Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 189 insertions, 0 deletions

diff --git a/third_party/libwebrtc/video/alignment_adjuster_unittest.cc b/third_party/libwebrtc/video/alignment_adjuster_unittest.cc
new file mode 100644
index 0000000000..28e4bc0550
--- /dev/null
+++ b/third_party/libwebrtc/video/alignment_adjuster_unittest.cc
@@ -0,0 +1,189 @@
+/*
+ *  Copyright (c) 2020 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include "video/alignment_adjuster.h"
+
+#include <memory>
+#include <tuple>
+#include <vector>
+
+#include "rtc_base/numerics/safe_conversions.h"
+#include "test/encoder_settings.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+namespace test {
+namespace {
+VideoEncoder::EncoderInfo GetEncoderInfo(int alignment, bool apply) {
+  VideoEncoder::EncoderInfo info;
+  info.requested_resolution_alignment = alignment;
+  info.apply_alignment_to_all_simulcast_layers = apply;
+  return info;
+}
+}  // namespace
+
+class AlignmentAdjusterTest
+    : public ::testing::TestWithParam<::testing::tuple<
+          int,
+          std::tuple<std::vector<double>, std::vector<double>, int>>> {
+ protected:
+  AlignmentAdjusterTest()
+      : kRequestedAlignment(std::get<0>(GetParam())),
+        kScaleFactors(std::get<0>(std::get<1>(GetParam()))),
+        kAdjustedScaleFactors(std::get<1>(std::get<1>(GetParam()))),
+        kAdjustedAlignment(std::get<2>(std::get<1>(GetParam()))) {}
+
+  const int kRequestedAlignment;
+  const std::vector<double> kScaleFactors;
+  const std::vector<double> kAdjustedScaleFactors;
+  const int kAdjustedAlignment;
+};
+
+INSTANTIATE_TEST_SUITE_P(
+    ScaleFactorsAndAlignment,
+    AlignmentAdjusterTest,
+    ::testing::Combine(
+        ::testing::Values(2),  // kRequestedAlignment
+        ::testing::Values(
+            std::make_tuple(std::vector<double>{-1.0},  // kScaleFactors
+                            std::vector<double>{-1.0},  // kAdjustedScaleFactors
+                            2),  // default: {1.0}      // kAdjustedAlignment
+            std::make_tuple(std::vector<double>{-1.0, -1.0},
+                            std::vector<double>{-1.0, -1.0},
+                            4),  // default: {1.0, 2.0}
+            std::make_tuple(std::vector<double>{-1.0, -1.0, -1.0},
+                            std::vector<double>{-1.0, -1.0, -1.0},
+                            8),  // default: {1.0, 2.0, 4.0}
+            std::make_tuple(std::vector<double>{1.0, 2.0, 4.0},
+                            std::vector<double>{1.0, 2.0, 4.0},
+                            8),
+            std::make_tuple(std::vector<double>{9999.0, -1.0, 1.0},
+                            std::vector<double>{8.0, 1.0, 1.0},
+                            16),  // kMaxAlignment
+            std::make_tuple(std::vector<double>{3.99, 2.01, 1.0},
+                            std::vector<double>{4.0, 2.0, 1.0},
+                            8),
+            std::make_tuple(std::vector<double>{2.9, 2.1},
+                            std::vector<double>{6.0 / 2.0, 6.0 / 3.0},
+                            12),
+            std::make_tuple(std::vector<double>{4.9, 1.7, 1.2},
+                            std::vector<double>{5.0, 5.0 / 3.0, 5.0 / 4.0},
+                            10),
+            std::make_tuple(std::vector<double>{1.0, 1.3},
+                            std::vector<double>{4.0 / 4.0, 4.0 / 3.0},
+                            8),
+            std::make_tuple(std::vector<double>{1.75, 3.5},
+                            std::vector<double>{7.0 / 4.0, 7.0 / 2.0},
+                            7),
+            std::make_tuple(std::vector<double>{1.5, 2.5},
+                            std::vector<double>{1.5, 2.5},
+                            15))));
+
+class AlignmentAdjusterTestTwoLayers : public AlignmentAdjusterTest {
+ protected:
+  const int kMaxLayers = 2;
+};
+
+INSTANTIATE_TEST_SUITE_P(
+    ScaleFactorsAndAlignmentWithMaxLayers,
+    AlignmentAdjusterTestTwoLayers,
+    ::testing::Combine(
+        ::testing::Values(2),  // kRequestedAlignment
+        ::testing::Values(
+            std::make_tuple(std::vector<double>{-1.0},  // kScaleFactors
+                            std::vector<double>{-1.0},  // kAdjustedScaleFactors
+                            2),  // default: {1.0}      // kAdjustedAlignment
+            std::make_tuple(std::vector<double>{-1.0, -1.0},
+                            std::vector<double>{-1.0, -1.0},
+                            4),  // default: {1.0, 2.0}
+            std::make_tuple(std::vector<double>{-1.0, -1.0, -1.0},
+                            std::vector<double>{-1.0, -1.0, -1.0},
+                            4),  // default: {1.0, 2.0, 4.0}
+            std::make_tuple(std::vector<double>{1.0, 2.0, 4.0},
+                            std::vector<double>{1.0, 2.0, 4.0},
+                            8))));
+
+TEST_P(AlignmentAdjusterTest, AlignmentAppliedToAllLayers) {
+  const bool kApplyAlignmentToAllLayers = true;
+
+  // Fill config with the scaling factor by which to reduce encoding size.
