diff options
| author | J M Rossy <[email protected]> | 2015-07-29 15:40:09 -0700 |
|---|---|---|
| committer | J M Rossy <[email protected]> | 2015-07-29 16:34:40 -0700 |
| commit | 5d61a4a79a1e96dc5d9af1e5e712c84507307544 (patch) | |
| tree | 49ed270893578cd18758b74ffcca16dc7ab948d6 /audio/sysvad/TabletAudioSample/micintopo.cpp | |
| parent | 5d41613e26e147d2300c786bb2b34cb4b4067a25 (diff) | |
Samples update for public Windows 10 release
Fix #2 Enabling WPP Recorder in Sensors Samples causes errors
Fix #4 Add back fixed KMDOD sample
Add new BarcodeScanner sample in pos folder
Add new MagneticStripeReader sample in pos folder
Add new SynpaticsTouch sample in input folder
Add new Power Engine Plugin sample in pofx folder
Add new DeviceMft sample in avstream folder
Add new AvsCamera sample in root
Add new SimBatt sample in root
Add other pre-existing samples not yet released for Win10
Diffstat (limited to 'audio/sysvad/TabletAudioSample/micintopo.cpp')
| -rw-r--r-- | audio/sysvad/TabletAudioSample/micintopo.cpp | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/audio/sysvad/TabletAudioSample/micintopo.cpp b/audio/sysvad/TabletAudioSample/micintopo.cpp new file mode 100644 index 00000000..6c1de10f --- /dev/null +++ b/audio/sysvad/TabletAudioSample/micintopo.cpp @@ -0,0 +1,274 @@ +/*++ + +Copyright (c) Microsoft Corporation All Rights Reserved + +Module Name: + + micintopo.cpp + +Abstract: + + Implementation of topology miniport for the mic (external: headphone). + +--*/ + +#pragma warning (disable : 4127) + +#include <sysvad.h> +#include "simple.h" +#include "mintopo.h" +#include "micintopo.h" +#include "micintoptable.h" + + +#pragma code_seg("PAGE") + +//============================================================================= +NTSTATUS +PropertyHandler_MicInJackDescription +( + _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(("[PropertyHandler_MicInJackDescription]")); + + 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_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_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; +} + +//============================================================================= +NTSTATUS +PropertyHandler_MicInTopoFilter +( + _In_ PPCPROPERTY_REQUEST PropertyRequest +) +/*++ + +Routine Description: + + Redirects property request to miniport object + +Arguments: + + PropertyRequest - + +Return Value: + + NT status code. + +--*/ +{ + PAGED_CODE(); + + ASSERT(PropertyRequest); + + DPF_ENTER(("[PropertyHandler_MicInTopoFilter]")); + + // PropertryRequest structure is filled by portcls. + // MajorTarget is a pointer to miniport object for miniports. + // + NTSTATUS ntStatus = STATUS_INVALID_DEVICE_REQUEST; + + // + // This line shows how to get a pointer to the miniport topology object. + // + PCMiniportTopology pMiniport = (PCMiniportTopology)PropertyRequest->MajorTarget; + UNREFERENCED_VAR(pMiniport); + + if (IsEqualGUIDAligned(*PropertyRequest->PropertyItem->Set, KSPROPSETID_Jack)) + { + if (PropertyRequest->PropertyItem->Id == KSPROPERTY_JACK_DESCRIPTION) + { + ntStatus = PropertyHandler_MicInJackDescription(PropertyRequest); + } + else if (PropertyRequest->PropertyItem->Id == KSPROPERTY_JACK_DESCRIPTION2) + { + ntStatus = PropertyHandler_MicInJackDescription2(PropertyRequest); + } + } + + return ntStatus; +} // PropertyHandler_MicInTopoFilter + +#pragma code_seg() + |
