1 files changed, 81 insertions, 0 deletions
diff --git a/third_party/aom/test/scalability_test.cc b/third_party/aom/test/scalability_test.cc
new file mode 100644
index 0000000000..b399188617
--- /dev/null
+++ b/third_party/aom/test/scalability_test.cc
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2018, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+
+namespace {
+
+const int kCpuUsed = 8;
+const int kBaseLayerQp = 55;
+const int kEnhancementLayerQp = 20;
+
+class ScalabilityTest
+    : public ::libaom_test::CodecTestWithParam<libaom_test::TestMode>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  ScalabilityTest() : EncoderTest(GET_PARAM(0)) {}
+  virtual ~ScalabilityTest() {}
+
+  virtual void SetUp() {
+    InitializeConfig();
+    SetMode(GET_PARAM(1));
+    num_spatial_layers_ = 2;
+  }
+
+  virtual void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                                  ::libaom_test::Encoder *encoder) {
+    if (video->frame() == 0) {
+      encoder->Control(AOME_SET_CPUUSED, kCpuUsed);
+      encoder->Control(AOME_SET_NUMBER_SPATIAL_LAYERS, num_spatial_layers_);
+    } else if (video->frame() % num_spatial_layers_) {
+      frame_flags_ = AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 |
+                     AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF |
+                     AOM_EFLAG_NO_REF_BWD | AOM_EFLAG_NO_REF_ARF2 |
+                     AOM_EFLAG_NO_UPD_LAST | AOM_EFLAG_NO_UPD_GF |
+                     AOM_EFLAG_NO_UPD_ARF | AOM_EFLAG_NO_UPD_ENTROPY;
+      encoder->Control(AOME_SET_SPATIAL_LAYER_ID, 1);
+      encoder->Control(AOME_SET_CQ_LEVEL, kEnhancementLayerQp);
+    } else {
+      frame_flags_ = AOM_EFLAG_NO_REF_LAST2 | AOM_EFLAG_NO_REF_LAST3 |
+                     AOM_EFLAG_NO_REF_GF | AOM_EFLAG_NO_REF_ARF |
+                     AOM_EFLAG_NO_REF_BWD | AOM_EFLAG_NO_REF_ARF2 |
+                     AOM_EFLAG_NO_UPD_GF | AOM_EFLAG_NO_UPD_ARF |
+                     AOM_EFLAG_NO_UPD_ENTROPY;
+      encoder->Control(AOME_SET_SPATIAL_LAYER_ID, 0);
+      encoder->Control(AOME_SET_CQ_LEVEL, kBaseLayerQp);
+    }
+  }
+
+  void DoTest(int num_spatial_layers) {
+    num_spatial_layers_ = num_spatial_layers;
+    cfg_.rc_end_usage = AOM_Q;
+    cfg_.g_lag_in_frames = 0;
+
+    ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352,
+                                         288, 30, 1, 0, 18);
+    ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  }
+
+  int num_spatial_layers_;
+};
+
+TEST_P(ScalabilityTest, TestNoMismatch2SpatialLayers) { DoTest(2); }
+
+TEST_P(ScalabilityTest, TestNoMismatch3SpatialLayers) { DoTest(3); }
+
+AV1_INSTANTIATE_TEST_CASE(ScalabilityTest,
+                          ::testing::Values(::libaom_test::kRealTime));
+
+}  // namespace