+  const int num_streams = kScaleFactors.size();
+  VideoEncoderConfig config;
+  test::FillEncoderConfiguration(kVideoCodecVP8, num_streams, &config);
+  for (int i = 0; i < num_streams; ++i) {
+    config.simulcast_layers[i].scale_resolution_down_by = kScaleFactors[i];
+  }
+
+  // Verify requested alignment from sink.
+  VideoEncoder::EncoderInfo info =
+      GetEncoderInfo(kRequestedAlignment, kApplyAlignmentToAllLayers);
+  int alignment = AlignmentAdjuster::GetAlignmentAndMaybeAdjustScaleFactors(
+      info, &config, absl::nullopt);
+  EXPECT_EQ(alignment, kAdjustedAlignment);
+
+  // Verify adjusted scale factors.
+  for (int i = 0; i < num_streams; ++i) {
+    EXPECT_EQ(config.simulcast_layers[i].scale_resolution_down_by,
+              kAdjustedScaleFactors[i]);
+  }
+}
+
+TEST_P(AlignmentAdjusterTest, AlignmentNotAppliedToAllLayers) {
+  const bool kApplyAlignmentToAllLayers = false;
+
+  // Fill config with the scaling factor by which to reduce encoding size.
+  const int num_streams = kScaleFactors.size();
+  VideoEncoderConfig config;
+  test::FillEncoderConfiguration(kVideoCodecVP8, num_streams, &config);
+  for (int i = 0; i < num_streams; ++i) {
+    config.simulcast_layers[i].scale_resolution_down_by = kScaleFactors[i];
+  }
+
+  // Verify requested alignment from sink, alignment is not adjusted.
+  VideoEncoder::EncoderInfo info =
+      GetEncoderInfo(kRequestedAlignment, kApplyAlignmentToAllLayers);
+  int alignment = AlignmentAdjuster::GetAlignmentAndMaybeAdjustScaleFactors(
+      info, &config, absl::nullopt);
+  EXPECT_EQ(alignment, kRequestedAlignment);
+
+  // Verify that scale factors are not adjusted.
+  for (int i = 0; i < num_streams; ++i) {
+    EXPECT_EQ(config.simulcast_layers[i].scale_resolution_down_by,
+              kScaleFactors[i]);
+  }
+}
+
+TEST_P(AlignmentAdjusterTestTwoLayers, AlignmentAppliedToAllLayers) {
+  const bool kApplyAlignmentToAllLayers = true;
+
+  // Fill config with the scaling factor by which to reduce encoding size.
+  const int num_streams = kScaleFactors.size();
+  VideoEncoderConfig config;
+  test::FillEncoderConfiguration(kVideoCodecVP8, num_streams, &config);
+  for (int i = 0; i < num_streams; ++i) {
+    config.simulcast_layers[i].scale_resolution_down_by = kScaleFactors[i];
+  }
+
+  // Verify requested alignment from sink, alignment is not adjusted.
+  VideoEncoder::EncoderInfo info =
+      GetEncoderInfo(kRequestedAlignment, kApplyAlignmentToAllLayers);
+  int alignment = AlignmentAdjuster::GetAlignmentAndMaybeAdjustScaleFactors(
+      info, &config, absl::optional<size_t>(kMaxLayers));
+  EXPECT_EQ(alignment, kAdjustedAlignment);
+
+  // Verify adjusted scale factors.
+  for (int i = 0; i < num_streams; ++i) {
+    EXPECT_EQ(config.simulcast_layers[i].scale_resolution_down_by,
+              kAdjustedScaleFactors[i]);
+  }
+}
+
+}  // namespace test
+}  // namespace webrtc