VOID
STREAMAPI
CompleteStreamSRB (
IN PHW_STREAM_REQUEST_BLOCK pSrb
)
{
DbgLogTrace(("TestCap: Completing Stream SRB %p\n", pSrb));
StreamClassStreamNotification(
StreamRequestComplete,
pSrb->StreamObject,
pSrb);
}
NTSTATUS
DCamCancelOnePacketCR(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP pIrp,
PISOCH_DESCRIPTOR IsochDescriptor
)
/*++
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.
Arguments:
DriverObject - Pointer to driver object created by system.
pIrp - Allocated locally, need to be free here.
IsochDescriptor - Isoch descriptor containing the SRB to be cancelled.
Return Value:
None.
--*/
{
PHW_STREAM_REQUEST_BLOCK pSrbToCancel;
PISOCH_DESCRIPTOR_RESERVED IsochDescriptorReserved;
PDCAM_EXTENSION pDevExt;
DeviceObject;
if(STATUS_SUCCESS != pIrp->IoStatus.Status) {
ERROR_LOG(("DCamCancelOnePacketCR: Detach buffer failed with pIrp->IoStatus.Status= %x (! STATUS_SUCCESS) \n", pIrp->IoStatus.Status));
ASSERT(STATUS_SUCCESS == pIrp->IoStatus.Status);
} else {
IsochDescriptorReserved = (PISOCH_DESCRIPTOR_RESERVED) &IsochDescriptor->DeviceReserved[0];
pSrbToCancel = IsochDescriptorReserved->Srb;
pDevExt = (PDCAM_EXTENSION) pSrbToCancel->HwDeviceExtension;
IsochDescriptorReserved->Flags |= STATE_SRB_IS_COMPLETE;
pSrbToCancel->CommandData.DataBufferArray->DataUsed = 0;
pSrbToCancel->ActualBytesTransferred = 0;
pSrbToCancel->Status = pDevExt->bDevRemoved ? STATUS_DEVICE_REMOVED : STATUS_CANCELLED;
DbgMsg2(("DCamCancelOnePacketCR: SRB %p, Status %x, IsochDesc %p, Reserved %p cancelled\n",
pSrbToCancel, pSrbToCancel->Status, IsochDescriptor, IsochDescriptorReserved));
StreamClassStreamNotification(
StreamRequestComplete,
pSrbToCancel->StreamObject,
pSrbToCancel);
ExFreePool(IsochDescriptor);
}
// Allocated locally so free it.
IoFreeIrp(pIrp);
return STATUS_MORE_PROCESSING_REQUIRED;
}
