add --debug to write a file that can be played with cat /tmp/page.rawf32audio | sox -r 16000 -b 32 -t f32 -e floating-point - -d

src/main.rs

@@ -5,6 +5,8 @@ use std::time::{Duration, Instant};
 use chrono;
 use clap::Parser;
 use std::thread;
+use std::fs::File;
+use std::io::Write;
 
 #[derive(Parser, Debug)]
 struct Flags {
@@ -24,6 +26,9 @@ struct Flags {
    stream_tail: f32,
 
    wav: Option<String>,
+
+   #[arg(long, default_value = "false")]
+   debug: bool,
 }
 
 fn main() {
@@ -49,6 +54,10 @@ fn main() {
          w.transcribe(&audio_data);
       },
       None => {
+         match &flags.debug {
+            true => { File::create("/tmp/page.rawf32audio").unwrap(); },
+            false => {},
+         };
          let mut buffer = vec![];
          let mut last = Instant::now();
          new_listener().listen(move |data: Vec<f32>| {
@@ -59,8 +68,22 @@ fn main() {
                   Err(msg) => eprintln!("{}", msg),
                };
 
-               for i in stream_retain..buffer.len() {
-                  buffer[i - stream_retain] = buffer[i]
+               match &flags.debug {
+                  true => {
+                     let mut f = File::options().append(true).open("/tmp/page.rawf32audio").unwrap();
+                     let mut wav_data = vec![];
+                     for i in buffer.iter() {
+                        for j in i.to_le_bytes() {
+                           wav_data.push(j);
+                        }
+                     }
+                     f.write_all(wav_data.as_slice()).unwrap();
+                  },
+                  false => {},
+               };
+
+               for i in 0..stream_retain {
+                  buffer[i] = buffer[buffer.len() - stream_retain + i];
                }
                buffer.truncate(stream_retain);
                last = Instant::now();