h"
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#include "StreamIP.h"
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#include "bdastream.h"
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#include "Main.h"
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#include "filter.h"
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#ifdef DEBUG
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#define SRB_TABLE_SIZE 1000
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PHW_STREAM_REQUEST_BLOCK SRBTable [SRB_TABLE_SIZE] = {0};
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//////////////////////////////////////////////////////////////////////////////
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void
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TraceSRB (
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PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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int i;
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PHW_STREAM_REQUEST_BLOCK *p = NULL;
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//
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// Find a NULL entry in the SRB Table
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//
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for (i = 0, p = SRBTable; i < SRB_TABLE_SIZE; i++, p++)
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{
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if (*p == NULL)
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{
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*p = pSRB;
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return;
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}
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}
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return;
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}
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//////////////////////////////////////////////////////////////////////////////
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VOID STREAMAPI
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MyStreamClassStreamNotification(
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IN STREAM_MINIDRIVER_STREAM_NOTIFICATION_TYPE NotificationType,
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IN PHW_STREAM_OBJECT StreamObject,
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PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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int i;
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PHW_STREAM_REQUEST_BLOCK *p = NULL;
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//
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// Find this SRB pointer in the SRB Table
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//
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for (i = 0, p = SRBTable; i < SRB_TABLE_SIZE; i++. p++)
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{
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if (*p == pSRB)
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{
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*p = NULL;
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}
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}
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StreamClassStreamNotification (NotificationType, StreamObject, pSrb );
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return;
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}
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//////////////////////////////////////////////////////////////////////////////
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void
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DumpSRBTable (
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void
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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int i;
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PHW_STREAM_REQUEST_BLOCK *p = NULL;
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//
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// Find this SRB pointer in the SRB Table
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//
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for (i = 0, p = SRBTable; i < SRB_TABLE_SIZE; i++. p++)
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{
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if (*p != NULL)
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{
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TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: ERROR....SRB NOT Completed %08X\n, *p"));
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}
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}
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return;
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}
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#define StreamNotification(a,b,c) MyStreamClassStreamNotification (a,b,c)
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#else
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#define StreamNotification(a,b,c) StreamClassStreamNotification (a,b,c)
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#define DumpSRBTable()
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#endif
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//////////////////////////////////////////////////////////////////////////////
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//
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//
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VOID
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DumpDataFormat (
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PKSDATAFORMAT pF
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);
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#ifdef DBG
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BOOLEAN fAllocatedDescription = FALSE;
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#endif // DBG
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//////////////////////////////////////////////////////////////////////////////
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VOID
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GetAdapterDescription (
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PIPSINK_FILTER pFilter
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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PKSEVENT_ENTRY pEventEntry = NULL;
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ASSERT( pFilter);
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if (!pFilter->pAdapter)
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{
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//$REVIEW - Should we return a failure code?
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return;
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}
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//
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// If we already got an adapter description then free it
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//
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if (pFilter->pAdapterDescription)
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{
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#if DBG
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ASSERT( fAllocatedDescription);
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#endif // DBG
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ExFreePool( pFilter->pAdapterDescription);
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pFilter->pAdapterDescription = NULL;
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pFilter->ulAdapterDescriptionLength = 0;
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}
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//
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// Get the length of the description string. This should include the terminating NULL in the count
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//
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pFilter->ulAdapterDescriptionLength = pFilter->pAdapter->lpVTable->GetDescription (pFilter->pAdapter, NULL);
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if (pFilter->ulAdapterDescriptionLength)
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{
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pFilter->pAdapterDescription = ExAllocatePool(NonPagedPool, pFilter->ulAdapterDescriptionLength);
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#ifdef DBG
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fAllocatedDescription = TRUE;
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#endif // DBG
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//
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// Get the adapter description string. This is passed up to the IPSINK
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// plugin, which then uses it to determine the NIC IP Address via calls to the
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// TCP/IP protocol. NOTE: This call should copy the description including the NULL terminator
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//
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if (pFilter->pAdapterDescription)
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{
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pFilter->pAdapter->lpVTable->GetDescription (pFilter->pAdapter, pFilter->pAdapterDescription);
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//
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// Signal the event to anyone waiting for it
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//
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pEventEntry = StreamClassGetNextEvent(
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pFilter,
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NULL,
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(GUID *) &IID_IBDA_IPSinkEvent,
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KSEVENT_IPSINK_ADAPTER_DESCRIPTION,
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NULL
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);
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if (pEventEntry)
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{
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StreamClassDeviceNotification (SignalDeviceEvent, pFilter, pEventEntry);
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}
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}
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}
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return;
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}
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//////////////////////////////////////////////////////////////////////////////
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VOID
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IPSinkGetConnectionProperty(
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PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
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PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
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ULONG Id = pSPD->Property->Id; // index of the property
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ULONG ulStreamNumber = pSrb->StreamObject->StreamNumber;
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pSrb->ActualBytesTransferred = 0;
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switch (Id)
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{
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case KSPROPERTY_CONNECTION_ALLOCATORFRAMING:
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{
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PKSALLOCATOR_FRAMING Framing = (PKSALLOCATOR_FRAMING) pSPD->PropertyInfo;
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Framing->RequirementsFlags = KSALLOCATOR_REQUIREMENTF_SYSTEM_MEMORY |
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KSALLOCATOR_REQUIREMENTF_INPLACE_MODIFIER |
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KSALLOCATOR_REQUIREMENTF_PREFERENCES_ONLY;
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Framing->PoolType = NonPagedPool;
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Framing->Frames = 0;
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Framing->FrameSize = 0;
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Framing->FileAlignment = 0; // None OR FILE_QUAD_ALIGNMENT-1 OR PAGE_SIZE-1;
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Framing->Reserved = 0;
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switch (ulStreamNumber)
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{
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case STREAM_IP:
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Framing->Frames = 16;
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Framing->FrameSize = pStream->OpenedFormat.SampleSize;
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pSrb->Status = STATUS_SUCCESS;
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break;
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case STREAM_NET_CONTROL:
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Framing->Frames = 4;
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Framing->FrameSize = pStream->OpenedFormat.SampleSize;
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pSrb->Status = STATUS_SUCCESS;
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break;
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default:
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pSrb->Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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pSrb->ActualBytesTransferred = sizeof (KSALLOCATOR_FRAMING);
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}
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break;
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default:
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pSrb->Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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return;
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}
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//////////////////////////////////////////////////////////////////////////////
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VOID
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IPSinkGetCodecProperty(
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PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
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ULONG Id = pSPD->Property->Id; // index of the property
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PIPSINK_FILTER pFilter = (PIPSINK_FILTER)pSrb->HwDeviceExtension;
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PVOID pProperty = (PVOID) pSPD->PropertyInfo;
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PULONG pPacketCount = NULL;
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PBYTE pMulticastList = NULL;
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PBYTE pDescription = NULL;
