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