[janderwald] 42759: [WDMAUD.DRV] - Disable traces - Use device name from IOCTL [WDMAUD_KERNEL] - Implement retrieving devicename by looking up in the registry [SYSAUDIO] - Implement KSPROPERTY_SYSAUDIO_DEVICE_INTERFACE_NAME - Audio CPL should now show correct audio device name

Author: janderwald
Date: Mon Aug 17 19:23:35 2009
New Revision: 42759

URL: http://svn.reactos.org/svn/reactos?rev=42759&view=rev
Log:
[WDMAUD.DRV]
- Disable traces
- Use device name from IOCTL
[WDMAUD_KERNEL]
- Implement retrieving devicename by looking up in the registry
[SYSAUDIO]
- Implement KSPROPERTY_SYSAUDIO_DEVICE_INTERFACE_NAME
- Audio CPL should now show correct audio device name

Modified:
    trunk/reactos/dll/win32/wdmaud.drv/mixer.c
    trunk/reactos/dll/win32/wdmaud.drv/wdmaud.c
    trunk/reactos/drivers/wdm/audio/legacy/wdmaud/control.c
    trunk/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
    trunk/reactos/drivers/wdm/audio/sysaudio/control.c

Modified: trunk/reactos/dll/win32/wdmaud.drv/mixer.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/wdmaud.drv/mixer…
==============================================================================
--- trunk/reactos/dll/win32/wdmaud.drv/mixer.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/wdmaud.drv/mixer.c [iso-8859-1] Mon Aug 17 19:23:35 2009
@@ -43,7 +43,7 @@
     ULONG NumSamples;
     ULONG NewSamples;
 
-    SND_TRACE(L"PerformSampleRateConversion OldRate %u NewRate %u BytesPerSample %u
NumChannels %u\n", OldRate, NewRate, BytesPerSample, NumChannels);
+    //SND_TRACE(L"PerformSampleRateConversion OldRate %u NewRate %u BytesPerSample
%u NumChannels %u\n", OldRate, NewRate, BytesPerSample, NumChannels);
 
     ASSERT(BytesPerSample == 1 || BytesPerSample == 2 || BytesPerSample == 4);
 
@@ -281,7 +281,7 @@
     Samples = BufferLength / (OldWidth / 8);
     //DPRINT("Samples %u BufferLength %u\n", Samples, BufferLength);
 
-    SND_TRACE(L"PerformQualityConversion OldWidth %u NewWidth %u\n", OldWidth,
NewWidth);
+    //SND_TRACE(L"PerformQualityConversion OldWidth %u NewWidth %u\n",
OldWidth, NewWidth);
 
     if (OldWidth == 8 && NewWidth == 16)
     {
@@ -292,7 +292,7 @@
 
           for(Index = 0; Index < Samples; Index++)
           {
-              Sample = Buffer[Index];
+              Sample = Buffer[Index];// & 0xFF);
               Sample *= 2;
 #ifdef _X86_
               Sample = _byteswap_ushort(Sample);

Modified: trunk/reactos/dll/win32/wdmaud.drv/wdmaud.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/wdmaud.drv/wdmau…
==============================================================================
--- trunk/reactos/dll/win32/wdmaud.drv/wdmaud.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/wdmaud.drv/wdmaud.c [iso-8859-1] Mon Aug 17 19:23:35 2009
@@ -120,6 +120,7 @@
         return TranslateInternalMmResult(Result);
     }
 
+    SND_TRACE(L"WDMAUD Name %S\n", DeviceInfo.u.WaveOutCaps.szPname);
 
     /* This is pretty much a big hack right now */
     switch ( DeviceType )
@@ -131,7 +132,7 @@
             WaveOutCaps->wPid = DeviceInfo.u.WaveOutCaps.wPid;
 
             WaveOutCaps->vDriverVersion = 0x0001;
-            CopyWideString(WaveOutCaps->szPname, UnknownWaveOut);
+            CopyWideString(WaveOutCaps->szPname, DeviceInfo.u.WaveOutCaps.szPname);
 
             WaveOutCaps->dwFormats = DeviceInfo.u.WaveOutCaps.dwFormats;
             WaveOutCaps->wChannels = DeviceInfo.u.WaveOutCaps.wChannels;
@@ -141,7 +142,7 @@
         case WAVE_IN_DEVICE_TYPE :
         {
             LPWAVEINCAPS WaveInCaps = (LPWAVEINCAPS) Capabilities;
-            CopyWideString(WaveInCaps->szPname, UnknownWaveIn);
+            CopyWideString(WaveInCaps->szPname, DeviceInfo.u.WaveOutCaps.szPname);
             /* TODO... other fields */
             break;
         }

