[ros-diffs] [janderwald] 39877: - Start implementing kmixer
janderwald at svn.reactos.org
janderwald at svn.reactos.org
Wed Mar 4 22:13:11 CET 2009
Author: janderwald
Date: Thu Mar 5 00:13:10 2009
New Revision: 39877
URL: http://svn.reactos.org/svn/reactos?rev=39877&view=rev
Log:
- Start implementing kmixer
Added:
trunk/reactos/drivers/wdm/audio/filters/directory.rbuild (with props)
trunk/reactos/drivers/wdm/audio/filters/kmixer/filter.c (with props)
trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.c (with props)
trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.h (with props)
trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.rbuild (with props)
trunk/reactos/drivers/wdm/audio/filters/kmixer/pin.c (with props)
Modified:
trunk/reactos/drivers/wdm/audio/directory.rbuild
Modified: trunk/reactos/drivers/wdm/audio/directory.rbuild
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/directory.rbuild?rev=39877&r1=39876&r2=39877&view=diff
==============================================================================
--- trunk/reactos/drivers/wdm/audio/directory.rbuild [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/directory.rbuild [iso-8859-1] Thu Mar 5 00:13:10 2009
@@ -10,6 +10,9 @@
<directory name="drm">
<xi:include href="drm/directory.rbuild" />
</directory>
+ <directory name="filters">
+ <xi:include href="filters/directory.rbuild" />
+ </directory>
<directory name="legacy">
<xi:include href="legacy/directory.rbuild" />
</directory>
Added: trunk/reactos/drivers/wdm/audio/filters/directory.rbuild
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/filters/directory.rbuild?rev=39877&view=auto
==============================================================================
--- trunk/reactos/drivers/wdm/audio/filters/directory.rbuild (added)
+++ trunk/reactos/drivers/wdm/audio/filters/directory.rbuild [iso-8859-1] Thu Mar 5 00:13:10 2009
@@ -1,0 +1,7 @@
+<?xml version="1.0"?>
+<!DOCTYPE group SYSTEM "../../../../tools/rbuild/project.dtd">
+<group xmlns:xi="http://www.w3.org/2001/XInclude">
+ <directory name="kmixer">
+ <xi:include href="kmixer/kmixer.rbuild" />
+ </directory>
+</group>
Propchange: trunk/reactos/drivers/wdm/audio/filters/directory.rbuild
------------------------------------------------------------------------------
svn:eol-style = native
Added: trunk/reactos/drivers/wdm/audio/filters/kmixer/filter.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/filters/kmixer/filter.c?rev=39877&view=auto
==============================================================================
--- trunk/reactos/drivers/wdm/audio/filters/kmixer/filter.c (added)
+++ trunk/reactos/drivers/wdm/audio/filters/kmixer/filter.c [iso-8859-1] Thu Mar 5 00:13:10 2009
@@ -1,0 +1,254 @@
+/*
+ * COPYRIGHT: See COPYING in the top level directory
+ * PROJECT: ReactOS Kernel Streaming
+ * FILE: drivers/wdm/audio/filters/kmixer/filter.c
+ * PURPOSE: Filter File Context Header header
+ * PROGRAMMER: Johannes Anderwald
+ */
+
+#include "kmixer.h"
+
+NTSTATUS
+NTAPI
+Dispatch_fnDeviceIoControl(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+ PIO_STACK_LOCATION IoStack;
+
+ IoStack = IoGetCurrentIrpStackLocation(Irp);
+
+ DPRINT1("Dispatch_fnDeviceIoControl Unhandeled %x\n", IoStack->Parameters.DeviceIoControl.IoControlCode);
+ DbgBreakPoint();
+
+ Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS
+NTAPI
+Dispatch_fnRead(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+ DPRINT1("Dispatch_fnRead called DeviceObject %p Irp %p\n", DeviceObject);
+
+ Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS
+NTAPI
