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/*
* Copyright (c) 2012 The WebM 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 VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_
#define VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_
#include "vp9/encoder/vp9_block.h"
#include "vp9/encoder/vp9_skin_detection.h"
#include "vpx_scale/yv12config.h"
#if CONFIG_VP9_TEMPORAL_DENOISING
#include "vp9/encoder/vp9_denoiser.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define MAX_VAR_HIST_BINS 20
typedef enum noise_level { kLowLow, kLow, kMedium, kHigh } NOISE_LEVEL;
typedef struct noise_estimate {
int enabled;
NOISE_LEVEL level;
int value;
int thresh;
int adapt_thresh;
int count;
int last_w;
int last_h;
int num_frames_estimate;
} NOISE_ESTIMATE;
struct VP9_COMP;
void vp9_noise_estimate_init(NOISE_ESTIMATE *const ne, int width, int height);
NOISE_LEVEL vp9_noise_estimate_extract_level(NOISE_ESTIMATE *const ne);
void vp9_update_noise_estimate(struct VP9_COMP *const cpi);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_
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