/*++ Copyright (C) Microsoft Corporation, 1999 - 2000 Module Name: MSDVGuts.c Abstract: Main service functions. Last changed by: Author: Yee J. Wu Environment: Kernel mode only Revision History: $Revision:: $ $Date:: $ --*/ #include "strmini.h" #include "ksmedia.h" #include "1394.h" #include "61883.h" #include "avc.h" #include "dbg.h" #include "ksguid.h" #include "msdvfmt.h" // Before msdvdefs.h #include "msdvdef.h" #include "MSDVGuts.h" #include "MsdvUtil.h" #include "MsdvAvc.h" #include "XPrtDefs.h" #include "EDevCtrl.h" // // Define formats supported // #include "avcstrm.h" #include "strmdata.h" #if DBG extern ULONG DVDebugXmt; // this is defined in msdvuppr.c #endif NTSTATUS DVGetDevInfo( IN PDVCR_EXTENSION pDevExt, IN PAV_61883_REQUEST pAVReq ); VOID DVIniStrmExt( PHW_STREAM_OBJECT pStrmObject, PSTREAMEX pStrmExt, PDVCR_EXTENSION pDevExt, const PALL_STREAM_INFO pStream ); NTSTATUS DVStreamGetConnectionProperty ( PDVCR_EXTENSION pDevExt, PSTREAMEX pStrmExt, PSTREAM_PROPERTY_DESCRIPTOR pSPD, PULONG pulActualBytesTransferred ); NTSTATUS DVGetDroppedFramesProperty( PDVCR_EXTENSION pDevExt, PSTREAMEX pStrmExt, PSTREAM_PROPERTY_DESCRIPTOR pSPD, PULONG pulBytesTransferred ); #if 0 // Enable later #ifdef ALLOC_PRAGMA #pragma alloc_text(PAGE, DVGetDevInfo) #pragma alloc_text(PAGE, DVInitializeDevice) #pragma alloc_text(PAGE, DVGetStreamInfo) #pragma alloc_text(PAGE, DVVerifyDataFormat) #pragma alloc_text(PAGE, DVGetDataIntersection) #pragma alloc_text(PAGE, DVIniStrmExt) #pragma alloc_text(PAGE, DVOpenStream) #pragma alloc_text(PAGE, DVCloseStream) #pragma alloc_text(PAGE, DVChangePower) #pragma alloc_text(PAGE, DVSurpriseRemoval) #pragma alloc_text(PAGE, DVProcessPnPBusReset) #pragma alloc_text(PAGE, DVUninitializeDevice) #pragma alloc_text(PAGE, DVGetStreamState) #pragma alloc_text(PAGE, DVStreamingStop) #pragma alloc_text(PAGE, DVStreamingStart) #pragma alloc_text(PAGE, DVSetStreamState) #pragma alloc_text(PAGE, DVStreamGetConnectionProperty) #pragma alloc_text(PAGE, DVGetDroppedFramesProperty) #pragma alloc_text(PAGE, DVGetStreamProperty) #pragma alloc_text(PAGE, DVSetStreamProperty) #pragma alloc_text(PAGE, DVCancelAllPackets) #pragma alloc_text(PAGE, DVOpenCloseMasterClock) #pragma alloc_text(PAGE, DVIndicateMasterClock) #endif #endif DV_FORMAT_INFO DVFormatInfoTable[] = { // // SD DVCR // { { FMT_DVCR, FDF0_50_60_NTSC, 0, 0 }, DIF_SEQS_PER_NTSC_FRAME, DV_NUM_OF_RCV_BUFFERS, DV_NUM_OF_XMT_BUFFERS, FRAME_SIZE_SD_DVCR_NTSC, FRAME_TIME_NTSC, SRC_PACKETS_PER_NTSC_FRAME, MAX_SRC_PACKETS_PER_NTSC_FRAME, CIP_DBS_SD_DVCR, CIP_FN_SD_DVCR, 0, FALSE, // Source packet header }, { { FMT_DVCR, FDF0_50_60_PAL, 0, 0 }, DIF_SEQS_PER_PAL_FRAME, DV_NUM_OF_RCV_BUFFERS, DV_NUM_OF_XMT_BUFFERS, FRAME_SIZE_SD_DVCR_PAL, FRAME_TIME_PAL, SRC_PACKETS_PER_PAL_FRAME, MAX_SRC_PACKETS_PER_PAL_FRAME, CIP_DBS_SD_DVCR, CIP_FN_SD_DVCR, 0, FALSE, // Source packet header }, #ifdef SUPPORT_HD_DVCR // // HD DVCR // { { FMT_DVCR, FDF0_50_60_NTSC, 0, 0 }, DIF_SEQS_PER_NTSC_FRAME_HD, DV_NUM_OF_RCV_BUFFERS, DV_NUM_OF_XMT_BUFFERS, FRAME_SIZE_HD_DVCR_NTSC, FRAME_TIME_NTSC, SRC_PACKETS_PER_NTSC_FRAME, MAX_SRC_PACKETS_PER_NTSC_FRAME, CIP_DBS_HD_DVCR, CIP_FN_HD_DVCR, 0, FALSE, // Source packet header }, { { FMT_DVCR, FDF0_50_60_PAL, 0, 0 }, DIF_SEQS_PER_PAL_FRAME_HD, DV_NUM_OF_RCV_BUFFERS, DV_NUM_OF_XMT_BUFFERS, FRAME_SIZE_HD_DVCR_PAL, FRAME_TIME_PAL, SRC_PACKETS_PER_PAL_FRAME, MAX_SRC_PACKETS_PER_PAL_FRAME, CIP_DBS_HD_DVCR, CIP_FN_HD_DVCR, 0, FALSE, // Source packet header }, #endif #ifdef MSDV_SUPPORT_SDL_DVCR // // SDL DVCR // { { FMT_DVCR, FDF0_50_60_NTSC, 0, 0 }, DIF_SEQS_PER_NTSC_FRAME_SDL, DV_NUM_OF_RCV_BUFFERS, DV_NUM_OF_XMT_BUFFERS, FRAME_SIZE_SDL_DVCR_NTSC, FRAME_TIME_NTSC, SRC_PACKETS_PER_NTSC_FRAME, MAX_SRC_PACKETS_PER_NTSC_FRAME, CIP_DBS_SDL_DVCR, CIP_FN_SDL_DVCR, 0, FALSE, // Source packet header }, { { FMT_DVCR, FDF0_50_60_PAL, 0, 0 }, DIF_SEQS_PER_PAL_FRAME_SDL, DV_NUM_OF_RCV_BUFFERS, DV_NUM_OF_XMT_BUFFERS, FRAME_SIZE_SDL_DVCR_PAL, FRAME_TIME_PAL, SRC_PACKETS_PER_PAL_FRAME, MAX_SRC_PACKETS_PER_PAL_FRAME, CIP_DBS_SDL_DVCR, CIP_FN_SDL_DVCR, 0, FALSE, // Source packet header }, #endif // Not implemented. }; #define MSDV_FORMATS_SUPPORTED (SIZEOF_ARRAY(DVFormatInfoTable)) VOID DVTerminateAttachFrameThread( IN PSTREAMEX pStrmExt ); VOID DVIniDevExtStruct( IN PDVCR_EXTENSION pDevExt, IN PPORT_CONFIGURATION_INFORMATION pConfigInfo ) /*++ Routine Description: Initialiaze the device extension structure. --*/ { ULONG i; RtlZeroMemory( pDevExt, sizeof(DVCR_EXTENSION) ); // // Cache what are in ConfigInfo in device extension // pDevExt->pBusDeviceObject = pConfigInfo->PhysicalDeviceObject; // IoCallDriver() pDevExt->pPhysicalDeviceObject = pConfigInfo->RealPhysicalDeviceObject; // Used in PnP API // // Allow only one stream open at a time to avoid cyclic format // pDevExt->cndStrmOpen = 0; // // Serialize in the event of getting two consecutive SRB_OPEN_STREAMs // KeInitializeMutex( &pDevExt->hMutex, 0); // Level 0 and in Signal state // // Initialize our pointer to stream extension // for (i=0; ipaStrmExt[i] = NULL; } // // Bus reset, surprise removal // pDevExt->bDevRemoved = FALSE; pDevExt->PowerState = PowerDeviceD0; // // External device control (AV/C commands) // KeInitializeSpinLock( &pDevExt->AVCCmdLock ); // To guard the count pDevExt->cntCommandQueued = 0; // Cmd that is completed its life cycle waiting to be read (most for RAW_AVC's Set/Read model) InitializeListHead(&pDevExt->AVCCmdList); // Initialize the list of possible opcode values of the response // from a Transport State status or notify command. The first item // is the number of values that follow. ASSERT(sizeof(pDevExt->TransportModes) == 5); pDevExt->TransportModes[0] = 4; pDevExt->TransportModes[1] = 0xC1; pDevExt->TransportModes[2] = 0xC2; pDevExt->TransportModes[3] = 0xC3; pDevExt->TransportModes[4] = 0xC4; #ifdef SUPPORT_OPTIMIZE_AVCCMD_RETRIES // Set to default values used by avc.sys pDevExt->AVCCmdRetries = DEFAULT_AVC_RETRIES; pDevExt->DrvLoadCompleted = FALSE; pDevExt->AVCCmdRespTimeMax = 0; pDevExt->AVCCmdRespTimeMin = DEFAULT_AVC_TIMEOUT * (DEFAULT_AVC_RETRIES+1) / 10000; pDevExt->AVCCmdRespTimeSum = 0; pDevExt->AVCCmdCount = 0; #endif // AVC Command flow control KeInitializeMutex(&pDevExt->hMutexIssueAVCCmd, 0); } NTSTATUS DVGetDevInfo( IN PDVCR_EXTENSION pDevExt, IN PAV_61883_REQUEST pAVReq ) /*++ Routine Description: Issue AVC command to determine basic device information and cache them in the device extension. --*/ { NTSTATUS Status; BYTE bAvcBuf[MAX_FCP_PAYLOAD_SIZE]; // For issue AV/C command within this module PKSPROPERTY_EXTXPORT_S pXPrtProperty; // Point to bAvcBuf; PAGED_CODE(); // // Get unit's capabilities such as // Number of input/output plugs, data rate // UniqueID, VendorID and ModelID // if(!NT_SUCCESS( Status = DVGetUnitCapabilities( pDevExt ))) { TRACE(TL_PNP_ERROR,("Av61883_GetUnitCapabilities Failed = 0x%x\n", Status)); return Status; } #ifdef NT51_61883 // // Set to create local plug in exclusive address mode: // This is needed for device that does not support CCM, such as DV. // // PBinder: the problem is that you cannot expose a global plug (all nodes on the bus can see it), // since they have no knowledge of what that plug is used for (mpeg2/dv/audio/etc). // so instead, you must create a plug in an exclusive address range. this means that only the device // that you loaded for will see the plug. this means that if you had two pc's and a dv camcorder, // on both pc's, you'll have a plug you created for the dv camcorder, but the pc's will not be able // to see the plug you created, only the dv camcorder. Keep in mind, this should only be used for // devices that do not support some mechanism of determining what plug to use (such as ccm). // so for any device that just goes out and uses plug #0, this must be enabled. // if(!NT_SUCCESS( Status = DVSetAddressRangeExclusive( pDevExt ))) { return Status; } #endif // NT51_61883 // // Get DV's oPCR[0] // if(pDevExt->NumOutputPlugs) { if(!NT_SUCCESS( Status = DVGetDVPlug( pDevExt, CMP_PlugOut, 0, // Plug [0] &pDevExt->hOPcrDV ))) { return Status; } } else { pDevExt->hOPcrDV = NULL; // Redundant since we Zero the whole DeviceExtension TRACE(TL_PNP_ERROR,("\'No output plug!\n")); // // This is bad! We cannot even stream from this DV device. // } // // Get DV's iPCR // if(pDevExt->NumInputPlugs) { if(!NT_SUCCESS( Status = DVGetDVPlug( pDevExt, CMP_PlugIn, 0, // Plug [0] &pDevExt->hIPcrDV ))) { return Status; } } else { pDevExt->hIPcrDV = NULL; // Redundant since we Zero the whole DeviceExtension TRACE(TL_PNP_ERROR,("\'No input plug!\n")); // // Some PAL camcorder has no DVIN plug; we will refuse to make PC->DV connection. // } #if 0 // Device control can still work! // // Need plug to stream DV (either direction) // if( pDevExt->hOPcrDV == NULL && pDevExt->hIPcrDV == NULL) { TRACE(TL_PNP_ERROR,("\'No input or output plug; return STATUS_INSUFFICIENT_RESOURCES!\n")); // // Cannot stream // return = STATUS_INSUFFICIENT_RESOUCES; } #endif // // Subunit_Info : VCR or camera // DVDelayExecutionThread(DV_AVC_CMD_DELAY_INTER_CMD); Status = DVIssueAVCCommand( pDevExt, AVC_CTYPE_STATUS, DV_SUBUNIT_INFO, (PVOID) bAvcBuf ); if(STATUS_SUCCESS == Status) { TRACE(TL_PNP_WARNING|TL_FCP_WARNING,("\'DVGetDevInfo: Status %x DV_SUBUNIT_INFO (%x %x %x %x)\n", Status, bAvcBuf[0], bAvcBuf[1], bAvcBuf[2], bAvcBuf[3])); // Support DV (Camera+DVCR), DVCR, or analog-DV converter if( bAvcBuf[0] != AVC_DEVICE_TAPE_REC && bAvcBuf[1] != AVC_DEVICE_TAPE_REC && bAvcBuf[2] != AVC_DEVICE_TAPE_REC && bAvcBuf[3] != AVC_DEVICE_TAPE_REC) { TRACE(TL_PNP_ERROR,("DVGetDevInfo:Device supported: %x, %x; (VCR %x, Camera %x)\n", bAvcBuf[0], bAvcBuf[1], AVC_DEVICE_TAPE_REC, AVC_DEVICE_CAMERA)); return STATUS_NOT_SUPPORTED; // We only support unit with a tape subunit } else { // DVCR.. } } else { TRACE(TL_PNP_ERROR,("DVGetDevInfo: DV_SUBUNIT_INFO failed, Status %x\n", Status)); // // Cannot open this device if it does not support manadatory AVC SUBUnit status command. // However, we are making an exception for the DV converter box (will return TIMEOUT). // // Has our device gone away? if ( STATUS_IO_DEVICE_ERROR == Status || STATUS_REQUEST_ABORTED == Status) return Status; } // // Medium_Info: MediaPresent, MediaType, RecordInhibit // pXPrtProperty = (PKSPROPERTY_EXTXPORT_S) bAvcBuf; DVDelayExecutionThread(DV_AVC_CMD_DELAY_INTER_CMD); Status = DVIssueAVCCommand( pDevExt, AVC_CTYPE_STATUS, VCR_MEDIUM_INFO, (PVOID) pXPrtProperty ); if(STATUS_SUCCESS == Status) { pDevExt->bHasTape = pXPrtProperty->u.MediumInfo.MediaPresent; TRACE(TL_PNP_WARNING|TL_FCP_WARNING,("\'DVGetDevInfo: Status %x HasTape %s, VCR_MEDIUM_INFO (%x %x %x %x)\n", Status, pDevExt->bHasTape ? "Yes" : "No", bAvcBuf[0], bAvcBuf[1], bAvcBuf[2], bAvcBuf[3])); } else { pDevExt->bHasTape = FALSE; TRACE(TL_PNP_ERROR,("DVGetDevInfo: VCR_MEDIUM_INFO failed, Status %x\n", Status)); // Has our device gone away? if ( STATUS_IO_DEVICE_ERROR == Status || STATUS_REQUEST_ABORTED == Status) return Status; } // // If this is a Panasonic AVC device, we will detect if it is a DVCPro format; // This needs to be called before MediaFormat // if(pDevExt->ulVendorID == VENDORID_PANASONIC) { DVDelayExecutionThread(DV_AVC_CMD_DELAY_INTER_CMD); DVGetDevIsItDVCPro( pDevExt ); } // // Medium format: NTSC or PAL // pDevExt->VideoFormatIndex = FMT_IDX_SD_DVCR_NTSC; // Default DVDelayExecutionThread(DV_AVC_CMD_DELAY_INTER_CMD); if(!DVGetDevSignalFormat( pDevExt, KSPIN_DATAFLOW_OUT, 0)) { TRACE(TL_PNP_ERROR,("\'!!! Cannot determine IN/OUTPUT SIGNAL MODE!!!! Driver abort !!!\n")); return STATUS_UNSUCCESSFUL; // STATUS_NOT_SUPPORTED; } else { if( pDevExt->VideoFormatIndex != FMT_IDX_SD_DVCR_NTSC && pDevExt->VideoFormatIndex != FMT_IDX_SD_DVCR_PAL && pDevExt->VideoFormatIndex != FMT_IDX_SDL_DVCR_NTSC && pDevExt->VideoFormatIndex != FMT_IDX_SDL_DVCR_PAL ) { TRACE(TL_PNP_ERROR,("**** Format idx %d not supported by this driver ***\n", pDevExt->VideoFormatIndex)); ASSERT(pDevExt->VideoFormatIndex == FMT_IDX_SD_DVCR_NTSC \ || pDevExt->VideoFormatIndex == FMT_IDX_SD_DVCR_PAL \ || pDevExt->VideoFormatIndex == FMT_IDX_SDL_DVCR_NTSC \ || pDevExt->VideoFormatIndex == FMT_IDX_SDL_DVCR_PAL \ ); return STATUS_UNSUCCESSFUL; // STATUS_NOT_SUPPORTED; } } // // Mode of Operation: 0(Undetermined), Camera or VCR // DVDelayExecutionThread(DV_AVC_CMD_DELAY_INTER_CMD); DVGetDevModeOfOperation( pDevExt ); return STATUS_SUCCESS; // Status; } NTSTATUS DVInitializeDevice( IN PDVCR_EXTENSION pDevExt, IN PPORT_CONFIGURATION_INFORMATION pConfigInfo, IN PAV_61883_REQUEST pAVReq ) /*++ Routine Description: This where we perform the necessary initialization tasks. --*/ { int i; NTSTATUS Status = STATUS_SUCCESS; PAGED_CODE(); // // Initialize the device extension structure // DVIniDevExtStruct( pDevExt, pConfigInfo ); #ifdef READ_CUTOMIZE_REG_VALUES // // Get values from this device's own registry // DVGetPropertyValuesFromRegistry( pDevExt ); #endif // // Query device information at the laod time: // Subunit // Unit Info // Mode of operation // NTSC or PAL // Speed // oPCR/iPCR // Status = DVGetDevInfo( pDevExt, pAVReq ); if(!NT_SUCCESS(Status)) { TRACE(TL_PNP_ERROR,("\'DVGetDevInfo failed %x\n", Status)); // While driver is loading, the device could be unplug. // In this case, the AVC command can return STATUS_REQUEST_ABORTED. // In DvGetDevInfo may then return STATUS_NOT_SUPPORTED or STATUS_UNSUCCESSFUL. // We will then return this status to indicate loading failure. #if 0 // DBG if(Status != STATUS_REQUEST_ABORTED && !NT_SUCCESS(Status)) { ASSERT(NT_SUCCESS(Status) && "DVGetDevInfo failed"); } #endif return Status; } #ifdef NT51_61883 // // Get Unit isoch parameters // if(!NT_SUCCESS( Status = DVGetUnitIsochParam( pDevExt, &pDevExt->UnitIoschParams ))) return Status; // // Create a local output plug. This plug is used to updated isoch // resource used when connection was made. // if(!NT_SUCCESS( Status = DVCreateLocalPlug( pDevExt, CMP_PlugOut, 0, // Plug number &pDevExt->hOPcrPC ))) return Status; #endif // // Note: Must do ExAllocatePool after DVIniDevExtStruct() since ->paCurrentStrmInfo is initialized. // Since the format that this driver support is known when this driver is known,' // the stream information table need to be custonmized. Make a copy and customized it. // // // Set the size of the stream inforamtion structure that we returned in SRB_GET_STREAM_INFO // pDevExt->paCurrentStrmInfo = (HW_STREAM_INFORMATION *) ExAllocatePool(NonPagedPool, sizeof(HW_STREAM_INFORMATION) * DV_STREAM_COUNT); if(!pDevExt->paCurrentStrmInfo) return