1 // Copyright © 2018 winapi-rs developers
2 // Licensed under the Apache License, Version 2.0
3 // <LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
4 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
5 // All files in the project carrying such notice may not be copied, modified, or distributed
6 // except according to those terms.
7 use ctypes::c_float;
8 use shared::basetsd::UINT32;
9 use shared::guiddef::{GUID, LPCGUID};
10 use shared::minwindef::{BOOL, DWORD, UINT};
11 use um::unknwnbase::{IUnknown, IUnknownVtbl};
12 use um::winnt::HRESULT;
13 STRUCT!{struct AUDIO_VOLUME_NOTIFICATION_DATA {
14     guidEventContext: GUID,
15     bMuted: BOOL,
16     fMasterVolume: c_float,
17     nChannels: UINT,
18     afChannelVolumes: [c_float; 1],
19 }}
20 pub type PAUDIO_VOLUME_NOTIFICATION_DATA = *mut AUDIO_VOLUME_NOTIFICATION_DATA;
21 pub const ENDPOINT_HARDWARE_SUPPORT_VOLUME: DWORD = 0x00000001;
22 pub const ENDPOINT_HARDWARE_SUPPORT_MUTE: DWORD = 0x00000002;
23 pub const ENDPOINT_HARDWARE_SUPPORT_METER: DWORD = 0x00000004;
24 RIDL!{#[uuid(0x657804fa, 0xd6ad, 0x4496, 0x8a, 0x60, 0x35, 0x27, 0x52, 0xaf, 0x4f, 0x89)]
25 interface IAudioEndpointVolumeCallback(IAudioEndpointVolumeCallbackVtbl): IUnknown(IUnknownVtbl) {
26     fn OnNotify(
27         pNotify: PAUDIO_VOLUME_NOTIFICATION_DATA,
28     ) -> HRESULT,
29 }}
30 RIDL!{#[uuid(0x5cdf2c82, 0x841e, 0x4546, 0x97, 0x22, 0x0c, 0xf7, 0x40, 0x78, 0x22, 0x9a)]
31 interface IAudioEndpointVolume(IAudioEndpointVolumeVtbl): IUnknown(IUnknownVtbl) {
32     fn RegisterControlChangeNotify(
33         pNotify: *mut IAudioEndpointVolumeCallback,
34     ) -> HRESULT,
35     fn UnregisterControlChangeNotify(
36         pNotify: *mut IAudioEndpointVolumeCallback,
37     ) -> HRESULT,
38     fn GetChannelCount(
39         pnChannelCount: *mut UINT,
40     ) -> HRESULT,
41     fn SetMasterVolumeLevel(
42         fLevelDB: c_float,
43         pguidEventContext: LPCGUID,
44     ) -> HRESULT,
45     fn SetMasterVolumeLevelScalar(
46         fLevel: c_float,
47         pguidEventContext: LPCGUID,
48     ) -> HRESULT,
49     fn GetMasterVolumeLevel(
50         pfLevelDB: *mut c_float,
51     ) -> HRESULT,
52     fn GetMasterVolumeLevelScalar(
53         pfLevel: *mut c_float,
54     ) -> HRESULT,
55     fn SetChannelVolumeLevel(
56         nChannel: UINT,
57         fLevelDB: c_float,
58         pguidEventContext: LPCGUID,
59     ) -> HRESULT,
60     fn SetChannelVolumeLevelScalar(
61         nChannel: UINT,
62         fLevel: c_float,
63         pguidEventContext: LPCGUID,
64     ) -> HRESULT,
65     fn GetChannelVolumeLevel(
66         nChannel: UINT,
67         pfLevelDB: *mut c_float,
68     ) -> HRESULT,
69     fn GetChannelVolumeLevelScalar(
70         nChannel: UINT,
71         pfLevel: *mut c_float,
72     ) -> HRESULT,
73     fn SetMute(
74         bMute: BOOL,
75         pguidEventContext: LPCGUID,
76     ) -> HRESULT,
77     fn GetMute(
78         pbMute: *mut BOOL,
79     ) -> HRESULT,
80     fn GetVolumeStepInfo(
81         pnStep: *mut UINT,
82         pnStepCount: *mut UINT,
83     ) -> HRESULT,
84     fn VolumeStepUp(
85         pguidEventContext: LPCGUID,
86     ) -> HRESULT,
87     fn VolumeStepDown(
88         pguidEventContext: LPCGUID,
89     ) -> HRESULT,
90     fn QueryHardwareSupport(
91         pdwHardwareSupportMask: *mut DWORD,
92     ) -> HRESULT,
93     fn GetVolumeRange(
94         pflVolumeMindB: *mut c_float,
95         pflVolumeMaxdB: *mut c_float,
96         pflVolumeIncrementdB: *mut c_float,
97     ) -> HRESULT,
98 }}
99 RIDL!{#[uuid(0x66e11784, 0xf695, 0x4f28, 0xa5, 0x05, 0xa7, 0x08, 0x00, 0x81, 0xa7, 0x8f)]
100 interface IAudioEndpointVolumeEx(IAudioEndpointVolumeExVtbl):
101     IAudioEndpointVolume(IAudioEndpointVolumeVtbl) {
102     fn GetVolumeRangeChannel(
103         iChannel: UINT,
104         pflVolumeMindB: *mut c_float,
105         pflVolumeMaxdB: *mut c_float,
106         pflVolumeIncrementdB: *mut c_float,
107     ) -> HRESULT,
108 }}
109 RIDL!{#[uuid(0xc02216f6, 0x8c67, 0x4b5b, 0x9d, 0x00, 0xd0, 0x08, 0xe7, 0x3e, 0x00, 0x64)]
110 interface IAudioMeterInformation(IAudioMeterInformationVtbl): IUnknown(IUnknownVtbl) {
111     fn GetPeakValue(
112         pfPeak: *mut c_float,
113     ) -> HRESULT,
114     fn GetMeteringChannelCount(
115         pnChannelCount: *mut UINT,
116     ) -> HRESULT,
117     fn GetChannelsPeakValues(
118         u32ChannelCount: UINT32,
119         afPeakValues: *mut c_float,
120     ) -> HRESULT,
121     fn QueryHardwareSupport(
122         pdwHardwareSupportMask: *mut DWORD,
123     ) -> HRESULT,
124 }}
125