improve coverage (#168)

pkg/codecs/h264/dtsextractor_test.go

@@ -165,3 +165,21 @@ func TestDTSExtractor(t *testing.T) {
 		})
 	}
 }
+
+func FuzzDTSExtractor(f *testing.F) {
+	ex := NewDTSExtractor()
+	f.Fuzz(func(t *testing.T, b []byte, p uint64) {
+		if len(b) < 1 {
+			return
+		}
+		ex.Extract([][]byte{
+			{ // SPS
+				0x27, 0x64, 0x00, 0x20, 0xac, 0x52, 0x18, 0x0f,
+				0x01, 0x17, 0xef, 0xff, 0x00, 0x01, 0x00, 0x01,
+				0x6a, 0x02, 0x02, 0x03, 0x6d, 0x85, 0x6b, 0xde,
+				0xf8, 0x08,
+			},
+			b,
+		}, time.Duration(p))
+	})
+}