Sample Code
windows driver samples/ Microsoft slate system virtual audio device driver sample/ C++/ SlateAudioSample/ speakerhptoptable.h/
/*++ Copyright (c) Microsoft Corporation All Rights Reserved Module Name: speakerhptoptable.h Abstract: Declaration of topology tables for the speaker (external: headphone). --*/ #ifndef _SYSVAD_SPEAKERHPTOPTABLE_H_ #define _SYSVAD_SPEAKERHPTOPTABLE_H_ #include "hptoptable.h" //============================================================================= static KSDATARANGE SpeakerHpTopoPinDataRangesBridge[] = { { sizeof(KSDATARANGE), 0, 0, 0, STATICGUIDOF(KSDATAFORMAT_TYPE_AUDIO), STATICGUIDOF(KSDATAFORMAT_SUBTYPE_ANALOG), STATICGUIDOF(KSDATAFORMAT_SPECIFIER_NONE) } }; //============================================================================= static PKSDATARANGE SpeakerHpTopoPinDataRangePointersBridge[] = { &SpeakerHpTopoPinDataRangesBridge[0] }; //============================================================================= static PCPIN_DESCRIPTOR SpeakerHpTopoMiniportPins[] = { // KSPIN - topology filter in-pin { 0, 0, 0, // InstanceCount NULL, // AutomationTable { // KsPinDescriptor 0, // InterfacesCount NULL, // Interfaces 0, // MediumsCount NULL, // Mediums SIZEOF_ARRAY(SpeakerHpTopoPinDataRangePointersBridge),// DataRangesCount SpeakerHpTopoPinDataRangePointersBridge, // DataRanges KSPIN_DATAFLOW_IN, // DataFlow KSPIN_COMMUNICATION_NONE, // Communication &KSCATEGORY_AUDIO, // Category NULL, // Name 0 // Reserved } }, // KSPIN - topology filter out-pin { 0, 0, 0, // InstanceCount NULL, // AutomationTable { // KsPinDescriptor 0, // InterfacesCount NULL, // Interfaces 0, // MediumsCount NULL, // Mediums SIZEOF_ARRAY(SpeakerHpTopoPinDataRangePointersBridge),// DataRangesCount SpeakerHpTopoPinDataRangePointersBridge, // DataRanges KSPIN_DATAFLOW_OUT, // DataFlow KSPIN_COMMUNICATION_NONE, // Communication &KSNODETYPE_HEADPHONES, // Category NULL, // Name 0 // Reserved } } }; //============================================================================= // Only return a KSJACK_DESCRIPTION for the physical bridge pin. static PKSJACK_DESCRIPTION SpeakerHpJackDescriptions[] = { NULL, &HpJackDesc }; //============================================================================= static PCCONNECTION_DESCRIPTOR SpeakerHpTopoMiniportConnections[] = { // FromNode, FromPin, ToNode, ToPin { PCFILTER_NODE, KSPIN_TOPO_WAVEOUT_SOURCE, PCFILTER_NODE, KSPIN_TOPO_LINEOUT_DEST} }; //============================================================================= static PCPROPERTY_ITEM PropertiesSpeakerHpTopoFilter[] = { { &KSPROPSETID_Jack, KSPROPERTY_JACK_DESCRIPTION, KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT, PropertyHandler_SpeakerHpTopoFilter }, { &KSPROPSETID_Jack, KSPROPERTY_JACK_DESCRIPTION2, KSPROPERTY_TYPE_GET | KSPROPERTY_TYPE_BASICSUPPORT, PropertyHandler_SpeakerHpTopoFilter } }; DEFINE_PCAUTOMATION_TABLE_PROP(AutomationSpeakerHpTopoFilter, PropertiesSpeakerHpTopoFilter); //============================================================================= static PCFILTER_DESCRIPTOR SpeakerHpTopoMiniportFilterDescriptor = { 0, // Version &AutomationSpeakerHpTopoFilter, // AutomationTable sizeof(PCPIN_DESCRIPTOR), // PinSize SIZEOF_ARRAY(SpeakerHpTopoMiniportPins), // PinCount SpeakerHpTopoMiniportPins, // Pins sizeof(PCNODE_DESCRIPTOR), // NodeSize 0, // NodeCount NULL, // Nodes SIZEOF_ARRAY(SpeakerHpTopoMiniportConnections), // ConnectionCount SpeakerHpTopoMiniportConnections, // Connections 0, // CategoryCount NULL // Categories }; #endif // _SYSVAD_SPEAKERHPTOPTABLE_H_
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