//=============================================================================
NTSTATUS CMiniportTopology::PropertyHandlerJackDescription(IN PPCPROPERTY_REQUEST PropertyRequest)
/*++
Routine Description:
Handles ( KSPROPSETID_Jack, KSPROPERTY_JACK_DESCRIPTION )
Arguments:
PropertyRequest -
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(PropertyRequest);
DPF_ENTER(("[PropertyHandlerJackDescription]"));
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
ULONG nPinId = (ULONG)-1;
if (PropertyRequest->InstanceSize >= sizeof(ULONG)) {
nPinId = *(PULONG(PropertyRequest->Instance));
if ((nPinId < ARRAYSIZE(JackDescriptions)) && (JackDescriptions[nPinId] != NULL)) {
if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) {
ntStatus = PropertyHandler_BasicSupport(PropertyRequest, KSPROPERTY_TYPE_BASICSUPPORT | KSPROPERTY_TYPE_GET, VT_ILLEGAL);
} else {
ULONG cbNeeded = sizeof(KSMULTIPLE_ITEM) + sizeof(KSJACK_DESCRIPTION);
if (PropertyRequest->ValueSize == 0) {
PropertyRequest->ValueSize = cbNeeded;
ntStatus = STATUS_BUFFER_OVERFLOW;
} else if (PropertyRequest->ValueSize < cbNeeded) {
ntStatus = STATUS_BUFFER_TOO_SMALL;
} else {
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
PKSMULTIPLE_ITEM pMI = (PKSMULTIPLE_ITEM)PropertyRequest->Value;
PKSJACK_DESCRIPTION pDesc = (PKSJACK_DESCRIPTION)(pMI+1);
pMI->Size = cbNeeded;
pMI->Count = 1;
RtlCopyMemory(pDesc, JackDescriptions[nPinId], sizeof(KSJACK_DESCRIPTION));
ntStatus = STATUS_SUCCESS;
}
}
}
}
}
return ntStatus;
}
NTSTATUS
PropertyHandler_CpuResources
(
_In_ PPCPROPERTY_REQUEST PropertyRequest
)
/*++
Routine Description:
Processes KSPROPERTY_AUDIO_CPURESOURCES
Arguments:
PropertyRequest - property request structure.
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[%s]",__FUNCTION__));
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET)
{
ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(ULONG));
if (NT_SUCCESS(ntStatus))
{
*(PULONG(PropertyRequest->Value)) = KSAUDIO_CPU_RESOURCES_NOT_HOST_CPU;
PropertyRequest->ValueSize = sizeof(ULONG);
}
}
else if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT)
{
ntStatus =
PropertyHandler_BasicSupport
(
PropertyRequest,
KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT,
VT_UI4
);
}
return ntStatus;
} // PropertyHandlerCpuResources
//=============================================================================
NTSTATUS CMiniportTopology::PropertyHandlerMuxSource(IN PPCPROPERTY_REQUEST PropertyRequest)
/*++
Routine Description:
PropertyHandler for KSPROPERTY_AUDIO_MUX_SOURCE.
Arguments:
PropertyRequest - property request structure
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[%s]",__FUNCTION__));
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
//
// Validate node
// This property is only valid for WAVEIN_MUX node.