Modified: trunk/reactos/drivers/wdm/audio/legacy/wdmaud/control.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/legacy/w…
==============================================================================
--- trunk/reactos/drivers/wdm/audio/legacy/wdmaud/control.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/legacy/wdmaud/control.c [iso-8859-1] Mon Aug 17
19:23:35 2009
@@ -468,6 +468,212 @@
 
 }
 
+PKEY_VALUE_PARTIAL_INFORMATION
+ReadKeyValue(
+    IN HANDLE hSubKey,
+    IN PUNICODE_STRING KeyName)
+{
+    NTSTATUS Status;
+    ULONG Length;
+    PKEY_VALUE_PARTIAL_INFORMATION PartialInformation;
+
+    /* now query MatchingDeviceId key */
+    Status = ZwQueryValueKey(hSubKey, KeyName, KeyValuePartialInformation, NULL, 0,
&Length);
+
+    /* check for success */
+    if (Status != STATUS_BUFFER_TOO_SMALL)
+        return NULL;
+
+    /* allocate a buffer for key data */
+    PartialInformation = ExAllocatePool(NonPagedPool, Length);
+
+    if (!PartialInformation)
+        return NULL;
+
+
+    /* now query MatchingDeviceId key */
+    Status = ZwQueryValueKey(hSubKey, KeyName, KeyValuePartialInformation,
PartialInformation, Length, &Length);
+
+    /* check for success */
+    if (!NT_SUCCESS(Status))
+    {
+        ExFreePool(PartialInformation);
+        return NULL;
+    }
+
+    if (PartialInformation->Type != REG_SZ)
+    {
+        /* invalid key type */
+        ExFreePool(PartialInformation);
+        return NULL;
+    }
+
+    return PartialInformation;
+}
+
+
+NTSTATUS
+CompareProductName(
+    IN HANDLE hSubKey,
+    IN LPWSTR PnpName,
+    IN ULONG ProductNameSize,
+    OUT LPWSTR ProductName)
+{
+    PKEY_VALUE_PARTIAL_INFORMATION PartialInformation;
+    UNICODE_STRING DriverDescName = RTL_CONSTANT_STRING(L"DriverDesc");
+    UNICODE_STRING MatchingDeviceIdName =
RTL_CONSTANT_STRING(L"MatchingDeviceId");
+    ULONG Length;
+    LPWSTR DeviceName;
+
+    /* read MatchingDeviceId value */
+    PartialInformation = ReadKeyValue(hSubKey, &MatchingDeviceIdName);
+
+    if (!PartialInformation)
+        return STATUS_UNSUCCESSFUL;
+
+
+    /* extract last '&' */
+    DeviceName = wcsrchr((LPWSTR)PartialInformation->Data, L'&');
+    ASSERT(DeviceName);
+    /* terminate it */
+    DeviceName[0] = L'\0';
+
+    Length = wcslen((LPWSTR)PartialInformation->Data);
+
+    DPRINT("DeviceName %S PnpName %S Length %u\n",
(LPWSTR)PartialInformation->Data, PnpName, Length);
+
+    if (_wcsnicmp((LPWSTR)PartialInformation->Data, &PnpName[4], Length))
+    {
+        ExFreePool(PartialInformation);
+        return STATUS_NO_MATCH;
+    }
+
+    /* free buffer */
+    ExFreePool(PartialInformation);
+
+    /* read DriverDescName value */
+    PartialInformation = ReadKeyValue(hSubKey, &DriverDescName);
+
+    /* copy key name */
+    Length = min(ProductNameSize * sizeof(WCHAR), PartialInformation->DataLength);
+    RtlMoveMemory(ProductName, (PVOID)PartialInformation->Data, Length);
+
+    /* zero terminate it */
+    ProductName[ProductNameSize-1] = L'\0';
+
+    /* free buffer */
+    ExFreePool(PartialInformation);
+
+    return STATUS_SUCCESS;
