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Text File | 1993-04-23 | 26KB | 442 lines

;*************************************************************************** ; ; Module Name: SSM.H ; ; OS/2 2.0 Multimedia Extensions Sync/Stream Manager Definitions file ; ; Copyright (c) International Business Machines Corporation 1991, 1992 ; All Rights Reserved ; ;*************************************************************************** MAX_SPI_NAME EQU 9 ; Maximum ASCIIZ stream handler name/class ; and device driver name ;*************************************************************************** ; ; Global Type Declarations ; ;*************************************************************************** ; The following define was deleted because it conflicts with an OS/2 PM define ; typedef HID FAR *PHID; Pointer to Stream Handler ID LOCKH STRUC Memory_lock DB 16 DUP (?) LOCKH ENDS RC EQU ULONG ; Used for all return codes SLAVE STRUC slave_hstreamSlave DD ? ; Handle for this slave slave_mmtimeStart DD ? ; Offset in master stream time to start SLAVE ENDS MASTER STRUC master_hstreamMaster DD ? ; Handle for this master MASTER ENDS HAND STRUC hand_szHandlerClass DB MAX_SPI_NAME DUP (?) ; Stream handler class hand_szHandlerName DB MAX_SPI_NAME DUP (?) ; Stream handler name HAND ENDS INCLUDE spcb.INC INCLUDE evcb.INC INCLUDE acb.INC INCLUDE dcb.INC ;*************************************************************************** ; INI file support defines ;*************************************************************************** ; RCDATA defines: SPI_RESOURCE EQU 1 ; RCDATA resource number SH_DLL_TYPE EQU 0 ; DLL type stream handler SH_PDD_TYPE EQU 1 ; PDD type stream handler SPCBSIZE EQU 72 ; SPCB length, the Resource compiler ; doesn't allow sizeof(SPCB). ifdef XXXXX endif ;*************************************************************************** ; ; Function Prototypes for SPI functions ; All use Pure C calling convention ; Six major categories: ; - stream creation ; - stream control ; - event handling ; - sync handling ; - configuration ; - stream protocol programming ;*************************************************************************** ; The first thing in the pMsg must be the length of the structure! MSG_COMMON STRUC msg_ulMsgLen DD ? ; length of structure MSG_COMMON ENDS ; SpiStopStream() ulFlags defines: SPI_STOP_STREAM EQU 0000H ; Only stop this one stream ; The default is to pause the data ; stream. No change to data buffers. ; synchronous call (no event notification) SPI_STOP_SLAVES EQU 0001H ; Stop this master and any slaves SPI_STOP_FLUSH EQU 0002H ; Stop and flush all filled buffers. ; Stops the Src & Tgt SH, lets the ; Tgt SH run until out of buffers ; thereby, "flushing" all buffers. ; Tgt SH stops when out of buffers ; (This is a ASYNCHRONOUS call, event ; notification sent to appl when done.) SPI_STOP_DISCARD EQU 0004H ; Stop and discard all filled buffers. ; Stops the Src & Tgt SH ; then discards all buffers current for ; this stream. ; (This is a ASYNCHRONOUS call, event ; notification sent to appl when done.) ;*************************************************************************** ; ; Function Prototypes for SMH functions ; All use Pure C calling convention ; NOTE ABOUT POINTERS: ; 0:32 linear addresses for ring 3 (DLL) stream handlers ; 16:16 selector/offset addresses for ring 0 (PDD) stream handlers ;*************************************************************************** SMH_COMMON STRUC smhfunc_ulFunction DD ? ; SMH command function smhfunc_hid DD ? ; handler ID SMH_COMMON ENDS ;*************************************************************************** SMH_REGISTER EQU 0 ; (Valid only from ring 3 stream ; handler) PARM_REG STRUC smhreg_ulFunction DD ? ; SMH command function smhreg_pszSHName DD ? ; Max size = 8 characters smhreg_phidSrc DD ? ; (9 including null) smhreg_phidTgt DD ? smhreg_pshcfnEntry DD ? ; Handler entry point for SHC's ; Only used for Ring 0 handlers. smhreg_ulFlags DD ? smhreg_ulMaxNumStreams DD ? ; Max # of streams smhreg_ulMaxNumEvents DD ? ; Max # of events/stream PARM_REG ENDS REGISTER_TGT_HNDLR EQU 0001H ; This handler is Target. REGISTER_SRC_HNDLR EQU 0002H ; This handler is Source. ; Handlr can be both. REGISTER_NONSTREAMING EQU 0004H ; Handler is non-streaming. VALIDREGISTERFLAGS EQU (REGISTER_TGT_HNDLR OR REGISTER_SRC_HNDLR OR REGISTER_NONSTREAMING) ; Notes: ; - Since ring 0 (DD) stream handlers can not use the IDC interface to the ; sync/stream manager during DD initialization time, it must use the IOCTL ; function to perform the SMH_REGISTER function. The addresses are 16:16 ; for this IOCTl instead of 0:32, because it comes form a device driver. SSMDD_CATEGORY EQU 0081H ; Category (For ring 0 stream handler) IOCTL_FUNC_SMH_REGISTER EQU 0040H ; Function (For ring 0 stream handler) ;*************************************************************************** SMH_DEREGISTER EQU 1 ; SMH_Deregister() PARM_DEREG STRUC smhder_ulFunction DD ? ; SMH command function smhder_pszSHName DD ? ; Max size = 8 char, 9 includes PARM_DEREG ENDS ;*************************************************************************** SMH_REPORTEVENT EQU 2 ; SMH_ReportEvent() PARM_EVENT STRUC smhrev_ulFunction DD ? ; SMH command function smhrev_hid DD ? smhrev_hevent DD ? ; Used only for explicit events ; Must be 0 for sync and implicit ; events (i.e. error events) smhrev_pevcbEvent DD ? ; Event status & HSTREAM PARM_EVENT ENDS ;*************************************************************************** SMH_NOTIFY EQU 3 ; SMH_Notify() PARM_NOTIFY STRUC smhnot_ulFunction DD ? ; Input - SMH command function smhnot_hid DD ? ; Input smhnot_hstream DD ? ; Input smhnot_ulFlags DD ? ; Input/Output smhnot_ulGetNumEntries DD ? ; Input/Output - # of entries in table smhnot_ulRetNumEntries DD ? ; Input/Output - # of entries in table smhnot_pGetBufTab DD ? ; Output - Ptr to buffer/record table smhnot_pRetBufTab DD ? ; Input - Ptr to buffer/record table PARM_NOTIFY ENDS SRCBUFTAB STRUC srcbuftab_pBuffer DD ? ; Ptr to buffer srcbuftab_pRecord DD ? ; Ptr to record in buffer (split-streams only) srcbuftab_ulLength DD ? ; Max buf length on GetEmpty, Filled ; (actual) rec/buf length on ReturnFull. srcbuftab_ulMessageParm DD ? ; Message to passed to application srcbuftab_mmtimeOffset DD ? ; mmtime offset from beginning of buffer SRCBUFTAB ENDS TGTBUFTAB STRUC tgtbuftab_pBuffer DD ? ; Ptr to buffer tgtbuftab_ulBufId DD ? ; Buffer ID. Passed to SH on GetFull, must ; be passed back to SSM on ReturnEmpty. tgtbuftab_ulLength DD ? ; Filled (actual) buffer length on GetFull, ; unused on ReturnEmpty. tgtbuftab_ulMessageParm DD ? ; Message to passed to application tgtbuftab_mmtimeOffset DD ? ; mmtime offset