//
// TODO if (WAVEIN_MUX == PropertyRequest->Node)
{
if (PropertyRequest->ValueSize >= sizeof(ULONG)) {
PULONG pulMuxValue = PULONG(PropertyRequest->Value);
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
*pulMuxValue = m_AdapterCommon->MixerMuxRead();
PropertyRequest->ValueSize = sizeof(ULONG);
ntStatus = STATUS_SUCCESS;
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
m_AdapterCommon->MixerMuxWrite(*pulMuxValue);
ntStatus = STATUS_SUCCESS;
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) {
ntStatus = PropertyHandler_BasicSupport(PropertyRequest, KSPROPERTY_TYPE_ALL, VT_I4);
}
} else {
DPF(D_TERSE, ("[PropertyHandlerMuxSource - Invalid parameter]"));
ntStatus = STATUS_INVALID_PARAMETER;
}
}
return ntStatus;
} // PropertyHandlerMuxSource
//=============================================================================
NTSTATUS CMiniportTopology::PropertyHandlerVolume(IN PPCPROPERTY_REQUEST PropertyRequest)
/*++
Routine Description:
Property handler for KSPROPERTY_AUDIO_VOLUMELEVEL
Arguments:
PropertyRequest - property request structure
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[%s]",__FUNCTION__));
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
LONG lChannel;
PULONG pulVolume;
if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) {
ntStatus = PropertyHandlerBasicSupportVolume(PropertyRequest);
} else {
// volume value is a ULONG, instance is the channel number
ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(ULONG), sizeof(LONG));
if (NT_SUCCESS(ntStatus)) {
lChannel = * (PLONG (PropertyRequest->Instance));
pulVolume = PULONG (PropertyRequest->Value);
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
*pulVolume = m_AdapterCommon->MixerVolumeRead(PropertyRequest->Node, lChannel);
PropertyRequest->ValueSize = sizeof(ULONG);
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
m_AdapterCommon->MixerVolumeWrite(PropertyRequest->Node, lChannel, *pulVolume);
}
} else {
DPF(D_TERSE, ("[%s - ntStatus=0x%08x]",__FUNCTION__,ntStatus));
}
}
return ntStatus;
} // PropertyHandlerVolume
//=============================================================================
NTSTATUS CMiniportTopology::PropertyHandlerDevSpecific(IN PPCPROPERTY_REQUEST PropertyRequest)
/*++
Routine Description:
Property handler for KSPROPERTY_AUDIO_DEV_SPECIFIC
Arguments:
PropertyRequest - property request structure
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[%s]",__FUNCTION__));
NTSTATUS ntStatus = STATUS_SUCCESS;
if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT) {
if (DEV_SPECIFIC_VT_BOOL == PropertyRequest->Node ) {
ntStatus = PropertyHandler_BasicSupport(PropertyRequest,KSPROPERTY_TYPE_ALL,VT_BOOL);
} else {
ULONG ExpectedSize = sizeof( KSPROPERTY_DESCRIPTION ) + sizeof( KSPROPERTY_MEMBERSHEADER ) + sizeof( KSPROPERTY_BOUNDS_LONG );
DWORD ulPropTypeSetId;
if( DEV_SPECIFIC_VT_I4 == PropertyRequest->Node ) {
ulPropTypeSetId = VT_I4;
} else if ( DEV_SPECIFIC_VT_UI4 == PropertyRequest->Node ) {
ulPropTypeSetId = VT_UI4;
} else {
ulPropTypeSetId = VT_ILLEGAL;
ntStatus = STATUS_INVALID_PARAMETER;
}
if( NT_SUCCESS(ntStatus)) {
if ( !PropertyRequest->ValueSize ) {
PropertyRequest->ValueSize = ExpectedSize;
ntStatus = STATUS_BUFFER_OVERFLOW;
} else if (PropertyRequest->ValueSize >= sizeof(KSPROPERTY_DESCRIPTION)) {
// if return buffer can hold a KSPROPERTY_DESCRIPTION, return it
//
PKSPROPERTY_DESCRIPTION PropDesc = PKSPROPERTY_DESCRIPTION(PropertyRequest->Value);
PropDesc->AccessFlags = KSPROPERTY_TYPE_ALL;
PropDesc->DescriptionSize = ExpectedSize;
PropDesc->PropTypeSet.Set = KSPROPTYPESETID_General;
PropDesc->PropTypeSet.Id = ulPropTypeSetId;
PropDesc->PropTypeSet.Flags = 0;
PropDesc->MembersListCount = 0;
PropDesc->Reserved = 0;
if ( PropertyRequest->ValueSize >= ExpectedSize ) {
// Extra information to return
PropDesc->MembersListCount = 1;
PKSPROPERTY_MEMBERSHEADER MembersHeader = ( PKSPROPERTY_MEMBERSHEADER )( PropDesc + 1);
MembersHeader->MembersFlags = KSPROPERTY_MEMBER_RANGES;
MembersHeader->MembersCount = 1;
MembersHeader->MembersSize = sizeof( KSPROPERTY_BOUNDS_LONG );
MembersHeader->Flags = 0;
PKSPROPERTY_BOUNDS_LONG PeakMeterBounds = (PKSPROPERTY_BOUNDS_LONG)( MembersHeader + 1);
if(VT_I4 == ulPropTypeSetId ) {
PeakMeterBounds->SignedMinimum = 0;
PeakMeterBounds->SignedMaximum = 0x7fffffff;
} else {
PeakMeterBounds->UnsignedMinimum = 0;
PeakMeterBounds->UnsignedMaximum = 0xffffffff;
}
// set the return value size
PropertyRequest->ValueSize = ExpectedSize;
} else {
// No extra information to return.