STATUS_INSUFFICIENT_RESOURCES; pConfigInfo->StreamDescriptorSize = (DV_STREAM_COUNT * sizeof(HW_STREAM_INFORMATION)) + // number of stream descriptors sizeof(HW_STREAM_HEADER); // and 1 stream header // Make a copy of the default stream information for(i = 0; i < DV_STREAM_COUNT; i++ ) pDevExt->paCurrentStrmInfo[i] = DVStreams[i].hwStreamInfo; // Set AUDIO AUX to reflect: NTSC/PAL, consumer DV or DVCPRO if(pDevExt->bDVCPro) { // Note: there is no DVInfo in VideoInfoHeader but there is for the iAV streams. SDDV_IavPalStream.DVVideoInfo.dwDVAAuxSrc = AAUXSRC_SD_PAL_DVCPRO; SDDV_IavPalStream.DVVideoInfo.dwDVAAuxSrc1 = AAUXSRC_SD_PAL_DVCPRO | AAUXSRC_AMODE_F; SDDV_IavPalStream.DVVideoInfo.dwDVVAuxSrc = VAUXSRC_DEFAULT | AUXSRC_PAL | AUXSRC_STYPE_SD_DVCPRO; SDDV_IavNtscStream.DVVideoInfo.dwDVAAuxSrc = AAUXSRC_SD_NTSC_DVCPRO; SDDV_IavNtscStream.DVVideoInfo.dwDVAAuxSrc1= AAUXSRC_SD_NTSC_DVCPRO | AAUXSRC_AMODE_F; SDDV_IavNtscStream.DVVideoInfo.dwDVVAuxSrc = VAUXSRC_DEFAULT | AUXSRC_NTSC | AUXSRC_STYPE_SD_DVCPRO; } else { // This might be necessary for the 2nd instance of MSDV (1st:DVCPRO; 2nd:DVSD) SDDV_IavPalStream.DVVideoInfo.dwDVAAuxSrc = AAUXSRC_SD_PAL; SDDV_IavPalStream.DVVideoInfo.dwDVAAuxSrc1 = AAUXSRC_SD_PAL | AAUXSRC_AMODE_F; SDDV_IavPalStream.DVVideoInfo.dwDVVAuxSrc = VAUXSRC_DEFAULT | AUXSRC_PAL | AUXSRC_STYPE_SD; SDDV_IavNtscStream.DVVideoInfo.dwDVAAuxSrc = AAUXSRC_SD_NTSC; SDDV_IavNtscStream.DVVideoInfo.dwDVAAuxSrc1= AAUXSRC_SD_NTSC | AAUXSRC_AMODE_F; SDDV_IavNtscStream.DVVideoInfo.dwDVVAuxSrc = VAUXSRC_DEFAULT | AUXSRC_NTSC | AUXSRC_STYPE_SD; } // Initialize last time format was updated pDevExt->tmLastFormatUpdate = GetSystemTime(); TRACE(TL_PNP_WARNING,("\'#### %s%s:%s:%s PhyDO %x, BusDO %x, DevExt %x, FrmSz %d; StrmIf %d\n", (pDevExt->ulDevType == ED_DEVTYPE_VCR ? "DVCR" : (pDevExt->ulDevType == ED_DEVTYPE_CAMERA ? "Camera" : "Tuner?")), pDevExt->bDVCPro ? "(DVCPRO)":"", (pDevExt->VideoFormatIndex == FMT_IDX_SD_DVCR_NTSC || pDevExt->VideoFormatIndex == FMT_IDX_SDL_DVCR_NTSC)? "SD:NTSC" : (pDevExt->VideoFormatIndex == FMT_IDX_SD_DVCR_PAL || pDevExt->VideoFormatIndex == FMT_IDX_SDL_DVCR_PAL) ? "PAL" : "MPEG_TS?", (pDevExt->ulDevType == ED_DEVTYPE_VCR && pDevExt->NumInputPlugs > 0) ? "CanRec" : "NotRec", pDevExt->pPhysicalDeviceObject, pDevExt->pBusDeviceObject, pDevExt, DVFormatInfoTable[pDevExt->VideoFormatIndex].ulFrameSize, pConfigInfo->StreamDescriptorSize )); return STATUS_SUCCESS; } NTSTATUS DVInitializeCompleted( IN PDVCR_EXTENSION pDevExt ) /*++ Routine Description: This where we perform the necessary initialization tasks. --*/ { PAGED_CODE(); #ifdef SUPPORT_OPTIMIZE_AVCCMD_RETRIES // // Determine retries // pDevExt->DrvLoadCompleted = TRUE; if((pDevExt->AVCCmdRespTimeSum / pDevExt->AVCCmdCount) > (DEFAULT_AVC_TIMEOUT * DEFAULT_AVC_RETRIES / 10000)) { // If every AVC command was timed out, do not bother to retry. pDevExt->AVCCmdRetries = 0; } else { #if 0 // Some camcorders do not queue up comand so follow a transport // state change, it will not accept any AVC command until transport // state is in the stable state. So further delay is needed. if( // Exception for Samsung; always timeout following XPrt command // Or maybe it does not support transport state status command! pDevExt->ulVendorID == VENDORID_SAMSUNG ) { TRACE(TL_PNP_ERROR,("Samsung DV device: use default AVC setting.\n")); } else { pDevExt->AVCCmdRetries = MAX_AVC_CMD_RETRIES; } #endif } TRACE(TL_PNP_ERROR,("AVCCMd Response Time: pDevExt:%x; Range (%d..%d); Avg %d/%d = %d; Retries:%d\n", pDevExt, pDevExt->AVCCmdRespTimeMin, pDevExt->AVCCmdRespTimeMax, pDevExt->AVCCmdRespTimeSum, pDevExt->AVCCmdCount, pDevExt->AVCCmdRespTimeSum / pDevExt->AVCCmdCount, pDevExt->AVCCmdRetries )); #endif return STATUS_SUCCESS; } NTSTATUS DVGetStreamInfo( IN PDVCR_EXTENSION pDevExt, IN ULONG ulBytesToTransfer, IN PHW_STREAM_HEADER pStreamHeader, IN PHW_STREAM_INFORMATION pStreamInfo ) /*++ Routine Description: Returns the information of all streams that are supported by the driver --*/ { ULONG i; PAGED_CODE(); // // Make sure we have enough space to return our stream informations // if(ulBytesToTransfer < sizeof (HW_STREAM_HEADER) + sizeof(HW_STREAM_INFORMATION) * DV_STREAM_COUNT ) { TRACE(TL_PNP_ERROR,("\'DVGetStrmInfo: ulBytesToTransfer %d ?= %d\n", ulBytesToTransfer, sizeof(HW_STREAM_HEADER) + sizeof(HW_STREAM_INFORMATION) * DV_STREAM_COUNT )); return STATUS_INVALID_PARAMETER; } // // Initialize stream header: // Device properties // Streams // RtlZeroMemory(pStreamHeader, sizeof(HW_STREAM_HEADER)); pStreamHeader->NumberOfStreams = DV_STREAM_COUNT; pStreamHeader->SizeOfHwStreamInformation = sizeof(HW_STREAM_INFORMATION); pStreamHeader->NumDevPropArrayEntries = NUMBER_VIDEO_DEVICE_PROPERTIES; pStreamHeader->DevicePropertiesArray = (PKSPROPERTY_SET) VideoDeviceProperties; pStreamHeader->NumDevEventArrayEntries = NUMBER_VIDEO_DEVICE_EVENTS; pStreamHeader->DeviceEventsArray = (PKSEVENT_SET) VideoDeviceEvents; TRACE(TL_PNP_TRACE,("\'DVGetStreamInfo: StreamPropEntries %d, DevicePropEntries %d\n", pStreamHeader->NumberOfStreams, pStreamHeader->NumDevPropArrayEntries)); // // Initialize the stream structure. // for( i = 0; i < DV_STREAM_COUNT; i++ ) *pStreamInfo++ = pDevExt->paCurrentStrmInfo[i]; // // // store a pointer to the topology for the device // pStreamHeader->Topology = &Topology; return STATUS_SUCCESS; } BOOL DVVerifyDataFormat( PKSDATAFORMAT pKSDataFormatToVerify, ULONG StreamNumber, ULONG ulSupportedFrameSize, HW_STREAM_INFORMATION * paCurrentStrmInfo ) /*++ Routine Description: Checks the validity of a format request by walking through the array of supported KSDATA_RANGEs for a given stream. Arguments: pKSDataFormat - pointer of a KS_DATAFORMAT_VIDEOINFOHEADER structure. StreamNumber - index of the stream being queried / opened. Return Value: TRUE if the format is supported FALSE if the format cannot be suppored --*/ { PKSDATAFORMAT *pAvailableFormats; int NumberOfFormatArrayEntries; int j; PAGED_CODE(); // // Make sure the stream index is valid (0..DV_STREAM_COUNT-1) // if(StreamNumber >= DV_STREAM_COUNT) { return FALSE; } // // How many formats does this stream support? // NumberOfFormatArrayEntries = paCurrentStrmInfo[StreamNumber].NumberOfFormatArrayEntries; // // Get the pointer to the array of available formats // pAvailableFormats = paCurrentStrmInfo[StreamNumber].StreamFormatsArray; // // Walk the array, searching for a match // for (j = 0; j < NumberOfFormatArrayEntries; j++, pAvailableFormats++) { // // Check supported sample size (== frame size). e.g. SD and SDL have different sample size. // if( (*pAvailableFormats)->SampleSize != ulSupportedFrameSize) { TRACE(TL_STRM_TRACE,("\' StrmNum %d, %d of %d formats, SizeToVerify %d *!=* SupportedSampleSize %d\n", StreamNumber, j+1, NumberOfFormatArrayEntries, (*pAvailableFormats)->SampleSize, ulSupportedFrameSize)); continue; } if (!DVCmpGUIDsAndFormatSize( pKSDataFormatToVerify, *pAvailableFormats, TRUE, // Compare subformat FALSE /* CompareFormatSize */ )) { continue; } // // Additional verification test // if(IsEqualGUID (&pKSDataFormatToVerify->Specifier, &KSDATAFORMAT_SPECIFIER_VIDEOINFO)) { // Make sure if( ((PKS_DATAFORMAT_VIDEOINFOHEADER)pKSDataFormatToVerify)->VideoInfoHeader.bmiHeader.biSizeImage != ulSupportedFrameSize) { TRACE(TL_STRM_WARNING,("VIDEOINFO: biSizeToVerify %d != Supported %d\n", ((PKS_DATAFORMAT_VIDEOINFOHEADER)pKSDataFormatToVerify)->VideoInfoHeader.bmiHeader.biSizeImage, ulSupportedFrameSize )); continue; } else { TRACE(TL_STRM_TRACE,("VIDOINFO: **** biSizeToVerify %d == Supported %d\n", ((PKS_DATAFORMAT_VIDEOINFOHEADER)pKSDataFormatToVerify)->VideoInfoHeader.bmiHeader.biSizeImage, ulSupportedFrameSize )); } #ifdef SUPPORT_NEW_AVC } else if (IsEqualGUID (&pKSDataFormatToVerify->Specifier, &KSDATAFORMAT_SPECIFIER_DVINFO) || IsEqualGUID (&pKSDataFormatToVerify->Specifier, &KSDATAFORMAT_SPECIFIER_DV_AVC) ) { #else } else if (IsEqualGUID (&pKSDataFormatToVerify->Specifier, &KSDATAFORMAT_SPECIFIER_DVINFO)) { #endif // Test 50/60 bit if((((PKS_DATARANGE_DVVIDEO) pKSDataFormatToVerify)->DVVideoInfo.dwDVAAuxSrc & MASK_AUX_50_60_BIT) != (((PKS_DATARANGE_DVVIDEO) *pAvailableFormats)->DVVideoInfo.dwDVAAuxSrc & MASK_AUX_50_60_BIT) || (((PKS_DATARANGE_DVVIDEO) pKSDataFormatToVerify)->DVVideoInfo.dwDVVAuxSrc & MASK_AUX_50_60_BIT) != (((PKS_DATARANGE_DVVIDEO) *pAvailableFormats)->DVVideoInfo.dwDVVAuxSrc & MASK_AUX_50_60_BIT) ) { TRACE(TL_STRM_WARNING,("VerifyFormat failed: ASrc: %x!=%x (MSDV);or VSrc: %x!=%x\n", ((PKS_DATARANGE_DVVIDEO) pKSDataFormatToVerify)->DVVideoInfo.dwDVAAuxSrc, ((PKS_DATARANGE_DVVIDEO) *pAvailableFormats)->DVVideoInfo.dwDVAAuxSrc, ((PKS_DATARANGE_DVVIDEO) pKSDataFormatToVerify)->DVVideoInfo.dwDVVAuxSrc, ((PKS_DATARANGE_DVVIDEO) *pAvailableFormats)->DVVideoInfo.dwDVVAuxSrc )); continue; } #if 0 // Make sure the verified format's sample size is supported by the device if(ulSupportedFrameSize != ((PKS_DATARANGE_DVVIDEO) pKSDataFormatToVerify)->DataRange.SampleSize) { TRACE(TL_STRM_WARNING,("\'SupportedFrameSize %d != SampleSize:%d\n", ulSupportedFrameSize, ((PKS_DATARANGE_DVVIDEO)pKSDataFormatToVerify)->DataRange.SampleSize)); continue; } #endif TRACE(TL_STRM_TRACE,("\'DVINFO: dwDVAAuxCtl %x, Supported %x\n", ((PKS_DATARANGE_DVVIDEO) pKSDataFormatToVerify)->DVVideoInfo.dwDVAAuxSrc, ((PKS_DATARANGE_DVVIDEO) *pAvailableFormats)->DVVideoInfo.dwDVAAuxSrc )); TRACE(TL_STRM_TRACE,("\'DVINFO: dwDVVAuxSrc %x, Supported %x\n", ((PKS_DATARANGE_DVVIDEO) pKSDataFormatToVerify)->DVVideoInfo.dwDVVAuxSrc, ((PKS_DATARANGE_DVVIDEO) *pAvailableFormats)->DVVideoInfo.dwDVVAuxSrc )); } else { continue; } return TRUE; } return FALSE; } NTSTATUS DVGetDataIntersection( IN ULONG ulStreamNumber, IN PKSDATARANGE pDataRange, OUT PVOID pDataFormatBuffer, IN ULONG ulSizeOfDataFormatBuffer, IN ULONG ulSupportedFrameSize, OUT ULONG *pulActualBytesTransferred, HW_STREAM_INFORMATION * paCurrentStrmInfo #ifdef SUPPORT_NEW_AVC ,IN HANDLE hPlug #endif ) /*++ Routine Description: Called to get a DATAFORMAT from a DATARANGE. --*/ { BOOL bMatchFound = FALSE; ULONG ulFormatSize; ULONG j; ULONG ulNumberOfFormatArrayEntries; PKSDATAFORMAT *pAvailableFormats; PAGED_CODE(); // // Check that the stream number is valid // if(ulStreamNumber >= DV_STREAM_COUNT) { TRACE(TL_STRM_ERROR,("\'DVCRFormatFromRange: ulStreamNumber %d >= DV_STREAM_COUNT %d\n", ulStreamNumber, DV_STREAM_COUNT)); return STATUS_NOT_SUPPORTED; } // Number of format this stream supports ulNumberOfFormatArrayEntries = paCurrentStrmInfo[ulStreamNumber].NumberOfFormatArrayEntries; // // Get the pointer to the array of available formats // pAvailableFormats = paCurrentStrmInfo[ulStreamNumber].StreamFormatsArray; // // Walk the formats supported by the stream searching for a match // Note: DataIntersection is really enumerating supported MediaType only! // SO matter compare format is NTSC or PAL, we need suceeded both; // however, we will copy back only the format is currently supported (NTSC or PAL). // for(j = 0; j < ulNumberOfFormatArrayEntries; j++, pAvailableFormats++) { if(!DVCmpGUIDsAndFormatSize(pDataRange, *pAvailableFormats, FALSE, TRUE)) { TRACE(TL_STRM_TRACE,("\'DVCmpGUIDsAndFormatSize failed!\n")); continue; } // // Check supported sample size (== frame size). // if( (*pAvailableFormats)->SampleSize != ulSupportedFrameSize) { TRACE(TL_STRM_TRACE,("\' StrmNum %d, %d of %d formats, SizeToVerify %d *!=* SupportedSampleSize %d\n", ulStreamNumber, j+1, ulNumberOfFormatArrayEntries, (*pAvailableFormats)->SampleSize, ulSupportedFrameSize)); continue; } // ------------------------------------------------------------------- // Specifier FORMAT_VideoInfo for VIDEOINFOHEADER // ------------------------------------------------------------------- if(IsEqualGUID (&pDataRange->Specifier, &KSDATAFORMAT_SPECIFIER_VIDEOINFO)) { PKS_DATARANGE_VIDEO pDataRangeVideoToVerify = (PKS_DATARANGE_VIDEO) pDataRange; PKS_DATARANGE_VIDEO pDataRangeVideo = (PKS_DATARANGE_VIDEO) *pAvailableFormats; #if 0 // // Check that the other fields match // if ((pDataRangeVideoToVerify->bFixedSizeSamples != pDataRangeVideo->bFixedSizeSamples) || (pDataRangeVideoToVerify->bTemporalCompression != pDataRangeVideo->bTemporalCompression) || (pDataRangeVideoToVerify->StreamDescriptionFlags != pDataRangeVideo->StreamDescriptionFlags) || (pDataRangeVideoToVerify->MemoryAllocationFlags != pDataRangeVideo->MemoryAllocationFlags) #ifdef COMPARE_CONFIG_CAP || (RtlCompareMemory (&pDataRangeVideoToVerify->ConfigCaps, &pDataRangeVideo->ConfigCaps, sizeof (KS_VIDEO_STREAM_CONFIG_CAPS)) != sizeof (KS_VIDEO_STREAM_CONFIG_CAPS)) #endif ) { TRACE(TL_STRM_TRACE,("\'DVFormatFromRange: *!=* bFixSizeSample (%d %d) (%d %d) (%d %d) (%x %x)\n", pDataRangeVideoToVerify->bFixedSizeSamples, pDataRangeVideo->bFixedSizeSamples, pDataRangeVideoToVerify->bTemporalCompression , pDataRangeVideo->bTemporalCompression, pDataRangeVideoToVerify->StreamDescriptionFlags, pDataRangeVideo->StreamDescriptionFlags, pDataRangeVideoToVerify->ConfigCaps.VideoStandard, pDataRangeVideo->ConfigCaps.VideoStandard )); continue; } else { TRACE(TL_STRM_TRACE,("\'DVFormatFromRange: == bFixSizeSample (%d %d) (%d %d) (%d %d) (%x %x)\n", pDataRangeVideoToVerify->bFixedSizeSamples, pDataRangeVideo->bFixedSizeSamples, pDataRangeVideoToVerify->bTemporalCompression , pDataRangeVideo->bTemporalCompression, pDataRangeVideoToVerify->StreamDescriptionFlags, pDataRangeVideo->StreamDescriptionFlags, pDataRangeVideoToVerify->ConfigCaps.VideoStandard, pDataRangeVideo->ConfigCaps.VideoStandard )); } #endif bMatchFound = TRUE; ulFormatSize = sizeof (KSDATAFORMAT) + KS_SIZE_VIDEOHEADER (&pDataRangeVideo->VideoInfoHeader); if(ulSizeOfDataFormatBuffer == 0) { // We actually have not returned this much data, // this "size" will be used by Ksproxy to send down // a buffer of that size in next query. *pulActualBytesTransferred = ulFormatSize; return STATUS_BUFFER_OVERFLOW; } // Caller wants the full data format if(ulSizeOfDataFormatBuffer < ulFormatSize) { TRACE(TL_STRM_ERROR,("VIDEOINFO: StreamNum %d, SizeOfDataFormatBuffer %d < ulFormatSize %d\n",ulStreamNumber, ulSizeOfDataFormatBuffer, ulFormatSize)); return STATUS_BUFFER_TOO_SMALL; } // KS_DATAFORMAT_VIDEOINFOHEADER // KSDATAFORMAT DataFormat; // KS_VIDEOINFOHEADER VideoInfoHeader; RtlCopyMemory( &((PKS_DATAFORMAT_VIDEOINFOHEADER)pDataFormatBuffer)->DataFormat, &pDataRangeVideo->DataRange, sizeof (KSDATAFORMAT)); // This size is differnt from our data range size which also contains ConfigCap ((PKSDATAFORMAT)pDataFormatBuffer)->FormatSize = ulFormatSize; *pulActualBytesTransferred = ulFormatSize; RtlCopyMemory( &((PKS_DATAFORMAT_VIDEOINFOHEADER) pDataFormatBuffer)->VideoInfoHeader, &pDataRangeVideo->VideoInfoHeader, KS_SIZE_VIDEOHEADER (&pDataRangeVideo->VideoInfoHeader)); TRACE(TL_STRM_TRACE,("\'DVFormatFromRange: Matched, StrmNum %d, FormatSize %d, CopySize %d; FormatBufferSize %d, biSizeImage.