Only affects variance partition at low-resoln,
speed 6,7 real-time mode. At very high Q better to
save bits from the split to 8x8.
bdrate gain ~3% on rtc_derf at very low bitrates
Change-Id: I94ee58e67d5ba6277cbab8f8dd9ea45b035c82b5
if (cm->width * cm->height >= 640 * 360) sf->variance_part_thresh_mult = 2;
}
+ // Disable split to 8x8 for low-resolution at very high Q.
+ // For variance partition (speed >= 6).
+ if (cm->frame_type != KEY_FRAME && cm->width * cm->height <= 320 * 240 &&
+ sf->partition_search_type == VAR_BASED_PARTITION &&
+ cpi->rc.avg_frame_qindex[INTER_FRAME] > 208)
+ sf->disable_16x16part_nonkey = 1;
+
if (sf->nonrd_use_ml_partition)
sf->partition_search_type = ML_BASED_PARTITION;