ref: d9050af6835f732b78c325613caf842179def059
dir: /vp9/encoder/vp9_variance.h/
/*
* Copyright (c) 2010 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 VP9_ENCODER_VP9_VARIANCE_H_
#define VP9_ENCODER_VP9_VARIANCE_H_
#include "vpx/vpx_integer.h"
#ifdef __cplusplus
extern "C" {
#endif
void variance(const uint8_t *a, int a_stride,
const uint8_t *b, int b_stride,
int w, int h,
unsigned int *sse, int *sum);
typedef unsigned int(*vp9_sad_fn_t)(const uint8_t *src_ptr,
int source_stride,
const uint8_t *ref_ptr,
int ref_stride);
typedef unsigned int(*vp9_sad_avg_fn_t)(const uint8_t *src_ptr,
int source_stride,
const uint8_t *ref_ptr,
int ref_stride,
const uint8_t *second_pred);
typedef void (*vp9_sad_multi_fn_t)(const uint8_t *src_ptr,
int source_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sad_array);
typedef void (*vp9_sad_multi_d_fn_t)(const uint8_t *src_ptr,
int source_stride,
const uint8_t* const ref_ptr[],
int ref_stride, unsigned int *sad_array);
typedef unsigned int (*vp9_variance_fn_t)(const uint8_t *src_ptr,
int source_stride,
const uint8_t *ref_ptr,
int ref_stride,
unsigned int *sse);
typedef unsigned int (*vp9_subpixvariance_fn_t)(const uint8_t *src_ptr,
int source_stride,
int xoffset,
int yoffset,
const uint8_t *ref_ptr,
int Refstride,
unsigned int *sse);
typedef unsigned int (*vp9_subp_avg_variance_fn_t)(const uint8_t *src_ptr,
int source_stride,
int xoffset,
int yoffset,
const uint8_t *ref_ptr,
int Refstride,
unsigned int *sse,
const uint8_t *second_pred);
typedef struct vp9_variance_vtable {
vp9_sad_fn_t sdf;
vp9_sad_avg_fn_t sdaf;
vp9_variance_fn_t vf;
vp9_subpixvariance_fn_t svf;
vp9_subp_avg_variance_fn_t svaf;
vp9_sad_multi_fn_t sdx3f;
vp9_sad_multi_fn_t sdx8f;
vp9_sad_multi_d_fn_t sdx4df;
} vp9_variance_fn_ptr_t;
void vp9_comp_avg_pred(uint8_t *comp_pred, const uint8_t *pred, int width,
int height, const uint8_t *ref, int ref_stride);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_ENCODER_VP9_VARIANCE_H_