vendor/winapi/src/um/mmdeviceapi.rs - toolchain/rustc - Git at Google

 // Copyright © 2015-2017 winapi-rs developers
 // Licensed under the Apache License, Version 2.0
 // <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
 // All files in the project carrying such notice may not be copied, modified, or distributed
 // except according to those terms
 //! this ALWAYS GENERATED file contains the definitions for the interfaces
 use ctypes::c_void;
 use shared::guiddef::{GUID, REFIID};
 use shared::minwindef::{DWORD, LPARAM, LPVOID, UINT};
 // use shared::winerror::{ERROR_NOT_FOUND, ERROR_UNSUPPORTED_TYPE, HRESULT_FROM_WIN32};
 use shared::wtypes::PROPERTYKEY;
 use um::propidl::PROPVARIANT;
 use um::propsys::IPropertyStore;
 use um::unknwnbase::{IUnknown, IUnknownVtbl};
 use um::winnt::{HRESULT, LPCWSTR, LPWSTR};
 // pub const E_NOTFOUND: HRESULT = HRESULT_FROM_WIN32(ERROR_NOT_FOUND);
 // pub const E_UNSUPPORTED_TYPE: HRESULT = HRESULT_FROM_WIN32(ERROR_UNSUPPORTED_TYPE);
 pub const DEVICE_STATE_ACTIVE: DWORD = 0x00000001;
 pub const DEVICE_STATE_DISABLED: DWORD = 0x00000002;
 pub const DEVICE_STATE_NOTPRESENT: DWORD = 0x00000004;
 pub const DEVICE_STATE_UNPLUGGED: DWORD = 0x00000008;
 pub const DEVICE_STATEMASK_ALL: DWORD = 0x0000000F;
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_FormFactor,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 0}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_ControlPanelPageProvider,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 1}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_Association,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 2}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_PhysicalSpeakers,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 3}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_GUID,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 4}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_Disable_SysFx,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 5}
 pub const ENDPOINT_SYSFX_ENABLED: DWORD = 0x00000000;
 pub const ENDPOINT_SYSFX_DISABLED: DWORD = 0x00000001;
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_FullRangeSpeakers,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 6}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_Supports_EventDriven_Mode,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 7}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_JackSubType,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 8}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_Default_VolumeInDb,
     0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 9}
 DEFINE_PROPERTYKEY!{PKEY_AudioEngine_DeviceFormat,
     0xf19f064d, 0x82c, 0x4e27, 0xbc, 0x73, 0x68, 0x82, 0xa1, 0xbb, 0x8e, 0x4c, 0}
 DEFINE_PROPERTYKEY!{PKEY_AudioEngine_OEMFormat,
     0xe4870e26, 0x3cc5, 0x4cd2, 0xba, 0x46, 0xca, 0xa, 0x9a, 0x70, 0xed, 0x4, 3}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpointLogo_IconEffects,
