视频DVD解码器驱动C++源代码

/*++ Copyright (c) 1998 G&G Lab Corporation Module Name: DvdMain.c Copyright (c) 1998 G&G Lab Corporation. All Rights Reserved. Some portions adapted with permission from code Copyright (c) 1997-1998 Toshiba Corporation --*/ #include "strmini.h" #include "ks.h" #include <mmsystem.h> #include "ksmedia.h" #include "debug.h" #include "DeviceInit.h" #include "StreamQue.h" #include "DvdToshHard.h" // header for DvdToshHard.lib routines hiding proprietary HW stuff #include "DvdMain.h" #include "StreamKS.h" //#include "ddkmapi.h" HANDLE hClk; HANDLE hMaster; BOOL fClkPause; ULONGLONG LastSysTime = 0; ULONGLONG PauseTime = 0; static ULONGLONG LastStamp; static ULONGLONG LastSys; static BOOLEAN fValid; extern BOOLEAN fProgrammed; extern BOOLEAN fStarted; BOOLEAN fProgrammed; BOOLEAN fStarted; static ULONGLONG StartSys; KSPIN_MEDIUM VPMedium = { STATIC_KSMEDIUMSETID_VPBus, 0, 0 }; VOID STREAMAPI AdapterCancelPacket( IN PHW_STREAM_REQUEST_BLOCK pSrb ) /*++ Routine Description: routine to cancel a packet that may be in progress Arguments: pSrb - pointer to stream request block to be cancelled Return Value: none --*/ { PHW_DEVICE_EXTENSION pHwDevExt = (PHW_DEVICE_EXTENSION)pSrb->HwDeviceExtension; DebugPrint(( DebugLevelVerbose, "DVDTOSHIS:AdapterCancelPacket\r\n" )); DebugPrint(( DebugLevelVerbose, "DVDTOSHIS: pSrb = 0x%x\r\n", pSrb )); if( pHwDevExt->pSrbDMA0 == pSrb ) { DebugPrint( (DebugLevelTrace, "DVDTOSHIS: pSrb == pSrbDMA0\r\n" ) ); pHwDevExt->pSrbDMA0 = NULL; pHwDevExt->fSrbDMA0last = FALSE; } if( pHwDevExt->pSrbDMA1 == pSrb ) { DebugPrint( (DebugLevelTrace, "DVDTOSHIS: pSrb == pSrbDMA1\r\n" ) ); pHwDevExt->pSrbDMA1 = NULL; pHwDevExt->fSrbDMA1last = FALSE; } pSrb->Status = STATUS_CANCELLED; // need to find this packet, pull it off our queues, and cancel it switch (pSrb->Flags & (SRB_HW_FLAGS_DATA_TRANSFER | SRB_HW_FLAGS_STREAM_REQUEST)) { // // find all stream commands, and do stream notifications // case SRB_HW_FLAGS_STREAM_REQUEST | SRB_HW_FLAGS_DATA_TRANSFER: DebugPrint(( DebugLevelVerbose, "DVDTOSHIS: SRB_HW_FLAGS_STREAM_REQUEST | SRB_HW_FLAGS_DATA_TRANSFER\r\n", pSrb )); DeviceQueue_remove( pHwDevExt,pSrb ); CCQueue_remove( pHwDevExt, pSrb ); StreamClassStreamNotification( StreamRequestComplete, pSrb->StreamObject, pSrb); break; case SRB_HW_FLAGS_STREAM_REQUEST: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_HW_FLAGS_STREAM_REQUEST\r\n", pSrb ) ); StreamClassStreamNotification( ReadyForNextStreamControlRequest, pSrb->StreamObject); StreamClassStreamNotification( StreamRequestComplete, pSrb->StreamObject, pSrb); break; default: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: default\r\n", pSrb ) ); StreamClassDeviceNotification( ReadyForNextDeviceRequest, pSrb->HwDeviceExtension ); StreamClassDeviceNotification( DeviceRequestComplete, pSrb->HwDeviceExtension, pSrb ); break; } } /* ** AdapterTimeoutPacket() */ VOID STREAMAPI AdapterTimeoutPacket( IN PHW_STREAM_REQUEST_BLOCK pSrb ) { PHW_DEVICE_EXTENSION pHwDevExt = (PHW_DEVICE_EXTENSION)pSrb->HwDeviceExtension; DebugPrint( (DebugLevelTrace, "DVDTOSHIS:AdapterTimeoutPacket\r\n") ); if( decGetVideoPlayMode( pHwDevExt ) == PLAY_MODE_FREEZE ) { DebugPrint( (DebugLevelTrace, "DVDTOSHIS: pause mode\r\n") ); pSrb->TimeoutCounter = pSrb->TimeoutOriginal; return; } TRAP; // pSrb->TimeoutCounter = pSrb->TimeoutOriginal; if( pHwDevExt->pSrbDMA0 ) { DebugPrint(( DebugLevelTrace, "DVDTOSHIS: pSrbDMA0 exist\r\n" )); pHwDevExt->pSrbDMA0 = NULL; pHwDevExt->fSrbDMA0last = FALSE; } if( pHwDevExt->pSrbDMA1 ) { DebugPrint(( DebugLevelTrace, "DVDTOSHIS: