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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__ */
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