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diff --git a/third_party/libwebrtc/common_video/video_frame_unittest.cc b/third_party/libwebrtc/common_video/video_frame_unittest.cc
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+++ b/third_party/libwebrtc/common_video/video_frame_unittest.cc
@@ -0,0 +1,607 @@
+/*
+ * Copyright (c) 2018 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 "api/video/video_frame.h"
+
+#include <math.h>
+#include <string.h>
+
+#include "api/video/i010_buffer.h"
+#include "api/video/i210_buffer.h"
+#include "api/video/i420_buffer.h"
+#include "api/video/i422_buffer.h"
+#include "api/video/i444_buffer.h"
+#include "api/video/nv12_buffer.h"
+#include "rtc_base/time_utils.h"
+#include "test/fake_texture_frame.h"
+#include "test/frame_utils.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+
+namespace {
+
+struct SubSampling {
+ int x;
+ int y;
+};
+
+SubSampling SubSamplingForType(VideoFrameBuffer::Type type) {
+ switch (type) {
+ case VideoFrameBuffer::Type::kI420:
+ return {.x = 2, .y = 2};
+ case VideoFrameBuffer::Type::kI420A:
+ return {.x = 2, .y = 2};
+ case VideoFrameBuffer::Type::kI422:
+ return {.x = 2, .y = 1};
+ case VideoFrameBuffer::Type::kI444:
+ return {.x = 1, .y = 1};
+ case VideoFrameBuffer::Type::kI010:
+ return {.x = 2, .y = 2};
+ case VideoFrameBuffer::Type::kI210:
+ return {.x = 2, .y = 1};
+ default:
+ return {};
+ }
+}
+
+// Helper function to create a buffer and fill it with a gradient for
+// PlanarYuvBuffer based buffers.
+template <class T>
+rtc::scoped_refptr<T> CreateGradient(int width, int height) {
+ rtc::scoped_refptr<T> buffer(T::Create(width, height));
+ // Initialize with gradient, Y = 128(x/w + y/h), U = 256 x/w, V = 256 y/h
+ for (int x = 0; x < width; x++) {
+ for (int y = 0; y < height; y++) {
+ buffer->MutableDataY()[x + y * width] =
+ 128 * (x * height + y * width) / (width * height);
+ }
+ }
+ int chroma_width = buffer->ChromaWidth();
+ int chroma_height = buffer->ChromaHeight();
+ for (int x = 0; x < chroma_width; x++) {
+ for (int y = 0; y < chroma_height; y++) {
+ buffer->MutableDataU()[x + y * chroma_width] =
+ 255 * x / (chroma_width - 1);
+ buffer->MutableDataV()[x + y * chroma_width] =
+ 255 * y / (chroma_height - 1);
+ }
+ }
+ return buffer;
+}
+
+// Helper function to create a buffer and fill it with a gradient.
+rtc::scoped_refptr<NV12BufferInterface> CreateNV12Gradient(int width,
+ int height) {
+ rtc::scoped_refptr<NV12Buffer> buffer(NV12Buffer::Create(width, height));
+ // Initialize with gradient, Y = 128(x/w + y/h), U = 256 x/w, V = 256 y/h
+ for (int x = 0; x < width; x++) {
+ for (int y = 0; y < height; y++) {
+ buffer->MutableDataY()[x + y * width] =
+ 128 * (x * height + y * width) / (width * height);
+ }
+ }
+ int chroma_width = buffer->ChromaWidth();
+ int chroma_height = buffer->ChromaHeight();
+ for (int x = 0; x < chroma_width; x++) {
+ for (int y = 0; y < chroma_height; y++) {
+ buffer->MutableDataUV()[x * 2 + y * buffer->StrideUV()] =
+ 255 * x / (chroma_width - 1);
+ buffer->MutableDataUV()[x * 2 + 1 + y * buffer->StrideUV()] =
+ 255 * y / (chroma_height - 1);
+ }
+ }
+ return buffer;
+}
+
+// The offsets and sizes describe the rectangle extracted from the
+// original (gradient) frame, in relative coordinates where the
+// original frame correspond to the unit square, 0.0 <= x, y < 1.0.
