293 lines
8.6 KiB
C
293 lines
8.6 KiB
C
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// $Header: G:/SwDev/WDM/Video/bt848/rcs/Xbar.h 1.8 1998/04/29 22:43:42 tomz Exp $
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#ifndef __XBAR_H
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#define __XBAR_H
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//
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// This file defines interconnections between components via Mediums
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//
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifdef BT848_MEDIUMS
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#define MEDIUM_DECL
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#else
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#define MEDIUM_DECL extern
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#endif
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/* -----------------------------------------------------------
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Topology of all devices:
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PinDir FilterPin# M_GUID#
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TVTuner
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TVTunerVideo out 0 0
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TVTunerAudio out 1 1
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TVAudio
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TVTunerAudio in 0 1
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TVAudio out 1 3
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Crossbar
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TVTunerVideo in 0 0
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TVAudio in 3 3
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AnalogVideoOut out 4 4
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AnalogAudioOut out 5 NULL
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Capture
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AnalogVideoIn in 0 4
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All other pins are marked as promiscuous connections via GUID_NULL
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------------------------------------------------------------------ */
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// Define the GUIDs which will be used to create the Mediums
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#define M_GUID0 0xa19dc0e0, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID1 0xa19dc0e1, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID2 0xa19dc0e2, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID3 0xa19dc0e3, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID4 0xa19dc0e4, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID5 0xa19dc0e5, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID6 0xa19dc0e6, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID7 0xa19dc0e7, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID8 0xa19dc0e8, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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#define M_GUID9 0xa19dc0e9, 0x3b39, 0x11d1, 0x90, 0x5f, 0x0, 0x0, 0xc0, 0xcc, 0x16, 0xba
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// Note: To allow multiple instances of the same piece of hardware,
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// set the first ULONG after the GUID in the Medium to a unique value.
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// ---------------------------------------------------------------
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MEDIUM_DECL KSPIN_MEDIUM TVTunerMediums[2]
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#ifdef BT848_MEDIUMS
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= {
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{M_GUID0, 0, 0}, // Pin 0
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{M_GUID1, 0, 0}, // Pin 1
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}
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#endif
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;
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MEDIUM_DECL BOOL TVTunerPinDirection [2]
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#ifdef BT848_MEDIUMS
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= {
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TRUE, // Output Pin 0
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TRUE, // Output Pin 1
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}
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#endif
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;
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// -----------------------------------------------
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MEDIUM_DECL KSPIN_MEDIUM TVAudioMediums[2]
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#ifdef BT848_MEDIUMS
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= {
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{M_GUID1, 0, 0}, // Pin 0
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{M_GUID3, 0, 0}, // Pin 1
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}
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#endif
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;
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MEDIUM_DECL BOOL TVAudioPinDirection [2]
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#ifdef BT848_MEDIUMS
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= {
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FALSE, // Input Pin 0
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TRUE, // Output Pin 1
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}
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#endif
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;
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// ---------------------------------------------------------------
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MEDIUM_DECL KSPIN_MEDIUM CrossbarMediums[6]
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#ifdef BT848_MEDIUMS
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= {
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{STATIC_GUID_NULL, 0, 0}, // Input Pin 0 - SVideoIn
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{M_GUID0, 0, 0}, // Input Pin 2, KS_PhysConn_Video_Tuner,
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{STATIC_GUID_NULL, 0, 0}, // Input Pin 1 - VideoCompositeIn
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{M_GUID3, 0, 0}, // Input Pin 3 KS_PhysConn_Audio_Tuner,
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{M_GUID4, 0, 0}, // Output Pin 4 - VideoDecoderOut
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{STATIC_GUID_NULL, 0, 0}, // Output Pin 5 KS_PhysConn_Audio_AudioDecoder,
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}
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#endif
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;
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MEDIUM_DECL BOOL CrossbarPinDirection [6]
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#ifdef BT848_MEDIUMS
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= {
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FALSE, // Input Pin 0
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FALSE, // Input Pin 1
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FALSE, // Input Pin 2
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FALSE, // Input Pin 3
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TRUE, // Output Pin 4
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TRUE, // Output Pin 5
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}
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#endif
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;
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// ---------------------------------------------------------------
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MEDIUM_DECL KSPIN_MEDIUM CaptureMediums[4]
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#ifdef BT848_MEDIUMS
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= {
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// should change STATIC_KSMEDIUMSETID_Standard to
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// STATIC_GUID_NULL when it works
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{STATIC_KSMEDIUMSETID_Standard, 0, 0}, // Pin 0 Capture
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{STATIC_KSMEDIUMSETID_Standard, 0, 0}, // Pin 1 Preview
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{STATIC_KSMEDIUMSETID_Standard, 0, 0}, // Pin 2 VBI
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{M_GUID4, 0, 0}, // Pin 3 Analog Video In
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}
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#endif
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;
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MEDIUM_DECL BOOL CapturePinDirection [4]
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#ifdef BT848_MEDIUMS
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= {
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TRUE, // Output Pin 0
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TRUE, // Output Pin 1
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TRUE, // Output Pin 2
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FALSE, // Input Pin 3