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PBYTE pAddress = NULL;
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pSrb->ActualBytesTransferred = 0;
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switch (Id)
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{
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case KSPROPERTY_IPSINK_MULTICASTLIST:
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//
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// Check if the output buffer is large enough to hold the multicast list
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//
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if (pSPD->PropertyOutputSize < pFilter->ulcbMulticastListEntries)
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{
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TEST_DEBUG (TEST_DBG_GET, ("STREAMIP: GET Multicast buffer too small. Buffer size needed: %08X\n", pFilter->ulcbMulticastListEntries));
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pSrb->ActualBytesTransferred = pFilter->ulcbMulticastListEntries;
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pSrb->Status = STATUS_MORE_ENTRIES;
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break;
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}
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pMulticastList = (PBYTE) pProperty;
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RtlCopyMemory (pMulticastList, pFilter->multicastList, pFilter->ulcbMulticastListEntries);
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TEST_DEBUG (TEST_DBG_GET, ("STREAMIP: GET Multicast property succeeded...Buffer size returned: %08X\n", pFilter->ulcbMulticastListEntries));
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pSrb->ActualBytesTransferred = pFilter->ulcbMulticastListEntries;
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pSrb->Status = STATUS_SUCCESS;
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break;
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case KSPROPERTY_IPSINK_ADAPTER_DESCRIPTION:
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//
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// Check to see if we actually have the data
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//
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if (pFilter->ulAdapterDescriptionLength == 0)
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{
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pSrb->ActualBytesTransferred = 0;
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pSrb->Status = STATUS_UNSUCCESSFUL;
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break;
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}
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//
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// Check if the output buffer is large enough to hold the adapter description string
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//
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if (pSPD->PropertyOutputSize < pFilter->ulAdapterDescriptionLength)
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{
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TEST_DEBUG (TEST_DBG_GET, ("STREAMIP: GET Adapter Description buffer too small. Buffer size needed: %08X\n", pFilter->ulAdapterDescriptionLength));
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pSrb->ActualBytesTransferred = pFilter->ulAdapterDescriptionLength;
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pSrb->Status = STATUS_MORE_ENTRIES;
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break;
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}
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pDescription = (PBYTE) pProperty;
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RtlCopyMemory (pDescription, pFilter->pAdapterDescription, pFilter->ulAdapterDescriptionLength);
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TEST_DEBUG (TEST_DBG_GET, ("STREAMIP: GET Adapter Description property succeeded...Buffer size returned: %08X\n", pFilter->ulAdapterDescriptionLength));
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pSrb->ActualBytesTransferred = pFilter->ulAdapterDescriptionLength;
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pSrb->Status = STATUS_SUCCESS;
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break;
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case KSPROPERTY_IPSINK_ADAPTER_ADDRESS:
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//
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// Check to see if we actually have the data
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//
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if (pFilter->ulAdapterAddressLength == 0)
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{
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pSrb->ActualBytesTransferred = 0;
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pSrb->Status = STATUS_UNSUCCESSFUL;
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break;
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}
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//
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// Check if the output buffer is large enough to hold the adapter address string
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//
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if (pSPD->PropertyOutputSize < pFilter->ulAdapterAddressLength)
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{
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TEST_DEBUG (TEST_DBG_GET, ("STREAMIP: GET Adapter Address buffer too small. Buffer size needed: %08X\n", pFilter->ulAdapterAddressLength));
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pSrb->ActualBytesTransferred = pFilter->ulAdapterAddressLength;
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pSrb->Status = STATUS_MORE_ENTRIES;
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break;
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}
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pAddress = (PBYTE) pProperty;
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RtlCopyMemory (pAddress, pFilter->pAdapterAddress, pFilter->ulAdapterAddressLength);
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TEST_DEBUG (TEST_DBG_GET, ("STREAMIP: GET Adapter Address property succeeded...Buffer size returned: %08X\n", pFilter->ulAdapterAddressLength));
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pSrb->ActualBytesTransferred = pFilter->ulAdapterAddressLength;
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pSrb->Status = STATUS_SUCCESS;
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break;
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default:
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pSrb->Status = STATUS_NOT_IMPLEMENTED;
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break;
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}
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return;
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}
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//////////////////////////////////////////////////////////////////////////////
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VOID
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IPSinkGetProperty (
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PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
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pSrb->Status = STATUS_SUCCESS;
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if (IsEqualGUID (&KSPROPSETID_Connection, &pSPD->Property->Set))
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{
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IPSinkGetConnectionProperty (pSrb);
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}
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else if (IsEqualGUID (&KSPROPSETID_Stream, &pSPD->Property->Set))
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{
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IPSinkGetConnectionProperty (pSrb);
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}
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else if (IsEqualGUID (&IID_IBDA_IPSinkControl, &pSPD->Property->Set))
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{
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IPSinkGetCodecProperty (pSrb);
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}
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else
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{
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pSrb->Status = STATUS_NOT_IMPLEMENTED;
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}
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return;
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}
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//////////////////////////////////////////////////////////////////////////////
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VOID
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IPSinkSetCodecProperty(
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PHW_STREAM_REQUEST_BLOCK pSrb
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)
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//////////////////////////////////////////////////////////////////////////////
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{
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PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
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ULONG Id = pSPD->Property->Id; // index of the property
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PIPSINK_FILTER pFilter = (PIPSINK_FILTER)pSrb->HwDeviceExtension;
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PVOID pProperty = (PVOID) pSPD->PropertyInfo;
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pSrb->ActualBytesTransferred = 0;
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|
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switch (Id)
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{
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case KSPROPERTY_IPSINK_ADAPTER_ADDRESS:
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pFilter->ulAdapterAddressLength = pSPD->PropertyOutputSize;
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|
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if (pFilter->pAdapterAddress != NULL)
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{
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ExFreePool (pFilter->pAdapterAddress);
|
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}
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|
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pFilter->pAdapterAddress = ExAllocatePool(NonPagedPool, pFilter->ulAdapterAddressLength);
|
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if (pFilter->pAdapterAddress == NULL)
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{
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pSrb->Status = STATUS_NO_MEMORY;
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break;
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}
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|
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RtlCopyMemory (pFilter->pAdapterAddress, pProperty, pFilter->ulAdapterAddressLength);
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|
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pSrb->Status = STATUS_SUCCESS;
|
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|
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break;
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|
|
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default:
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pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
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break;
|
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}
|
|
|
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return;
|
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}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
IPSinkSetProperty (
|
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PHW_STREAM_REQUEST_BLOCK pSrb
|
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)
|
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//////////////////////////////////////////////////////////////////////////////
|
|
{
|
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PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo;
|
|
|
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pSrb->Status = STATUS_SUCCESS;
|
|
|
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if (IsEqualGUID (&IID_IBDA_IPSinkControl, &pSPD->Property->Set))
|
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{
|
|
IPSinkSetCodecProperty (pSrb);
|
|
}
|
|
else
|
|
{
|
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pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
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return;
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOLEAN
|
|
LinkEstablished (
|
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PIPSINK_FILTER pFilter
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
return (pFilter->NdisLink.flags & LINK_ESTABLISHED);
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
NTSTATUS
|
|
LinkToNdisHandler (
|
|
PVOID pvContext
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
NTSTATUS ntStatus = STATUS_SUCCESS;
|
|
IPSINK_NDIS_COMMAND Cmd = {0};
|
|
PIPSINK_FILTER pFilter = (PIPSINK_FILTER) pvContext;
|
|
UNICODE_STRING DriverName;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Linking to Ndis....\n"));
|
|
|
|
if ( (pFilter->NdisLink.flags & LINK_ESTABLISHED)
|
|
&& pFilter->pAdapter
|
|
)
|
|
{
|
|
// Link already established.
|
|
//
|
|
return ntStatus;
|
|
}
|
|
|
|
//
|
|
// Initialize a Unicode string to the NDIS driver's name
|
|
//
|
|
RtlInitUnicodeString(&DriverName, BDA_NDIS_MINIPORT);
|
|
|
|
if (OpenLink (&pFilter->NdisLink, DriverName))
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Driver Link Established\n"));
|
|
|
|
//
|
|
// Get the NDIS VTable via a read over the link
|
|
//
|
|
Cmd.ulCommandID = CMD_QUERY_INTERFACE;
|
|
Cmd.Parameter.Query.pStreamAdapter = (PVOID) pFilter;
|
|
Cmd.Parameter.Query.pNdisAdapter = NULL;
|
|
|
|
ntStatus = SendIOCTL( &pFilter->NdisLink,
|
|
IOCTL_GET_INTERFACE,
|
|
&Cmd,
|
|
sizeof( IPSINK_NDIS_COMMAND)
|
|
);
|
|
if (!FAILED( ntStatus))
|
|
{
|
|
if (Cmd.Parameter.Query.pNdisAdapter)
|
|
{
|
|
// Get the adapter object.
|
|
//
|
|
pFilter->pAdapter = (PVOID) Cmd.Parameter.Query.pNdisAdapter;
|
|
|
|
// Increment the reference count on this object
|
|
//
|
|
//$REVIEW - Shoutn't the IOCTL_GET_INTERFACE return a
|
|
//$REVIEW - reference?
|
|
//
|
|
pFilter->pAdapter->lpVTable->AddRef( pFilter->pAdapter);
|
|
}
|
|
else
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: IOCTL_GET_INTERFACE didn't return an adapter.\n"));
|
|
ntStatus = STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: IOCTL_GET_INTERFACE failed.\n"));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Link cannot be established\n"));
|
|
ntStatus = STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
// Make sure the link is closed on failure.
