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ADSP.h
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上传日期：2015-12-05
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文件大小：16k
源码类别：

多媒体编程

开发平台：

Visual C++

ADSP.h：源码内容
  1. /*
  2.      File:       ADSP.h
  3.  
  4.      Contains:   AppleTalk Data Stream Protocol (ADSP) Interfaces.
  5.  
  6.      Version:    Technology: System 7.5
  7.                  Release:    QuickTime 6.0.2
  8.  
  9.      Copyright:  (c) 1986-2001 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 __ADSP__
  18. #define __ADSP__
  20. #ifndef __MACERRORS__
  21. #include "MacErrors.h"
  22. #endif
  24. #ifndef __APPLETALK__
  25. #include "AppleTalk.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. /*driver control csCodes*/
  52. enum {
  53.     dspInit                     = 255,                          /* create a new connection end */
  54.     dspRemove                   = 254,                          /* remove a connection end */
  55.     dspOpen                     = 253,                          /* open a connection */
  56.     dspClose                    = 252,                          /* close a connection */
  57.     dspCLInit                   = 251,                          /* create a connection listener */
  58.     dspCLRemove                 = 250,                          /* remove a connection listener */
  59.     dspCLListen                 = 249,                          /* post a listener request */
  60.     dspCLDeny                   = 248,                          /* deny an open connection request */
  61.     dspStatus                   = 247,                          /* get status of connection end */
  62.     dspRead                     = 246,                          /* read data from the connection */
  63.     dspWrite                    = 245,                          /* write data on the connection */
  64.     dspAttention                = 244,                          /* send an attention message */
  65.     dspOptions                  = 243,                          /* set connection end options */
  66.     dspReset                    = 242,                          /* forward reset the connection */
  67.     dspNewCID                   = 241                           /* generate a cid for a connection end */
  68. };
  70. enum {
  71.                                                                 /* connection opening modes */
  72.     ocRequest                   = 1,                            /* request a connection with remote */
  73.     ocPassive                   = 2,                            /* wait for a connection request from remote */
  74.     ocAccept                    = 3,                            /* accept request as delivered by listener */
  75.     ocEstablish                 = 4                             /* consider connection to be open */
  76. };
  78. enum {
  79.                                                                 /* connection end states */
  80.     sListening                  = 1,                            /* for connection listeners */
  81.     sPassive                    = 2,                            /* waiting for a connection request from remote */
  82.     sOpening                    = 3,                            /* requesting a connection with remote */
  83.     sOpen                       = 4,                            /* connection is open */
  84.     sClosing                    = 5,                            /* connection is being torn down */
  85.     sClosed                     = 6                             /* connection end state is closed */
  86. };
  88. enum {
  89.                                                                 /* client event flags */
  90.     eClosed                     = 0x80,                         /* received connection closed advice */
  91.     eTearDown                   = 0x40,                         /* connection closed due to broken connection */
  92.     eAttention                  = 0x20,                         /* received attention message */
  93.     eFwdReset                   = 0x10                          /* received forward reset advice */
  94. };
  96. enum {
  97.                                                                 /* miscellaneous constants */
  98.     attnBufSize                 = 570,                          /* size of client attention buffer */
  99.     minDSPQueueSize             = 100                           /* Minimum size of receive or send Queue */
  100. };
  102. /* connection control block */
  103. typedef struct TRCCB                    TRCCB;
  104. typedef TRCCB *                         TPCCB;
  106. struct TRCCB {
  107.     TPCCB                           ccbLink;                    /* link to next ccb */
  108.     UInt16                          refNum;                     /* user reference number */
  109.     UInt16                          state;                      /* state of the connection end */
  110.     UInt8                           userFlags;                  /* flags for unsolicited connection events */
  111.     UInt8                           localSocket;                /* socket number of this connection end */
  112.     AddrBlock                       remoteAddress;              /* internet address of remote end */
  113.     UInt16                          attnCode;                   /* attention code received */
  114.     UInt16                          attnSize;                   /* size of received attention data */
  115.     void *                          attnPtr;                    /* ptr to received attention data */
  116.     UInt8                           reserved[220];              /* for adsp internal use */
  117. };
  119. typedef CALLBACK_API( void , ADSPConnectionEventProcPtr )(TPCCB sourceCCB);
  120. /*
  121.     WARNING: ADSPConnectionEventProcPtr uses register based parameters under classic 68k
  122.              and cannot be written in a high-level language without 
  123.              the help of mixed mode or assembly glue.
  124. */
  125. typedef struct DSPParamBlock            DSPParamBlock;
  126. typedef DSPParamBlock *                 DSPPBPtr;
  127. typedef CALLBACK_API( void , ADSPCompletionProcPtr )(DSPPBPtr thePBPtr);
  128. /*
  129.     WARNING: ADSPCompletionProcPtr uses register based parameters under classic 68k
  130.              and cannot be written in a high-level language without 
  131.              the help of mixed mode or assembly glue.
