Leaked source code of windows server 2003
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// $Header: G:/SwDev/WDM/Video/bt848/rcs/Pisces.h 1.8 1998/05/06 18:25:31 tomz Exp $
#ifndef __PISCES_H
#define __PISCES_H
#include "preg.h"
#ifndef __FIELD_H
#include "field.h"
#endif
#ifndef __DECODER_H
#include "decoder.h"
#endif
#ifndef __RISCENG_H
#include "risceng.h"
#endif
typedef void (*EVENTHANDLER)( DWORD dwCB, PVOID pTag );
const PiscesStreams = 4;
#define BIT(x) ((DWORD)1 << (x))
const VSYNC_I = BIT(1); // 0x00000001
const I2CDONE_I = BIT(8); // 0x00000100
const GPINT_I = BIT(9); // 0x00000200
const RISC_I = BIT(11); // 0x00000800
const FBUS_I = BIT(12); // 0x00001000
const FTRGT_I = BIT(13); // 0x00002000
const FDSR_I = BIT(14); // 0x00004000
const PPERR_I = BIT(15); // 0x00008000
const RIPERR_I = BIT(16); // 0x00010000
const PABORT_I = BIT(17); // 0x00020000
const OCERR_I = BIT(18); // 0x00040000
const SCERR_I = BIT(19); // 0x00080000
const DMAERR_I = BIT(20); // 0x00100000
const PARITY_I = (BIT(15)|BIT(16)); // 0x00018000
const EN_TRITON1_BUG_FIX = BIT(23); // 0x00800000
/* Class: IntrIdxAss
* Purpose: Used to assiciate a number program will generate with IRQ and
* an index in the array
*/
class IntrIdxAss
{
public:
int IntNo;
int Idx;
IntrIdxAss() : IntNo( 0 ), Idx( 0 ) {}
IntrIdxAss( int key, int value ) : IntNo( key ), Idx( value ) {}
int operator ==( const IntrIdxAss &rhs ) { return IntNo == rhs.IntNo; }
};
/* Type: IntrToIdxDict
* Purpose: Holds values of interrupt number and array index associated
* Note Use TArrayAsVector instead of TIArrayAsVector ( it contains pointers,
* after all ) because compiler insists on calling vector_new which is
* non-existent in the VxD libs
*/
typedef IntrIdxAss *IntrToIdxDict [12];
/* Type: ProgramsArray
* Purpose: Defines an array that holds created programs
* Note: Elements in the array alternate, i.e. even program, odd, even...
*/
typedef RiscPrgHandle ProgramsArray [12];
// class CProgArray
//
// assumptions:
// 1. Array size is 12.
// 2. The prog array has fixed locations for specific purposes:
// 0 VBIO
// 1 ODD
// 2 ODD Sync
// 3 VBIE
// 4 EVEN
// 5 EVEN Sync
// --------------------
// 6 VBIO
// 7 ODD
// 8 ODD Sync
// 9 VBIE
// 10 EVEN
// 11 EVEN Sync
#define MAX_PROGS 12
class CProgArray {
private:
DWORD dwCurrNdx_ ;
RiscPrgHandle rpArray[MAX_PROGS] ;
public:
CProgArray () { Clear() ;}
virtual ~CProgArray () { }
// Clear sets all array elements handles to NULL
void Clear() {
dwCurrNdx_ = 0 ;
memset( &rpArray[0], '\0', sizeof( rpArray ) ) ;
}
// overload for accessing the array
inline RiscPrgHandle & operator [] (DWORD n) {
n %= MAX_PROGS ; // prevent invalid accesses
return rpArray[n] ;
}
// Return the index of the given handle. Assumes that the handle
// was given by this class and is valid and current.
DWORD GetIndex(RiscPrgHandle hRp)
{
for (int i = 0 ; i < MAX_PROGS ; i++)
if (rpArray[i] == hRp)
return i ;
return (DWORD) -1 ;
}
//
// Count Methods
//
// Returns the number of elements. Static for now.
inline DWORD NumElements() { return MAX_PROGS ; }
// Returns the number of non-null programs
DWORD Count() {
DWORD n = 0 ;
for (int i = 0 ; i < MAX_PROGS ; i++)
if (rpArray[i])
n++ ;
return n ;
}
// Returns the number of video programs
inline DWORD CountVideoProgs() {
DWORD n = 0 ;
if (rpArray[1]) n++ ;
if (rpArray[4]) n++ ;
if (rpArray[7]) n++ ;
if (rpArray[10]) n++ ;
return n ;
}
// Returns the number of vbi programs
inline DWORD CountVbiProgs() {
DWORD n = 0 ;
if (rpArray[0]) n++ ;
if (rpArray[3]) n++ ;
if (rpArray[6]) n++ ;
if (rpArray[9]) n++ ;
return n ;
}
// Returns number of programs which actually transfer data
inline DWORD CountDMAProgs() {
return CountVideoProgs() + CountVbiProgs() ;
}
//
// Find Methods
//
// Returns the first non-null riscprogram. Returns Null if array is empty.
RiscPrgHandle First() {
RiscPrgHandle hRp = NULL ;
for (dwCurrNdx_ = 0 ; dwCurrNdx_ < MAX_PROGS ; dwCurrNdx_++) {
if (rpArray[dwCurrNdx_]) {
hRp = rpArray[dwCurrNdx_++] ;
break ;
}
}
return hRp ;
}
// Returns the next non-null riscprogram. Returns null if there are none left.
