123 lines
4.8 KiB
C
123 lines
4.8 KiB
C
/*
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* Copyright (c) 2010 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_VP9_VARIANCE_H_
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#define VP9_ENCODER_VP9_VARIANCE_H_
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#include "vpx/vpx_integer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void variance(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int recon_stride,
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int w,
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int h,
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unsigned int *sse,
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int *sum);
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typedef unsigned int(*vp9_sad_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int ref_stride,
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unsigned int max_sad);
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typedef unsigned int(*vp9_sad_avg_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int ref_stride,
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const uint8_t *second_pred,
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unsigned int max_sad);
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typedef void (*vp9_sad_multi_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int ref_stride,
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unsigned int *sad_array);
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typedef void (*vp9_sad_multi1_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int ref_stride,
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unsigned int *sad_array);
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typedef void (*vp9_sad_multi_d_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t* const ref_ptr[],
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int ref_stride, unsigned int *sad_array);
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typedef unsigned int (*vp9_variance_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int ref_stride,
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unsigned int *sse);
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typedef unsigned int (*vp9_subpixvariance_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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int xoffset,
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int yoffset,
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const uint8_t *ref_ptr,
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int Refstride,
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unsigned int *sse);
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typedef unsigned int (*vp9_subp_avg_variance_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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int xoffset,
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int yoffset,
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const uint8_t *ref_ptr,
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int Refstride,
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unsigned int *sse,
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const uint8_t *second_pred);
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typedef unsigned int (*vp9_getmbss_fn_t)(const short *);
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typedef unsigned int (*vp9_get16x16prederror_fn_t)(const uint8_t *src_ptr,
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int source_stride,
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const uint8_t *ref_ptr,
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int ref_stride);
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typedef struct vp9_variance_vtable {
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vp9_sad_fn_t sdf;
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vp9_sad_avg_fn_t sdaf;
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vp9_variance_fn_t vf;
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vp9_subpixvariance_fn_t svf;
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vp9_subp_avg_variance_fn_t svaf;
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vp9_variance_fn_t svf_halfpix_h;
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vp9_variance_fn_t svf_halfpix_v;
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vp9_variance_fn_t svf_halfpix_hv;
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vp9_sad_multi_fn_t sdx3f;
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vp9_sad_multi1_fn_t sdx8f;
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vp9_sad_multi_d_fn_t sdx4df;
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} vp9_variance_fn_ptr_t;
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static void comp_avg_pred(uint8_t *comp_pred, const uint8_t *pred, int width,
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int height, const uint8_t *ref, int ref_stride) {
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int i, j;
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for (i = 0; i < height; i++) {
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for (j = 0; j < width; j++) {
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int tmp;
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tmp = pred[j] + ref[j];
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comp_pred[j] = (tmp + 1) >> 1;
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}
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comp_pred += width;
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pred += width;
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ref += ref_stride;
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}
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}
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP9_ENCODER_VP9_VARIANCE_H_
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