diff --git a/api/video/i444_buffer.cc b/api/video/i444_buffer.cc
index 5f8b714..92f1662 100644
--- a/api/video/i444_buffer.cc
+++ b/api/video/i444_buffer.cc
@@ -1,211 +1,211 @@
-/*
- *  Copyright (c) 2021 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/i444_buffer.h"
-
-#include <string.h>
-
-#include <algorithm>
-#include <utility>
-
-#include "api/video/i420_buffer.h"
-#include "rtc_base/checks.h"
-#include "rtc_base/ref_counted_object.h"
-#include "third_party/libyuv/include/libyuv/convert.h"
-#include "third_party/libyuv/include/libyuv/planar_functions.h"
-#include "third_party/libyuv/include/libyuv/scale.h"
-
-// Aligning pointer to 64 bytes for improved performance, e.g. use SIMD.
-static const int kBufferAlignment = 64;
-
-namespace webrtc {
-
-namespace {
-
-int I444DataSize(int height, int stride_y, int stride_u, int stride_v) {
-  return stride_y * height + stride_u * height + stride_v * height;
-}
-
-}  // namespace
-
-I444Buffer::I444Buffer(int width, int height)
-    : I444Buffer(width, height, width, (width), (width)) {}
-
-I444Buffer::I444Buffer(int width,
-                       int height,
-                       int stride_y,
-                       int stride_u,
-                       int stride_v)
-    : width_(width),
-      height_(height),
-      stride_y_(stride_y),
-      stride_u_(stride_u),
-      stride_v_(stride_v),
-      data_(static_cast<uint8_t*>(
-          AlignedMalloc(I444DataSize(height, stride_y, stride_u, stride_v),
-                        kBufferAlignment))) {
-  RTC_DCHECK_GT(width, 0);
-  RTC_DCHECK_GT(height, 0);
-  RTC_DCHECK_GE(stride_y, width);
-  RTC_DCHECK_GE(stride_u, (width));
-  RTC_DCHECK_GE(stride_v, (width));
-}
-
-I444Buffer::~I444Buffer() {}
-
-// static
-rtc::scoped_refptr<I444Buffer> I444Buffer::Create(int width, int height) {
-  return new rtc::RefCountedObject<I444Buffer>(width, height);
-}
-
-// static
-rtc::scoped_refptr<I444Buffer> I444Buffer::Create(int width,
-                                                  int height,
-                                                  int stride_y,
-                                                  int stride_u,
-                                                  int stride_v) {
-  return new rtc::RefCountedObject<I444Buffer>(width, height, stride_y,
-                                               stride_u, stride_v);
-}
-
-// static
-rtc::scoped_refptr<I444Buffer> I444Buffer::Copy(
-    const I444BufferInterface& source) {
-  return Copy(source.width(), source.height(), source.DataY(), source.StrideY(),
-              source.DataU(), source.StrideU(), source.DataV(),
-              source.StrideV());
-}
-
-// static
-rtc::scoped_refptr<I444Buffer> I444Buffer::Copy(int width,
-                                                int height,
-                                                const uint8_t* data_y,
-                                                int stride_y,
-                                                const uint8_t* data_u,
-                                                int stride_u,
-                                                const uint8_t* data_v,
-                                                int stride_v) {
-  // Note: May use different strides than the input data.
