Struct winapi::um::endpointvolume::IAudioEndpointVolume

#[repr(C)]
pub struct IAudioEndpointVolume {
    pub lpVtbl: *const IAudioEndpointVolumeVtbl,
}

Fields

lpVtbl: *const IAudioEndpointVolumeVtbl

Methods

impl IAudioEndpointVolume

pub unsafe fn RegisterControlChangeNotify(
    &self,
    pNotify: *mut IAudioEndpointVolumeCallback
) -> HRESULT

pub unsafe fn UnregisterControlChangeNotify(
    &self,
    pNotify: *mut IAudioEndpointVolumeCallback
) -> HRESULT

pub unsafe fn GetChannelCount(&self, pnChannelCount: *mut UINT) -> HRESULT

pub unsafe fn SetMasterVolumeLevel(
    &self,
    fLevelDB: c_float,
    pguidEventContext: LPCGUID
) -> HRESULT

pub unsafe fn SetMasterVolumeLevelScalar(
    &self,
    fLevel: c_float,
    pguidEventContext: LPCGUID
) -> HRESULT

pub unsafe fn GetMasterVolumeLevel(&self, pfLevelDB: *mut c_float) -> HRESULT

pub unsafe fn GetMasterVolumeLevelScalar(
    &self,
    pfLevel: *mut c_float
) -> HRESULT

pub unsafe fn SetChannelVolumeLevel(
    &self,
    nChannel: UINT,
    fLevelDB: c_float,
    pguidEventContext: LPCGUID
) -> HRESULT

pub unsafe fn SetChannelVolumeLevelScalar(
    &self,
    nChannel: UINT,
    fLevel: c_float,
    pguidEventContext: LPCGUID
) -> HRESULT

pub unsafe fn GetChannelVolumeLevel(
    &self,
    nChannel: UINT,
    pfLevelDB: *mut c_float
) -> HRESULT

pub unsafe fn GetChannelVolumeLevelScalar(
    &self,
    nChannel: UINT,
    pfLevel: *mut c_float
) -> HRESULT

pub unsafe fn SetMute(&self, bMute: BOOL, pguidEventContext: LPCGUID) -> HRESULT

pub unsafe fn GetMute(&self, pbMute: *mut BOOL) -> HRESULT

pub unsafe fn GetVolumeStepInfo(
    &self,
    pnStep: *mut UINT,
    pnStepCount: *mut UINT
) -> HRESULT

pub unsafe fn VolumeStepUp(&self, pguidEventContext: LPCGUID) -> HRESULT

pub unsafe fn VolumeStepDown(&self, pguidEventContext: LPCGUID) -> HRESULT

pub unsafe fn QueryHardwareSupport(
    &self,
    pdwHardwareSupportMask: *mut DWORD
) -> HRESULT

pub unsafe fn GetVolumeRange(
    &self,
    pflVolumeMindB: *mut c_float,
    pflVolumeMaxdB: *mut c_float,
    pflVolumeIncrementdB: *mut c_float
) -> HRESULT

Methods from Deref<Target = IUnknown>

pub unsafe fn QueryInterface(
    &self,
    riid: REFIID,
    ppvObject: *mut *mut c_void
) -> HRESULT

pub unsafe fn AddRef(&self) -> ULONG

pub unsafe fn Release(&self) -> ULONG

Trait Implementations

impl Interface for IAudioEndpointVolume

fn uuidof() -> GUID

impl Deref for IAudioEndpointVolume

type Target = IUnknown

The resulting type after dereferencing.

fn deref(&self) -> &IUnknown

Dereferences the value.