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/*++
Copyright (c) Microsoft Corporation All Rights Reserved
Module Name:
a2dphpminwavert.cpp
Abstract:
Implementation of wavert miniport.
--*/
#ifdef SYSVAD_A2DP_SIDEBAND
#pragma warning (disable : 4127)
#include <sysvad.h>
#include <limits.h>
#include "simple.h"
#include "minwavert.h"
#include "minwavertstream.h"
#include "IHVPrivatePropertySet.h"
//=============================================================================
#pragma code_seg("PAGE")
NTSTATUS
CMiniportWaveRT::PropertyHandler_A2dpHpAudioEffectsDiscoveryEffectsList
(
_In_ PPCPROPERTY_REQUEST PropertyRequest
)
/*++
Routine Description:
Handles ( KSPROPSETID_AudioEffectsDiscovery, KSPROPERTY_AUDIOEFFECTSDISCOVERY_EFFECTSLIST )
Arguments:
PropertyRequest -
Return Value:
NT status code.
--*/
{
PAGED_CODE();
DPF_ENTER(("[PropertyHandler_A2dpHpAudioEffectsDiscoveryEffectsList]"));
NTSTATUS ntStatus = STATUS_INVALID_PARAMETER;
ULONG nPinId = (ULONG)-1;
//
// Validate Pin ID.
//
if (PropertyRequest->InstanceSize >= sizeof(ULONG))
{
nPinId = *(PULONG(PropertyRequest->Instance));
// This prop is valid only on streaming pins.
if (IsSystemRenderPin(nPinId) || IsSystemCapturePin(nPinId))
{
ntStatus = STATUS_SUCCESS;
}
else if (IsBridgePin(nPinId) ||
IsLoopbackPin(nPinId) ||
IsOffloadPin(nPinId))
{
ntStatus = STATUS_NOT_SUPPORTED;
}
}
IF_FAILED_JUMP(ntStatus, Done);
//
// Valid actions: get and basicsupport.
//
ntStatus = STATUS_INVALID_PARAMETER;
if (PropertyRequest->Verb & KSPROPERTY_TYPE_BASICSUPPORT)
{
ntStatus =
PropertyHandler_BasicSupport
(
PropertyRequest,
KSPROPERTY_TYPE_BASICSUPPORT | KSPROPERTY_TYPE_GET,
VT_ILLEGAL
);
}
else if (PropertyRequest->Verb & KSPROPERTY_TYPE_GET)
{
ASSERT(m_pSidebandDevice != NULL);
// If it is render pin (data flow in),
// return size 0 effect list
if (IsSystemRenderPin(nPinId))
{
PropertyRequest->ValueSize = 0;
ntStatus = STATUS_SUCCESS;
}
else
{
// Compute total size, two effects: NS and EC (see below).
ULONG cbMinSize = sizeof(GUID) * 2;
if (PropertyRequest->ValueSize == 0)
{
PropertyRequest->ValueSize = cbMinSize;
ntStatus = STATUS_BUFFER_OVERFLOW;
}
else if (PropertyRequest->ValueSize < cbMinSize)
{
ntStatus = STATUS_BUFFER_TOO_SMALL;
}
else
{
PGUID effectList = PGUID(PropertyRequest->Value);
*effectList = AUDIO_EFFECT_TYPE_ACOUSTIC_ECHO_CANCELLATION;
*(effectList + 1) = AUDIO_EFFECT_TYPE_NOISE_SUPPRESSION;
PropertyRequest->ValueSize = cbMinSize;
ntStatus = STATUS_SUCCESS;
}
}
}
Done:
return ntStatus;
}
//=============================================================================
#pragma code_seg("PAGE")
NTSTATUS
PropertyHandler_A2dpHpWaveFilter
(
_In_ PPCPROPERTY_REQUEST PropertyRequest
)
/*++
Routine Description:
Redirects general property request to miniport object
Arguments:
PropertyRequest -
Return Value:
NT status code.
--*/
{
PAGED_CODE();
NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST;
CMiniportWaveRT* waveRt = reinterpret_cast<CMiniportWaveRT*>(PropertyRequest->MajorTarget);
if (waveRt == NULL)
{
return STATUS_INVALID_PARAMETER;
}
waveRt->AddRef();
if (IsEqualGUIDAligned(*PropertyRequest->PropertyItem->Set, KSPROPSETID_Pin))
{
switch (PropertyRequest->PropertyItem->Id)
{
case KSPROPERTY_PIN_PROPOSEDATAFORMAT:
ntStatus = waveRt->PropertyHandlerProposedFormat(PropertyRequest);
break;
}
}
else if (IsEqualGUIDAligned(*PropertyRequest->PropertyItem->Set, KSPROPSETID_AudioEffectsDiscovery))
{
switch(PropertyRequest->PropertyItem->Id)
{
case KSPROPERTY_AUDIOEFFECTSDISCOVERY_EFFECTSLIST:
ntStatus = waveRt->PropertyHandler_A2dpHpAudioEffectsDiscoveryEffectsList(PropertyRequest);
break;
}
}
waveRt->Release();
return ntStatus;
} // PropertyHandler_A2dpHpWaveFilter
#pragma code_seg("PAGE")
#endif // SYSVAD_A2DP_SIDEBAND
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