pSrbDMA1 exist\r\n" )); pHwDevExt->pSrbDMA1 = NULL; pHwDevExt->fSrbDMA1last = FALSE; } if( pHwDevExt->pstroVid ) { StreamClassScheduleTimer( pHwDevExt->pstroVid, pHwDevExt, 0, NULL, pHwDevExt->pstroVid ); } if( pHwDevExt->pstroAud ) { StreamClassScheduleTimer( pHwDevExt->pstroAud, pHwDevExt, 0, NULL, pHwDevExt->pstroAud ); } if( pHwDevExt->pstroSP ) { StreamClassScheduleTimer( pHwDevExt->pstroSP, pHwDevExt, 0, NULL, pHwDevExt->pstroSP ); } // init the main and closed-caption SRB queues DeviceQueue_init(pHwDevExt); CCQueue_init(pHwDevExt); pHwDevExt->pSrbCpp = NULL; pHwDevExt->bDMAstop = FALSE; StreamClassAbortOutstandingRequests( pHwDevExt, NULL, STATUS_CANCELLED ); } /* ** AdapterReceivePacket() */ VOID STREAMAPI AdapterReceivePacket( IN PHW_STREAM_REQUEST_BLOCK pSrb ) { PHW_DEVICE_EXTENSION pHwDevExt = (PHW_DEVICE_EXTENSION)pSrb->HwDeviceExtension; // DWORD st, et; DebugPrint( (DebugLevelTrace, "DVDTOSHIS:AdapterReceivePacket\r\n") ); switch( pSrb->Command ){ case SRB_GET_STREAM_INFO: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_GET_STREAM_INFO\r\n") ); AdapterStreamInfo( pSrb ); break; case SRB_OPEN_STREAM: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_OPEN_STREAM\r\n") ); AdapterOpenStream( pSrb ); break; case SRB_CLOSE_STREAM: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_CLOSE_STREAM\r\n") ); AdapterCloseStream( pSrb ); break; case SRB_INITIALIZE_DEVICE: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_INITIALIZE_DEVICE\r\n") ); // // schedule a low priority callback to get the config // space. processing will continue when this runs. // StreamClassCallAtNewPriority( NULL, pSrb->HwDeviceExtension, Low, (PHW_PRIORITY_ROUTINE) GetPCIConfigSpace, pSrb ); return; // st = GetCurrentTime_ms(); // // HwInitialize( pSrb ); // // et = GetCurrentTime_ms(); // DebugPrint( (DebugLevelTrace, "DVDTOSHIS:init %dms\r\n", et - st ) ); // // break; case SRB_OPEN_DEVICE_INSTANCE: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_OPEN_DEVICE_INSTANCE\r\n") ); pSrb->Status = STATUS_NOT_IMPLEMENTED; break; case SRB_CLOSE_DEVICE_INSTANCE: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_CLOSE_DEVICE_INSTANCE\r\n") ); pSrb->Status = STATUS_NOT_IMPLEMENTED; break; case SRB_GET_DEVICE_PROPERTY: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_GET_DEVICE_PROPERTY\r\n") ); TRAP; pSrb->Status = STATUS_NOT_IMPLEMENTED; break; case SRB_SET_DEVICE_PROPERTY: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_SET_DEVICE_PROPERTY\r\n") ); TRAP; pSrb->Status = STATUS_NOT_IMPLEMENTED; break; case SRB_CHANGE_POWER_STATE: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_CHANGE_POWER_STATE\r\n") ); if (pSrb->CommandData.DeviceState == PowerDeviceD0) { // // should turn power back on here if was off; we're not sleeping in this sample. // } else { // // disable interrupts. // decDisableInt( pHwDevExt ); } pSrb->Status = STATUS_SUCCESS; break; case SRB_UNINITIALIZE_DEVICE: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_UNINITIALIZE_DEVICE\r\n") ); decDisableInt( pHwDevExt ); pSrb->Status = STATUS_SUCCESS; break; case SRB_UNKNOWN_DEVICE_COMMAND: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_UNKNOWN_DEVICE_COMMAND\r\n") ); pSrb->Status = STATUS_NOT_IMPLEMENTED; break; // case SRB_QUERY_UNLOAD: // DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_QUERY_UNLOAD\r\n") ); // pSrb->Status = STATUS_NOT_IMPLEMENTED; // break; case SRB_PAGING_OUT_DRIVER: DebugPrint( (DebugLevelTrace, "DVDTOSHIS: SRB_PAGING_OUT_DRIVER\r\n") ); decDisableInt( pHwDevExt ); pSrb->Status = STATUS_SUCCESS; break; case SRB_GET