1 files changed, 46 insertions, 0 deletions
diff --git a/general/SimpleMediaSource/SimpleMediaSourceDriver/Device.h b/general/SimpleMediaSource/SimpleMediaSourceDriver/Device.h
new file mode 100644
index 00000000..6c2da5e4
--- /dev/null
+++ b/general/SimpleMediaSource/SimpleMediaSourceDriver/Device.h
@@ -0,0 +1,46 @@
+/*++
+
+Module Name:
+
+    device.h
+
+Abstract:
+
+    This file contains the device definitions.
+
+Environment:
+
+    User-mode Driver Framework 2
+
+--*/
+
+#include "public.h"
+
+EXTERN_C_START
+
+//
+// The device context performs the same job as
+// a WDM device extension in the driver frameworks
+//
+typedef struct _DEVICE_CONTEXT
+{
+    ULONG PrivateDeviceData;  // just a placeholder
+
+} DEVICE_CONTEXT, *PDEVICE_CONTEXT;
+
+//
+// This macro will generate an inline function called DeviceGetContext
+// which will be used to get a pointer to the device context memory
+// in a type safe manner.
+//
+WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(DEVICE_CONTEXT, DeviceGetContext)
+
+//
+// Function to initialize the device and its callbacks
+//
+NTSTATUS
+SimpleMediaSourceDriverCreateDevice(
+    _Inout_ PWDFDEVICE_INIT DeviceInit
+    );
+
+EXTERN_C_END