-  rtc::scoped_refptr<I444Buffer> buffer = Create(width, height);
-  RTC_CHECK_EQ(0, libyuv::I444Copy(data_y, stride_y, data_u, stride_u, data_v,
-                                   stride_v, buffer->MutableDataY(),
-                                   buffer->StrideY(), buffer->MutableDataU(),
-                                   buffer->StrideU(), buffer->MutableDataV(),
-                                   buffer->StrideV(), width, height));
-  return buffer;
-}
-
-// static
-rtc::scoped_refptr<I444Buffer> I444Buffer::Rotate(
-    const I444BufferInterface& src,
-    VideoRotation rotation) {
-  RTC_CHECK(src.DataY());
-  RTC_CHECK(src.DataU());
-  RTC_CHECK(src.DataV());
-
-  int rotated_width = src.width();
-  int rotated_height = src.height();
-  if (rotation == webrtc::kVideoRotation_90 ||
-      rotation == webrtc::kVideoRotation_270) {
-    std::swap(rotated_width, rotated_height);
-  }
-
-  rtc::scoped_refptr<webrtc::I444Buffer> buffer =
-      I444Buffer::Create(rotated_width, rotated_height);
-
-  RTC_CHECK_EQ(0,
-               libyuv::I444Rotate(
-                   src.DataY(), src.StrideY(), src.DataU(), src.StrideU(),
-                   src.DataV(), src.StrideV(), buffer->MutableDataY(),
-                   buffer->StrideY(), buffer->MutableDataU(), buffer->StrideU(),
-                   buffer->MutableDataV(), buffer->StrideV(), src.width(),
-                   src.height(), static_cast<libyuv::RotationMode>(rotation)));
-
-  return buffer;
-}
-
-rtc::scoped_refptr<I420BufferInterface> I444Buffer::ToI420() {
-  rtc::scoped_refptr<I420Buffer> i420_buffer =
-      I420Buffer::Create(width(), height());
-  libyuv::I444ToI420(DataY(), StrideY(), DataU(), StrideU(), DataV(), StrideV(),
-                     i420_buffer->MutableDataY(), i420_buffer->StrideY(),
-                     i420_buffer->MutableDataU(), i420_buffer->StrideU(),
-                     i420_buffer->MutableDataV(), i420_buffer->StrideV(),
-                     width(), height());
-  return i420_buffer;
-}
-
-void I444Buffer::InitializeData() {
-  memset(data_.get(), 0,
-         I444DataSize(height_, stride_y_, stride_u_, stride_v_));
-}
-
-int I444Buffer::width() const {
-  return width_;
-}
-
-int I444Buffer::height() const {
-  return height_;
-}
-
-const uint8_t* I444Buffer::DataY() const {
-  return data_.get();
-}
-const uint8_t* I444Buffer::DataU() const {
-  return data_.get() + stride_y_ * height_;
-}
-const uint8_t* I444Buffer::DataV() const {
-  return data_.get() + stride_y_ * height_ + stride_u_ * ((height_));
-}
-
-int I444Buffer::StrideY() const {
-  return stride_y_;
-}
-int I444Buffer::StrideU() const {
-  return stride_u_;
-}
-int I444Buffer::StrideV() const {
-  return stride_v_;
-}
-
-uint8_t* I444Buffer::MutableDataY() {
-  return const_cast<uint8_t*>(DataY());
-}
-uint8_t* I444Buffer::MutableDataU() {
-  return const_cast<uint8_t*>(DataU());
-}
-uint8_t* I444Buffer::MutableDataV() {
-  return const_cast<uint8_t*>(DataV());
-}
-
-void I444Buffer::CropAndScaleFrom(const I444BufferInterface& src,
-                                  int offset_x,
-                                  int offset_y,
-                                  int crop_width,
-                                  int crop_height) {
-  RTC_CHECK_LE(crop_width, src.width());
-  RTC_CHECK_LE(crop_height, src.height());
-  RTC_CHECK_LE(crop_width + offset_x, src.width());
-  RTC_CHECK_LE(crop_height + offset_y, src.height());
-  RTC_CHECK_GE(offset_x, 0);
-  RTC_CHECK_GE(offset_y, 0);
-
-  const uint8_t* y_plane = src.DataY() + src.StrideY() * offset_y + offset_x;
-  const uint8_t* u_plane = src.DataU() + src.StrideU() * offset_y + offset_x;
-  const uint8_t* v_plane = src.DataV() + src.StrideV() * offset_y + offset_x;
-  int res =
-      libyuv::I444Scale(y_plane, src.StrideY(), u_plane, src.StrideU(), v_plane,
-                        src.StrideV(), crop_width, crop_height, MutableDataY(),
-                        StrideY(), MutableDataU(), StrideU(), MutableDataV(),
-                        StrideV(), width(), height(), libyuv::kFilterBox);
-
-  RTC_DCHECK_EQ(res, 0);
-}
-
-}  // namespace webrtc
+/*
+ *  Copyright (c) 2021 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/i444_buffer.h"
+
+#include <string.h>
+
+#include <algorithm>
+#include <utility>
+
+#include "api/video/i420_buffer.h"
+#include "rtc_base/checks.h"
+#include "rtc_base/ref_counted_object.h"
+#include "third_party/libyuv/include/libyuv/convert.h"
+#include "third_party/libyuv/include/libyuv/planar_functions.h"
+#include "third_party/libyuv/include/libyuv/scale.h"
+
+// Aligning pointer to 64 bytes for improved performance, e.g. use SIMD.
