| /* |
| * Copyright (c) 2020, Alliance for Open Media. All rights reserved. |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #ifndef AOM_AV1_ENCODER_AV1_NOISE_ESTIMATE_H_ |
| #define AOM_AV1_ENCODER_AV1_NOISE_ESTIMATE_H_ |
| |
| #include "av1/encoder/block.h" |
| #include "aom_scale/yv12config.h" |
| |
| #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 AV1_COMP; |
| |
| void av1_noise_estimate_init(NOISE_ESTIMATE *const ne, int width, int height); |
| |
| NOISE_LEVEL av1_noise_estimate_extract_level(NOISE_ESTIMATE *const ne); |
| |
| void av1_update_noise_estimate(struct AV1_COMP *const cpi); |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_AV1_ENCODER_AV1_NOISE_ESTIMATE_H_ |