shithub: libvpx

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vp9-rtc: Some speedups to speed 5 real-time mode

Disable checking rectangular partitions in
nonrd_pick_partition, and enable use_source_sad.

~3-4% speedup for HD clip on x86.
bdrate loss of ~0.2% on rtc set.

Change-Id: Ibef8f100f1f623482d47510cb4ec9278ba777d7c

--- a/vp9/encoder/vp9_encodeframe.c

+++ b/vp9/encoder/vp9_encodeframe.c

@@ -5069,8 +5069,8 @@

   (void)*tp_orig;

-  // Avoid checking for rectangular partitions for speed >= 6.

-  if (cpi->oxcf.speed >= 6) do_rect = 0;

+  // Avoid checking for rectangular partitions for speed >= 5.

+  if (cpi->oxcf.speed >= 5) do_rect = 0;

   assert(num_8x8_blocks_wide_lookup[bsize] ==

          num_8x8_blocks_high_lookup[bsize]);

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

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

@@ -632,6 +632,7 @@

       sf->use_compound_nonrd_pickmode = 1;

     }

     if (cm->width * cm->height > 1280 * 720) sf->cb_pred_filter_search = 1;

+    if (!cpi->external_resize) sf->use_source_sad = 1;

   }

   if (speed >= 6) {

@@ -643,8 +644,6 @@

     sf->mv.search_method = NSTEP;

     sf->mv.reduce_first_step_size = 1;

     sf->skip_encode_sb = 0;

-

-    if (!cpi->external_resize) sf->use_source_sad = 1;

     if (sf->use_source_sad) {

       sf->adapt_partition_source_sad = 1;