+template <class T>
+void CheckCrop(const T& frame,
+ double offset_x,
+ double offset_y,
+ double rel_width,
+ double rel_height) {
+ int width = frame.width();
+ int height = frame.height();
+
+ SubSampling plane_divider = SubSamplingForType(frame.type());
+
+ // Check that pixel values in the corners match the gradient used
+ // for initialization.
+ for (int i = 0; i < 2; i++) {
+ for (int j = 0; j < 2; j++) {
+ // Pixel coordinates of the corner.
+ int x = i * (width - 1);
+ int y = j * (height - 1);
+ // Relative coordinates, range 0.0 - 1.0 correspond to the
+ // size of the uncropped input frame.
+ double orig_x = offset_x + i * rel_width;
+ double orig_y = offset_y + j * rel_height;
+
+ EXPECT_NEAR(frame.DataY()[x + y * frame.StrideY()] / 256.0,
+ (orig_x + orig_y) / 2, 0.02);
+ EXPECT_NEAR(frame.DataU()[x / plane_divider.x +
+ (y / plane_divider.y) * frame.StrideU()] /
+ 256.0,
+ orig_x, 0.02);
+ EXPECT_NEAR(frame.DataV()[x / plane_divider.x +
+ (y / plane_divider.y) * frame.StrideV()] /
+ 256.0,
+ orig_y, 0.02);
+ }
+ }
+}
+
+template <class T>
+void CheckRotate(int width,
+ int height,
+ webrtc::VideoRotation rotation,
+ const T& rotated) {
+ int rotated_width = width;
+ int rotated_height = height;
+
+ if (rotation == kVideoRotation_90 || rotation == kVideoRotation_270) {
+ std::swap(rotated_width, rotated_height);
+ }
+ EXPECT_EQ(rotated_width, rotated.width());
+ EXPECT_EQ(rotated_height, rotated.height());
+
+ // Clock-wise order (with 0,0 at top-left)
+ const struct {
+ int x;
+ int y;
+ } corners[] = {{0, 0}, {1, 0}, {1, 1}, {0, 1}};
+ // Corresponding corner colors of the frame produced by CreateGradient.
+ const struct {
+ int y;
+ int u;
+ int v;
+ } colors[] = {{0, 0, 0}, {127, 255, 0}, {255, 255, 255}, {127, 0, 255}};
+ int corner_offset = static_cast<int>(rotation) / 90;
+
+ SubSampling plane_divider = SubSamplingForType(rotated.type());
+
+ for (int i = 0; i < 4; i++) {
+ int j = (i + corner_offset) % 4;
+ int x = corners[j].x * (rotated_width - 1);
+ int y = corners[j].y * (rotated_height - 1);
+ EXPECT_EQ(colors[i].y, rotated.DataY()[x + y * rotated.StrideY()]);
+ if (rotated.type() == VideoFrameBuffer::Type::kI422 ||
+ rotated.type() == VideoFrameBuffer::Type::kI210) {
+ EXPECT_NEAR(colors[i].u,
+ rotated.DataU()[(x / plane_divider.x) +
+ (y / plane_divider.y) * rotated.StrideU()],
+ 1);
+ EXPECT_NEAR(colors[i].v,
+ rotated.DataV()[(x / plane_divider.x) +
+ (y / plane_divider.y) * rotated.StrideV()],
+ 1);
+ } else {
+ EXPECT_EQ(colors[i].u,
+ rotated.DataU()[(x / plane_divider.x) +
+ (y / plane_divider.y) * rotated.StrideU()]);
+ EXPECT_EQ(colors[i].v,
+ rotated.DataV()[(x / plane_divider.x) +
+ (y / plane_divider.y) * rotated.StrideV()]);
+ }
+ }
+}
+
+} // namespace
+
+TEST(TestVideoFrame, WidthHeightValues) {
+ VideoFrame frame =