     0xf1ab780d, 0x2010, 0x4ed3, 0xa3, 0xa6, 0x8b, 0x87, 0xf0, 0xf0, 0xc4, 0x76, 0}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpointLogo_IconPath,
     0xf1ab780d, 0x2010, 0x4ed3, 0xa3, 0xa6, 0x8b, 0x87, 0xf0, 0xf0, 0xc4, 0x76, 1}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpointSettings_MenuText,
     0x14242002, 0x0320, 0x4de4, 0x95, 0x55, 0xa7, 0xd8, 0x2b, 0x73, 0xc2, 0x86, 0}
 DEFINE_PROPERTYKEY!{PKEY_AudioEndpointSettings_LaunchContract,
     0x14242002, 0x0320, 0x4de4, 0x95, 0x55, 0xa7, 0xd8, 0x2b, 0x73, 0xc2, 0x86, 1}
 STRUCT!{struct DIRECTX_AUDIO_ACTIVATION_PARAMS {
     cbDirectXAudioActivationParams: DWORD,
     guidAudioSession: GUID,
     dwAudioStreamFlags: DWORD,
 }}
 pub type PDIRECTX_AUDIO_ACTIVATION_PARAMS = *mut DIRECTX_AUDIO_ACTIVATION_PARAMS;
 ENUM!{enum EDataFlow {
     eRender,
     eCapture,
     eAll,
     EDataFlow_enum_count,
 }}
 ENUM!{enum ERole {
     eConsole,
     eMultimedia,
     eCommunications,
     ERole_enum_count,
 }}
 ENUM!{enum EndpointFormFactor {
     RemoteNetworkDevice,
     Speakers,
     LineLevel,
     Headphones,
     Microphone,
     Headset,
     Handset,
     UnknownDigitalPassthrough,
     SPDIF,
     DigitalAudioDisplayDevice,
     UnknownFormFactor,
     EndpointFormFactor_enum_count,
 }}
 pub const HDMI: EndpointFormFactor = DigitalAudioDisplayDevice;
 DEFINE_GUID!{DEVINTERFACE_AUDIO_RENDER,
     0xe6327cad, 0xdcec, 0x4949, 0xae, 0x8a, 0x99, 0x1e, 0x97, 0x6a, 0x79, 0xd2}
 DEFINE_GUID!{DEVINTERFACE_AUDIO_CAPTURE,
     0x2eef81be, 0x33fa, 0x4800, 0x96, 0x70, 0x1c, 0xd4, 0x74, 0x97, 0x2c, 0x3f}
 DEFINE_GUID!{DEVINTERFACE_MIDI_OUTPUT,
     0x6dc23320, 0xab33, 0x4ce4, 0x80, 0xd4, 0xbb, 0xb3, 0xeb, 0xbf, 0x28, 0x14}
 DEFINE_GUID!{DEVINTERFACE_MIDI_INPUT,
     0x504be32c, 0xccf6, 0x4d2c, 0xb7, 0x3f, 0x6f, 0x8b, 0x37, 0x47, 0xe2, 0x2b}
 RIDL!{#[uuid(0x7991eec9, 0x7e89, 0x4d85, 0x83, 0x90, 0x6c, 0x70, 0x3c, 0xec, 0x60, 0xc0)]
 interface IMMNotificationClient(IMMNotificationClientVtbl): IUnknown(IUnknownVtbl) {
     fn OnDeviceStateChanged(
         pwstrDeviceId: LPCWSTR,
         dwNewState: DWORD,
     ) -> HRESULT,
     fn OnDeviceAdded(
         pwstrDeviceId: LPCWSTR,
     ) -> HRESULT,
     fn OnDeviceRemoved(
         pwstrDeviceId: LPCWSTR,
     ) -> HRESULT,
     fn OnDefaultDeviceChanged(
         flow: EDataFlow,
         role: ERole,
         pwstrDefaultDeviceId: LPCWSTR,
     ) -> HRESULT,
     fn OnPropertyValueChanged(
         pwstrDeviceId: LPCWSTR,
         key: PROPERTYKEY,
     ) -> HRESULT,
 }}
 RIDL!{#[uuid(0xd666063f, 0x1587, 0x4e43, 0x81, 0xf1, 0xb9, 0x48, 0xe8, 0x07, 0x36, 0x3f)]
 interface IMMDevice(IMMDeviceVtbl): IUnknown(IUnknownVtbl) {
     fn Activate(
         iid: REFIID,
         dwClsCtx: DWORD,
         pActivationParams: *mut PROPVARIANT,
         ppInterface: *mut LPVOID,
     ) -> HRESULT,
     fn OpenPropertyStore(
         stgmAccess: DWORD,
