aom/vp8/encoder/denoising.h

72 строки
2.0 KiB
C

/*
* Copyright (c) 2012 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef VP8_ENCODER_DENOISING_H_
#define VP8_ENCODER_DENOISING_H_
#include "block.h"
#include "vp8/common/loopfilter.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SUM_DIFF_THRESHOLD (16 * 16 * 2)
#define SUM_DIFF_THRESHOLD_HIGH (16 * 16 * 3)
#define MOTION_MAGNITUDE_THRESHOLD (8*3)
#define SUM_DIFF_THRESHOLD_UV (96) // (8 * 8 * 1.5)
#define SUM_DIFF_THRESHOLD_HIGH_UV (8 * 8 * 2)
#define SUM_DIFF_FROM_AVG_THRESH_UV (8 * 8 * 4)
#define MOTION_MAGNITUDE_THRESHOLD_UV (8*3)
enum vp8_denoiser_decision
{
COPY_BLOCK,
FILTER_BLOCK
};
enum vp8_denoiser_filter_state {
kNoFilter,
kFilterZeroMV,
kFilterNonZeroMV
};
typedef struct vp8_denoiser
{
YV12_BUFFER_CONFIG yv12_running_avg[MAX_REF_FRAMES];
YV12_BUFFER_CONFIG yv12_mc_running_avg;
unsigned char* denoise_state;
int num_mb_cols;
} VP8_DENOISER;
int vp8_denoiser_allocate(VP8_DENOISER *denoiser, int width, int height,
int num_mb_rows, int num_mb_cols);
void vp8_denoiser_free(VP8_DENOISER *denoiser);
void vp8_denoiser_denoise_mb(VP8_DENOISER *denoiser,
MACROBLOCK *x,
unsigned int best_sse,
unsigned int zero_mv_sse,
int recon_yoffset,
int recon_uvoffset,
loop_filter_info_n *lfi_n,
int mb_row,
int mb_col,
int block_index,
int uv_denoise);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP8_ENCODER_DENOISING_H_