[janderwald] 73042: [USBAUDIO] - implement audio volume property handler

Author: janderwald
Date: Wed Oct 26 18:09:19 2016
New Revision: 73042

URL: http://svn.reactos.org/svn/reactos?rev=73042&view=rev
Log:
[USBAUDIO]
- implement audio volume property handler

Modified:
    trunk/reactos/drivers/usb/usbaudio/filter.c
    trunk/reactos/drivers/usb/usbaudio/pin.c
    trunk/reactos/drivers/usb/usbaudio/usbaudio.h

Modified: trunk/reactos/drivers/usb/usbaudio/filter.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbaudio/filte…
==============================================================================
--- trunk/reactos/drivers/usb/usbaudio/filter.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbaudio/filter.c	[iso-8859-1] Wed Oct 26 18:09:19 2016
@@ -157,7 +157,6 @@
     /* submit urb */
     Status = SubmitUrbSync(DeviceObject, Urb);
 
-    DPRINT1("UsbAudioGetSetProperty Status %x\n", Status);
     FreeFunction(Urb);
     return Status;
 }
@@ -215,12 +214,12 @@
             FeatureUnitDescriptor =
(PUSB_AUDIO_CONTROL_FEATURE_UNIT_DESCRIPTOR)NodeContext->Descriptor;
             if (Property->NodeProperty.Property.Flags & KSPROPERTY_TYPE_GET)
             {
-                Status =
UsbAudioGetSetProperty(FilterContext->DeviceExtension->LowerDevice, 0x81, 0x100,
FeatureUnitDescriptor->bUnitID << 8, Data, 1, USBD_TRANSFER_DIRECTION_IN);
+                Status =
UsbAudioGetSetProperty(FilterContext->DeviceExtension->LowerDevice, 0x81, 0x1
<< 8, FeatureUnitDescriptor->bUnitID << 8, Data, 1,
USBD_TRANSFER_DIRECTION_IN);
                 Irp->IoStatus.Information = sizeof(BOOL);
             }
             else
             {
-                Status =
UsbAudioGetSetProperty(FilterContext->DeviceExtension->LowerDevice, 0x01, 0x100,
FeatureUnitDescriptor->bUnitID << 8, Data, 1, USBD_TRANSFER_DIRECTION_OUT);
+                Status =
UsbAudioGetSetProperty(FilterContext->DeviceExtension->LowerDevice, 0x01, 0x1
<< 8, FeatureUnitDescriptor->bUnitID << 8, Data, 1,
USBD_TRANSFER_DIRECTION_OUT);
             }
         }
     }
@@ -234,8 +233,85 @@
     IN PKSIDENTIFIER  Request,
     IN OUT PVOID  Data)
 {
-    UNIMPLEMENTED
-    return STATUS_SUCCESS;
+    PKSNODEPROPERTY_AUDIO_CHANNEL Property;
+    PKSFILTER Filter;
+    PFILTER_CONTEXT FilterContext;
+    PNODE_CONTEXT NodeContext;
+    PUSB_AUDIO_CONTROL_FEATURE_UNIT_DESCRIPTOR FeatureUnitDescriptor;
+    PSHORT TransferBuffer;
+    LONG Value;
+    NTSTATUS Status = STATUS_INVALID_PARAMETER;
+
+
+    /* get filter from irp */
+    Filter = KsGetFilterFromIrp(Irp);
+
+    if (Filter)
+    {
+        /* get property */
+        Property = (PKSNODEPROPERTY_AUDIO_CHANNEL)Request;
+
+        /* get filter context */
+        FilterContext = (PFILTER_CONTEXT)Filter->Context;
+
+        TransferBuffer = AllocFunction(sizeof(USHORT) * 3);
+        ASSERT(TransferBuffer);
+
+        Value = *(PLONG)Data;
+
+        /* search for node context */
+        NodeContext =
FindNodeContextWithNode(FilterContext->DeviceExtension->NodeContext,
FilterContext->DeviceExtension->NodeContextCount,
Property->NodeProperty.NodeId);
+        if (NodeContext)
+        {
+            FeatureUnitDescriptor =
(PUSB_AUDIO_CONTROL_FEATURE_UNIT_DESCRIPTOR)NodeContext->Descriptor;
+            if (Property->NodeProperty.Property.Flags & KSPROPERTY_TYPE_GET)
+            {
+                Status =
UsbAudioGetSetProperty(FilterContext->DeviceExtension->LowerDevice, 0x81, 0x2
<< 8, FeatureUnitDescriptor->bUnitID << 8, &TransferBuffer[0],
sizeof(USHORT), USBD_TRANSFER_DIRECTION_IN);
+                Value = (LONG)TransferBuffer[0] * 256;
+
+                *(PLONG)Data = Value;
+                Irp->IoStatus.Information = sizeof(BOOL);
+            }
+            else
+            {
+                /* downscale value */
+                Value /= 256;
+
+                /* get minimum value */
+                UsbAudioGetSetProperty(FilterContext->DeviceExtension->LowerDevice,
0x82, 0x2 << 8, FeatureUnitDescriptor->bUnitID << 8,
&TransferBuffer[0], sizeof(USHORT), USBD_TRANSFER_DIRECTION_IN);
+
+                /* get maximum value */
+                UsbAudioGetSetProperty(FilterContext->DeviceExtension->LowerDevice,
0x83, 0x2 << 8, FeatureUnitDescriptor->bUnitID << 8,
&TransferBuffer[1], sizeof(USHORT), USBD_TRANSFER_DIRECTION_IN);
+
+                if (TransferBuffer[0] > Value)
+                {
+                    /* use minimum value */
+                    Value = TransferBuffer[0];
+                }
+
+                if (TransferBuffer[1] < Value)
+                {
+                    /* use maximum value */
+                    Value = TransferBuffer[1];
+                }
+
+                /* store value */
+                TransferBuffer[2] = Value;
+
+                /* set volume request */
+                Status =
UsbAudioGetSetProperty(FilterContext->DeviceExtension->LowerDevice, 0x01, 0x2
<< 8, FeatureUnitDescriptor->bUnitID << 8, &TransferBuffer[2],
sizeof(USHORT), USBD_TRANSFER_DIRECTION_OUT);
+                if (NT_SUCCESS(Status))
+                {
+                    /* store number of bytes transferred*/
+                    Irp->IoStatus.Information = sizeof(LONG);
+                }
+            }
+        }
+
+        /* free transfer buffer */
+        FreeFunction(TransferBuffer);
+    }
+    return Status;
 }
 