\n", ulStreamNumber, (*pAvailableFormats)->FormatSize, ulFormatSize, ulSizeOfDataFormatBuffer, ((PKS_DATAFORMAT_VIDEOINFOHEADER) pDataFormatBuffer)->VideoInfoHeader.bmiHeader.biSizeImage)); return STATUS_SUCCESS; } else if (IsEqualGUID (&pDataRange->Specifier, &KSDATAFORMAT_SPECIFIER_DVINFO)) { // ------------------------------------------------------------------- // Specifier FORMAT_DVInfo for KS_DATARANGE_DVVIDEO // ------------------------------------------------------------------- // MATCH FOUND! bMatchFound = TRUE; ulFormatSize = sizeof(KS_DATARANGE_DVVIDEO); if(ulSizeOfDataFormatBuffer == 0) { // We actually have not returned this much data, // this "size" will be used by Ksproxy to send down // a buffer of that size in next query. *pulActualBytesTransferred = ulFormatSize; return STATUS_BUFFER_OVERFLOW; } // Caller wants the full data format if (ulSizeOfDataFormatBuffer < ulFormatSize) { TRACE(TL_STRM_ERROR,("\'DVINFO: StreamNum %d, SizeOfDataFormatBuffer %d < ulFormatSize %d\n", ulStreamNumber, ulSizeOfDataFormatBuffer, ulFormatSize)); return STATUS_BUFFER_TOO_SMALL; } RtlCopyMemory( pDataFormatBuffer, *pAvailableFormats, (*pAvailableFormats)->FormatSize); ((PKSDATAFORMAT)pDataFormatBuffer)->FormatSize = ulFormatSize; *pulActualBytesTransferred = ulFormatSize; TRACE(TL_STRM_TRACE,("\'** DVFormatFromRange: (DVINFO) Matched, StrmNum %d, FormatSize %d, CopySize %d; FormatBufferSize %d.\n", ulStreamNumber, (*pAvailableFormats)->FormatSize, ulFormatSize, ulSizeOfDataFormatBuffer)); return STATUS_SUCCESS; #ifdef SUPPORT_NEW_AVC } else if (IsEqualGUID (&pDataRange->Specifier, &KSDATAFORMAT_SPECIFIER_DV_AVC)) { // ------------------------------------------------------------------- // Specifier FORMAT_DVInfo for KS_DATARANGE_DVVIDEO // ------------------------------------------------------------------- // MATCH FOUND! bMatchFound = TRUE; ulFormatSize = sizeof(KS_DATARANGE_DV_AVC); if(ulSizeOfDataFormatBuffer == 0) { // We actually have not returned this much data, // this "size" will be used by Ksproxy to send down // a buffer of that size in next query. *pulActualBytesTransferred = ulFormatSize; return STATUS_BUFFER_OVERFLOW; } // Caller wants the full data format if (ulSizeOfDataFormatBuffer < ulFormatSize) { TRACE(TL_STRM_ERROR,("\'** DV_AVC: StreamNum %d, SizeOfDataFormatBuffer %d < ulFormatSize %d\n", ulStreamNumber, ulSizeOfDataFormatBuffer, ulFormatSize)); return STATUS_BUFFER_TOO_SMALL; } RtlCopyMemory( pDataFormatBuffer, *pAvailableFormats, (*pAvailableFormats)->FormatSize); ((KS_DATAFORMAT_DV_AVC *)pDataFormatBuffer)->ConnectInfo.hPlug = hPlug; ((PKSDATAFORMAT)pDataFormatBuffer)->FormatSize = ulFormatSize; *pulActualBytesTransferred = ulFormatSize; TRACE(TL_STRM_TRACE,("\'*** DVFormatFromRange: (DV_AVC) Matched, StrmNum %d, FormatSize %d, CopySize %d; FormatBufferSize %d.\n", ulStreamNumber, (*pAvailableFormats)->FormatSize, ulFormatSize, ulSizeOfDataFormatBuffer)); return STATUS_SUCCESS; #endif // SUPPORT_NEW_AVC } else { TRACE(TL_STRM_ERROR,("\'Invalid Specifier, No match !\n")); return STATUS_NO_MATCH; } } // End of loop on all formats for this stream if(!bMatchFound) { TRACE(TL_STRM_TRACE,("\'DVFormatFromRange: No Match! StrmNum %d, pDataRange %x\n", ulStreamNumber, pDataRange)); } return STATUS_NO_MATCH; } VOID DVIniStrmExt( PHW_STREAM_OBJECT pStrmObject, PSTREAMEX pStrmExt, PDVCR_EXTENSION pDevExt, const PALL_STREAM_INFO pStream ) /*++ Routine Description: Initialize stream extension strcuture. --*/ { PAGED_CODE(); RtlZeroMemory( pStrmExt, sizeof(STREAMEX) ); pStrmExt->bEOStream = TRUE; // Stream has not started yet! pStrmExt->pStrmObject = pStrmObject; pStrmExt->StreamState = KSSTATE_STOP; pStrmExt->pDevExt = pDevExt; pStrmExt->hMyClock = 0; pStrmExt->hMasterClock = 0; pStrmExt->hClock = 0; // // Aplly to both IN/OUT data flow // // // Init isoch resources // pStrmExt->CurrentStreamTime = 0; pStrmExt->cntSRBReceived = 0; // number of SRB_READ/WRITE_DATA pStrmExt->cntSRBCancelled = 0; // number of SRB_READ/WRITE_DATA cancelled pStrmExt->FramesProcessed = 0; pStrmExt->PictureNumber = 0; pStrmExt->FramesDropped = 0; #ifdef MSDV_SUPPORT_EXTRACT_SUBCODE_DATA // // Subcode data that can be extract from a DV frame // pStrmExt->AbsTrackNumber = 0; pStrmExt->bATNUpdated = FALSE; pStrmExt->Timecode[0] = 0; pStrmExt->Timecode[1] = 0; pStrmExt->Timecode[2] = 0; pStrmExt->Timecode[3] = 0; pStrmExt->bTimecodeUpdated = FALSE; #endif // // Flow control and queue management // pStrmExt->lStartIsochToken = 0; pStrmExt->pAttachFrameThreadObject = NULL; pStrmExt->cntSRBQueued = 0; // SRB_WRITE_DATA only InitializeListHead(&pStrmExt->SRBQueuedListHead); // SRB_WRITE_DATA only pStrmExt->cntDataDetached = 0; InitializeListHead(&pStrmExt->DataDetachedListHead); pStrmExt->cntDataAttached = 0; InitializeListHead(&pStrmExt->DataAttachedListHead); pStrmExt->b1stNewFrameFromPauseState = TRUE; // STOP State-> RUN will have discontinuity // // Work item variables use to cancel all SRBs // pStrmExt->lCancelStateWorkItem = 0; pStrmExt->bAbortPending = FALSE; #ifdef USE_WDM110 pStrmExt->pIoWorkItem = NULL; #endif // // Cache the pointer // What in DVStreams[] are READONLY // pStrmExt->pStrmInfo = &pStream->hwStreamInfo; pStrmObject->ReceiveDataPacket = (PVOID) pStream->hwStreamObject.ReceiveDataPacket; pStrmObject->ReceiveControlPacket = (PVOID) pStream->hwStreamObject.ReceiveControlPacket; pStrmObject->Dma = pStream->hwStreamObject.Dma; pStrmObject->Pio = pStream->hwStreamObject.Pio; pStrmObject->StreamHeaderWorkspace = pStream->hwStreamObject.StreamHeaderWorkspace; pStrmObject->StreamHeaderMediaSpecific = pStream->hwStreamObject.StreamHeaderMediaSpecific; pStrmObject->HwClockObject = pStream->hwStreamObject.HwClockObject; pStrmObject->Allocator = pStream->hwStreamObject.Allocator; pStrmObject->HwEventRoutine = pStream->hwStreamObject.HwEventRoutine; } NTSTATUS DVOpenStream( IN PHW_STREAM_OBJECT pStrmObject, IN PKSDATAFORMAT pOpenFormat, IN PAV_61883_REQUEST pAVReq ) /*++ Routine Description: Verify the OpenFormat and then allocate PC resource needed for this stream. The isoch resource, if needed, is allocated when streaming is transition to PAUSE state. --*/ { NTSTATUS Status = STATUS_SUCCESS; PSTREAMEX pStrmExt; PDVCR_EXTENSION pDevExt; ULONG idxStreamNumber; KSPIN_DATAFLOW DataFlow; PIRP pIrp; FMT_INDEX VideoFormatIndexLast; // Last format index; used to detect change. #ifdef SUPPORT_NEW_AVC AVCCONNECTINFO * pAvcConnectInfo; #endif PAGED_CODE(); pDevExt = (PDVCR_EXTENSION) pStrmObject->HwDeviceExtension; pStrmExt = (PSTREAMEX) pStrmObject->HwStreamExtension; idxStreamNumber = pStrmObject->StreamNumber; TRACE(TL_STRM_TRACE,("\'DVOpenStream: pStrmObject %x, pOpenFormat %x, cntOpen %d, idxStream %d\n", pStrmObject, pOpenFormat, pDevExt->cndStrmOpen, idxStreamNumber)); // // Only one string can be open at any time to prevent cyclin connection // if(pDevExt->cndStrmOpen > 0) { TRACE(TL_STRM_WARNING,("\'DVOpenStream: %d stream open already; failed hr %x\n", pDevExt->cndStrmOpen, Status)); return STATUS_UNSUCCESSFUL; } if(!(pIrp = IoAllocateIrp(pDevExt->pBusDeviceObject->StackSize, FALSE))) return STATUS_INSUFFICIENT_RESOURCES; // // If a user switch from Camera to VCR mode very quickly (passing the OFF position), // the driver may not be relaoded to detect correct mode of operation. // It is safe to redetect here. // Note: MSDV does return all the stream info for both input and output pin format. // DVGetDevModeOfOperation(pDevExt); // // WARNING: !! we advertise both input and output pin regardless of its mode of operation, // but Camera does not support input pin so open should failed! // If a VCR does not have input pin should fail as well. // // Ignore checking for ED_DEVTYOPE_UNKNOWN (most likely a hardware decoder box) // if((pDevExt->ulDevType == ED_DEVTYPE_CAMERA || (pDevExt->ulDevType == ED_DEVTYPE_VCR && pDevExt->NumInputPlugs == 0)) && idxStreamNumber == 2) { TRACE(TL_STRM_ERROR,("\'OpenStream failed: Camera or VCR (0 inpin).\n")); Status = STATUS_UNSUCCESSFUL; goto AbortOpenStream; } ASSERT(idxStreamNumber < DV_STREAM_COUNT); ASSERT(pDevExt->paStrmExt[idxStreamNumber] == NULL); // Not yet open! // // Initialize the stream extension structure // DVIniStrmExt( pStrmObject, pStrmExt, pDevExt, &DVStreams[idxStreamNumber] ); // Sony's NTSC can play PAL tape and its plug will change its supported format accordingly. // // Query video format (NTSC/PAL) supported. // Compare with its default (set at load time or last opensteam), // if difference, change our internal video format table. // DataFlow= pDevExt->paCurrentStrmInfo[idxStreamNumber].DataFlow; VideoFormatIndexLast = pDevExt->VideoFormatIndex; if(!DVGetDevSignalFormat( pDevExt, DataFlow, pStrmExt )) { // If querying its format has failed, we cannot open this stream. TRACE(TL_STRM_ERROR,("\'OpenStream failed:cannot determine signal mode (NTSC/PAL, SD.SDL).\n")); Status = STATUS_UNSUCCESSFUL; goto AbortOpenStream; } // // Check the video data format is okay. // if(!DVVerifyDataFormat( pOpenFormat, idxStreamNumber, DVFormatInfoTable[pDevExt->VideoFormatIndex].ulFrameSize, pDevExt->paCurrentStrmInfo ) ) { TRACE(TL_STRM_ERROR,("\'DVOpenStream: AdapterVerifyFormat failed.\n")); Status = STATUS_INVALID_PARAMETER; goto AbortOpenStream; } // // Initialize events used for synchronization // #ifdef SUPPORT_PREROLL_AT_RUN_STATE KeInitializeEvent(&pStrmExt->hPreRollEvent, NotificationEvent, FALSE); // Non-signal; Satisfy multple thread; manual reset #endif KeInitializeEvent(&pStrmExt->hSrbArriveEvent, NotificationEvent, FALSE); // Non-signal; Satisfy multiple thread; manual reset KeInitializeEvent(&pStrmExt->hCancelDoneEvent, NotificationEvent, TRUE); // Signal! // // Synchronize attaching frame thread and other critical operations: // (1) power off/on; and // (2) surprise removal // if(KSPIN_DATAFLOW_IN == DataFlow) { KeInitializeEvent(&pStrmExt->hRunThreadEvent, SynchronizationEvent /*NotificationEvent*/, FALSE); // Def to SIGNAL state KeInitializeEvent(&pStrmExt->hStopThreadEvent, /*SynchronizationEvent*/ NotificationEvent, TRUE); } // // Alloccate synchronization structures for flow control and queue management // if(!(pStrmExt->hStreamMutex = (KMUTEX *) ExAllocatePool(NonPagedPool, sizeof(KMUTEX)))) { Status = STATUS_INSUFFICIENT_RESOURCES; goto AbortOpenStream; } KeInitializeMutex( pStrmExt->hStreamMutex, 0); // Level 0 and in Signal state if(!(pStrmExt->DataListLock = (KSPIN_LOCK *) ExAllocatePool(NonPagedPool, sizeof(KSPIN_LOCK)))) { Status = STATUS_INSUFFICIENT_RESOURCES; goto AbortOpenStream; } KeInitializeSpinLock(pStrmExt->DataListLock); #if DBG pStrmExt->DataListLockSave = pStrmExt->DataListLock; #endif // // Allocate resource for timer DPC // if(!(pStrmExt->DPCTimer = (KDPC *) ExAllocatePool(NonPagedPool, sizeof(KDPC)))) { Status = STATUS_INSUFFICIENT_RESOURCES; goto AbortOpenStream; } if(!(pStrmExt->Timer = (KTIMER *) ExAllocatePool(NonPagedPool, sizeof(KTIMER)))) { Status = STATUS_INSUFFICIENT_RESOURCES; goto AbortOpenStream; } // // Set a timer to periodically check for expired clock events. // This timer is active only in RUN state and if we are the clock provider. // KeInitializeDpc( pStrmExt->DPCTimer, DVSignalClockEvent, pStrmExt ); KeInitializeTimer( pStrmExt->Timer ); pStrmExt->bTimerEnabled = FALSE; #ifdef SUPPORT_NEW_AVC if(IsEqualGUID (&pOpenFormat->Specifier, &KSDATAFORMAT_SPECIFIER_DV_AVC)) { pAvcConnectInfo = &((KS_DATAFORMAT_DV_AVC *) pOpenFormat)->ConnectInfo; if(DataFlow == KSPIN_DATAFLOW_OUT) { // DV1(that is us) (oPCR) -> DV2 (iPCR) pStrmExt->hOutputPcr = pDevExt->hOPcrDV; // DV1's oPCR pStrmExt->hInputPcr = pAvcConnectInfo->hPlug; // DV2's iPCR TRACE(TL_STRM_WARNING,("\'!!!!! (pStrmExt:%x) DV1 (oPCR:%x) -> DV2 (iPCR:%x) !!!!!\n\n", pStrmExt, pStrmExt->hOutputPcr, pStrmExt->hInputPcr)); } else { // DV1(that is us) (iPCR) <- DV2 (oPCR) pStrmExt->hOutputPcr = pAvcConnectInfo->hPlug; // DV2's oPCR pStrmExt->hInputPcr = pDevExt->hIPcrDV; // DV1's iPCR TRACE(TL_STRM_WARNING,("\'!!!!! (pStrmExt:%x) DV1 (iPCR:%x) <- DV2 (oPCR:%x) !!!!!\n\n", pStrmExt, pStrmExt->hInputPcr, pStrmExt->hOutputPcr)); } pStrmExt->bDV2DVConnect = TRUE; } else { if(DataFlow == KSPIN_DATAFLOW_OUT) { // DV1(that is us) (oPCR) -> PC (iPCR) pStrmExt->hOutputPcr = pDevExt->hOPcrDV; pStrmExt->hInputPcr = 0; // We do not create local iPCR TRACE(TL_STRM_WARNING,("\'!!!!! (pStrmExt:%x) DV (oPCR:%x) -> PC (iPCR:%x) !!!!!\n\n", pStrmExt, pStrmExt->hOutputPcr, pStrmExt->hInputPcr)); } else { // DV1(that is us) (iPCR) <- PC (oPCR) pStrmExt->hOutputPcr = pDevExt->hOPcrPC; pStrmExt->hInputPcr = pDevExt->hIPcrDV; TRACE(TL_STRM_WARNING,("\'!!!!! (pStrmExt:%x) DV (iPCR:%x) <- PC (oPCR:%x) !!!!!\n\n", pStrmExt, pStrmExt->hInputPcr, pStrmExt->hOutputPcr)); } pStrmExt->bDV2DVConnect = FALSE; } #else if(DataFlow == KSPIN_DATAFLOW_OUT) { // DV1(that is us) (oPCR) -> PC (iPCR) pStrmExt->hOutputPcr = pDevExt->hOPcrDV; pStrmExt->hInputPcr = 0; // We do not create local iPCR TRACE(TL_STRM_WARNING,("\'!!!!! (pStrmExt:%x) DV (oPCR:%x) -> PC (iPCR:%x) !!!!!\n\n", pStrmExt, pStrmExt->hOutputPcr, pStrmExt->hInputPcr)); } else { // DV1(that is us) (iPCR) <- PC (oPCR) pStrmExt->hOutputPcr = pDevExt->hOPcrPC; pStrmExt->hInputPcr = pDevExt->hIPcrDV; TRACE(TL_STRM_WARNING,("\'!!!!! (pStrmExt:%x) DV (iPCR:%x) <- PC (oPCR:%x) !!!!!