+Dispatch_fnWrite(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+ DPRINT1("Dispatch_fnWrite called DeviceObject %p Irp %p\n", DeviceObject);
+
+ Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS
+NTAPI
+Dispatch_fnFlush(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+ DPRINT1("Dispatch_fnFlush called DeviceObject %p Irp %p\n", DeviceObject);
+ //FIXME
+ // cleanup resources
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+NTAPI
+Dispatch_fnClose(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+ DPRINT1("Dispatch_fnClose called DeviceObject %p Irp %p\n", DeviceObject);
+
+ //FIXME
+ // cleanup resources
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+NTAPI
+Dispatch_fnQuerySecurity(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+ DPRINT1("Dispatch_fnQuerySecurity called DeviceObject %p Irp %p\n", DeviceObject);
+
+ Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS
+NTAPI
+Dispatch_fnSetSecurity(
+ PDEVICE_OBJECT DeviceObject,
+ PIRP Irp)
+{
+
+ DPRINT1("Dispatch_fnSetSecurity called DeviceObject %p Irp %p\n", DeviceObject);
+
+ Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return STATUS_UNSUCCESSFUL;
+}
+
+BOOLEAN
+NTAPI
+Dispatch_fnFastDeviceIoControl(
+ PFILE_OBJECT FileObject,
+ BOOLEAN Wait,
+ PVOID InputBuffer,
+ ULONG InputBufferLength,
+ PVOID OutputBuffer,
+ ULONG OutputBufferLength,
+ ULONG IoControlCode,
+ PIO_STATUS_BLOCK IoStatus,
+ PDEVICE_OBJECT DeviceObject)
+{
+ DPRINT1("Dispatch_fnFastDeviceIoControl called DeviceObject %p Irp %p\n", DeviceObject);
+
+
+ return FALSE;
+}
+
+
+BOOLEAN
+NTAPI
+Dispatch_fnFastRead(
+ PFILE_OBJECT FileObject,
+ PLARGE_INTEGER FileOffset,
+ ULONG Length,
+ BOOLEAN Wait,
+ ULONG LockKey,
+ PVOID Buffer,
+ PIO_STATUS_BLOCK IoStatus,
+ PDEVICE_OBJECT DeviceObject)
+{
+ DPRINT1("Dispatch_fnFastRead called DeviceObject %p Irp %p\n", DeviceObject);
+
+ return FALSE;
+
+}
+
+BOOLEAN
+NTAPI
+Dispatch_fnFastWrite(
+ PFILE_OBJECT FileObject,
+ PLARGE_INTEGER FileOffset,
+ ULONG Length,
+ BOOLEAN Wait,
+ ULONG LockKey,
+ PVOID Buffer,
+ PIO_STATUS_BLOCK IoStatus,
+ PDEVICE_OBJECT DeviceObject)
+{
+ DPRINT1("Dispatch_fnFastWrite called DeviceObject %p Irp %p\n", DeviceObject);
+
+ return FALSE;
+}
+
+static KSDISPATCH_TABLE DispatchTable =
+{
+ Dispatch_fnDeviceIoControl,
+ Dispatch_fnRead,
+ Dispatch_fnWrite,
+ Dispatch_fnFlush,
+ Dispatch_fnClose,
+ Dispatch_fnQuerySecurity,
+ Dispatch_fnSetSecurity,
+ Dispatch_fnFastDeviceIoControl,
+ Dispatch_fnFastRead,
+ Dispatch_fnFastWrite,
+};
+
+NTSTATUS
+NTAPI
+DispatchCreateKMix(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ NTSTATUS Status;
+ KSOBJECT_HEADER ObjectHeader;
+ PIO_STACK_LOCATION IoStatus;
+ LPWSTR Buffer;
+
+ static LPWSTR KS_NAME_PIN = L"{146F1A80-4791-11D0-A5D6-28DB04C10000}";
+
+ IoStatus = IoGetCurrentIrpStackLocation(Irp);
+ Buffer = IoStatus->FileObject->FileName.Buffer;
+
+ DPRINT1("DispatchCreateKMix entered\n");
+
+ if (Buffer)
+ {
+ /* is the request for a new pin */
+ if (!wcsncmp(KS_NAME_PIN, Buffer, wcslen(KS_NAME_PIN)))
+ {
+ UNIMPLEMENTED
+ Status = STATUS_UNSUCCESSFUL;
+
+ Irp->IoStatus.Information = 0;
+ Irp->IoStatus.Status = Status;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return Status;
+ }
+ }
+
+ /* allocate object header */
+ Status = KsAllocateObjectHeader(&ObjectHeader, 0, NULL, Irp, &DispatchTable);
+
+ DPRINT1("KsAllocateObjectHeader result %x\n", Status);
+ /* complete the irp */
+ Irp->IoStatus.Information = 0;
+ Irp->IoStatus.Status = Status;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ return Status;
+}
+
+NTSTATUS
+NTAPI
+KMixAllocateDeviceHeader(
