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audio: Don't use linear volume (#348)

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Fixes https://github.com/pop-os/cosmic-applets/issues/335.

This calculates volume as a percentage of `Volume::NORMAL`, which seems
to be the correct way to display PulseAudio volumes to the user. This
matches `cosmic-osd`, and seems to match alsamixer.
This commit is contained in:
Ian Douglas Scott 2024-04-15 17:23:55 -07:00 • committed by GitHub
parent 631e59276e
commit 08a334fc13
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GPG key ID: B5690EEEBB952194
1 changed files with 25 additions and 17 deletions
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42
cosmic-applet-audio/src/lib.rs
View file

@ -32,7 +32,7 @@ use cosmic::{Element, Theme};
use cosmic_time::{anim, chain, id, once_cell::sync::Lazy, Instant, Timeline};
use iced::wayland::popup::{destroy_popup, get_popup};
use iced::widget::container;
use libpulse_binding::volume::VolumeLinear;
use libpulse_binding::volume::Volume;
use mpris2_zbus::player::PlaybackStatus;
use mpris_subscription::MprisRequest;
use mpris_subscription::MprisUpdate;
@ -84,7 +84,7 @@ impl Audio {
};
let volume = output.volume.avg();
let output_volume = VolumeLinear::from(volume).0;
let output_volume = volume_to_percent(volume);
if volume.is_muted() {
self.icon_name = "audio-volume-muted-symbolic".to_string();
} else if output_volume < 0.33 {
@ -110,7 +110,7 @@ impl Audio {
};
let volume = input.volume.avg();
let input_volume = VolumeLinear::from(volume).0;
let input_volume = volume_to_percent(volume);
if volume.is_muted() || input_volume == 0.0 {
self.input_icon_name = "microphone-sensitivity-muted-symbolic".to_string();
} else if input_volume < 0.33 {
@ -335,10 +335,9 @@ impl cosmic::Application for Audio {
}
}
Message::SetOutputVolume(vol) => {
self.current_output.as_mut().map(|o| {
o.volume
.set(o.volume.len(), VolumeLinear(vol / 100.0).into())
});
self.current_output
.as_mut()
.map(|o| o.volume.set(o.volume.len(), percent_to_volume(vol)));
self.apply_output_volume();
if let PulseState::Connected(connection) = &mut self.pulse_state {
if let Some(device) = &self.current_output {
@ -352,10 +351,9 @@ impl cosmic::Application for Audio {
}
}
Message::SetInputVolume(vol) => {
self.current_input.as_mut().map(|i| {
i.volume
.set(i.volume.len(), VolumeLinear(vol / 100.0).into())
});
self.current_input
.as_mut()
.map(|i| i.volume.set(i.volume.len(), percent_to_volume(vol)));
self.apply_input_volume();
if let PulseState::Connected(connection) = &mut self.pulse_state {
if let Some(device) = &self.current_input {
@ -596,20 +594,18 @@ impl cosmic::Application for Audio {
fn view_window(&self, _id: window::Id) -> Element<Message> {
let audio_disabled = matches!(self.pulse_state, PulseState::Disconnected(_));
let out_f64 = VolumeLinear::from(
let out_f64 = volume_to_percent(
self.current_output
.as_ref()
.map(|o| o.volume.avg())
.unwrap_or_default(),
)
.0 * 100.0;
let in_f64 = VolumeLinear::from(
);
let in_f64 = volume_to_percent(
self.current_input
.as_ref()
.map(|o| o.volume.avg())
.unwrap_or_default(),
)
.0 * 100.0;
);
let mut audio_content = if audio_disabled {
column![padded_control(
@ -868,3 +864,15 @@ impl Default for IsOpen {
Self::None
}
}
fn volume_to_percent(volume: Volume) -> f64 {
volume.0 as f64 * 100. / Volume::NORMAL.0 as f64
}
fn percent_to_volume(percent: f64) -> Volume {
Volume(
(percent / 100. * Volume::NORMAL.0 as f64)
.clamp(0., Volume::NORMAL.0 as f64)
.round() as u32,
)
}