\n\n", pStrmExt, pStrmExt->hInputPcr, pStrmExt->hOutputPcr)); } #endif IoFreeIrp(pIrp); pIrp = NULL; #if DBG // Allocate buffer to keep statistic of transmitted buffers. pStrmExt->paXmtStat = (XMT_FRAME_STAT *) ExAllocatePool(NonPagedPool, sizeof(XMT_FRAME_STAT) * MAX_XMT_FRAMES_TRACED); if(!pStrmExt->paXmtStat) { Status = STATUS_INSUFFICIENT_RESOURCES; goto AbortOpenStream; } pStrmExt->ulStatEntries = 0; #endif // // Pre-allcoate resource (Lists) // if(!NT_SUCCESS( Status = DvAllocatePCResource( DataFlow, pStrmExt ))) { goto AbortOpenStream; } // // Cache it and reference when pDevExt is all we have, // such as BusReset and SurprieseRemoval // pDevExt->idxStreamNumber = idxStreamNumber; // index of current active stream; work only if there is only one active stream at any time. pDevExt->paStrmExt[idxStreamNumber] = pStrmExt; // // In the future, a DV can be unplug and plug back in, // and restore its state if the application is not yet closed. // pDevExt->bDevRemoved = FALSE; // // No one else can open another stream (inout or output) unitil this is release. // This is done to avoid cyclic graph. // pDevExt->cndStrmOpen++; ASSERT(pDevExt->cndStrmOpen == 1); // Only one can be open at any time. TRACE(TL_STRM_WARNING,("\'OpenStream: %d stream open, idx %d, Status %x, pStrmExt %x, pDevExt %x\n", pDevExt->cndStrmOpen, pDevExt->idxStreamNumber, Status, pStrmExt, pDevExt)); TRACE(TL_STRM_WARNING,("\' #OPEN_STREAM#: Status %x, idxStream %d, pDevExt %x, pStrmExt %x\n", Status, idxStreamNumber, pDevExt, pStrmExt)); return Status; AbortOpenStream: if(pIrp) { IoFreeIrp(pIrp); pIrp = NULL; } if(pStrmExt->DataListLock) { ExFreePool(pStrmExt->DataListLock); pStrmExt->DataListLock = NULL; } if(pStrmExt->hStreamMutex) { ExFreePool(pStrmExt->hStreamMutex); pStrmExt->hStreamMutex = NULL; } if(pStrmExt->DPCTimer) { ExFreePool(pStrmExt->DPCTimer); pStrmExt->DPCTimer = NULL; } if(pStrmExt->Timer) { ExFreePool(pStrmExt->Timer); pStrmExt->Timer = NULL; } #if DBG if(pStrmExt->paXmtStat) { ExFreePool(pStrmExt->paXmtStat); pStrmExt->paXmtStat = NULL; } #endif TRACE(TL_STRM_WARNING,("\'#OPEN_STREAM# failed!: Status %x, idxStream %d, pDevExt %x, pStrmExt %x\n", Status, idxStreamNumber, pDevExt, pStrmExt)); return Status; } NTSTATUS DVCloseStream( IN PHW_STREAM_OBJECT pStrmObject, IN PKSDATAFORMAT pOpenFormat, IN PAV_61883_REQUEST pAVReq ) /*++ Routine Description: Called when an CloseStream Srb request is received --*/ { ULONG i; PSTREAMEX pStrmExt; PDVCR_EXTENSION pDevExt; ULONG idxStreamNumber; PAGED_CODE(); pDevExt = (PDVCR_EXTENSION) pStrmObject->HwDeviceExtension; pStrmExt = (PSTREAMEX) pStrmObject->HwStreamExtension; idxStreamNumber = pStrmObject->StreamNumber; TRACE(TL_STRM_WARNING,("\'DVCloseStream: >> pStrmExt %x, pDevExt %x\n", pStrmExt, pDevExt)); // // If the stream isn't open, just return // if(pStrmExt == NULL) { ASSERT(pStrmExt && "CloseStream but pStrmExt is NULL!"); return STATUS_SUCCESS; // ???? } // // If surprise removal, we may get a close stream before surprise is completed. // if( pStrmExt->pAttachFrameThreadObject // If thread is created! && !pStrmExt->bTerminateThread && pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN ) { NTSTATUS StatusWait; TRACE(TL_PNP_WARNING|TL_STRM_WARNING,("\'>>>> CloseStream: Enter WFSO(hStopThreadEvent; lNeedService:%d)\n", pStrmExt->lNeedService)); StatusWait = KeWaitForSingleObject( &pStrmExt->hStopThreadEvent, Executive, KernelMode, FALSE, 0 ); TRACE(TL_PNP_WARNING|TL_STRM_WARNING,("\'<<<< CloseStream: Exit WFSO(hStopThreadEvent; lNeedService:%d)\n", pStrmExt->lNeedService)); } // // Wait until the pending work item is completed. // TRACE(TL_STRM_WARNING,("\'CloseStream: pStrmExt->lCancelStateWorkItem:%d\n", pStrmExt->lCancelStateWorkItem)); KeWaitForSingleObject( &pStrmExt->hCancelDoneEvent, Executive, KernelMode, FALSE, 0 ); // Cancel should have been done when we are in PAUSE state. // But if an application is close, it might not transtioning into PAUSE state. if(pStrmExt->bTimerEnabled) { TRACE(TL_STRM_WARNING,("\'*** (CloseStream) CancelTimer *\n")); KeCancelTimer( pStrmExt->Timer ); pStrmExt->bTimerEnabled = FALSE; } // // If talking or listening (i.e. streaming), stop it! // In case of system shutdown while streaming or application crash // DVStopCancelDisconnect( pStrmExt ); // // Free all allocated PC resoruce // DvFreePCResource( pStrmExt ); ASSERT(pStrmExt->cntDataDetached == 0 && IsListEmpty(&pStrmExt->DataDetachedListHead) && "Detach List not empty!"); ASSERT(pStrmExt->cntDataAttached == 0 && IsListEmpty(&pStrmExt->DataAttachedListHead) && "Attach List not empty!"); ASSERT(pStrmExt->cntSRBQueued == 0 && IsListEmpty(&pStrmExt->SRBQueuedListHead) && "SrbQ List not empty!"); // Terminate the system thread that is used for attaching frame for transmit to DV if( KSPIN_DATAFLOW_IN == pStrmExt->pStrmInfo->DataFlow && !pStrmExt->bTerminateThread && pStrmExt->pAttachFrameThreadObject ) { DVTerminateAttachFrameThread(pStrmExt); pStrmExt->pAttachFrameThreadObject = NULL; TRACE(TL_STRM_WARNING,("** DVCloseStream: thread terminated!\n")); } #if DBG // Print this only if the debug flag is set. if(pStrmExt->paXmtStat) { if(DVDebugXmt) { TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("Data transmission statistics: (%s %s); (Pause:%d; Run:%d); hMasterClk:%x; hClock:%x\n\n", __DATE__, __TIME__, pStrmExt->lFramesAccumulatedPaused, pStrmExt->lFramesAccumulatedRun, pStrmExt->hMasterClock, pStrmExt->hClock)); TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("ST \tSrbRcv \tSrbQ \tSrbPend \tAttached \tSlot \ttmStream \tDrop \tSrb# \tFlags \ttmPres \tSCnt \tCyCnt \tCyOfst\n")); for(i=0; i < pStrmExt->ulStatEntries; i++) { TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("%d \t%d \t%d \t%d \t%d \t%d \t%d \t%d \t%d \t%x \t%d \t%d \t%d \t%d\n", pStrmExt->paXmtStat[i].StreamState, pStrmExt->paXmtStat[i].cntSRBReceived, pStrmExt->paXmtStat[i].cntSRBQueued, pStrmExt->paXmtStat[i].cntSRBPending, pStrmExt->paXmtStat[i].cntDataAttached, (DWORD) pStrmExt->paXmtStat[i].FrameSlot, (DWORD) pStrmExt->paXmtStat[i].tmStreamTime, // /10000, pStrmExt->paXmtStat[i].DropCount, pStrmExt->paXmtStat[i].FrameNumber, (DWORD) pStrmExt->paXmtStat[i].OptionsFlags, (DWORD) pStrmExt->paXmtStat[i].tmPresentation, // /10000, pStrmExt->paXmtStat[i].tsTransmitted.CL_SecondCount, pStrmExt->paXmtStat[i].tsTransmitted.CL_CycleCount, pStrmExt->paXmtStat[i].tsTransmitted.CL_CycleOffset )); } } ExFreePool(pStrmExt->paXmtStat); pStrmExt->paXmtStat = NULL; } #endif // // Find the matching stream extension and invalidate it. // for (i=0; ipaStrmExt[i]) { ASSERT(!pDevExt->paStrmExt[i]->bAbortPending && "Cannot close a stream when abort is pending"); pDevExt->paStrmExt[i] = NULL; break; } } // Release this count so other can open. pDevExt->cndStrmOpen--; ASSERT(pDevExt->cndStrmOpen == 0); TRACE(TL_STRM_WARNING,("\'DVCloseStream: %d stream; AQD [%d:%d:%d]\n", pDevExt->cndStrmOpen, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached )); #if DBG ASSERT(pStrmExt->DataListLockSave == pStrmExt->DataListLock); #endif if(pStrmExt->DataListLock) { ExFreePool(pStrmExt->DataListLock); pStrmExt->DataListLock = NULL; } if(pStrmExt->hStreamMutex) { ExFreePool(pStrmExt->hStreamMutex); pStrmExt->hStreamMutex = NULL; } if(pStrmExt->DPCTimer) { ExFreePool(pStrmExt->DPCTimer); pStrmExt->DPCTimer = NULL; } if(pStrmExt->Timer) { ExFreePool(pStrmExt->Timer); pStrmExt->Timer = NULL; } // // Done with stream extention. Will be invalid from this point on. // #if 0 RtlZeroMemory(pStrmExt, sizeof(STREAMEX)); #endif return STATUS_SUCCESS; } NTSTATUS DVChangePower( PDVCR_EXTENSION pDevExt, PAV_61883_REQUEST pAVReq, DEVICE_POWER_STATE NewPowerState ) /*++ Routine Description: Process changing this device's power state. --*/ { ULONG i; NTSTATUS Status; PAGED_CODE(); // // D0: Device is on and can be streaming. // D1,D2: not supported. // D3: Device is off and can not streaming. The context is lost. // Power can be removed from the device. // When power is back on, we will get a bus reset. // TRACE(TL_PNP_WARNING,("\'PowrSt: %d->%d; (d0:[1:On],D3[4:off])\n", pDevExt->PowerState, NewPowerState)); Status = STATUS_SUCCESS; if(pDevExt->PowerState == NewPowerState) { TRACE(TL_PNP_WARNING,("\'ChangePower: same power state!\n")); return STATUS_SUCCESS; } switch (NewPowerState) { case PowerDeviceD3: // Power OFF // We are at D0 and ask to go to D3: save state, stop streaming and Sleep if( pDevExt->PowerState == PowerDeviceD0) { pDevExt->PowerState = NewPowerState; // For a supported power state change for (i=0; ipaStrmExt[i]) { TRACE(TL_PNP_WARNING,("\'D0->D3 (PowerOff), pStrmExt:%x; StrmSt:%d; IsochActive:%d; SrbQ:%d\n", pDevExt->paStrmExt[i], pDevExt->paStrmExt[i]->StreamState, pDevExt->paStrmExt[i]->bIsochIsActive, pDevExt->paStrmExt[i]->cntSRBQueued)); // // Halt attach frame thread if it is an input pin // if( pDevExt->paStrmExt[i]->pAttachFrameThreadObject // If thread is created! && !pDevExt->paStrmExt[i]->bTerminateThread // Not terminated abnormally && pDevExt->paStrmExt[i]->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN ) { NTSTATUS StatusWait; #if 1 // Will be set in the thread attaching thread. KeClearEvent(&pDevExt->paStrmExt[i]->hStopThreadEvent); #endif InterlockedIncrement(&pDevExt->paStrmExt[i]->lNeedService); // Need thread to stop for other service. // In case the attach frame thread is idle! (no data to attach!) KeSetEvent(&pDevExt->paStrmExt[i]->hSrbArriveEvent, 0 ,FALSE); #ifdef SUPPORT_PREROLL_AT_RUN_STATE KeSetEvent(&pDevExt->paStrmExt[i]->hPreRollEvent, 0 ,FALSE); #endif TRACE(TL_PNP_WARNING,("\'>>>> DVChangePower: Enter WFSO(hStopThreadEvent; lNeedService:%d)\n", pDevExt->paStrmExt[i]->lNeedService)); StatusWait = KeWaitForSingleObject( &pDevExt->paStrmExt[i]->hStopThreadEvent, // Signal when thread has stopped. Executive, KernelMode, FALSE, 0 ); TRACE(TL_PNP_WARNING,("\'<<<< DVChangePower: Exit WFSO(hStopThreadEvent; lNeedService:%d)\n", pDevExt->paStrmExt[i]->lNeedService)); } if(pDevExt->paStrmExt[i]->bIsochIsActive) { // Stop isoch but do not change the streaming state TRACE(TL_PNP_WARNING,("\'ChangePower: Stop isoche; StrmSt:%d\n", pDevExt->paStrmExt[i]->StreamState)); DVStreamingStop( pDevExt->paStrmExt[i], pDevExt, pAVReq ) ; } // Complete all the pending events so that the downstream // filter (Video render) can release this buffer from AdviseTime() event. // However, not sure why this is necessary since the lower filter // will get a PAUSE() or STOP() from the filter manager. In such DVSignalClockEvent(0, pDevExt->paStrmExt[i], 0, 0); } } } else { TRACE(TL_PNP_WARNING,("\'ChangePower: unsupported %d -> %d; (do nothing!).\n", pDevExt->PowerState, DevicePowerState)); } break; case PowerDeviceD0: // Powering ON (waking up) if( pDevExt->PowerState == PowerDeviceD3) { // Set PowerState change and then Signal PowerOn event pDevExt->PowerState = NewPowerState; // For a supported power state change for (i=0; ipaStrmExt[i]) { TRACE(TL_PNP_WARNING,("\'D3->D0 (PowerOn), pStrmExt:%x; StrmSt:%d; IsochActive:%d; SrbQ:%d\n", pDevExt->paStrmExt[i], pDevExt->paStrmExt[i]->StreamState, pDevExt->paStrmExt[i]->bIsochIsActive, pDevExt->paStrmExt[i]->cntSRBQueued)); if(!pDevExt->paStrmExt[i]->bIsochIsActive) { TRACE(TL_PNP_WARNING,("\'ChangePower: StrmSt:%d; Start isoch\n", pDevExt->paStrmExt[i]->StreamState)); // Start isoch depending on streaming state for DATAFLOW_IN/OUT if(pDevExt->paStrmExt[i]->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN) { if(pDevExt->paStrmExt[i]->StreamState == KSSTATE_PAUSE || pDevExt->paStrmExt[i]->StreamState == KSSTATE_RUN) { DVStreamingStart( pDevExt->paStrmExt[i]->pStrmInfo->DataFlow, pDevExt->paStrmExt[i], pDevExt ) ; } } else if(pDevExt->paStrmExt[i]->pStrmInfo->DataFlow == KSPIN_DATAFLOW_OUT) { if(pDevExt->paStrmExt[i]->StreamState == KSSTATE_RUN) { DVStreamingStart( pDevExt->paStrmExt[i]->pStrmInfo->DataFlow, pDevExt->paStrmExt[i], pDevExt ) ; } } } // IsochActive #if 1 // Clear any buffer queued in the downstream. // Complete all the pending events so that the downstream // filter (Video render) can release this buffer from AdviseTime() event. // However, not sure why this is necessary since the lower filter // will get a PAUSE() or STOP() from the filter manager. In such DVSignalClockEvent(0, pDevExt->paStrmExt[i], 0, 0); #endif // // Resume attaching frame operation // if( pDevExt->paStrmExt[i]->pAttachFrameThreadObject // If thread is created! && !pDevExt->paStrmExt[i]->bTerminateThread // Not terminated abnormally && pDevExt->paStrmExt[i]->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN ) { KeSetEvent(&pDevExt->paStrmExt[i]->hRunThreadEvent, 0 ,FALSE); } } } } else { TRACE(TL_PNP_WARNING,("\'ChangePower: supported %d -> %d; (do nothing!).\n", pDevExt->PowerState, DevicePowerState)); } break; // These state are not supported. case PowerDeviceD1: case PowerDeviceD2: default: TRACE(TL_PNP_WARNING,("\'ChangePower: unsupported %d to %d (do nothing).\n", pDevExt->PowerState, DevicePowerState)); Status = STATUS_SUCCESS; // STATUS_INVALID_PARAMETER; break; } if(Status == STATUS_SUCCESS) pDevExt->PowerState = NewPowerState; else Status = STATUS_NOT_IMPLEMENTED; TRACE(TL_PNP_WARNING,("\'DVChangePower: Exiting; Status:%x\n", Status)); return STATUS_SUCCESS; } NTSTATUS DVSurpriseRemoval( PDVCR_EXTENSION pDevExt, PAV_61883_REQUEST pAVReq ) /*++ Routine Description: Response to SRB_SURPRISE_REMOVAL. --*/ { ULONG i; KIRQL oldIrql; PKSEVENT_ENTRY pEvent = NULL; PAGED_CODE(); // // ONLY place this flag is set to TRUE. // Block incoming read although there might still in the process of being attached // KeAcquireSpinLock(&pDevExt->AVCCmdLock, &oldIrql); pDevExt->bDevRemoved = TRUE; KeReleaseSpinLock(&pDevExt->AVCCmdLock, oldIrql); // // Now Stop the stream and clean up // for(i=0; i < DV_STREAM_COUNT; i++) { if(pDevExt->paStrmExt[i] != NULL) { TRACE(TL_PNP_WARNING,("\' #SURPRISE_REMOVAL# StrmNum %d, pStrmExt %x, Attached %d\n", i, pDevExt->paStrmExt[i], pDevExt->paStrmExt[i]->cntDataAttached)); // Signal this event so SRB can complete. if(pDevExt->paStrmExt[i]->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN ) { // // Imply EOStream! so the data source will stop sending us data. // KeAcquireSpinLock( pDevExt->paStrmExt[i]->DataListLock, &oldIrql); if(!pDevExt->paStrmExt[i]->bEOStream) pDevExt->paStrmExt[i]->bEOStream = TRUE; // // Signal EOStream // StreamClassStreamNotification( SignalMultipleStreamEvents, pDevExt->paStrmExt[i]->pStrmObject, (GUID *)&KSEVENTSETID_Connection_Local, KSEVENT_CONNECTION_ENDOFSTREAM ); TRACE(TL_PNP_WARNING,("\'Signal KSEVENT_CONNECTION_ENDOFSTREAM\n")); // // Stop the attaching frame thread // if( pDevExt->paStrmExt[i]->pAttachFrameThreadObject // If thread is created! && !pDevExt->paStrmExt[i]->bTerminateThread ) { NTSTATUS StatusWait; #if 1 // Will be set in the thread attaching thread. KeClearEvent(&pDevExt->paStrmExt[i]->hStopThreadEvent); #endif InterlockedIncrement(&pDevExt->paStrmExt[i]->lNeedService); // Request count // In case the attach frame thread is idle! (no data to attach!) KeSetEvent(&pDevExt->paStrmExt[i]->hSrbArriveEvent, 0 ,FALSE); #ifdef SUPPORT_PREROLL_AT_RUN_STATE KeSetEvent(&pDevExt->paStrmExt[i]->hPreRollEvent, 0 ,FALSE); #endif KeReleaseSpinLock( pDevExt->paStrmExt[i]->DataListLock, oldIrql); TRACE(TL_PNP_WARNING,("\'>>>> DVSurpriseRemoval: Enter WFSO(hStopThreadEvent; lNeedService:%d)\n", pDevExt->paStrmExt[i]->lNeedService)); StatusWait = KeWaitForSingleObject( &pDevExt->paStrmExt[i]->hStopThreadEvent, // Signal when thread has stopped. Executive, KernelMode, FALSE, 0 ); TRACE(TL_PNP_WARNING,("\'<<<< DVSurpriseRemoval: Exit WFSO(hStopThreadEvent; lNeedService:%d)\n", pDevExt->paStrmExt[i]->lNeedService)); // // Note: // Terminate AttachFraameThread: KeSetEvent(&pDevExt->hRunThreadEvent, 0 ,FALSE) // } else { KeReleaseSpinLock( pDevExt->paStrmExt[i]->DataListLock, oldIrql); } } // // Abort stream; stop and cancel pending data request // TRACE(TL_PNP_WARNING,("\'DVSurpriseRemoval: AbortStream enter...