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

   1 #include "private.h"
   2
   3
   4 const GUID IID_IDrmPort;
   5 const GUID IID_IDrmPort2;
   6
   7 typedef struct
   8 {
   9     IDrmPort2Vtbl *lpVtbl;
  10     LONG ref;
  11 }IDrmPort2Impl;
  12
  13 ULONG
  14 NTAPI
  15 IDrmPort2_fnAddRef(
  16     IN IDrmPort2* iface)
  17 {
  18     IDrmPort2Impl * This = (IDrmPort2Impl*)iface;
  19
  20     DPRINT("IDrmPort2_AddRef: This %p\n", This);
  21
  22     return _InterlockedIncrement(&This->ref);
  23 }
  24
  25 ULONG
  26 NTAPI
  27 IDrmPort2_fnRelease(
  28     IN IDrmPort2* iface)
  29 {
  30     IDrmPort2Impl * This = (IDrmPort2Impl*)iface;
  31
  32     _InterlockedDecrement(&This->ref);
  33
  34     if (This->ref == 0)
  35     {
  36         ExFreePoolWithTag(This, TAG_PORTCLASS);
  37         return 0;
  38     }
  39     /* Return new reference count */
  40     return This->ref;
  41 }
  42
  43 NTSTATUS
  44 NTAPI
  45 IDrmPort2_fnQueryInterface(
  46     IN IDrmPort2* iface,
  47     IN  REFIID refiid,
  48     OUT PVOID* Output)
  49 {
  50     IDrmPort2Impl * This = (IDrmPort2Impl*)iface;
  51
  52     if (IsEqualGUIDAligned(refiid, &IID_IDrmPort) ||
  53         IsEqualGUIDAligned(refiid, &IID_IDrmPort2) ||
  54         IsEqualGUIDAligned(refiid, &IID_IUnknown))
  55     {
  56         *Output = (PVOID)&This->lpVtbl;
  57         _InterlockedIncrement(&This->ref);
  58         return STATUS_SUCCESS;
  59     }
  60
  61     DPRINT("IDrmPort2_QueryInterface: This %p unknown iid\n", This, This->ref);
  62     return STATUS_UNSUCCESSFUL;
  63 }
  64
  65 NTSTATUS
  66 NTAPI
  67 IDrmPort2_fnCreateContentMixed(
  68     IN IDrmPort2 * iface,
  69     IN  PULONG paContentId,
  70     IN  ULONG cContentId,
  71     OUT PULONG pMixedContentId)
  72 {
  73     return DrmCreateContentMixed(paContentId, cContentId, pMixedContentId);
  74 }
  75
  76 NTSTATUS
  77 NTAPI
  78 IDrmPort2_fnDestroyContent(
  79     IN IDrmPort2 * iface,
  80     IN ULONG ContentId)
  81 {
  82     return DrmDestroyContent(ContentId);
  83 }
  84
  85 NTSTATUS
  86 NTAPI
  87 IDrmPort2_fnForwardContentToFileObject(
  88     IN IDrmPort2 * iface,
  89     IN ULONG ContentId,
  90     IN PFILE_OBJECT FileObject)
  91 {
  92     return DrmForwardContentToFileObject(ContentId, FileObject);
  93 }
  94
  95 NTSTATUS
  96 NTAPI
  97 IDrmPort2_fnForwardContentToInterface(
  98     IN IDrmPort2 * iface,
  99     IN ULONG ContentId,
 100     IN PUNKNOWN pUnknown,
 101     IN ULONG NumMethods)
 102 {
 103     return DrmForwardContentToInterface(ContentId, pUnknown, NumMethods);
 104 }
 105
 106 NTSTATUS
 107 NTAPI
 108 IDrmPort2_fnGetContentRights(
 109     IN IDrmPort2 * iface,
 110     IN ULONG ContentId,
 111     OUT PDRMRIGHTS  DrmRights)
 112 {
 113     return DrmGetContentRights(ContentId, DrmRights);
 114 }
 115
 116 NTSTATUS
 117 NTAPI
 118 IDrmPort2_fnAddContentHandlers(
 119     IN IDrmPort2 * iface,
 120     IN ULONG ContentId,
 121     IN PVOID * paHandlers,
 122     IN ULONG NumHandlers)
 123 {
 124     return DrmAddContentHandlers(ContentId, paHandlers, NumHandlers);
 125 }
 126
 127 NTSTATUS
 128 NTAPI
 129 IDrmPort2_fnForwardContentToDeviceObject(
 130     IN IDrmPort2 * iface,
 131     IN ULONG ContentId,
 132     IN PVOID Reserved,
 133     IN PCDRMFORWARD DrmForward)
 134 {
 135     return DrmForwardContentToDeviceObject(ContentId, Reserved, DrmForward);
 136 }
 137
 138 static IDrmPort2Vtbl vt_IDrmPort2 =
 139 {
 140     /* IUnknown methods */
 141     IDrmPort2_fnQueryInterface,
 142     IDrmPort2_fnAddRef,
 143     IDrmPort2_fnRelease,
 144     IDrmPort2_fnCreateContentMixed,
 145     IDrmPort2_fnDestroyContent,
 146     IDrmPort2_fnForwardContentToFileObject,
 147     IDrmPort2_fnForwardContentToInterface,
 148     IDrmPort2_fnGetContentRights,
 149     IDrmPort2_fnAddContentHandlers,
 150     IDrmPort2_fnForwardContentToDeviceObject
 151 };
 152
 153 NTSTATUS
 154 NewIDrmPort(
 155     OUT PDRMPORT2 *OutPort)
 156 {
 157     IDrmPort2Impl * This = ExAllocatePoolWithTag(NonPagedPool, sizeof(IDrmPort2Impl), TAG_PORTCLASS);
 158     if (!This)
 159         return STATUS_INSUFFICIENT_RESOURCES;
 160
 161     This->lpVtbl = &vt_IDrmPort2;
 162     This->ref = 1;
 163
 164     *OutPort = (PDRMPORT2)&This->lpVtbl;
 165     return STATUS_SUCCESS;
 166 }