 

Modified: trunk/reactos/drivers/usb/usbaudio/pin.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbaudio/pin.c…
==============================================================================
--- trunk/reactos/drivers/usb/usbaudio/pin.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbaudio/pin.c	[iso-8859-1] Wed Oct 26 18:09:19 2016
@@ -88,61 +88,6 @@
     *OutUrb = Urb;
     return STATUS_SUCCESS;
 
-}
-
-NTSTATUS
-UsbAudioSetVolume(
-    IN PKSPIN Pin)
-{
-    PURB Urb;
-    PUCHAR SampleRateBuffer;
-    PPIN_CONTEXT PinContext;
-    NTSTATUS Status;
-
-    /* allocate sample rate buffer */
-    SampleRateBuffer = AllocFunction(sizeof(ULONG));
-    if (!SampleRateBuffer)
-    {
-        /* no memory */
-        return STATUS_INSUFFICIENT_RESOURCES;
-    }
-
-    /* allocate urb */
-    Urb = AllocFunction(sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST));
-    if (!Urb)
-    {
-        /* no memory */
-        FreeFunction(SampleRateBuffer);
-        return STATUS_INSUFFICIENT_RESOURCES;
-    }
-
-    /* FIXME: determine controls and format urb */
-    UsbBuildVendorRequest(Urb,
-        URB_FUNCTION_CLASS_INTERFACE,
-        sizeof(struct _URB_CONTROL_VENDOR_OR_CLASS_REQUEST),
-        USBD_TRANSFER_DIRECTION_OUT,
-        0,
-        0x01,
-        0x200,
-        0x300,
-        SampleRateBuffer,
-        NULL,
-        2,
-        NULL);
-
-    /* get pin context */
-    PinContext = Pin->Context;
-
-    SampleRateBuffer[0] = 0xC2;
-    SampleRateBuffer[1] = 0xFE;
-
-    /* submit urb */
-    Status = SubmitUrbSync(PinContext->LowerDevice, Urb);
-
-    DPRINT1("UsbAudioSetVolume Pin %p Status %x\n", Pin, Status);
-    FreeFunction(Urb);
-    FreeFunction(SampleRateBuffer);
-    return Status;
 }
 
 NTSTATUS
@@ -642,9 +587,6 @@
         Status = _KsEdit(Pin->Bag,
(PVOID*)&Pin->Descriptor->AllocatorFraming, sizeof(KSALLOCATOR_FRAMING_EX),
sizeof(KSALLOCATOR_FRAMING_EX), USBAUDIO_TAG);
         ASSERT(Status == STATUS_SUCCESS);
     }
-
-    /* FIXME move to build filter topology*/
-    UsbAudioSetVolume(Pin);
 
     /* select streaming interface */
     Status = USBAudioSelectAudioStreamingInterface(PinContext,
PinContext->DeviceExtension,
PinContext->DeviceExtension->ConfigurationDescriptor);

Modified: trunk/reactos/drivers/usb/usbaudio/usbaudio.h
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/usb/usbaudio/usbau…
==============================================================================
--- trunk/reactos/drivers/usb/usbaudio/usbaudio.h	[iso-8859-1] (original)
+++ trunk/reactos/drivers/usb/usbaudio/usbaudio.h	[iso-8859-1] Wed Oct 26 18:09:19 2016
@@ -61,8 +61,6 @@
 DEFINE_KSPROPERTY_TABLE(TopologySet) {\
     DEFINE_KSPROPERTY_ITEM_AUDIO_MUTE(Handler)\
 }
-
-
 
 #include <pshpack1.h>