\n")); if(!DVAbortStream(pDevExt, pDevExt->paStrmExt[i])) { TRACE(TL_PNP_ERROR,("\'DVSurpriseRemoval: AbortStream failed\n")); } // // Adter surprise removal, all call to lower stack will be returned // with error. Let's disconnect if it is connected. // // // Disable the timer // if(pDevExt->paStrmExt[i]->bTimerEnabled) { KeCancelTimer( pDevExt->paStrmExt[i]->Timer ); pDevExt->paStrmExt[i]->bTimerEnabled = FALSE; } // // Wait until the pending work item is completed. // TRACE(TL_PNP_WARNING,("\'SupriseRemoval: Wait for CancelDoneEvent ; lCancelStateWorkItem:%d\n", pDevExt->paStrmExt[i]->lCancelStateWorkItem)); KeWaitForSingleObject( &pDevExt->paStrmExt[i]->hCancelDoneEvent, Executive, KernelMode, FALSE, 0 ); TRACE(TL_PNP_WARNING,("\'SupriseRemoval: Wait for CancelDoneEvent ...\n")); } } // Signal KSEvent that device is removed. // After this SRb, there will be no more Set/Get property Srb into this driver. // By notifying the COM I/F, it will wither signal application that device is removed and // return ERROR_DEVICE_REMOVED error code for subsequent calls. // There might be multiple instances/threads of IAMExtTransport instance with the same KS event. // There is only one device so they all enabled event are singalled. do { if(pEvent = StreamClassGetNextEvent((PVOID) pDevExt, 0, \ (GUID *)&KSEVENTSETID_EXTDEV_Command, KSEVENT_EXTDEV_NOTIFY_REMOVAL, pEvent)) { // Make sure the right event and then signal it if(pEvent->EventItem->EventId == KSEVENT_EXTDEV_NOTIFY_REMOVAL) { StreamClassDeviceNotification(SignalDeviceEvent, pDevExt, pEvent); TRACE(TL_PNP_WARNING,("\'->Signal NOTIFY_REMOVAL; pEvent:%x, EventId %d.\n", pEvent, pEvent->EventItem->EventId)); } } } while (pEvent != NULL); // // Since we may not get the busreset, let's go ahead and cancel all pending device control // DVAVCCmdResetAfterBusReset(pDevExt); #ifdef NT51_61883 // // Delete plug; 61883 will not accept 61883 request after surprise removal is processed. // if(pDevExt->hOPcrPC) { // Do not care about return status since we are being unloaded. DVDeleteLocalPlug( pDevExt, pDevExt->hOPcrPC ); pDevExt->hOPcrPC = NULL; } #endif TRACE(TL_PNP_WARNING,("\'SurpriseRemoval exiting.\n")); return STATUS_SUCCESS; } // Return code is basically return in pSrb->Status. NTSTATUS DVProcessPnPBusReset( PDVCR_EXTENSION pDevExt ) /*++ Routine Description: Process a bus reset. Arguments: Srb - Pointer to stream request block Return Value: Nothing --*/ { #ifdef MSDVDV_SUPPORT_BUSRESET_EVENT PKSEVENT_ENTRY pEvent; #endif PAGED_CODE(); TRACE(TL_PNP_WARNING,("\'DVProcessPnPBusReset: >>\n")); #ifdef MSDVDV_SUPPORT_BUSRESET_EVENT // // Signal (if enabled) busreset event to let upper layer know that a busreset has occurred. // pEvent = NULL; pEvent = StreamClassGetNextEvent( (PVOID) pDevExt, 0, (GUID *)&KSEVENTSETID_EXTDEV_Command, KSEVENT_EXTDEV_COMMAND_BUSRESET, pEvent ); if(pEvent) { // // signal the event here // if(pEvent->EventItem->EventId == KSEVENT_EXTDEV_COMMAND_BUSRESET) { StreamClassDeviceNotification( SignalDeviceEvent, pDevExt, pEvent ); TRACE(TL_PNP_WARNING,("\'DVProcessPnPBusReset: Signal BUSRESET; EventId %d.\n", pEvent->EventItem->EventId)); } } #endif // // Reset pending count and AVC command that is in Interim // DVAVCCmdResetAfterBusReset(pDevExt); // // Can we return anything other than SUCCESS ? // return STATUS_SUCCESS; } NTSTATUS DVUninitializeDevice( IN PDVCR_EXTENSION pDevExt ) /*++ Routine Description: This where we perform the necessary initialization tasks. Arguments: Srb - Pointer to stream request block ' Return Value: Nothing --*/ { PAGED_CODE(); TRACE(TL_PNP_WARNING,("\'DVUnInitialize: enter with DeviceExtension=0x%8x\n", pDevExt)); // // Clear all pending AVC command entries. // DVAVCCmdResetAfterBusReset(pDevExt); // Free stream information allocated if(pDevExt->paCurrentStrmInfo) { ExFreePool(pDevExt->paCurrentStrmInfo); pDevExt->paCurrentStrmInfo = NULL; } #ifdef NT51_61883 if(pDevExt->hOPcrPC) { // Do not care about return status since we are being unloaded. DVDeleteLocalPlug( pDevExt, pDevExt->hOPcrPC ); pDevExt->hOPcrPC = NULL; } #endif TRACE(TL_PNP_WARNING,("\'DVUnInitialize: Rest of allocated resources freed.\n")); return STATUS_SUCCESS; } //***************************************************************************** //***************************************************************************** // S T R E A M S R B //***************************************************************************** //***************************************************************************** NTSTATUS DVGetStreamState( PSTREAMEX pStrmExt, PKSSTATE pStreamState, PULONG pulActualBytesTransferred ) /*++ Routine Description: Gets the current state of the requested stream --*/ { PAGED_CODE(); if(!pStrmExt) { TRACE(TL_STRM_ERROR,("\'GetStreamState: pStrmExt is NULL; STATUS_UNSUCCESSFUL\n")); return STATUS_UNSUCCESSFUL; } *pStreamState = pStrmExt->StreamState; *pulActualBytesTransferred = sizeof (KSSTATE); TRACE(TL_STRM_TRACE,("\'GetStreamState: %d (was %d)\n", pStrmExt->StreamState, pStrmExt->StreamStatePrevious)); if(pStrmExt->StreamState == KSSTATE_PAUSE) { // One way to preroll is to delay when querying getting into the PAUSE state. // However, this routine is never executed! So we move this section of code // to the thread. #ifdef SUPPORT_PREROLL_AT_RUN_STATE if( pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN && pStrmExt->hMasterClock && pStrmExt->CurrentStreamTime == 0 ) { // Simulate preroll at the RUN state // We do this only when we are the clock provider to avoid dropping frame #define PREROLL_WAITTIME 2000000 NTSTATUS StatusWait; LARGE_INTEGER DueTime; DueTime = RtlConvertLongToLargeInteger(-((LONG) PREROLL_WAITTIME)); StatusWait = // Can only return STATUS_SUCCESS (signal) or STATUS_TIMEOUT KeWaitForSingleObject( &pStrmExt->hPreRollEvent, Executive, KernelMode, // Cannot return STATUS_USER_APC FALSE, // Cannot be alerted STATUS_ALERTED &DueTime ); TRACE(TL_STRM_WARNING,("\'GetState: *Preroll*, waited %d msec; waitStatus:%x; srbRcved:%d\n", (DWORD) ((GetSystemTime() - pStrmExt->tmStreamPause)/10000), StatusWait, (DWORD) pStrmExt->cntSRBReceived)); } #endif // A very odd rule: // When transitioning from stop to pause (and run->pause), DShow tries to preroll // the graph. Capture sources can't preroll (there is no data until // capture begin/run state), and indicate this by returning // VFW_S_CANT_CUE (Map by KsProxy) in user mode. To indicate this // condition from drivers, they must return ERROR_NO_DATA_DETECTED if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_OUT) return STATUS_NO_DATA_DETECTED; else return STATUS_SUCCESS; } else return STATUS_SUCCESS; } NTSTATUS DVStreamingStop( PSTREAMEX pStrmExt, PDVCR_EXTENSION pDevExt, PAV_61883_REQUEST pAVReq ) /*++ Routine Description: Transitioning from any state to ->STOP state. Stops the video stream and cleans up all the descriptors; ++*/ { NTSTATUS Status = STATUS_SUCCESS; PIRP pIrp; KIRQL oldIrql; PAGED_CODE(); #ifdef SUPPORT_NEW_AVC // No need to do CIP if it is device to device connection if(pStrmExt->bDV2DVConnect) { if(pStrmExt->bIsochIsActive) pStrmExt->bIsochIsActive = FALSE; return STATUS_SUCCESS; } #endif // // Stop isoch listen or talk // Note: streaming and stream state can be separate; e.g. SURPRISE_REMOVAL, // we will stop stream but stream state does note get changed by this SRB. // if(pStrmExt->bIsochIsActive && pStrmExt->hConnect) { if(!(pIrp = IoAllocateIrp(pDevExt->pBusDeviceObject->StackSize, FALSE))) return STATUS_INSUFFICIENT_RESOURCES; RtlZeroMemory(pAVReq, sizeof(AV_61883_REQUEST)); INIT_61883_HEADER(pAVReq, Av61883_Stop); pAVReq->Stop.hConnect = pStrmExt->hConnect; if(!NT_SUCCESS( Status = DVSubmitIrpSynch( pDevExt, pIrp, pAVReq ))) { TRACE(TL_61883_ERROR|TL_STRM_ERROR,("\'Av61883_Stop Failed; Status:%x\n", Status)); #if 1 KeAcquireSpinLock(pStrmExt->DataListLock, &oldIrql); pStrmExt->bIsochIsActive = FALSE; // Set it. If this fail, it is a lower stack problem! KeReleaseSpinLock(pStrmExt->DataListLock, oldIrql); ASSERT(NT_SUCCESS(Status) && "Av61883_Stop failed!"); Status = STATUS_SUCCESS; #endif } else { KeAcquireSpinLock(pStrmExt->DataListLock, &oldIrql); pStrmExt->bIsochIsActive = FALSE; KeReleaseSpinLock(pStrmExt->DataListLock, oldIrql); } IoFreeIrp(pIrp); TRACE(TL_STRM_WARNING,("\'StreamingSTOPped; AQD [%d:%d:%d]\n", pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached )); } return Status; } NTSTATUS DVStreamingStart( KSPIN_DATAFLOW ulDataFlow, PSTREAMEX pStrmExt, PDVCR_EXTENSION pDevExt ) /*++ Routine Description: Tell device to start streaming. ++*/ { PIRP pIrp; NTSTATUS Status; PAV_61883_REQUEST pAVReq; #if DBG ULONGLONG tmStart = GetSystemTime(); #endif PAGED_CODE(); #ifdef SUPPORT_NEW_AVC // No need to do CIP if it is device to device connection if(pStrmExt->bDV2DVConnect) { if(!pStrmExt->bIsochIsActive) pStrmExt->bIsochIsActive = TRUE; return STATUS_SUCCESS; } #endif // NOTE: MUTEX is not needed since we are not staring isoch while attaching data. // This call is not reentry!! // Since it take time to activate isoch transfer, // this sychronous function might get call again. // Need to start streaming only once. if(InterlockedExchange(&pStrmExt->lStartIsochToken, 1) == 1) { TRACE(TL_STRM_WARNING,("\'lStartIsochToken taken already; return STATUS_SUCCESS\n")); return STATUS_SUCCESS; } #if DBG // Can stream only if in power on state. if(pDevExt->PowerState != PowerDeviceD0) { TRACE(TL_STRM_ERROR,("\'StreamingStart: PowerSt:%d; StrmSt:%d\n", pDevExt->PowerState, pStrmExt->StreamState)); ASSERT(pDevExt->PowerState == PowerDeviceD0 && "Power state must be ON to start streaming!"); } #endif if(pStrmExt->bIsochIsActive) { TRACE(TL_STRM_WARNING,("\nIsoch already active!\n")); InterlockedExchange(&pStrmExt->lStartIsochToken, 0); return STATUS_SUCCESS; } else if(!pStrmExt->hConnect) { TRACE(TL_STRM_WARNING,("hConnect=0, Cannot start isoch!\n")); InterlockedExchange(&pStrmExt->lStartIsochToken, 0); return STATUS_INVALID_PARAMETER; } else { if(!(pAVReq = (AV_61883_REQUEST *) ExAllocatePool(NonPagedPool, sizeof(AV_61883_REQUEST)))) { InterlockedExchange(&pStrmExt->lStartIsochToken, 0); return STATUS_INSUFFICIENT_RESOURCES; } if(!(pIrp = IoAllocateIrp(pDevExt->pBusDeviceObject->StackSize, FALSE))) { InterlockedExchange(&pStrmExt->lStartIsochToken, 0); ExFreePool(pAVReq); pAVReq = NULL; return STATUS_INSUFFICIENT_RESOURCES; } RtlZeroMemory(pAVReq, sizeof(AV_61883_REQUEST)); if(ulDataFlow == KSPIN_DATAFLOW_OUT) { INIT_61883_HEADER(pAVReq, Av61883_Listen); pAVReq->Listen.hConnect = pStrmExt->hConnect; } else { INIT_61883_HEADER(pAVReq, Av61883_Talk); pAVReq->Talk.hConnect = pStrmExt->hConnect; } TRACE(TL_STRM_WARNING,("\'StreamingSTART; flow %d; AQD [%d:%d:%d]\n", ulDataFlow, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached )); if(NT_SUCCESS( Status = DVSubmitIrpSynch( pDevExt, pIrp, pAVReq ))) { pStrmExt->bIsochIsActive = TRUE; TRACE(TL_STRM_WARNING,("\'Av61883_%s; Status %x; Streaming...; took:%d (msec)\n", (ulDataFlow == KSPIN_DATAFLOW_OUT ? "Listen" : "Talk"), Status, (DWORD) ((GetSystemTime() - tmStart)/10000) )); } else { TRACE(TL_61883_ERROR|TL_STRM_ERROR,("Av61883_%s; failed %x; pAVReq:%x\n", (ulDataFlow == KSPIN_DATAFLOW_OUT ? "Listen" : "Talk"), Status, pAVReq)); // ASSERT(NT_SUCCESS(Status) && "Start isoch failed!"); } ExFreePool(pAVReq); pAVReq = NULL; IoFreeIrp(pIrp); pIrp = NULL; } InterlockedExchange(&pStrmExt->lStartIsochToken, 0); return Status; } NTSTATUS DVSetStreamState( PSTREAMEX pStrmExt, PDVCR_EXTENSION pDevExt, PAV_61883_REQUEST pAVReq, KSSTATE StreamState ) /*++ Routine Description: Set to a new stream state. --*/ { NTSTATUS Status = STATUS_SUCCESS; PAGED_CODE(); if(!pStrmExt) return STATUS_UNSUCCESSFUL; TRACE(TL_STRM_WARNING,("\'** (%x) Set StrmST from %d to %d; PowerSt:%d (1/On;4/Off]); SrbRcved:%d\n", pStrmExt, pStrmExt->StreamState, StreamState, pDevExt->PowerState, (DWORD) pStrmExt->cntSRBReceived )); #if DBG if(StreamState == KSSTATE_RUN) { ASSERT(pDevExt->PowerState == PowerDeviceD0 && "Cannot set to RUN while power is off!"); } #endif switch(StreamState) { case KSSTATE_STOP: if(pStrmExt->StreamState != KSSTATE_STOP) { KeWaitForSingleObject( pStrmExt->hStreamMutex, Executive, KernelMode, FALSE, 0 ); // Once this is set, data stream will reject SRB_WRITE/READ_DATA pStrmExt->StreamStatePrevious = pStrmExt->StreamState; // Cache previous stream state. pStrmExt->StreamState = KSSTATE_STOP; // If stop, must be EOStream; but not vice versa. if(!pStrmExt->bEOStream) { pStrmExt->bEOStream = TRUE; } // Stop the IOThread from processing if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN) { KeClearEvent(&pStrmExt->hSrbArriveEvent); #ifdef SUPPORT_PREROLL_AT_RUN_STATE KeClearEvent(&pStrmExt->hPreRollEvent); #endif } KeReleaseMutex(pStrmExt->hStreamMutex, FALSE); // // If there is a cancel event, we must wait for it to complete. // TRACE(TL_STRM_WARNING,("\'KSSTATE_STOP: pStrmExt->lCancelStateWorkItem:%d\n", pStrmExt->lCancelStateWorkItem)); KeWaitForSingleObject( &pStrmExt->hCancelDoneEvent, Executive, KernelMode, FALSE, 0 ); ASSERT(pStrmExt->lCancelStateWorkItem == 0 && "KSSTATE_STOP while there is an active CancelStateWorkItem"); // // Stop stream, cacel data requests, terminate thread and disconnect. // This routine must suceeded in setting to STOP state // if(!NT_SUCCESS( Status = DVStopCancelDisconnect( pStrmExt ))) { Status = STATUS_SUCCESS; // Cannot fail setting to stop state. } } break; case KSSTATE_ACQUIRE: // // This is a KS only state, that has no correspondence in DirectShow // It is our opportunity to allcoate resoruce (isoch bandwidth and program PCR (make connection)). // if(pStrmExt->StreamState == KSSTATE_STOP) { // // Create a dispatch thread to attach frame to transmit to DV // This is create the first time transitioning from STOP->ACQUIRE state // if( KSPIN_DATAFLOW_IN == pStrmExt->pStrmInfo->DataFlow && pStrmExt->pAttachFrameThreadObject == NULL ) { // // Create a system thread for attaching data (for transmiut to DV only). // if(!NT_SUCCESS( Status = DVCreateAttachFrameThread( pStrmExt ))) { // Note that intially hConnect is NULL. break; // Cannot attach frame without this thread. } } // // Make connection // Status = DVConnect( pStrmExt->pStrmInfo->DataFlow, pDevExt, pStrmExt, pAVReq ); if(!NT_SUCCESS(Status)) { TRACE(TL_STRM_ERROR,("\'Acquire failed; ST %x\n", Status)); // ASSERT(NT_SUCCESS(Status)); // // Change to generic insufficient resource status. // Status = STATUS_INSUFFICIENT_RESOURCES; // // Note: even setting to this state failed, KSSTATE_PAUSE will still be called; // Since hConnect is NULL, STATUS_INSUFFICIENT_RESOURCES will be returned. // } else { // // Verify connection by query the plug state // DVGetPlugState( pDevExt, pStrmExt, pAVReq ); } } break; case KSSTATE_PAUSE: if(pStrmExt->StreamState == KSSTATE_ACQUIRE || pStrmExt->StreamState == KSSTATE_STOP) { #ifdef SUPPORT_NEW_AVC if(!pStrmExt->bDV2DVConnect && pStrmExt->hConnect == NULL) { #else if(pStrmExt->hConnect == NULL) { #endif TRACE(TL_STRM_ERROR,("\'hConnect is NULL; STATUS_INSUFFICIENT_RESOURCES\n")); // Cannot stream without connection! Status = STATUS_INSUFFICIENT_RESOURCES; break; } // // Reset when transition from STOP to PAUSE state // // The system time (1394 CycleTime) will continue while setting // from RUN to PAUSE state. pStrmExt->b1stNewFrameFromPauseState = TRUE; #ifdef SUPPORT_QUALITY_CONTROL // +: late; -: early pStrmExt->KSQuality.DeltaTime = 0; // On time // Percentage * 10 of frame transmitted pStrmExt->KSQuality.Proportion = 1000; // 100% sent pStrmExt->KSQuality.Context = /* NOT USED */ 0; #endif pStrmExt->CurrentStreamTime = 0; pStrmExt->FramesProcessed = 0; pStrmExt->PictureNumber = 0; pStrmExt->FramesDropped = 0; pStrmExt->cntSRBReceived = 0; pStrmExt->cntSRBCancelled = 0; // number of SRB_READ/WRITE_DATA cancelled pStrmExt->bEOStream = FALSE; #if DBG // // Initialize the debug log structure. // if(pStrmExt->paXmtStat) { pStrmExt->ulStatEntries = 0; pStrmExt->lFramesAccumulatedPaused = 0; pStrmExt->lFramesAccumulatedRun = 0; RtlZeroMemory(pStrmExt->paXmtStat, sizeof(XMT_FRAME_STAT) * MAX_XMT_FRAMES_TRACED); } #endif // // Reset this event in case graph is restarted. // This evant will wait for enough buffers before start attaching frame for transmit // if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN) { KeClearEvent(&pStrmExt->hSrbArriveEvent); #ifdef SUPPORT_PREROLL_AT_RUN_STATE KeClearEvent(&pStrmExt->hPreRollEvent); #if DBG pStrmExt->tmStreamPause = GetSystemTime(); #endif #ifdef SUPPORT_KSPROXY_PREROLL_CHANGE pStrmExt->StreamStatePrevious = pStrmExt->StreamState; // Cache previous stream state. pStrmExt->StreamState = StreamState; #ifdef SUPPORT_NEW_AVC if(pStrmExt->bDV2DVConnect) return STATUS_SUCCESS; else { #endif // SUPPORT_NEW_AVC TRACE(TL_STRM_WARNING,("\'Set to KSSTATE_PAUSE; return STATUS_ALERTED\n")); // We want to preroll. return STATUS_ALERTED; #ifdef SUPPORT_NEW_AVC } #endif // SUPPORT_NEW_AVC #endif // SUPPORT_KSPROXY_PREROLL_CHANGE #endif // SUPPORT_PREROLL_AT_RUN_STATE } } else if (pStrmExt->StreamState == KSSTATE_RUN) { // The system time (1394 CycleTime) will continue while setting // from RUN to PAUSE state. pStrmExt->b1stNewFrameFromPauseState = TRUE; // // Stop only if listening; for talking, the "pause" frame will be repeated // if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_OUT) { // stop the stream internally inside 1394 stack DVStreamingStop( pStrmExt, pDevExt, pAVReq ); } else { // Talk will continue. // Do not stop isoch talk until stop state. } // // StreamTime pauses, so pause checking for expired clock events. // Resume if we enter RUN state again. // if(pStrmExt->bTimerEnabled) { TRACE(TL_STRM_TRACE,("\'*** (RUN->PAUSE) CancelTimer *********************************************...\n")); KeCancelTimer( pStrmExt->Timer ); pStrmExt->bTimerEnabled = FALSE; // // Complete any pending clock events // DVSignalClockEvent(0, pStrmExt, 0, 0); } } break; case KSSTATE_RUN: if(pStrmExt->StreamState != KSSTATE_RUN) { TRACE(TL_STRM_WARNING,("\'*RUN: hClock %x; hMasterClk %x; cntAttached:%d; StrmTm:%d\n", pStrmExt->hClock, pStrmExt->hMasterClock, pStrmExt->cntDataAttached, (DWORD) (pStrmExt->CurrentStreamTime/10000) )); #if DBG if(!pStrmExt->hMasterClock && !pStrmExt->hClock) TRACE(TL_STRM_WARNING,("\'KSSTATE_RUN: no clock so free flowing!\n")); #endif // Use to mark the tick count when the stream start running. // It is later used to calculate current stream time and dropped frames. pStrmExt->tmStreamStart = GetSystemTime(); pStrmExt->LastSystemTime = pStrmExt->tmStreamStart; // We start the timer to signal clock event only if we are the clock provider. // The interval is set to half of a DV frame time. if(pStrmExt->hMasterClock) { LARGE_INTEGER DueTime; DueTime = RtlConvertLongToLargeInteger(-((LONG) DVFormatInfoTable[pDevExt->VideoFormatIndex].ulAvgTimePerFrame/2)); TRACE(TL_STRM_WARNING,("\'*** ScheduleTimer (RUN) ***\n")); KeSetTimerEx( pStrmExt->Timer, DueTime, DVFormatInfoTable[pDevExt->VideoFormatIndex].ulAvgTimePerFrame/20000, // Repeat every 40 MilliSecond pStrmExt->DPCTimer ); pStrmExt->bTimerEnabled = TRUE; } if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_OUT) { // Start isoch listen; isoch talk will be start in the dispatch thread in either PAUSE or RUN state. // VfW application may use only one buffer! 61883 is attaching the descriptor list // not this subunit driver so so it is ok to start streaming immediately without checking // number of buffers attached. Status = DVStreamingStart( pStrmExt->pStrmInfo->DataFlow, pStrmExt, pDevExt ); } } break; default: TRACE(TL_STRM_ERROR,("\'SetStreamState: unknown state = %x\n",StreamState)); Status = STATUS_NOT_SUPPORTED; break; } // Be sure to save the state of the stream. TRACE(TL_STRM_WARNING,("\'DVSetStreamState: (%x) from %d -> %d, Status %x\n", pStrmExt, pStrmExt->StreamState, StreamState, Status)); if(Status == STATUS_SUCCESS) { pStrmExt->StreamStatePrevious = pStrmExt->StreamState; // Cache previous stream state. pStrmExt->StreamState = StreamState; } return Status; } NTSTATUS DVStreamGetConnectionProperty ( PDVCR_EXTENSION pDevExt, PSTREAMEX pStrmExt, PSTREAM_PROPERTY_DESCRIPTOR pSPD, PULONG pulActualBytesTransferred ) /*++ Routine Description: Handles KS_PROPERTY_CONNECTION* request. For now, only ALLOCATORFRAMING and CONNECTION_STATE are supported. --*/ { NTSTATUS Status = STATUS_SUCCESS; PAGED_CODE(); TRACE(TL_STRM_TRACE,("\'DVStreamGetConnectionProperty: entered ...\n")); switch (pSPD->Property->Id) { case KSPROPERTY_CONNECTION_ALLOCATORFRAMING: if (pDevExt != NULL && pDevExt->cndStrmOpen) { PKSALLOCATOR_FRAMING pFraming = (PKSALLOCATOR_FRAMING) pSPD->PropertyInfo; #ifdef SUPPORT_NEW_AVC if(pStrmExt->bDV2DVConnect) { // No framing required. pFraming->RequirementsFlags = 0; pFraming->PoolType = DontUseThisType; pFraming->Frames = 0; pFraming->FrameSize = 0; pFraming->FileAlignment = 0; pFraming->Reserved = 0; } else { #endif pFraming->RequirementsFlags = KSALLOCATOR_REQUIREMENTF_SYSTEM_MEMORY | KSALLOCATOR_REQUIREMENTF_INPLACE_MODIFIER | KSALLOCATOR_REQUIREMENTF_PREFERENCES_ONLY; pFraming->PoolType = NonPagedPool; pFraming->Frames = \ (pDevExt->paStrmExt[pDevExt->idxStreamNumber]->pStrmInfo->DataFlow == KSPIN_DATAFLOW_OUT ? \ DVFormatInfoTable[pDevExt->VideoFormatIndex].ulNumOfRcvBuffers : \ DVFormatInfoTable[pDevExt->VideoFormatIndex].ulNumOfXmtBuffers); // Note: we'll allocate the biggest frame. We need to make sure when we're // passing the frame back up we also set the number of bytes in the frame. pFraming->FrameSize = DVFormatInfoTable[pDevExt->VideoFormatIndex].ulFrameSize; pFraming->FileAlignment = 0; // FILE_LONG_ALIGNMENT; pFraming->Reserved = 0; #ifdef SUPPORT_NEW_AVC } #endif *pulActualBytesTransferred = sizeof (KSALLOCATOR_FRAMING); TRACE(TL_STRM_TRACE,("\'AllocFraming: cntStrmOpen:%d; VdoFmtIdx:%d; Frames %d; size:%d\n", \ pDevExt->cndStrmOpen, pDevExt->VideoFormatIndex, pFraming->Frames, pFraming->FrameSize)); } else { TRACE(TL_STRM_WARNING,("\'AllocFraming: pDevExt:%x; cntStrmOpen:%d\n", pDevExt, pDevExt->cndStrmOpen)); Status = STATUS_INVALID_PARAMETER; } break; default: *pulActualBytesTransferred = 0; Status = STATUS_NOT_SUPPORTED; break; } TRACE(TL_STRM_TRACE,("\'DVStreamGetConnectionProperty: exit.\n")); return Status; } NTSTATUS DVGetDroppedFramesProperty( PDVCR_EXTENSION pDevExt, PSTREAMEX pStrmExt, PSTREAM_PROPERTY_DESCRIPTOR pSPD, PULONG pulBytesTransferred ) /*++ Routine Description: Return the dropped frame information while captureing. --*/ { NTSTATUS Status = STATUS_SUCCESS; PAGED_CODE(); switch (pSPD->Property->Id) { case KSPROPERTY_DROPPEDFRAMES_CURRENT: { PKSPROPERTY_DROPPEDFRAMES_CURRENT_S pDroppedFrames = (PKSPROPERTY_DROPPEDFRAMES_CURRENT_S) pSPD->PropertyInfo; pDroppedFrames->AverageFrameSize = DVFormatInfoTable[pStrmExt->pDevExt->VideoFormatIndex].ulFrameSize; if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN) { // This is the picture number that MSDV is actually sending, and in a slow harddisk case, // it will be greater than (FramesProcessed + FramesDropped) considering repeat frame. pDroppedFrames->PictureNumber = pStrmExt->PictureNumber; pDroppedFrames->DropCount = pStrmExt->FramesDropped; // pStrmExt->PictureNumber - pStrmExt->FramesProcessed; // For transmit, this value includes both dropped and repeated. } else { pDroppedFrames->PictureNumber = pStrmExt->PictureNumber; pDroppedFrames->DropCount = pStrmExt->FramesDropped; // For transmit, this value includes both dropped and repeated. } TRACE(TL_STRM_TRACE,("\'hMasClk:%x; *DroppedFP: Pic#(%d), Drp(%d); tmCurStream:%d\n", pStrmExt->hMasterClock, (LONG) pDroppedFrames->PictureNumber, (LONG) pDroppedFrames->DropCount, (DWORD) (pStrmExt->CurrentStreamTime/10000) )); *pulBytesTransferred = sizeof (KSPROPERTY_DROPPEDFRAMES_CURRENT_S); Status = STATUS_SUCCESS; } break; default: *pulBytesTransferred = 0; Status = STATUS_NOT_SUPPORTED; break; } return Status; } #ifdef SUPPORT_QUALITY_CONTROL NTSTATUS DVGetQualityControlProperty( PDVCR_EXTENSION pDevExt, PSTREAMEX pStrmExt, PSTREAM_PROPERTY_DESCRIPTOR pSPD, PULONG pulBytesTransferred ) /*++ Routine Description: Return the dropped frame information while captureing. --*/ { NTSTATUS Status = STATUS_SUCCESS; PAGED_CODE(); switch (pSPD->Property->Id) { case KSPROPERTY_STREAM_QUALITY: if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN) { PKSQUALITY pKSQuality = (PKSQUALITY) pSPD->PropertyInfo; // Quality control only if(pStrmExt->StreamState == KSSTATE_STOP || pStrmExt->StreamState == KSSTATE_ACQUIRE) { *pulBytesTransferred = 0; Status = STATUS_UNSUCCESSFUL; // Data is not ready ASSERT(pSPD->Property->Id == KSPROPERTY_STREAM_QUALITY); break; } /* log.Init_Quality(KSPROPERTY_QUALITY_REPORT, fSuccess); log.LogInt("Proportion", ksQuality.Proportion, "Indicates the percentage of frames currently being received which are actually being used. " " This is expressed in units of 0.1 of a percent, where 1000 is optimal."); log.LogLONGLONG("DeltaTime", ksQuality.DeltaTime, "Indicates the delta in native units (as indicated by the Interface) from optimal time at which " "the frames are being delivered, where a positive number means too late, and a negative number means too early. " "Zero indicate a correct delta."); log.LogPVOID("pvContext", ksQuality.Context, "Context parameter which could be a pointer to the filter pin interface used to " "locate the source of the complaint in the graph topology."); */ pKSQuality->DeltaTime = pStrmExt->KSQuality.DeltaTime; pKSQuality->Proportion = pStrmExt->KSQuality.Proportion; pKSQuality->Context = 0; // Not used! TRACE(TL_STRM_WARNING,("\'Get QualityControl: Context:%x; DeltaTime:%d; Proportion:%d\n", pKSQuality->Context, (DWORD) pKSQuality->DeltaTime, pKSQuality->Proportion)); Status = STATUS_SUCCESS; *pulBytesTransferred = sizeof(KSQUALITY); } else { *pulBytesTransferred = 0; Status = STATUS_NOT_SUPPORTED; } break; default: *pulBytesTransferred = 0; Status = STATUS_NOT_SUPPORTED; break; } return Status; } #endif // SUPPORT_QUALITY_CONTROL #ifdef SUPPORT_NEW_AVC NTSTATUS DVGetPinProperty( PDVCR_EXTENSION pDevExt, PSTREAMEX pStrmExt, PSTREAM_PROPERTY_DESCRIPTOR pSPD, PULONG pulBytesTransferred ) /*++ Routine Description: Return the dropped frame information while captureing. --*/ { NTSTATUS Status = STATUS_SUCCESS; PKSPIN_MEDIUM pPinMediums; KSMULTIPLE_ITEM * pMultipleItem; ULONG idxStreamNumber; ULONG ulMediumsSize; PAGED_CODE(); switch (pSPD->Property->Id) { case KSPROPERTY_PIN_MEDIUMS: if(!pStrmExt->pStrmObject) { *pulBytesTransferred = 0; return STATUS_UNSUCCESSFUL; } idxStreamNumber = pStrmExt->pStrmObject->StreamNumber; ulMediumsSize = DVStreams[idxStreamNumber].hwStreamInfo.MediumsCount * sizeof(KSPIN_MEDIUM); TRACE(TL_STRM_WARNING,("\'KSPROPERTY_PIN_MEDIUMS: idx:%d; MediumSize:%d\n", idxStreamNumber, ulMediumsSize)); // Its is KSMULTIPLE_ITEM so it is a two step process to return the data: // (1) return size in pActualBytesTransferred with STATUS_BUFFER_OVERFLOW // (2) 2nd time to get its actual data. if(pSPD->PropertyOutputSize == 0) { *pulBytesTransferred = sizeof(KSMULTIPLE_ITEM) + ulMediumsSize; Status = STATUS_BUFFER_OVERFLOW; } else if(pSPD->PropertyOutputSize >= (sizeof(KSMULTIPLE_ITEM) + ulMediumsSize)) { pMultipleItem = (KSMULTIPLE_ITEM *) pSPD->PropertyInfo; // pointer to the data pMultipleItem->Count = DVStreams[idxStreamNumber].hwStreamInfo.MediumsCount; pMultipleItem->Size = sizeof(KSMULTIPLE_ITEM) + ulMediumsSize; pPinMediums = (PKSPIN_MEDIUM) (pMultipleItem + 1); // pointer to the data memcpy(pPinMediums, DVStreams[idxStreamNumber].hwStreamInfo.Mediums, ulMediumsSize); *pulBytesTransferred = sizeof(KSMULTIPLE_ITEM) + ulMediumsSize; Status = STATUS_SUCCESS; } else { TRACE(TL_STRM_ERROR,("DVCRMediaSeekingProperty: KSPROPERTY_MEDIASEEKING_FORMAT; STATUS_INVALID_PARAMETER\n")); Status = STATUS_INVALID_PARAMETER; } break; default: *pulBytesTransferred = 0; Status = STATUS_NOT_SUPPORTED; break; } return Status; } #endif NTSTATUS DVGetStreamProperty( PHW_STREAM_REQUEST_BLOCK pSrb ) /*++ Routine Description: Routine to process property request --*/ { NTSTATUS Status = STATUS_SUCCESS; PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo; PAGED_CODE(); TRACE(TL_STRM_TRACE,("\'DVGetStreamProperty: entered ...