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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/encoder/av1_noise_estimate.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/av1_noise_estimate.h b/third_party/aom/av1/encoder/av1_noise_estimate.h new file mode 100644 index 0000000000..85530666f6 --- /dev/null +++ b/third_party/aom/av1/encoder/av1_noise_estimate.h @@ -0,0 +1,50 @@ +/* + * 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_ |