Updated cpal dependency

src/backend/audio.rs

@@ -9,16 +9,20 @@ use std::sync::mpsc::{SyncSender, TrySendError};
 use crate::app::debug_plot::DebugPlotSender;
 
 pub struct Audio {
-    pub stream: cpal::Stream,
+    pub _stream: cpal::Stream,
 }
 impl Audio {
     pub fn new(
-        device: &cpal::Device,
+        device_id: cpal::DeviceId,
         config: cpal::StreamConfig,
         fft_input: SyncSender<Vec<f32>>,
         _plot_tx: DebugPlotSender,
     ) -> Result<Self> {
-        let stream = device.build_input_stream(
+        let host = cpal::default_host();
+        let device = host
+            .device_by_id(&device_id)
+            .ok_or(anyhow::anyhow!("Can't open device."))?;
+        let _stream = device.build_input_stream(
             &config,
             move |data: &[f32], _: &cpal::InputCallbackInfo| {
                 match fft_input.try_send(data.to_vec()) {
@@ -33,7 +37,7 @@ impl Audio {
             None,
         )?;
 
-        Ok(Self { stream })
+        Ok(Self { _stream })
     }
 }
 impl crate::backend::Device for Audio {
@@ -85,11 +89,15 @@ impl super::Backend for AudioBackend {
         egui::ComboBox::from_label("Device")
             .selected_text(
                 self.devices[self.current_device]
-                    .name()
+                    .id()
+                    .map(|id| id.1)
                     .unwrap_or("UNKNOWN DEVICE".into()),
             )
             .show_index(ui, &mut self.current_device, self.devices.len(), |i| {
-                self.devices[i].name().unwrap_or("UNKNOWN DEVICE".into())
+                self.devices[i]
+                    .id()
+                    .map(|id| id.1)
+                    .unwrap_or("UNKNOWN DEVICE".into())
             });
         if ui.add(egui::Button::new("Refresh")).clicked() {
             self.update_devices();
@@ -103,11 +111,11 @@ impl super::Backend for AudioBackend {
     ) -> anyhow::Result<Box<dyn super::Device>> {
         let config = cpal::StreamConfig {
             channels: 1,
-            sample_rate: cpal::SampleRate(44100),
+            sample_rate: 44100,
             buffer_size: BufferSize::Default,
         };
         Ok(Box::new(Audio::new(
-            &self.devices[self.current_device],
+            self.devices[self.current_device].id()?,
             config,
             fft_input,
             _plot_tx,