+ VideoFrame::Builder()
+ .set_video_frame_buffer(I420Buffer::Create(10, 10, 10, 14, 90))
+ .set_rotation(webrtc::kVideoRotation_0)
+ .set_timestamp_ms(789)
+ .build();
+ const int valid_value = 10;
+ EXPECT_EQ(valid_value, frame.width());
+ EXPECT_EQ(valid_value, frame.height());
+ frame.set_timestamp(123u);
+ EXPECT_EQ(123u, frame.timestamp());
+ frame.set_ntp_time_ms(456);
+ EXPECT_EQ(456, frame.ntp_time_ms());
+ EXPECT_EQ(789, frame.render_time_ms());
+}
+
+TEST(TestVideoFrame, ShallowCopy) {
+ uint32_t timestamp = 1;
+ int64_t ntp_time_ms = 2;
+ int64_t timestamp_us = 3;
+ int stride_y = 15;
+ int stride_u = 10;
+ int stride_v = 10;
+ int width = 15;
+ int height = 15;
+
+ const int kSizeY = 400;
+ const int kSizeU = 100;
+ const int kSizeV = 100;
+ const VideoRotation kRotation = kVideoRotation_270;
+ uint8_t buffer_y[kSizeY];
+ uint8_t buffer_u[kSizeU];
+ uint8_t buffer_v[kSizeV];
+ memset(buffer_y, 16, kSizeY);
+ memset(buffer_u, 8, kSizeU);
+ memset(buffer_v, 4, kSizeV);
+
+ VideoFrame frame1 = VideoFrame::Builder()
+ .set_video_frame_buffer(I420Buffer::Copy(
+ width, height, buffer_y, stride_y, buffer_u,
+ stride_u, buffer_v, stride_v))
+ .set_rotation(kRotation)
+ .set_timestamp_us(0)
+ .build();
+ frame1.set_timestamp(timestamp);
+ frame1.set_ntp_time_ms(ntp_time_ms);
+ frame1.set_timestamp_us(timestamp_us);
+ VideoFrame frame2(frame1);
+
+ EXPECT_EQ(frame1.video_frame_buffer(), frame2.video_frame_buffer());
+ const webrtc::I420BufferInterface* yuv1 =
+ frame1.video_frame_buffer()->GetI420();
+ const webrtc::I420BufferInterface* yuv2 =
+ frame2.video_frame_buffer()->GetI420();
+ EXPECT_EQ(yuv1->DataY(), yuv2->DataY());
+ EXPECT_EQ(yuv1->DataU(), yuv2->DataU());
+ EXPECT_EQ(yuv1->DataV(), yuv2->DataV());
+
+ EXPECT_EQ(frame2.timestamp(), frame1.timestamp());
+ EXPECT_EQ(frame2.ntp_time_ms(), frame1.ntp_time_ms());
+ EXPECT_EQ(frame2.timestamp_us(), frame1.timestamp_us());
+ EXPECT_EQ(frame2.rotation(), frame1.rotation());
+
+ frame2.set_timestamp(timestamp + 1);
+ frame2.set_ntp_time_ms(ntp_time_ms + 1);
+ frame2.set_timestamp_us(timestamp_us + 1);
+ frame2.set_rotation(kVideoRotation_90);
+
+ EXPECT_NE(frame2.timestamp(), frame1.timestamp());
+ EXPECT_NE(frame2.ntp_time_ms(), frame1.ntp_time_ms());
+ EXPECT_NE(frame2.timestamp_us(), frame1.timestamp_us());
+ EXPECT_NE(frame2.rotation(), frame1.rotation());
+}
+
+TEST(TestVideoFrame, TextureInitialValues) {
+ VideoFrame frame = test::FakeNativeBuffer::CreateFrame(
+ 640, 480, 100, 10, webrtc::kVideoRotation_0);
+ EXPECT_EQ(640, frame.width());
+ EXPECT_EQ(480, frame.height());
+ EXPECT_EQ(100u, frame.timestamp());
+ EXPECT_EQ(10, frame.render_time_ms());
+ ASSERT_TRUE(frame.video_frame_buffer() != nullptr);
+ EXPECT_TRUE(frame.video_frame_buffer()->type() ==
+ VideoFrameBuffer::Type::kNative);
+
+ frame.set_timestamp(200);
