mmdevice

package
v0.2.0 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Aug 28, 2023 License: Apache-2.0 Imports: 6 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	DEVICE_STATE_ACTIVE     = 0x00000001
	DEVICE_STATE_DISABLED   = 0x00000002
	DEVICE_STATE_NOTPRESENT = 0x00000004
	DEVICE_STATE_UNPLUGGED  = 0x00000008
	DEVICE_STATEMASK_ALL    = 0x0000000F
)

Variables

This section is empty.

Functions

func CLSID_MMDeviceEnumerator 

func CLSID_MMDeviceEnumerator() windows.GUID

func IID_IMMDevice 

func IID_IMMDevice() windows.GUID

func IID_IMMDeviceCollection 

func IID_IMMDeviceCollection() windows.GUID

func IID_IMMDeviceEnumerator 

func IID_IMMDeviceEnumerator() windows.GUID

func IID_IMMEndpoint 

func IID_IMMEndpoint() windows.GUID

func IID_IMMNotificationClient 

func IID_IMMNotificationClient() windows.GUID

func ToType 

func ToType[T IMMDevice | IMMDeviceCollection | IMMDeviceEnumerator | IMMEndpoint | IMMNotificationClient](v unsafe.Pointer) *T

Types

type EDataFlow 

type EDataFlow uint32
const (
	ERender EDataFlow = iota
	ECapture
	EAll
	EDataFlow_enum_count
)

type ERole 

type ERole uint32
const (
	EConsole ERole = iota
	EMultimedia
	ECommunications
	ERole_enum_count
)

type EndpointFormFactor 

type EndpointFormFactor uint32
const (
	RemoteNetworkDevice EndpointFormFactor = iota
	Speakers
	LineLevel
	Headphones
	Microphone
	Headset
	Handset
	UnknownDigitalPassthrough
	SPDIF
	DigitalAudioDisplayDevice
	UnknownFormFactor
	EndpointFormFactor_enum_count
)

type IMMDevice 

type IMMDevice struct {
	// contains filtered or unexported fields
}

func (*IMMDevice) Activate 

func (self *IMMDevice) Activate(iid windows.GUID, clsCtx uint32, activationParams *com.PROPVARIANT) (ppInterface unsafe.Pointer, err error)

Activate 方法创建具有指定接口的 COM 对象。 不需要时需主动调用 Release 方法。

func (*IMMDevice) GetId 

func (self *IMMDevice) GetId() (id string, err error)

GetId 方法检索标识音频终结点设备的终结点 ID 字符串。

func (*IMMDevice) GetState 

func (self *IMMDevice) GetState() (state uint32, err error)

GetState 方法检索当前设备状态。

func (*IMMDevice) OpenPropertyStore 

func (self *IMMDevice) OpenPropertyStore(stgmAccess uint32) (properties *com.IPropertyStore, err error)

OpenPropertyStore 方法检索设备属性存储的接口。 不需要时需主动调用 Release 方法。

func (*IMMDevice) Release 

func (self *IMMDevice) Release() (err error)

type IMMDeviceCollection 

type IMMDeviceCollection struct {
	// contains filtered or unexported fields
}

func (*IMMDeviceCollection) GetCount 

func (self *IMMDeviceCollection) GetCount() (pcDevices uint, err error)

GetCount 方法检索设备集合中的设备计数。

func (*IMMDeviceCollection) Item 

func (self *IMMDeviceCollection) Item(nDevice uint32) (device *IMMDevice, err error)

Item 方法检索指向设备集合中指定项的指针。 不需要时需主动调用 Release 方法。

func (*IMMDeviceCollection) Release 

func (self *IMMDeviceCollection) Release() (err error)

type IMMDeviceEnumerator 

type IMMDeviceEnumerator struct {
	// contains filtered or unexported fields
}

func (*IMMDeviceEnumerator) EnumAudioEndpoints 

func (self *IMMDeviceEnumerator) EnumAudioEndpoints(dataFlow EDataFlow, stateMask uint32) (devices *IMMDeviceCollection, err error)

EnumAudioEndpoints 方法生成符合指定条件的音频终结点设备的集合。 不需要时需主动调用 Release 方法。

func (*IMMDeviceEnumerator) GetDefaultAudioEndpoint 

func (self *IMMDeviceEnumerator) GetDefaultAudioEndpoint(dataFlow EDataFlow, role ERole) (endpoint *IMMDevice, err error)

GetDefaultAudioEndpoint 方法检索指定数据流方向和角色的默认音频终结点。

func (*IMMDeviceEnumerator) GetDevice 

func (self *IMMDeviceEnumerator) GetDevice(id string) (device *IMMDevice, err error)

GetDevice 方法检索由终结点 ID 字符串标识的音频终结点设备。

func (*IMMDeviceEnumerator) RegisterEndpointNotificationCallback 

func (self *IMMDeviceEnumerator) RegisterEndpointNotificationCallback(client *IMMNotificationClient) (err error)

RegisterEndpointNotificationCallback 方法注册客户端的通知回调接口。

func (*IMMDeviceEnumerator) Release 

func (self *IMMDeviceEnumerator) Release() (err error)

func (*IMMDeviceEnumerator) UnregisterEndpointNotificationCallback 

func (self *IMMDeviceEnumerator) UnregisterEndpointNotificationCallback(client *IMMNotificationClient) (err error)

UnregisterEndpointNotificationCallback 方法删除客户端在对 IMMDeviceEnumerator::RegisterEndpointNotificationCallback 方法的调用中注册的通知接口的注册。

type IMMEndpoint 

type IMMEndpoint struct {
	// contains filtered or unexported fields
}

func (*IMMEndpoint) GetDataFlow 

func (self *IMMEndpoint) GetDataFlow() (dataFlow EDataFlow, err error)

GetDataFlow 方法指示音频端点设备是呈现设备还是捕获设备。

func (*IMMEndpoint) Release 

func (self *IMMEndpoint) Release() (err error)

type IMMNotificationClient 

type IMMNotificationClient struct {
	// contains filtered or unexported fields
}

func (*IMMNotificationClient) OnDefaultDeviceChanged 

func (self *IMMNotificationClient) OnDefaultDeviceChanged(flow EDataFlow, role ERole, defaultDeviceId string) (err error)

OnDefaultDeviceChanged 方法通知客户端特定设备的默认音频终结点设备已更改。

func (*IMMNotificationClient) OnDeviceAdded 

func (self *IMMNotificationClient) OnDeviceAdded(deviceId string) (err error)

OnDeviceAdded 方法指示已添加新的音频终结点设备。

func (*IMMNotificationClient) OnDeviceRemoved 

func (self *IMMNotificationClient) OnDeviceRemoved(deviceId string) (err error)

OnDeviceRemoved 方法指示已删除音频终结点设备。

func (*IMMNotificationClient) OnDeviceStateChanged 

func (self *IMMNotificationClient) OnDeviceStateChanged(deviceId string, newState uint32) (err error)

OnDeviceStateChanged 方法指示音频终结点设备的状态已更改。

func (*IMMNotificationClient) OnPropertyValueChanged 

func (self *IMMNotificationClient) OnPropertyValueChanged(deviceId string, key com.PROPERTYKEY) (err error)

OnPropertyValueChanged 方法指示属于音频终结点设备的属性的值已更改。

func (*IMMNotificationClient) Release 

func (self *IMMNotificationClient) Release() (err error)

Source Files

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