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179 lines
4.8 KiB
179 lines
4.8 KiB
/*****************************************************************************
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//;
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// VTDAPI.INC
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//;
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// VTDAPI service equates and structures
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//;
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*****************************************************************************/
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#define MULTIMEDIA_OEM_ID 0x0440 // MS Reserved OEM # 34
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#define VTDAPI_DEVICE_ID MULTIMEDIA_OEM_ID + 2 // VTD API Device
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/* VTDAPI_Get_Version
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//;
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// ENTRY:
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// AX = 0
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// ES:BX = pointer to VTDAPI_Get_Version_Parameters structure
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//
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// RETURNS:
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// SUCCESS: AX == TRUE
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// ERROR: AX == FALSE
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*/
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#define VTDAPI_Get_Version 0
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/* VTDAPI_Begin_Min_Int_Period
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//;
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// ENTRY:
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// AX = 1
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// CX = interrupt period in ms
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//
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// RETURNS:
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// SUCCESS: AX != 0
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// ERROR: AX == 0
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*/
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#define VTDAPI_Begin_Min_Int_Period 1
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/* VTDAPI_End_Min_Int_Period
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//;
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// ENTRY:
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// AX = 2
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// ES:BX = pointer to word interrupt period in ms
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//;
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// RETURNS:
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// SUCCESS: AX == TIMERR_NOERROR
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// ERROR: AX == TIMERR_NOCANDO
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*/
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#define VTDAPI_End_Min_Int_Period 2
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/* VTDAPI_Get_Int_Period
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//;
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// ENTRY:
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// AX = 3
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//;
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// RETURNS:
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// DX:AX = current period (resolution) in ms
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*/
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#define VTDAPI_Get_Int_Period 3
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/* VTDAPI_Get_Sys_Time
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//;
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// ENTRY:
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// AX = 4
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//;
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// RETURNS:
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// DX:AX = current time in ms
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*/
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#define VTDAPI_Get_Sys_Time 4
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/* VTDAPI_Timer_Start
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//;
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// ENTRY:
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// AX = 5
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// ES:BX = pointer to VTDAPI_Timer_Parameters structure
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//;
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// RETURNS:
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// SUCCESS: AX != 0, 16 bit timer handle
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// ERROR: AX == 0
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*/
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#define VTDAPI_Timer_Start 5
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/* VTDAPI_Timer_Stop
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//;
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// ENTRY:
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// AX = 6
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// CX = 16 bit timer handle from VTDAPI_Timer_Start
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//;
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// RETURNS:
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// SUCCESS: AX == TIMERR_NOERROR
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// ERROR: AX == TIMERR_NOCANDO, invalid timer handle
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*/
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#define VTDAPI_Timer_Stop 6
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/* VTDAPI_Start_User_Timer
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//;
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// ENTRY:
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// AX = 7
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// ES:BX = pointer to VTDAPI_Timer_Parameters structure
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//;
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// RETURNS:
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// SUCCESS: EAX != 0, 32 bit timer handle
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// ERROR: EAX == 0
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*/
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#define VTDAPI_Start_User_Timer 7
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/* VTDAPI_Stop_User_Timer
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//;
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// ENTRY:
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// AX = 8
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// ES:BX = pointer to 32 bit timer handle from VTDAPI_Start_User_Timer
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//;
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// RETURNS:
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// SUCCESS: AX == 0
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// ERROR: AX != 0
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*/
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#define VTDAPI_Stop_User_Timer 8
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/* VTDAPI_Get_System_Time_Selector
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//;
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// ENTRY:
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// AX = 9
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//;
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// RETURNS:
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// SUCCESS: AX = R/O selector to a dword of running ms
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// ERROR: AX == 0
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*/
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#define VTDAPI_Get_System_Time_Selector 9
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/* VTDAPI_Cleanup_Timers
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//;
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// ENTRY:
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// AX = 10
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// CX = CS selector
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//;
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// RETURNS:
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// NONE
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*/
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#define VTDAPI_Cleanup_Timers 10
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typedef struct VTDAPI_Get_Version_Parameters {
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DWORD VTDAPI_Version;
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DWORD VTDAPI_Min_Period;
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DWORD VTDAPI_Max_Period;
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} VTDAPI_Get_Version_Parameters;
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typedef struct VTDAPI_Timer_Parameters {
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WORD VTDAPI_Timer_Period;
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WORD VTDAPI_Timer_Resolution;
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DWORD VTDAPI_Timer_IPCS;
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DWORD VTDAPI_Timer_Inst;
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WORD VTDAPI_Timer_Flags;
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DWORD VTDAPI_Timer_Ring0_Thread; /* ;Internal */
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DWORD VTDAPI_Timer_Handle; /* ;Internal */
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} VTDAPI_Timer_Parameters;
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#ifndef TIME_ONESHOT
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#define TIME_ONESHOT 0x0000 // program timer for single event
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#define TIME_PERIODIC 0x0001 // program for continuous periodic event
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#endif
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#define TIME_PERIODIC_BIT 0x00 /* ;Internal */
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#define TIME_SYSCB 0x0002 // use windows timer events /* ;Internal */
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#define TIME_EVENT_SET 0x0010 // Set event /* ;Internal */
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#define TIME_EVENT_PULSE 0x0020 // Pulse event /* ;Internal */
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#define TIME_APC 0x0040 // APC callback /* ;Internal */
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#define TIME_VALID_FLAGS 0x0073 // Valid flags /* ;Internal */
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#ifndef TIMERR_BASE
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#define TIMERR_BASE 96
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#define TIMERR_NOERROR 0 // no error
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#define TIMERR_NOCANDO (TIMERR_BASE+1) // the operation wasn't executed
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#endif
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#define VTDAPI_IOCTL_Get_Version 0 /* ;Internal */
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#define VTDAPI_IOCTL_Get_Resolution 1 /* ;Internal */
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#define VTDAPI_IOCTL_Begin_Min_Int_Period 2 /* ;Internal */
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#define VTDAPI_IOCTL_End_Min_Int_Period 3 /* ;Internal */
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#define VTDAPI_IOCTL_Get_Int_Period 4 /* ;Internal */
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#define VTDAPI_IOCTL_Get_Sys_Time 5 /* ;Internal */
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#define VTDAPI_IOCTL_Timer_Start 6 /* ;Internal */
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#define VTDAPI_IOCTL_Timer_Stop 7 /* ;Internal */
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#define VTDAPI_IOCTL_Timer_Rundown 8 /* ;Internal */
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