PropertyRequest->ValueSize = sizeof(KSPROPERTY_DESCRIPTION);
}
ntStatus = STATUS_SUCCESS;
} else if (PropertyRequest->ValueSize >= sizeof(ULONG)) {
// if return buffer can hold a ULONG, return the access flags
//
*(PULONG(PropertyRequest->Value)) = KSPROPERTY_TYPE_ALL;
PropertyRequest->ValueSize = sizeof(ULONG);
ntStatus = STATUS_SUCCESS;
} else {
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
}
}
} else {
// switch on node id
switch( PropertyRequest->Node ) {
case DEV_SPECIFIC_VT_BOOL:
PBOOL pbDevSpecific;
ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(BOOL), 0);
if (NT_SUCCESS(ntStatus)) {
pbDevSpecific = PBOOL (PropertyRequest->Value);
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
*pbDevSpecific = m_AdapterCommon->bDevSpecificRead();
PropertyRequest->ValueSize = sizeof(BOOL);
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
m_AdapterCommon->bDevSpecificWrite(*pbDevSpecific);
} else {
ntStatus = STATUS_INVALID_PARAMETER;
}
}
break;
case DEV_SPECIFIC_VT_I4:
INT* piDevSpecific;
ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(int), 0);
if (NT_SUCCESS(ntStatus)) {
piDevSpecific = PINT (PropertyRequest->Value);
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
*piDevSpecific = m_AdapterCommon->iDevSpecificRead();
PropertyRequest->ValueSize = sizeof(int);
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
m_AdapterCommon->iDevSpecificWrite(*piDevSpecific);
} else {
ntStatus = STATUS_INVALID_PARAMETER;
}
}
break;
case DEV_SPECIFIC_VT_UI4:
UINT* puiDevSpecific;
ntStatus = ValidatePropertyParams(PropertyRequest, sizeof(UINT), 0);
if (NT_SUCCESS(ntStatus)) {
puiDevSpecific = PUINT (PropertyRequest->Value);
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET) {
*puiDevSpecific = m_AdapterCommon->uiDevSpecificRead();
PropertyRequest->ValueSize = sizeof(UINT);
} else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET) {
m_AdapterCommon->uiDevSpecificWrite(*puiDevSpecific);
} else {
ntStatus = STATUS_INVALID_PARAMETER;
}
}
break;
default:
ntStatus = STATUS_INVALID_PARAMETER;
break;
}
if( !NT_SUCCESS(ntStatus)) {
DPF(D_TERSE, ("[%s - ntStatus=0x%08x]",__FUNCTION__,ntStatus));
}
}
return ntStatus;
} // PropertyHandlerDevSpecific
//=============================================================================
NTSTATUS CMiniportTopology::PropertyHandlerBasicSupportVolume(IN PPCPROPERTY_REQUEST PropertyRequest)
/*++
Routine Description:
Handles BasicSupport for Volume nodes.
Arguments:
PropertyRequest - property request structure
Return Value:
NT status code.