+ EXPECT_EQ(200u, frame.timestamp());
+ frame.set_timestamp_us(20);
+ EXPECT_EQ(20, frame.timestamp_us());
+}
+
+template <typename T>
+class TestPlanarYuvBuffer : public ::testing::Test {};
+TYPED_TEST_SUITE_P(TestPlanarYuvBuffer);
+
+template <class T>
+rtc::scoped_refptr<T> CreateAndFillBuffer() {
+ auto buf = T::Create(20, 10);
+ memset(buf->MutableDataY(), 1, 200);
+
+ if (buf->type() == VideoFrameBuffer::Type::kI444) {
+ memset(buf->MutableDataU(), 2, 200);
+ memset(buf->MutableDataV(), 3, 200);
+ } else if (buf->type() == VideoFrameBuffer::Type::kI422 ||
+ buf->type() == VideoFrameBuffer::Type::kI210) {
+ memset(buf->MutableDataU(), 2, 100);
+ memset(buf->MutableDataV(), 3, 100);
+ } else {
+ memset(buf->MutableDataU(), 2, 50);
+ memset(buf->MutableDataV(), 3, 50);
+ }
+
+ return buf;
+}
+
+TYPED_TEST_P(TestPlanarYuvBuffer, Copy) {
+ rtc::scoped_refptr<TypeParam> buf1 = CreateAndFillBuffer<TypeParam>();
+ rtc::scoped_refptr<TypeParam> buf2 = TypeParam::Copy(*buf1);
+ EXPECT_TRUE(test::FrameBufsEqual(buf1, buf2));
+}
+
+TYPED_TEST_P(TestPlanarYuvBuffer, CropXCenter) {
+ rtc::scoped_refptr<TypeParam> buf = CreateGradient<TypeParam>(200, 100);
+
+ // Pure center cropping, no scaling.
+ rtc::scoped_refptr<TypeParam> scaled_buffer = TypeParam::Create(100, 100);
+ scaled_buffer->CropAndScaleFrom(*buf, 50, 0, 100, 100);
+ CheckCrop<TypeParam>(*scaled_buffer, 0.25, 0.0, 0.5, 1.0);
+}
+
+TYPED_TEST_P(TestPlanarYuvBuffer, CropXNotCenter) {
+ rtc::scoped_refptr<TypeParam> buf = CreateGradient<TypeParam>(200, 100);
+
+ // Non-center cropping, no scaling.
+ rtc::scoped_refptr<TypeParam> scaled_buffer = TypeParam::Create(100, 100);
+ scaled_buffer->CropAndScaleFrom(*buf, 25, 0, 100, 100);
+ CheckCrop<TypeParam>(*scaled_buffer, 0.125, 0.0, 0.5, 1.0);
+}
+
+TYPED_TEST_P(TestPlanarYuvBuffer, CropYCenter) {
+ rtc::scoped_refptr<TypeParam> buf = CreateGradient<TypeParam>(100, 200);
+
+ // Pure center cropping, no scaling.
+ rtc::scoped_refptr<TypeParam> scaled_buffer = TypeParam::Create(100, 100);
+ scaled_buffer->CropAndScaleFrom(*buf, 0, 50, 100, 100);
+ CheckCrop<TypeParam>(*scaled_buffer, 0.0, 0.25, 1.0, 0.5);
+}
+
+TYPED_TEST_P(TestPlanarYuvBuffer, CropYNotCenter) {
+ rtc::scoped_refptr<TypeParam> buf = CreateGradient<TypeParam>(100, 200);
+
+ // Pure center cropping, no scaling.
+ rtc::scoped_refptr<TypeParam> scaled_buffer = TypeParam::Create(100, 100);
+ scaled_buffer->CropAndScaleFrom(*buf, 0, 25, 100, 100);
+ CheckCrop<TypeParam>(*scaled_buffer, 0.0, 0.125, 1.0, 0.5);
+}
+
+TYPED_TEST_P(TestPlanarYuvBuffer, CropAndScale16x9) {
+ const int buffer_width = 640;
+ const int buffer_height = 480;
+ const int crop_width = 320;
+ const int crop_height = 180;
+ rtc::scoped_refptr<TypeParam> buf = CreateGradient<TypeParam>(640, 480);
+
+ // Pure center cropping, no scaling.
