Lines Matching defs:delta_q
1397 * range of vpx_roi_map_t.delta_q[i] is [-63, 63]
1406 /* record the mapping from delta_q to "segment id + 1" in segment_mapping[].
1407 * the range of delta_q is [-MAX_DELTA_Q, MAX_DELTA_Q],
1418 * (delta_q of segment id 0 is 0).
1436 int delta_q;
1445 delta_q = (int)(roi->qoffset.num * 1.0f / roi->qoffset.den * MAX_DELTA_Q);
1446 delta_q = av_clip(delta_q, -MAX_DELTA_Q, MAX_DELTA_Q);
1448 mapping_index = delta_q + MAX_DELTA_Q;
1458 roi_map->delta_q[segment_id] = delta_q;
1475 int delta_q;
1486 delta_q = (int)(roi->qoffset.num * 1.0f / roi->qoffset.den * MAX_DELTA_Q);
1487 delta_q = av_clip(delta_q, -MAX_DELTA_Q, MAX_DELTA_Q);
1489 mapping_value = segment_mapping[delta_q + MAX_DELTA_Q];