--*/
{
PAGED_CODE();
NTSTATUS ntStatus = STATUS_SUCCESS;
ULONG cbFullProperty = sizeof(KSPROPERTY_DESCRIPTION) + sizeof(KSPROPERTY_MEMBERSHEADER) + sizeof(KSPROPERTY_STEPPING_LONG);
if (PropertyRequest->ValueSize >= (sizeof(KSPROPERTY_DESCRIPTION))) {
PKSPROPERTY_DESCRIPTION PropDesc = PKSPROPERTY_DESCRIPTION(PropertyRequest->Value);
PropDesc->AccessFlags = KSPROPERTY_TYPE_ALL;
PropDesc->DescriptionSize = cbFullProperty;
PropDesc->PropTypeSet.Set = KSPROPTYPESETID_General;
PropDesc->PropTypeSet.Id = VT_I4;
PropDesc->PropTypeSet.Flags = 0;
PropDesc->MembersListCount = 1;
PropDesc->Reserved = 0;
// if return buffer can also hold a range description, return it too
if(PropertyRequest->ValueSize >= cbFullProperty) {
// fill in the members header
PKSPROPERTY_MEMBERSHEADER Members = PKSPROPERTY_MEMBERSHEADER(PropDesc + 1);
Members->MembersFlags = KSPROPERTY_MEMBER_STEPPEDRANGES;
Members->MembersSize = sizeof(KSPROPERTY_STEPPING_LONG);
Members->MembersCount = 1;
Members->Flags = KSPROPERTY_MEMBER_FLAG_BASICSUPPORT_MULTICHANNEL;
// fill in the stepped range
PKSPROPERTY_STEPPING_LONG Range = PKSPROPERTY_STEPPING_LONG(Members + 1);
Range->Bounds.SignedMaximum = 0x00000000; // 0 dB
Range->Bounds.SignedMinimum = -96 * 0x10000; // -96 dB
Range->SteppingDelta = 0x08000; // .5 dB
Range->Reserved = 0;
// set the return value size
PropertyRequest->ValueSize = cbFullProperty;
} else {
PropertyRequest->ValueSize = sizeof(KSPROPERTY_DESCRIPTION);
}
} else if(PropertyRequest->ValueSize >= sizeof(ULONG)) {
// if return buffer can hold a ULONG, return the access flags
PULONG AccessFlags = PULONG(PropertyRequest->Value);
PropertyRequest->ValueSize = sizeof(ULONG);
*AccessFlags = KSPROPERTY_TYPE_ALL;
} else {
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
return ntStatus;
} // PropertyHandlerBasicSupportVolume
NTSTATUS
PropertyHandler_PeakMeter2
(
_In_ PADAPTERCOMMON AdapterCommon,
_In_ PPCPROPERTY_REQUEST PropertyRequest,
_In_ ULONG MaxChannels
)
/*++
Routine Description:
Property handler for KSPROPERTY_AUDIO_PEAKMETER2
Arguments:
AdapterCommon - interface to the common adapter object.
PropertyRequest - property request structure.
MaxChannels - # of supported channels.
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[%s]",__FUNCTION__));
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
ULONG ulChannel;
PLONG plSample;
if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT)
{
ntStatus = PropertyHandler_BasicSupportPeakMeter2(
PropertyRequest,
MaxChannels);
}
else
{
ntStatus =
ValidatePropertyParams
(
PropertyRequest,
sizeof(LONG), // sample value is a LONG
sizeof(ULONG) // instance is the channel number
);
if (NT_SUCCESS(ntStatus))
{
ulChannel = * (PULONG (PropertyRequest->Instance));
plSample = PLONG (PropertyRequest->Value);
if (ulChannel >= MaxChannels &&
ulChannel != ALL_CHANNELS_ID)
{
ntStatus = STATUS_INVALID_PARAMETER;
}
else if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET)
{
*plSample =
PEAKMETER_NORMALIZE_IN_RANGE(
AdapterCommon->MixerPeakMeterRead
(
PropertyRequest->Node,
ulChannel == ALL_CHANNELS_ID ? 0 : ulChannel
));
PropertyRequest->ValueSize = sizeof(ULONG);
}
}
if (!NT_SUCCESS(ntStatus))
{
DPF(D_TERSE, ("[%s - ntStatus=0x%08x]",__FUNCTION__,ntStatus));
}
}
return ntStatus;
} // PropertyHandlerVolume
NTSTATUS
PropertyHandler_Mute
(
_In_ PADAPTERCOMMON AdapterCommon,
_In_ PPCPROPERTY_REQUEST PropertyRequest,
_In_ ULONG MaxChannels
)
/*++
Routine Description:
Property handler for KSPROPERTY_AUDIO_MUTE
Arguments:
AdapterCommon - interface to the common adapter object.
PropertyRequest - property request structure.