  132. */
  133. typedef REGISTER_UPP_TYPE(ADSPConnectionEventProcPtr)           ADSPConnectionEventUPP;
  134. typedef REGISTER_UPP_TYPE(ADSPCompletionProcPtr)                ADSPCompletionUPP;
  136. struct TRinitParams {
  137.     TPCCB                           ccbPtr;                     /* pointer to connection control block */
  138.     ADSPConnectionEventUPP          userRoutine;                /* client routine to call on event */
  139.     UInt16                          sendQSize;                  /* size of send queue (0..64K bytes) */
  140.     void *                          sendQueue;                  /* client passed send queue buffer */
  141.     UInt16                          recvQSize;                  /* size of receive queue (0..64K bytes) */
  142.     void *                          recvQueue;                  /* client passed receive queue buffer */
  143.     void *                          attnPtr;                    /* client passed receive attention buffer */
  144.     UInt8                           localSocket;                /* local socket number */
  145.     UInt8                           filler1;                    /* filler for proper byte alignment */
  146. };
  147. typedef struct TRinitParams             TRinitParams;
  149. struct TRopenParams {
  150.     UInt16                          localCID;                   /* local connection id */
  151.     UInt16                          remoteCID;                  /* remote connection id */
  152.     AddrBlock                       remoteAddress;              /* address of remote end */
  153.     AddrBlock                       filterAddress;              /* address filter */
  154.     UInt32                          sendSeq;                    /* local send sequence number */
  155.     UInt16                          sendWindow;                 /* send window size */
  156.     UInt32                          recvSeq;                    /* receive sequence number */
  157.     UInt32                          attnSendSeq;                /* attention send sequence number */
  158.     UInt32                          attnRecvSeq;                /* attention receive sequence number */
  159.     UInt8                           ocMode;                     /* open connection mode */
  160.     UInt8                           ocInterval;                 /* open connection request retry interval */
  161.     UInt8                           ocMaximum;                  /* open connection request retry maximum */
  162.     UInt8                           filler2;                    /* filler for proper byte alignment */
  163. };
  164. typedef struct TRopenParams             TRopenParams;
  166. struct TRcloseParams {
  167.     UInt8                           abort;                      /* abort connection immediately if non-zero */
  168.     UInt8                           filler3;                    /* filler for proper byte alignment */
  169. };
  170. typedef struct TRcloseParams            TRcloseParams;
  172. struct TRioParams {
  173.     UInt16                          reqCount;                   /* requested number of bytes */
  174.     UInt16                          actCount;                   /* actual number of bytes */
  175.     void *                          dataPtr;                    /* pointer to data buffer */
  176.     UInt8                           eom;                        /* indicates logical end of message */
  177.     UInt8                           flush;                      /* send data now */
  178. };
  179. typedef struct TRioParams               TRioParams;
  181. struct TRattnParams {
  182.     UInt16                          attnCode;                   /* client attention code */
  183.     UInt16                          attnSize;                   /* size of attention data */
  184.     void *                          attnData;                   /* pointer to attention data */
  185.     UInt8                           attnInterval;               /* retransmit timer in 10-tick intervals */
  186.     UInt8                           filler4;                    /* filler for proper byte alignment */
  187. };
  188. typedef struct TRattnParams             TRattnParams;
  190. struct TRstatusParams {
  191.     TPCCB                           statusCCB;                  /* pointer to ccb */
  192.     UInt16                          sendQPending;               /* pending bytes in send queue */
  193.     UInt16                          sendQFree;                  /* available buffer space in send queue */
  194.     UInt16                          recvQPending;               /* pending bytes in receive queue */
  195.     UInt16                          recvQFree;                  /* available buffer space in receive queue */
  196. };
  197. typedef struct TRstatusParams           TRstatusParams;
  199. struct TRoptionParams {
  200.     UInt16                          sendBlocking;               /* quantum for data packets */
  201.     UInt8                           sendTimer;                  /* send timer in 10-tick intervals */
  202.     UInt8                           rtmtTimer;                  /* retransmit timer in 10-tick intervals */
  203.     UInt8                           badSeqMax;                  /* threshold for sending retransmit advice */
  204.     UInt8                           useCheckSum;                /* use ddp packet checksum */
