mp3 converting with ffmpeg works

src/dl/ffmpeg.rs

@@ -19,6 +19,7 @@ impl FFMpeg {
         output_path: &str,
         bitrate: u16,
     ) -> Result<(), SpawnError> {
+        let bitrate = format!("{}k", bitrate);
         let output = spawn(
             "ffmpeg",
             [
@@ -27,7 +28,7 @@ impl FFMpeg {
                 "-codec:a",
                 "libmp3lame",
                 "-b:a",
-                "32k",
+                bitrate.as_str(),
                 output_path,
             ],
         )

src/main.rs

@@ -53,6 +53,10 @@ async fn main() -> anyhow::Result<()> {
 
     println!("abr {}", FFMpeg::round_mp3_bitrate(129.492));
 
+    FFMpeg::convert_to_mp3("audio.m4a", "audio.mp3", 160)
+        .await
+        .expect("convert");
+
     Ok(())
     //bot_main().await
 }