         ppProperties: *mut *mut IPropertyStore,
     ) -> HRESULT,
     fn GetId(
         ppstrId: *mut LPWSTR,
     ) -> HRESULT,
     fn GetState(
         pdwState: *mut DWORD,
     ) -> HRESULT,
 }}
 RIDL!{#[uuid(0x0bd7a1be, 0x7a1a, 0x44db, 0x83, 0x97, 0xcc, 0x53, 0x92, 0x38, 0x7b, 0x5e)]
 interface IMMDeviceCollection(IMMDeviceCollectionVtbl): IUnknown(IUnknownVtbl) {
     fn GetCount(
         pcDevices: *const UINT,
     ) -> HRESULT,
     fn Item(
         nDevice: UINT,
         ppDevice: *mut *mut IMMDevice,
     ) -> HRESULT,
 }}
 RIDL!{#[uuid(0x1be09788, 0x6894, 0x4089, 0x85, 0x86, 0x9a, 0x2a, 0x6c, 0x26, 0x5a, 0xc5)]
 interface IMMEndpoint(IMMEndpointVtbl): IUnknown(IUnknownVtbl) {
     fn GetDataFlow(
         pDataFlow: *mut EDataFlow,
     ) -> HRESULT,
 }}
 RIDL!{#[uuid(0xa95664d2, 0x9614, 0x4f35, 0xa7, 0x46, 0xde, 0x8d, 0xb6, 0x36, 0x17, 0xe6)]
 interface IMMDeviceEnumerator(IMMDeviceEnumeratorVtbl): IUnknown(IUnknownVtbl) {
     fn EnumAudioEndpoints(
         dataFlow: EDataFlow,
         dwStateMask: DWORD,
         ppDevices: *mut *mut IMMDeviceCollection,
     ) -> HRESULT,
     fn GetDefaultAudioEndpoint(
         dataFlow: EDataFlow,
         role: ERole,
         ppEndpoint: *mut *mut IMMDevice,
     ) -> HRESULT,
     fn GetDevice(
         pwstrId: LPCWSTR,
         ppDevices: *mut *mut IMMDevice,
     ) -> HRESULT,
     fn RegisterEndpointNotificationCallback(
         pClient: *mut IMMNotificationClient,
     ) -> HRESULT,
     fn UnregisterEndpointNotificationCallback(
         pClient: *mut IMMNotificationClient,
     ) -> HRESULT,
 }}
 RIDL!{#[uuid(0x3b0d0ea4, 0xd0a9, 0x4b0e, 0x93, 0x5b, 0x09, 0x51, 0x67, 0x46, 0xfa, 0xc0)]
 interface IMMDeviceActivator(IMMDeviceActivatorVtbl): IUnknown(IUnknownVtbl) {
     fn Activate(
         iid: REFIID,
         pDevice: *mut IMMDevice,
         pActivationParams: *mut PROPVARIANT,
         ppInterface: *mut *mut c_void,
     ) -> HRESULT,
 }}
 RIDL!{#[uuid(0x41d949ab, 0x9862, 0x444a, 0x80, 0xf6, 0xc2, 0x61, 0x33, 0x4d, 0xa5, 0xeb)]
 interface IActivateAudioInterfaceCompletionHandler(IActivateAudioInterfaceCompletionHandlerVtbl):
     IUnknown(IUnknownVtbl) {
     fn ActivateCompleted(
         activateOperation: *mut IActivateAudioInterfaceAsyncOperation,
     ) -> HRESULT,
 }}
 RIDL!{#[uuid(0x72a22d78, 0xcde4, 0x431d, 0xb8, 0xcc, 0x84, 0x3a, 0x71, 0x19, 0x9b, 0x6d)]
 interface IActivateAudioInterfaceAsyncOperation(IActivateAudioInterfaceAsyncOperationVtbl):
     IUnknown(IUnknownVtbl) {
     fn GetActivateResult(
         activateResult: *mut HRESULT,
         activatedInterface: *mut *mut IUnknown,
     ) -> HRESULT,
 }}
 extern "system" {
     pub fn ActivateAudioInterfaceAsync(
         deviceInterfacePath: LPCWSTR,
         riid: REFIID,
         activationParams: *mut PROPVARIANT,
         completionHandler: *mut IActivateAudioInterfaceCompletionHandler,
         activationOperation: *mut *mut IActivateAudioInterfaceAsyncOperation,
