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1 /*
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2 * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
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3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
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4 *
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5 * This file is part of FFmpeg.
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6 *
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7 * FFmpeg is free software; you can redistribute it and/or
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8 * modify it under the terms of the GNU Lesser General Public
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9 * License as published by the Free Software Foundation; either
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10 * version 2.1 of the License, or (at your option) any later version.
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11 *
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12 * FFmpeg is distributed in the hope that it will be useful,
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13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with FFmpeg; if not, write to the Free Software
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19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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20 */
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21
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22 /**
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23 * @file
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24 * H.264 / AVC / MPEG4 part10 prediction functions.
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25 * @author Michael Niedermayer <michaelni@gmx.at>
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26 */
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27
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28 #include "avcodec.h"
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29 #include "h264_pred.h"
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30 //#include "dsputil.h"
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31
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32 static void pred4x4_vertical_c(uint8_t *src, uint8_t *topright, int stride){
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33 (void) topright;
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34 const uint32_t a= ((uint32_t*)(src-stride))[0];
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35 ((uint32_t*)(src+0*stride))[0]= a;
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36 ((uint32_t*)(src+1*stride))[0]= a;
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37 ((uint32_t*)(src+2*stride))[0]= a;
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38 ((uint32_t*)(src+3*stride))[0]= a;
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39 }
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40
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41 static void pred4x4_horizontal_c(uint8_t *src, uint8_t *topright, int stride){
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42 (void) topright;
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43 ((uint32_t*)(src+0*stride))[0]= src[-1+0*stride]*0x01010101;
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44 ((uint32_t*)(src+1*stride))[0]= src[-1+1*stride]*0x01010101;
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45 ((uint32_t*)(src+2*stride))[0]= src[-1+2*stride]*0x01010101;
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46 ((uint32_t*)(src+3*stride))[0]= src[-1+3*stride]*0x01010101;
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47 }
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48
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49 static void pred4x4_dc_c(uint8_t *src, uint8_t *topright, int stride){
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50 (void) topright;
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51 const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride]
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52 + src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 4) >>3;
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53
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54 ((uint32_t*)(src+0*stride))[0]=
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55 ((uint32_t*)(src+1*stride))[0]=
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56 ((uint32_t*)(src+2*stride))[0]=
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57 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
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58 }
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59
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60 static void pred4x4_left_dc_c(uint8_t *src, uint8_t *topright, int stride){
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61 (void) topright;
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62 const int dc= ( src[-1+0*stride] + src[-1+1*stride] + src[-1+2*stride] + src[-1+3*stride] + 2) >>2;
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63
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64 ((uint32_t*)(src+0*stride))[0]=
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65 ((uint32_t*)(src+1*stride))[0]=
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66 ((uint32_t*)(src+2*stride))[0]=
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67 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
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68 }
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69
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70 static void pred4x4_top_dc_c(uint8_t *src, uint8_t *topright, int stride){
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71 (void) topright;
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72 const int dc= ( src[-stride] + src[1-stride] + src[2-stride] + src[3-stride] + 2) >>2;
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73
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74 ((uint32_t*)(src+0*stride))[0]=
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75 ((uint32_t*)(src+1*stride))[0]=
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76 ((uint32_t*)(src+2*stride))[0]=
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77 ((uint32_t*)(src+3*stride))[0]= dc* 0x01010101;
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78 }
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79
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80 static void pred4x4_128_dc_c(uint8_t *src, uint8_t *topright, int stride){
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81 (void) topright;
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82 ((uint32_t*)(src+0*stride))[0]=
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83 ((uint32_t*)(src+1*stride))[0]=
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84 ((uint32_t*)(src+2*stride))[0]=
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85 ((uint32_t*)(src+3*stride))[0]= 128U*0x01010101U;
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86 }
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87
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88
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89 #define LOAD_TOP_RIGHT_EDGE\
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90 const int av_unused t4= topright[0];\
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91 const int av_unused t5= topright[1];\
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92 const int av_unused t6= topright[2];\
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93 const int av_unused t7= topright[3];\
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94
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95 #define LOAD_DOWN_LEFT_EDGE\
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96 const int av_unused l4= src[-1+4*stride];\
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97 const int av_unused l5= src[-1+5*stride];\
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98 const int av_unused l6= src[-1+6*stride];\
