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17 lines
489 B
C
17 lines
489 B
C
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typedef struct _VIDEOPORT_EXTENSTION_DATA
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{
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PDEVICE_OBJECT DeviceObject;
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PKINTERRUPT InterruptObject;
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KSPIN_LOCK InterruptSpinLock;
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ULONG InterruptLevel;
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KIRQL IRQL;
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KAFFINITY Affinity;
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} VIDEOPORT_EXTENSION_DATA, *PVIDEOPORT_EXTENSION_DATA;
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#define MPExtensionToVPExtension(MPX) \
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((PVIDEOPORT_EXTENSION_DATA) ((DWORD) (MPX) - sizeof(VIDEOPORT_EXTENSION_DATA)))
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#define VPExtensionToMPExtension(VPX) \
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((PVOID) ((DWORD) (VPX) + sizeof(VIDEOPORT_EXTENSION_DATA)))
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