fix

src/library/track.rs

@@ -41,27 +41,33 @@ impl Track {
     }
 
     /// Transcode audio to OPUS with `bitrate`
-    pub fn get_opus(&self, bitrate: u32) -> String {
-        let transcoded = format!("./data/transcode/opus/{}/{}", bitrate, self._id);
+    pub fn get_opus(&self, bitrate: u32) -> Option<String> {
+        let transcoded = format!("./data/transcode/opus/{}/{}.opus", bitrate, self._id);
 
         if std::path::Path::new(&transcoded).exists() {
-            return transcoded;
+            return Some(transcoded);
         }
 
+        log::info!("Transcoding {} to OPUS {}", self._id, bitrate);
+
         std::fs::create_dir_all(format!("./data/transcode/opus/{bitrate}")).unwrap();
 
-        std::process::Command::new("ffmpeg")
+        let out = std::process::Command::new("ffmpeg")
             .arg("-i")
             .arg(&self.path)
             .arg("-c:a")
             .arg("libopus")
             .arg("-b:a")
-            .arg(bitrate.to_string())
+            .arg(format!("{bitrate}k"))
             .arg(&transcoded)
             .output()
             .unwrap();
 
-        transcoded
+        if !out.status.success() {
+            return None;
+        }
+
+        Some(transcoded)
     }
 
     /// Find tracks with no album or artist