+static const int kBufferAlignment = 64;
+
+namespace webrtc {
+
+namespace {
+
+int I444DataSize(int height, int stride_y, int stride_u, int stride_v) {
+  return stride_y * height + stride_u * height + stride_v * height;
+}
+
+}  // namespace
+
+I444Buffer::I444Buffer(int width, int height)
+    : I444Buffer(width, height, width, (width), (width)) {}
+
+I444Buffer::I444Buffer(int width,
+                       int height,
+                       int stride_y,
+                       int stride_u,
+                       int stride_v)
+    : width_(width),
+      height_(height),
+      stride_y_(stride_y),
+      stride_u_(stride_u),
+      stride_v_(stride_v),
+      data_(static_cast<uint8_t*>(
+          AlignedMalloc(I444DataSize(height, stride_y, stride_u, stride_v),
+                        kBufferAlignment))) {
+  RTC_DCHECK_GT(width, 0);
+  RTC_DCHECK_GT(height, 0);
+  RTC_DCHECK_GE(stride_y, width);
+  RTC_DCHECK_GE(stride_u, (width));
+  RTC_DCHECK_GE(stride_v, (width));
+}
+
+I444Buffer::~I444Buffer() {}
+
+// static
+rtc::scoped_refptr<I444Buffer> I444Buffer::Create(int width, int height) {
+  return new rtc::RefCountedObject<I444Buffer>(width, height);
+}
+
+// static
+rtc::scoped_refptr<I444Buffer> I444Buffer::Create(int width,
+                                                  int height,
+                                                  int stride_y,
+                                                  int stride_u,
+                                                  int stride_v) {
+  return new rtc::RefCountedObject<I444Buffer>(width, height, stride_y,
+                                               stride_u, stride_v);
+}
+
+// static
+rtc::scoped_refptr<I444Buffer> I444Buffer::Copy(
+    const I444BufferInterface& source) {
+  return Copy(source.width(), source.height(), source.DataY(), source.StrideY(),
+              source.DataU(), source.StrideU(), source.DataV(),
+              source.StrideV());
+}
+
+// static
+rtc::scoped_refptr<I444Buffer> I444Buffer::Copy(int width,
+                                                int height,
+                                                const uint8_t* data_y,
+                                                int stride_y,
+                                                const uint8_t* data_u,
+                                                int stride_u,
+                                                const uint8_t* data_v,
+                                                int stride_v) {
+  // Note: May use different strides than the input data.
