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Enable large partition bias for < 4k resolution #5421

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Merged
leolzhao merged 1 commit into from
Sep 21, 2026
Merged

Enable large partition bias for < 4k resolution #5421

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4 changes: 3 additions & 1 deletion av2/encoder/speed_features.c
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Original file line number Diff line number Diff line change
Expand Up @@ -725,7 +725,6 @@ static void set_good_speed_features_lc_dec_framesize_independent(
cpi->oxcf.tool_cfg.enable_tip_refinemv = 0;
cpi->oxcf.tool_cfg.reduced_ref_frame_mvs_mode = 1;

// TODO(yunqing): extend this SF to other resolutions.
const int is_2k_or_larger = AVMMIN(cm->width, cm->height) >= 2160;
const int qindex_offset = MAXQ_OFFSET * (cm->seq_params.bit_depth - 8);
const int qindex_thresh = 112 + qindex_offset;
Expand All @@ -752,6 +751,9 @@ static void set_good_speed_features_lc_dec_framesize_independent(
cm->current_frame.pyramid_level > 1 && !is_2k_or_larger)
? 1
: 0;

sf->lc_sf.enable_partition_size_bias =
(cm->quant_params.base_qindex >= qindex_thresh) ? 1 : 0;
}
}

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