Leaked source code of windows server 2003
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// $Header: G:/SwDev/WDM/Video/bt848/rcs/Capmain.h 1.9 1998/05/11 23:59:56 tomz Exp $
//==========================================================================;
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
// KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
// PURPOSE.
//
// Copyright (c) 1992 - 1996 Microsoft Corporation. All Rights Reserved.
//
//==========================================================================;
#ifndef __CAPMAIN_H__
#define __CAPMAIN_H__
#ifdef __cplusplus
extern "C" {#endif // __cplusplus
#include "device.h"
// adapted from ksmedia.h
#define KS_SIZE_PREHEADER2 (FIELD_OFFSET(KS_VIDEOINFOHEADER2,bmiHeader))
#define KS_SIZE_VIDEOHEADER2(pbmi) ((pbmi)->bmiHeader.biSize + KS_SIZE_PREHEADER2)
/*****************************************************************************
** The following structures are samples of information that could be used in* a device extension structure******************************************************************************/
//
// definition of the full HW device extension structure This is the structure
// that will be allocated in HW_INITIALIZATION by the stream class driver
// Any information that is used in processing a device request (as opposed to
// a STREAM based request) should be in this structure. A pointer to this
// structure will be passed in all requests to the minidriver. (See
// HW_STREAM_REQUEST_BLOCK in STRMINI.H)
//
typedef struct _HW_DEVICE_EXTENSION { PsDevice *psdevice; //PULONG ioBaseLocal; // board base address
//USHORT Irq; // irq level
//PHW_STREAM_REQUEST_BLOCK pCurSrb; // current device request in progress
// The following will be the memory where we store or PsDevice class instance
// This must be last
DWORD psdevicemem[1];} HW_DEVICE_EXTENSION, *PHW_DEVICE_EXTENSION;
//
// this structure is our per stream extension structure. This stores
// information that is relevant on a per stream basis. Whenever a new stream
// is opened, the stream class driver will allocate whatever extension size
// is specified in the HwInitData.PerStreamExtensionSize.
//
typedef union { KS_FRAME_INFO VideoFrameInfo; KS_VBI_FRAME_INFO VbiFrameInfo;} ALL_FRAME_INFO;
typedef struct _STREAMEX {
PVOID videochannel; ALL_FRAME_INFO FrameInfo; ULONG StreamNumber; //KS_VIDEOINFOHEADER *pVideoInfoHeader; // format (variable size!)
//KSSTATE KSState; // Run, Stop, Pause
//BOOLEAN fStreamOpen; // TRUE if stream is open
//STREAM_SYSTEM_TIME videoSTC; // current video presentation time
//PHW_STREAM_REQUEST_BLOCK pCurrentSRB; // video request in progress
//PVOID pDMABuf; // pointer to the video DMA buffer
//STREAM_PHYSICAL_ADDRESS pPhysDmaBuf; // physical address of DMA buffer
//ULONG cDmaBuf; // size of DMA buffer
//KSSTATE DeviceState; // current device state
//BOOLEAN IRQExpected; // IRQ expected
// The following will be the memory where we store or PsDevice class instance
// This must be last
DWORD videochannelmem[1];} STREAMEX, *PSTREAMEX;
//
// this structure defines the per request extension. It defines any storage
// space that the min driver may need in each request packet.
//
typedef struct _SRB_EXTENSION { LIST_ENTRY ListEntry; PHW_STREAM_REQUEST_BLOCK pSrb; HANDLE hUserSurfaceHandle; // DDraw
HANDLE hKernelSurfaceHandle; // DDraw
} SRB_EXTENSION, * PSRB_EXTENSION;
/*****************************************************************************
** the following section defines prototypes for the minidriver initialization* routines*******************************************************************************/
//
// DriverEntry:
//
// This routine is called when the mini driver is first loaded. The driver
// should then call the StreamClassRegisterAdapter function to register with
// the stream class driver
//
ULONG DriverEntry (PVOID Context1, PVOID Context2);
//
// This routine is called by the stream class driver with configuration
// information for an adapter that the mini driver should load on. The mini
// driver should still perform a small verification to determine that the
// adapter is present at the specified addresses, but should not attempt to
// find an adapter as it would have with previous NT miniports.
//
// All initialization of the adapter should also be performed at this time.
