mp4: Consider track/disc number <= 0 as invalid and missing

Serial-ATA · Jan 13, 2024 · e65fec4 · e65fec4
1 parent 5b3c26d
commit e65fec4
Showing 1 changed file with 12 additions and 4 deletions.
diff --git a/src/mp4/ilst/mod.rs b/src/mp4/ilst/mod.rs
@@ -599,16 +599,24 @@ impl SplitTag for Ilst {
 								let current = u16::from_be_bytes([data[2], data[3]]);
 								let total = u16::from_be_bytes([data[4], data[5]]);
 
-								tag.insert_text(ItemKey::TrackNumber, current.to_string());
-								tag.insert_text(ItemKey::TrackTotal, total.to_string());
+								if current > 0 {
+									tag.insert_text(ItemKey::TrackNumber, current.to_string());
+								}
+								if total > 0 {
+									tag.insert_text(ItemKey::TrackTotal, total.to_string());
+								}
 								return false; // Atom consumed
 							},
 							b"disk" => {
 								let current = u16::from_be_bytes([data[2], data[3]]);
 								let total = u16::from_be_bytes([data[4], data[5]]);
 
-								tag.insert_text(ItemKey::DiscNumber, current.to_string());
-								tag.insert_text(ItemKey::DiscTotal, total.to_string());
+								if current > 0 {
+									tag.insert_text(ItemKey::DiscNumber, current.to_string());
+								}
+								if total > 0 {
+									tag.insert_text(ItemKey::DiscTotal, total.to_string());
+								}
 								return false; // Atom consumed
 							},
 							_ => {},