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Text File
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1995-11-16
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8KB
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138 lines
;***************************************************************************
;
; Module Name: ACB.H
;
; OS/2 2.0 Multimedia Extensions Sync/Stream Manager Associate
; Control Block Definitions.
;
; Copyright (c) International Business Machines Corporation 1991, 1992
; All Rights Reserved
;
;***************************************************************************
MAX_PORT_NAME EQU 40 ; Max port name length
MAX_PORTS EQU 16 ; Max number ports
;**********************************************
;*
;* ACB - Associate Control Block
;*
;* Each stream handler must define the
;* ACB for each data object type that
;* expect ACB's from the application.
;*
;*********************************************
ACB STRUC
acb_ulACBLen DD ? ; length of structure
acb_ulObjType DD ?
acb_ulParm1 DD ?
acb_ulParm2 DD ?
ACB ENDS
;******************************************************
;* FSSH - File system stream handler MMIO Object ACB
;*****************************************************
ACBTYPE_MMIO EQU 0001H ; MMIO object
ACB_MMIO STRUC
acbmmio_ulACBLen DD ? ; length of structure
acbmmio_ulObjType DD ? ; ACBTYPE_MMIO
acbmmio_hmmio DD ? ; Handle of media element mgr obj
ACB_MMIO ENDS
;******************************************************
;* MSH - Memory stream handler Playlist Object ACB
;*****************************************************
ACBTYPE_MEM_PLAYL EQU 0003H ; Memory playlist object
ACB_MEM_PLAYL STRUC
acbplyl_ulACBLen DD ? ; length of structure
acbplyl_ulObjType DD ? ; ACBTYPE_MEM_PLAYL
acbplyl_pMemoryAddr DD ? ; Starting address of memory obj
ACB_MEM_PLAYL ENDS
;******************************************************
;* CDDASH - CD DA stream handler Object ACB
;*****************************************************
ACBTYPE_CDDA EQU 0004H ; Compact disk - digital audio obj
ACB_CDDA STRUC
acbcdda_ulACBLen DD ? ; length of structure
acbcdda_ulObjType DD ? ; ACBTYPE_CDDA
acbcdda_bCDDrive DB ? ; CD drive letter
ACB_CDDA ENDS
;******************************************************
;* MISH - MIDI stream handler port-stream table ACB
;*****************************************************
ACBTYPE_MISH EQU 0005H ; MIDI port-stream table
ACB_MISH STRUC
acbmish_ulACBLen DD ? ; length of structure
acbmish_ulObjType DD ? ; ACBTYPE_MISH
acbmish_hstreamDefault DD ? ; Default hstream to use when mapper
; is turned off.
acbmish_ulDeviceTypeID DD ? ; device type id
acbmish_ulpMapperPorts DD ? ; pointer to mapper port table
acbmish_ulNumInStreams DD ?
acbmish_hstreamIn DD MAX_PORTS DUP (?) ; Array of Input streams
acbmish_ulNumOutStreams DD ?
acbmish_hstreamOut DD MAX_PORTS DUP (?) ; Array of Output streams
; The index into the array is
; the source channel for that
; stream.
ACB_MISH ENDS
;******************************************************
;* MISH - MIDI stream handler SET ACB
;*****************************************************
ACBTYPE_SET EQU 0006H ; MIDI set function
ACB_SET STRUC
acbset_ulACBLen DD ? ; length of structure
acbset_ulObjType DD ? ; ACBTYPE_SET
acbset_ulFlags DD ? ; Set flags
acbset_ulReserved DD ? ; Reserved
ACB_SET ENDS
; ulFlags defines:
MIDI_MAP_ON EQU 0000H ; turn mapping function on in MISH
MIDI_MAP_OFF EQU 0001H ; turn mapping function off in MISH
;******************************************************
;* NULLSH - Null stream handler user ACB
;*****************************************************
ACBTYPE_NULLSH EQU 0007H ; User od Null stream handler
ACB_NULLSH STRUC
acbnullsh_ulACBLen DD ? ; length of structure
acbnullsh_ulObjType DD ? ; ACBTYPE_NULLSH
acbnullsh_pfnEntry DD ? ; user callback entry point
acbnullsh_ulReserved DD ? ; Reserved
ACB_NULLSH ENDS
;******************************************************
;* MTSH - MultiTrack Stream Handler Object ACB
;*****************************************************
ACBTYPE_MTSH EQU 0008H ; MTSH object
ACB_MTSH STRUC
acbmtsh_ulACBLen DD ? ; length of structure
acbmtsh_ulObjType DD ? ; ACBTYPE_MTSH
acbmtsh_hmmio DD ? ; Handle of media element mgr obj
acbmtsh_mmtrackInfo DB SIZE MMTRACKINFO DUP (?) ; track for this stream
acbmtsh_ulFlags DD ? ; flags
acbmtsh_ulMaxBytesPerSec DD ? ; Max bytes per second
acbmtsh_ulAvgBytesPerSec DD ? ; Avg bytes per second
acbmtsh_mmtimePerFrame DD ? ; frame display time or 0L
acbmtsh_ulTotalFrames DD ? ; total number of video frames
ACB_MTSH ENDS
; ulFlags defines:
TRACK_ACTIVATE EQU 0000H ; Activate track in stream handler
TRACK_DEACTIVATE EQU 0001H ; Deactivate track in stream handler
;******************************************************
;* CSH - CODEC stream handler Object ACB
;*****************************************************
ACBTYPE_CODECSH EQU 0009H ; CODEC object
ACB_CODECSH STRUC
acbcodecsh_ulACBLen DD ? ; length of structure
acbcodecsh_ulObjType DD ? ; ACBTYPE_CODECSH
acbcodecsh_hstreamToPair DD ? ; 2nd stream of pair
acbcodecsh_pMmioInfo DD ? ; info for IO Proc
acbcodecsh_ulInfoLength DD ? ; length of MmioInfo
acbcodecsh_pCodecControl DD ? ; CODEC control info
acbcodecsh_ulControlLength DD ? ; length of CodecControl
ACB_CODECSH ENDS