adts: when there are no frames to be parsed, dont try to calculate n_…

…frames
pdeljanov · Aug 31, 2023 · 8c0f81c · 8c0f81c
1 parent b0e7d2d
commit 8c0f81c
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/symphonia-codec-aac/src/adts.rs b/symphonia-codec-aac/src/adts.rs
@@ -296,7 +296,12 @@ fn aproximate_frame_count(mut source: &mut MediaSourceStream) -> Option<u64> {
 
         let header = match AdtsHeader::read(&mut source) {
             Ok(header) => header,
-            _ => break Some(calculate_n_frames!(n_bytes, parsed_n_frames, total_len)),
+            _ => {
+                if parsed_n_frames == 0 {
+                    break None;
+                }
+                break Some(calculate_n_frames!(n_bytes, parsed_n_frames, total_len));
+            }
         };
 
         if source.ignore_bytes(header.frame_len as u64).is_err() {