+}
+
+
+
+NTSTATUS
+FindProductName(
+    IN LPWSTR PnpName,
+    IN ULONG ProductNameSize,
+    OUT LPWSTR ProductName)
+{
+    UNICODE_STRING KeyName =
RTL_CONSTANT_STRING(L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Class\\{4D36E96C-E325-11CE-BFC1-08002BE10318}");
+
+    UNICODE_STRING SubKeyName;
+    WCHAR SubKey[20];
+    OBJECT_ATTRIBUTES ObjectAttributes;
+    HANDLE hKey, hSubKey;
+    NTSTATUS Status;
+    ULONG Length, Index;
+    PKEY_FULL_INFORMATION KeyInformation;
+
+    for(Index = 0; Index < wcslen(PnpName); Index++)
+    {
+        if (PnpName[Index] == '#')
+            PnpName[Index] = L'\\';
+    }
+
+
+    /* initialize key attributes */
+    InitializeObjectAttributes(&ObjectAttributes, &KeyName, OBJ_CASE_INSENSITIVE
| OBJ_OPENIF, NULL, NULL);
+
+    /* open the key */
+    Status = ZwOpenKey(&hKey, GENERIC_READ, &ObjectAttributes);
+
+    /* check for success */
+    if (!NT_SUCCESS(Status))
+        return Status;
+
+    /* query num of subkeys */
+    Status = ZwQueryKey(hKey, KeyFullInformation, NULL, 0, &Length);
+
+    if (Status != STATUS_BUFFER_TOO_SMALL)
+    {
+        DPRINT1("ZwQueryKey failed with %x\n", Status);
+        /* failed */
+        ZwClose(hKey);
+        return Status;
+    }
+
+    /* allocate key information struct */
+    KeyInformation = ExAllocatePool(NonPagedPool, Length);
+    if (!KeyInformation)
+    {
+        /* no memory */
+        ZwClose(hKey);
+        return STATUS_INSUFFICIENT_RESOURCES;
+    }
+
+    /* query num of subkeys */
+    Status = ZwQueryKey(hKey, KeyFullInformation, (PVOID)KeyInformation, Length,
&Length);
+
+    if (!NT_SUCCESS(Status))
+    {
+        DPRINT1("ZwQueryKey failed with %x\n", Status);
+        ExFreePool(KeyInformation);
+        ZwClose(hKey);
+        return Status;
+    }
+
+    /* now iterate through all subkeys */
+    for(Index = 0; Index < KeyInformation->SubKeys; Index++)
+    {
+        /* subkeys are always in the format 0000-XXXX */
+        swprintf(SubKey, L"%04u", Index);
+
+        /* initialize subkey name */
+        RtlInitUnicodeString(&SubKeyName, SubKey);
+
+        /* initialize key attributes */
+        InitializeObjectAttributes(&ObjectAttributes, &SubKeyName,
OBJ_CASE_INSENSITIVE | OBJ_OPENIF, hKey, NULL);
+
+        /* open the sub key */
+        Status = ZwOpenKey(&hSubKey, GENERIC_READ, &ObjectAttributes);
+
+        /* check for success */
+        if (NT_SUCCESS(Status))
+        {
+            /* compare product name */
+            Status = CompareProductName(hSubKey, PnpName, ProductNameSize, ProductName);
+
+            /* close subkey */
+            ZwClose(hSubKey);
+
+            if (NT_SUCCESS(Status))
+                break;
+        }
+    }
+
+    /* free buffer */
+    ExFreePool(KeyInformation);
+
+    /* close key */
+    ZwClose(hKey);
+
+    /* no matching key found */
+    return Status;
+}
+
+
+
 NTSTATUS
 WdmAudCapabilities(
     IN  PDEVICE_OBJECT DeviceObject,
@@ -489,6 +695,7 @@
     ULONG dwSupport = 0;
     ULONG FilterId;
     ULONG PinId;
+    WCHAR DeviceName[MAX_PATH];
 