from beginning of buffer TGTBUFTAB ENDS ; EXTENDED SMH_NOTIFY Structures PARM_ENOTIFY STRUC smhenot_ulFunction DD ? ; Input - SMH command function smhenot_hid DD ? ; Input smhenot_hstream DD ? ; Input smhenot_ulFlags DD ? ; Input/Output smhenot_ulGetNumEntries DD ? ; Input/Output - # of entries in table smhenot_ulRetNumEntries DD ? ; Input/Output - # of entries in table smhenot_pGetBufTab DD ? ; Output - Ptr to buffer/record table smhenot_pRetBufTab DD ? ; Input - Ptr to buffer/record table smhenot_ulParm1 DD ? ; Reserved for future use smhenot_ulParm2 DD ? ; Reserved for future use PARM_ENOTIFY ENDS ESRCBUFTAB STRUC esrcbuftab_pBuffer DD ? ; Ptr to buffer esrcbuftab_pRecord DD ? ; Ptr to record in buffer (split-streams only) esrcbuftab_ulLength DD ? ; Max buf length on GetEmpty, Filled ; (actual) rec/buf length on ReturnFull. esrcbuftab_ulMessageParm DD ? ; Message to passed to application esrcbuftab_mmtimeOffset DD ? ; mmtime offset from beginning of buffer esrcbuftab_ulParm1 DD ? ; Record or buffer specific data esrcbuftab_ulParm2 DD ? ; Record or buffer specific data ESRCBUFTAB ENDS ETGTBUFTAB STRUC etgtbuftab_pBuffer DD ? ; Ptr to buffer etgtbuftab_ulBufId DD ? ; Buffer ID. Passed to SH on GetFull, must ; be passed back to SSM on ReturnEmpty. etgtbuftab_ulLength DD ? ; Filled (actual) buffer length on GetFull, ; unused on ReturnEmpty. etgtbuftab_ulMessageParm DD ? ; Message to passed to application etgtbuftab_mmtimeOffset DD ? ; mmtime offset from beginning of buffer etgtbuftab_ulParm1 DD ? ; Buffer specific data etgtbuftab_ulParm2 DD ? ; Buffer specific data ETGTBUFTAB ENDS ; SMH_ulFlags: BUF_GETEMPTY EQU 00000001H ; Ptr returned in SMH_pGetBuffer BUF_RETURNFULL EQU 00000002H ; Ptr passed in SMH_pRetBuffer BUF_GETFULL EQU 00000004H ; Ptr returned in SMH_pGetBuffer BUF_RETURNEMPTY EQU 00000008H ; Ptr passed in SMH_pRetBuffer BUF_GIVEBUF EQU 00000010H ; Ptr passed in SMH_pRetBuffer BUF_EOS EQU 00000100H ; End of stream. Source sets this on ; last buffer. Target sets it after ; consuming the laset buffer. BUF_RECORDS EQU 00004000H ; One or more records (Split-stream) BUF_LASTRECORD EQU 00008000H ; (BUF_RETURNFULL only) Mark ; these record(s) as being the ; last in the buffer. So the SSM ; knows the maximum # of records ; produced for this buffer. ; (Split stream only) ; SMH_ulFlags: (Available at ring 0 only) BUF_LINEAR EQU 00010000H ; Ptrs are Global linear (Ring 0 only) BUF_PHYSICAL EQU 00020000H ; Ptrs are physical (Ring 0 only) ; (valid only for phyically ; contiguous buffers) BUF_RESERVED EQU 00040000H ; Reserved BUF_EXTENDED EQU 80000000H ; Use Extended SMH_NOTIFY structures VALIDSOURCEFLAGS EQU (BUF_RETURNFULL OR BUF_GETEMPTY OR BUF_EOS OR BUF_LASTRECORD OR BUF_PHYSICAL OR BUF_LINEAR OR BUF_RECORDS OR BUF_GIVEBUF OR BUF_EXTENDED) VALIDTARGETFLAGS EQU (BUF_RETURNEMPTY OR BUF_GETFULL OR BUF_PHYSICAL OR BUF_LINEAR OR BUF_EOS OR BUF_EXTENDED) ;*************************************************************************** SMH_LOCKMEM EQU 4 ; SMH_LockMem() PARM_LOCKM STRUC smhloc_ulFunction DD ? ; SMH command function smhloc_pBuffer DD ? smhloc_ulBufSize DD ? smhloc_plockh DD ? smhloc_ulFlags DD ? PARM_LOCKM ENDS ; SMH_ulFlags: SSM_LOCKMEM EQU 0000H ; Lock Memory. SSM_UNLOCKMEM EQU 0001H ; Unlock memory. SSM_CONTIGLOCK EQU 0002H ; Lock memory