+  rtc::scoped_refptr<I444Buffer> buffer = Create(width, height);
+  RTC_CHECK_EQ(0, libyuv::I444Copy(data_y, stride_y, data_u, stride_u, data_v,
+                                   stride_v, buffer->MutableDataY(),
+                                   buffer->StrideY(), buffer->MutableDataU(),
+                                   buffer->StrideU(), buffer->MutableDataV(),
+                                   buffer->StrideV(), width, height));
+  return buffer;
+}
+
+// static
+rtc::scoped_refptr<I444Buffer> I444Buffer::Rotate(
+    const I444BufferInterface& src,
+    VideoRotation rotation) {
+  RTC_CHECK(src.DataY());
+  RTC_CHECK(src.DataU());
+  RTC_CHECK(src.DataV());
+
+  int rotated_width = src.width();
+  int rotated_height = src.height();
+  if (rotation == webrtc::kVideoRotation_90 ||
+      rotation == webrtc::kVideoRotation_270) {
+    std::swap(rotated_width, rotated_height);
+  }
+
+  rtc::scoped_refptr<webrtc::I444Buffer> buffer =
+      I444Buffer::Create(rotated_width, rotated_height);
+
+  RTC_CHECK_EQ(0,
+               libyuv::I444Rotate(
+                   src.DataY(), src.StrideY(), src.DataU(), src.StrideU(),
+                   src.DataV(), src.StrideV(), buffer->MutableDataY(),
+                   buffer->StrideY(), buffer->MutableDataU(), buffer->StrideU(),
+                   buffer->MutableDataV(), buffer->StrideV(), src.width(),
+                   src.height(), static_cast<libyuv::RotationMode>(rotation)));
+
+  return buffer;
+}
+
+rtc::scoped_refptr<I420BufferInterface> I444Buffer::ToI420() {
+  rtc::scoped_refptr<I420Buffer> i420_buffer =
+      I420Buffer::Create(width(), height());
+  libyuv::I444ToI420(DataY(), StrideY(), DataU(), StrideU(), DataV(), StrideV(),
+                     i420_buffer->MutableDataY(), i420_buffer->StrideY(),
+                     i420_buffer->MutableDataU(), i420_buffer->StrideU(),
+                     i420_buffer->MutableDataV(), i420_buffer->StrideV(),
+                     width(), height());
+  return i420_buffer;
+}
+
+void I444Buffer::InitializeData() {
+  memset(data_.get(), 0,
+         I444DataSize(height_, stride_y_, stride_u_, stride_v_));
+}
+
+int I444Buffer::width() const {
+  return width_;
+}
+
+int I444Buffer::height() const {
+  return height_;
+}
+
+const uint8_t* I444Buffer::DataY() const {
+  return data_.get();
+}
+const uint8_t* I444Buffer::DataU() const {
+  return data_.get() + stride_y_ * height_;
+}
+const uint8_t* I444Buffer::DataV() const {
+  return data_.get() + stride_y_ * height_ + stride_u_ * ((height_));
+}
+
+int I444Buffer::StrideY() const {
+  return stride_y_;
+}
+int I444Buffer::StrideU() const {
+  return stride_u_;
+}
+int I444Buffer::StrideV() const {
+  return stride_v_;
+}
+
+uint8_t* I444Buffer::MutableDataY() {
+  return const_cast<uint8_t*>(DataY());
+}
+uint8_t* I444Buffer::MutableDataU() {
+  return const_cast<uint8_t*>(DataU());
+}
+uint8_t* I444Buffer::MutableDataV() {
+  return const_cast<uint8_t*>(DataV());
+}
+
+void I444Buffer::CropAndScaleFrom(const I444BufferInterface& src,
+                                  int offset_x,
+                                  int offset_y,
+                                  int crop_width,
+                                  int crop_height) {
+  RTC_CHECK_LE(crop_width, src.width());
+  RTC_CHECK_LE(crop_height, src.height());
+  RTC_CHECK_LE(crop_width + offset_x, src.width());
+  RTC_CHECK_LE(crop_height + offset_y, src.height());
+  RTC_CHECK_GE(offset_x, 0);
+  RTC_CHECK_GE(offset_y, 0);
+
+  const uint8_t* y_plane = src.DataY() + src.StrideY() * offset_y + offset_x;
+  const uint8_t* u_plane = src.DataU() + src.StrideU() * offset_y + offset_x;
+  const uint8_t* v_plane = src.DataV() + src.StrideV() * offset_y + offset_x;
+  int res =
+      libyuv::I444Scale(y_plane, src.StrideY(), u_plane, src.StrideU(), v_plane,
+                        src.StrideV(), crop_width, crop_height, MutableDataY(),
+                        StrideY(), MutableDataU(), StrideU(), MutableDataV(),
+                        StrideV(), width(), height(), libyuv::kFilterBox);
+
+  RTC_DCHECK_EQ(res, 0);
+}
+
+}  // namespace webrtc
diff --git a/api/video/i444_buffer.h b/api/video/i444_buffer.h
index d46c245..557bf4f 100644
--- a/api/video/i444_buffer.h
+++ b/api/video/i444_buffer.h
@@ -1,104 +1,104 @@
-/*
- *  Copyright (c) 2021 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.
