fix + add transcode

src/library/mod.rs

@@ -106,6 +106,18 @@ impl Libary {
                 .insert("meta".into(), metadata.0);
         }
 
+        if entry.as_object().unwrap().get("title").is_none() {
+            entry.as_object_mut().unwrap().insert(
+                "title".into(),
+                std::path::Path::new(path)
+                    .file_stem()
+                    .unwrap()
+                    .to_str()
+                    .unwrap()
+                    .into(),
+            );
+        }
+
         Track::create(&entry.as_object().unwrap()).await;
     }
 

src/library/track.rs

@@ -36,6 +36,30 @@ impl Track {
             .unwrap();
     }
 
+    /// Transcode audio to OPUS with `bitrate`
+    pub fn get_opus(&self, bitrate: u32) -> String {
+        let transcoded = format!("./data/transcode/opus/{}/{}", bitrate, self._id);
+
+        if std::path::Path::new(&transcoded).exists() {
+            return transcoded;
+        }
+
+        std::fs::create_dir_all(format!("./data/transcode/opus/{bitrate}")).unwrap();
+
+        std::process::Command::new("ffmpeg")
+            .arg("-i")
+            .arg(&self.path)
+            .arg("-c:a")
+            .arg("libopus")
+            .arg("-b:a")
+            .arg(bitrate.to_string())
+            .arg(&transcoded)
+            .output()
+            .unwrap();
+
+        transcoded
+    }
+
     pub async fn api(&self) -> serde_json::Value {
         let album_title = if let Some(album_ref) = &self.album_id {
             album_ref