MaxChannels - # of supported channels.
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[%s]",__FUNCTION__));
NTSTATUS ntStatus;
ULONG ulChannel;
PBOOL pfMute;
if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT)
{
ntStatus = PropertyHandler_BasicSupportMute(
PropertyRequest,
MaxChannels);
}
else
{
ntStatus =
ValidatePropertyParams
(
PropertyRequest,
sizeof(BOOL),
sizeof(ULONG)
);
if (NT_SUCCESS(ntStatus))
{
ulChannel = * (PULONG (PropertyRequest->Instance));
pfMute = PBOOL (PropertyRequest->Value);
if (ulChannel >= MaxChannels &&
ulChannel != ALL_CHANNELS_ID)
{
ntStatus = STATUS_INVALID_PARAMETER;
}
else if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET)
{
*pfMute =
AdapterCommon->MixerMuteRead
(
PropertyRequest->Node,
ulChannel == ALL_CHANNELS_ID ? 0 : ulChannel
);
PropertyRequest->ValueSize = sizeof(BOOL);
}
else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET)
{
if (ALL_CHANNELS_ID == ulChannel)
{
for (ULONG i=0; i<ulChannel; ++i)
{
AdapterCommon->MixerMuteWrite
(
PropertyRequest->Node,
i,
(*pfMute) ? TRUE : FALSE
);
}
}
else
{
AdapterCommon->MixerMuteWrite
(
PropertyRequest->Node,
ulChannel,
(*pfMute) ? TRUE : FALSE
);
}
}
}
if (!NT_SUCCESS(ntStatus))
{
DPF(D_TERSE, ("[%s - ntStatus=0x%08x]",__FUNCTION__,ntStatus));
}
}
return ntStatus;
} // PropertyHandlerMute
NTSTATUS
PropertyHandler_BasicSupportPeakMeter2
(
_In_ PPCPROPERTY_REQUEST PropertyRequest,
_In_ ULONG MaxChannels
)
/*++
Routine Description:
Handles BasicSupport for peak meter nodes.
Arguments:
PropertyRequest - property request structure.
MaxChannels - # of supported channels.
Return Value:
NT status code.
--*/
{
PAGED_CODE();
NTSTATUS ntStatus = STATUS_SUCCESS;
ULONG cbFullProperty =
sizeof(KSPROPERTY_DESCRIPTION) +
sizeof(KSPROPERTY_MEMBERSHEADER) +
sizeof(KSPROPERTY_STEPPING_LONG) * MaxChannels;
ASSERT(MaxChannels > 0);
if (PropertyRequest->ValueSize >= (sizeof(KSPROPERTY_DESCRIPTION)))
{
PKSPROPERTY_DESCRIPTION PropDesc =
PKSPROPERTY_DESCRIPTION(PropertyRequest->Value);
PropDesc->AccessFlags = KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT;
PropDesc->DescriptionSize = cbFullProperty;
PropDesc->PropTypeSet.Set = KSPROPTYPESETID_General;
PropDesc->PropTypeSet.Id = VT_I4;
PropDesc->PropTypeSet.Flags = 0;
PropDesc->MembersListCount = 1;
PropDesc->Reserved = 0;
// if return buffer can also hold a range description, return it too
if(PropertyRequest->ValueSize >= cbFullProperty)
{
// fill in the members header
PKSPROPERTY_MEMBERSHEADER Members =
PKSPROPERTY_MEMBERSHEADER(PropDesc + 1);
Members->MembersFlags = KSPROPERTY_MEMBER_STEPPEDRANGES;
Members->MembersSize = sizeof(KSPROPERTY_STEPPING_LONG);
Members->MembersCount = MaxChannels;
Members->Flags = KSPROPERTY_MEMBER_FLAG_BASICSUPPORT_MULTICHANNEL;
// fill in the stepped range
PKSPROPERTY_STEPPING_LONG Range =
PKSPROPERTY_STEPPING_LONG(Members + 1);
for (ULONG i=0; i<MaxChannels; ++i)
{
Range[i].Bounds.SignedMaximum = PEAKMETER_SIGNED_MAXIMUM;
Range[i].Bounds.SignedMinimum = PEAKMETER_SIGNED_MINIMUM;
Range[i].SteppingDelta = PEAKMETER_STEPPING_DELTA;
Range[i].Reserved = 0;
}
// set the return value size
PropertyRequest->ValueSize = cbFullProperty;
}
else
{
PropertyRequest->ValueSize = sizeof(KSPROPERTY_DESCRIPTION);
}
}
else if(PropertyRequest->ValueSize >= sizeof(ULONG))
{
// if return buffer can hold a ULONG, return the access flags
PULONG AccessFlags = PULONG(PropertyRequest->Value);
PropertyRequest->ValueSize = sizeof(ULONG);
*AccessFlags = KSPROPERTY_TYPE_ALL;
}
else
{
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
return ntStatus;
} // PropertyHandlerBasicSupportVolume
NTSTATUS
PropertyHandler_BasicSupport
(
_In_ PPCPROPERTY_REQUEST PropertyRequest,
_In_ ULONG Flags,
_In_ DWORD PropTypeSetId
)
/*++
Routine Description:
Default basic support handler. Basic processing depends on the size of data.
