Loop forever, handle errors more gracefully

src/main.rs

@@ -8,7 +8,7 @@ use audiopus::{Application, Channels, SampleRate};
 use clap::Parser;
 use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
 use cpal::{FromSample, Sample, StreamConfig};
-use log::{LevelFilter, info};
+use log::{LevelFilter, info, error};
 use std::net::SocketAddr;
 use std::sync::{Arc, Mutex};
 
@@ -68,11 +68,8 @@ fn main() -> Result<(), anyhow::Error> {
         udp_connection,
     )));
 
-    // A flag to indicate that recording is in progress.
-    println!("Begin recording...");
-
     let err_fn = move |err| {
-        eprintln!("an error occurred on stream: {err}");
+        error!("an error occurred on stream: {err}");
     };
 
     let sound_buffer2 = sound_buffer.clone();
@@ -108,13 +105,12 @@ fn main() -> Result<(), anyhow::Error> {
         }
     };
 
+    info!("Running tap...");
     stream.play()?;
 
-    // Let recording go for roughly three seconds.
+    std::thread::park();
-    std::thread::sleep(std::time::Duration::from_secs(3));
-    drop(stream);
-    drop(sound_buffer);
 
+    info!("Exiting...");
     Ok(())
 }
 
@@ -128,6 +124,8 @@ fn write_input_data<const N: usize, T>(
     if let Ok(mut ctx) = ctx.try_lock() {
         let sample: Vec<f32> = input.iter().map(|s| f32::from_sample(*s)).collect();
 
-        ctx.write_data(&sample).unwrap();
+        if let Err(err) = ctx.write_data(&sample) {
+            error!("Got error when writing data to sound buffer: {err}")
+        }
     }
 }