contiguously. ;*************************************************************************** ;*************************************************************************** ; ; Function Prototypes for SHC functions (Stream Handler Functions) ; All use Pure C calling convention ; ; NOTE ABOUT POINTERS: ; 0:32 linear addresses for ring 3 (DLL) stream handlers ; 16:16 selector/offset addresses for ring 0 (PDD) stream handlers ;*************************************************************************** SHC_COMMON STRUC shcfunc_ulFunction DD ? ; Handler command function shcfunc_hid DD ? ; handler ID SHC_COMMON ENDS ;*************************************************************************** SHC_ASSOCIATE EQU 0 PARM_ASSOC STRUC shcass_ulFunction DD ? ; Handler command function shcass_hid DD ? ; handler ID shcass_hstream DD ? ; handle of stream instance shcass_pacb DD ? ; pointer to associate control block PARM_ASSOC ENDS ;*************************************************************************** SHC_CLOSE EQU 1 PARM_CLOSE STRUC shcclo_ulFunction DD ? ; Handler command function shcclo_hid DD ? ; handler ID PARM_CLOSE ENDS ;*************************************************************************** SHC_CREATE EQU 2 PARM_CREATE STRUC shccrt_ulFunction DD ? ; Handler command function shccrt_hid DD ? ; handler ID shccrt_hstream DD ? ; handle of stream instance shccrt_spcbkey DB SIZE SPCBKEY DUP (?) ; type of stream to create shccrt_pspcb DD ? ; Pointer to SPCB from handler shccrt_hstreamBuf DD ? ; Used for split streams or to associate ; another stream with this stream. shccrt_pdcb DD ? ; pointer to device control block PARM_CREATE ENDS ;*************************************************************************** SHC_DESTROY EQU 3 PARM_DESTROY STRUC shcdes_ulFunction DD ? ; Handler command function shcdes_hid DD ? ; handler ID shcdes_hstream DD ? ; handle of stream instance PARM_DESTROY ENDS ;*************************************************************************** SHC_START EQU 4 PARM_START STRUC shcstr_ulFunction DD ? ; Handler command function shcstr_hid DD ? ; handler ID shcstr_hstream DD ? ; handle of stream instance shcstr_ulFlags DD ? ; Start flags PARM_START ENDS ; ulFlags: FLUSH_START EQU 0001H ; This start is a result of a Flush Stop command. ;*************************************************************************** SHC_STOP EQU 5 PARM_STOP STRUC shcstp_ulFunction DD ? ; Handler command function shcstp_hid DD ? ; handler ID shcstp_hstream DD ? ; handle of stream instance shcstp_ulFlags DD ? ; Stop flags (refer to ulFlags defines under ; SpiStopStream() call. PARM_STOP ENDS ;*************************************************************************** SHC_SEEK EQU 6 PARM_SEEK STRUC shcsek_ulFunction DD ? ; Handler command function shcsek_hid DD ? ; handler ID shcsek_hstream DD ? ; handle of stream instance shcsek_ulFlags DD ? ; Seek flag (refer to ulFlags defines ; under SpiSeekStream() call). shcsek_lSeekPoint DD ? ; seek to point , mmtime or other PARM_SEEK ENDS ;*************************************************************************** SHC_ENABLE_EVENT EQU 7 PARM_ENEVENT STRUC shceev_ulFunction DD ? ; Handler command function shceev_hid DD ? ; handler ID shceev_hevent DD ? ; handle of event to enable shceev_pevcbUser DD ? ; User event information (e.g. hstream ; EventType, EventSubType) PARM_ENEVENT ENDS ;*************************************************************************** SHC_DISABLE_EVENT