libavcodec/svq3.c:546: error: Buffer Overrun L1
  Offset added: 16 Size: 4.

libavcodec/svq3.c:483:1: <Length trace>
481. }
482. 
483. static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
     ^
484. {
485.     H264Context *h = &s->h;

libavcodec/svq3.c:483:1: Parameter `(*s->h.cur_pic.motion_val[*])[*]`
481. }
482. 
483. static int svq3_decode_mb(SVQ3Context *s, unsigned int mb_type)
     ^
484. {
485.     H264Context *h = &s->h;

libavcodec/svq3.c:546:17: Array access: Offset added: 16 Size: 4
544.             }
545.             if (sl->mb_y > 0) {
546.                 memcpy(sl->mv_cache[m][scan8[0] - 1 * 8],
                     ^
547.                        h->cur_pic.motion_val[m][b_xy - h->b_stride],
548.                        4 * 2 * sizeof(int16_t));
