drivers/wdm/audio/backpln/portcls/miniport_dmus.cpp

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Kernel Streaming
   4  * FILE:            drivers/wdm/audio/backpln/portcls/miniport_dmus.cpp
   5  * PURPOSE:         DirectMusic miniport
   6  * PROGRAMMER:      Johannes Anderwald
   7  */
   8
   9 #include "private.hpp"
  10
  11 class CMiniportDMus : public IMiniportDMus
  12 {
  13 public:
  14     STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
  15
  16     STDMETHODIMP_(ULONG) AddRef()
  17     {
  18         InterlockedIncrement(&m_Ref);
  19         return m_Ref;
  20     }
  21     STDMETHODIMP_(ULONG) Release()
  22     {
  23         InterlockedDecrement(&m_Ref);
  24
  25         if (!m_Ref)
  26         {
  27             delete this;
  28             return 0;
  29         }
  30         return m_Ref;
  31     }
  32     IMP_IMiniportDMus;
  33     CMiniportDMus(IUnknown *OuterUnknown){}
  34     virtual ~CMiniportDMus(){}
  35
  36 protected:
  37     LONG m_Ref;
  38
  39 };
  40
  41 // IUnknown methods
  42
  43 NTSTATUS
  44 NTAPI
  45 CMiniportDMus::QueryInterface(
  46     IN  REFIID refiid,
  47     OUT PVOID* Output)
  48 {
  49     if (IsEqualGUIDAligned(refiid, IID_IMiniportDMus))
  50     {
  51         *Output = PVOID(PUNKNOWN(this));
  52         PUNKNOWN(*Output)->AddRef();
  53         return STATUS_SUCCESS;
  54     }
  55     return STATUS_UNSUCCESSFUL;
  56 }
  57
  58 // IMiniport methods
  59
  60 NTSTATUS
  61 NTAPI
  62 CMiniportDMus::DataRangeIntersection(
  63     IN ULONG  PinId,
  64     IN PKSDATARANGE  DataRange,
  65     IN PKSDATARANGE  MatchingDataRange,
  66     IN ULONG OutputBufferLength,
  67     OUT PVOID ResultantFormat  OPTIONAL,
  68     OUT PULONG ResultantFormatLength)
  69 {
  70     return STATUS_UNSUCCESSFUL;
  71 }
  72
  73 NTSTATUS
  74 NTAPI
  75 CMiniportDMus::GetDescription(
  76     OUT PPCFILTER_DESCRIPTOR  *Description)
  77 {
  78     return STATUS_UNSUCCESSFUL;
  79 }
  80
  81 HRESULT
  82 NTAPI
  83 CMiniportDMus::Init(
  84     IN PUNKNOWN  pUnknownAdapter,
  85     IN PRESOURCELIST  pResourceList,
  86     IN PPORTDMUS  pPort,
  87     OUT PSERVICEGROUP  *ppServiceGroup
  88     )
  89 {
  90     return STATUS_UNSUCCESSFUL;
  91 }
  92
  93 HRESULT
  94 NTAPI
  95 CMiniportDMus::NewStream(
  96     OUT PMXF  *ppMXF,
  97     IN PUNKNOWN  pOuterUnknown  OPTIONAL,
  98     IN POOL_TYPE  PoolType,
  99     IN ULONG  uPinId,
 100     IN DMUS_STREAM_TYPE  StreamType,
 101     IN PKSDATAFORMAT  pDataFormat,
 102     OUT PSERVICEGROUP  *ppServiceGroup,
 103     IN PAllocatorMXF  pAllocatorMXF,
 104     IN PMASTERCLOCK  pMasterClock,
 105     OUT PULONGLONG  puuSchedulePreFetch
 106     )
 107 {
 108     return STATUS_UNSUCCESSFUL;
 109 }
 110
 111 VOID
 112 NTAPI
 113 CMiniportDMus::Service()
 114 {
 115
 116 }
 117
 118 NTSTATUS
 119 NewMiniportDMusUART(
 120     OUT PMINIPORT* OutMiniport,
 121     IN  REFCLSID ClassId)
 122 {
 123     CMiniportDMus * This;
 124
 125     This = new(NonPagedPool, TAG_PORTCLASS)CMiniportDMus(NULL);
 126     if (!This)
 127         return STATUS_INSUFFICIENT_RESOURCES;
 128
 129     *OutMiniport = (PMINIPORT)This;
 130     This->AddRef();
 131
 132     return STATUS_SUCCESS;
 133 }
 134
 135