//
BOOLEAN HwInitialize (IN OUT PHW_STREAM_REQUEST_BLOCK pSrb);
//
// This routine is called when the system is going to remove or disable the
// device.
//
// The mini-driver should free any system resources that it allocated at this
// time. Note that system resources allocated for the mini-driver by the
// stream class driver will be free'd by the stream driver, and should not be
// free'd in this routine. (Such as the HW_DEVICE_EXTENSION)
//
BOOLEAN HwUnInitialize ( IN PVOID DeviceExtension);
BOOLEAN HwQueryUnload ( IN PVOID DeviceExtension);
//
// This is the prototype for the Hardware Interrupt Handler. This routine
// will be called whenever the minidriver receives an interrupt
//
BOOLEAN HwInterrupt ( IN PHW_DEVICE_EXTENSION pDeviceExtension );
//
// This is the prototype for the stream enumeration function. This routine
// provides the stream class driver with the information on data stream types
// supported
//
VOID AdapterStreamInfo(PHW_STREAM_REQUEST_BLOCK pSrb);
//
// This is the prototype for the stream open function
//
VOID AdapterOpenStream(PHW_STREAM_REQUEST_BLOCK pSrb);
//
// This is the prototype for the stream close function
//
VOID AdapterCloseStream(PHW_STREAM_REQUEST_BLOCK pSrb);
//
// This is the prototype for the AdapterReceivePacket routine. This is the
// entry point for command packets that are sent to the adapter (not to a
// specific open stream)
//
VOID STREAMAPI AdapterReceivePacket(IN PHW_STREAM_REQUEST_BLOCK Srb);
//
// This is the protoype for the cancel packet routine. This routine enables
// the stream class driver to cancel an outstanding packet.
//
VOID STREAMAPI AdapterCancelPacket(IN PHW_STREAM_REQUEST_BLOCK Srb);
//
// This is the packet timeout function. The adapter may choose to ignore a
// packet timeout, or rest the adapter and cancel the requests, as required.
//
VOID STREAMAPI AdapterTimeoutPacket(IN PHW_STREAM_REQUEST_BLOCK Srb);
//
// prototypes for data handling routines
//
VOID STREAMAPI VideoReceiveDataPacket(IN PHW_STREAM_REQUEST_BLOCK pSrb);VOID STREAMAPI VideoReceiveCtrlPacket(IN PHW_STREAM_REQUEST_BLOCK pSrb);VOID STREAMAPI AnalogReceiveDataPacket(IN PHW_STREAM_REQUEST_BLOCK pSrb);VOID STREAMAPI AnalogReceiveCtrlPacket(IN PHW_STREAM_REQUEST_BLOCK pSrb);void EnableIRQ(PHW_STREAM_OBJECT pstrm);void DisableIRQ(PHW_STREAM_OBJECT pstrm);
//
// prototypes for properties and states
//
//VOID SetVideoState(PHW_STREAM_REQUEST_BLOCK pSrb);
void GetVidLvl(PHW_STREAM_REQUEST_BLOCK pSrb);VOID GetVideoProperty(PHW_STREAM_REQUEST_BLOCK pSrb);
#ifdef ENABLE_DDRAW_STUFF
DWORD FAR PASCAL DirectDrawEventCallback( DWORD, PVOID, DWORD, DWORD ); BOOL RegisterForDirectDrawEvents( PHW_STREAM_REQUEST_BLOCK ); BOOL UnregisterForDirectDrawEvents( PHW_STREAM_REQUEST_BLOCK ); BOOL OpenKernelDirectDraw( PHW_STREAM_REQUEST_BLOCK ); BOOL CloseKernelDirectDraw( PHW_STREAM_REQUEST_BLOCK ); BOOL IsKernelLockAndFlipAvailable( PHW_STREAM_REQUEST_BLOCK ); BOOL OpenKernelDDrawSurfaceHandle( IN PHW_STREAM_REQUEST_BLOCK ); BOOL CloseKernelDDrawSurfaceHandle( IN PHW_STREAM_REQUEST_BLOCK ); BOOL FlipOverlay( HANDLE, HANDLE, HANDLE );#endif
#ifdef __cplusplus
}#endif // __cplusplus
#endif //__CAPMAIN_H__
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