--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fuhtark_test/include/ddk/drmk.h	Wed Nov 26 21:36:48 2025 +0700
@@ -0,0 +1,117 @@
+/*
+    ReactOS Kernel Streaming
+    Digital Rights Management
+
+    Author: Andrew Greenwood
+*/
+
+#ifndef DRMK_H
+#define DRMK_H
+
+typedef struct
+{
+    DWORD Flags;
+    PDEVICE_OBJECT DeviceObject;
+    PFILE_OBJECT FileObject;
+    PVOID Context;
+} DRMFORWARD, *PDRMFORWARD, *PCDRMFORWARD;
+
+typedef struct
+{
+    BOOL CopyProtect;
+    ULONG Reserved;
+    BOOL DigitalOutputDisable;
+} DRMRIGHTS, *PDRMRIGHTS;
+
+typedef const DRMRIGHTS *PCDRMRIGHTS;
+
+/* ===============================================================
+    Digital Rights Management Functions
+    TODO: Check calling convention
+*/
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+NTSTATUS
+NTAPI
+DrmAddContentHandlers(
+    IN  ULONG ContentId,
+    IN  PVOID *paHandlers,
+    IN  ULONG NumHandlers);
+
+NTSTATUS
+NTAPI
+DrmCreateContentMixed(
+    IN  PULONG paContentId,
+    IN  ULONG cContentId,
+    OUT PULONG pMixedContentId);
+
+NTSTATUS
+NTAPI
+DrmDestroyContent(
+    IN  ULONG ContentId);
+
+NTSTATUS
+NTAPI
+DrmForwardContentToDeviceObject(
+    IN  ULONG ContentId,
+    IN  PVOID Reserved,
+    IN  PCDRMFORWARD DrmForward);
+
+NTSTATUS
+NTAPI
+DrmForwardContentToFileObject(
+    IN  ULONG ContentId,
+    IN  PFILE_OBJECT FileObject);
+
+NTSTATUS
+NTAPI
+DrmForwardContentToInterface(
+    IN  ULONG ContentId,
+    IN  PUNKNOWN pUnknown,
+    IN  ULONG NumMethods);
+
+NTSTATUS
+NTAPI
+DrmGetContentRights(
+    IN  ULONG ContentId,
+    OUT PDRMRIGHTS DrmRights);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
+DEFINE_GUID(IID_IDrmAudioStream,
+    0x1915c967, 0x3299, 0x48cb, 0xa3, 0xe4, 0x69, 0xfd, 0x1d, 0x1b, 0x30, 0x6e);
+
+#undef INTERFACE
+#define INTERFACE IDrmAudioStream
+
+DECLARE_INTERFACE_(IDrmAudioStream, IUnknown)
+{
+    STDMETHOD_(NTSTATUS, QueryInterface)(THIS_
+        REFIID InterfaceId,
+        PVOID* Interface
+        ) PURE;
+    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
+    STDMETHOD_(ULONG,Release)(THIS) PURE;
+    STDMETHOD_(NTSTATUS,SetContentId)(THIS_
+        IN ULONG ContentId,
+        IN PCDRMRIGHTS DrmRights) PURE;
+};
+
+typedef IDrmAudioStream *PDRMAUDIOSTREAM;
+
+#define IMP_IDrmAudioStream                 \
+    STDMETHODIMP_(NTSTATUS) SetContentId    \
+    (   IN      ULONG	    ContentId,      \
+        IN      PCDRMRIGHTS DrmRights       \
+    );
+
+
+#endif