rtc: Add datarate test with multi-threading

Change-Id: I467598cacf566357e30c55a3345c410ff1f3a7f0

test/datarate_test.cc

diff --git a/test/datarate_test.cc b/test/datarate_test.cc
index 6501b47..d0b513d 100644
--- a/test/datarate_test.cc
+++ b/test/datarate_test.cc
@@ -84,6 +84,33 @@
         << " The datarate for the file is greater than target by too much!";
   }
 
+  virtual void BasicRateTargetingMTCBRTest() {
+    ::libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30,
+                                         1, 0, 400);
+    cfg_.rc_buf_initial_sz = 500;
+    cfg_.rc_buf_optimal_sz = 500;
+    cfg_.rc_buf_sz = 1000;
+    cfg_.rc_dropframe_thresh = 1;
+    cfg_.rc_min_quantizer = 0;
+    cfg_.rc_max_quantizer = 63;
+    cfg_.rc_end_usage = AOM_CBR;
+    cfg_.g_lag_in_frames = 0;
+    cfg_.g_threads = 4;
+
+    const int bitrate_array[2] = { 250, 650 };
+    cfg_.rc_target_bitrate = bitrate_array[GET_PARAM(4)];
+    ResetModel();
+    tile_column_ = 2;
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+    ASSERT_GE(static_cast<double>(cfg_.rc_target_bitrate),
+              effective_datarate_ * 0.85)
+        << " The datarate for the file exceeds the target by too much!";
+    ASSERT_LE(static_cast<double>(cfg_.rc_target_bitrate),
+              effective_datarate_ * 1.15)
+        << " The datarate for the file missed the target!"
+        << cfg_.rc_target_bitrate << " " << effective_datarate_;
+  }
+
   virtual void ErrorResilienceOnSceneCuts() {
     if (GET_PARAM(4) > 0) return;
     cfg_.rc_buf_initial_sz = 500;
@@ -287,6 +314,11 @@
   BasicRateTargetingCBRTest();
 }
 
+// Check basic rate targeting for CBR, with 4 threads
+TEST_P(DatarateTestLarge, BasicRateTargetingMTCBR) {
+  BasicRateTargetingMTCBRTest();
+}
+
 // Check basic rate targeting for periodic key frame.
 TEST_P(DatarateTestLarge, PeriodicKeyFrameCBR) {
   BasicRateTargetingCBRPeriodicKeyFrameTest();
@@ -382,6 +414,11 @@
   BasicRateTargetingCBRTest();
 }
 
+// Check basic rate targeting for CBR, with 4 threads
+TEST_P(DatarateTestRealtime, BasicRateTargetingMTCBR) {
+  BasicRateTargetingMTCBRTest();
+}
+
 // Check basic rate targeting for periodic key frame.
 TEST_P(DatarateTestRealtime, PeriodicKeyFrameCBR) {
   BasicRateTargetingCBRPeriodicKeyFrameTest();

test/datarate_test.h

diff --git a/test/datarate_test.h b/test/datarate_test.h
index c596b22..05df64d 100644
--- a/test/datarate_test.h
+++ b/test/datarate_test.h
@@ -47,6 +47,7 @@
     bits_total_ = 0;
     denoiser_offon_test_ = 0;
     denoiser_offon_period_ = -1;
+    tile_column_ = 0;
   }
 
   virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
@@ -54,7 +55,8 @@
     if (video->frame() == 0) {
       encoder->Control(AOME_SET_CPUUSED, set_cpu_used_);
       encoder->Control(AV1E_SET_AQ_MODE, aq_mode_);
-      encoder->Control(AV1E_SET_TILE_COLUMNS, 0);
+      encoder->Control(AV1E_SET_TILE_COLUMNS, tile_column_);
+      encoder->Control(AV1E_SET_ROW_MT, 1);
       if (cfg_.g_usage == AOM_USAGE_REALTIME) {
         encoder->Control(AV1E_SET_ENABLE_GLOBAL_MOTION, 0);
         encoder->Control(AV1E_SET_ENABLE_WARPED_MOTION, 0);
@@ -155,6 +157,7 @@
   int denoiser_offon_period_;
   unsigned int aq_mode_;
   bool speed_change_test_;
+  int tile_column_;
 };
 
 }  // namespace