Use RotateDesktopFrame in DirectX capturer

webrtc/modules/desktop_capture/win/dxgi_output_duplicator.h

 /*
  *  Copyright (c) 2016 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 WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_OUTPUT_DUPLICATOR_H_
 #define WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_OUTPUT_DUPLICATOR_H_
 
 #include <comdef.h>
 #include <wrl/client.h>
 #include <DXGI.h>
 #include <DXGI1_2.h>
 
 #include <memory>
 #include <vector>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/base/thread_annotations.h"
 #include "webrtc/modules/desktop_capture/desktop_geometry.h"
 #include "webrtc/modules/desktop_capture/desktop_region.h"
+#include "webrtc/modules/desktop_capture/desktop_frame_rotation.h"
 #include "webrtc/modules/desktop_capture/shared_desktop_frame.h"
 #include "webrtc/modules/desktop_capture/win/d3d_device.h"
 #include "webrtc/modules/desktop_capture/win/dxgi_texture.h"
 
 namespace webrtc {
 
 // Duplicates the content on one IDXGIOutput, i.e. one monitor attached to one
 // video card. None of functions in this class is thread-safe.
 // TODO(zijiehe): Understand the meaning of rotation.
 class DxgiOutputDuplicator {
@@ skipping 62 matching lines @@
   DesktopRect TranslatedDesktopRect(DesktopVector offset);
 
   void Setup(Context* context);
 
   void Unregister(const Context* const context);
 
   // Spreads changes from |context| to other registered Context(s) in
   // contexts_.
   void SpreadContextChange(const Context* const context);
 
-  // Returns a DesktopRect in the coordinate of |texture_|->AsDesktopFrame().
-  DesktopRect SourceRect(DesktopRect rect);
-
   const D3dDevice device_;
   const Microsoft::WRL::ComPtr<IDXGIOutput1> output_;
   const DesktopRect desktop_rect_;
   Microsoft::WRL::ComPtr<IDXGIOutputDuplication> duplication_;
   DXGI_OUTDUPL_DESC desc_;
-  std::vector<uint8_t> metadata;
+  std::vector<uint8_t> metadata_;
   std::unique_ptr<DxgiTexture> texture_;
+  Rotation rotation_;
+  DesktopSize unrotated_size_;
 
   // After each AcquireNextFrame() function call, updated_region_(s) of all
   // active Context(s) need to be updated. Since they have missed the
   // change this time. And during next Duplicate() function call, their
   // updated_region_ will be merged and copied.
   std::vector<Context*> contexts_;
 
   // The last full frame of this output and its offset. If on AcquireNextFrame()
   // failed because of timeout, i.e. no update, we can copy content from
   // |last_frame_|.
   std::unique_ptr<SharedDesktopFrame> last_frame_;
   DesktopVector last_frame_offset_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_OUTPUT_DUPLICATOR_H_