- */
-
-#ifndef API_VIDEO_I444_BUFFER_H_
-#define API_VIDEO_I444_BUFFER_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "api/scoped_refptr.h"
-#include "api/video/video_frame_buffer.h"
-#include "api/video/video_rotation.h"
-#include "rtc_base/memory/aligned_malloc.h"
-#include "rtc_base/system/rtc_export.h"
-
-namespace webrtc {
-
-// Plain I444 buffer in standard memory.
-// I444 represents an image with in YUV format withouth any chroma subsampling.
-// https://en.wikipedia.org/wiki/Chroma_subsampling#4:4:4
-class RTC_EXPORT I444Buffer : public I444BufferInterface {
- public:
-  static rtc::scoped_refptr<I444Buffer> Create(int width, int height);
-  static rtc::scoped_refptr<I444Buffer> Create(int width,
-                                               int height,
-                                               int stride_y,
-                                               int stride_u,
-                                               int stride_v);
-
-  // Create a new buffer and copy the pixel data.
-  static rtc::scoped_refptr<I444Buffer> Copy(const I444BufferInterface& buffer);
-
-  static rtc::scoped_refptr<I444Buffer> Copy(int width,
-                                             int height,
-                                             const uint8_t* data_y,
-                                             int stride_y,
-                                             const uint8_t* data_u,
-                                             int stride_u,
-                                             const uint8_t* data_v,
-                                             int stride_v);
-
-  // Returns a rotated copy of |src|.
-  static rtc::scoped_refptr<I444Buffer> Rotate(const I444BufferInterface& src,
-                                               VideoRotation rotation);
-
-  rtc::scoped_refptr<I420BufferInterface> ToI420() final;
-  const I420BufferInterface* GetI420() const final { return nullptr; }
-
-  // Sets all three planes to all zeros. Used to work around for
-  // quirks in memory checkers
-  // (https://bugs.chromium.org/p/libyuv/issues/detail?id=377) and
-  // ffmpeg (http://crbug.com/390941).
-  // TODO(nisse): Deprecated. Should be deleted if/when those issues
-  // are resolved in a better way. Or in the mean time, use SetBlack.
-  void InitializeData();
-
-  int width() const override;
-  int height() const override;
-  const uint8_t* DataY() const override;
-  const uint8_t* DataU() const override;
-  const uint8_t* DataV() const override;
-
-  int StrideY() const override;
-  int StrideU() const override;
-  int StrideV() const override;
-
-  uint8_t* MutableDataY();
-  uint8_t* MutableDataU();
-  uint8_t* MutableDataV();
-
-  // Scale the cropped area of |src| to the size of |this| buffer, and
-  // write the result into |this|.
-  void CropAndScaleFrom(const I444BufferInterface& src,
-                        int offset_x,
-                        int offset_y,
-                        int crop_width,
-                        int crop_height);
-
- protected:
-  I444Buffer(int width, int height);
-  I444Buffer(int width, int height, int stride_y, int stride_u, int stride_v);
-
-  ~I444Buffer() override;
-
- private:
-  const int width_;
-  const int height_;
-  const int stride_y_;
-  const int stride_u_;
-  const int stride_v_;
-  const std::unique_ptr<uint8_t, AlignedFreeDeleter> data_;
-};
-
-}  // namespace webrtc
-
-#endif  // API_VIDEO_I444_BUFFER_H_
+/*
+ *  Copyright (c) 2021 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.