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}
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#endif
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;
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MEDIUM_DECL GUID CaptureCategories [4]
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#ifdef BT848_MEDIUMS
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= {
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STATIC_PINNAME_VIDEO_CAPTURE, // Pin 0
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STATIC_PINNAME_VIDEO_PREVIEW, // Pin 1
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STATIC_PINNAME_VIDEO_VBI, // Pin 2
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STATIC_PINNAME_VIDEO_ANALOGVIDEOIN, // Pin 3
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}
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#endif
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;
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#ifdef __cplusplus
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}
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#endif
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// ---------------------------------------------------------------
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struct _XBAR_PIN_DESCRIPTION {
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ULONG PinType;
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ULONG RelatedPinIndex;
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ULONG IsRoutedTo; // Index of input pin in use
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ULONG PinNo; // pin number as hard-wired; i.e. mux input 1; to be used in calls
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// into the decoder to select a mux input
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const KSPIN_MEDIUM *Medium;
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_XBAR_PIN_DESCRIPTION( ULONG type, ULONG no, ULONG rel, const KSPIN_MEDIUM *);
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_XBAR_PIN_DESCRIPTION(){}
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};
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inline _XBAR_PIN_DESCRIPTION::_XBAR_PIN_DESCRIPTION( ULONG type, ULONG no,
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ULONG rel, const KSPIN_MEDIUM *Medium ) : PinType( type ),
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RelatedPinIndex( rel ), IsRoutedTo( 0 ), PinNo( no ), Medium (Medium)
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{
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}
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const int MaxOutPins = 2;
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const int MaxInpPins = 4;
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class CrossBar
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{
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// it is possible to make these into the pointers and allocate dynamically
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// based on info from registry; but this seems like a lot of work - just allocate
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// the maximum possible number and construct each based on the registry settings
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_XBAR_PIN_DESCRIPTION OutputPins [MaxOutPins];
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_XBAR_PIN_DESCRIPTION InputPins [MaxInpPins];
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int InPinsNo_;
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public:
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int GetNoInputs();
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int GetNoOutputs();
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bool TestRoute( int InPin, int OutPin );
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ULONG GetPinInfo( int dir, int idx, ULONG &related,
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KSPIN_MEDIUM * Medium);
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ULONG GetPinNo( int no );
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void Route( int OutPin, int InPin );
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bool GoodPins( int InPin, int OutPin );
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int GetRoute( int OutPin );
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CrossBar() : InPinsNo_( 0 ) {};
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CrossBar( LONG *types );
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};
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inline CrossBar::CrossBar( LONG *types ) : InPinsNo_( 0 )
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{
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OutputPins [0] = _XBAR_PIN_DESCRIPTION( KS_PhysConn_Video_VideoDecoder,
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0, 1, &CrossbarMediums[4]);
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// [!!!] The following should be moved into the _XBAR_PIN_DESCRIPTION
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// constructor as another parameter
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Route( 0 /*Video OutPin*/, 1 /*Video InPin*/ );
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OutputPins [1] = _XBAR_PIN_DESCRIPTION( KS_PhysConn_Audio_AudioDecoder,
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0, 1, &CrossbarMediums[5]);
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// [!!!] The following should be moved into the _XBAR_PIN_DESCRIPTION
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// constructor as another parameter
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Route( 1 /*Audio OutPin*/, 3 /*Audio InPin*/ );
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for ( int i = 0; i < MaxInpPins; i++ ) {
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if ( types [i] != -1 ) {
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InputPins [InPinsNo_] = _XBAR_PIN_DESCRIPTION( types [i], i, (DWORD) -1, &CrossbarMediums[i] );
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InPinsNo_++;
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}
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}
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}
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inline int CrossBar::GetNoInputs()
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{
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return InPinsNo_;
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}
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inline int CrossBar::GetNoOutputs()
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{
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return MaxOutPins;
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}
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inline bool CrossBar::GoodPins( int InPin, int OutPin )
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{
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return InPinsNo_ &&
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bool( InPin >= -1 && InPin < InPinsNo_ && OutPin >= 0 && OutPin < MaxOutPins ); // JBC 4/1/98 Don't allow negative pin numbers
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}
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inline void CrossBar::Route( int OutPin, int InPin )
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{
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OutputPins [OutPin].IsRoutedTo = InPin;
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}
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inline int CrossBar::GetRoute( int OutPin )
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{
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return OutputPins [OutPin].IsRoutedTo;
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}
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// should be called for input pins only !
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inline ULONG CrossBar::GetPinNo( int no )
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{
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return InputPins [no].PinNo;
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}
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inline ULONG CrossBar::GetPinInfo( int dir, int idx, ULONG &related,
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KSPIN_MEDIUM * Medium )
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{
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_XBAR_PIN_DESCRIPTION *pPinDesc;
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if ( dir == KSPIN_DATAFLOW_IN ) {
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pPinDesc = InputPins;
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ASSERT( idx < InPinsNo_ );
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} else {
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pPinDesc = OutputPins;
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ASSERT( idx < MaxOutPins );
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}
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related = pPinDesc [idx].RelatedPinIndex;
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*Medium = *pPinDesc[idx].Medium;
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return pPinDesc [idx].PinType;
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}
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#endif
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