IVITile *tile, AVCodecContext *avctx)
{
int x, y, mv_x, mv_y, mv_delta, offs, mb_offset,
- mv_scale, blks_per_mb;
+ mv_scale, blks_per_mb, s;
IVIMbInfo *mb, *ref_mb;
int row_offset = band->mb_size * band->pitch;
}
}
+ s= band->is_halfpel;
+ if (mb->type)
+ if ( x + (mb->mv_x >>s) + (y+ (mb->mv_y >>s))*band->pitch < 0 ||
+ x + ((mb->mv_x+s)>>s) + band->mb_size - 1
+ + (y+band->mb_size - 1 +((mb->mv_y+s)>>s))*band->pitch > band->bufsize - 1) {
+ av_log(avctx, AV_LOG_ERROR, "motion vector %d %d outside reference\n", x*s + mb->mv_x, y*s + mb->mv_y);
+ return AVERROR_INVALIDDATA;
+ }
+
mb++;
if (ref_mb)
ref_mb++;
band->pitch = width_aligned;
band->bufs[0] = av_malloc(buf_size);
band->bufs[1] = av_malloc(buf_size);
+ band->bufsize = buf_size/2;
if (!band->bufs[0] || !band->bufs[1])
return AVERROR(ENOMEM);