shithub: libvpx

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vp9-rtc: Fix to speed 4 for real-time mode

Fix some speed feature settings for speed 4
in real-time mode.

Use rd pickmode (i.e.,nonrd_pick_mode=0), but
use variance partitioning. Allow aq-mode=3 to
work at speed 4 and modify some other speed settings.
This makes it much faster than the current speed 4,
and still better quality than speed 5.

Change-Id: I94ec43ccac022030a75b5a528703be0c37f9a35c

--- a/vp9/encoder/vp9_aq_cyclicrefresh.c

+++ b/vp9/encoder/vp9_aq_cyclicrefresh.c

@@ -187,7 +187,8 @@

   // If this block is labeled for refresh, check if we should reset the

   // segment_id.

-  if (cyclic_refresh_segment_id_boosted(mi->segment_id)) {

+  if (cpi->sf.use_nonrd_pick_mode &&

+      cyclic_refresh_segment_id_boosted(mi->segment_id)) {

     mi->segment_id = refresh_this_block;

     // Reset segment_id if it will be skipped.

     if (skip) mi->segment_id = CR_SEGMENT_ID_BASE;

--- a/vp9/encoder/vp9_speed_features.c

+++ b/vp9/encoder/vp9_speed_features.c

@@ -536,13 +536,6 @@

     int i;

     if (cpi->oxcf.rc_mode == VPX_VBR && cpi->oxcf.lag_in_frames > 0)

       sf->use_altref_onepass = 1;

-    sf->last_partitioning_redo_frequency = 4;

-    sf->adaptive_rd_thresh = 5;

-    sf->use_fast_coef_costing = 0;

-    sf->auto_min_max_partition_size = STRICT_NEIGHBORING_MIN_MAX;

-    sf->adjust_partitioning_from_last_frame =

-        cm->last_frame_type != cm->frame_type ||

-        (0 == (frames_since_key + 1) % sf->last_partitioning_redo_frequency);

     sf->mv.subpel_force_stop = QUARTER_PEL;

     for (i = 0; i < TX_SIZES; i++) {

       sf->intra_y_mode_mask[i] = INTRA_DC_H_V;

@@ -551,13 +544,19 @@

     sf->intra_y_mode_mask[TX_32X32] = INTRA_DC;

     sf->frame_parameter_update = 0;

     sf->mv.search_method = FAST_HEX;

-

-    sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEAR_NEW;

-    sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST;

-    sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST;

-    sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST;

+    sf->allow_skip_recode = 0;

     sf->max_intra_bsize = BLOCK_32X32;

-    sf->allow_skip_recode = 1;

+    sf->use_fast_coef_costing = 0;

+    sf->use_quant_fp = !is_keyframe;

+    sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEW_ZERO;

+    sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST_NEW_ZERO;

+    sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST_NEW_ZERO;

+    sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST_NEW_ZERO;

+    sf->adaptive_rd_thresh = 2;

+    sf->use_fast_coef_updates = is_keyframe ? TWO_LOOP : ONE_LOOP_REDUCED;

+    sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH;

+    sf->tx_size_search_method = is_keyframe ? USE_LARGESTALL : USE_TX_8X8;

+    sf->partition_search_type = VAR_BASED_PARTITION;

   }

   if (speed >= 5) {

@@ -819,7 +818,7 @@

   }

   // TODO(marpan): There is regression for aq-mode=3 speed <= 4, force it

   // off for now.

-  if (speed <= 4 && cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)

+  if (speed <= 3 && cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)

     cpi->oxcf.aq_mode = 0;

 }