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+/*
+ File: DeviceControl.h
+
+ Contains: Component API for doing AVC transactions.
+
+ Version: QuickTime 7.3
+
+ Copyright: (c) 2007 (c) 1999-2001 by Apple Computer, Inc., all rights reserved.
+
+ Bugs?: For bug reports, consult the following page on
+ the World Wide Web:
+
+ http://developer.apple.com/bugreporter/
+
+*/
+#ifndef __DEVICECONTROL__
+#define __DEVICECONTROL__
+
+#ifndef __MACTYPES__
+#include <MacTypes.h>
+#endif
+
+#ifndef __COMPONENTS__
+#include <Components.h>
+#endif
+
+
+
+
+
+#if PRAGMA_ONCE
+#pragma once
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if PRAGMA_IMPORT
+#pragma import on
+#endif
+
+#if PRAGMA_STRUCT_ALIGN
+ #pragma options align=mac68k
+#elif PRAGMA_STRUCT_PACKPUSH
+ #pragma pack(push, 2)
+#elif PRAGMA_STRUCT_PACK
+ #pragma pack(2)
+#endif
+
+typedef CALLBACK_API_C( UInt32 , DCResponseHandler )(UInt32 fwCommandObjectID, Ptr responseBuffer, UInt32 responseLength);
+struct DVCTransactionParams {
+ Ptr commandBufferPtr;
+ UInt32 commandLength;
+ Ptr responseBufferPtr;
+ UInt32 responseBufferSize;
+ DCResponseHandler * responseHandler;
+};
+typedef struct DVCTransactionParams DVCTransactionParams;
+/*
+ * DeviceControlDoAVCTransaction()
+ *
+ * Availability:
+ * Non-Carbon CFM: in IDHLib 1.0 and later
+ * CarbonLib: in CarbonLib 1.3 and later
+ * Mac OS X: not available
+ */
+EXTERN_API( ComponentResult )
+DeviceControlDoAVCTransaction(
+ ComponentInstance instance,
+ DVCTransactionParams * params) FIVEWORDINLINE(0x2F3C, 0x0004, 0x0001, 0x7000, 0xA82A);
+
+
+
+
+/* selectors for component calls */
+enum {
+ kDeviceControlDoAVCTransactionSelect = 0x0001
+};
+
+#if PRAGMA_STRUCT_ALIGN
+ #pragma options align=reset
+#elif PRAGMA_STRUCT_PACKPUSH
+ #pragma pack(pop)
+#elif PRAGMA_STRUCT_PACK
+ #pragma pack()
+#endif
+
+#ifdef PRAGMA_IMPORT_OFF
+#pragma import off
+#elif PRAGMA_IMPORT
+#pragma import reset
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __DEVICECONTROL__ */
+