51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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/*
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* Copyright (c) 2020, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AV1_ENCODER_AV1_NOISE_ESTIMATE_H_
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#define AOM_AV1_ENCODER_AV1_NOISE_ESTIMATE_H_
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#include "av1/encoder/block.h"
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#include "aom_scale/yv12config.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MAX_VAR_HIST_BINS 20
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typedef enum noise_level { kLowLow, kLow, kMedium, kHigh } NOISE_LEVEL;
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typedef struct noise_estimate {
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int enabled;
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NOISE_LEVEL level;
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int value;
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int thresh;
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int adapt_thresh;
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int count;
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int last_w;
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int last_h;
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int num_frames_estimate;
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} NOISE_ESTIMATE;
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struct AV1_COMP;
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void av1_noise_estimate_init(NOISE_ESTIMATE *const ne, int width, int height);
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NOISE_LEVEL av1_noise_estimate_extract_level(NOISE_ESTIMATE *const ne);
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void av1_update_noise_estimate(struct AV1_COMP *const cpi);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_AV1_ENCODER_AV1_NOISE_ESTIMATE_H_
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