1use std::sync::atomic::{AtomicBool, Ordering};
 2
 3use gpui::App;
 4use settings::{Settings, SettingsStore};
 5
 6#[derive(Clone, Debug)]
 7pub struct AudioSettings {
 8    /// Opt into the new audio system.
 9    pub rodio_audio: bool, // default is false
10    /// Requires 'rodio_audio: true'
11    ///
12    /// Use the new audio systems automatic gain control for your microphone.
13    /// This affects how loud you sound to others.
14    pub control_input_volume: bool,
15    /// Requires 'rodio_audio: true'
16    ///
17    /// Use the new audio systems automatic gain control on everyone in the
18    /// call. This makes call members who are too quite louder and those who are
19    /// too loud quieter. This only affects how things sound for you.
20    pub control_output_volume: bool,
21}
22
23/// Configuration of audio in Zed
24impl Settings for AudioSettings {
25    fn from_settings(content: &settings::SettingsContent, _cx: &mut App) -> Self {
26        let audio = &content.audio.as_ref().unwrap();
27        AudioSettings {
28            control_input_volume: audio.control_input_volume.unwrap(),
29            control_output_volume: audio.control_output_volume.unwrap(),
30            rodio_audio: audio.rodio_audio.unwrap(),
31        }
32    }
33
34    fn import_from_vscode(
35        _vscode: &settings::VsCodeSettings,
36        _current: &mut settings::SettingsContent,
37    ) {
38    }
39}
40
41/// See docs on [LIVE_SETTINGS]
42pub(crate) struct LiveSettings {
43    pub(crate) control_input_volume: AtomicBool,
44    pub(crate) control_output_volume: AtomicBool,
45}
46
47impl LiveSettings {
48    pub(crate) fn initialize(&self, cx: &mut App) {
49        cx.observe_global::<SettingsStore>(move |cx| {
50            LIVE_SETTINGS.control_input_volume.store(
51                AudioSettings::get_global(cx).control_input_volume,
52                Ordering::Relaxed,
53            );
54            LIVE_SETTINGS.control_output_volume.store(
55                AudioSettings::get_global(cx).control_output_volume,
56                Ordering::Relaxed,
57            );
58        })
59        .detach();
60
61        let init_settings = AudioSettings::get_global(cx);
62        LIVE_SETTINGS
63            .control_input_volume
64            .store(init_settings.control_input_volume, Ordering::Relaxed);
65        LIVE_SETTINGS
66            .control_output_volume
67            .store(init_settings.control_output_volume, Ordering::Relaxed);
68    }
69}
70
71/// Allows access to settings from the audio thread. Updated by
72/// observer of SettingsStore. Needed because audio playback and recording are
73/// real time and must each run in a dedicated OS thread, therefore we can not
74/// use the background executor.
75pub(crate) static LIVE_SETTINGS: LiveSettings = LiveSettings {
76    control_input_volume: AtomicBool::new(true),
77    control_output_volume: AtomicBool::new(true),
78};