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// 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.
use ctypes::c_float;
use shared::basetsd::UINT32;
use shared::guiddef::{GUID, LPCGUID};
use shared::minwindef::{BOOL, DWORD, UINT};
use um::unknwnbase::{IUnknown, IUnknownVtbl};
use um::winnt::HRESULT;
STRUCT!{struct AUDIO_VOLUME_NOTIFICATION_DATA {
guidEventContext: GUID,
bMuted: BOOL,
fMasterVolume: c_float,
nChannels: UINT,
afChannelVolumes: [c_float; 1],
}}
pub type PAUDIO_VOLUME_NOTIFICATION_DATA = *mut AUDIO_VOLUME_NOTIFICATION_DATA;
pub const ENDPOINT_HARDWARE_SUPPORT_VOLUME: DWORD = 0x00000001;
pub const ENDPOINT_HARDWARE_SUPPORT_MUTE: DWORD = 0x00000002;
pub const ENDPOINT_HARDWARE_SUPPORT_METER: DWORD = 0x00000004;
RIDL!{#[uuid(0x657804fa, 0xd6ad, 0x4496, 0x8a, 0x60, 0x35, 0x27, 0x52, 0xaf, 0x4f, 0x89)]
interface IAudioEndpointVolumeCallback(IAudioEndpointVolumeCallbackVtbl): IUnknown(IUnknownVtbl) {
fn OnNotify(
pNotify: PAUDIO_VOLUME_NOTIFICATION_DATA,
) -> HRESULT,
}}
RIDL!{#[uuid(0x5cdf2c82, 0x841e, 0x4546, 0x97, 0x22, 0x0c, 0xf7, 0x40, 0x78, 0x22, 0x9a)]
interface IAudioEndpointVolume(IAudioEndpointVolumeVtbl): IUnknown(IUnknownVtbl) {
fn RegisterControlChangeNotify(
pNotify: *mut IAudioEndpointVolumeCallback,
) -> HRESULT,
fn UnregisterControlChangeNotify(
pNotify: *mut IAudioEndpointVolumeCallback,
) -> HRESULT,
fn GetChannelCount(
pnChannelCount: *mut UINT,
) -> HRESULT,
fn SetMasterVolumeLevel(
fLevelDB: c_float,
pguidEventContext: LPCGUID,
) -> HRESULT,
fn SetMasterVolumeLevelScalar(
fLevel: c_float,
pguidEventContext: LPCGUID,
) -> HRESULT,
fn GetMasterVolumeLevel(
pfLevelDB: *mut c_float,
) -> HRESULT,
fn GetMasterVolumeLevelScalar(
pfLevel: *mut c_float,
) -> HRESULT,
fn SetChannelVolumeLevel(
nChannel: UINT,
fLevelDB: c_float,
pguidEventContext: LPCGUID,
) -> HRESULT,
fn SetChannelVolumeLevelScalar(
nChannel: UINT,
fLevel: c_float,
pguidEventContext: LPCGUID,
) -> HRESULT,
fn GetChannelVolumeLevel(
nChannel: UINT,
pfLevelDB: *mut c_float,
) -> HRESULT,
fn GetChannelVolumeLevelScalar(
nChannel: UINT,
pfLevel: *mut c_float,
) -> HRESULT,
fn SetMute(
bMute: BOOL,
pguidEventContext: LPCGUID,
) -> HRESULT,
fn GetMute(
pbMute: *mut BOOL,
) -> HRESULT,
fn GetVolumeStepInfo(
pnStep: *mut UINT,
pnStepCount: *mut UINT,
) -> HRESULT,
fn VolumeStepUp(
pguidEventContext: LPCGUID,
) -> HRESULT,
fn VolumeStepDown(
pguidEventContext: LPCGUID,
) -> HRESULT,
fn QueryHardwareSupport(
pdwHardwareSupportMask: *mut DWORD,
) -> HRESULT,
fn GetVolumeRange(
pflVolumeMindB: *mut c_float,
pflVolumeMaxdB: *mut c_float,
pflVolumeIncrementdB: *mut c_float,
) -> HRESULT,
}}
RIDL!{#[uuid(0x66e11784, 0xf695, 0x4f28, 0xa5, 0x05, 0xa7, 0x08, 0x00, 0x81, 0xa7, 0x8f)]
interface IAudioEndpointVolumeEx(IAudioEndpointVolumeExVtbl):
IAudioEndpointVolume(IAudioEndpointVolumeVtbl) {
fn GetVolumeRangeChannel(
iChannel: UINT,
pflVolumeMindB: *mut c_float,
pflVolumeMaxdB: *mut c_float,
pflVolumeIncrementdB: *mut c_float,
) -> HRESULT,
}}
RIDL!{#[uuid(0xc02216f6, 0x8c67, 0x4b5b, 0x9d, 0x00, 0xd0, 0x08, 0xe7, 0x3e, 0x00, 0x64)]
interface IAudioMeterInformation(IAudioMeterInformationVtbl): IUnknown(IUnknownVtbl) {
fn GetPeakValue(
pfPeak: *mut c_float,
) -> HRESULT,
fn GetMeteringChannelCount(
pnChannelCount: *mut UINT,
) -> HRESULT,
fn GetChannelsPeakValues(
u32ChannelCount: UINT32,
afPeakValues: *mut c_float,
) -> HRESULT,
fn QueryHardwareSupport(
pdwHardwareSupportMask: *mut DWORD,
) -> HRESULT,
}}
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