1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/mlp.c b/libavcodec/mlp.c
index c522617e0b..a290e465e5 100644
--- a/libavcodec/mlp.c
+++ b/libavcodec/mlp.c
@@ -96,6 +96,8 @@ uint8_t ff_mlp_calculate_parity(const uint8_t *buf, unsigned int buf_size)
     uint32_t scratch = 0;
     const uint8_t *buf_end = buf + buf_size;
 
+    for (; ((intptr_t) buf & 3) && buf < buf_end; buf++)
+        scratch ^= *buf;
     for (; buf < buf_end - 3; buf += 4)
         scratch ^= *((const uint32_t*)buf);