     ) -> HRESULT;
 }
 STRUCT!{struct AudioExtensionParams {
     AddPageParam: LPARAM,
     pEndpoint: *mut IMMDevice,
     pPnpInterface: *mut IMMDevice,
     pPnpDevnode: *mut IMMDevice,
 }}
 DEFINE_GUID!{CLSID_MMDeviceEnumerator,
     0xBCDE0395, 0xE52F, 0x467C, 0x8E, 0x3D, 0xC4, 0x57, 0x92, 0x91, 0x69, 0x2E}
	// Copyright © 2015-2017 winapi-rs developers
	// Licensed under the Apache License, Version 2.0
	// <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
	// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
	// All files in the project carrying such notice may not be copied, modified, or distributed
	// except according to those terms
	//! this ALWAYS GENERATED file contains the definitions for the interfaces
	use ctypes::c_void;
	use shared::guiddef::{GUID, REFIID};
	use shared::minwindef::{DWORD, LPARAM, LPVOID, UINT};
	// use shared::winerror::{ERROR_NOT_FOUND, ERROR_UNSUPPORTED_TYPE, HRESULT_FROM_WIN32};
	use shared::wtypes::PROPERTYKEY;
	use um::propidl::PROPVARIANT;
	use um::propsys::IPropertyStore;
	use um::unknwnbase::{IUnknown, IUnknownVtbl};
	use um::winnt::{HRESULT, LPCWSTR, LPWSTR};
	// pub const E_NOTFOUND: HRESULT = HRESULT_FROM_WIN32(ERROR_NOT_FOUND);
	// pub const E_UNSUPPORTED_TYPE: HRESULT = HRESULT_FROM_WIN32(ERROR_UNSUPPORTED_TYPE);
	pub const DEVICE_STATE_ACTIVE: DWORD = 0x00000001;
	pub const DEVICE_STATE_DISABLED: DWORD = 0x00000002;
	pub const DEVICE_STATE_NOTPRESENT: DWORD = 0x00000004;
	pub const DEVICE_STATE_UNPLUGGED: DWORD = 0x00000008;
	pub const DEVICE_STATEMASK_ALL: DWORD = 0x0000000F;
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_FormFactor,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 0}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_ControlPanelPageProvider,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 1}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_Association,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 2}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_PhysicalSpeakers,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 3}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_GUID,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 4}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_Disable_SysFx,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 5}
	pub const ENDPOINT_SYSFX_ENABLED: DWORD = 0x00000000;
	pub const ENDPOINT_SYSFX_DISABLED: DWORD = 0x00000001;
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_FullRangeSpeakers,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 6}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_Supports_EventDriven_Mode,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 7}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_JackSubType,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 8}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpoint_Default_VolumeInDb,