+ IN PKMIXER_DEVICE_EXT DeviceExtension)
+{
+ NTSTATUS Status;
+ PKSOBJECT_CREATE_ITEM CreateItem;
+
+ /* allocate create item */
+ CreateItem = ExAllocatePool(NonPagedPool, sizeof(KSOBJECT_CREATE_ITEM));
+ if (!CreateItem)
+ return STATUS_INSUFFICIENT_RESOURCES;
+
+ /* initialize create item struct */
+ RtlZeroMemory(CreateItem, sizeof(KSOBJECT_CREATE_ITEM));
+ CreateItem->Create = DispatchCreateKMix;
+ RtlInitUnicodeString(&CreateItem->ObjectClass, L"KMixer");
+
+ Status = KsAllocateDeviceHeader(&DeviceExtension->KsDeviceHeader,
+ 1,
+ CreateItem);
+ return Status;
+}
+
Propchange: trunk/reactos/drivers/wdm/audio/filters/kmixer/filter.c
------------------------------------------------------------------------------
svn:eol-style = native
Added: trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.c?rev=39877&view=auto
==============================================================================
--- trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.c (added)
+++ trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.c [iso-8859-1] Thu Mar 5 00:13:10 2009
@@ -1,0 +1,112 @@
+/*
+ * PROJECT: ReactOS Kernel Streaming Mixer
+ * LICENSE: GPL - See COPYING in the top level directory
+ * FILE: drivers/wdm/audio/filters/kmixer/kmixer.c
+ * PURPOSE: main entry point
+ * PROGRAMMERS: Johannes Anderwald (janderwald at reactos.org)
+ */
+
+#include "kmixer.h"
+
+NTSTATUS
+NTAPI
+KMix_Pnp(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PIO_STACK_LOCATION IrpStack;
+
+ IrpStack = IoGetCurrentIrpStackLocation(Irp);
+
+ DPRINT("KMix_Pnp called for func %x\n", IrpStack->MinorFunction);
+
+ if (IrpStack->MinorFunction == IRP_MN_QUERY_PNP_DEVICE_STATE)
+ {
+ Irp->IoStatus.Information |= PNP_DEVICE_NOT_DISABLEABLE;
+ }
+
+ return KsDefaultDispatchPnp(DeviceObject, Irp);
+}
+
+VOID
+NTAPI
+KMix_Unload(IN PDRIVER_OBJECT DriverObject)
+{
+ DPRINT1("SysAudio_Unload called\n");
+}
+
+NTSTATUS
+NTAPI
+KMix_InstallDevice(
+ IN PDRIVER_OBJECT DriverObject)
+{
+ NTSTATUS Status;
+ UNICODE_STRING DeviceName = RTL_CONSTANT_STRING(L"\\Device\\kmixer");
+ PDEVICE_OBJECT DeviceObject;
+ PKMIXER_DEVICE_EXT DeviceExtension;
+
+ DPRINT1("KMix_InstallDevice called\n");
+
+ /* create the device */
+ Status = IoCreateDevice(DriverObject,
+ sizeof(KMIXER_DEVICE_EXT),
+ &DeviceName,
+ FILE_DEVICE_KS,
+ 0,
+ FALSE,
+ &DeviceObject);
+
+ /* check for success */
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("Failed to create \\Device\\kmixer !\n");
+ return Status;
+ }
+
+ DeviceExtension = (PKMIXER_DEVICE_EXT)DeviceObject->DeviceExtension;
+ /* initialize device extension */
+ RtlZeroMemory(DeviceExtension, sizeof(KMIXER_DEVICE_EXT));
+
+
+ Status = KMixAllocateDeviceHeader(DeviceExtension);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("KMixAllocateDeviceHeader failed with %x\n", Status);
+ goto cleanup;
+ }
+
+ /* set io flags */
+ DeviceObject->Flags |= DO_DIRECT_IO | DO_POWER_PAGABLE;
+ /* clear initializing flag */
+ DeviceObject->Flags &= ~ DO_DEVICE_INITIALIZING;
+
+ DPRINT("KMix_InstallDevice result %x\n", Status);
+ return STATUS_SUCCESS;
+
+cleanup:
+
+ IoDeleteDevice(DeviceObject);
+ return Status;
+}
+
+
+NTSTATUS
+NTAPI
+DriverEntry(
+ PDRIVER_OBJECT DriverObject,
+ PUNICODE_STRING RegistryPathName)
+{
+ DPRINT1("KMixer.sys loaded\n");
+
+ KsSetMajorFunctionHandler(DriverObject, IRP_MJ_CREATE);
+ KsSetMajorFunctionHandler(DriverObject, IRP_MJ_CLOSE);
+ KsSetMajorFunctionHandler(DriverObject, IRP_MJ_WRITE);
+ KsSetMajorFunctionHandler(DriverObject, IRP_MJ_DEVICE_CONTROL);
+
+ DriverObject->MajorFunction[IRP_MJ_POWER] = KsDefaultDispatchPower;
+ DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = KsDefaultForwardIrp;
+ DriverObject->MajorFunction[IRP_MJ_PNP] = KMix_Pnp;
+ DriverObject->DriverUnload = KMix_Unload;
+
+ return KMix_InstallDevice(DriverObject);
+}
Propchange: trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.c
------------------------------------------------------------------------------
svn:eol-style = native
Added: trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.h?rev=39877&view=auto
==============================================================================
--- trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.h (added)
+++ trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.h [iso-8859-1] Thu Mar 5 00:13:10 2009
@@ -1,0 +1,27 @@
+#ifndef KMIXER_H__
+#define KMIXER_H__
+
+#include <ntddk.h>
+#include <portcls.h>
+#include <ks.h>
+#include <ksmedia.h>
+#define YDEBUG
+#include <debug.h>
+
+#include <samplerate.h>
+#include <float_cast.h>
+
+typedef struct
+{
+ KSDEVICE_HEADER KsDeviceHeader;
+
+
+}KMIXER_DEVICE_EXT, *PKMIXER_DEVICE_EXT;
+
+NTSTATUS
+NTAPI
+KMixAllocateDeviceHeader(
+ IN PKMIXER_DEVICE_EXT DeviceExtension);
+
+
+#endif
Propchange: trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.h
------------------------------------------------------------------------------
svn:eol-style = native
Added: trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.rbuild
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.rbuild?rev=39877&view=auto
==============================================================================
--- trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.rbuild (added)
+++ trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.rbuild [iso-8859-1] Thu Mar 5 00:13:10 2009
@@ -1,0 +1,15 @@
+<?xml version="1.0"?>
+<!DOCTYPE module SYSTEM "../../../../../tools/rbuild/project.dtd">
+<module name="kmixer" type="kernelmodedriver" installbase="system32/drivers" installname="kmixer.sys">
+ <include base="kmixer">.</include>
+ <include base="libsamplerate">.</include>
+ <library>ntoskrnl</library>
+ <library>ks</library>
+ <library>rtl</library>
+ <library>hal</library>
+ <library>libcntpr</library>
+ <library>libsamplerate</library>
+ <file>kmixer.c</file>
+ <file>filter.c</file>
+ <file>pin.c</file>
+</module>
Propchange: trunk/reactos/drivers/wdm/audio/filters/kmixer/kmixer.rbuild
------------------------------------------------------------------------------
svn:eol-style = native
Added: trunk/reactos/drivers/wdm/audio/filters/kmixer/pin.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/filters/kmixer/pin.c?rev=39877&view=auto
==============================================================================
--- trunk/reactos/drivers/wdm/audio/filters/kmixer/pin.c (added)
+++ trunk/reactos/drivers/wdm/audio/filters/kmixer/pin.c [iso-8859-1] Thu Mar 5 00:13:10 2009
@@ -1,0 +1,185 @@
+/*
+ * PROJECT: ReactOS Kernel Streaming Mixer
+ * LICENSE: GPL - See COPYING in the top level directory
+ * FILE: drivers/wdm/audio/filters/kmixer/kmixer.c
+ * PURPOSE: Pin functions
+ * PROGRAMMERS: Johannes Anderwald (janderwald at reactos.org)
+ */
+
+#include "kmixer.h"
+
+
+
+NTSTATUS
+PerformSampleRateConversion(
+ PUCHAR Buffer,
+ ULONG BufferLength,
+ ULONG OldRate,
+ ULONG NewRate,
+ ULONG BytesPerSample,
+ ULONG NumChannels,
+ PVOID * Result,
+ PULONG ResultLength)
+{
+ KFLOATING_SAVE FloatSave;
+ NTSTATUS Status;
+ ULONG Index;
+ SRC_STATE * State;
+ SRC_DATA Data;
+ PUCHAR ResultOut;
+ int error;
+ PFLOAT FloatIn, FloatOut;
+ ULONG NumSamples;
+ ULONG NewSamples;
+
