Use RotateDesktopFrame in DirectX capturer

webrtc/modules/desktop_capture/win/dxgi_duplicator_controller.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_DUPLICATOR_CONTROLLER_H_
 #define WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_DUPLICATOR_CONTROLLER_H_
 
 #include <D3DCommon.h>
 
 #include <memory>
 #include <vector>
 
 #include "webrtc/base/criticalsection.h"
 #include "webrtc/modules/desktop_capture/desktop_geometry.h"
 #include "webrtc/modules/desktop_capture/desktop_region.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_adapter_duplicator.h"
 
 namespace webrtc {
 
 // A controller for all the objects we need to call Windows DirectX capture APIs
-// It's a singleton because, only one IDXGIOutputDuplication instance per
-// monitor is allowed per application.
+// It's a singleton because only one IDXGIOutputDuplication instance per monitor
+// is allowed per application.
 //
 // Consumers should create a DxgiDuplicatorController::Context and keep it
 // throughout their lifetime, and pass it when calling Duplicate(). Consumers
 // can also call IsSupported() to determine whether the system supports DXGI
 // duplicator or not. If a previous IsSupported() function call returns true,
 // but a later Duplicate() returns false, this usually means the display mode is
 // changing. Consumers should retry after a while. (Typically 50 milliseconds,
 // but according to hardware performance, this time may vary.)
 class DxgiDuplicatorController {
  public:
@@ skipping 33 matching lines @@
     // version.
   };
 
   // Returns the singleton instance of DxgiDuplicatorController.
   static DxgiDuplicatorController* Instance();
 
   // Destructs current instance. We need to make sure COM components and their
   // containers are destructed in correct order.
   ~DxgiDuplicatorController();
 
-  // All the following functions implicitly call Initialize() function is
+  // All the following functions implicitly call Initialize() function if
   // current instance has not been initialized.
 
   // Detects whether the system supports DXGI based capturer.
   bool IsSupported();
 
   // Returns a copy of D3dInfo composed by last Initialize() function call.
   bool RetrieveD3dInfo(D3dInfo* info);
 
   // Captures current screen and writes into target. Since we are using double
   // buffering, |last_frame|.updated_region() is used to represent the not
@@ skipping 80 matching lines @@
   int identity_ = 0;
   DesktopRect desktop_rect_;
   DesktopVector dpi_;
   std::vector<DxgiAdapterDuplicator> duplicators_;
   D3dInfo d3d_info_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_DUPLICATOR_CONTROLLER_H_