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      1 /*
      2  *  Copyright (c) 2014 The WebM project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef VP9_COMMON_VP9_MFQE_H_
     12 #define VP9_COMMON_VP9_MFQE_H_
     13 
     14 #ifdef __cplusplus
     15 extern "C" {
     16 #endif
     17 
     18 // Multiframe Quality Enhancement.
     19 // The aim for MFQE is to replace pixel blocks in the current frame with
     20 // the correlated pixel blocks (with higher quality) in the last frame.
     21 // The replacement can only be taken in stationary blocks by checking
     22 // the motion of the blocks and other conditions such as the SAD of
     23 // the current block and correlated block, the variance of the block
     24 // difference, etc.
     25 void vp9_mfqe(struct VP9Common *cm);
     26 
     27 #ifdef __cplusplus
     28 }  // extern "C"
     29 #endif
     30 
     31 #endif  // VP9_COMMON_VP9_MFQE_H_
     32