1use std::{
 2    str::FromStr,
 3    sync::atomic::{AtomicBool, Ordering},
 4};
 5
 6use cpal::DeviceId;
 7use gpui::App;
 8use settings::{RegisterSetting, Settings, SettingsStore};
 9
10#[derive(Clone, Debug, RegisterSetting)]
11pub struct AudioSettings {
12    /// Automatically increase or decrease you microphone's volume. This affects how
13    /// loud you sound to others.
14    ///
15    /// Recommended: off (default)
16    /// Microphones are too quite in zed, until everyone is on experimental
17    /// audio and has auto speaker volume on this will make you very loud
18    /// compared to other speakers.
19    pub auto_microphone_volume: bool,
20    /// Select specific output audio device.
21    pub output_audio_device: Option<DeviceId>,
22    /// Select specific input audio device.
23    pub input_audio_device: Option<DeviceId>,
24}
25
26/// Configuration of audio in Zed
27impl Settings for AudioSettings {
28    fn from_settings(content: &settings::SettingsContent) -> Self {
29        let audio = &content.audio.as_ref().unwrap();
30        AudioSettings {
31            auto_microphone_volume: audio.auto_microphone_volume.unwrap(),
32            output_audio_device: audio
33                .output_audio_device
34                .as_ref()
35                .and_then(|x| x.0.as_ref().and_then(|id| DeviceId::from_str(&id).ok())),
36            input_audio_device: audio
37                .input_audio_device
38                .as_ref()
39                .and_then(|x| x.0.as_ref().and_then(|id| DeviceId::from_str(&id).ok())),
40        }
41    }
42}
43
44/// See docs on [LIVE_SETTINGS]
45pub struct LiveSettings {
46    pub auto_microphone_volume: AtomicBool,
47}
48
49impl LiveSettings {
50    pub(crate) fn initialize(&self, cx: &mut App) {
51        cx.observe_global::<SettingsStore>(move |cx| {
52            LIVE_SETTINGS.auto_microphone_volume.store(
53                AudioSettings::get_global(cx).auto_microphone_volume,
54                Ordering::Relaxed,
55            );
56        })
57        .detach();
58
59        let init_settings = AudioSettings::get_global(cx);
60        LIVE_SETTINGS
61            .auto_microphone_volume
62            .store(init_settings.auto_microphone_volume, Ordering::Relaxed);
63    }
64}
65
66/// Allows access to settings from the audio thread. Updated by
67/// observer of SettingsStore. Needed because audio playback and recording are
68/// real time and must each run in a dedicated OS thread, therefore we can not
69/// use the background executor.
70pub static LIVE_SETTINGS: LiveSettings = LiveSettings {
71    auto_microphone_volume: AtomicBool::new(true),
72};