RiscPrgHandle Next() {
RiscPrgHandle hRp = NULL ;
for ( ; dwCurrNdx_ < MAX_PROGS ; dwCurrNdx_++) {
if (rpArray[dwCurrNdx_]) {
hRp = rpArray[dwCurrNdx_++] ;
break ;
}
}
return hRp ;
}
} ;
const VBIOStartLocation = 0;
const OddStartLocation = 1;
const OddSyncStartLoc = 2;
const VBIEStartLocation = 3;
const EvenStartLocation = 4;
const EvenSyncStartLoc = 5;
const DistBetweenProgs = 6;
const ProgsWithinField = 3;
/* Class: BtPisces
* Purpose: Controls the BtPisces video capture chip
* Attributes:
* Operations:
* Note: Every time any of the Set functions is called, operation must stop.
* After all changes are done execution can resume. This means that all RISC
* programs are destroyed ( if they exist ), changes made, new RISC programs
* are created ( if needed )
*/
class BtPisces
{
DECLARE_COLORCONTROL;
DECLARE_INTERRUPTSTATUS;
DECLARE_INTERRUPTMASK;
DECLARE_CONTROL;
DECLARE_CAPTURECONTROL;
DECLARE_COLORFORMAT;
DECLARE_GPIODATAIO;
DECLARE_GPIOOUTPUTENABLECONTROL;
public:
Decoder PsDecoder_;
private:
// all possible data streams
FieldWithScaler Even_;
FieldWithScaler Odd_;
VBIField VBIE_;
VBIField VBIO_;
RISCEng Engine_;
RISCProgram Starter_;
RISCProgram *Skippers_ [PiscesStreams * MaxProgsForField];
RISCProgram SyncEvenEnd1_;
RISCProgram SyncEvenEnd2_;
RISCProgram SyncOddEnd1_;
RISCProgram SyncOddEnd2_;
CProgArray CreatedProgs_;
CProgArray ActiveProgs_;
IntrToIdxDict InterruptToIdx_;
int nSkipped_;
int OldIdx_;
// this is the indirection array that maps an index from the CreatedProgs_
// array into the Skippers_ array. It is needed because it is much simpler
// to assign a strict relationships between a created program and a skipper
// for it than trying to figure out what skipper program is available
// when a created program needs to be skipped
int SkipperIdxArr_ [ProgsWithinField * 2 * MaxProgsForField];
bool Paused_;
bool Update_;
bool Inited_;
DWORD dwPlanarAdjust_;
void Init();
bool CreateSyncCodes();
void ProcessRISCIntr();
protected:
// type-unsafe method of getting field associated with a stream
// Field & GetField( StreamInfo &str ) { return *(Field*)str.tag; }
int GetIdxFromStream( Field &aField );
RiscPrgHandle AddProgram( Field &aStream, int NumberToAdd );
void ProcessPresentPrograms();
void AssignIntNumbers();
void ProcessSyncPrograms();
void LinkThePrograms();
void Skip( int idx );
void Restart();
void GetStarted( bool &EvenWasStarted, bool &OddWasStarted,
bool &VBIEWasStarted, bool &VBIOWasStarted );
void RestartStreams( bool EvenWasStarted, bool OddWasStarted,
bool VBIEWasStarted, bool VBIOWasStarted );
void CreateStarter( bool EvenWasStarted );
int GetPassed();
// void AdjustTime( LARGE_INTEGER &t, int passed );
RiscPrgHandle GetProgram( int pos, int &idx );
public:
void PairedPause( int idx );
void DumpRiscPrograms();
// decoder 'set' group
virtual void SetBrightness( DWORD value );
virtual void SetSaturation( DWORD value );
virtual void SetConnector ( DWORD value );
virtual void SetContrast ( DWORD value );
virtual void SetHue ( DWORD value );
virtual void SetSVideo ( DWORD value );
virtual void SetFormat ( DWORD value );
virtual LONG GetSaturation();
virtual LONG GetHue ();
virtual LONG GetBrightness();
virtual LONG GetSVideo ();
virtual LONG GetContrast ();
virtual LONG GetFormat ();
virtual LONG GetConnector ();
virtual LONG GetSupportedStandards();
void SetPlanarAdjust( DWORD val ) { dwPlanarAdjust_ = val; }
void TurnVFilter( State s );
// scaler group
virtual ErrorCode SetAnalogWindow( MRect &r, Field &aField );
virtual ErrorCode SetDigitalWindow( MRect &r, Field &aField );
// color space converter group
virtual void SetPixelFormat( ColFmt, Field &aField );
ColFmt GetPixelFormat( Field &aField );
// streaming operation functions
virtual ErrorCode Create( Field &aField );
virtual void Start( Field &aField );
virtual void Stop( Field &aField );
void Pause( Field &aField );
void Continue();
State Interrupt();
// void ProcessAddBuffer( StreamInfo aStream );
void ProcessBufferAtInterrupt( PVOID pTag );
void SetBufPitch( DWORD dwP, Field &aField )
{ aField.SetBufPitch( dwP ); }
void SetBufQuePtr( Field &aField, VidBufQueue *pQ )
{ aField.SetBufQuePtr( pQ ); }
VidBufQueue &GetCurrentQue( Field &aField )
{ return aField.GetCurrentQue(); }
virtual ErrorCode AllocateStream( Field *&Field, VideoStream st );
DWORD GetDataBuffer( int idx ) { return CreatedProgs_ [idx]->GetDataBuffer(); }
bool InitOK();
BtPisces( DWORD *xtals );
~BtPisces();
};
inline bool BtPisces::InitOK()
{
return Inited_;
}
#endif