1 files changed, 363 insertions, 0 deletions
diff --git a/third_party/aom/test/tile_config_test.cc b/third_party/aom/test/tile_config_test.cc
new file mode 100644
index 0000000000..e2ac59284b
--- /dev/null
+++ b/third_party/aom/test/tile_config_test.cc
@@ -0,0 +1,363 @@
+/*
+ * Copyright (c) 2020, 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 "aom/aom_codec.h"
+#include "aom_dsp/aom_dsp_common.h"
+#include "third_party/googletest/src/googletest/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/y4m_video_source.h"
+#include "test/i420_video_source.h"
+#include "test/util.h"
+
+namespace {
+typedef struct {
+  // Superblock size
+  const unsigned int sb_size;
+  // log2(number of tile rows)
+  const unsigned int tile_rows;
+  // log2(number of tile columns)
+  const unsigned int tile_cols;
+} uniformTileConfigParam;
+
+const libaom_test::TestMode kTestModeParams[] =
+#if CONFIG_REALTIME_ONLY
+    { ::libaom_test::kRealTime };
+#else
+    { ::libaom_test::kRealTime, ::libaom_test::kOnePassGood,
+      ::libaom_test::kTwoPassGood };
+#endif
+
+static const uniformTileConfigParam uniformTileConfigParams[] = {
+  { 128, 0, 0 }, { 128, 0, 2 }, { 128, 2, 0 }, { 128, 1, 2 }, { 128, 2, 2 },
+  { 128, 3, 2 }, { 64, 0, 0 },  { 64, 0, 2 },  { 64, 2, 0 },  { 64, 1, 2 },
+  { 64, 2, 2 },  { 64, 3, 3 },  { 64, 4, 4 }
+};
+
+typedef struct {
+  // Superblock size
+  const unsigned int sb_size;
+  // number of tile widths
+  const unsigned int tile_width_count;
+  // list of tile widths
+  int tile_widths[AOM_MAX_TILE_COLS];
+  // number of tile heights
+  const unsigned int tile_height_count;
+  // list of tile heights
+  int tile_heights[AOM_MAX_TILE_ROWS];
+} nonUniformTileConfigParam;
+
+const nonUniformTileConfigParam nonUniformTileConfigParams[] = {
+  { 64, 1, { 3 }, 1, { 3 } },          { 64, 2, { 1, 2 }, 2, { 1, 2 } },
+  { 64, 3, { 2, 3, 4 }, 2, { 2, 3 } }, { 128, 1, { 3 }, 1, { 3 } },
+  { 128, 2, { 1, 2 }, 2, { 1, 2 } },   { 128, 3, { 2, 3, 4 }, 2, { 2, 3 } },
+};
+
+// Find smallest k>=0 such that (blk_size << k) >= target
+static INLINE int tile_log2(int blk_size, int target) {
+  int k;
+  for (k = 0; (blk_size << k) < target; k++) {
+  }
+  return k;
+}
+
+// This class is used to validate tile configuration for uniform spacing.
