libavcodec/svq3.c:499: error: Buffer Overrun L1
  Offset added: 16 Size: 4.

libavcodec/svq3.c:437:1: <Length trace>
435. }
436. 
437. static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
     ^
438. {
439.     H264Context *h = &svq3->h;

libavcodec/svq3.c:437:1: Parameter `svq3->h.mv_cache[*][*][*]`
435. }
436. 
437. static int svq3_decode_mb(SVQ3Context *svq3, unsigned int mb_type)
     ^
438. {
439.     H264Context *h = &svq3->h;

libavcodec/svq3.c:499:17: Array access: Offset added: 16 Size: 4
497.             }
498.             if (s->mb_y > 0) {
499.                 memcpy(h->mv_cache[m][scan8[0] - 1*8], s->current_picture.f.motion_val[m][b_xy - h->b_stride], 4*2*sizeof(int16_t));
                     ^
500.                 memset(&h->ref_cache[m][scan8[0] - 1*8], (h->intra4x4_pred_mode[h->mb2br_xy[mb_xy - s->mb_stride]] == -1) ? PART_NOT_AVAILABLE : 1, 4);
501. 