|
|
//
|
|
if (FAILED( ntStatus))
|
|
{
|
|
CloseLink( &pFilter->NdisLink);
|
|
}
|
|
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Driver Link NOT Established\n"));
|
|
return ntStatus;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
NTSTATUS
|
|
StreamDriverInitialize (
|
|
IN PDRIVER_OBJECT DriverObject,
|
|
IN PUNICODE_STRING RegistryPath
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
NTSTATUS ntStatus = STATUS_SUCCESS;
|
|
HW_INITIALIZATION_DATA HwInitData;
|
|
UNICODE_STRING DeviceNameString;
|
|
UNICODE_STRING SymbolicNameString;
|
|
|
|
RtlZeroMemory(&HwInitData, sizeof(HwInitData));
|
|
HwInitData.HwInitializationDataSize = sizeof(HwInitData);
|
|
|
|
|
|
////////////////////////////////////////////////////////////////
|
|
//
|
|
// Setup the stream class dispatch table
|
|
//
|
|
HwInitData.HwInterrupt = NULL; // HwInterrupt is only for HW devices
|
|
|
|
HwInitData.HwReceivePacket = CodecReceivePacket;
|
|
HwInitData.HwCancelPacket = CodecCancelPacket;
|
|
HwInitData.HwRequestTimeoutHandler = CodecTimeoutPacket;
|
|
|
|
HwInitData.DeviceExtensionSize = sizeof(IPSINK_FILTER);
|
|
HwInitData.PerRequestExtensionSize = sizeof(SRB_EXTENSION);
|
|
HwInitData.FilterInstanceExtensionSize = 0;
|
|
HwInitData.PerStreamExtensionSize = sizeof(STREAM);
|
|
HwInitData.BusMasterDMA = FALSE;
|
|
HwInitData.Dma24BitAddresses = FALSE;
|
|
HwInitData.BufferAlignment = 3;
|
|
HwInitData.TurnOffSynchronization = TRUE;
|
|
HwInitData.DmaBufferSize = 0;
|
|
|
|
|
|
ntStatus = StreamClassRegisterAdapter (DriverObject, RegistryPath, &HwInitData);
|
|
if (ntStatus != STATUS_SUCCESS)
|
|
{
|
|
goto ret;
|
|
}
|
|
|
|
ret:
|
|
|
|
return ntStatus;
|
|
}
|
|
|
|
|
|
//
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOLEAN
|
|
CodecInitialize (
|
|
IN OUT PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
NTSTATUS ntStatus = STATUS_SUCCESS;
|
|
BOOLEAN bStatus = FALSE;
|
|
PPORT_CONFIGURATION_INFORMATION pConfigInfo = pSrb->CommandData.ConfigInfo;
|
|
PIPSINK_FILTER pFilter = (PIPSINK_FILTER) pConfigInfo->HwDeviceExtension;
|
|
|
|
//
|
|
// Define the default return codes
|
|
//
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
bStatus = TRUE;
|
|
|
|
//
|
|
// Initialize Statistics block
|
|
//
|
|
RtlZeroMemory(&pFilter->Stats, sizeof (STATS));
|
|
|
|
//
|
|
// Initialize members
|
|
//
|
|
pFilter->pAdapterDescription = NULL;
|
|
pFilter->ulAdapterDescriptionLength = 0;
|
|
|
|
|
|
//
|
|
// Check out init flag so we don't try to init more then once. The Streaming
|
|
// Class driver appears to call the init handler several times for some reason.
|
|
//
|
|
if (pFilter->bInitializationComplete)
|
|
{
|
|
goto ret;
|
|
}
|
|
|
|
pFilter->NdisLink.flags = 0;
|
|
|
|
|
|
if (pConfigInfo->NumberOfAccessRanges == 0)
|
|
{
|
|
pConfigInfo->StreamDescriptorSize = sizeof (HW_STREAM_HEADER) +
|
|
DRIVER_STREAM_COUNT * sizeof (HW_STREAM_INFORMATION);
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_NO_SUCH_DEVICE;
|
|
bStatus = FALSE;
|
|
goto ret;
|
|
}
|
|
|
|
|
|
//
|
|
// Create a filter object to represent our context
|
|
//
|
|
pSrb->Status = CreateFilter (pConfigInfo->ClassDeviceObject->DriverObject, pConfigInfo->ClassDeviceObject, pFilter);
|
|
if (pSrb->Status != STATUS_SUCCESS)
|
|
{
|
|
bStatus = FALSE;
|
|
goto ret;
|
|
}
|
|
|
|
|
|
//
|
|
// Start up a timer to poll until the NDIS driver loads
|
|
//
|
|
//IoInitializeTimer (pFilter->DeviceObject, LinkToNdisTimer, pFilter);
|
|
|
|
//IoStartTimer (pFilter->DeviceObject);
|
|
|
|
pFilter->bInitializationComplete = TRUE;
|
|
|
|
ret:
|
|
|
|
return (bStatus);
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOLEAN
|
|
CodecUnInitialize (
|
|
IN OUT PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
NTSTATUS ntStatus = STATUS_SUCCESS;
|
|
BOOLEAN bStatus = FALSE;
|
|
PPORT_CONFIGURATION_INFORMATION pConfigInfo = pSrb->CommandData.ConfigInfo;
|
|
PIPSINK_FILTER pFilter = ((PIPSINK_FILTER)pSrb->HwDeviceExtension);
|
|
PSTREAM pStream = NULL;
|
|
KIRQL Irql;
|
|
|
|
//
|
|
// Close our link to the NDIS component
|
|
//
|
|
KeAcquireSpinLock (&pFilter->AdapterSRBSpinLock, &Irql);
|
|
|
|
//
|
|
// Call adapter close link to give the adapter a chance to release its
|
|
// reference to the filter
|
|
//
|
|
if (pFilter->pAdapter)
|
|
{
|
|
if (pFilter->pAdapter->lpVTable->CloseLink)
|
|
{
|
|
pFilter->pAdapter->lpVTable->CloseLink( pFilter->pAdapter);
|
|
}
|
|
|
|
pFilter->pAdapter = NULL;
|
|
}
|
|
|
|
// Free the IP Sink NDIS Adapter's description
|
|
//
|
|
if (pFilter->pAdapterDescription)
|
|
{
|
|
ExFreePool( pFilter->pAdapterDescription);
|
|
pFilter->pAdapterDescription = NULL;
|
|
pFilter->ulAdapterDescriptionLength = 0;
|
|
}
|
|
|
|
KeReleaseSpinLock (&pFilter->AdapterSRBSpinLock, Irql);
|
|
|
|
// The call to CloseLink can only be made at PASSIVE_LEVEL and
|
|
// therefore must be outside the spinlock.
