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https://github.com/reactos/reactos.git
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- Remove obsolete code
- Fix closing of virtual audio devices introduced 43035 svn path=/trunk/; revision=43045
This commit is contained in:
Johannes Anderwald
parent
71333f2f32
commit
0a2995d3a6
1 changed files with 22 additions and 232 deletions
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@ -61,64 +61,7 @@ Pin_fnDeviceIoControl(
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return Status;
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}
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NTSTATUS
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NTAPI
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Pin_fnRead(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PDISPATCH_CONTEXT Context;
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PIO_STACK_LOCATION IoStack;
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ULONG BytesReturned;
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PFILE_OBJECT FileObject;
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NTSTATUS Status;
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/* Get current stack location */
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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/* The dispatch context is stored in the FsContext member */
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Context = (PDISPATCH_CONTEXT)IoStack->FileObject->FsContext;
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/* Sanity check */
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ASSERT(Context);
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/* acquire real pin file object */
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Status = ObReferenceObjectByHandle(Context->Handle, GENERIC_WRITE, IoFileObjectType, KernelMode, (PVOID*)&FileObject, NULL);
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if (!NT_SUCCESS(Status))
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{
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Irp->IoStatus.Information = 0;
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Irp->IoStatus.Status = Status;
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/* Complete the irp */
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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/* Re-dispatch the request to the real target pin */
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Status = KsSynchronousIoControlDevice(FileObject, KernelMode, IOCTL_KS_READ_STREAM,
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MmGetMdlVirtualAddress(Irp->MdlAddress),
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IoStack->Parameters.Read.Length,
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NULL,
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0,
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&BytesReturned);
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/* release file object */
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ObDereferenceObject(FileObject);
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if (Context->hMixerPin)
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{
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// FIXME
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// call kmixer to convert stream
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UNIMPLEMENTED
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}
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/* Save status and information */
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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/* Complete the irp */
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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/* Done */
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return Status;
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}
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NTSTATUS
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NTAPI
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@ -129,13 +72,14 @@ Pin_fnWrite(
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PDISPATCH_CONTEXT Context;
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PIO_STACK_LOCATION IoStack;
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PFILE_OBJECT FileObject;
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PVOID Buffer;
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NTSTATUS Status;
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ULONG BytesReturned;
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ULONG Length;
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/* Get current stack location */
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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Length = IoStack->Parameters.Write.Length;
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/* The dispatch context is stored in the FsContext member */
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Context = (PDISPATCH_CONTEXT)IoStack->FileObject->FsContext;
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@ -153,6 +97,7 @@ Pin_fnWrite(
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Status = ObReferenceObjectByHandle(Context->Handle, GENERIC_WRITE, IoFileObjectType, KernelMode, (PVOID*)&FileObject, NULL);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("failed\n");
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Irp->IoStatus.Information = 0;
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Irp->IoStatus.Status = Status;
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/* Complete the irp */
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@ -160,112 +105,19 @@ Pin_fnWrite(
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return Status;
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}
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Buffer = MmGetSystemAddressForMdlSafe(Irp->MdlAddress, NormalPagePriority);
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/* skip current irp location */
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IoSkipCurrentIrpStackLocation(Irp);
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if (!Buffer)
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{
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/* insufficient resources */
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Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
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/* Complete the irp */
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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/* get next stack location */
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IoStack = IoGetNextIrpStackLocation(Irp);
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/* store file object of next device object */
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IoStack->FileObject = FileObject;
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IoStack->MajorFunction = IRP_MJ_DEVICE_CONTROL;
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IoStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_KS_WRITE_STREAM; //FIXME
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IoStack->Parameters.DeviceIoControl.OutputBufferLength = Length;
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/* call the portcls audio pin */
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Status = KsSynchronousIoControlDevice(FileObject, KernelMode, IOCTL_KS_WRITE_STREAM,
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NULL,
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0,
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Buffer,
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IoStack->Parameters.Write.Length,
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&BytesReturned);
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/* Release file object */
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ObDereferenceObject(FileObject);
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/* Save status and information */
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = BytesReturned;
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/* Complete the irp */
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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/* Done */
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return Status;
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}
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NTSTATUS
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NTAPI
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Pin_fnFlush(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PDISPATCH_CONTEXT Context;
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PIO_STACK_LOCATION IoStack;
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PDEVICE_OBJECT PinDeviceObject;
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PIRP PinIrp;
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PFILE_OBJECT FileObject;
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IO_STATUS_BLOCK IoStatus;
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KEVENT Event;
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NTSTATUS Status = STATUS_UNSUCCESSFUL;
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/* Get current stack location */
