uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
if (i < 2 ? dir : dir2) {
- srcU = s->next_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->next_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->next_picture.f.data[1];
+ srcV = s->next_picture.f.data[2];
lutuv = v->next_lutuv;
use_ic = v->next_use_ic;
} else {
- srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->last_picture.f.data[1];
+ srcV = s->last_picture.f.data[2];
lutuv = v->last_lutuv;
use_ic = v->last_use_ic;
}
+ if (!srcU)
+ return;
+ srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
uvmx_field[i] = (uvmx_field[i] & 3) << 1;
uvmy_field[i] = (uvmy_field[i] & 3) << 1;