EQU 8 PARM_DISEVENT STRUC shcdev_ulFunction DD ? ; Handler command function shcdev_hid DD ? ; handler ID shcdev_hstream DD ? ; handle to stream for this event shcdev_hevent DD ? ; handle of event to disable PARM_DISEVENT ENDS ;*************************************************************************** SHC_ENABLE_SYNC EQU 9 PARM_ENSYNC STRUC shcesy_ulFunction DD ? ; Handler command function shcesy_hid DD ? ; handler ID shcesy_hstream DD ? ; handle of stream instance shcesy_ulFlags DD ? ; Sync flags shcesy_mmtimeSync DD ? ; granularity of sync interval (if null, use default) shcesy_pevcbSyncPulse DD ? ; Sync pulse EVCB information shcesy_ulSyncPulseSem DD ? ; Optional 16 bit system ; Semaphore for handler PARM_ENSYNC ENDS ; ulFlags: SYNC_MASTER EQU 0000H ; The handler will be a master for this sync SYNC_SLAVE EQU 0001H ; The handler will be a slave for this sync ;*************************************************************************** SHC_DISABLE_SYNC EQU 10 PARM_DISSYNC STRUC shcdsy_ulFunction DD ? ; Handler command function shcdsy_hid DD ? ; handler ID shcdsy_hstream DD ? ; handle of stream instance PARM_DISSYNC ENDS ;*************************************************************************** SHC_GET_TIME EQU 11 PARM_GTIME STRUC shcgti_ulFunction DD ? ; Handler command function shcgti_hid DD ? ; handler ID shcgti_hstream DD ? ; handle of stream instance shcgti_mmtimeCurrent DD ? ; Returns current stream time PARM_GTIME ENDS ;*************************************************************************** SHC_GET_PROTOCOL EQU 12 PARM_GPROT STRUC shcgpt_ulFunction DD ? ; Handler command function shcgpt_hid DD ? ; handler ID shcgpt_spcbkey DB SIZE SPCBKEY DUP (?) ; key of SPCB shcgpt_pspcb DD ? ; ptr to SPCB (output) PARM_GPROT ENDS ;*************************************************************************** SHC_INSTALL_PROTOCOL EQU 13 PARM_INSTPROT STRUC shcipt_ulFunction DD ? ; Handler command function shcipt_hid DD ? ; handler ID shcipt_spcbkey DB SIZE SPCBKEY DUP (?) ; key of SPCB shcipt_pspcb DD ? ; ptr to SPCB to install shcipt_ulFlags DD ? ; Install / Deinstall flags PARM_INSTPROT ENDS ;*************************************************************************** SHC_ENUMERATE_PROTOCOLS EQU 14 PARM_ENUMPROT STRUC shcqpi_ulFunction DD ? ; Handler command function shcqpi_hid DD ? ; handler ID shcqpi_paSPCBKeys DD ? ; ptr to buffer to fill with SPCB keys shcqpi_pulNumSPCBKeys DD ? ; # of entries buffer on input, ; # of SPCB key on output. PARM_ENUMPROT ENDS ;*************************************************************************** SHC_NEGOTIATE_RESULT EQU 15 PARM_NEGOTIATE STRUC shcneg_ulFunction DD ? ; Handler command function shcneg_hid DD ? ; handler ID shcneg_hstream DD ? ; handle of stream instance shcneg_pspcb DD ? ; Ptr to negotiated SPCB shcneg_ulErrorStatus DD ? ; On error, indicates which field in the PARM_NEGOTIATE ENDS ;*************************************************************************** SHC_SENDMSG EQU 16 PARM_SNDMSG STRUC shcsndmsg_ulFunction DD ? ; Handler command function shcsndmsg_hid DD ? ; handler ID shcsndmsg_hstream DD ? ; handle of stream instance shcsndmsg_ulMsgType DD ? ; Stream handler message type shcsndmsg_pMsg DD ? ; Pointer to Message control block PARM_SNDMSG ENDS ;***************************************************************************