     DPRINT("WdmAudCapabilities entered\n");
 
@@ -512,6 +719,25 @@
     {
         DeviceInfo->u.WaveOutCaps.wMid = ComponentId.Manufacturer.Data1 - 0xd5a47fa7;
         DeviceInfo->u.WaveOutCaps.vDriverVersion = MAKELONG(ComponentId.Version,
ComponentId.Revision);
+    }
+
+    /* retrieve pnp base name */
+    PinProperty.PinId = FilterId;
+    PinProperty.Property.Set = KSPROPSETID_Sysaudio;
+    PinProperty.Property.Id = KSPROPERTY_SYSAUDIO_DEVICE_INTERFACE_NAME;
+    PinProperty.Property.Flags = KSPROPERTY_TYPE_GET;
+
+    Status = KsSynchronousIoControlDevice(DeviceExtension->FileObject, KernelMode,
IOCTL_KS_PROPERTY, (PVOID)&PinProperty, sizeof(KSP_PIN), (PVOID)DeviceName,
sizeof(DeviceName), &BytesReturned);
+    if (NT_SUCCESS(Status))
+    {
+        /* find product name */
+        Status = FindProductName(DeviceName, MAXPNAMELEN,
DeviceInfo->u.WaveOutCaps.szPname);
+
+        /* check for success */
+        if (!NT_SUCCESS(Status))
+        {
+            DeviceInfo->u.WaveOutCaps.szPname[0] = L'\0';
+        }
     }
 
     PinProperty.Reserved = DeviceInfo->DeviceIndex;
@@ -575,10 +801,9 @@
     DeviceInfo->u.WaveOutCaps.dwFormats = dwFormats;
     DeviceInfo->u.WaveOutCaps.dwSupport = dwSupport;
     DeviceInfo->u.WaveOutCaps.wChannels = wChannels;
-    DeviceInfo->u.WaveOutCaps.szPname[0] = L'\0';
-
 
     ExFreePool(MultipleItem);
+
     return SetIrpIoStatus(Irp, Status, sizeof(WDMAUD_DEVICE_INFO));
 }
 

Modified: trunk/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/legacy/w…
==============================================================================
--- trunk/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h [iso-8859-1] Mon Aug 17
19:23:35 2009
@@ -9,6 +9,9 @@
 #include <debug.h>
 #include <ksmedia.h>
 #include <mmsystem.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <wchar.h>
 
 #include "interface.h"
 

Modified: trunk/reactos/drivers/wdm/audio/sysaudio/control.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/wdm/audio/sysaudio…
==============================================================================
--- trunk/reactos/drivers/wdm/audio/sysaudio/control.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/wdm/audio/sysaudio/control.c [iso-8859-1] Mon Aug 17 19:23:35
2009
@@ -351,7 +351,7 @@
     PKSOBJECT_CREATE_ITEM CreateItem;
     UNICODE_STRING GuidString;
     PKSP_PIN Pin;
-
+    LPWSTR DeviceName;
 
     /* access the create item */
     CreateItem = KSCREATE_ITEM_IRP_STORAGE(Irp);
@@ -394,6 +394,39 @@
     }
     else if (IsEqualGUIDAligned(&Property->Set, &KSPROPSETID_Sysaudio))
     {
+        if (Property->Id == KSPROPERTY_SYSAUDIO_DEVICE_INTERFACE_NAME)
+        {
+            if (IoStack->Parameters.DeviceIoControl.InputBufferLength <
sizeof(KSPROPERTY) + sizeof(ULONG))
+            {
+                /* invalid request */
+                return SetIrpIoStatus(Irp, STATUS_UNSUCCESSFUL, sizeof(KSPROPERTY) +
sizeof(ULONG));
+            }
+            Index = (PULONG)(Property + 1);
+
+            if (DeviceExtension->NumberOfKsAudioDevices <= *Index)
+            {
+                /* invalid index */
+                return SetIrpIoStatus(Irp, STATUS_INVALID_PARAMETER, 0);
+            }
+
+            Entry = GetListEntry(&DeviceExtension->KsAudioDeviceList, *Index);
+            ASSERT(Entry != NULL);
+
+            BytesReturned = Entry->DeviceName.Length + sizeof(WCHAR);
+            if (IoStack->Parameters.DeviceIoControl.OutputBufferLength <
BytesReturned)
+            {
+                /* too small buffer */
+                return SetIrpIoStatus(Irp, STATUS_BUFFER_TOO_SMALL, BytesReturned);
+            }
+
+            /* copy device name */
+            DeviceName = (LPWSTR)Irp->UserBuffer;
+
+            RtlMoveMemory(DeviceName, Entry->DeviceName.Buffer,
Entry->DeviceName.Length);
+            DeviceName[Entry->DeviceName.Length / sizeof(WCHAR)] = L'\0';
+            return SetIrpIoStatus(Irp, STATUS_SUCCESS, BytesReturned);
+        }
+
         if (Property->Id == KSPROPERTY_SYSAUDIO_COMPONENT_ID)
         {
             if (IoStack->Parameters.DeviceIoControl.InputBufferLength <
sizeof(KSPROPERTY) + sizeof(ULONG))