Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-06-01 23:48:12 +00:00
Code Issues Projects Releases Packages Wiki Activity

[USBAUDIO]

Browse source 
- implement audio volume property handler

svn path=/trunk/; revision=73042
This commit is contained in:
Johannes Anderwald 2016-10-26 18:09:19 +00:00
parent 3720040f9d
commit 1ac7d54efd
3 changed files with 81 additions and 65 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

86
reactos/drivers/usb/usbaudio/filter.c
View file

@ -157,7 +157,6 @@ UsbAudioGetSetProperty(
/* submit urb */
Status = SubmitUrbSync(DeviceObject, Urb);
DPRINT1("UsbAudioGetSetProperty Status %x\n", Status);
FreeFunction(Urb);
return Status;
}
@ -215,12 +214,12 @@ FilterAudioMuteHandler(
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 @@ FilterAudioVolumeHandler(
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;
}

58
reactos/drivers/usb/usbaudio/pin.c
View file

@ -90,61 +90,6 @@ UsbAudioAllocCaptureUrbIso(
}
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
UsbAudioSetFormat(
IN PKSPIN Pin)
@ -643,9 +588,6 @@ USBAudioPinCreate(
ASSERT(Status == STATUS_SUCCESS);
}
/* FIXME move to build filter topology*/
UsbAudioSetVolume(Pin);
/* select streaming interface */
Status = USBAudioSelectAudioStreamingInterface(PinContext, PinContext->DeviceExtension, PinContext->DeviceExtension->ConfigurationDescriptor);
if (!NT_SUCCESS(Status))

2
reactos/drivers/usb/usbaudio/usbaudio.h
View file

@ -62,8 +62,6 @@ DEFINE_KSPROPERTY_TABLE(TopologySet) {\
DEFINE_KSPROPERTY_ITEM_AUDIO_MUTE(Handler)\
}
#include <pshpack1.h>
typedef struct