|
|
//
|
|
CloseLink( &pFilter->NdisLink);
|
|
|
|
|
|
if (pSrb->StreamObject != NULL)
|
|
{
|
|
pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
|
}
|
|
|
|
if (pStream)
|
|
{
|
|
//
|
|
// Clean up any queues we have and complete any outstanding SRB's
|
|
//
|
|
while (QueueRemove (&pSrb, &pStream->StreamDataSpinLock, &pStream->StreamDataQueue))
|
|
{
|
|
pSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
}
|
|
|
|
|
|
while (QueueRemove (&pSrb, &pStream->StreamControlSpinLock, &pStream->StreamControlQueue))
|
|
{
|
|
pSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
}
|
|
|
|
}
|
|
|
|
while (QueueRemove (&pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue))
|
|
{
|
|
pSrb->Status = STATUS_CANCELLED;
|
|
StreamClassDeviceNotification (DeviceRequestComplete, pSrb->StreamObject, pSrb);
|
|
}
|
|
|
|
|
|
bStatus = TRUE;
|
|
|
|
return (bStatus);
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
CodecStreamInfo (
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
int j;
|
|
|
|
PIPSINK_FILTER pFilter =
|
|
((PIPSINK_FILTER)pSrb->HwDeviceExtension);
|
|
|
|
//
|
|
// pick up the pointer to header which preceeds the stream info structs
|
|
//
|
|
PHW_STREAM_HEADER pstrhdr =
|
|
(PHW_STREAM_HEADER)&(pSrb->CommandData.StreamBuffer->StreamHeader);
|
|
|
|
//
|
|
// pick up the pointer to the array of stream information data structures
|
|
//
|
|
PHW_STREAM_INFORMATION pstrinfo =
|
|
(PHW_STREAM_INFORMATION)&(pSrb->CommandData.StreamBuffer->StreamInfo);
|
|
|
|
|
|
//
|
|
// Set the header
|
|
//
|
|
StreamHeader.NumDevPropArrayEntries = NUMBER_IPSINK_CODEC_PROPERTIES;
|
|
StreamHeader.DevicePropertiesArray = (PKSPROPERTY_SET) IPSinkCodecProperties;
|
|
|
|
//
|
|
// Set events array
|
|
//
|
|
StreamHeader.NumDevEventArrayEntries = NUMBER_IPSINK_EVENTS;
|
|
StreamHeader.DeviceEventsArray = (PKSEVENT_SET) IPSinkEvents;
|
|
|
|
*pstrhdr = StreamHeader;
|
|
|
|
//
|
|
// stuff the contents of each HW_STREAM_INFORMATION struct
|
|
//
|
|
for (j = 0; j < DRIVER_STREAM_COUNT; j++)
|
|
{
|
|
*pstrinfo++ = Streams[j].hwStreamInfo;
|
|
}
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
STREAMAPI
|
|
CodecCancelPacket(
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
|
PIPSINK_FILTER pFilter = ((PIPSINK_FILTER)pSrb->HwDeviceExtension);
|
|
|
|
//
|
|
// Check whether the SRB to cancel is in use by this stream
|
|
//
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: CancelPacket Called\n"));
|
|
|
|
if (QueueRemoveSpecific (pSrb, &pStream->StreamDataSpinLock, &pStream->StreamDataQueue))
|
|
{
|
|
pSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
return;
|
|
}
|
|
|
|
|
|
if (QueueRemoveSpecific (pSrb, &pStream->StreamControlSpinLock, &pStream->StreamControlQueue))
|
|
{
|
|
pSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
return;
|
|
}
|
|
|
|
if (QueueRemoveSpecific (pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue))
|
|
{
|
|
pSrb->Status = STATUS_CANCELLED;
|
|
StreamClassDeviceNotification (DeviceRequestComplete, pSrb->StreamObject, pSrb);
|
|
return;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
STREAMAPI
|
|
CodecTimeoutPacket(
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
//
|
|
// if we timeout while playing, then we need to consider this
|
|
// condition an error, and reset the hardware, and reset everything
|
|
// as well as cancelling this and all requests
|
|
//
|
|
|
|
//
|
|
// if we are not playing, and this is a CTRL request, we still
|
|
// need to reset everything as well as cancelling this and all requests
|
|
//
|
|
|
|
//
|
|
// if this is a data request, and the device is paused, we probably have
|
|
// run out of data buffer, and need more time, so just reset the timer,
|
|
// and let the packet continue
|
|
//
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: TimeoutPacket Called\n"));
|
|
|
|
pSrb->TimeoutCounter = 0;
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
STREAMAPI
|
|
CodecReceivePacket(
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PIPSINK_FILTER pFilter = ((PIPSINK_FILTER)pSrb->HwDeviceExtension);
|
|
IPSINK_NDIS_COMMAND Cmd = {0};
|
|
|
|
|
|
//
|
|
// Make sure queue & SL initted
|
|
//
|
|
if (!pFilter->bAdapterQueueInitialized)
|
|
{
|
|
InitializeListHead (&pFilter->AdapterSRBQueue);
|
|
KeInitializeSpinLock (&pFilter->AdapterSRBSpinLock);
|
|
KeInitializeSpinLock (&pFilter->NdisLink.spinLock);
|
|
pFilter->bAdapterQueueInitialized = TRUE;
|
|
}
|
|
|
|
//
|
|
// Assume success
|
|
//
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
//
|
|
// determine the type of packet.
|
|
//
|
|
//if (QueueAddIfNotEmpty (pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue))
|
|
//{
|
|
// pSrb->Status = STATUS_SUCCESS;
|
|
// return;
|
|
//}
|
|
QueueAdd (pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue);
|
|
|
|
|
|
while (QueueRemove( &pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue ))
|
|
{
|
|
switch (pSrb->Command)
|
|
{
|
|
|
|
case SRB_INITIALIZE_DEVICE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_INITIALIZE Command\n"));
|
|
CodecInitialize(pSrb);
|
|
break;
|
|
|
|
case SRB_UNINITIALIZE_DEVICE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_UNINITIALIZE Command\n"));
|
|
CodecUnInitialize(pSrb);
|
|
break;
|
|
|
|
case SRB_INITIALIZATION_COMPLETE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_INITIALIZE_COMPLETE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_OPEN_STREAM:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_OPEN_STREAM Command\n"));
|
|
|
|
if (LinkToNdisHandler ((PVOID) pFilter) != STATUS_SUCCESS)
|
|
{
|
|
pSrb->Status = STATUS_UNSUCCESSFUL;
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Get the Adapter description string. This is used to determine the
|
|
// adapter NIC address
|
|
//
|
|
GetAdapterDescription (pFilter);
|
|
|
|
//
|
|
// Open up the stream and connect
|
|
//
|
|
OpenStream (pSrb);
|
|
break;
|
|
|
|
case SRB_CLOSE_STREAM:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_CLOSE_STREAM Command\n"));
|
|
CloseStream (pSrb);
|
|
break;
|
|
|
|
case SRB_GET_STREAM_INFO:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_GET_STREAM_INFO Command\n"));
|
|
CodecStreamInfo (pSrb);
|
|
break;
|
|
|
|
case SRB_GET_DATA_INTERSECTION:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_GET_DATA_INTERSECTION Command\n"));
|
|
|
|
//
|
|
// Compare our stream formats. NOTE, the compare functions sets the SRB
|
|
// status fields
|
|
//
|
|
CompareStreamFormat (pSrb);
|
|
break;
|
|
|
|
case SRB_OPEN_DEVICE_INSTANCE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_OPEN_DEVICE_INSTANCE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_CLOSE_DEVICE_INSTANCE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_CLOSE_DEVICE_INSTANCE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_UNKNOWN_DEVICE_COMMAND:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_UNKNOWN_DEVICE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_CHANGE_POWER_STATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_CHANGE_POWER_STATE Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_GET_DEVICE_PROPERTY:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_GET_DEVICE_PROPERTY Command\n"));
|
|
IPSinkGetProperty(pSrb);
|
|
break;
|
|
|
|
case SRB_SET_DEVICE_PROPERTY:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_SET_DEVICE_PROPERTY Command\n"));
|
|
IPSinkSetProperty(pSrb);
|
|
break;
|
|
|
|
case SRB_UNKNOWN_STREAM_COMMAND:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_UNKNOWN Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
default:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SRB_DEFAULT Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
};
|
|
|
|
|
|
//
|
|
// NOTE:
|
|
//
|
|
// All of the commands that we do, or do not understand can all be completed
|
|
// syncronously at this point, so we can use a common callback routine here.
