75 строки
2.4 KiB
C
75 строки
2.4 KiB
C
/*
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* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef VP9_ENCODER_DENOISER_H_
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#define VP9_ENCODER_DENOISER_H_
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#include "vp9/encoder/vp9_block.h"
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#include "vpx_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 MOTION_MAGNITUDE_THRESHOLD (8 * 3)
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typedef enum vp9_denoiser_decision {
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COPY_BLOCK,
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FILTER_BLOCK
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} VP9_DENOISER_DECISION;
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typedef struct vp9_denoiser {
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YV12_BUFFER_CONFIG running_avg_y[MAX_REF_FRAMES];
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YV12_BUFFER_CONFIG mc_running_avg_y;
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int increase_denoising;
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int frame_buffer_initialized;
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} VP9_DENOISER;
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void vp9_denoiser_update_frame_info(VP9_DENOISER *denoiser,
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YV12_BUFFER_CONFIG src,
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FRAME_TYPE frame_type,
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int refresh_alt_ref_frame,
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int refresh_golden_frame,
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int refresh_last_frame);
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void vp9_denoiser_denoise(VP9_DENOISER *denoiser, MACROBLOCK *mb,
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int mi_row, int mi_col, BLOCK_SIZE bs,
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PICK_MODE_CONTEXT *ctx);
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void vp9_denoiser_reset_frame_stats(PICK_MODE_CONTEXT *ctx);
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void vp9_denoiser_update_frame_stats(MB_MODE_INFO *mbmi,
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unsigned int sse, PREDICTION_MODE mode,
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PICK_MODE_CONTEXT *ctx);
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int vp9_denoiser_alloc(VP9_DENOISER *denoiser, int width, int height,
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int ssx, int ssy,
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#if CONFIG_VP9_HIGHBITDEPTH
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int use_highbitdepth,
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#endif
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int border);
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#if CONFIG_VP9_TEMPORAL_DENOISING
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// This function is used by both c and sse2 denoiser implementations.
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// Define it as a static function within the scope where vp9_denoiser.h
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// is referenced.
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static int total_adj_strong_thresh(BLOCK_SIZE bs, int increase_denoising) {
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return (1 << num_pels_log2_lookup[bs]) * (increase_denoising ? 3 : 2);
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}
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#endif
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void vp9_denoiser_free(VP9_DENOISER *denoiser);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_ENCODER_DENOISER_H_
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