Revert "Speed up ALAC playback by using streaming decoder"

This reverts commit 20eac2f578.

src-tauri/src/player/mod.rs

@@ -235,8 +235,14 @@ fn extract_audio_metadata(data: &[u8]) -> Result<(u32, u16), String> {
 fn decode_with_fallback(
     data: &[u8],
 ) -> Result<Box<dyn Source<Item = i16> + Send>, String> {
-    // Try rodio's Decoder first (supports ALAC via symphonia-all feature)
-    // This streams instead of decoding everything upfront
+    if is_isomp4(data) {
+        return decode_with_symphonia(data)
+            .map(|specs| {
+                log::info!("Decoded audio using symphonia fallback (isomp4)");
+                Box::new(specs.samples) as Box<dyn Source<Item = i16> + Send>
+            });
+    }
+
     let primary = panic::catch_unwind(AssertUnwindSafe(|| {
         Decoder::new(BufReader::new(Cursor::new(data.to_vec())))
     }));