|
|
// If any of the above commands require asyncronous processing, this will
|
|
// have to change
|
|
//
|
|
|
|
StreamClassDeviceNotification (DeviceRequestComplete, pFilter, pSrb);
|
|
|
|
} // while (QueueRemove( &pSrb, &pFilter->AdapterSRBSpinLock, &pFilter->AdapterSRBQueue ));
|
|
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueueAdd (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
PSRB_EXTENSION pSrbExtension;
|
|
|
|
pSrbExtension = ( PSRB_EXTENSION )pSrb->SRBExtension;
|
|
|
|
KeAcquireSpinLock( pQueueSpinLock, &Irql );
|
|
|
|
pSrbExtension->pSrb = pSrb;
|
|
InsertTailList( pQueue, &pSrbExtension->ListEntry );
|
|
|
|
KeReleaseSpinLock( pQueueSpinLock, Irql );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueueAddIfNotEmpty (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
PSRB_EXTENSION pSrbExtension;
|
|
BOOL bAddedSRB = FALSE;
|
|
|
|
pSrbExtension = ( PSRB_EXTENSION )pSrb->SRBExtension;
|
|
|
|
KeAcquireSpinLock( pQueueSpinLock, &Irql );
|
|
|
|
if( !IsListEmpty( pQueue ))
|
|
{
|
|
pSrbExtension->pSrb = pSrb;
|
|
InsertTailList (pQueue, &pSrbExtension->ListEntry );
|
|
bAddedSRB = TRUE;
|
|
}
|
|
|
|
KeReleaseSpinLock( pQueueSpinLock, Irql );
|
|
|
|
return bAddedSRB;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueueRemove (
|
|
IN OUT PHW_STREAM_REQUEST_BLOCK * pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
BOOL bRemovedSRB = FALSE;
|
|
|
|
KeAcquireSpinLock (pQueueSpinLock, &Irql);
|
|
|
|
*pSrb = (PHW_STREAM_REQUEST_BLOCK) NULL;
|
|
|
|
if( !IsListEmpty( pQueue ))
|
|
{
|
|
PHW_STREAM_REQUEST_BLOCK *pCurrentSrb = NULL;
|
|
PUCHAR Ptr = (PUCHAR) RemoveHeadList(pQueue);
|
|
|
|
pCurrentSrb = (PHW_STREAM_REQUEST_BLOCK *) (((PUCHAR)Ptr) + sizeof (LIST_ENTRY));
|
|
|
|
*pSrb = *pCurrentSrb;
|
|
bRemovedSRB = TRUE;
|
|
|
|
}
|
|
|
|
KeReleaseSpinLock (pQueueSpinLock, Irql);
|
|
|
|
return bRemovedSRB;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL STREAMAPI
|
|
QueueRemoveSpecific (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb,
|
|
IN PKSPIN_LOCK pQueueSpinLock,
|
|
IN PLIST_ENTRY pQueue
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
KIRQL Irql;
|
|
BOOL bRemovedSRB = FALSE;
|
|
PLIST_ENTRY pCurrentEntry;
|
|
PHW_STREAM_REQUEST_BLOCK * pCurrentSrb;
|
|
|
|
KeAcquireSpinLock( pQueueSpinLock, &Irql );
|
|
|
|
if( !IsListEmpty( pQueue ))
|
|
{
|
|
pCurrentEntry = pQueue->Flink;
|
|
while ((pCurrentEntry != pQueue ) && !bRemovedSRB)
|
|
{
|
|
pCurrentSrb = (PHW_STREAM_REQUEST_BLOCK * ) ((( PUCHAR )pCurrentEntry ) + sizeof( LIST_ENTRY ));
|
|
|
|
if( *pCurrentSrb == pSrb )
|
|
{
|
|
RemoveEntryList( pCurrentEntry );
|
|
bRemovedSRB = TRUE;
|
|
}
|
|
pCurrentEntry = pCurrentEntry->Flink;
|
|
}
|
|
}
|
|
KeReleaseSpinLock( pQueueSpinLock, Irql );
|
|
|
|
return bRemovedSRB;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
NTSTATUS
|
|
StreamIPIndicateEvent (
|
|
PVOID pvEvent
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL
|
|
CompareGUIDsAndFormatSize(
|
|
IN PKSDATARANGE pDataRange1,
|
|
IN PKSDATARANGE pDataRange2,
|
|
BOOLEAN bCheckSize
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
BOOL bResult = FALSE;
|
|
|
|
if ( IsEqualGUID(&pDataRange1->MajorFormat, &KSDATAFORMAT_TYPE_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange2->MajorFormat, &KSDATAFORMAT_TYPE_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange1->MajorFormat, &pDataRange2->MajorFormat) )
|
|
{
|
|
|
|
if ( IsEqualGUID(&pDataRange1->SubFormat, &KSDATAFORMAT_SUBTYPE_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange2->SubFormat, &KSDATAFORMAT_SUBTYPE_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange1->SubFormat, &pDataRange2->SubFormat) )
|
|
{
|
|
|
|
if ( IsEqualGUID(&pDataRange1->Specifier, &KSDATAFORMAT_SPECIFIER_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange2->Specifier, &KSDATAFORMAT_SPECIFIER_WILDCARD) ||
|
|
IsEqualGUID(&pDataRange1->Specifier, &pDataRange2->Specifier) )
|
|
{
|
|
if ( !bCheckSize || pDataRange1->FormatSize == pDataRange2->FormatSize)
|
|
{
|
|
bResult = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return bResult;
|
|
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
DumpDataFormat (
|
|
PKSDATAFORMAT pF
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: DATA Format\n"));
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Format Size: %08X\n", pF->FormatSize));
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Flags: %08X\n", pF->Flags));
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: SampleSize: %08X\n", pF->SampleSize));
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Reserved: %08X\n", pF->Reserved));
|
|
|
|
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Major GUID: %08X %04X %04X %02X %02X %02X %02X %02X %02X %02X %02X\n",
|
|
pF->MajorFormat.Data1,
|
|
pF->MajorFormat.Data2,
|
|
pF->MajorFormat.Data3,
|
|
pF->MajorFormat.Data4[0],
|
|
pF->MajorFormat.Data4[1],
|
|
pF->MajorFormat.Data4[2],
|
|
pF->MajorFormat.Data4[3],
|
|
pF->MajorFormat.Data4[4],
|
|
pF->MajorFormat.Data4[5],
|
|
pF->MajorFormat.Data4[6],
|
|
pF->MajorFormat.Data4[7]
|
|
));
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Sub GUID: %08X %04X %04X %02X %02X %02X %02X %02X %02X %02X %02X\n",
|
|
pF->SubFormat.Data1,
|
|
pF->SubFormat.Data2,
|
|
pF->SubFormat.Data3,
|
|
pF->SubFormat.Data4[0],
|
|
pF->SubFormat.Data4[1],
|
|
pF->SubFormat.Data4[2],
|
|
pF->SubFormat.Data4[3],
|
|
pF->SubFormat.Data4[4],
|
|
pF->SubFormat.Data4[5],
|
|
pF->SubFormat.Data4[6],
|
|
pF->SubFormat.Data4[7]
|
|
));
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Specifier: %08X %04X %04X %02X %02X %02X %02X %02X %02X %02X %02X\n",
|
|
pF->Specifier.Data1,
|
|
pF->Specifier.Data2,
|
|
pF->Specifier.Data3,
|
|
pF->Specifier.Data4[0],
|
|
pF->Specifier.Data4[1],
|
|
pF->Specifier.Data4[2],
|
|
pF->Specifier.Data4[3],
|
|
pF->Specifier.Data4[4],
|
|
pF->Specifier.Data4[5],
|
|
pF->Specifier.Data4[6],
|
|
pF->Specifier.Data4[7]
|
|
));
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("\n"));
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOL
|
|
CompareStreamFormat (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
BOOL bStatus = FALSE;
|
|
PSTREAM_DATA_INTERSECT_INFO pIntersectInfo;
|
|
PKSDATARANGE pDataRange1;
|
|
PKSDATARANGE pDataRange2;
|
|
ULONG FormatSize = 0;
|
|
ULONG ulStreamNumber;
|
|
ULONG j;
|
|
ULONG ulNumberOfFormatArrayEntries;
|
|
PKSDATAFORMAT *pAvailableFormats;
|
|
|
|
|
|
pIntersectInfo = pSrb->CommandData.IntersectInfo;
|
|
ulStreamNumber = pIntersectInfo->StreamNumber;
|
|
|
|
|
|
pSrb->ActualBytesTransferred = 0;
|
|
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Comparing Stream Formats\n"));
|
|
|
|
|
|
//
|
|
// Check that the stream number is valid
|
|
//
|
|
if (ulStreamNumber < DRIVER_STREAM_COUNT)
|
|
{
|
|
ulNumberOfFormatArrayEntries = Streams[ulStreamNumber].hwStreamInfo.NumberOfFormatArrayEntries;
|
|
|
|
//
|
|
// Get the pointer to the array of available formats
|
|
//
|
|
pAvailableFormats = Streams[ulStreamNumber].hwStreamInfo.StreamFormatsArray;
|
|
|
|
//
|
|
// Walk the formats supported by the stream searching for a match
|
|
// of the three GUIDs which together define a DATARANGE
|
|
//
|
|
for (pDataRange1 = pIntersectInfo->DataRange, j = 0;
|
|
j < ulNumberOfFormatArrayEntries;
|
|
j++, pAvailableFormats++)
|
|
|
|
{
|
|
bStatus = FALSE;
|
|
pSrb->Status = STATUS_UNSUCCESSFUL;
|
|
|
|
pDataRange2 = *pAvailableFormats;
|
|
|
|
if (CompareGUIDsAndFormatSize (pDataRange1, pDataRange2, TRUE))
|
|
{
|
|
|
|
ULONG ulFormatSize = pDataRange2->FormatSize;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Stream Formats compare\n"));
|
|
|
|
//
|
|
// Is the caller trying to get the format, or the size of the format?
