1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libvpx/vp9/encoder/vp9_variance.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,115 @@
1.4 +/*
1.5 + * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license
1.8 + * that can be found in the LICENSE file in the root of the source
1.9 + * tree. An additional intellectual property rights grant can be found
1.10 + * in the file PATENTS. All contributing project authors may
1.11 + * be found in the AUTHORS file in the root of the source tree.
1.12 + */
1.13 +
1.14 +#ifndef VP9_ENCODER_VP9_VARIANCE_H_
1.15 +#define VP9_ENCODER_VP9_VARIANCE_H_
1.16 +
1.17 +#include "vpx/vpx_integer.h"
1.18 +// #include "./vpx_config.h"
1.19 +
1.20 +void variance(const uint8_t *src_ptr,
1.21 + int source_stride,
1.22 + const uint8_t *ref_ptr,
1.23 + int recon_stride,
1.24 + int w,
1.25 + int h,
1.26 + unsigned int *sse,
1.27 + int *sum);
1.28 +
1.29 +typedef unsigned int(*vp9_sad_fn_t)(const uint8_t *src_ptr,
1.30 + int source_stride,
1.31 + const uint8_t *ref_ptr,
1.32 + int ref_stride,
1.33 + unsigned int max_sad);
1.34 +
1.35 +typedef unsigned int(*vp9_sad_avg_fn_t)(const uint8_t *src_ptr,
1.36 + int source_stride,
1.37 + const uint8_t *ref_ptr,
1.38 + int ref_stride,
1.39 + const uint8_t *second_pred,
1.40 + unsigned int max_sad);
1.41 +
1.42 +typedef void (*vp9_sad_multi_fn_t)(const uint8_t *src_ptr,
1.43 + int source_stride,
1.44 + const uint8_t *ref_ptr,
1.45 + int ref_stride,
1.46 + unsigned int *sad_array);
1.47 +
1.48 +typedef void (*vp9_sad_multi1_fn_t)(const uint8_t *src_ptr,
1.49 + int source_stride,
1.50 + const uint8_t *ref_ptr,
1.51 + int ref_stride,
1.52 + unsigned int *sad_array);
1.53 +
1.54 +typedef void (*vp9_sad_multi_d_fn_t)(const uint8_t *src_ptr,
1.55 + int source_stride,
1.56 + const uint8_t* const ref_ptr[],
1.57 + int ref_stride, unsigned int *sad_array);
1.58 +
1.59 +typedef unsigned int (*vp9_variance_fn_t)(const uint8_t *src_ptr,
1.60 + int source_stride,
1.61 + const uint8_t *ref_ptr,
1.62 + int ref_stride,
1.63 + unsigned int *sse);
1.64 +
1.65 +typedef unsigned int (*vp9_subpixvariance_fn_t)(const uint8_t *src_ptr,
1.66 + int source_stride,
1.67 + int xoffset,
1.68 + int yoffset,
1.69 + const uint8_t *ref_ptr,
1.70 + int Refstride,
1.71 + unsigned int *sse);
1.72 +
1.73 +typedef unsigned int (*vp9_subp_avg_variance_fn_t)(const uint8_t *src_ptr,
1.74 + int source_stride,
1.75 + int xoffset,
1.76 + int yoffset,
1.77 + const uint8_t *ref_ptr,
1.78 + int Refstride,
1.79 + unsigned int *sse,
1.80 + const uint8_t *second_pred);
1.81 +
1.82 +typedef unsigned int (*vp9_getmbss_fn_t)(const short *);
1.83 +
1.84 +typedef unsigned int (*vp9_get16x16prederror_fn_t)(const uint8_t *src_ptr,
1.85 + int source_stride,
1.86 + const uint8_t *ref_ptr,
1.87 + int ref_stride);
1.88 +
1.89 +typedef struct vp9_variance_vtable {
1.90 + vp9_sad_fn_t sdf;
1.91 + vp9_sad_avg_fn_t sdaf;
1.92 + vp9_variance_fn_t vf;
1.93 + vp9_subpixvariance_fn_t svf;
1.94 + vp9_subp_avg_variance_fn_t svaf;
1.95 + vp9_variance_fn_t svf_halfpix_h;
1.96 + vp9_variance_fn_t svf_halfpix_v;
1.97 + vp9_variance_fn_t svf_halfpix_hv;
1.98 + vp9_sad_multi_fn_t sdx3f;
1.99 + vp9_sad_multi1_fn_t sdx8f;
1.100 + vp9_sad_multi_d_fn_t sdx4df;
1.101 +} vp9_variance_fn_ptr_t;
1.102 +
1.103 +static void comp_avg_pred(uint8_t *comp_pred, const uint8_t *pred, int width,
1.104 + int height, const uint8_t *ref, int ref_stride) {
1.105 + int i, j;
1.106 +
1.107 + for (i = 0; i < height; i++) {
1.108 + for (j = 0; j < width; j++) {
1.109 + int tmp;
1.110 + tmp = pred[j] + ref[j];
1.111 + comp_pred[j] = (tmp + 1) >> 1;
1.112 + }
1.113 + comp_pred += width;
1.114 + pred += width;
1.115 + ref += ref_stride;
1.116 + }
1.117 +}
1.118 +#endif // VP9_ENCODER_VP9_VARIANCE_H_