\n")); if(IsEqualGUID (&KSPROPSETID_Connection, &pSPD->Property->Set)) { Status = DVStreamGetConnectionProperty ( pSrb->HwDeviceExtension, (PSTREAMEX) pSrb->StreamObject->HwStreamExtension, pSrb->CommandData.PropertyInfo, &pSrb->ActualBytesTransferred ); } else if (IsEqualGUID (&PROPSETID_VIDCAP_DROPPEDFRAMES, &pSPD->Property->Set)) { Status = DVGetDroppedFramesProperty ( pSrb->HwDeviceExtension, (PSTREAMEX) pSrb->StreamObject->HwStreamExtension, pSrb->CommandData.PropertyInfo, &pSrb->ActualBytesTransferred ); } #ifdef SUPPORT_QUALITY_CONTROL else if (IsEqualGUID (&KSPROPSETID_Stream, &pSPD->Property->Set)) { Status = DVGetQualityControlProperty ( pSrb->HwDeviceExtension, (PSTREAMEX) pSrb->StreamObject->HwStreamExtension, pSrb->CommandData.PropertyInfo, &pSrb->ActualBytesTransferred ); } #endif #ifdef SUPPORT_NEW_AVC else if (IsEqualGUID (&KSPROPSETID_Pin, &pSPD->Property->Set)) { Status = DVGetPinProperty ( pSrb->HwDeviceExtension, (PSTREAMEX) pSrb->StreamObject->HwStreamExtension, pSrb->CommandData.PropertyInfo, &pSrb->ActualBytesTransferred ); } #endif else { Status = STATUS_NOT_SUPPORTED; } return Status; } NTSTATUS DVSetStreamProperty( PHW_STREAM_REQUEST_BLOCK pSrb ) /*++ Routine Description: Routine to process set property request --*/ { PSTREAM_PROPERTY_DESCRIPTOR pSPD = pSrb->CommandData.PropertyInfo; PAGED_CODE(); TRACE(TL_STRM_WARNING,("\'DVSetStreamProperty: entered ...\n")); return STATUS_NOT_SUPPORTED; } NTSTATUS DVCancelOnePacketCR( IN PDEVICE_OBJECT DeviceObject, IN PIRP pIrp, IN PSRB_DATA_PACKET pSrbDataPacket ) /*++ Routine Description: Completion routine for detach an isoch descriptor associate with a pending read SRB. Will cancel the pending SRB here if detaching descriptor has suceeded. --*/ { PSTREAMEX pStrmExt; PLONG plSrbUseCount; PHW_STREAM_REQUEST_BLOCK pSrbToCancel; KIRQL oldIrql; if(!NT_SUCCESS(pIrp->IoStatus.Status)) { TRACE(TL_STRM_ERROR,("CancelOnePacketCR: Srb:%x failed pIrp->Status %x\n", pSrbDataPacket->pSrb, pIrp->IoStatus.Status)); IoFreeIrp(pIrp); // Allocated locally return STATUS_MORE_PROCESSING_REQUIRED; } pStrmExt = pSrbDataPacket->pStrmExt; // // Add this to the attached list // KeAcquireSpinLock(pStrmExt->DataListLock, &oldIrql); // while it is being cancelled, it was completed ? if(pStrmExt->cntDataAttached <= 0) { TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("\'DVCancelOnePacketCR:pStrmExt:%x, pSrbDataPacket:%x, AQD[%d:%d:%d]\n", \ pStrmExt, pSrbDataPacket, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached )); ASSERT(pStrmExt->cntDataAttached > 0); KeReleaseSpinLock(pStrmExt->DataListLock, oldIrql); IoFreeIrp(pIrp); // Allocated locally return STATUS_MORE_PROCESSING_REQUIRED; } pSrbToCancel = pSrbDataPacket->pSrb; // Offload pSrb so this list entry can be inserted to available list. plSrbUseCount = (PLONG) pSrbDataPacket->pSrb->SRBExtension; // Remove from attached and add it to the detach list RemoveEntryList(&pSrbDataPacket->ListEntry); pStrmExt->cntDataAttached--; (*plSrbUseCount)--; #if DBG // Detect if 61883 is starve. This cause discontinuity. // This can happen for many valid reasons (slow system). // An assert is added to detect other unknown reason. if(pStrmExt->cntDataAttached == 0 && pStrmExt->StreamState == KSSTATE_RUN) { TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("\n**** 61883 starve in RUN state (cancel); AQD[%d:%d:%d]\n\n", pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached )); // ASSERT(pStrmExt->cntDataAttached > 0 && "61883 is starve at RUN state!!"); } #endif ASSERT(pStrmExt->cntDataAttached >= 0); ASSERT(*plSrbUseCount >= 0); InsertTailList(&pStrmExt->DataDetachedListHead, &pSrbDataPacket->ListEntry); pStrmExt->cntDataDetached++; pSrbDataPacket->State |= DE_IRP_CANCELLED; // // Complete this Srb if its refCount is 0. // if(*plSrbUseCount == 0) { PDVCR_EXTENSION pDevExt; pDevExt = pStrmExt->pDevExt; pSrbToCancel->Status = (pDevExt->bDevRemoved ? STATUS_DEVICE_REMOVED : STATUS_CANCELLED); pSrbToCancel->CommandData.DataBufferArray->DataUsed = 0; pSrbToCancel->ActualBytesTransferred = 0; pStrmExt->cntSRBCancelled++; // RefCnt is 0, and cancelled. TRACE(TL_CIP_TRACE,("\'DVCancelOnePacketCR: Srb:%x cancelled; St:%x; cntCancel:%d\n", pSrbToCancel, pSrbToCancel->Status, pStrmExt->cntSRBCancelled)); StreamClassStreamNotification(StreamRequestComplete, pSrbToCancel->StreamObject, pSrbToCancel); pSrbDataPacket->State |= DE_IRP_SRB_COMPLETED; pSrbDataPacket->pSrb = NULL; #if DBG pStrmExt->cntSRBPending--; #endif } else { TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("\'DVCancelOnePacketCR: Srb:%x; RefCnt:%d; not completed!\n", pSrbDataPacket->pSrb, *plSrbUseCount)); } KeReleaseSpinLock(pStrmExt->DataListLock, oldIrql); IoFreeIrp(pIrp); // Allocated locally return STATUS_MORE_PROCESSING_REQUIRED; } NTSTATUS DVStopCancelDisconnect( PSTREAMEX pStrmExt ) /*++ Routine Description: Stop a stream, cacel all pening data requests, terminate system thread, and disconnect. --*/ { AV_61883_REQUEST * pAVReq; if(!(pAVReq = (AV_61883_REQUEST *) ExAllocatePool(NonPagedPool, sizeof(AV_61883_REQUEST)) )) return STATUS_INSUFFICIENT_RESOURCES; // // Set stream state and the work item thread can both call this routine. // Use a mutex to synchronize them. // KeWaitForSingleObject( pStrmExt->hStreamMutex, Executive, KernelMode, FALSE, 0 ); // // Stop the 1394 isoch data transfer; Stream state is unchanged. // DVStreamingStop( pStrmExt, pStrmExt->pDevExt, pAVReq ); ExFreePool(pAVReq); pAVReq = NULL; // // Cancel all packets // DVCancelAllPackets( pStrmExt, pStrmExt->pDevExt ); // // If the device is removed, terminate the system thread for attach frame. // if( pStrmExt->pDevExt->bDevRemoved && KSPIN_DATAFLOW_IN == pStrmExt->pStrmInfo->DataFlow && !pStrmExt->bTerminateThread && pStrmExt->pAttachFrameThreadObject ) { DVTerminateAttachFrameThread(pStrmExt); pStrmExt->pAttachFrameThreadObject = NULL; TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("** DVStopCancelDisconnect: AttachFrameThread terminated;\n")); } // // Break the connection so 61883 will free isoch resource // DVDisconnect( pStrmExt->pStrmInfo->DataFlow, pStrmExt->pDevExt, pStrmExt ); KeReleaseMutex(pStrmExt->hStreamMutex, FALSE); return STATUS_SUCCESS; } void DVCancelSrbWorkItemRoutine( #ifdef USE_WDM110 // Win2000 code base // Extra parameter if using WDM10 PDEVICE_OBJECT DeviceObject, #endif PSTREAMEX pStrmExt ) /*++ Routine Description: This work item routine will stop streaming and cancel all SRBs. --*/ { PAGED_CODE(); TRACE(TL_STRM_WARNING,("\'CancelWorkItem: StreamState:%d; lCancel:%d\n", pStrmExt->StreamState, pStrmExt->lCancelStateWorkItem)); ASSERT(pStrmExt->lCancelStateWorkItem == 1); #ifdef USE_WDM110 // Win2000 code base ASSERT(pStrmExt->pIoWorkItem); #endif // // Stop the stream and cancel all pending requests. // if(!NT_SUCCESS(DVStopCancelDisconnect(pStrmExt))) { // Canceling is in theory done! InterlockedExchange(&pStrmExt->lCancelStateWorkItem, 0); KeSetEvent(&pStrmExt->hCancelDoneEvent, 0, FALSE); pStrmExt->bAbortPending = FALSE; goto DVAbortWorkItemRoutine; } // // Canceling is in theory done! // InterlockedExchange(&pStrmExt->lCancelStateWorkItem, 0); KeSetEvent(&pStrmExt->hCancelDoneEvent, 0, FALSE); pStrmExt->bAbortPending = FALSE; // If the device is removed, terminate the system thread that is used // for attaching frame for transmit to DV if( pStrmExt->pDevExt->bDevRemoved && KSPIN_DATAFLOW_IN == pStrmExt->pStrmInfo->DataFlow && !pStrmExt->bTerminateThread && pStrmExt->pAttachFrameThreadObject ) { DVTerminateAttachFrameThread(pStrmExt); pStrmExt->pAttachFrameThreadObject = NULL; TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("** WortItemRoutine: thread terminated;\n")); } DVAbortWorkItemRoutine: ; #ifdef USE_WDM110 // Win2000 code base // Release work item and release the cancel token IoFreeWorkItem(pStrmExt->pIoWorkItem); pStrmExt->pIoWorkItem = NULL; #endif } BOOL DVAbortStream( PDVCR_EXTENSION pDevExt, PSTREAMEX pStrmExt ) /*++ Routine Description: Start a work item to abort streaming. --*/ { // // Claim this token; only one abort streaming per STOP->PAUSE transition. // if(InterlockedExchange(&pStrmExt->lCancelStateWorkItem, 1) == 1) { TRACE(TL_STRM_TRACE,("\'Cancel work item is already issued.\n")); return FALSE; } TRACE(TL_STRM_WARNING,("\'DVAbortStream is issued; lCancelStateWorkItem:%d\n", pStrmExt->lCancelStateWorkItem)); // // Non-signal this event so other thread depending on the completion will wait. // KeClearEvent(&pStrmExt->hCancelDoneEvent); pStrmExt->bAbortPending = TRUE; // // If we are not running at DISPATFCH level or higher, we abort the stream without scheduleing // a work item; else schedule a work item is necessary. // if (KeGetCurrentIrql() <= APC_LEVEL) { DVStopCancelDisconnect(pStrmExt); InterlockedExchange(&pStrmExt->lCancelStateWorkItem, 0); KeSetEvent(&pStrmExt->hCancelDoneEvent, 0, FALSE); pStrmExt->bAbortPending = FALSE; return TRUE; } #ifdef USE_WDM110 // Win2000 code base ASSERT(pStrmExt->pIoWorkItem == NULL); // Have not yet queued work item. // We will queue work item to stop and cancel all SRBs if(pStrmExt->pIoWorkItem = IoAllocateWorkItem(pDevExt->pBusDeviceObject)) { IoQueueWorkItem( pStrmExt->pIoWorkItem, DVCancelSrbWorkItemRoutine, DelayedWorkQueue, // CriticalWorkQueue pStrmExt ); #else // Win9x code base ExInitializeWorkItem( &pStrmExt->IoWorkItem, DVCancelSrbWorkItemRoutine, pStrmExt); if(TRUE) { ExQueueWorkItem( &pStrmExt->IoWorkItem, DelayedWorkQueue // CriticalWorkQueue ); #endif TRACE(TL_STRM_WARNING,("\'CancelWorkItm queued; SrbRcv:%d;Pic#:%d;Prc:%d;;Drop:%d;Cncl:%d; AQD [%d:%d:%d]\n", (DWORD) pStrmExt->cntSRBReceived, (DWORD) pStrmExt->PictureNumber, (DWORD) pStrmExt->FramesProcessed, (DWORD) pStrmExt->FramesDropped, (DWORD) pStrmExt->cntSRBCancelled, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached )); } #ifdef USE_WDM110 // Win2000 code base else { InterlockedExchange(&pStrmExt->lCancelStateWorkItem, 0); KeSetEvent(&pStrmExt->hCancelDoneEvent, 0, FALSE); pStrmExt->bAbortPending = FALSE; ASSERT(pStrmExt->pIoWorkItem && "IoAllocateWorkItem failed.\n"); return FALSE; } #endif return TRUE; } VOID DVCancelOnePacket( IN PHW_STREAM_REQUEST_BLOCK pSrbToCancel ) /*++ Routine Description: Search pending read lists for the SRB to be cancel. If found cancel it. --*/ { PDVCR_EXTENSION pDevExt; PSTREAMEX pStrmExt; KIRQL OldIrql; pDevExt = (PDVCR_EXTENSION) pSrbToCancel->HwDeviceExtension; // Cannot cancel device Srb. if ((pSrbToCancel->Flags & SRB_HW_FLAGS_STREAM_REQUEST) != SRB_HW_FLAGS_STREAM_REQUEST) { TRACE(TL_CIP_ERROR|TL_STRM_ERROR,("\'DVCancelOnePacket: Device SRB %x; cannot cancel!\n", pSrbToCancel)); ASSERT((pSrbToCancel->Flags & SRB_HW_FLAGS_STREAM_REQUEST) == SRB_HW_FLAGS_STREAM_REQUEST ); return; } // Can try to cancel a stream Srb and only if the stream extension still around. pStrmExt = (PSTREAMEX) pSrbToCancel->StreamObject->HwStreamExtension; if(pStrmExt == NULL) { TRACE(TL_CIP_ERROR|TL_STRM_ERROR,("DVCancelOnePacket: pSrbTocancel %x but pStrmExt %x\n", pSrbToCancel, pStrmExt)); ASSERT(pStrmExt && "Stream SRB but stream extension is NULL\n"); return; } // We can only cancel SRB_READ/WRITE_DATA SRB if((pSrbToCancel->Command != SRB_READ_DATA) && (pSrbToCancel->Command != SRB_WRITE_DATA)) { TRACE(TL_CIP_ERROR|TL_STRM_ERROR,("DVCancelOnePacket: pSrbTocancel %x; Command:%d not SRB_READ,WRITE_DATA\n", pSrbToCancel, pSrbToCancel->Command)); return; } TRACE(TL_STRM_TRACE|TL_CIP_TRACE,("\'DVCancelOnePacket: KSSt %d; Srb:%x; AQD[%d:%d:%d]\n", pStrmExt->StreamState, pSrbToCancel, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached)); KeAcquireSpinLock(&pDevExt->AVCCmdLock, &OldIrql); // // If device is removed, the surprise removal routine will do the cancelling. // if(!pDevExt->bDevRemoved) { KeReleaseSpinLock(&pDevExt->AVCCmdLock, OldIrql); // We will start an work item to stop streaming if we ever get an cancel Srb. if(!DVAbortStream(pDevExt, pStrmExt)) { TRACE(TL_STRM_WARNING,("\'CancelOnePacket: pSrb:%x; AbortStream not taken!\n", pSrbToCancel)); } } else { TRACE(TL_STRM_WARNING,("\'CancelOnePacket: DevRemoved; pSrb:%x; AbortStream not taken!\n", pSrbToCancel)); KeReleaseSpinLock(&pDevExt->AVCCmdLock, OldIrql); } } VOID DVCancelAllPackets( PSTREAMEX pStrmExt, PDVCR_EXTENSION pDevExt ) /*++ Routine Description: Cancel all packet when This is where most of the interesting Stream requests come to us --*/ { PHW_STREAM_REQUEST_BLOCK pSrb; PSRB_DATA_PACKET pSrbDataPacket; PAV_61883_REQUEST pAVReq; PSRB_ENTRY pSrbEntry; NTSTATUS Status; PIRP pIrp; PLIST_ENTRY pEntry; PIO_STACK_LOCATION NextIrpStack; KIRQL oldIrql; PAGED_CODE(); #if DBG if(pStrmExt->StreamState != KSSTATE_STOP) { TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("DVCancelAllPackets: Enter; pStrmExt:%x; StrmSt:%d; IsochActive:%d\n", pStrmExt, pStrmExt->StreamState, pStrmExt->bIsochIsActive)); } #endif // // Detached request only if not streaming // // Note: no need to spin lock this if isoch has stopped. if(!pStrmExt->bIsochIsActive) { PLONG plSrbUseCount; TRACE(TL_STRM_WARNING,("\'CancelAll: AQD: [%d:%d:%d]; DataAttachedListHead:%x\n", pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached, pStrmExt->DataAttachedListHead )); // // Cancel buffer(s) that are still attached. // KeAcquireSpinLock(pStrmExt->DataListLock, &oldIrql); pEntry = pStrmExt->DataAttachedListHead.Flink; while(pEntry != &pStrmExt->DataAttachedListHead) { ASSERT(pStrmExt->cntDataAttached > 0 && "List and cntAttached out of sync!"); // Get an irp and detached the buffer if(!(pIrp = IoAllocateIrp(pDevExt->pBusDeviceObject->StackSize, FALSE))) { KeReleaseSpinLock(pStrmExt->DataListLock, oldIrql); return; } pSrbDataPacket = CONTAINING_RECORD(pEntry, SRB_DATA_PACKET, ListEntry); #if DBG if(!IsStateSet(pSrbDataPacket->State, DE_IRP_ATTACHED_COMPLETED)) { TRACE(TL_STRM_ERROR,("Cancel (unattached) entry; pStrmExt:%x; pSrbDataPacket:%x\n", pStrmExt, pSrbDataPacket)); ASSERT(IsStateSet(pSrbDataPacket->State, DE_IRP_ATTACHED_COMPLETED)); } #endif pEntry = pEntry->Flink; // Next since this may get changed in the completion routine KeReleaseSpinLock(pStrmExt->DataListLock, oldIrql); pSrb = pSrbDataPacket->pSrb; ASSERT(pSrbDataPacket->pSrb); plSrbUseCount = (PLONG) pSrb->SRBExtension; pAVReq = &pSrbDataPacket->AVReq; RtlZeroMemory(pAVReq, sizeof(AV_61883_REQUEST)); INIT_61883_HEADER(pAVReq, Av61883_CancelFrame); pAVReq->CancelFrame.hConnect = pStrmExt->hConnect; pAVReq->CancelFrame.Frame = pSrbDataPacket->Frame; TRACE(TL_CIP_TRACE,("\'Canceling AttachList: pSrb %x, AvReq %x; UseCount %d\n", pSrb, pAVReq, *plSrbUseCount)); ASSERT(pSrbDataPacket->Frame); NextIrpStack = IoGetNextIrpStackLocation(pIrp); NextIrpStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL; NextIrpStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_61883_CLASS; NextIrpStack->Parameters.Others.Argument1 = pAVReq; IoSetCompletionRoutine( pIrp, DVCancelOnePacketCR, pSrbDataPacket, TRUE, TRUE, TRUE ); Status = IoCallDriver( pDevExt->pBusDeviceObject, pIrp ); ASSERT(Status == STATUS_PENDING || Status == STATUS_SUCCESS); KeAcquireSpinLock(pStrmExt->DataListLock, &oldIrql); } KeReleaseSpinLock(pStrmExt->DataListLock, oldIrql); #if DBG if(pStrmExt->cntDataAttached != 0) { TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("\'DVCancelAllPackets: cntDataAttached:%d !!