Struct audio_device_windows_sys::Windows::Win32::CoreAudio::IAudioVolumeLevel

#[repr(transparent)]pub struct IAudioVolumeLevel(_);

Implementations

impl IAudioVolumeLevel

pub unsafe fn GetChannelCount(&self, pcchannels: *mut u32) -> HRESULT

pub unsafe fn GetLevelRange(
    &self,
    nchannel: u32,
    pfminleveldb: *mut f32,
    pfmaxleveldb: *mut f32,
    pfstepping: *mut f32
) -> HRESULT

pub unsafe fn GetLevel(&self, nchannel: u32, pfleveldb: *mut f32) -> HRESULT

pub unsafe fn SetLevel(
    &self,
    nchannel: u32,
    fleveldb: f32,
    pguideventcontext: *mut Guid
) -> HRESULT

pub unsafe fn SetLevelUniform(
    &self,
    fleveldb: f32,
    pguideventcontext: *mut Guid
) -> HRESULT

pub unsafe fn SetLevelAllChannels(
    &self,
    alevelsdb: *mut f32,
    cchannels: u32,
    pguideventcontext: *mut Guid
) -> HRESULT

Trait Implementations

impl Clone for IAudioVolumeLevel

fn clone(&self) -> IAudioVolumeLevel

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for IAudioVolumeLevel

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for IAudioVolumeLevel

impl From<&'_ IAudioVolumeLevel> for IPerChannelDbLevel

fn from(value: &IAudioVolumeLevel) -> Self

Performs the conversion.

impl From<IAudioVolumeLevel> for IPerChannelDbLevel

fn from(value: IAudioVolumeLevel) -> Self

Performs the conversion.

impl Interface for IAudioVolumeLevel

type Vtable = IAudioVolumeLevel_abi

const IID: Guid

pub unsafe fn vtable(&self) -> &Self::Vtable

Returns the vtable for the current interface.

pub unsafe fn assume_vtable<T>(&self) -> &<T as Interface>::Vtable where
    T: Interface, 

Returns the vtable for an assumed interface. The name comes from Box’s assume_init method as it assumes the vtable is implemented by the current interface’s vtable (e.g. a parent interface).

pub fn cast<T>(&self) -> Result<T, Error> where
    T: Interface, 

Attempts to cast the current interface to another interface using QueryInterface. The name cast is preferred to query because there is a WinRT method named query but not one named cast.

impl<'a> IntoParam<'a, IPerChannelDbLevel> for IAudioVolumeLevel

fn into_param(self) -> Param<'a, IPerChannelDbLevel>

impl<'a> IntoParam<'a, IPerChannelDbLevel> for &'a IAudioVolumeLevel

fn into_param(self) -> Param<'a, IPerChannelDbLevel>

impl<'a> IntoParam<'a, IUnknown> for IAudioVolumeLevel

fn into_param(self) -> Param<'a, IUnknown>

impl<'a> IntoParam<'a, IUnknown> for &'a IAudioVolumeLevel

fn into_param(self) -> Param<'a, IUnknown>

impl PartialEq<IAudioVolumeLevel> for IAudioVolumeLevel

fn eq(&self, other: &IAudioVolumeLevel) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &IAudioVolumeLevel) -> bool

This method tests for !=.

impl StructuralEq for IAudioVolumeLevel

impl StructuralPartialEq for IAudioVolumeLevel