Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 66 insertions, 0 deletions

diff --git a/third_party/libwebrtc/modules/desktop_capture/cropped_desktop_frame.cc b/third_party/libwebrtc/modules/desktop_capture/cropped_desktop_frame.cc
new file mode 100644
index 0000000000..54488b7d62
--- /dev/null
+++ b/third_party/libwebrtc/modules/desktop_capture/cropped_desktop_frame.cc
@@ -0,0 +1,66 @@
+/*
+ *  Copyright (c) 2014 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 "modules/desktop_capture/cropped_desktop_frame.h"
+
+#include <memory>
+#include <utility>
+
+#include "modules/desktop_capture/desktop_region.h"
+#include "rtc_base/checks.h"
+
+namespace webrtc {
+
+// A DesktopFrame that is a sub-rect of another DesktopFrame.
+class CroppedDesktopFrame : public DesktopFrame {
+ public:
+  CroppedDesktopFrame(std::unique_ptr<DesktopFrame> frame,
+                      const DesktopRect& rect);
+
+  CroppedDesktopFrame(const CroppedDesktopFrame&) = delete;
+  CroppedDesktopFrame& operator=(const CroppedDesktopFrame&) = delete;
+
+ private:
+  const std::unique_ptr<DesktopFrame> frame_;
+};
+
+std::unique_ptr<DesktopFrame> CreateCroppedDesktopFrame(
+    std::unique_ptr<DesktopFrame> frame,
+    const DesktopRect& rect) {
+  RTC_DCHECK(frame);
+
+  DesktopRect intersection = DesktopRect::MakeSize(frame->size());
+  intersection.IntersectWith(rect);
+  if (intersection.is_empty()) {
+    return nullptr;
+  }
+
+  if (frame->size().equals(rect.size())) {
+    return frame;
+  }
+
+  return std::unique_ptr<DesktopFrame>(
+      new CroppedDesktopFrame(std::move(frame), intersection));
+}
+
+CroppedDesktopFrame::CroppedDesktopFrame(std::unique_ptr<DesktopFrame> frame,
+                                         const DesktopRect& rect)
+    : DesktopFrame(rect.size(),
+                   frame->stride(),
+                   frame->GetFrameDataAtPos(rect.top_left()),
+                   frame->shared_memory()),
+      frame_(std::move(frame)) {
+  MoveFrameInfoFrom(frame_.get());
+  set_top_left(frame_->top_left().add(rect.top_left()));
+  mutable_updated_region()->IntersectWith(rect);
+  mutable_updated_region()->Translate(-rect.left(), -rect.top());
+}
+
+}  // namespace webrtc