	0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23, 0xe0, 0xc0, 0xff, 0xee, 0x7f, 0x0e, 9}
	DEFINE_PROPERTYKEY!{PKEY_AudioEngine_DeviceFormat,
	0xf19f064d, 0x82c, 0x4e27, 0xbc, 0x73, 0x68, 0x82, 0xa1, 0xbb, 0x8e, 0x4c, 0}
	DEFINE_PROPERTYKEY!{PKEY_AudioEngine_OEMFormat,
	0xe4870e26, 0x3cc5, 0x4cd2, 0xba, 0x46, 0xca, 0xa, 0x9a, 0x70, 0xed, 0x4, 3}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpointLogo_IconEffects,
	0xf1ab780d, 0x2010, 0x4ed3, 0xa3, 0xa6, 0x8b, 0x87, 0xf0, 0xf0, 0xc4, 0x76, 0}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpointLogo_IconPath,
	0xf1ab780d, 0x2010, 0x4ed3, 0xa3, 0xa6, 0x8b, 0x87, 0xf0, 0xf0, 0xc4, 0x76, 1}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpointSettings_MenuText,
	0x14242002, 0x0320, 0x4de4, 0x95, 0x55, 0xa7, 0xd8, 0x2b, 0x73, 0xc2, 0x86, 0}
	DEFINE_PROPERTYKEY!{PKEY_AudioEndpointSettings_LaunchContract,
	0x14242002, 0x0320, 0x4de4, 0x95, 0x55, 0xa7, 0xd8, 0x2b, 0x73, 0xc2, 0x86, 1}
	STRUCT!{struct DIRECTX_AUDIO_ACTIVATION_PARAMS {
	cbDirectXAudioActivationParams: DWORD,
	guidAudioSession: GUID,
	dwAudioStreamFlags: DWORD,
	}}
	pub type PDIRECTX_AUDIO_ACTIVATION_PARAMS = *mut DIRECTX_AUDIO_ACTIVATION_PARAMS;
	ENUM!{enum EDataFlow {
	eRender,
	eCapture,
	eAll,
	EDataFlow_enum_count,
	}}
	ENUM!{enum ERole {
	eConsole,
	eMultimedia,
	eCommunications,
	ERole_enum_count,
	}}
	ENUM!{enum EndpointFormFactor {
	RemoteNetworkDevice,
	Speakers,
	LineLevel,
	Headphones,
	Microphone,
	Headset,
	Handset,
	UnknownDigitalPassthrough,
	SPDIF,
	DigitalAudioDisplayDevice,
	UnknownFormFactor,
	EndpointFormFactor_enum_count,
	}}
	pub const HDMI: EndpointFormFactor = DigitalAudioDisplayDevice;
	DEFINE_GUID!{DEVINTERFACE_AUDIO_RENDER,
	0xe6327cad, 0xdcec, 0x4949, 0xae, 0x8a, 0x99, 0x1e, 0x97, 0x6a, 0x79, 0xd2}
	DEFINE_GUID!{DEVINTERFACE_AUDIO_CAPTURE,
	0x2eef81be, 0x33fa, 0x4800, 0x96, 0x70, 0x1c, 0xd4, 0x74, 0x97, 0x2c, 0x3f}
	DEFINE_GUID!{DEVINTERFACE_MIDI_OUTPUT,
	0x6dc23320, 0xab33, 0x4ce4, 0x80, 0xd4, 0xbb, 0xb3, 0xeb, 0xbf, 0x28, 0x14}
	DEFINE_GUID!{DEVINTERFACE_MIDI_INPUT,
	0x504be32c, 0xccf6, 0x4d2c, 0xb7, 0x3f, 0x6f, 0x8b, 0x37, 0x47, 0xe2, 0x2b}
	RIDL!{#[uuid(0x7991eec9, 0x7e89, 0x4d85, 0x83, 0x90, 0x6c, 0x70, 0x3c, 0xec, 0x60, 0xc0)]
	interface IMMNotificationClient(IMMNotificationClientVtbl): IUnknown(IUnknownVtbl) {
	fn OnDeviceStateChanged(
	pwstrDeviceId: LPCWSTR,
	dwNewState: DWORD,
	) -> HRESULT,
	fn OnDeviceAdded(
	pwstrDeviceId: LPCWSTR,
	) -> HRESULT,
	fn OnDeviceRemoved(
	pwstrDeviceId: LPCWSTR,
	) -> HRESULT,
	fn OnDefaultDeviceChanged(
	flow: EDataFlow,
	role: ERole,
	pwstrDefaultDeviceId: LPCWSTR,
	) -> HRESULT,
	fn OnPropertyValueChanged(
	pwstrDeviceId: LPCWSTR,
	key: PROPERTYKEY,
	) -> HRESULT,
	}}
	RIDL!{#[uuid(0xd666063f, 0x1587, 0x4e43, 0x81, 0xf1, 0xb9, 0x48, 0xe8, 0x07, 0x36, 0x3f)]
	interface IMMDevice(IMMDeviceVtbl): IUnknown(IUnknownVtbl) {
	fn Activate(
	iid: REFIID,
	dwClsCtx: DWORD,
	pActivationParams: *mut PROPVARIANT,
	ppInterface: *mut LPVOID,
