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