+ const int out_width =
+ std::min(buffer_width, crop_width * buffer_height / crop_height);
+ const int out_height =
+ std::min(buffer_height, crop_height * buffer_width / crop_width);
+ rtc::scoped_refptr<TypeParam> scaled_buffer =
+ TypeParam::Create(out_width, out_height);
+ scaled_buffer->CropAndScaleFrom(*buf, (buffer_width - out_width) / 2,
+ (buffer_height - out_height) / 2, out_width,
+ out_height);
+ CheckCrop<TypeParam>(*scaled_buffer, 0.0, 0.125, 1.0, 0.75);
+}
+
+REGISTER_TYPED_TEST_SUITE_P(TestPlanarYuvBuffer,
+ Copy,
+ CropXCenter,
+ CropXNotCenter,
+ CropYCenter,
+ CropYNotCenter,
+ CropAndScale16x9);
+
+using TestTypesAll = ::testing::
+ Types<I420Buffer, I010Buffer, I444Buffer, I422Buffer, I210Buffer>;
+INSTANTIATE_TYPED_TEST_SUITE_P(All, TestPlanarYuvBuffer, TestTypesAll);
+
+template <class T>
+class TestPlanarYuvBufferScale : public ::testing::Test {};
+TYPED_TEST_SUITE_P(TestPlanarYuvBufferScale);
+
+TYPED_TEST_P(TestPlanarYuvBufferScale, Scale) {
+ rtc::scoped_refptr<TypeParam> buf = CreateGradient<TypeParam>(200, 100);
+
+ // Pure scaling, no cropping.
+ rtc::scoped_refptr<TypeParam> scaled_buffer = TypeParam::Create(150, 75);
+ scaled_buffer->ScaleFrom(*buf);
+ CheckCrop<TypeParam>(*scaled_buffer, 0.0, 0.0, 1.0, 1.0);
+}
+
+REGISTER_TYPED_TEST_SUITE_P(TestPlanarYuvBufferScale, Scale);
+
+using TestTypesScale = ::testing::Types<I420Buffer, I010Buffer, I210Buffer>;
+INSTANTIATE_TYPED_TEST_SUITE_P(All, TestPlanarYuvBufferScale, TestTypesScale);
+
+template <class T>
+class TestPlanarYuvBufferRotate : public ::testing::Test {
+ public:
+ std::vector<webrtc::VideoRotation> RotationParams = {
+ kVideoRotation_0, kVideoRotation_90, kVideoRotation_180,
+ kVideoRotation_270};
+};
+
+TYPED_TEST_SUITE_P(TestPlanarYuvBufferRotate);
+
+TYPED_TEST_P(TestPlanarYuvBufferRotate, Rotates) {
+ for (const webrtc::VideoRotation& rotation : this->RotationParams) {
+ rtc::scoped_refptr<TypeParam> buffer = CreateGradient<TypeParam>(640, 480);
+ rtc::scoped_refptr<TypeParam> rotated_buffer =
+ TypeParam::Rotate(*buffer, rotation);
+ CheckRotate(640, 480, rotation, *rotated_buffer);
+ }
+}
+
+REGISTER_TYPED_TEST_SUITE_P(TestPlanarYuvBufferRotate, Rotates);
+
+using TestTypesRotate = ::testing::
+ Types<I420Buffer, I010Buffer, I444Buffer, I422Buffer, I210Buffer>;
+INSTANTIATE_TYPED_TEST_SUITE_P(Rotate,
+ TestPlanarYuvBufferRotate,
+ TestTypesRotate);
+
+TEST(TestNV12Buffer, CropAndScale) {
+ const int kSourceWidth = 640;
+ const int kSourceHeight = 480;
+ const int kScaledWidth = 320;
+ const int kScaledHeight = 240;
+ const int kCropLeft = 40;
+ const int kCropTop = 30;
+ const int kCropRight = 0;
+ const int kCropBottom = 30;
+
+ rtc::scoped_refptr<VideoFrameBuffer> buf =
+ CreateNV12Gradient(kSourceWidth, kSourceHeight);
+
+ rtc::scoped_refptr<VideoFrameBuffer> scaled_buffer = buf->CropAndScale(
+ kCropLeft, kCropTop, kSourceWidth - kCropLeft - kCropRight,
+ kSourceHeight - kCropTop - kCropBottom, kScaledWidth, kScaledHeight);
+
+ // Parameters to CheckCrop indicate what part of the source frame is in the
+ // scaled frame.