  205. };
  206. typedef struct TRoptionParams           TRoptionParams;
  208. struct TRnewcidParams {
  209.     UInt16                          newcid;                     /* new connection id returned */
  210. };
  211. typedef struct TRnewcidParams           TRnewcidParams;
  213. struct DSPParamBlock {
  214.     QElem *                         qLink;
  215.     short                           qType;
  216.     short                           ioTrap;
  217.     Ptr                             ioCmdAddr;
  218.     ADSPCompletionUPP               ioCompletion;
  219.     OSErr                           ioResult;
  220.     StringPtr                       ioNamePtr;
  221.     short                           ioVRefNum;
  222.     short                           ioCRefNum;                  /* adsp driver refNum */
  223.     short                           csCode;                     /* adsp driver control code */
  224.     long                            qStatus;                    /* adsp internal use */
  225.     short                           ccbRefNum;
  226.     union {
  227.         TRinitParams                    initParams;
  228.         TRopenParams                    openParams;
  229.         TRcloseParams                   closeParams;            /*dspClose, dspRemove*/
  230.         TRioParams                      ioParams;               /*dspRead, dspWrite*/
  231.         TRattnParams                    attnParams;             /*dspAttention*/
  232.         TRstatusParams                  statusParams;           /*dspStatus*/
  233.         TRoptionParams                  optionParams;           /*dspOptions*/
  234.         TRnewcidParams                  newCIDParams;           /*dspNewCID*/
  235.     }                                 u;
  236. };
  238. #if OPAQUE_UPP_TYPES
  239. #if CALL_NOT_IN_CARBON
  240.     EXTERN_API(ADSPConnectionEventUPP)
  241.     NewADSPConnectionEventUPP      (ADSPConnectionEventProcPtr userRoutine);
  243.     EXTERN_API(ADSPCompletionUPP)
  244.     NewADSPCompletionUPP           (ADSPCompletionProcPtr   userRoutine);
  246.     EXTERN_API(void)
  247.     DisposeADSPConnectionEventUPP    (ADSPConnectionEventUPP userUPP);
  249.     EXTERN_API(void)
  250.     DisposeADSPCompletionUPP       (ADSPCompletionUPP       userUPP);
  252.     EXTERN_API(void)
  253.     InvokeADSPConnectionEventUPP    (TPCCB                  sourceCCB,
  254.                                     ADSPConnectionEventUPP  userUPP);
  256.     EXTERN_API(void)
  257.     InvokeADSPCompletionUPP        (DSPPBPtr                thePBPtr,
  258.                                     ADSPCompletionUPP       userUPP);
  260. #endif  /* CALL_NOT_IN_CARBON */
  262. #else
  263.     enum { uppADSPConnectionEventProcInfo = 0x0000B802 };           /* register no_return_value Func(4_bytes:A1) */
  264.     enum { uppADSPCompletionProcInfo = 0x00009802 };                /* register no_return_value Func(4_bytes:A0) */
  265.     #define NewADSPConnectionEventUPP(userRoutine)                  (ADSPConnectionEventUPP)NewRoutineDescriptor((ProcPtr)(userRoutine), uppADSPConnectionEventProcInfo, GetCurrentArchitecture())
  266.     #define NewADSPCompletionUPP(userRoutine)                       (ADSPCompletionUPP)NewRoutineDescriptor((ProcPtr)(userRoutine), uppADSPCompletionProcInfo, GetCurrentArchitecture())
  267.     #define DisposeADSPConnectionEventUPP(userUPP)                  DisposeRoutineDescriptor(userUPP)
  268.     #define DisposeADSPCompletionUPP(userUPP)                       DisposeRoutineDescriptor(userUPP)
  269.     #if TARGET_OS_MAC && TARGET_CPU_68K && !TARGET_RT_MAC_CFM
  270.     #pragma parameter InvokeADSPConnectionEventUPP(__A1, __A0)
  271.     void InvokeADSPConnectionEventUPP(TPCCB sourceCCB, ADSPConnectionEventUPP userUPP) = 0x4E90;
  272.     #else
  273.         #define InvokeADSPConnectionEventUPP(sourceCCB, userUPP)        CALL_ONE_PARAMETER_UPP((userUPP), uppADSPConnectionEventProcInfo, (sourceCCB))
  274.     #endif
  275.     #if TARGET_OS_MAC && TARGET_CPU_68K && !TARGET_RT_MAC_CFM
  276.     #pragma parameter InvokeADSPCompletionUPP(__A0, __A1)
  277.     void InvokeADSPCompletionUPP(DSPPBPtr thePBPtr, ADSPCompletionUPP userUPP) = 0x4E91;
  278.     #else
  279.         #define InvokeADSPCompletionUPP(thePBPtr, userUPP)              CALL_ONE_PARAMETER_UPP((userUPP), uppADSPCompletionProcInfo, (thePBPtr))
  280.     #endif
  281. #endif
  282. /* support for pre-Carbon UPP routines: NewXXXProc and CallXXXProc */
  283. #define NewADSPConnectionEventProc(userRoutine)                 NewADSPConnectionEventUPP(userRoutine)
  284. #define NewADSPCompletionProc(userRoutine)                      NewADSPCompletionUPP(userRoutine)
  285. #define CallADSPConnectionEventProc(userRoutine, sourceCCB)     InvokeADSPConnectionEventUPP(sourceCCB, userRoutine)
  286. #define CallADSPCompletionProc(userRoutine, thePBPtr)           InvokeADSPCompletionUPP(thePBPtr, userRoutine)
  289. #if PRAGMA_STRUCT_ALIGN
  290.     #pragma options align=reset
  291. #elif PRAGMA_STRUCT_PACKPUSH
  292.     #pragma pack(pop)
  293. #elif PRAGMA_STRUCT_PACK
  294.     #pragma pack()
  295. #endif
  297. #ifdef PRAGMA_IMPORT_OFF
  298. #pragma import off
  299. #elif PRAGMA_IMPORT
  300. #pragma import reset
  301. #endif
  303. #ifdef __cplusplus
  304. }
  305. #endif
  307. #endif /* __ADSP__ */