+ /* first acquire float save context */
+ Status = KeSaveFloatingPointState(&FloatSave);
+
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("KeSaveFloatingPointState failed with %x\n", Status);
+ return Status;
+ }
+
+ NumSamples = BufferLength / BytesPerSample;
+
+ FloatIn = ExAllocatePool(NonPagedPool, NumSamples * sizeof(FLOAT));
+ if (!FloatIn)
+ {
+ KeRestoreFloatingPointState(&FloatSave);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ NewSamples = lrintf(((FLOAT)NumSamples * ((FLOAT)OldRate / (FLOAT)NewRate))) + 1;
+
+ FloatOut = ExAllocatePool(NonPagedPool, NewSamples * sizeof(FLOAT));
+ if (!FloatOut)
+ {
+ ExFreePool(FloatIn);
+ KeRestoreFloatingPointState(&FloatSave);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ ResultOut = ExAllocatePool(NonPagedPool, NewRate * BytesPerSample * NumChannels);
+ if (!FloatOut)
+ {
+ ExFreePool(FloatIn);
+ ExFreePool(FloatOut);
+ KeRestoreFloatingPointState(&FloatSave);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ State = src_new(SRC_LINEAR, NumChannels, &error);
+ if (!State)
+ {
+ DPRINT1("KeSaveFloatingPointState failed with %x\n", Status);
+ KeRestoreFloatingPointState(&FloatSave);
+ ExFreePool(FloatIn);
+ ExFreePool(FloatOut);
+ ExFreePool(ResultOut);
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ /* fixme use asm */
+ if (BytesPerSample == 1)
+ {
+ for(Index = 0; Index < NumSamples; Index++)
+ FloatIn[Index] = (float)Buffer[Index];
+ }
+ else if (BytesPerSample == 2)
+ {
+ PUSHORT Res = (PUSHORT)ResultOut;
+ for(Index = 0; Index < NumSamples; Index++)
+ FloatIn[Index] = (float)Res[Index];
+ }
+ else
+ {
+ UNIMPLEMENTED
+ KeRestoreFloatingPointState(&FloatSave);
+ ExFreePool(FloatIn);
+ ExFreePool(FloatOut);
+ ExFreePool(ResultOut);
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ Data.data_in = FloatIn;
+ Data.data_out = FloatOut;
+ Data.input_frames = NumSamples;
+ Data.output_frames = NewSamples;
+ Data.src_ratio = (double)NewRate / (double)OldRate;
+
+ error = src_process(State, &Data);
+ if (error)
+ {
+ DPRINT1("src_process failed with %x\n", error);
+ KeRestoreFloatingPointState(&FloatSave);
+ ExFreePool(FloatIn);
+ ExFreePool(FloatOut);
+ ExFreePool(ResultOut);
+ return STATUS_UNSUCCESSFUL;
+ }
+
+ if (BytesPerSample == 1)
+ {
+ for(Index = 0; Index < Data.output_frames_gen; Index++)
+ ResultOut[Index] = lrintf(FloatOut[Index]);
+ }
+ else if (BytesPerSample == 2)
+ {
+ PUSHORT Res = (PUSHORT)ResultOut;
+ for(Index = 0; Index < Data.output_frames_gen; Index++)
+ Res[Index] = lrintf(FloatOut[Index]);
+ }
+
+ *Result = ResultOut;
+ *ResultLength = NewRate * BytesPerSample * NumChannels;
+ ExFreePool(FloatIn);
+ ExFreePool(FloatOut);
+ KeRestoreFloatingPointState(&FloatSave);
+ return STATUS_SUCCESS;
+}
+
+
+void * calloc(size_t Elements, size_t ElementSize)
+{
+ PVOID Block = ExAllocatePool(NonPagedPool, Elements * ElementSize);
+ if (Block)
+ RtlZeroMemory(Block, Elements * ElementSize);
+
+ return Block;
+}
+
+void free(PVOID Block)
+{
+ ExFreePool(Block);
+}
+
+void *memset(
+ void* dest,
+ int c,
+ size_t count)
+{
+ RtlFillMemory(dest, count, c);
+ return dest;
+}
+
+void * memcpy(
+ void* dest,
+ const void* src,
+ size_t count)
+{
+ RtlCopyMemory(dest, src, count);
+ return dest;
+}
+
+void *memmove(
+ void* dest,
+ const void* src,
+ size_t count)
+{
+ RtlMoveMemory(dest, src, count);
+ return dest;
+}
+
+
+
Propchange: trunk/reactos/drivers/wdm/audio/filters/kmixer/pin.c
------------------------------------------------------------------------------
svn:eol-style = native
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