1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12 #include "vpx_ports/config.h" 13 #include "recon.h" 14 #include "blockd.h" 15 16 void vp8_recon_b_c 17 ( 18 unsigned char *pred_ptr, 19 short *diff_ptr, 20 unsigned char *dst_ptr, 21 int stride 22 ) 23 { 24 int r, c; 25 26 for (r = 0; r < 4; r++) 27 { 28 for (c = 0; c < 4; c++) 29 { 30 int a = diff_ptr[c] + pred_ptr[c] ; 31 32 if (a < 0) 33 a = 0; 34 35 if (a > 255) 36 a = 255; 37 38 dst_ptr[c] = (unsigned char) a ; 39 } 40 41 dst_ptr += stride; 42 diff_ptr += 16; 43 pred_ptr += 16; 44 } 45 } 46 47 void vp8_recon4b_c 48 ( 49 unsigned char *pred_ptr, 50 short *diff_ptr, 51 unsigned char *dst_ptr, 52 int stride 53 ) 54 { 55 int r, c; 56 57 for (r = 0; r < 4; r++) 58 { 59 for (c = 0; c < 16; c++) 60 { 61 int a = diff_ptr[c] + pred_ptr[c] ; 62 63 if (a < 0) 64 a = 0; 65 66 if (a > 255) 67 a = 255; 68 69 dst_ptr[c] = (unsigned char) a ; 70 } 71 72 dst_ptr += stride; 73 diff_ptr += 16; 74 pred_ptr += 16; 75 } 76 } 77 78 void vp8_recon2b_c 79 ( 80 unsigned char *pred_ptr, 81 short *diff_ptr, 82 unsigned char *dst_ptr, 83 int stride 84 ) 85 { 86 int r, c; 87 88 for (r = 0; r < 4; r++) 89 { 90 for (c = 0; c < 8; c++) 91 { 92 int a = diff_ptr[c] + pred_ptr[c] ; 93 94 if (a < 0) 95 a = 0; 96 97 if (a > 255) 98 a = 255; 99 100 dst_ptr[c] = (unsigned char) a ; 101 } 102 103 dst_ptr += stride; 104 diff_ptr += 8; 105 pred_ptr += 8; 106 } 107 } 108 109 void vp8_recon_mby_c(const vp8_recon_rtcd_vtable_t *rtcd, MACROBLOCKD *x) 110 { 111 #if ARCH_ARM 112 BLOCKD *b = &x->block[0]; 113 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 114 115 /*b = &x->block[4];*/ 116 b += 4; 117 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 118 119 /*b = &x->block[8];*/ 120 b += 4; 121 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 122 123 /*b = &x->block[12];*/ 124 b += 4; 125 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 126 #else 127 int i; 128 129 for (i = 0; i < 16; i += 4) 130 { 131 BLOCKD *b = &x->block[i]; 132 133 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 134 } 135 #endif 136 } 137 138 void vp8_recon_mb_c(const vp8_recon_rtcd_vtable_t *rtcd, MACROBLOCKD *x) 139 { 140 #if ARCH_ARM 141 BLOCKD *b = &x->block[0]; 142 143 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 144 b += 4; 145 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 146 b += 4; 147 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 148 b += 4; 149 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 150 b += 4; 151 152 /*b = &x->block[16];*/ 153 154 RECON_INVOKE(rtcd, recon2)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 155 b++; 156 b++; 157 RECON_INVOKE(rtcd, recon2)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 158 b++; 159 b++; 160 RECON_INVOKE(rtcd, recon2)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 161 b++; 162 b++; 163 RECON_INVOKE(rtcd, recon2)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 164 #else 165 int i; 166 167 for (i = 0; i < 16; i += 4) 168 { 169 BLOCKD *b = &x->block[i]; 170 171 RECON_INVOKE(rtcd, recon4)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 172 } 173 174 for (i = 16; i < 24; i += 2) 175 { 176 BLOCKD *b = &x->block[i]; 177 178 RECON_INVOKE(rtcd, recon2)(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); 179 } 180 #endif 181 } 182