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IoStack = IoGetCurrentIrpStackLocation(Irp);
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/* The dispatch context is stored in the FsContext member */
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Context = (PDISPATCH_CONTEXT)IoStack->FileObject->FsContext;
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/* Sanity check */
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ASSERT(Context);
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/* acquire real pin file object */
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Status = ObReferenceObjectByHandle(Context->Handle, GENERIC_WRITE, IoFileObjectType, KernelMode, (PVOID*)&FileObject, NULL);
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if (!NT_SUCCESS(Status))
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{
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Irp->IoStatus.Information = 0;
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Irp->IoStatus.Status = Status;
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/* Complete the irp */
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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/* Get Pin's device object */
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PinDeviceObject = IoGetRelatedDeviceObject(FileObject);
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/* release file object */
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ObDereferenceObject(FileObject);
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/* Initialize notification event */
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KeInitializeEvent(&Event, NotificationEvent, FALSE);
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/* build target irp */
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PinIrp = IoBuildSynchronousFsdRequest(IRP_MJ_FLUSH_BUFFERS, PinDeviceObject, NULL, 0, NULL, &Event, &IoStatus);
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if (PinIrp)
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{
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/* Get the next stack location */
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IoStack = IoGetNextIrpStackLocation(PinIrp);
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/* The file object must be present in the irp as it contains the KSOBJECT_HEADER */
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IoStack->FileObject = FileObject;
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/* call the driver */
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Status = IoCallDriver(PinDeviceObject, PinIrp);
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/* Has request already completed ? */
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if (Status == STATUS_PENDING)
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{
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/* Wait untill the request has completed */
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KeWaitForSingleObject(&Event, UserRequest, KernelMode, FALSE, NULL);
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/* Update status */
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Status = IoStatus.Status;
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}
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}
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/* store status */
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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/* Complete the irp */
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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/* Done */
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return Status;
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/* now call the driver */
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return IoCallDriver(IoGetRelatedDeviceObject(FileObject), Irp);
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}
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NTSTATUS
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@ -299,68 +151,6 @@ Pin_fnClose(
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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Pin_fnQuerySecurity(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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DPRINT("Pin_fnQuerySecurity called DeviceObject %p Irp %p\n", DeviceObject);
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Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_UNSUCCESSFUL;
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}
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NTSTATUS
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NTAPI
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Pin_fnSetSecurity(
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PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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DPRINT("Pin_fnSetSecurity called DeviceObject %p Irp %p\n", DeviceObject);
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Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_UNSUCCESSFUL;
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}
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BOOLEAN
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NTAPI
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Pin_fnFastDeviceIoControl(
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PFILE_OBJECT FileObject,
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BOOLEAN Wait,
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PVOID InputBuffer,
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ULONG InputBufferLength,
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PVOID OutputBuffer,
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ULONG OutputBufferLength,
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ULONG IoControlCode,
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PIO_STATUS_BLOCK IoStatus,
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PDEVICE_OBJECT DeviceObject)
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{
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return FALSE;
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}
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BOOLEAN
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NTAPI
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Pin_fnFastRead(
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PFILE_OBJECT FileObject,
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PLARGE_INTEGER FileOffset,
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ULONG Length,
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BOOLEAN Wait,
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ULONG LockKey,
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PVOID Buffer,
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PIO_STATUS_BLOCK IoStatus,
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PDEVICE_OBJECT DeviceObject)
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{
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return FALSE;
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}
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BOOLEAN
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NTAPI
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Pin_fnFastWrite(
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@ -404,7 +194,7 @@ Pin_fnFastWrite(
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Status = KsStreamIo(RealFileObject, NULL, NULL, NULL, NULL, 0, IoStatus, Buffer, Length, KSSTREAM_WRITE, UserMode);
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//ObDereferenceObject(RealFileObject);
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ObDereferenceObject(RealFileObject);
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if (NT_SUCCESS(Status))
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return TRUE;
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@ -415,14 +205,14 @@ Pin_fnFastWrite(
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static KSDISPATCH_TABLE PinTable =
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{
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Pin_fnDeviceIoControl,
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Pin_fnRead,
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KsDispatchInvalidDeviceRequest,
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Pin_fnWrite,
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Pin_fnFlush,
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KsDispatchInvalidDeviceRequest,
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Pin_fnClose,
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Pin_fnQuerySecurity,
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Pin_fnSetSecurity,
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Pin_fnFastDeviceIoControl,
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Pin_fnFastRead,
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KsDispatchInvalidDeviceRequest,
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KsDispatchInvalidDeviceRequest,
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KsDispatchFastIoDeviceControlFailure,
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KsDispatchFastReadFailure,
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Pin_fnFastWrite,
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};
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