+class UniformTileConfigTestLarge
+    : public ::libaom_test::CodecTestWith3Params<
+          libaom_test::TestMode, uniformTileConfigParam, aom_rc_mode>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  UniformTileConfigTestLarge()
+      : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
+        tile_config_param_(GET_PARAM(2)), end_usage_check_(GET_PARAM(3)) {
+    tile_config_violated_ = false;
+    max_tile_cols_log2_ = tile_log2(1, AOM_MAX_TILE_COLS);
+    max_tile_rows_log2_ = tile_log2(1, AOM_MAX_TILE_ROWS);
+  }
+  ~UniformTileConfigTestLarge() override = default;
+
+  void SetUp() override {
+    InitializeConfig(encoding_mode_);
+    const aom_rational timebase = { 1, 30 };
+    cfg_.g_timebase = timebase;
+    cfg_.rc_end_usage = end_usage_check_;
+    cfg_.g_threads = 1;
+    cfg_.g_lag_in_frames = 19;
+  }
+
+  bool DoDecode() const override { return true; }
+
+  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                          ::libaom_test::Encoder *encoder) override {
+    if (video->frame() == 0) {
+      encoder->Control(AV1E_SET_TILE_COLUMNS, tile_config_param_.tile_cols);
+      encoder->Control(AV1E_SET_TILE_ROWS, tile_config_param_.tile_rows);
+      encoder->Control(AOME_SET_CPUUSED, 5);
+      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
+      encoder->Control(AV1E_SET_SUPERBLOCK_SIZE,
+                       tile_config_param_.sb_size == 64
+                           ? AOM_SUPERBLOCK_SIZE_64X64
+                           : AOM_SUPERBLOCK_SIZE_128X128);
+    }
+  }
+
+  bool HandleDecodeResult(const aom_codec_err_t res_dec,
+                          libaom_test::Decoder *decoder) override {
+    EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError();
+    if (AOM_CODEC_OK == res_dec) {
+      aom_codec_ctx_t *ctx_dec = decoder->GetDecoder();
+      aom_tile_info tile_info;
+      int config_tile_columns = AOMMIN(1 << (int)tile_config_param_.tile_cols,
+                                       1 << max_tile_cols_log2_);
+      int config_tile_rows = AOMMIN(1 << (int)tile_config_param_.tile_rows,
+                                    1 << max_tile_rows_log2_);
+
+      AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_TILE_INFO, &tile_info);
+      if (tile_info.tile_columns != config_tile_columns ||
+          tile_info.tile_rows != config_tile_rows) {
+        tile_config_violated_ = true;
+      }
+    }
+    return AOM_CODEC_OK == res_dec;
+  }
+
+  ::libaom_test::TestMode encoding_mode_;
+  const uniformTileConfigParam tile_config_param_;
+  int max_tile_cols_log2_;
+  int max_tile_rows_log2_;
+  bool tile_config_violated_;
+  aom_rc_mode end_usage_check_;
+};
+
+// This class is used to validate tile configuration for non uniform spacing.
+class NonUniformTileConfigTestLarge
+    : public ::libaom_test::CodecTestWith3Params<
+          libaom_test::TestMode, nonUniformTileConfigParam, aom_rc_mode>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  NonUniformTileConfigTestLarge()
+      : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
+        tile_config_param_(GET_PARAM(2)), rc_end_usage_(GET_PARAM(3)) {
+    tile_config_violated_ = false;
+  }
+  ~NonUniformTileConfigTestLarge() override = default;
+
+  void SetUp() override {
+    InitializeConfig(encoding_mode_);
+    const aom_rational timebase = { 1, 30 };
+    cfg_.g_timebase = timebase;
+    cfg_.rc_end_usage = rc_end_usage_;
+    cfg_.g_threads = 1;
+    cfg_.g_lag_in_frames = 35;
+    cfg_.rc_target_bitrate = 1000;
+    cfg_.tile_width_count = tile_config_param_.tile_width_count;
+    memcpy(cfg_.tile_widths, tile_config_param_.tile_widths,
+           sizeof(tile_config_param_.tile_widths[0]) *
+               tile_config_param_.tile_width_count);
+    cfg_.tile_height_count = tile_config_param_.tile_height_count;
+    memcpy(cfg_.tile_heights, tile_config_param_.tile_heights,
+           sizeof(tile_config_param_.tile_heights[0]) *
+               tile_config_param_.tile_height_count);
+  }
+
+  bool DoDecode() const override { return true; }
+
+  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                          ::libaom_test::Encoder *encoder) override {
+    if (video->frame() == 0) {
+      encoder->Control(AOME_SET_CPUUSED, 5);
+      encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
+      encoder->Control(AV1E_SET_SUPERBLOCK_SIZE,
+                       tile_config_param_.sb_size == 64
+                           ? AOM_SUPERBLOCK_SIZE_64X64
+                           : AOM_SUPERBLOCK_SIZE_128X128);
+    }
+  }
+
+  bool HandleDecodeResult(const aom_codec_err_t res_dec,
+                          libaom_test::Decoder *decoder) override {
+    EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError();
+    if (AOM_CODEC_OK == res_dec) {
+      aom_codec_ctx_t *ctx_dec = decoder->GetDecoder();
+      aom_tile_info tile_info;
+      AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_TILE_INFO, &tile_info);
+
+      // check validity of tile cols
+      int tile_col_idx, tile_col = 0;
+      for (tile_col_idx = 0; tile_col_idx < tile_info.tile_columns - 1;
+           tile_col_idx++) {
+        if (tile_config_param_.tile_widths[tile_col] !=
+            tile_info.tile_widths[tile_col_idx])
+          tile_config_violated_ = true;
+        tile_col = (tile_col + 1) % (int)tile_config_param_.tile_width_count;
+      }
+      // last column may not be able to accommodate config, but if it is
+      // greater than what is configured, there is a violation.
