reactos/drivers/wdm/audio/backpln/portcls/drm_port.cpp

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Kernel Streaming
   4  * FILE:            drivers/wdm/audio/backpln/portcls/drm_port.cpp
   5  * PURPOSE:         portcls drm port object
   6  * PROGRAMMER:      Johannes Anderwald
   7  */
   8
   9 #include "private.hpp"
  10
  11 class CDrmPort2 : public IDrmPort2
  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_IDrmPort2;
  33     CDrmPort2(IUnknown *OuterUnknown){}
  34     virtual ~CDrmPort2(){}
  35
  36 protected:
  37     LONG m_Ref;
  38
  39 };
  40
  41 NTSTATUS
  42 NTAPI
  43 CDrmPort2::QueryInterface(
  44     IN  REFIID refiid,
  45     OUT PVOID* Output)
  46 {
  47     UNICODE_STRING GuidString;
  48
  49     if (IsEqualGUIDAligned(refiid, IID_IDrmPort) ||
  50         IsEqualGUIDAligned(refiid, IID_IDrmPort2) ||
  51         IsEqualGUIDAligned(refiid, IID_IUnknown))
  52     {
  53         *Output = PVOID(PUNKNOWN(this));
  54         PUNKNOWN(*Output)->AddRef();
  55         return STATUS_SUCCESS;
  56     }
  57
  58     if (RtlStringFromGUID(refiid, &GuidString) == STATUS_SUCCESS)
  59     {
  60         DPRINT("IDrmPort2_QueryInterface no interface!!! iface %S\n", GuidString.Buffer);
  61         RtlFreeUnicodeString(&GuidString);
  62     }
  63     return STATUS_UNSUCCESSFUL;
  64 }
  65
  66 NTSTATUS
  67 NTAPI
  68 CDrmPort2::CreateContentMixed(
  69     IN  PULONG paContentId,
  70     IN  ULONG cContentId,
  71     OUT PULONG pMixedContentId)
  72 {
  73     PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
  74     return DrmCreateContentMixed(paContentId, cContentId, pMixedContentId);
  75 }
  76
  77 NTSTATUS
  78 NTAPI
  79 CDrmPort2::DestroyContent(
  80     IN ULONG ContentId)
  81 {
  82     PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
  83     return DrmDestroyContent(ContentId);
  84 }
  85
  86 NTSTATUS
  87 NTAPI
  88 CDrmPort2::ForwardContentToFileObject(
  89     IN ULONG ContentId,
  90     IN PFILE_OBJECT FileObject)
  91 {
  92     return DrmForwardContentToFileObject(ContentId, FileObject);
  93 }
  94
  95 NTSTATUS
  96 NTAPI
  97 CDrmPort2::ForwardContentToInterface(
  98     IN ULONG ContentId,
  99     IN PUNKNOWN pUnknown,
 100     IN ULONG NumMethods)
 101 {
 102     PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 103     return DrmForwardContentToInterface(ContentId, pUnknown, NumMethods);
 104 }
 105
 106 NTSTATUS
 107 NTAPI
 108 CDrmPort2::GetContentRights(
 109     IN ULONG ContentId,
 110     OUT PDRMRIGHTS  DrmRights)
 111 {
 112     PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 113     return DrmGetContentRights(ContentId, DrmRights);
 114 }
 115
 116 NTSTATUS
 117 NTAPI
 118 CDrmPort2::AddContentHandlers(
 119     IN ULONG ContentId,
 120     IN PVOID * paHandlers,
 121     IN ULONG NumHandlers)
 122 {
 123     PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 124     return DrmAddContentHandlers(ContentId, paHandlers, NumHandlers);
 125 }
 126
 127 NTSTATUS
 128 NTAPI
 129 CDrmPort2::ForwardContentToDeviceObject(
 130     IN ULONG ContentId,
 131     IN PVOID Reserved,
 132     IN PCDRMFORWARD DrmForward)
 133 {
 134     PC_ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 135     return DrmForwardContentToDeviceObject(ContentId, Reserved, DrmForward);
 136 }
 137
 138 NTSTATUS
 139 NewIDrmPort(
 140     OUT PDRMPORT2 *OutPort)
 141 {
 142     CDrmPort2 * This = new(NonPagedPool, TAG_PORTCLASS)CDrmPort2(NULL);
 143     if (!This)
 144         return STATUS_INSUFFICIENT_RESOURCES;
 145
 146     This->AddRef();
 147
 148     *OutPort = (PDRMPORT2)This;
 149     return STATUS_SUCCESS;
 150 }
 151
 152