+ */
+
+#ifndef API_VIDEO_I444_BUFFER_H_
+#define API_VIDEO_I444_BUFFER_H_
+
+#include <stdint.h>
+
+#include <memory>
+
+#include "api/scoped_refptr.h"
+#include "api/video/video_frame_buffer.h"
+#include "api/video/video_rotation.h"
+#include "rtc_base/memory/aligned_malloc.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace webrtc {
+
+// Plain I444 buffer in standard memory.
+// I444 represents an image with in YUV format withouth any chroma subsampling.
+// https://en.wikipedia.org/wiki/Chroma_subsampling#4:4:4
+class RTC_EXPORT I444Buffer : public I444BufferInterface {
+ public:
+  static rtc::scoped_refptr<I444Buffer> Create(int width, int height);
+  static rtc::scoped_refptr<I444Buffer> Create(int width,
+                                               int height,
+                                               int stride_y,
+                                               int stride_u,
+                                               int stride_v);
+
+  // Create a new buffer and copy the pixel data.
+  static rtc::scoped_refptr<I444Buffer> Copy(const I444BufferInterface& buffer);
+
+  static rtc::scoped_refptr<I444Buffer> Copy(int width,
+                                             int height,
+                                             const uint8_t* data_y,
+                                             int stride_y,
+                                             const uint8_t* data_u,
+                                             int stride_u,
+                                             const uint8_t* data_v,
+                                             int stride_v);
+
+  // Returns a rotated copy of |src|.
+  static rtc::scoped_refptr<I444Buffer> Rotate(const I444BufferInterface& src,
+                                               VideoRotation rotation);
+
+  rtc::scoped_refptr<I420BufferInterface> ToI420() final;
+  const I420BufferInterface* GetI420() const final { return nullptr; }
+
+  // Sets all three planes to all zeros. Used to work around for
+  // quirks in memory checkers
+  // (https://bugs.chromium.org/p/libyuv/issues/detail?id=377) and
+  // ffmpeg (http://crbug.com/390941).
+  // TODO(nisse): Deprecated. Should be deleted if/when those issues
+  // are resolved in a better way. Or in the mean time, use SetBlack.
+  void InitializeData();
+
+  int width() const override;
+  int height() const override;
+  const uint8_t* DataY() const override;
+  const uint8_t* DataU() const override;
+  const uint8_t* DataV() const override;
+
+  int StrideY() const override;
+  int StrideU() const override;
+  int StrideV() const override;
+
+  uint8_t* MutableDataY();
+  uint8_t* MutableDataU();
+  uint8_t* MutableDataV();
+
+  // Scale the cropped area of |src| to the size of |this| buffer, and
+  // write the result into |this|.
+  void CropAndScaleFrom(const I444BufferInterface& src,
+                        int offset_x,
+                        int offset_y,
+                        int crop_width,
+                        int crop_height);
+
+ protected:
+  I444Buffer(int width, int height);
+  I444Buffer(int width, int height, int stride_y, int stride_u, int stride_v);
+
+  ~I444Buffer() override;
+
+ private:
+  const int width_;
+  const int height_;
