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 VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_ 12 #define VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_ 13 14 #include "vp9/encoder/vp9_block.h" 15 #include "vp9/encoder/vp9_skin_detection.h" 16 #include "vpx_scale/yv12config.h" 17 18 #if CONFIG_VP9_TEMPORAL_DENOISING 19 #include "vp9/encoder/vp9_denoiser.h" 20 #endif 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 #define MAX_VAR_HIST_BINS 20 27 28 typedef enum noise_level { kLowLow, kLow, kMedium, kHigh } NOISE_LEVEL; 29 30 typedef struct noise_estimate { 31 int enabled; 32 NOISE_LEVEL level; 33 int value; 34 int thresh; 35 int adapt_thresh; 36 int count; 37 int last_w; 38 int last_h; 39 int num_frames_estimate; 40 } NOISE_ESTIMATE; 41 42 struct VP9_COMP; 43 44 void vp9_noise_estimate_init(NOISE_ESTIMATE *const ne, int width, int height); 45 46 NOISE_LEVEL vp9_noise_estimate_extract_level(NOISE_ESTIMATE *const ne); 47 48 void vp9_update_noise_estimate(struct VP9_COMP *const cpi); 49 50 #ifdef __cplusplus 51 } // extern "C" 52 #endif 53 54 #endif // VPX_VP9_ENCODER_VP9_NOISE_ESTIMATE_H_ 55