For ULONG it only returns Flags. For KSPROPERTY_DESCRIPTION, the structure
is filled.
Arguments:
PropertyRequest -
Flags - Support flags.
PropTypeSetId - PropTypeSetId
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(Flags & KSPROPERTY_TYPE_BASICSUPPORT);
NTSTATUS ntStatus = STATUS_INVALID_PARAMETER;
if (PropertyRequest->ValueSize >= sizeof(KSPROPERTY_DESCRIPTION))
{
// if return buffer can hold a KSPROPERTY_DESCRIPTION, return it
//
PKSPROPERTY_DESCRIPTION PropDesc =
PKSPROPERTY_DESCRIPTION(PropertyRequest->Value);
PropDesc->AccessFlags = Flags;
PropDesc->DescriptionSize = sizeof(KSPROPERTY_DESCRIPTION);
if (VT_ILLEGAL != PropTypeSetId)
{
PropDesc->PropTypeSet.Set = KSPROPTYPESETID_General;
PropDesc->PropTypeSet.Id = PropTypeSetId;
}
else
{
PropDesc->PropTypeSet.Set = GUID_NULL;
PropDesc->PropTypeSet.Id = 0;
}
PropDesc->PropTypeSet.Flags = 0;
PropDesc->MembersListCount = 0;
PropDesc->Reserved = 0;
PropertyRequest->ValueSize = sizeof(KSPROPERTY_DESCRIPTION);
ntStatus = STATUS_SUCCESS;
}
else if (PropertyRequest->ValueSize >= sizeof(ULONG))
{
// if return buffer can hold a ULONG, return the access flags
//
*(PULONG(PropertyRequest->Value)) = Flags;
PropertyRequest->ValueSize = sizeof(ULONG);
ntStatus = STATUS_SUCCESS;
}
else
{
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
return ntStatus;
} // PropertyHandler_BasicSupport
NTSTATUS
PropertyHandler_BthHfpMicVolumeLevel
(
_In_ PPCPROPERTY_REQUEST PropertyRequest
)
/*++
Routine Description:
Handles ( KSPROPSETID_Audio, KSPROPERTY_AUDIO_VOLUMELEVEL )
Arguments:
PropertyRequest -
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(PropertyRequest);
DPF_ENTER(("[PropertyHandler_BthHfpMicVolumeLevel]"));
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
PCMiniportTopology miniport = (PCMiniportTopology)PropertyRequest->MajorTarget;
PBTHHFPDEVICECOMMON bthHfpDevice = NULL;
ULONG channel = (ULONG)-1;
bthHfpDevice = miniport->GetBthHfpDevice(); // weak ref.