+  const int stride_y_;
+  const int stride_u_;
+  const int stride_v_;
+  const std::unique_ptr<uint8_t, AlignedFreeDeleter> data_;
+};
+
+}  // namespace webrtc
+
+#endif  // API_VIDEO_I444_BUFFER_H_
diff --git a/api/video/test/i444_buffer_unittest.cc b/api/video/test/i444_buffer_unittest.cc
index 52ce49a..9a1a931 100644
--- a/api/video/test/i444_buffer_unittest.cc
+++ b/api/video/test/i444_buffer_unittest.cc
@@ -1,112 +1,112 @@
-
-/*
- *  Copyright (c) 2021 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/i444_buffer.h"
-
-#include "api/video/i420_buffer.h"
-#include "test/frame_utils.h"
-#include "test/gmock.h"
-#include "test/gtest.h"
-
-namespace webrtc {
-
-namespace {
-int GetY(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
-  return buf->DataY()[row * buf->StrideY() + col];
-}
-
-int GetU(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
-  return buf->DataU()[row * buf->StrideU() + col];
-}
-
-int GetV(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
-  return buf->DataV()[row * buf->StrideV() + col];
-}
-
-void FillI444Buffer(rtc::scoped_refptr<I444Buffer> buf) {
-  const uint8_t Y = 1;
-  const uint8_t U = 2;
-  const uint8_t V = 3;
-  for (int row = 0; row < buf->height(); ++row) {
-    for (int col = 0; col < buf->width(); ++col) {
-      buf->MutableDataY()[row * buf->StrideY() + col] = Y;
-      buf->MutableDataU()[row * buf->StrideU() + col] = U;
-      buf->MutableDataV()[row * buf->StrideV() + col] = V;
-    }
-  }
-}
-
-}  // namespace
-
-TEST(I444BufferTest, InitialData) {
-  constexpr int stride = 3;
-  constexpr int width = 3;
-  constexpr int height = 3;
-
-  rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
-  EXPECT_EQ(width, i444_buffer->width());
-  EXPECT_EQ(height, i444_buffer->height());
-  EXPECT_EQ(stride, i444_buffer->StrideY());
-  EXPECT_EQ(stride, i444_buffer->StrideU());
-  EXPECT_EQ(stride, i444_buffer->StrideV());
-  EXPECT_EQ(3, i444_buffer->ChromaWidth());
-  EXPECT_EQ(3, i444_buffer->ChromaHeight());
-}
-
-TEST(I444BufferTest, ReadPixels) {
-  constexpr int width = 3;
-  constexpr int height = 3;
-
-  rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
-  // Y = 1, U = 2, V = 3.
-  FillI444Buffer(i444_buffer);
-  for (int row = 0; row < height; row++) {
-    for (int col = 0; col < width; col++) {
-      EXPECT_EQ(1, GetY(i444_buffer, col, row));
-      EXPECT_EQ(2, GetU(i444_buffer, col, row));
-      EXPECT_EQ(3, GetV(i444_buffer, col, row));
-    }
-  }
-}
-
-TEST(I444BufferTest, ToI420) {
-  constexpr int width = 3;
-  constexpr int height = 3;
-  constexpr int size_y = width * height;
-  constexpr int size_u = (width + 1) / 2 * (height + 1) / 2;
-  constexpr int size_v = (width + 1) / 2 * (height + 1) / 2;
-  rtc::scoped_refptr<I420Buffer> reference(I420Buffer::Create(width, height));
-  memset(reference->MutableDataY(), 8, size_y);
-  memset(reference->MutableDataU(), 4, size_u);
-  memset(reference->MutableDataV(), 2, size_v);
-
-  rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
-  // Convert the reference buffer to I444.
-  memset(i444_buffer->MutableDataY(), 8, size_y);
-  memset(i444_buffer->MutableDataU(), 4, size_y);
-  memset(i444_buffer->MutableDataV(), 2, size_y);
-
-  // Confirm YUV values are as expected.
