/*++
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; i<DV_STREAM_COUNT; i++) {
pDevExt->paStrmExt[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; i<DV_STREAM_COUNT; i++) {
if(pStrmExt == pDevExt->paStrmExt[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; i<DV_STREAM_COUNT; i++) {
if(pDevExt->paStrmExt[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; i<DV_STREAM_COUNT; i++) {
if(pDevExt->paStrmExt[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 <entering>; lCancelStateWorkItem:%d\n", pDevExt->paStrmExt[i]->lCancelStateWorkItem));
KeWaitForSingleObject( &pDevExt->paStrmExt[i]->hCancelDoneEvent, Executive, KernelMode, FALSE, 0 );
TRACE(TL_PNP_WARNING,("\'SupriseRemoval: Wait for CancelDoneEvent <exited>...\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;
}