vpx/vp8/encoder/denoising.h
Stefan Holmer d850034443 Added another denoising threshold for finding DC shifts.
Compares the sum of differences between the input block and the averaged
block. If they differ too much the block will not be filtered. Negligible
perfomance hit.

Change-Id: Ib1c31a265efd4d100b3abc4a1ea6675038c8ddde
2012-05-30 16:50:21 +02:00

51 lines
1.4 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"
#define NOISE_DIFF2_THRESHOLD (75)
#define SUM_DIFF_THRESHOLD (16 * 16 * 2)
enum vp8_denoiser_decision
{
COPY_BLOCK,
FILTER_BLOCK,
};
typedef struct vp8_denoiser
{
YV12_BUFFER_CONFIG yv12_running_avg[MAX_REF_FRAMES];
YV12_BUFFER_CONFIG yv12_mc_running_avg;
} VP8_DENOISER;
int vp8_denoiser_allocate(VP8_DENOISER *denoiser, int width, int height);
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);
union coeff_pair
{
uint32_t as_int;
uint16_t as_short[2];
};
union coeff_pair *vp8_get_filter_coeff_LUT(unsigned int motion_magnitude);
#endif // VP8_ENCODER_DENOISING_H_