	) -> HRESULT,
	fn OpenPropertyStore(
	stgmAccess: DWORD,
	ppProperties: mut mut IPropertyStore,
	) -> HRESULT,
	fn GetId(
	ppstrId: *mut LPWSTR,
	) -> HRESULT,
	fn GetState(
	pdwState: *mut DWORD,
	) -> HRESULT,
	}}
	RIDL!{#[uuid(0x0bd7a1be, 0x7a1a, 0x44db, 0x83, 0x97, 0xcc, 0x53, 0x92, 0x38, 0x7b, 0x5e)]
	interface IMMDeviceCollection(IMMDeviceCollectionVtbl): IUnknown(IUnknownVtbl) {
	fn GetCount(
	pcDevices: *const UINT,
	) -> HRESULT,
	fn Item(
	nDevice: UINT,
	ppDevice: mut mut IMMDevice,
	) -> HRESULT,
	}}
	RIDL!{#[uuid(0x1be09788, 0x6894, 0x4089, 0x85, 0x86, 0x9a, 0x2a, 0x6c, 0x26, 0x5a, 0xc5)]
	interface IMMEndpoint(IMMEndpointVtbl): IUnknown(IUnknownVtbl) {
	fn GetDataFlow(
	pDataFlow: *mut EDataFlow,
	) -> HRESULT,
	}}
	RIDL!{#[uuid(0xa95664d2, 0x9614, 0x4f35, 0xa7, 0x46, 0xde, 0x8d, 0xb6, 0x36, 0x17, 0xe6)]
	interface IMMDeviceEnumerator(IMMDeviceEnumeratorVtbl): IUnknown(IUnknownVtbl) {
	fn EnumAudioEndpoints(
	dataFlow: EDataFlow,
	dwStateMask: DWORD,
	ppDevices: mut mut IMMDeviceCollection,
	) -> HRESULT,
	fn GetDefaultAudioEndpoint(
	dataFlow: EDataFlow,
	role: ERole,
	ppEndpoint: mut mut IMMDevice,
	) -> HRESULT,
	fn GetDevice(
	pwstrId: LPCWSTR,
	ppDevices: mut mut IMMDevice,
	) -> HRESULT,
	fn RegisterEndpointNotificationCallback(
	pClient: *mut IMMNotificationClient,
	) -> HRESULT,
	fn UnregisterEndpointNotificationCallback(
	pClient: *mut IMMNotificationClient,
	) -> HRESULT,
	}}
	RIDL!{#[uuid(0x3b0d0ea4, 0xd0a9, 0x4b0e, 0x93, 0x5b, 0x09, 0x51, 0x67, 0x46, 0xfa, 0xc0)]
	interface IMMDeviceActivator(IMMDeviceActivatorVtbl): IUnknown(IUnknownVtbl) {
	fn Activate(
	iid: REFIID,
	pDevice: *mut IMMDevice,
	pActivationParams: *mut PROPVARIANT,
	ppInterface: mut mut c_void,
	) -> HRESULT,
	}}
	RIDL!{#[uuid(0x41d949ab, 0x9862, 0x444a, 0x80, 0xf6, 0xc2, 0x61, 0x33, 0x4d, 0xa5, 0xeb)]
	interface IActivateAudioInterfaceCompletionHandler(IActivateAudioInterfaceCompletionHandlerVtbl):
	IUnknown(IUnknownVtbl) {
	fn ActivateCompleted(
	activateOperation: *mut IActivateAudioInterfaceAsyncOperation,
	) -> HRESULT,
	}}
	RIDL!{#[uuid(0x72a22d78, 0xcde4, 0x431d, 0xb8, 0xcc, 0x84, 0x3a, 0x71, 0x19, 0x9b, 0x6d)]
	interface IActivateAudioInterfaceAsyncOperation(IActivateAudioInterfaceAsyncOperationVtbl):
	IUnknown(IUnknownVtbl) {
	fn GetActivateResult(
	activateResult: *mut HRESULT,
	activatedInterface: mut mut IUnknown,
	) -> HRESULT,
	}}
	extern "system" {
	pub fn ActivateAudioInterfaceAsync(
	deviceInterfacePath: LPCWSTR,
	riid: REFIID,
	activationParams: *mut PROPVARIANT,
	completionHandler: *mut IActivateAudioInterfaceCompletionHandler,
	activationOperation: mut mut IActivateAudioInterfaceAsyncOperation,
	) -> HRESULT;
	}
	STRUCT!{struct AudioExtensionParams {
	AddPageParam: LPARAM,
	pEndpoint: *mut IMMDevice,
	pPnpInterface: *mut IMMDevice,
	pPnpDevnode: *mut IMMDevice,
	}}
	DEFINE_GUID!{CLSID_MMDeviceEnumerator,
	0xBCDE0395, 0xE52F, 0x467C, 0x8E, 0x3D, 0xC4, 0x57, 0x92, 0x91, 0x69, 0x2E}