|
|
//
|
|
if (pIntersectInfo->SizeOfDataFormatBuffer == sizeof (ULONG))
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Returning Stream Format size\n"));
|
|
|
|
*(PULONG) pIntersectInfo->DataFormatBuffer = ulFormatSize;
|
|
pSrb->ActualBytesTransferred = sizeof (ULONG);
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
bStatus = TRUE;
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Verify that there is enough room in the supplied buffer for the whole thing
|
|
//
|
|
pSrb->Status = STATUS_BUFFER_TOO_SMALL;
|
|
bStatus = FALSE;
|
|
|
|
if (pIntersectInfo->SizeOfDataFormatBuffer >= ulFormatSize)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Returning Stream Format\n"));
|
|
RtlCopyMemory (pIntersectInfo->DataFormatBuffer, pDataRange2, ulFormatSize);
|
|
pSrb->ActualBytesTransferred = ulFormatSize;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
bStatus = TRUE;
|
|
}
|
|
else
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Stream Format return buffer too small\n"));
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Stream Formats DO NOT compare\n"));
|
|
}
|
|
}
|
|
|
|
if ( j >= ulNumberOfFormatArrayEntries )
|
|
{
|
|
pSrb->ActualBytesTransferred = 0;
|
|
pSrb->Status = STATUS_UNSUCCESSFUL;
|
|
bStatus = FALSE;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->ActualBytesTransferred = 0;
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
bStatus = FALSE;
|
|
}
|
|
|
|
return bStatus;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
CloseStream (
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
//
|
|
// the stream extension structure is allocated by the stream class driver
|
|
//
|
|
PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
|
PIPSINK_FILTER pFilter = (PIPSINK_FILTER)pSrb->HwDeviceExtension;
|
|
ULONG ulStreamNumber = (ULONG) pSrb->StreamObject->StreamNumber;
|
|
ULONG ulStreamInstance = pStream->ulStreamInstance;
|
|
PHW_STREAM_REQUEST_BLOCK pCurrentSrb = NULL;
|
|
KIRQL Irql;
|
|
PLINK pLink = NULL;
|
|
|
|
//
|
|
// Close our link to the NDIS component
|
|
//
|
|
KeAcquireSpinLock (&pFilter->AdapterSRBSpinLock, &Irql);
|
|
|
|
//
|
|
// Call adapter close link to give the adapter a chance to release its
|
|
// reference to the filter
|
|
//
|
|
if (pFilter->pAdapter)
|
|
{
|
|
if (pFilter->pAdapter->lpVTable->CloseLink)
|
|
{
|
|
pFilter->pAdapter->lpVTable->CloseLink (pFilter->pAdapter);
|
|
}
|
|
|
|
pFilter->pAdapter = NULL;
|
|
}
|
|
|
|
pFilter->pAdapter = NULL;
|
|
|
|
KeReleaseSpinLock (&pFilter->AdapterSRBSpinLock, Irql);
|
|
|
|
// The call to CloseLink can only be made at PASSIVE_LEVEL
|
|
// and thus is moved outside the spin lock
|
|
//
|
|
CloseLink (&pFilter->NdisLink);
|
|
|
|
//
|
|
// check that the stream index requested isn't too high
|
|
// or that the maximum number of instances hasn't been exceeded
|
|
//
|
|
if (ulStreamNumber < DRIVER_STREAM_COUNT )
|
|
{
|
|
//
|
|
// Clear this streams spot in the filters stream array
|
|
//
|
|
pFilter->pStream[ulStreamNumber][ulStreamInstance] = NULL;
|
|
|
|
//
|
|
// decrement the stream instance count for this filter
|
|
//
|
|
pFilter->ulActualInstances[ulStreamNumber]--;
|
|
|
|
//
|
|
// Flush the stream data queue
|
|
//
|
|
while (QueueRemove( &pCurrentSrb, &pStream->StreamDataSpinLock, &pStream->StreamDataQueue))
|
|
{
|
|
pCurrentSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification( StreamRequestComplete, pCurrentSrb->StreamObject, pCurrentSrb);
|
|
}
|
|
|
|
//
|
|
// Flush the stream control queue
|
|
//
|
|
while (QueueRemove( &pCurrentSrb, &pStream->StreamControlSpinLock, &pStream->StreamControlQueue))
|
|
{
|
|
pCurrentSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pCurrentSrb->StreamObject, pCurrentSrb);
|
|
}
|
|
|
|
//
|
|
// reset pointers to the handlers for the stream data and control handlers
|
|
//
|
|
pSrb->StreamObject->ReceiveDataPacket = NULL;
|
|
pSrb->StreamObject->ReceiveControlPacket = NULL;
|
|
|
|
//
|
|
// The DMA flag must be set when the device will be performing DMA directly
|
|
// to the data buffer addresses passed in to the ReceiveDataPacket routines.
|
|
//
|
|
pSrb->StreamObject->Dma = 0;
|
|
|
|
//
|
|
// The PIO flag must be set when the mini driver will be accessing the data
|
|
// buffers passed in using logical addressing
|
|
//
|
|
pSrb->StreamObject->Pio = 0;
|
|
pSrb->StreamObject->Allocator = 0;
|
|
|
|
//
|
|
// How many extra bytes will be passed up from the driver for each frame?
|
|
//
|
|
pSrb->StreamObject->StreamHeaderMediaSpecific = 0;
|
|
pSrb->StreamObject->StreamHeaderWorkspace = 0;
|
|
|
|
//
|
|
// Indicate the clock support available on this stream
|
|
//
|
|
//pSrb->StreamObject->HwClockObject = 0;
|
|
|
|
//
|
|
// Reset the stream state to stopped
|
|
//
|
|
pStream->KSState = KSSTATE_STOP;
|
|
|
|
//
|
|
// Reset the stream extension blob
|
|
//
|
|
RtlZeroMemory(pStream, sizeof (STREAM));
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
|
|
DumpSRBTable ();
|
|
|
|
#endif // DEBUG
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
OpenStream (
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
//
|
|
// the stream extension structure is allocated by the stream class driver
|
|
//
|
|
PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
|
PIPSINK_FILTER pFilter = ((PIPSINK_FILTER)pSrb->HwDeviceExtension);
|
|
ULONG ulStreamNumber = (ULONG) pSrb->StreamObject->StreamNumber;
|
|
PKSDATAFORMAT pKSDataFormat = (PKSDATAFORMAT)pSrb->CommandData.OpenFormat;
|
|
|
|
//
|
|
// Initialize the stream extension blob
|
|
//
|
|
RtlZeroMemory(pStream, sizeof (STREAM));
|
|
|
|
//
|
|
// Initialize stream state
|
|
//
|
|
pStream->KSState = KSSTATE_STOP;
|
|
|
|
//
|
|
// check that the stream index requested isn't too high
|
|
// or that the maximum number of instances hasn't been exceeded
|
|
//
|
|
if (ulStreamNumber < DRIVER_STREAM_COUNT )
|
|
{
|
|
ULONG ulStreamInstance;
|
|
ULONG ulMaxInstances = Streams[ulStreamNumber].hwStreamInfo.NumberOfPossibleInstances;
|
|
|
|
//
|
|
// Search for next open slot
|
|
//
|
|
for (ulStreamInstance = 0; ulStreamInstance < ulMaxInstances; ++ulStreamInstance)
|
|
{
|
|
if (pFilter->pStream[ulStreamNumber][ulStreamInstance] == NULL)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ulStreamInstance < ulMaxInstances)
|
|
{
|
|
if (VerifyFormat(pKSDataFormat, ulStreamNumber, &pStream->MatchedFormat))
|
|
{
|
|
InitializeListHead(&pStream->StreamControlQueue);
|
|
InitializeListHead(&pStream->StreamDataQueue);
|
|
KeInitializeSpinLock(&pStream->StreamControlSpinLock);
|
|
KeInitializeSpinLock(&pStream->StreamDataSpinLock);
|
|
|
|
//
|
|
// Maintain an array of all the StreamEx structures in the HwDevExt
|
|
// so that we can reference IRPs from any stream
|
|
//
|
|
pFilter->pStream[ulStreamNumber][ulStreamInstance] = pStream;
|
|
|
|
//
|
|
// Save the Stream Format in the Stream Extension as well.
