mp3_frame: Only supports layer 3, fixes some probe issues

wader · Sep 12, 2021 · 60df04b · 60df04b
1 parent 2b8d11d
commit 60df04b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/format/mpeg/mp3_frame.go b/format/mpeg/mp3_frame.go
@@ -150,6 +150,9 @@ func frameDecode(d *decode.D, in interface{}) interface{} {
 				panic("unreachable")
 			}
 		})
+		if mpegLayer != 3 {
+			d.Invalid("Not layer 3")
+		}
 		// [mpeg layer][mpeg version]
 		var samplesPerFrameIndex = map[uint][4]uint{
 			0: [...]uint{0, 0, 0, 0},