Fix an issue in external VNR when width or height not divisible by 16.

webrtc/modules/video_processing/video_denoiser.h

 /*
  *  Copyright (c) 2015 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.
  */
 
@@ skipping 34 matching lines @@
 
   // Return whether a block might cause trailing artifact by checking if one of
   // its neighbor blocks is a moving edge block.
   bool IsTrailingBlock(const std::unique_ptr<uint8_t[]>& d_status,
                        int mb_row,
                        int mb_col);
 
   // Copy input blocks to dst buffer on moving object blocks (MOB).
   void CopySrcOnMOB(const uint8_t* y_src, uint8_t* y_dst);
 
+  // Copy luma margin blocks when frame width/height not divisible by 16.
+  void CopyLumaOnMargin(const uint8_t* y_src, uint8_t* y_dst);
+
   int width_;
   int height_;
   int mb_rows_;
   int mb_cols_;
   int stride_y_;
   int stride_u_;
   int stride_v_;
   CpuType cpu_type_;
   std::unique_ptr<DenoiserFilter> filter_;
   std::unique_ptr<NoiseEstimation> ne_;
   // 1 for moving edge block, 0 for static block.
   std::unique_ptr<uint8_t[]> moving_edge_;
   // 1 for moving object block, 0 for static block.
   std::unique_ptr<uint8_t[]> moving_object_;
   // x_density_ and y_density_ are used in MOD process.
   std::unique_ptr<uint8_t[]> x_density_;
   std::unique_ptr<uint8_t[]> y_density_;
   // Save the return values by MbDenoise for each block.
   std::unique_ptr<DenoiserDecision[]> mb_filter_decision_;
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_VIDEO_PROCESSING_VIDEO_DENOISER_H_