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UTCUtils.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：4k
源码类别：

多媒体编程

开发平台：

Visual C++

UTCUtils.h：源码内容
  1. /*
  2.      File:       UTCUtils.h
  3.  
  4.      Contains:   Interface for UTC to Local Time conversion and 64 Bit Clock routines
  5.  
  6.      Version:    Technology: Mac OS 9
  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 __UTCUTILS__
  18. #define __UTCUTILS__
  20. #ifndef __MACTYPES__
  21. #include "MacTypes.h"
  22. #endif
  24. #ifndef __MACERRORS__
  25. #include "MacErrors.h"
  26. #endif
  31. #if PRAGMA_ONCE
  32. #pragma once
  33. #endif
  35. #ifdef __cplusplus
  36. extern "C" {
  37. #endif
  39. #if PRAGMA_IMPORT
  40. #pragma import on
  41. #endif
  43. #if PRAGMA_STRUCT_ALIGN
  44.     #pragma options align=mac68k
  45. #elif PRAGMA_STRUCT_PACKPUSH
  46.     #pragma pack(push, 2)
  47. #elif PRAGMA_STRUCT_PACK
  48.     #pragma pack(2)
  49. #endif
  51. /* Options for Set & Get DateTime Routines */
  52. enum {
  53.     kUTCDefaultOptions          = 0
  54. };
  56. /* 64 Bit Clock Typedefs */
  58. struct UTCDateTime {
  59.     UInt16                          highSeconds;
  60.     UInt32                          lowSeconds;
  61.     UInt16                          fraction;
  62. };
  63. typedef struct UTCDateTime              UTCDateTime;
  64. typedef UTCDateTime *                   UTCDateTimePtr;
  65. typedef UTCDateTimePtr *                UTCDateTimeHandle;
  67. struct LocalDateTime {
  68.     UInt16                          highSeconds;
  69.     UInt32                          lowSeconds;
  70.     UInt16                          fraction;
  71. };
  72. typedef struct LocalDateTime            LocalDateTime;
  73. typedef LocalDateTime *                 LocalDateTimePtr;
  74. typedef LocalDateTimePtr *              LocalDateTimeHandle;
  75. /* Classic 32 bit clock conversion routines */
  76. #if CALL_NOT_IN_CARBON
  77. EXTERN_API_C( OSStatus )
  78. ConvertLocalTimeToUTC           (UInt32                 localSeconds,
  79.                                  UInt32 *               utcSeconds);
  81. EXTERN_API_C( OSStatus )
  82. ConvertUTCToLocalTime           (UInt32                 utcSeconds,
  83.                                  UInt32 *               localSeconds);
  85. /* 64 bit clock conversion routines */
  86. EXTERN_API_C( OSStatus )
  87. ConvertUTCToLocalDateTime       (const UTCDateTime *    utcDateTime,
  88.                                  LocalDateTime *        localDateTime);
  90. EXTERN_API_C( OSStatus )
  91. ConvertLocalToUTCDateTime       (const LocalDateTime *  localDateTime,
  92.                                  UTCDateTime *          utcDateTime);
  94. /* Getter and Setter Clock routines using 64 Bit values */
  95. EXTERN_API_C( OSStatus )
  96. GetUTCDateTime                  (UTCDateTime *          utcDateTime,
  97.                                  OptionBits             options);
  99. EXTERN_API_C( OSStatus )
  100. SetUTCDateTime                  (const UTCDateTime *    utcDateTime,
  101.                                  OptionBits             options);
  103. EXTERN_API_C( OSStatus )
  104. GetLocalDateTime                (LocalDateTime *        localDateTime,
  105.                                  OptionBits             options);
  107. EXTERN_API_C( OSStatus )
  108. SetLocalDateTime                (const LocalDateTime *  localDateTime,
  109.                                  OptionBits             options);
  111. #endif  /* CALL_NOT_IN_CARBON */
  114. #if PRAGMA_STRUCT_ALIGN
  115.     #pragma options align=reset
  116. #elif PRAGMA_STRUCT_PACKPUSH
  117.     #pragma pack(pop)
  118. #elif PRAGMA_STRUCT_PACK
  119.     #pragma pack()
  120. #endif
  122. #ifdef PRAGMA_IMPORT_OFF
  123. #pragma import off
  124. #elif PRAGMA_IMPORT
  125. #pragma import reset
  126. #endif
  128. #ifdef __cplusplus
  129. }
  130. #endif
  132. #endif /* __UTCUTILS__ */