Merge commit '0f562f5b833d603e04123d198c59f8b2b5eb43e4'

* commit '0f562f5b833d603e04123d198c59f8b2b5eb43e4':
  h264: Do not print an error when the buffer has to be refilled

Conflicts:
	libavcodec/h264.c

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>

libavcodec/h264.h

@@ -1192,6 +1192,7 @@ static inline int get_avc_nalsize(H264Context *h, const uint8_t *buf,
     int i, nalsize = 0;
 
     if (*buf_index >= buf_size - h->nal_length_size) {
+        // the end of the buffer is reached, refill it.
         return AVERROR(EAGAIN);
     }