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

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS Kernel Streaming
   4  * FILE:            drivers/wdm/audio/backpln/portcls/drm_port.c
   5  * PURPOSE:         portcls drm port object
   6  * PROGRAMMER:      Johannes Anderwald
   7  */
   8
   9 #include "private.h"
  10
  11 typedef struct
  12 {
  13     IDrmPort2Vtbl *lpVtbl;
  14     LONG ref;
  15 }IDrmPort2Impl;
  16
  17 ULONG
  18 NTAPI
  19 IDrmPort2_fnAddRef(
  20     IN IDrmPort2* iface)
  21 {
  22     IDrmPort2Impl * This = (IDrmPort2Impl*)iface;
  23
  24     DPRINT("IDrmPort2_AddRef: This %p\n", This);
  25
  26     return InterlockedIncrement(&This->ref);
  27 }
  28
  29 ULONG
  30 NTAPI
  31 IDrmPort2_fnRelease(
  32     IN IDrmPort2* iface)
  33 {
  34     IDrmPort2Impl * This = (IDrmPort2Impl*)iface;
  35
  36     InterlockedDecrement(&This->ref);
  37
  38     if (This->ref == 0)
  39     {
  40         FreeItem(This, TAG_PORTCLASS);
  41         return 0;
  42     }
  43     /* Return new reference count */
  44     return This->ref;
  45 }
  46
  47 NTSTATUS
  48 NTAPI
  49 IDrmPort2_fnQueryInterface(
  50     IN IDrmPort2* iface,
  51     IN  REFIID refiid,
  52     OUT PVOID* Output)
  53 {
  54     UNICODE_STRING GuidString;
  55     IDrmPort2Impl * This = (IDrmPort2Impl*)iface;
  56
  57     if (IsEqualGUIDAligned(refiid, &IID_IDrmPort) ||
  58         IsEqualGUIDAligned(refiid, &IID_IDrmPort2) ||
  59         IsEqualGUIDAligned(refiid, &IID_IUnknown))
  60     {
  61         *Output = (PVOID)&This->lpVtbl;
  62         InterlockedIncrement(&This->ref);
  63         return STATUS_SUCCESS;
  64     }
  65
  66     if (RtlStringFromGUID(refiid, &GuidString) == STATUS_SUCCESS)
  67     {
  68         DPRINT1("IDrmPort2_QueryInterface no interface!!! iface %S\n", GuidString.Buffer);
  69         RtlFreeUnicodeString(&GuidString);
  70     }
  71     return STATUS_UNSUCCESSFUL;
  72 }
  73
  74 NTSTATUS
  75 NTAPI
  76 IDrmPort2_fnCreateContentMixed(
  77     IN IDrmPort2 * iface,
  78     IN  PULONG paContentId,
  79     IN  ULONG cContentId,
  80     OUT PULONG pMixedContentId)
  81 {
  82     ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
  83     return DrmCreateContentMixed(paContentId, cContentId, pMixedContentId);
  84 }
  85
  86 NTSTATUS
  87 NTAPI
  88 IDrmPort2_fnDestroyContent(
  89     IN IDrmPort2 * iface,
  90     IN ULONG ContentId)
  91 {
  92     ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
  93     return DrmDestroyContent(ContentId);
  94 }
  95
  96 NTSTATUS
  97 NTAPI
  98 IDrmPort2_fnForwardContentToFileObject(
  99     IN IDrmPort2 * iface,
 100     IN ULONG ContentId,
 101     IN PFILE_OBJECT FileObject)
 102 {
 103     return DrmForwardContentToFileObject(ContentId, FileObject);
 104 }
 105
 106 NTSTATUS
 107 NTAPI
 108 IDrmPort2_fnForwardContentToInterface(
 109     IN IDrmPort2 * iface,
 110     IN ULONG ContentId,
 111     IN PUNKNOWN pUnknown,
 112     IN ULONG NumMethods)
 113 {
 114     ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 115     return DrmForwardContentToInterface(ContentId, pUnknown, NumMethods);
 116 }
 117
 118 NTSTATUS
 119 NTAPI
 120 IDrmPort2_fnGetContentRights(
 121     IN IDrmPort2 * iface,
 122     IN ULONG ContentId,
 123     OUT PDRMRIGHTS  DrmRights)
 124 {
 125     ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 126     return DrmGetContentRights(ContentId, DrmRights);
 127 }
 128
 129 NTSTATUS
 130 NTAPI
 131 IDrmPort2_fnAddContentHandlers(
 132     IN IDrmPort2 * iface,
 133     IN ULONG ContentId,
 134     IN PVOID * paHandlers,
 135     IN ULONG NumHandlers)
 136 {
 137     ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 138     return DrmAddContentHandlers(ContentId, paHandlers, NumHandlers);
 139 }
 140
 141 NTSTATUS
 142 NTAPI
 143 IDrmPort2_fnForwardContentToDeviceObject(
 144     IN IDrmPort2 * iface,
 145     IN ULONG ContentId,
 146     IN PVOID Reserved,
 147     IN PCDRMFORWARD DrmForward)
 148 {
 149     ASSERT_IRQL_EQUAL(PASSIVE_LEVEL);
 150     return DrmForwardContentToDeviceObject(ContentId, Reserved, DrmForward);
 151 }
 152
 153 static IDrmPort2Vtbl vt_IDrmPort2 =
 154 {
 155     /* IUnknown methods */
 156     IDrmPort2_fnQueryInterface,
 157     IDrmPort2_fnAddRef,
 158     IDrmPort2_fnRelease,
 159     IDrmPort2_fnCreateContentMixed,
 160     IDrmPort2_fnDestroyContent,
 161     IDrmPort2_fnForwardContentToFileObject,
 162     IDrmPort2_fnForwardContentToInterface,
 163     IDrmPort2_fnGetContentRights,
 164     IDrmPort2_fnAddContentHandlers,
 165     IDrmPort2_fnForwardContentToDeviceObject
 166 };
 167
 168 NTSTATUS
 169 NewIDrmPort(
 170     OUT PDRMPORT2 *OutPort)
 171 {
 172     IDrmPort2Impl * This = AllocateItem(NonPagedPool, sizeof(IDrmPort2Impl), TAG_PORTCLASS);
 173     if (!This)
 174         return STATUS_INSUFFICIENT_RESOURCES;
 175
 176     This->lpVtbl = &vt_IDrmPort2;
 177     This->ref = 1;
 178
 179     *OutPort = (PDRMPORT2)&This->lpVtbl;
 180     return STATUS_SUCCESS;
 181 }