1 files changed, 11 insertions, 3 deletions
diff --git a/import/src/matroska.rs b/import/src/matroska.rs
index bb8d927..6a33420 100644
--- a/import/src/matroska.rs
+++ b/import/src/matroska.rs
@@ -16,6 +16,7 @@ use jellybase::{
     cache::{cache_file, cache_memory},
 };
 use jellycommon::Asset;
+use log::info;
 use std::{
     fs::File,
     io::{BufReader, ErrorKind, Read, Write},
@@ -32,8 +33,15 @@ pub(crate) struct MatroskaMetadata {
     pub tags: Option<Tags>,
     pub infojson: Option<YVideo>,
 }
-pub(crate) fn matroska_metadata(path: &Path) -> Result<Arc<MatroskaMetadata>> {
+pub(crate) fn matroska_metadata(path: &Path) -> Result<Arc<Option<MatroskaMetadata>>> {
     cache_memory(&["mkmeta-v1", path.to_string_lossy().as_ref()], || {
+        let mut magic = [0; 4];
+        File::open(path)?.read_exact(&mut magic).ok();
+        if !matches!(magic, [0x1A, 0x45, 0xDF, 0xA3]) {
+            return Ok(None);
+        }
+
+        info!("reading media file {path:?}");
         let mut file = BufReader::new(File::open(path)?);
         let mut file = file.by_ref().take(u64::MAX);
 
@@ -100,13 +108,13 @@ pub(crate) fn matroska_metadata(path: &Path) -> Result<Arc<MatroskaMetadata>> {
                 }
             }
         }
-        Ok(MatroskaMetadata {
+        Ok(Some(MatroskaMetadata {
             chapters,
             cover,
             info,
             infojson,
             tags,
             tracks,
-        })
+        }))
     })
 }