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Diffstat (limited to 'audio/SoundWire/Samples/SdcaVad/SdcaVCodec/CircuitHelper.cpp')
| -rw-r--r-- | audio/SoundWire/Samples/SdcaVad/SdcaVCodec/CircuitHelper.cpp | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/audio/SoundWire/Samples/SdcaVad/SdcaVCodec/CircuitHelper.cpp b/audio/SoundWire/Samples/SdcaVad/SdcaVCodec/CircuitHelper.cpp new file mode 100644 index 00000000..e7b36b1f --- /dev/null +++ b/audio/SoundWire/Samples/SdcaVad/SdcaVCodec/CircuitHelper.cpp @@ -0,0 +1,286 @@ +/*++ + + THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY + KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR + PURPOSE. + +Module Name: + + CircuitHelper.cpp + +Abstract: + + This module contains helper functions for device.cpp and render.cpp files. + +Environment: + + Kernel mode + +--*/ + +#include "private.h" +#include "CircuitHelper.h" + +#ifndef __INTELLISENSE__ +#include "CircuitHelper.tmh" +#endif + +PAGED_CODE_SEG +NTSTATUS CreateRenderCircuit( + _In_ PACXCIRCUIT_INIT CircuitInit, + _In_ UNICODE_STRING CircuitName, + _In_ WDFDEVICE Device, + _Out_ ACXCIRCUIT* Circuit +) +{ + + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + WDF_OBJECT_ATTRIBUTES attributes; + WDF_OBJECT_ATTRIBUTES_INIT(&attributes); + WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&attributes, CODEC_RENDER_CIRCUIT_CONTEXT); + + RETURN_NTSTATUS_IF_FAILED(AcxCircuitInitAssignName(CircuitInit, &CircuitName)); + + // + // Add circuit type. + // + AcxCircuitInitSetCircuitType(CircuitInit, AcxCircuitTypeRender); + + // + // Assign the circuit's pnp-power callbacks. + // + { + ACX_CIRCUIT_PNPPOWER_CALLBACKS powerCallbacks; + ACX_CIRCUIT_PNPPOWER_CALLBACKS_INIT(&powerCallbacks); + powerCallbacks.EvtAcxCircuitPowerUp = CodecR_EvtCircuitPowerUp; + powerCallbacks.EvtAcxCircuitPowerDown = CodecR_EvtCircuitPowerDown; + AcxCircuitInitSetAcxCircuitPnpPowerCallbacks(CircuitInit, &powerCallbacks); + } + + // + // Assign the circuit's composite callbacks. + // + { + ACX_CIRCUIT_COMPOSITE_CALLBACKS compositeCallbacks; + ACX_CIRCUIT_COMPOSITE_CALLBACKS_INIT(&compositeCallbacks); + compositeCallbacks.EvtAcxCircuitCompositeCircuitInitialize = CodecR_EvtCircuitCompositeCircuitInitialize; + compositeCallbacks.EvtAcxCircuitCompositeInitialize = CodecR_EvtCircuitCompositeInitialize; + AcxCircuitInitSetAcxCircuitCompositeCallbacks(CircuitInit, &compositeCallbacks); + } + + // + // Set circuit-callbacks. + // + RETURN_NTSTATUS_IF_FAILED(AcxCircuitInitAssignAcxRequestPreprocessCallback( + CircuitInit, + CodecR_EvtCircuitRequestPreprocess, + (ACXCONTEXT)AcxRequestTypeAny, // dbg only + AcxRequestTypeAny, + NULL, + AcxItemIdNone)); + + RETURN_NTSTATUS_IF_FAILED(AcxCircuitInitAssignAcxCreateStreamCallback( + CircuitInit, + CodecR_EvtCircuitCreateStream)); + + // + // Create the circuit. + // + WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&attributes, CODEC_RENDER_CIRCUIT_CONTEXT); + RETURN_NTSTATUS_IF_FAILED(AcxCircuitCreate(Device, &attributes, &CircuitInit, Circuit)); + + return status; +} + +PAGED_CODE_SEG +NTSTATUS ConnectRenderCircuitElements( + _In_ ULONG ElementCount, + _In_reads_(ElementCount) ACXELEMENT* Elements, + _In_ ACXCIRCUIT Circuit +) +{ + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + // + // Explicitly connect the circuit/elements. Note that driver doens't + // need to perform this step when circuit/elements are connected in the + // same order as they were added to the circuit. By default ACX connects + // the elements starting from the sink circuit pin and ending with the + // source circuit pin for both render and capture devices. + // + // circuit.pin[default_sink] -> 1st element.pin[default_in] + // 1st element.pin[default_out] -> 2nd element.pin[default_in] + // 2nd element.pin[default_out] -> circuit.pin[default_source] + // + const int numElements = 2; + const int numConnections = numElements + 1; + + ACX_CONNECTION connections[numConnections]; + ACX_CONNECTION_INIT(&connections[0], Circuit, Elements[ElementCount - 2]); + ACX_CONNECTION_INIT(&connections[1], Elements[ElementCount - 2], Elements[ElementCount - 1]); + ACX_CONNECTION_INIT(&connections[2], Elements[ElementCount - 1], Circuit); + + // + // Add the connections linking circuit to elements. + // + RETURN_NTSTATUS_IF_FAILED(AcxCircuitAddConnections(Circuit, connections, SIZEOF_ARRAY(connections))); + + return status; +} + +PAGED_CODE_SEG +NTSTATUS ObjBagAddBlob( + _In_ ACXOBJECTBAG ObjBag, + _In_z_ const char* Blob +) +{ + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + DECLARE_CONST_ACXOBJECTBAG_SYSTEM_PROPERTY_NAME(VendorPropertiesBlock); + STRING vendorBlob; + RtlInitString(&vendorBlob, Blob); + WDFMEMORY vendorBlobMem; + RETURN_NTSTATUS_IF_FAILED(WdfMemoryCreatePreallocated(NULL, vendorBlob.Buffer, vendorBlob.MaximumLength, &vendorBlobMem)); + RETURN_NTSTATUS_IF_FAILED(AcxObjectBagAddBlob(ObjBag, &VendorPropertiesBlock, vendorBlobMem)); + WdfObjectDelete(vendorBlobMem); + + return status; +} + +PAGED_CODE_SEG +NTSTATUS ObjBagAddEndpointId( + _In_ ACXOBJECTBAG ObjBag, + _In_ UINT Value +) +{ + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + DECLARE_CONST_ACXOBJECTBAG_SOUNDWIRE_PROPERTY_NAME(EndpointId); + RETURN_NTSTATUS_IF_FAILED(AcxObjectBagAddUI4(ObjBag, &EndpointId, Value)); + + return status; +} + +PAGED_CODE_SEG +NTSTATUS ObjBagAddDataPortNumber( + _In_ ACXOBJECTBAG ObjBag, + _In_ UINT Value +) +{ + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + DECLARE_CONST_ACXOBJECTBAG_SOUNDWIRE_PROPERTY_NAME(DataPortNumber); + RETURN_NTSTATUS_IF_FAILED(AcxObjectBagAddUI4(ObjBag, &DataPortNumber, Value)); + + return status; +} + +PAGED_CODE_SEG +NTSTATUS ObjBagAddTestUI4( + _In_ ACXOBJECTBAG ObjBag, + _In_ UINT Value +) +{ + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + DECLARE_CONST_ACXOBJECTBAG_DRIVER_PROPERTY_NAME(msft, TestUI4); + RETURN_NTSTATUS_IF_FAILED(AcxObjectBagAddUI4(ObjBag, &TestUI4, Value)); + + return status; +} + + +PAGED_CODE_SEG +NTSTATUS ObjBagAddCircuitId( + _In_ ACXOBJECTBAG ObjBag, + _In_ GUID Guid +) +{ + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + DECLARE_CONST_ACXOBJECTBAG_DRIVER_PROPERTY_NAME(msft, CircuitId); + RETURN_NTSTATUS_IF_FAILED(AcxObjectBagAddGuid(ObjBag, &CircuitId, Guid)); + + return status; +} + +PAGED_CODE_SEG +NTSTATUS ObjBagAddUnicodeStrings( + _In_ ACXOBJECTBAG ObjBag, + _In_ UNICODE_STRING FriendlyNameStr, + _In_ UNICODE_STRING NameStr +) +{ + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + DECLARE_CONST_ACXOBJECTBAG_SYSTEM_PROPERTY_NAME(FriendlyName); + RETURN_NTSTATUS_IF_FAILED(AcxObjectBagAddUnicodeString(ObjBag, &FriendlyName, &FriendlyNameStr)); + + DECLARE_CONST_ACXOBJECTBAG_SYSTEM_PROPERTY_NAME(Name); + RETURN_NTSTATUS_IF_FAILED(AcxObjectBagAddUnicodeString(ObjBag, &Name, &NameStr)); + + return status; +} + +PAGED_CODE_SEG +NTSTATUS AddJack( + _In_ WDF_OBJECT_ATTRIBUTES Attributes, + _In_ ACXPIN Pin, + _In_ ULONG ChannelMapping, + _In_ ULONG Color, + _In_ ACX_JACK_CONNECTION_TYPE ConnectionType, + _In_ ACX_JACK_GEO_LOCATION GeoLocation, + _In_ ACX_JACK_GEN_LOCATION GenLocation, + _In_ ACX_JACK_PORT_CONNECTION PortConnection +) +{ + PAGED_CODE(); + + NTSTATUS status = STATUS_SUCCESS; + + ACX_JACK_CONFIG jackCfg; + ACX_JACK_CONFIG_INIT(&jackCfg); + jackCfg.Description.ChannelMapping = ChannelMapping; + jackCfg.Description.Color = Color; + jackCfg.Description.ConnectionType = ConnectionType; + jackCfg.Description.GeoLocation = GeoLocation; + jackCfg.Description.GenLocation = GenLocation; + jackCfg.Description.PortConnection = PortConnection; + + WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&Attributes, CODEC_JACK_CONTEXT); + Attributes.ParentObject = Pin; + + ACXJACK jack; + RETURN_NTSTATUS_IF_FAILED(AcxJackCreate(Pin, &Attributes, &jackCfg, &jack)); + + ASSERT(jack != NULL); + + PCODEC_JACK_CONTEXT jackCtx; + jackCtx = GetCodecJackContext(jack); + ASSERT(jackCtx); + jackCtx->Dummy = 0; + + RETURN_NTSTATUS_IF_FAILED(AcxPinAddJacks(Pin, &jack, 1)); + + return status; +} + + |