+ const float kOffsetX = (kCropLeft + 0.0) / kSourceWidth;
+ const float kOffsetY = (kCropTop + 0.0) / kSourceHeight;
+ const float kRelativeWidth =
+ (kSourceWidth - kCropLeft - kCropRight + 0.0) / kSourceWidth;
+ const float kRelativeHeight =
+ (kSourceHeight - kCropTop - kCropBottom + 0.0) / kSourceHeight;
+ CheckCrop(*scaled_buffer->ToI420(), kOffsetX, kOffsetY, kRelativeWidth,
+ kRelativeHeight);
+}
+
+TEST(TestUpdateRect, CanCompare) {
+ VideoFrame::UpdateRect a = {0, 0, 100, 200};
+ VideoFrame::UpdateRect b = {0, 0, 100, 200};
+ VideoFrame::UpdateRect c = {1, 0, 100, 200};
+ VideoFrame::UpdateRect d = {0, 1, 100, 200};
+ EXPECT_TRUE(a == b);
+ EXPECT_FALSE(a == c);
+ EXPECT_FALSE(a == d);
+}
+
+TEST(TestUpdateRect, ComputesIsEmpty) {
+ VideoFrame::UpdateRect a = {0, 0, 0, 0};
+ VideoFrame::UpdateRect b = {0, 0, 100, 200};
+ VideoFrame::UpdateRect c = {1, 100, 0, 0};
+ VideoFrame::UpdateRect d = {1, 100, 100, 200};
+ EXPECT_TRUE(a.IsEmpty());
+ EXPECT_FALSE(b.IsEmpty());
+ EXPECT_TRUE(c.IsEmpty());
+ EXPECT_FALSE(d.IsEmpty());
+}
+
+TEST(TestUpdateRectUnion, NonIntersecting) {
+ VideoFrame::UpdateRect a = {0, 0, 10, 20};
+ VideoFrame::UpdateRect b = {100, 200, 10, 20};
+ a.Union(b);
+ EXPECT_EQ(a, VideoFrame::UpdateRect({0, 0, 110, 220}));
+}
+
+TEST(TestUpdateRectUnion, Intersecting) {
+ VideoFrame::UpdateRect a = {0, 0, 10, 10};
+ VideoFrame::UpdateRect b = {5, 5, 30, 20};
+ a.Union(b);
+ EXPECT_EQ(a, VideoFrame::UpdateRect({0, 0, 35, 25}));
+}
+
+TEST(TestUpdateRectUnion, OneInsideAnother) {
+ VideoFrame::UpdateRect a = {0, 0, 100, 100};
+ VideoFrame::UpdateRect b = {5, 5, 30, 20};
+ a.Union(b);
+ EXPECT_EQ(a, VideoFrame::UpdateRect({0, 0, 100, 100}));
+}
+
+TEST(TestUpdateRectIntersect, NonIntersecting) {
+ VideoFrame::UpdateRect a = {0, 0, 10, 20};
+ VideoFrame::UpdateRect b = {100, 200, 10, 20};
+ a.Intersect(b);
+ EXPECT_EQ(a, VideoFrame::UpdateRect({0, 0, 0, 0}));
+}
+
+TEST(TestUpdateRectIntersect, Intersecting) {
+ VideoFrame::UpdateRect a = {0, 0, 10, 10};
+ VideoFrame::UpdateRect b = {5, 5, 30, 20};
+ a.Intersect(b);
+ EXPECT_EQ(a, VideoFrame::UpdateRect({5, 5, 5, 5}));
+}
+
+TEST(TestUpdateRectIntersect, OneInsideAnother) {
+ VideoFrame::UpdateRect a = {0, 0, 100, 100};
+ VideoFrame::UpdateRect b = {5, 5, 30, 20};
+ a.Intersect(b);
+ EXPECT_EQ(a, VideoFrame::UpdateRect({5, 5, 30, 20}));
+}
+
+TEST(TestUpdateRectScale, NoScale) {
+ const int width = 640;
+ const int height = 480;
+ VideoFrame::UpdateRect a = {100, 50, 100, 200};
+ VideoFrame::UpdateRect scaled =
+ a.ScaleWithFrame(width, height, 0, 0, width, height, width, height);
+ EXPECT_EQ(scaled, VideoFrame::UpdateRect({100, 50, 100, 200}));
+}
+
+TEST(TestUpdateRectScale, CropOnly) {
+ const int width = 640;
