Add a comment in encoder thread test

Added a comment.

Change-Id: I82f71c72598ad6f1eaa0b57b0b8ec56ab9658e81

diff --git a/test/vp9_ethread_test.cc b/test/vp9_ethread_test.cc
index 43052e6353a933a3a0127fc42f4a3d07a556016f..73b7b8ad92becc1140e7d86f467b1173cdb24550 100644 (file)
--- a/test/vp9_ethread_test.cc
+++ b/test/vp9_ethread_test.cc
@@ -351,6 +351,8 @@ TEST_P(VPxEncoderThreadTest, EncoderResultTest) {
   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;
   bit_exact_mode_ = 0;