source: Daodan/MSYS2/mingw32/i686-w64-mingw32/include/ddk/drmk.h

/*
    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 /* DRMK_H */