+ const int height = 480;
+ VideoFrame::UpdateRect a = {100, 50, 100, 200};
+ VideoFrame::UpdateRect scaled = a.ScaleWithFrame(
+ width, height, 10, 10, width - 20, height - 20, width - 20, height - 20);
+ EXPECT_EQ(scaled, VideoFrame::UpdateRect({90, 40, 100, 200}));
+}
+
+TEST(TestUpdateRectScale, CropOnlyToOddOffset) {
+ const int width = 640;
+ const int height = 480;
+ VideoFrame::UpdateRect a = {100, 50, 100, 200};
+ VideoFrame::UpdateRect scaled = a.ScaleWithFrame(
+ width, height, 5, 5, width - 10, height - 10, width - 10, height - 10);
+ EXPECT_EQ(scaled, VideoFrame::UpdateRect({94, 44, 102, 202}));
+}
+
+TEST(TestUpdateRectScale, ScaleByHalf) {
+ const int width = 640;
+ const int height = 480;
+ VideoFrame::UpdateRect a = {100, 60, 100, 200};
+ VideoFrame::UpdateRect scaled = a.ScaleWithFrame(
+ width, height, 0, 0, width, height, width / 2, height / 2);
+ // Scaled by half and +2 pixels in all directions.
+ EXPECT_EQ(scaled, VideoFrame::UpdateRect({48, 28, 54, 104}));
+}
+
+TEST(TestUpdateRectScale, CropToUnchangedRegionBelowUpdateRect) {
+ const int width = 640;
+ const int height = 480;
+ VideoFrame::UpdateRect a = {100, 60, 100, 200};
+ VideoFrame::UpdateRect scaled = a.ScaleWithFrame(
+ width, height, (width - 10) / 2, (height - 10) / 2, 10, 10, 10, 10);
+ // Update is out of the cropped frame.
+ EXPECT_EQ(scaled, VideoFrame::UpdateRect({0, 0, 0, 0}));
+}
+
+TEST(TestUpdateRectScale, CropToUnchangedRegionAboveUpdateRect) {
+ const int width = 640;
+ const int height = 480;
+ VideoFrame::UpdateRect a = {600, 400, 10, 10};
+ VideoFrame::UpdateRect scaled = a.ScaleWithFrame(
+ width, height, (width - 10) / 2, (height - 10) / 2, 10, 10, 10, 10);
+ // Update is out of the cropped frame.
+ EXPECT_EQ(scaled, VideoFrame::UpdateRect({0, 0, 0, 0}));
+}
+
+TEST(TestUpdateRectScale, CropInsideUpdate) {
+ const int width = 640;
+ const int height = 480;
+ VideoFrame::UpdateRect a = {300, 200, 100, 100};
+ VideoFrame::UpdateRect scaled = a.ScaleWithFrame(
+ width, height, (width - 10) / 2, (height - 10) / 2, 10, 10, 10, 10);
+ // Cropped frame is inside the update rect.
+ EXPECT_EQ(scaled, VideoFrame::UpdateRect({0, 0, 10, 10}));
+}
+
+TEST(TestUpdateRectScale, CropAndScaleByHalf) {
+ const int width = 640;
+ const int height = 480;
+ VideoFrame::UpdateRect a = {100, 60, 100, 200};
+ VideoFrame::UpdateRect scaled =
+ a.ScaleWithFrame(width, height, 10, 10, width - 20, height - 20,
+ (width - 20) / 2, (height - 20) / 2);
+ // Scaled by half and +3 pixels in all directions, because of odd offset after
+ // crop and scale.
+ EXPECT_EQ(scaled, VideoFrame::UpdateRect({42, 22, 56, 106}));
+}
+
+} // namespace webrtc
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 04:03:39 +0000