+      if (tile_config_param_.tile_widths[tile_col] <
+          tile_info.tile_widths[tile_col_idx])
+        tile_config_violated_ = true;
+
+      // check validity of tile rows
+      int tile_row_idx, tile_row = 0;
+      for (tile_row_idx = 0; tile_row_idx < tile_info.tile_rows - 1;
+           tile_row_idx++) {
+        if (tile_config_param_.tile_heights[tile_row] !=
+            tile_info.tile_heights[tile_row_idx])
+          tile_config_violated_ = true;
+        tile_row = (tile_row + 1) % (int)tile_config_param_.tile_height_count;
+      }
+      // last row may not be able to accommodate config, but if it is
+      // greater than what is configured, there is a violation.
+      if (tile_config_param_.tile_heights[tile_row] <
+          tile_info.tile_heights[tile_row_idx])
+        tile_config_violated_ = true;
+    }
+    return AOM_CODEC_OK == res_dec;
+  }
+
+  ::libaom_test::TestMode encoding_mode_;
+  const nonUniformTileConfigParam tile_config_param_;
+  bool tile_config_violated_;
+  aom_rc_mode rc_end_usage_;
+};
+
+TEST_P(UniformTileConfigTestLarge, UniformTileConfigTest) {
+  ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 1);
+  ASSERT_NO_FATAL_FAILURE(video.Begin());
+
+  int max_tiles_cols = video.img()->w / (int)tile_config_param_.sb_size;
+  int max_tiles_rows = video.img()->h / (int)tile_config_param_.sb_size;
+  max_tile_cols_log2_ = tile_log2(1, AOMMIN(max_tiles_cols, AOM_MAX_TILE_COLS));
+  max_tile_rows_log2_ = tile_log2(1, AOMMIN(max_tiles_rows, AOM_MAX_TILE_ROWS));
+
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  ASSERT_EQ(tile_config_violated_, false);
+}
+
+TEST_P(UniformTileConfigTestLarge, UniformTileConfigTestLowRes) {
+  ::libaom_test::Y4mVideoSource video("screendata.y4m", 0, 1);
+  ASSERT_NO_FATAL_FAILURE(video.Begin());
+
+  int max_tiles_cols = video.img()->w / (int)tile_config_param_.sb_size;
+  int max_tiles_rows = video.img()->h / (int)tile_config_param_.sb_size;
+  max_tile_cols_log2_ = tile_log2(1, AOMMIN(max_tiles_cols, AOM_MAX_TILE_COLS));
+  max_tile_rows_log2_ = tile_log2(1, AOMMIN(max_tiles_rows, AOM_MAX_TILE_ROWS));
+
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  ASSERT_EQ(tile_config_violated_, false);
+}
+
+TEST_P(NonUniformTileConfigTestLarge, NonUniformTileConfigTest) {
+  ::libaom_test::Y4mVideoSource video("niklas_1280_720_30.y4m", 0, 1);
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+  ASSERT_EQ(tile_config_violated_, false);
+}
+
+AV1_INSTANTIATE_TEST_SUITE(UniformTileConfigTestLarge,
+                           ::testing::ValuesIn(kTestModeParams),
+                           ::testing::ValuesIn(uniformTileConfigParams),
+                           ::testing::Values(AOM_Q, AOM_VBR, AOM_CBR, AOM_CQ));
+
+AV1_INSTANTIATE_TEST_SUITE(NonUniformTileConfigTestLarge,
+                           ::testing::ValuesIn(kTestModeParams),
+                           ::testing::ValuesIn(nonUniformTileConfigParams),
+                           ::testing::Values(AOM_Q, AOM_VBR, AOM_CBR, AOM_CQ));
+
+typedef struct {
+  // Number of tile groups to set.
