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      1 /*
      2  *  Copyright (c) 2012 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 VP8_ENCODER_DENOISING_H_
     12 #define VP8_ENCODER_DENOISING_H_
     13 
     14 #include "block.h"
     15 
     16 #define SUM_DIFF_THRESHOLD (16 * 16 * 2)
     17 #define MOTION_MAGNITUDE_THRESHOLD (8*3)
     18 
     19 enum vp8_denoiser_decision
     20 {
     21   COPY_BLOCK,
     22   FILTER_BLOCK
     23 };
     24 
     25 typedef struct vp8_denoiser
     26 {
     27     YV12_BUFFER_CONFIG yv12_running_avg[MAX_REF_FRAMES];
     28     YV12_BUFFER_CONFIG yv12_mc_running_avg;
     29 } VP8_DENOISER;
     30 
     31 int vp8_denoiser_allocate(VP8_DENOISER *denoiser, int width, int height);
     32 
     33 void vp8_denoiser_free(VP8_DENOISER *denoiser);
     34 
     35 void vp8_denoiser_denoise_mb(VP8_DENOISER *denoiser,
     36                              MACROBLOCK *x,
     37                              unsigned int best_sse,
     38                              unsigned int zero_mv_sse,
     39                              int recon_yoffset,
     40                              int recon_uvoffset);
     41 
     42 #endif  /* VP8_ENCODER_DENOISING_H_ */
     43