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DeviceControl.h
资源名称：fullMPCcode.rar　[点击查看]
上传用户：xjjlds
上传日期：2015-12-05
资源大小：22823k
文件大小：2k
源码类别：

多媒体编程

开发平台：

Visual C++

DeviceControl.h：源码内容
  1. /*
  2.      File:       DeviceControl.h
  3.  
  4.      Contains:   Component API for doing AVC transactions.
  5.  
  6.      Version:    Technology: xxx put version here xxx
  7.                  Release:    QuickTime 6.0.2
  8.  
  9.      Copyright:  (c) 1999-2001 by Apple Computer, Inc., all rights reserved.
  10.  
  11.      Bugs?:      For bug reports, consult the following page on
  12.                  the World Wide Web:
  13.  
  14.                      http://developer.apple.com/bugreporter/
  15.  
  16. */
  17. #ifndef __DEVICECONTROL__
  18. #define __DEVICECONTROL__
  20. #ifndef __MACTYPES__
  21. #include "MacTypes.h"
  22. #endif
  24. #ifndef __COMPONENTS__
  25. #include "Components.h"
  26. #endif
  32. #if PRAGMA_ONCE
  33. #pragma once
  34. #endif
  36. #ifdef __cplusplus
  37. extern "C" {
  38. #endif
  40. #if PRAGMA_IMPORT
  41. #pragma import on
  42. #endif
  44. #if PRAGMA_STRUCT_ALIGN
  45.     #pragma options align=mac68k
  46. #elif PRAGMA_STRUCT_PACKPUSH
  47.     #pragma pack(push, 2)
  48. #elif PRAGMA_STRUCT_PACK
  49.     #pragma pack(2)
  50. #endif
  52. typedef CALLBACK_API_C( UInt32 , DCResponseHandler )(UInt32 fwCommandObjectID, Ptr responseBuffer, UInt32 responseLength);
  54. struct DVCTransactionParams {
  55.     Ptr                             commandBufferPtr;
  56.     UInt32                          commandLength;
  57.     Ptr                             responseBufferPtr;
  58.     UInt32                          responseBufferSize;
  59.     DCResponseHandler *             responseHandler;
  60. };
  61. typedef struct DVCTransactionParams     DVCTransactionParams;
  62. #if CALL_NOT_IN_CARBON
  63. EXTERN_API( ComponentResult )
  64. DeviceControlDoAVCTransaction   (ComponentInstance      instance,
  65.                                  DVCTransactionParams * params)                             FIVEWORDINLINE(0x2F3C, 0x0004, 0x0001, 0x7000, 0xA82A);
  69. /* selectors for component calls */
  70. enum {
  71.     kDeviceControlDoAVCTransactionSelect       = 0x0001
  72. };
  73. #endif  /* CALL_NOT_IN_CARBON */
  76. #if PRAGMA_STRUCT_ALIGN
  77.     #pragma options align=reset
  78. #elif PRAGMA_STRUCT_PACKPUSH
  79.     #pragma pack(pop)
  80. #elif PRAGMA_STRUCT_PACK
  81.     #pragma pack()
  82. #endif
  84. #ifdef PRAGMA_IMPORT_OFF
  85. #pragma import off
  86. #elif PRAGMA_IMPORT
  87. #pragma import reset
  88. #endif
  90. #ifdef __cplusplus
  91. }
  92. #endif
  94. #endif /* __DEVICECONTROL__ */