\n", pStrmExt->cntDataAttached)); ASSERT(pStrmExt->cntDataAttached == 0); } #endif // // Cancel SRB that are still the SrbQ; this applies only to SRB_WRITE_DATA // pEntry = pStrmExt->SRBQueuedListHead.Flink; while(pEntry != &pStrmExt->SRBQueuedListHead) { pSrbEntry = CONTAINING_RECORD(pEntry, SRB_ENTRY, ListEntry); plSrbUseCount = (PLONG) pSrbEntry->pSrb->SRBExtension; pEntry = pEntry->Flink; // Next since this may get changed if removed TRACE(TL_CIP_TRACE,("\'DVCnclAllPkts (SrbQ): cntQ:%d; pSrb:%x; UseCnt:%d (=? 1)\n", pStrmExt->cntSRBQueued, pSrbEntry->pSrb, *plSrbUseCount)); if(*plSrbUseCount == 1) { RemoveEntryList(&pSrbEntry->ListEntry); pStrmExt->cntSRBQueued--; (*plSrbUseCount)--; // Remove from queueed. pStrmExt->cntSRBCancelled++; pSrbEntry->pSrb->Status = (pDevExt->bDevRemoved ? STATUS_DEVICE_REMOVED : STATUS_CANCELLED); pSrbEntry->pSrb->CommandData.DataBufferArray->DataUsed = 0; pSrbEntry->pSrb->ActualBytesTransferred = 0; TRACE(TL_STRM_WARNING,("\'Cancel queued SRB: pSRB:%x, Status:%x; cntSrbCancelled:%d\n", pSrbEntry->pSrb, pSrbEntry->pSrb->Status, pStrmExt->cntSRBCancelled)); StreamClassStreamNotification(StreamRequestComplete, pSrbEntry->pSrb->StreamObject, pSrbEntry->pSrb); #if DBG pStrmExt->cntSRBPending--; #endif ExFreePool(pSrbEntry); } else { TRACE(TL_STRM_ERROR|TL_CIP_ERROR,("\'NOT Cancel queued SRB: pSRB:%x, Status:%x; *plSrbUseCount:%d, cntSrbCancelled:%d\n", pSrbEntry->pSrb, pSrbEntry->pSrb->Status, *plSrbUseCount, pStrmExt->cntSRBCancelled)); ASSERT(*plSrbUseCount == 0 && "Still in use ?"); break; // Still in used. Perhaps, free it in TimeoutHandler() or CancelOnePacket() } } #if DBG if(pStrmExt->cntSRBQueued != 0 || !IsListEmpty(&pStrmExt->SRBQueuedListHead)) { TRACE(TL_STRM_ERROR|TL_CIP_ERROR,("\'DVCancelAllPackets: cntSRBQueued:%d !! Empty?%d\n", pStrmExt->cntSRBQueued, IsListEmpty(&pStrmExt->SRBQueuedListHead))); ASSERT(pStrmExt->cntSRBQueued == 0); } #endif } else { TRACE(TL_STRM_ERROR,("\'IsochActive; cannot cancel! cntSrbQ:%d; cntAttached:%d.\n", pStrmExt->cntSRBQueued, pStrmExt->cntDataAttached)); ASSERT(pStrmExt->bIsochIsActive); } TRACE(TL_STRM_WARNING|TL_CIP_WARNING,("\'DVCancelAllPackets: ************************ Exit!\n")); } VOID DVTimeoutHandler( IN PHW_STREAM_REQUEST_BLOCK pSrb ) /*++ Routine Description: This routine is called when a packet has been in the minidriver too long. It can only valid if we are it wa a streaming packet and in PAUSE state; else we have a problem! Arguments: pSrb - Pointer to Stream request block Return Value: Nothing --*/ { // // Note: // Called from StreamClass at DisptchLevel // // // We only expect stream SRB, but not device SRB. // if ( (pSrb->Flags & SRB_HW_FLAGS_STREAM_REQUEST) != SRB_HW_FLAGS_STREAM_REQUEST) { TRACE(TL_PNP_ERROR,("TimeoutHandler: Device SRB %x (cmd:%x) timed out!\n", pSrb, pSrb->Command)); return; } else { // // pSrb->StreamObject (and pStrmExt) only valid if it is a stream SRB // PSTREAMEX pStrmExt; pStrmExt = (PSTREAMEX) pSrb->StreamObject->HwStreamExtension; if(!pStrmExt) { TRACE(TL_PNP_ERROR,("TimeoutHandler: Stream SRB %x timeout with pStrmExt %x\n", pSrb, pStrmExt)); ASSERT(pStrmExt); return; } TRACE(TL_STRM_WARNING,("\'TimeoutHandler: KSSt %d; Srb:%x (cmd:%x); AQD[%d:%d:%d]\n", pStrmExt->StreamState, pSrb, pSrb->Command, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached)); // // Stream SRB (esp the data SRB) can time out if there is not // data on the bus; however, it can only happen while in PAUSE // or RUN state when attaching data SRB is valid. // if(pStrmExt->StreamState != KSSTATE_PAUSE && pStrmExt->StreamState != KSSTATE_RUN) { TRACE(TL_PNP_ERROR|TL_STRM_ERROR,("\'TmOutHndlr:(Irql:%d) Srb %x (cmd:%x); %s, pStrmExt %x, AQD [%d:%d:%d]\n", KeGetCurrentIrql(), pSrb, pSrb->Command, pStrmExt->StreamState == KSSTATE_RUN ? "RUN" : pStrmExt->StreamState == KSSTATE_PAUSE ? "PAUSE": pStrmExt->StreamState == KSSTATE_STOP ? "STOP": "Unknown", pStrmExt, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached )); } // // Reset Timeout counter, or we are going to get this call immediately. // pSrb->TimeoutCounter = pSrb->TimeoutOriginal; } } NTSTATUS DVEventHandler( IN PHW_EVENT_DESCRIPTOR pEventDescriptor ) /*++ Routine Description: This routine is called to process events. --*/ { PSTREAMEX pStrmExt; if(IsEqualGUID (&KSEVENTSETID_Clock, pEventDescriptor->EventEntry->EventSet->Set)) { if(pEventDescriptor->EventEntry->EventItem->EventId == KSEVENT_CLOCK_POSITION_MARK) { if(pEventDescriptor->Enable) { // Note: According to the DDK, StreamClass queues pEventDescriptor->EventEntry, and dellaocate // every other structures, including the pEventDescriptor->EventData. if(pEventDescriptor->StreamObject) { PKSEVENT_TIME_MARK pEventTime; pStrmExt = (PSTREAMEX) pEventDescriptor->StreamObject->HwStreamExtension; pEventTime = (PKSEVENT_TIME_MARK) pEventDescriptor->EventData; // Cache the event data (Specified in the ExtraEntryData of KSEVENT_ITEM) RtlCopyMemory((pEventDescriptor->EventEntry+1), pEventDescriptor->EventData, sizeof(KSEVENT_TIME_MARK)); TRACE(TL_STRM_TRACE,("\'CurrentStreamTime:%d, MarkTime:%d\n", (DWORD) pStrmExt->CurrentStreamTime, (DWORD) pEventTime->MarkTime)); } } else { // Disabled! TRACE(TL_STRM_TRACE,("\'KSEVENT_CLOCK_POSITION_MARK disabled!\n")); } return STATUS_SUCCESS; } } else if(IsEqualGUID (&KSEVENTSETID_Connection, pEventDescriptor->EventEntry->EventSet->Set)) { TRACE(TL_STRM_WARNING,("\'Connection event: pEventDescriptor:%x; id:%d\n", pEventDescriptor, pEventDescriptor->EventEntry->EventItem->EventId)); pStrmExt = (PSTREAMEX) pEventDescriptor->StreamObject->HwStreamExtension; if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN) { if(pEventDescriptor->EventEntry->EventItem->EventId == KSEVENT_CONNECTION_ENDOFSTREAM) { if(pEventDescriptor->Enable) { TRACE(TL_STRM_TRACE,("\'KSEVENT_CONNECTION_ENDOFSTREAM enabled!\n")); } else { TRACE(TL_STRM_TRACE,("\'KSEVENT_CONNECTION_ENDOFSTREAM disabled!\n")); } return STATUS_SUCCESS; } } } TRACE(TL_STRM_ERROR,("\'NOT_SUPPORTED event: pEventDescriptor:%x\n", pEventDescriptor)); ASSERT(FALSE && "Event not advertised and not supported!"); return STATUS_NOT_SUPPORTED; } VOID DVSignalClockEvent( IN PKDPC Dpc, IN PSTREAMEX pStrmExt, IN PVOID SystemArgument1, IN PVOID SystemArgument2 ) /*++ Routine Description: This routine is called when we are the clock provider and when our clock "tick". Find a pending clock event, signal it if it has expired. --*/ { PKSEVENT_ENTRY pEvent, pLast; ULONGLONG tmStreamTime; #if DBG ULONG EventPendings = 0; #endif pEvent = NULL; pLast = NULL; // // A clock tick for DV is one frame time. For better precision, // we calculate current stream time with an offset from the last system time being queried. // We also add a max latency of one frame for decoding a DV frame. // tmStreamTime = pStrmExt->CurrentStreamTime + (GetSystemTime() - pStrmExt->LastSystemTime) + DVFormatInfoTable[pStrmExt->pDevExt->VideoFormatIndex].ulAvgTimePerFrame; // Allow one frame of latency while(( pEvent = StreamClassGetNextEvent( pStrmExt->pDevExt, pStrmExt->pStrmObject, (GUID *)&KSEVENTSETID_Clock, KSEVENT_CLOCK_POSITION_MARK, pLast )) != NULL ) { #if DBG EventPendings++; #endif if ( // For real time capture (DV->PC), signal every frame. // No frame that is produce can be "early" and requires AdviseTime(). pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_OUT || pStrmExt->bEOStream || (pStrmExt->StreamState != KSSTATE_RUN) // If not in RUN state, Data should be completed. || pStrmExt->pDevExt->PowerState != PowerDeviceD0 // If not power ON, data should be completed. || ((PKSEVENT_TIME_MARK)(pEvent +1))->MarkTime <= (LONGLONG) tmStreamTime ) { TRACE(TL_STRM_TRACE,("\'PowerSt:%d (ON:1?); StrmSt:%d; Clock event %x with id %d; Data:%x; \ttmMark\t%d \ttmCurrentStream \t%d; Notify!\n", pStrmExt->pDevExt->PowerState, pStrmExt->StreamState, pEvent, KSEVENT_CLOCK_POSITION_MARK, (PKSEVENT_TIME_MARK)(pEvent +1), (DWORD) (((PKSEVENT_TIME_MARK)(pEvent +1))->MarkTime), (DWORD) tmStreamTime)); ASSERT( ((PKSEVENT_TIME_MARK)(pEvent +1))->MarkTime > 0 ); // // signal the event here // StreamClassStreamNotification( SignalStreamEvent, pStrmExt->pStrmObject, pEvent ); #if DBG if(pStrmExt->bEOStream) { TRACE(TL_STRM_WARNING,("\'bEOStream: Clock event %x with id %d; Data:%x; \ttmMark \t%d \ttmCurStream \t%d\n", pEvent, KSEVENT_CLOCK_POSITION_MARK, (PKSEVENT_TIME_MARK)(pEvent +1), (DWORD) (((PKSEVENT_TIME_MARK)(pEvent +1))->MarkTime), (DWORD) tmStreamTime)); } #endif } else { TRACE(TL_STRM_WARNING,("\'PowerST:%d; StrmST:%d; AQD[%d:%d:%d]; Still early! ClockEvent: \tMarkTime \t%d \ttmStream \t%d \tdetla \t%d\n", pStrmExt->pDevExt->PowerState, pStrmExt->StreamState, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached, (DWORD) (((PKSEVENT_TIME_MARK)(pEvent +1))->MarkTime), (DWORD) tmStreamTime, (DWORD) ((((PKSEVENT_TIME_MARK)(pEvent +1))->MarkTime) - tmStreamTime) )); } pLast = pEvent; } #if DBG if(EventPendings == 0) { TRACE(TL_STRM_TRACE,("\'No event pending; PowerSt:%d (ON:1?); StrmSt:%d; AQD[%d:%d:%d]\n", pStrmExt->pDevExt->PowerState, pStrmExt->StreamState, pStrmExt->cntDataAttached, pStrmExt->cntSRBQueued, pStrmExt->cntDataDetached )); } #endif } VOID StreamClockRtn( IN PHW_TIME_CONTEXT TimeContext ) /*++ Routine Description: This routine is called whenever someone in the graph wants to know what time it is, and we are the Master Clock. --*/ { PDVCR_EXTENSION pDevExt; PHW_STREAM_OBJECT pStrmObj; PSTREAMEX pStrmExt; // Call at dispatch level pDevExt = (PDVCR_EXTENSION) TimeContext->HwDeviceExtension; pStrmObj = TimeContext->HwStreamObject; if(pStrmObj) pStrmExt = pStrmObj->HwStreamExtension; else pStrmExt = 0; if(!pDevExt || !pStrmExt) { ASSERT(pDevExt && pStrmExt); return; } switch (TimeContext->Function) { case TIME_GET_STREAM_TIME: // // How long since the stream was first set into the run state? // ASSERT(pStrmExt->hMasterClock && "We are not master clock but we were qureied?"); TimeContext->SystemTime = GetSystemTime(); if(pStrmExt->pStrmInfo->DataFlow == KSPIN_DATAFLOW_IN) { if(pStrmExt->StreamState == KSSTATE_RUN) { // Stream time is only meaningful in RUN state if(TimeContext->SystemTime >= pStrmExt->LastSystemTime) TimeContext->Time = pStrmExt->CurrentStreamTime + (TimeContext->SystemTime - pStrmExt->LastSystemTime); else { TimeContext->Time = pStrmExt->CurrentStreamTime; TRACE(TL_STRM_WARNING,("\'Clock went backward? %d -> %d\n", (DWORD) (TimeContext->SystemTime/10000), (DWORD) (pStrmExt->LastSystemTime/10000) )); // ASSERT(TimeContext->SystemTime >= pStrmExt->LastSystemTime); } // Make current stream time one frame behind if(TimeContext->Time > DVFormatInfoTable[pDevExt->VideoFormatIndex].ulAvgTimePerFrame) TimeContext->Time = TimeContext->Time - DVFormatInfoTable[pDevExt->VideoFormatIndex].ulAvgTimePerFrame; else TimeContext->Time = 0; } else { if(pStrmExt->FramesProcessed > 0) TimeContext->Time = pStrmExt->CurrentStreamTime; else TimeContext->Time = 0; // if get queried at the PAUSE state. } } else { if(pStrmExt->StreamState == KSSTATE_RUN) { #ifdef NT51_61883 // Can advance at most MAX_CYCLES_TIME (supported by 1394 OHCI). if((TimeContext->SystemTime - pStrmExt->LastSystemTime) > MAX_CYCLES_TIME) TimeContext->Time = pStrmExt->CurrentStreamTime + MAX_CYCLES_TIME; #else // Cannot advance more than one frame time. if((TimeContext->SystemTime - pStrmExt->LastSystemTime) >= DVFormatInfoTable[pDevExt->VideoFormatIndex].ulAvgTimePerFrame) TimeContext->Time = pStrmExt->CurrentStreamTime + DVFormatInfoTable[pDevExt->VideoFormatIndex].ulAvgTimePerFrame; #endif // NT51_61883 else TimeContext->Time = pStrmExt->CurrentStreamTime + (TimeContext->SystemTime - pStrmExt->LastSystemTime); // Necessary tuning ? // Make current stream time one frame behind so that the downstream filter // can render the data promptly instead of discarding it if it is late. if(TimeContext->Time > DVFormatInfoTable[pDevExt->VideoFormatIndex].ulAvgTimePerFrame) TimeContext->Time = TimeContext->Time - DVFormatInfoTable[pDevExt->VideoFormatIndex].ulAvgTimePerFrame; else TimeContext->Time = 0; } else { if(pStrmExt->FramesProcessed > 0) TimeContext->Time = pStrmExt->CurrentStreamTime; else TimeContext->Time = 0; } } TRACE(TL_STRM_TRACE,("\'TIME_GET_STREAM_TIME: ST:%d; Frame:%d; tmSys:%d; tmStream:%d msec\n", pStrmExt->StreamState, (DWORD) pStrmExt->PictureNumber, (DWORD)(TimeContext->SystemTime/10000), (DWORD)(TimeContext->Time/10000))); break; default: ASSERT(TimeContext->Function == TIME_GET_STREAM_TIME && "Unsupport clock func"); break; } // switch TimeContext->Function } NTSTATUS DVOpenCloseMasterClock ( PSTREAMEX pStrmExt, HANDLE hMasterClockHandle ) /*++ Routine Description: We can be a clock provider. --*/ { PAGED_CODE(); // Make sure the stream exist. if(pStrmExt == NULL) { TRACE(TL_STRM_ERROR,("\'DVOpenCloseMasterClock: stream is not yet running.\n")); ASSERT(pStrmExt); return STATUS_UNSUCCESSFUL; } TRACE(TL_STRM_TRACE,("\'DVOpenCloseMasterClock: pStrmExt %x; hMyClock:%x->%x\n", pStrmExt, pStrmExt->hMyClock, hMasterClockHandle)); if(hMasterClockHandle) { // Open master clock ASSERT(pStrmExt->hMyClock == NULL && "OpenMasterClk while hMyClock is not NULL!"); pStrmExt->hMyClock = hMasterClockHandle; } else { // Close master clock ASSERT(pStrmExt->hMyClock && "CloseMasterClk while hMyClock is NULL!"); pStrmExt->hMyClock = NULL; } return STATUS_SUCCESS; } NTSTATUS DVIndicateMasterClock ( PSTREAMEX pStrmExt, HANDLE hIndicateClockHandle ) /*++ Routine Description: Compare the indicate clock handle with my clock handle. If the same, we are the master clock; else, other device is the master clock. Note: either hMasterClock or hClock can be set. --*/ { PAGED_CODE(); // Make sure the stream exist. if (pStrmExt == NULL) { TRACE(TL_STRM_ERROR,("DVIndicateMasterClock: stream is not yet running.\n")); ASSERT(pStrmExt); return STATUS_UNSUCCESSFUL; } TRACE(TL_STRM_TRACE,("\'*>IndicateMasterClk[Enter]: pStrmExt:%x; hMyClk:%x; IndMClk:%x; pClk:%x, pMClk:%x\n", pStrmExt, pStrmExt->hMyClock, hIndicateClockHandle, pStrmExt->hClock, pStrmExt->hMasterClock)); // it not null, set master clock accordingly. if(hIndicateClockHandle == pStrmExt->hMyClock) { pStrmExt->hMasterClock = hIndicateClockHandle; pStrmExt->hClock = NULL; } else { pStrmExt->hMasterClock = NULL; pStrmExt->hClock = hIndicateClockHandle; } TRACE(TL_STRM_TRACE,("\'<*IndicateMasterClk[Exit]: hMyClk:%x; IndMClk:%x; pClk:%x; pMClk:%x\n", pStrmExt->hMyClock, hIndicateClockHandle, pStrmExt->hClock, pStrmExt->hMasterClock)); return STATUS_SUCCESS; }