typedef struct drmwaveformat_tag {
	WAVEFORMATEX    wfx;
	WORD            wReserved;
	ULONG           ulContentId;
	WAVEFORMATEX    wfxSecure;
} DRMWAVEFORMAT;

typedef DRMWAVEFORMAT       *PDRMWAVEFORMAT;

typedef DRMWAVEFORMAT NEAR *NPDRMWAVEFORMAT;

typedef DRMWAVEFORMAT FAR  *LPDRMWAVEFORMAT;