ASSERT(bthHfpDevice != NULL);
if (bthHfpDevice->IsVolumeSupported() == FALSE)
{
ntStatus = miniport->PropertyHandlerGeneric(PropertyRequest);
}
else if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT)
{
ntStatus = PropertyHandler_BthHfpVolumeLevel_BasicSupport(PropertyRequest);
}
else if (PropertyRequest->InstanceSize >= sizeof(ULONG))
{
// Instance is the channel #, Bluetooth HFP supports mono streams.
channel = *(PULONG(PropertyRequest->Instance));
if (channel == 0)
{
ULONG cbNeeded = sizeof(LONG);
if (PropertyRequest->ValueSize == 0)
{
PropertyRequest->ValueSize = cbNeeded;
ntStatus = STATUS_BUFFER_OVERFLOW;
}
else if (PropertyRequest->ValueSize < cbNeeded)
{
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
else
{
LONG* volume = (LONG*)PropertyRequest->Value;
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET)
{
*volume = bthHfpDevice->GetMicVolume();
ntStatus = STATUS_SUCCESS;
}
else if (PropertyRequest->Verb & KSPROPERTY_TYPE_SET)
{
ntStatus = bthHfpDevice->SetMicVolume(*volume);
}
}
}
}
return ntStatus;
}
//=============================================================================
NTSTATUS
PropertyHandler_MicInJackDescription2
(
_In_ PPCPROPERTY_REQUEST PropertyRequest
)
/*++
Routine Description:
Handles ( KSPROPSETID_Jack, KSPROPERTY_JACK_DESCRIPTION2 )
Arguments:
PropertyRequest -
Return Value:
NT status code.
--*/
{
PAGED_CODE();
ASSERT(PropertyRequest);
DPF_ENTER(("[PropertyHandler_MicInJackDescription2]"));
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
ULONG nPinId = (ULONG)-1;
ULONG cJackDescriptions = ARRAYSIZE(MicInJackDescriptions);
PKSJACK_DESCRIPTION * JackDescriptions = MicInJackDescriptions;
if (PropertyRequest->InstanceSize >= sizeof(ULONG))
{
nPinId = *(PULONG(PropertyRequest->Instance));
if ((nPinId < cJackDescriptions) && (JackDescriptions[nPinId] != NULL))
{
if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT)
{
ntStatus =
PropertyHandler_BasicSupport
(
PropertyRequest,
KSPROPERTY_TYPE_BASICSUPPORT | KSPROPERTY_TYPE_GET,
VT_ILLEGAL
);
}
else
{
ULONG cbNeeded = sizeof(KSMULTIPLE_ITEM) + sizeof(KSJACK_DESCRIPTION2);
if (PropertyRequest->ValueSize == 0)
{
PropertyRequest->ValueSize = cbNeeded;
ntStatus = STATUS_BUFFER_OVERFLOW;
}
else if (PropertyRequest->ValueSize < cbNeeded)
{
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
else
{
if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET)
{
PKSMULTIPLE_ITEM pMI = (PKSMULTIPLE_ITEM)PropertyRequest->Value;
PKSJACK_DESCRIPTION2 pDesc = (PKSJACK_DESCRIPTION2)(pMI+1);
pMI->Size = cbNeeded;
pMI->Count = 1;
RtlZeroMemory(pDesc, sizeof(KSJACK_DESCRIPTION2));
//
// Specifies the lower 16 bits of the DWORD parameter. This parameter indicates whether
// the jack is currently active, streaming, idle, or hardware not ready.
//
pDesc->DeviceStateInfo = 0;
//
// From MSDN:
// "If an audio device lacks jack presence detection, the IsConnected member of
// the KSJACK_DESCRIPTION structure must always be set to TRUE. To remove the
// ambiguity that results from this dual meaning of the TRUE value for IsConnected,
// a client application can call IKsJackDescription2::GetJackDescription2 to read
// the JackCapabilities flag of the KSJACK_DESCRIPTION2 structure. If this flag has
// the JACKDESC2_PRESENCE_DETECT_CAPABILITY bit set, it indicates that the endpoint
// does in fact support jack presence detection. In that case, the return value of
// the IsConnected member can be interpreted to accurately reflect the insertion status
// of the jack."
//
// Bit definitions:
// 0x00000001 - JACKDESC2_PRESENCE_DETECT_CAPABILITY
// 0x00000002 - JACKDESC2_DYNAMIC_FORMAT_CHANGE_CAPABILITY
//
pDesc->JackCapabilities = JACKDESC2_PRESENCE_DETECT_CAPABILITY;
ntStatus = STATUS_SUCCESS;
}
}
}
}
}
return ntStatus;
}