shithub: libvpx

Download patch

ref: 6843e7c7f35ca2c63fe5a9a4f4663c463fd480a7
parent: 787970a62519a0082dca723224ca757529014b9f
parent: bfd0f41f9b8282a458e276fbccf07c8e9ae0870b
author: Yunqing Wang <[email protected]>
date: Wed Aug 2 20:03:10 EDT 2017

Merge "Force the bit exactness in the first pass"

--- a/test/vp9_ethread_test.cc
+++ b/test/vp9_ethread_test.cc
@@ -340,8 +340,6 @@
   ASSERT_EQ(single_thr_md5, multi_thr_md5);
 
   // Part 2: row_mt_mode_ = 0 vs row_mt_mode_ = 1 single thread bit exact test.
-  // The first-pass stats are not bit exact here, but that difference doesn't
-  // cause a mismatch between the final bitstreams.
   row_mt_mode_ = 1;
 
   // Encode using single thread
--- a/vp9/encoder/vp9_encoder.c
+++ b/vp9/encoder/vp9_encoder.c
@@ -5589,7 +5589,7 @@
     cpi->row_mt = 1;
   }
 
-  if (cpi->row_mt && cpi->oxcf.max_threads > 1)
+  if (cpi->row_mt)
     cpi->row_mt_bit_exact = 1;
   else
     cpi->row_mt_bit_exact = 0;
--- a/vp9/encoder/vp9_speed_features.c
+++ b/vp9/encoder/vp9_speed_features.c
@@ -664,7 +664,8 @@
   // and multiple threads match.
   // It can be used in realtime when adaptive_rd_thresh_row_mt is enabled since
   // adaptive_rd_thresh is defined per-row for non-rd pickmode.
-  if (!sf->adaptive_rd_thresh_row_mt && cpi->row_mt_bit_exact)
+  if (!sf->adaptive_rd_thresh_row_mt && cpi->row_mt_bit_exact &&
+      oxcf->max_threads > 1)
     sf->adaptive_rd_thresh = 0;
 
   // This is only used in motion vector unit test.
@@ -820,7 +821,8 @@
   // and multiple threads match.
   // It can be used in realtime when adaptive_rd_thresh_row_mt is enabled since
   // adaptive_rd_thresh is defined per-row for non-rd pickmode.
-  if (!sf->adaptive_rd_thresh_row_mt && cpi->row_mt_bit_exact)
+  if (!sf->adaptive_rd_thresh_row_mt && cpi->row_mt_bit_exact &&
+      oxcf->max_threads > 1)
     sf->adaptive_rd_thresh = 0;
 
   // This is only used in motion vector unit test.