Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 213 insertions, 0 deletions

diff --git a/third_party/libwebrtc/api/video/i010_buffer.cc b/third_party/libwebrtc/api/video/i010_buffer.cc
new file mode 100644
index 0000000000..d78e854eb9
--- /dev/null
+++ b/third_party/libwebrtc/api/video/i010_buffer.cc
@@ -0,0 +1,213 @@
+/*
+ *  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/i010_buffer.h"
+
+#include <utility>
+
+#include "api/make_ref_counted.h"
+#include "api/video/i420_buffer.h"
+#include "rtc_base/checks.h"
+#include "third_party/libyuv/include/libyuv/convert.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;
+static const int kBytesPerPixel = 2;
+
+namespace webrtc {
+
+namespace {
+
+int I010DataSize(int height, int stride_y, int stride_u, int stride_v) {
+  return kBytesPerPixel *
+         (stride_y * height + (stride_u + stride_v) * ((height + 1) / 2));
+}
+
+}  // namespace
+
+I010Buffer::I010Buffer(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<uint16_t*>(
+          AlignedMalloc(I010DataSize(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 + 1) / 2);
+  RTC_DCHECK_GE(stride_v, (width + 1) / 2);
+}
+
+I010Buffer::~I010Buffer() {}
+
+// static
+rtc::scoped_refptr<I010Buffer> I010Buffer::Create(int width, int height) {
+  return rtc::make_ref_counted<I010Buffer>(width, height, width,
+                                           (width + 1) / 2, (width + 1) / 2);
+}
+
+// static
+rtc::scoped_refptr<I010Buffer> I010Buffer::Copy(
+    const I010BufferInterface& source) {
+  const int width = source.width();
+  const int height = source.height();
+  rtc::scoped_refptr<I010Buffer> buffer = Create(width, height);
+  int res = libyuv::I010Copy(
+      source.DataY(), source.StrideY(), source.DataU(), source.StrideU(),
+      source.DataV(), source.StrideV(), buffer->MutableDataY(),
+      buffer->StrideY(), buffer->MutableDataU(), buffer->StrideU(),
+      buffer->MutableDataV(), buffer->StrideV(), width, height);
+  RTC_DCHECK_EQ(res, 0);
+
+  return buffer;
+}
+
+// static
+rtc::scoped_refptr<I010Buffer> I010Buffer::Copy(
+    const I420BufferInterface& source) {
+  const int width = source.width();
+  const int height = source.height();
+  rtc::scoped_refptr<I010Buffer> buffer = Create(width, height);
+  int res = libyuv::I420ToI010(
+      source.DataY(), source.StrideY(), source.DataU(), source.StrideU(),
+      source.DataV(), source.StrideV(), buffer->MutableDataY(),
+      buffer->StrideY(), buffer->MutableDataU(), buffer->StrideU(),
+      buffer->MutableDataV(), buffer->StrideV(), width, height);
+  RTC_DCHECK_EQ(res, 0);
+
+  return buffer;
+}
+
+// static
+rtc::scoped_refptr<I010Buffer> I010Buffer::Rotate(
+    const I010BufferInterface& src,
+    VideoRotation rotation) {
+  if (rotation == webrtc::kVideoRotation_0)
+    return Copy(src);
+
+  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::I010Buffer> buffer =
+      Create(rotated_width, rotated_height);
+
+  int res = libyuv::I010Rotate(
+      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));
+  RTC_DCHECK_EQ(res, 0);
+
+  return buffer;
+}
+
+rtc::scoped_refptr<I420BufferInterface> I010Buffer::ToI420() {
+  rtc::scoped_refptr<I420Buffer> i420_buffer =
+      I420Buffer::Create(width(), height());
+  int res = libyuv::I010ToI420(
+      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());
+  RTC_DCHECK_EQ(res, 0);
+
+  return i420_buffer;
+}
+
+int I010Buffer::width() const {
+  return width_;
+}
+
+int I010Buffer::height() const {
+  return height_;
+}
+
+const uint16_t* I010Buffer::DataY() const {
+  return data_.get();
+}
+const uint16_t* I010Buffer::DataU() const {
+  return data_.get() + stride_y_ * height_;
+}
+const uint16_t* I010Buffer::DataV() const {
+  return data_.get() + stride_y_ * height_ + stride_u_ * ((height_ + 1) / 2);
+}
+
+int I010Buffer::StrideY() const {
+  return stride_y_;
+}
+int I010Buffer::StrideU() const {
+  return stride_u_;
+}
+int I010Buffer::StrideV() const {
+  return stride_v_;
+}
+
+uint16_t* I010Buffer::MutableDataY() {
+  return const_cast<uint16_t*>(DataY());
+}
+uint16_t* I010Buffer::MutableDataU() {
+  return const_cast<uint16_t*>(DataU());
+}
+uint16_t* I010Buffer::MutableDataV() {
+  return const_cast<uint16_t*>(DataV());
+}
+
+void I010Buffer::CropAndScaleFrom(const I010BufferInterface& 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);
+
+  // Make sure offset is even so that u/v plane becomes aligned.
+  const int uv_offset_x = offset_x / 2;
+  const int uv_offset_y = offset_y / 2;
+  offset_x = uv_offset_x * 2;
+  offset_y = uv_offset_y * 2;
+
+  const uint16_t* y_plane = src.DataY() + src.StrideY() * offset_y + offset_x;
+  const uint16_t* u_plane =
+      src.DataU() + src.StrideU() * uv_offset_y + uv_offset_x;
+  const uint16_t* v_plane =
+      src.DataV() + src.StrideV() * uv_offset_y + uv_offset_x;
+  int res = libyuv::I420Scale_16(
+      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);
+}
+
+void I010Buffer::ScaleFrom(const I010BufferInterface& src) {
+  CropAndScaleFrom(src, 0, 0, src.width(), src.height());
+}
+
+}  // namespace webrtc