shithub: libvpx

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vp9: Speed >= 8: Enable simple_block_yrd speed feature.

Enable speed feature for resolutions > VGA.
avgPSNR on RTC down by ~1.7%.
Speedup on ARM: ~5%.

Change-Id: I7a3fe5f7425aa8df3f4a2eced1afa355bc0d4c95

--- a/vp9/encoder/vp9_pickmode.c

+++ b/vp9/encoder/vp9_pickmode.c

@@ -652,7 +652,7 @@

 #endif

   if (cpi->sf.use_simple_block_yrd && cpi->common.frame_type != KEY_FRAME &&

-      !cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id)) {

+      bsize < BLOCK_32X32) {

     unsigned int var_y, sse_y;

     (void)tx_size;

     model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc->rate, &this_rdc->dist,

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

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

@@ -568,7 +568,7 @@

       sf->adaptive_rd_thresh = 2;

     }

     sf->limit_newmv_early_exit = 0;

-    sf->use_simple_block_yrd = 0;

+    if (cm->width > 640 && cm->height > 480) sf->use_simple_block_yrd = 1;

   }

   // Turn off adaptive_rd_thresh if row_mt is on for all the non-rd paths. This

   // causes too many locks in realtime mode in certain platforms (Android ARM,