|
|
//
|
|
pStream->OpenedFormat = *pKSDataFormat;
|
|
|
|
|
|
//
|
|
// Set up pointers to the handlers for the stream data and control handlers
|
|
//
|
|
pSrb->StreamObject->ReceiveDataPacket =
|
|
(PVOID) Streams[ulStreamNumber].hwStreamObject.ReceiveDataPacket;
|
|
pSrb->StreamObject->ReceiveControlPacket =
|
|
(PVOID) Streams[ulStreamNumber].hwStreamObject.ReceiveControlPacket;
|
|
|
|
//
|
|
// The DMA flag must be set when the device will be performing DMA directly
|
|
// to the data buffer addresses passed in to the ReceiveDataPacket routines.
|
|
//
|
|
pSrb->StreamObject->Dma = Streams[ulStreamNumber].hwStreamObject.Dma;
|
|
|
|
//
|
|
// The PIO flag must be set when the mini driver will be accessing the data
|
|
// buffers passed in using logical addressing
|
|
//
|
|
pSrb->StreamObject->Pio = Streams[ulStreamNumber].hwStreamObject.Pio;
|
|
|
|
pSrb->StreamObject->Allocator = Streams[ulStreamNumber].hwStreamObject.Allocator;
|
|
|
|
//
|
|
// How many extra bytes will be passed up from the driver for each frame?
|
|
//
|
|
pSrb->StreamObject->StreamHeaderMediaSpecific =
|
|
Streams[ulStreamNumber].hwStreamObject.StreamHeaderMediaSpecific;
|
|
|
|
pSrb->StreamObject->StreamHeaderWorkspace =
|
|
Streams[ulStreamNumber].hwStreamObject.StreamHeaderWorkspace;
|
|
|
|
//
|
|
// Indicate the clock support available on this stream
|
|
//
|
|
pSrb->StreamObject->HwClockObject =
|
|
Streams[ulStreamNumber].hwStreamObject.HwClockObject;
|
|
|
|
//
|
|
// Increment the instance count on this stream
|
|
//
|
|
pStream->ulStreamInstance = ulStreamInstance;
|
|
pFilter->ulActualInstances[ulStreamNumber]++;
|
|
|
|
|
|
//
|
|
// Retain a private copy of the HwDevExt and StreamObject in the stream extension
|
|
// so we can use a timer
|
|
//
|
|
pStream->pFilter = pFilter; // For timer use
|
|
pStream->pStreamObject = pSrb->StreamObject; // For timer use
|
|
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
BOOLEAN
|
|
VerifyFormat(
|
|
IN KSDATAFORMAT *pKSDataFormat,
|
|
UINT StreamNumber,
|
|
PKSDATARANGE pMatchedFormat
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
BOOLEAN bResult = FALSE;
|
|
ULONG FormatCount = 0;
|
|
PKS_DATARANGE_VIDEO pThisFormat = NULL;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Verify Format\n"));
|
|
|
|
for (FormatCount = 0; !bResult && FormatCount < Streams[StreamNumber].hwStreamInfo.NumberOfFormatArrayEntries;
|
|
FormatCount++ )
|
|
{
|
|
|
|
|
|
pThisFormat = (PKS_DATARANGE_VIDEO) Streams [StreamNumber].hwStreamInfo.StreamFormatsArray [FormatCount];
|
|
|
|
if (CompareGUIDsAndFormatSize( pKSDataFormat, &pThisFormat->DataRange, TRUE ) )
|
|
{
|
|
bResult = TRUE;
|
|
}
|
|
}
|
|
|
|
if (bResult == TRUE && pMatchedFormat)
|
|
{
|
|
*pMatchedFormat = pThisFormat->DataRange;
|
|
}
|
|
|
|
return bResult;
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
NTSTATUS
|
|
STREAMAPI
|
|
EventHandler (
|
|
IN PHW_EVENT_DESCRIPTOR pEventDesriptor
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: EventHandler called\n"));
|
|
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
STREAMAPI
|
|
ReceiveDataPacket (
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
ULONG ulBuffers = pSrb->NumberOfBuffers;
|
|
PIPSINK_FILTER pFilter = (PIPSINK_FILTER) pSrb->HwDeviceExtension;
|
|
PSTREAM pStream = (PSTREAM)pSrb->StreamObject->HwStreamExtension;
|
|
int iStream = (int) pSrb->StreamObject->StreamNumber;
|
|
PKSSTREAM_HEADER pStreamHdr = pSrb->CommandData.DataBufferArray;
|
|
ULONG ul = 0;
|
|
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Data packet handler called\n"));
|
|
|
|
//
|
|
// Default to success, disable timeouts
|
|
//
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
//
|
|
// Check for last buffer
|
|
//
|
|
if (pStreamHdr->OptionsFlags & KSSTREAM_HEADER_OPTIONSF_ENDOFSTREAM)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Data packet is LAST PACKET\n"));
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
|
|
|
|
if (pFilter->pAdapter)
|
|
{
|
|
if (pFilter->pAdapter->lpVTable->IndicateReset)
|
|
{
|
|
pFilter->pAdapter->lpVTable->IndicateReset (pFilter->pAdapter);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
|
|
//
|
|
// determine the type of packet.
|
|
//
|
|
switch (pSrb->Command)
|
|
{
|
|
case SRB_WRITE_DATA:
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Data packet handler - SRB_WRITE_DATA, pSrb: %08X\n", pSrb));
|
|
|
|
if (pStream->KSState == KSSTATE_STOP)
|
|
//if ((pStream->KSState == KSSTATE_STOP) || (pStream->KSState == KSSTATE_PAUSE))
|
|
{
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Update the total number of packets written statistic
|
|
//
|
|
pFilter->Stats.ulTotalPacketsWritten += 1;
|
|
|
|
|
|
//
|
|
// Handle data input, output requests differently.
|
|
//
|
|
switch (iStream)
|
|
{
|
|
//
|
|
// Frame input stream
|
|
//
|
|
case STREAM_IP:
|
|
{
|
|
QueueAdd (pSrb, &pStream->StreamDataSpinLock, &pStream->StreamDataQueue);
|
|
|
|
while (QueueRemove( &pSrb, &pStream->StreamDataSpinLock,&pStream->StreamDataQueue ))
|
|
|
|
{
|
|
#ifdef DEBUG
|
|
|
|
DbgPrint ("SIW: S:%08X B:%08X\n", pSrb, pStreamHdr->Data);
|
|
|
|
#endif
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Processing pSrb: %08X\n", pSrb));
|
|
|
|
for (ul = 0; ul < ulBuffers; ul++, pStreamHdr++)
|
|
{
|
|
//
|
|
// If Data Used is 0 then don't bother sending the packet
|
|
// to NdisIp.
|
|
//
|
|
|
|
if(pStreamHdr->DataUsed)
|
|
{
|
|
//
|
|
// Update stats for IP Stream count
|
|
//
|
|
pFilter->Stats.ulTotalStreamIPPacketsWritten += 1;
|
|
pFilter->Stats.ulTotalStreamIPBytesWritten += pStreamHdr->DataUsed;
|
|
pFilter->Stats.ulTotalStreamIPFrameBytesWritten += pStreamHdr->FrameExtent;
|
|
|
|
if (pFilter->pAdapter)
|
|
{
|
|
if (pFilter->pAdapter->lpVTable->IndicateData)
|
|
{
|
|
pSrb->Status = pFilter->pAdapter->lpVTable->IndicateData (
|
|
pFilter->pAdapter,
|
|
pStreamHdr->Data,
|
|
pStreamHdr->DataUsed
|
|
);
|
|
|
|
if (pSrb->Status != STATUS_SUCCESS)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: IndicateData returned ERROR %08X\n", pSrb->Status));
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
}
|
|
}
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
}
|
|
}
|
|
break;
|
|
|
|
//
|
|
// Other "unknown" streams are not valid and will be rejected.
