/************************************************************************* * * video.c * * This module contains routines for managing the ICA video channel. * * Copyright 1998, Microsoft. * *************************************************************************/ /* * Includes */ #include #pragma hdrstop NTSTATUS IcaDeviceControlVideo( IN PICA_CHANNEL pChannel, IN PIRP Irp, IN PIO_STACK_LOCATION IrpSp ) /*++ Routine Description: This is the DeviceControl routine for the ICA video channel. Arguments: pChannel -- pointer to ICA_CHANNEL object Irp - Pointer to I/O request packet IrpSp - pointer to the stack location to use for this request. Return Value: NTSTATUS -- Indicates whether the request was successfully queued. --*/ { SD_IOCTL SdIoctl; NTSTATUS Status; SdIoctl.BytesReturned = 0; SdIoctl.IoControlCode = IrpSp->Parameters.DeviceIoControl.IoControlCode; SdIoctl.InputBuffer = Irp->AssociatedIrp.SystemBuffer; SdIoctl.InputBufferLength = IrpSp->Parameters.DeviceIoControl.InputBufferLength; SdIoctl.OutputBuffer = Irp->AssociatedIrp.SystemBuffer; SdIoctl.OutputBufferLength = IrpSp->Parameters.DeviceIoControl.OutputBufferLength; Status = IcaCallDriver( pChannel, SD$IOCTL, &SdIoctl ); Irp->IoStatus.Information = SdIoctl.BytesReturned; return( Status ); }