ref: e7548da489bed380fa6f32308bc9531f9dc7d917
dir: /vpx_dsp/variance.h/
/* * Copyright (c) 2015 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 VPX_VPX_DSP_VARIANCE_H_ #define VPX_VPX_DSP_VARIANCE_H_ #include "./vpx_config.h" #include "vpx/vpx_integer.h" #ifdef __cplusplus extern "C" { #endif #define FILTER_BITS 7 #define FILTER_WEIGHT 128 typedef unsigned int (*vpx_sad_fn_t)(const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride); typedef unsigned int (*vpx_sad_avg_fn_t)(const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, const uint8_t *second_pred); typedef void (*vp8_copy32xn_fn_t)(const uint8_t *src_ptr, int src_stride, uint8_t *ref_ptr, int ref_stride, int n); typedef void (*vpx_sad_multi_fn_t)(const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sad_array); typedef void (*vpx_sad_multi_d_fn_t)(const uint8_t *src_ptr, int src_stride, const uint8_t *const b_array[], int ref_stride, unsigned int *sad_array); typedef unsigned int (*vpx_variance_fn_t)(const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse); typedef unsigned int (*vpx_subpixvariance_fn_t)( const uint8_t *src_ptr, int src_stride, int x_offset, int y_offset, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse); typedef unsigned int (*vpx_subp_avg_variance_fn_t)( const uint8_t *src_ptr, int src_stride, int x_offset, int y_offset, const uint8_t *ref_ptr, int ref_stride, unsigned int *sse, const uint8_t *second_pred); #if CONFIG_VP8 typedef struct variance_vtable { vpx_sad_fn_t sdf; vpx_variance_fn_t vf; vpx_subpixvariance_fn_t svf; vpx_sad_multi_fn_t sdx3f; vpx_sad_multi_fn_t sdx8f; vpx_sad_multi_d_fn_t sdx4df; #if ARCH_X86 || ARCH_X86_64 vp8_copy32xn_fn_t copymem; #endif } vp8_variance_fn_ptr_t; #endif // CONFIG_VP8 #if CONFIG_VP9 typedef struct vp9_variance_vtable { vpx_sad_fn_t sdf; vpx_sad_avg_fn_t sdaf; vpx_variance_fn_t vf; vpx_subpixvariance_fn_t svf; vpx_subp_avg_variance_fn_t svaf; vpx_sad_multi_d_fn_t sdx4df; vpx_sad_multi_fn_t sdx8f; } vp9_variance_fn_ptr_t; #endif // CONFIG_VP9 #ifdef __cplusplus } // extern "C" #endif #endif // VPX_VPX_DSP_VARIANCE_H_