Sample Code
Windows Driver Samples/ Microsoft slate system virtual audio device driver sample/ C++/ SlateAudioSample/ speakertoptable.h/
/*++ Copyright (c) Microsoft Corporation All Rights Reserved Module Name: speakertoptable.h Abstract: Declaration of topology tables. --*/ #ifndef _SYSVAD_SPEAKERTOPTABLE_H_ #define _SYSVAD_SPEAKERTOPTABLE_H_ //============================================================================= static KSDATARANGE SpeakerTopoPinDataRangesBridge[] = { { sizeof(KSDATARANGE), 0, 0, 0, STATICGUIDOF(KSDATAFORMAT_TYPE_AUDIO), STATICGUIDOF(KSDATAFORMAT_SUBTYPE_ANALOG), STATICGUIDOF(KSDATAFORMAT_SPECIFIER_NONE) } }; //============================================================================= static PKSDATARANGE SpeakerTopoPinDataRangePointersBridge[] = { &SpeakerTopoPinDataRangesBridge[0] }; //============================================================================= static PCPIN_DESCRIPTOR SpeakerTopoMiniportPins[] = { // KSPIN_TOPO_WAVEOUT_SOURCE { 0, 0, 0, // InstanceCount NULL, // AutomationTable { // KsPinDescriptor 0, // InterfacesCount NULL, // Interfaces 0, // MediumsCount NULL, // Mediums SIZEOF_ARRAY(SpeakerTopoPinDataRangePointersBridge),// DataRangesCount SpeakerTopoPinDataRangePointersBridge, // DataRanges KSPIN_DATAFLOW_IN, // DataFlow KSPIN_COMMUNICATION_NONE, // Communication &KSCATEGORY_AUDIO, // Category NULL, // Name 0 // Reserved } }, // KSPIN_TOPO_LINEOUT_DEST { 0, 0, 0, // InstanceCount NULL, // AutomationTable { // KsPinDescriptor 0, // InterfacesCount NULL, // Interfaces 0, // MediumsCount NULL, // Mediums SIZEOF_ARRAY(SpeakerTopoPinDataRangePointersBridge),// DataRangesCount SpeakerTopoPinDataRangePointersBridge, // DataRanges KSPIN_DATAFLOW_OUT, // DataFlow KSPIN_COMMUNICATION_NONE, // Communication &KSNODETYPE_SPEAKER, // Category NULL, // Name 0 // Reserved } } }; //============================================================================= static KSJACK_DESCRIPTION SpeakerJackDescSpeakers = { KSAUDIO_SPEAKER_STEREO, 0xB3C98C, // Color spec for green eConnTypeUnknown, eGeoLocFront, eGenLocPrimaryBox, ePortConnIntegratedDevice, TRUE }; // Only return a KSJACK_DESCRIPTION for the physical bridge pin. static PKSJACK_DESCRIPTION SpeakerJackDescriptions[] = { NULL, &SpeakerJackDescSpeakers }; //============================================================================= static PCCONNECTION_DESCRIPTOR SpeakerTopoMiniportConnections[] = { // FromNode, FromPin, ToNode, ToPin { PCFILTER_NODE, KSPIN_TOPO_WAVEOUT_SOURCE, PCFILTER_NODE, KSPIN_TOPO_LINEOUT_DEST} }; //============================================================================= static PCPROPERTY_ITEM PropertiesSpeakerTopoFilter[] = { { &KSPROPSETID_Jack, KSPROPERTY_JACK_DESCRIPTION, KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT, PropertyHandler_SpeakerTopoFilter }, { &KSPROPSETID_Jack, KSPROPERTY_JACK_DESCRIPTION2, KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT, PropertyHandler_SpeakerTopoFilter } }; DEFINE_PCAUTOMATION_TABLE_PROP(AutomationSpeakerTopoFilter, PropertiesSpeakerTopoFilter); //============================================================================= static PCFILTER_DESCRIPTOR SpeakerTopoMiniportFilterDescriptor = { 0, // Version &AutomationSpeakerTopoFilter, // AutomationTable sizeof(PCPIN_DESCRIPTOR), // PinSize SIZEOF_ARRAY(SpeakerTopoMiniportPins), // PinCount SpeakerTopoMiniportPins, // Pins sizeof(PCNODE_DESCRIPTOR), // NodeSize 0, // NodeCount NULL, // Nodes SIZEOF_ARRAY(SpeakerTopoMiniportConnections), // ConnectionCount SpeakerTopoMiniportConnections, // Connections 0, // CategoryCount NULL // Categories }; #endif // _SYSVAD_SPEAKERTOPTABLE_H_
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