rtc: Skip interp filter search and model rd computation
This CL disables interpolation filter search and model rd based
breakout conditions if compound mode and interpolation filter
search are disabled.
This change is applicable for RT speed 5, 6.
Instruction Count BD-Rate Loss(%)
cpu-used Reduction(%) avg.psnr ovr.psnr ssim
5 1.096 -0.0934 -0.1206 -0.1281
6 1.312 -0.1074 -0.1020 -0.0832
STATS_CHANGED
Change-Id: I835bbcba916f7c5af2658387e17499cd4798bc1a
diff --git a/av1/encoder/rdopt.c b/av1/encoder/rdopt.c
index 39b8ffa..0da6596 100644
--- a/av1/encoder/rdopt.c
+++ b/av1/encoder/rdopt.c
@@ -2662,6 +2662,16 @@
const int base_rate =
args->ref_frame_cost + args->single_comp_cost + ref_mv_cost;
+ // As per the experiments, in real-time preset impact of model rd based
+ // breakouts is less on encoding time if the following conditions are true.
+ // (1) compound mode is disabled
+ // (2) interpolation filter search is disabled
+ // TODO(any): Check the impact of model rd based breakouts in other presets
+ const int skip_interp_search_modelrd_calc =
+ cpi->oxcf.mode == REALTIME &&
+ cm->current_frame.reference_mode == SINGLE_REFERENCE &&
+ cpi->sf.rt_sf.skip_interp_filter_search;
+
for (i = 0; i < MAX_REF_MV_SEARCH - 1; ++i) {
save_mv[i][0].as_int = INVALID_MV;
save_mv[i][1].as_int = INVALID_MV;
@@ -2796,39 +2806,41 @@
if (not_best_mode) continue;
}
+ if (!skip_interp_search_modelrd_calc) {
#if CONFIG_COLLECT_COMPONENT_TIMING
- start_timing(cpi, interpolation_filter_search_time);
+ start_timing(cpi, interpolation_filter_search_time);
#endif
- // Determine the interpolation filter for this mode
- ret_val = av1_interpolation_filter_search(
- x, cpi, tile_data, bsize, &tmp_dst, &orig_dst, &rd, &rs,
- &skip_build_pred, args, ref_best_rd);
+ // Determine the interpolation filter for this mode
+ ret_val = av1_interpolation_filter_search(
+ x, cpi, tile_data, bsize, &tmp_dst, &orig_dst, &rd, &rs,
+ &skip_build_pred, args, ref_best_rd);
#if CONFIG_COLLECT_COMPONENT_TIMING
- end_timing(cpi, interpolation_filter_search_time);
+ end_timing(cpi, interpolation_filter_search_time);
#endif
- if (args->modelled_rd != NULL && !is_comp_pred) {
- args->modelled_rd[this_mode][ref_mv_idx][refs[0]] = rd;
- }
- if (ret_val != 0) {
- restore_dst_buf(xd, orig_dst, num_planes);
- continue;
- } else if (cpi->sf.inter_sf.model_based_post_interp_filter_breakout &&
- ref_best_rd != INT64_MAX && (rd >> 3) * 3 > ref_best_rd) {
- restore_dst_buf(xd, orig_dst, num_planes);
- continue;
- }
+ if (args->modelled_rd != NULL && !is_comp_pred) {
+ args->modelled_rd[this_mode][ref_mv_idx][refs[0]] = rd;
+ }
+ if (ret_val != 0) {
+ restore_dst_buf(xd, orig_dst, num_planes);
+ continue;
+ } else if (cpi->sf.inter_sf.model_based_post_interp_filter_breakout &&
+ ref_best_rd != INT64_MAX && (rd >> 3) * 3 > ref_best_rd) {
+ restore_dst_buf(xd, orig_dst, num_planes);
+ continue;
+ }
- // Compute modelled RD if enabled
- if (args->modelled_rd != NULL) {
- if (is_comp_pred) {
- const int mode0 = compound_ref0_mode(this_mode);
- const int mode1 = compound_ref1_mode(this_mode);
- const int64_t mrd =
- AOMMIN(args->modelled_rd[mode0][ref_mv_idx][refs[0]],
- args->modelled_rd[mode1][ref_mv_idx][refs[1]]);
- if ((rd >> 3) * 6 > mrd && ref_best_rd < INT64_MAX) {
- restore_dst_buf(xd, orig_dst, num_planes);
- continue;
+ // Compute modelled RD if enabled
+ if (args->modelled_rd != NULL) {
+ if (is_comp_pred) {
+ const int mode0 = compound_ref0_mode(this_mode);
+ const int mode1 = compound_ref1_mode(this_mode);
+ const int64_t mrd =
+ AOMMIN(args->modelled_rd[mode0][ref_mv_idx][refs[0]],
+ args->modelled_rd[mode1][ref_mv_idx][refs[1]]);
+ if ((rd >> 3) * 6 > mrd && ref_best_rd < INT64_MAX) {
+ restore_dst_buf(xd, orig_dst, num_planes);
+ continue;
+ }
}
}
}