|
|
//
|
|
case STREAM_NET_CONTROL:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Data packet handler called - SRB_WRITE - STREAM_NET_CONTROL\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
|
|
//
|
|
// Update stats for Net packet count
|
|
//
|
|
pFilter->Stats.ulTotalNetPacketsWritten += 1;
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
break;
|
|
|
|
default:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Data packet handler called - SRB_WRITE - Default\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
|
|
//
|
|
// Update stats for Unkown packet count
|
|
//
|
|
pFilter->Stats.ulTotalUnknownPacketsWritten += 1;
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
break;
|
|
}
|
|
break;
|
|
|
|
|
|
case SRB_READ_DATA:
|
|
|
|
//
|
|
// Update stats for Unkown packet count
|
|
//
|
|
pFilter->Stats.ulTotalPacketsRead += 1;
|
|
|
|
switch (iStream)
|
|
{
|
|
case STREAM_NET_CONTROL:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Data packet handler called - SRB_READ - STREAM_NET_CONTROL, pSrb: %08X\n", pSrb));
|
|
|
|
|
|
// Take the SRB we get and queue it up. These Queued SRB's will be filled with data on a WRITE_DATA
|
|
// request, at which point they will be completed.
|
|
//
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
QueueAdd (pSrb, &pStream->StreamDataSpinLock, &pStream->StreamDataQueue);
|
|
TEST_DEBUG( TEST_DBG_TRACE, ("IPSInk Queuing Output SRB %08X\n", pSrb));
|
|
|
|
//
|
|
// Since the stream state may have changed while we were adding the SRB to the queue
|
|
// we'll check it again, and cancel it if necessary
|
|
//
|
|
if (pStream->KSState == KSSTATE_STOP)
|
|
{
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("IPSink: SRB_READ STOP SRB Status returned: %08X\n", pSrb->Status));
|
|
|
|
if (QueueRemoveSpecific (pSrb, &pStream->StreamDataSpinLock, &pStream->StreamDataQueue))
|
|
{
|
|
pSrb->Status = STATUS_CANCELLED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
TEST_DEBUG( TEST_DBG_TRACE, ("IPSink Completed SRB %08X\n", pSrb));
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
break;
|
|
|
|
default:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Data packet handler called - SRB_READ - Default, pSrb: %08X\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
break;
|
|
|
|
}
|
|
break;
|
|
|
|
default:
|
|
|
|
//
|
|
// invalid / unsupported command. Fail it as such
|
|
//
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Data packet handler called - Unsupported Command\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
StreamClassStreamNotification( StreamRequestComplete, pSrb->StreamObject, pSrb );
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: StreamRequestComplete on pSrb: %08X\n", pSrb));
|
|
ASSERT (FALSE);
|
|
break;
|
|
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
STREAMAPI
|
|
ReceiveCtrlPacket(
|
|
IN PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PIPSINK_FILTER pFilter = (PIPSINK_FILTER) pSrb->HwDeviceExtension;
|
|
PSTREAM pStream = (PSTREAM) pSrb->StreamObject->HwStreamExtension;
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler called\n"));
|
|
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
|
|
QueueAdd (pSrb, &pStream->StreamControlSpinLock, &pStream->StreamControlQueue);
|
|
//if (QueueAddIfNotEmpty (pSrb, &pStream->StreamControlSpinLock, &pStream->StreamControlQueue))
|
|
//{
|
|
// pSrb->Status = STATUS_SUCCESS;
|
|
// return;
|
|
//}
|
|
|
|
|
|
//do
|
|
while (QueueRemove (&pSrb, &pStream->StreamControlSpinLock, &pStream->StreamControlQueue))
|
|
{
|
|
//
|
|
// determine the type of packet.
|
|
//
|
|
switch (pSrb->Command)
|
|
{
|
|
case SRB_PROPOSE_DATA_FORMAT:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Propose data format\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
case SRB_SET_STREAM_STATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Set Stream State\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
IpSinkSetState (pSrb);
|
|
break;
|
|
|
|
case SRB_GET_STREAM_STATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Get Stream State\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
pSrb->CommandData.StreamState = pStream->KSState;
|
|
pSrb->ActualBytesTransferred = sizeof (KSSTATE);
|
|
break;
|
|
|
|
case SRB_GET_STREAM_PROPERTY:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Get Stream Property\n"));
|
|
IPSinkGetProperty(pSrb);
|
|
break;
|
|
|
|
case SRB_SET_STREAM_PROPERTY:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Set Stream Property\n"));
|
|
IPSinkSetProperty(pSrb);
|
|
break;
|
|
|
|
case SRB_INDICATE_MASTER_CLOCK:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Indicate Master Clock\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case SRB_SET_STREAM_RATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Set Stream Rate\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case SRB_PROPOSE_STREAM_RATE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Propose Stream Rate\n"));
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
default:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Receive Control packet handler - Default case\n"));
|
|
pSrb->Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
}
|
|
|
|
StreamClassStreamNotification (StreamRequestComplete, pSrb->StreamObject, pSrb);
|
|
|
|
} // while (QueueRemove (&pSrb, &pStream->StreamControlSpinLock, &pStream->StreamControlQueue));
|
|
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
VOID
|
|
IpSinkSetState(
|
|
PHW_STREAM_REQUEST_BLOCK pSrb
|
|
)
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
{
|
|
PIPSINK_FILTER pFilter = ((PIPSINK_FILTER) pSrb->HwDeviceExtension);
|
|
PSTREAM pStream = (PSTREAM) pSrb->StreamObject->HwStreamExtension;
|
|
PHW_STREAM_REQUEST_BLOCK pCurrentSrb = NULL;
|
|
|
|
//
|
|
// For each stream, the following states are used:
|
|
//
|
|
// Stop: Absolute minimum resources are used. No outstanding IRPs.
|
|
// Acquire: KS only state that has no DirectShow correpondence
|
|
// Acquire needed resources.
|
|
// Pause: Getting ready to run. Allocate needed resources so that
|
|
// the eventual transition to Run is as fast as possible.
|
|
// Read SRBs will be queued at either the Stream class
|
|
// or in your driver (depending on when you send "ReadyForNext")
|
|
// Run: Streaming.
|
|
//
|
|
// Moving to Stop to Run always transitions through Pause.
|
|
//
|
|
// But since a client app could crash unexpectedly, drivers should handle
|
|
// the situation of having outstanding IRPs cancelled and open streams
|
|
// being closed WHILE THEY ARE STREAMING!
|
|
//
|
|
// Note that it is quite possible to transition repeatedly between states:
|
|
// Stop -> Pause -> Stop -> Pause -> Run -> Pause -> Run -> Pause -> Stop
|
|
//
|
|
switch (pSrb->CommandData.StreamState)
|
|
{
|
|
case KSSTATE_STOP:
|
|
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Set Stream State KSSTATE_STOP\n"));
|
|
|
|
//
|
|
// If transitioning to STOP state, then complete any outstanding IRPs
|
|
//
|
|
while (QueueRemove(&pCurrentSrb, &pStream->StreamDataSpinLock, &pStream->StreamDataQueue))
|
|
{
|
|
pCurrentSrb->Status = STATUS_CANCELLED;
|
|
pCurrentSrb->CommandData.DataBufferArray->DataUsed = 0;
|
|
|
|
StreamClassStreamNotification(StreamRequestComplete, pCurrentSrb->StreamObject, pCurrentSrb);
|
|
}
|
|
|
|
pStream->KSState = pSrb->CommandData.StreamState;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
|
|
case KSSTATE_ACQUIRE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Set Stream State KSSTATE_ACQUIRE\n"));
|
|
pStream->KSState = pSrb->CommandData.StreamState;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case KSSTATE_PAUSE:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Set Stream State KSSTATE_PAUSE\n"));
|
|
pStream->KSState = pSrb->CommandData.StreamState;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case KSSTATE_RUN:
|
|
TEST_DEBUG (TEST_DBG_TRACE, ("STREAMIP: Set Stream State KSSTATE_RUN\n"));
|
|
pStream->KSState = pSrb->CommandData.StreamState;
|
|
pSrb->Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
} // end switch (pSrb->CommandData.StreamState)
|
|
|
|
return;
|
|
}
|
|
|