-  for (int row = 0; row < height; row++) {
-    for (int col = 0; col < width; col++) {
-      EXPECT_EQ(8, GetY(i444_buffer, col, row));
-      EXPECT_EQ(4, GetU(i444_buffer, col, row));
-      EXPECT_EQ(2, GetV(i444_buffer, col, row));
-    }
-  }
-
-  rtc::scoped_refptr<I420BufferInterface> i420_buffer(i444_buffer->ToI420());
-  EXPECT_EQ(height, i420_buffer->height());
-  EXPECT_EQ(width, i420_buffer->width());
-  EXPECT_TRUE(test::FrameBufsEqual(reference, i420_buffer));
-}
-
-}  // namespace webrtc
+
+/*
+ *  Copyright (c) 2021 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/i444_buffer.h"
+
+#include "api/video/i420_buffer.h"
+#include "test/frame_utils.h"
+#include "test/gmock.h"
+#include "test/gtest.h"
+
+namespace webrtc {
+
+namespace {
+int GetY(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
+  return buf->DataY()[row * buf->StrideY() + col];
+}
+
+int GetU(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
+  return buf->DataU()[row * buf->StrideU() + col];
+}
+
+int GetV(rtc::scoped_refptr<I444BufferInterface> buf, int col, int row) {
+  return buf->DataV()[row * buf->StrideV() + col];
+}
+
+void FillI444Buffer(rtc::scoped_refptr<I444Buffer> buf) {
+  const uint8_t Y = 1;
+  const uint8_t U = 2;
+  const uint8_t V = 3;
+  for (int row = 0; row < buf->height(); ++row) {
+    for (int col = 0; col < buf->width(); ++col) {
+      buf->MutableDataY()[row * buf->StrideY() + col] = Y;
+      buf->MutableDataU()[row * buf->StrideU() + col] = U;
+      buf->MutableDataV()[row * buf->StrideV() + col] = V;
+    }
+  }
+}
+
+}  // namespace
+
+TEST(I444BufferTest, InitialData) {
+  constexpr int stride = 3;
+  constexpr int width = 3;
+  constexpr int height = 3;
+
+  rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
+  EXPECT_EQ(width, i444_buffer->width());
+  EXPECT_EQ(height, i444_buffer->height());
+  EXPECT_EQ(stride, i444_buffer->StrideY());
+  EXPECT_EQ(stride, i444_buffer->StrideU());
+  EXPECT_EQ(stride, i444_buffer->StrideV());
+  EXPECT_EQ(3, i444_buffer->ChromaWidth());
+  EXPECT_EQ(3, i444_buffer->ChromaHeight());
+}
+
+TEST(I444BufferTest, ReadPixels) {
+  constexpr int width = 3;
+  constexpr int height = 3;
+
+  rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
+  // Y = 1, U = 2, V = 3.
+  FillI444Buffer(i444_buffer);
+  for (int row = 0; row < height; row++) {
+    for (int col = 0; col < width; col++) {
+      EXPECT_EQ(1, GetY(i444_buffer, col, row));
+      EXPECT_EQ(2, GetU(i444_buffer, col, row));
+      EXPECT_EQ(3, GetV(i444_buffer, col, row));
+    }
+  }
+}
+
+TEST(I444BufferTest, ToI420) {
+  constexpr int width = 3;
+  constexpr int height = 3;
+  constexpr int size_y = width * height;
+  constexpr int size_u = (width + 1) / 2 * (height + 1) / 2;
+  constexpr int size_v = (width + 1) / 2 * (height + 1) / 2;
+  rtc::scoped_refptr<I420Buffer> reference(I420Buffer::Create(width, height));
+  memset(reference->MutableDataY(), 8, size_y);
+  memset(reference->MutableDataU(), 4, size_u);
+  memset(reference->MutableDataV(), 2, size_v);
+
+  rtc::scoped_refptr<I444Buffer> i444_buffer(I444Buffer::Create(width, height));
+  // Convert the reference buffer to I444.
+  memset(i444_buffer->MutableDataY(), 8, size_y);
+  memset(i444_buffer->MutableDataU(), 4, size_y);
+  memset(i444_buffer->MutableDataV(), 2, size_y);
+
+  // Confirm YUV values are as expected.
+  for (int row = 0; row < height; row++) {
+    for (int col = 0; col < width; col++) {
+      EXPECT_EQ(8, GetY(i444_buffer, col, row));
+      EXPECT_EQ(4, GetU(i444_buffer, col, row));
+      EXPECT_EQ(2, GetV(i444_buffer, col, row));
+    }
+  }
+
+  rtc::scoped_refptr<I420BufferInterface> i420_buffer(i444_buffer->ToI420());
+  EXPECT_EQ(height, i420_buffer->height());
+  EXPECT_EQ(width, i420_buffer->width());
+  EXPECT_TRUE(test::FrameBufsEqual(reference, i420_buffer));
+}
+
+}  // namespace webrtc