+  const int num_tg;
+  // Number of tile rows to set
+  const int num_tile_rows;
+  // Number of tile columns to set
+  const int num_tile_cols;
+} TileGroupConfigParams;
+
+static const TileGroupConfigParams tileGroupTestParams[] = {
+  { 5, 4, 4 }, { 3, 3, 3 }, { 5, 3, 3 }, { 7, 5, 5 }, { 7, 3, 3 }, { 7, 4, 4 }
+};
+
+std::ostream &operator<<(std::ostream &os,
+                         const TileGroupConfigParams &test_arg) {
+  return os << "TileGroupConfigParams { num_tg:" << test_arg.num_tg
+            << " num_tile_rows:" << test_arg.num_tile_rows
+            << " num_tile_cols:" << test_arg.num_tile_cols << " }";
+}
+
+// This class is used to test number of tile groups present in header.
+class TileGroupTestLarge
+    : public ::libaom_test::CodecTestWith2Params<libaom_test::TestMode,
+                                                 TileGroupConfigParams>,
+      public ::libaom_test::EncoderTest {
+ protected:
+  TileGroupTestLarge()
+      : EncoderTest(GET_PARAM(0)), encoding_mode_(GET_PARAM(1)),
+        tile_group_config_params_(GET_PARAM(2)) {
+    tile_group_config_violated_ = false;
+  }
+  ~TileGroupTestLarge() override = default;
+
+  void SetUp() override {
+    InitializeConfig(encoding_mode_);
+    const aom_rational timebase = { 1, 30 };
+    cfg_.g_timebase = timebase;
+    cfg_.rc_end_usage = AOM_Q;
+    cfg_.g_threads = 1;
+  }
+
+  bool DoDecode() const override { return true; }
+
+  void PreEncodeFrameHook(::libaom_test::VideoSource *video,
+                          ::libaom_test::Encoder *encoder) override {
+    if (video->frame() == 0) {
+      encoder->Control(AOME_SET_CPUUSED, 5);
+      encoder->Control(AV1E_SET_NUM_TG, tile_group_config_params_.num_tg);
+      encoder->Control(AV1E_SET_TILE_COLUMNS,
+                       tile_group_config_params_.num_tile_cols);
+      encoder->Control(AV1E_SET_TILE_ROWS,
+                       tile_group_config_params_.num_tile_rows);
+    }
+  }
+
+  bool HandleDecodeResult(const aom_codec_err_t res_dec,
+                          libaom_test::Decoder *decoder) override {
+    EXPECT_EQ(AOM_CODEC_OK, res_dec) << decoder->DecodeError();
+    if (AOM_CODEC_OK == res_dec) {
+      aom_tile_info tile_info;
+      aom_codec_ctx_t *ctx_dec = decoder->GetDecoder();
+      AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_TILE_INFO, &tile_info);
+      AOM_CODEC_CONTROL_TYPECHECKED(ctx_dec, AOMD_GET_SHOW_EXISTING_FRAME_FLAG,
+                                    &show_existing_frame_);
+      if (tile_info.num_tile_groups != tile_group_config_params_.num_tg &&
+          !show_existing_frame_)
+        tile_group_config_violated_ = true;
+      EXPECT_EQ(tile_group_config_violated_, false);
+    }
+    return AOM_CODEC_OK == res_dec;
+  }
+
+  int show_existing_frame_;
+  bool tile_group_config_violated_;
+  aom_rc_mode end_usage_check_;
+  ::libaom_test::TestMode encoding_mode_;
+  const TileGroupConfigParams tile_group_config_params_;
+};
+
+TEST_P(TileGroupTestLarge, TileGroupCountTest) {
+  libaom_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480,
+                                     cfg_.g_timebase.den, cfg_.g_timebase.num,
+                                     0, 5);
+  ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+}
+
+AV1_INSTANTIATE_TEST_SUITE(TileGroupTestLarge,
+                           ::testing::ValuesIn(kTestModeParams),
+                           ::testing::ValuesIn(tileGroupTestParams));
+}  // namespace