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Track spatial vs. temporal segmentation map signaling costs (seg_tmp_pred_cost[0] and seg_tmp_pred_cost[1]) online in av2_update_state() and across worker threads in accumulate_rd_opt(), and select cm->seg.temporal_update in encode_frame_internal() when temporal prediction is cheaper than spatial prediction. Also recompute mbmi->seg_id_predicted against cm->last_frame_seg_map in write_inter_segment_id() and allow temporal_update for the default primary reference frame in encode_with_recode_loop_and_filter().
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Track spatial vs. temporal segmentation map signaling costs (seg_tmp_pred_cost[0] and seg_tmp_pred_cost[1]) online in av2_update_state() and across worker threads in accumulate_rd_opt(), and select cm->seg.temporal_update in encode_frame_internal() when temporal prediction is cheaper than spatial prediction.
Also recompute mbmi->seg_id_predicted against cm->last_frame_seg_map in write_inter_segment_id() and allow temporal_update for the default primary reference frame in encode_with_recode_loop_and_filter().
RTC test set: neutral bdrate with 3% speed up