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99 const int av_unused l7= src[-1+7*stride];\
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100
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101 #define LOAD_LEFT_EDGE\
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102 const int av_unused l0= src[-1+0*stride];\
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103 const int av_unused l1= src[-1+1*stride];\
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104 const int av_unused l2= src[-1+2*stride];\
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105 const int av_unused l3= src[-1+3*stride];\
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106
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107 #define LOAD_TOP_EDGE\
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108 const int av_unused t0= src[ 0-1*stride];\
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109 const int av_unused t1= src[ 1-1*stride];\
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110 const int av_unused t2= src[ 2-1*stride];\
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111 const int av_unused t3= src[ 3-1*stride];\
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112
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113 static void pred4x4_down_right_c(uint8_t *src, uint8_t *topright, int stride){
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114 (void) topright;
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115 const int lt= src[-1-1*stride];
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116 LOAD_TOP_EDGE
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117 LOAD_LEFT_EDGE
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118
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119 src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
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120 src[0+2*stride]=
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121 src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
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122 src[0+1*stride]=
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123 src[1+2*stride]=
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124 src[2+3*stride]=(l1 + 2*l0 + lt + 2)>>2;
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125 src[0+0*stride]=
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126 src[1+1*stride]=
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127 src[2+2*stride]=
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128 src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
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129 src[1+0*stride]=
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130 src[2+1*stride]=
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131 src[3+2*stride]=(lt + 2*t0 + t1 + 2)>>2;
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132 src[2+0*stride]=
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133 src[3+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
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134 src[3+0*stride]=(t1 + 2*t2 + t3 + 2)>>2;
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135 }
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136
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137 static void pred4x4_down_left_c(uint8_t *src, uint8_t *topright, int stride){
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138 LOAD_TOP_EDGE
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139 LOAD_TOP_RIGHT_EDGE
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140 // LOAD_LEFT_EDGE
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141
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142 src[0+0*stride]=(t0 + t2 + 2*t1 + 2)>>2;
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143 src[1+0*stride]=
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144 src[0+1*stride]=(t1 + t3 + 2*t2 + 2)>>2;
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145 src[2+0*stride]=
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146 src[1+1*stride]=
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147 src[0+2*stride]=(t2 + t4 + 2*t3 + 2)>>2;
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148 src[3+0*stride]=
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149 src[2+1*stride]=
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150 src[1+2*stride]=
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151 src[0+3*stride]=(t3 + t5 + 2*t4 + 2)>>2;
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152 src[3+1*stride]=
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153 src[2+2*stride]=
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154 src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
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155 src[3+2*stride]=
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156 src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
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157 src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
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158 }
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159
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160 static void pred4x4_vertical_right_c(uint8_t *src, uint8_t *topright, int stride){
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161 (void) topright;
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162 const int lt= src[-1-1*stride];
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163 LOAD_TOP_EDGE
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164 LOAD_LEFT_EDGE
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165
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166 src[0+0*stride]=
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167 src[1+2*stride]=(lt + t0 + 1)>>1;
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168 src[1+0*stride]=
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169 src[2+2*stride]=(t0 + t1 + 1)>>1;
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170 src[2+0*stride]=
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171 src[3+2*stride]=(t1 + t2 + 1)>>1;
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172 src[3+0*stride]=(t2 + t3 + 1)>>1;
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173 src[0+1*stride]=
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174 src[1+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
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175 src[1+1*stride]=
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176 src[2+3*stride]=(lt + 2*t0 + t1 + 2)>>2;
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177 src[2+1*stride]=
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178 src[3+3*stride]=(t0 + 2*t1 + t2 + 2)>>2;
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179 src[3+1*stride]=(t1 + 2*t2 + t3 + 2)>>2;
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180 src[0+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
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181 src[0+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
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182 }
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183
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184 static void pred4x4_vertical_left_c(uint8_t *src, uint8_t *topright, int stride){
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185 LOAD_TOP_EDGE
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186 LOAD_TOP_RIGHT_EDGE
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187
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188 src[0+0*stride]=(t0 + t1 + 1)>>1;
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189 src[1+0*stride]=
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190 src[0+2*stride]=(t1 + t2 + 1)>>1;
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191 src[2+0*stride]=
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192 src[1+2*stride]=(t2 + t3 + 1)>>1;
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193 src[3+0*stride]=
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194 src[2+2*stride]=(t3 + t4+ 1)>>1;
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195 src[3+2*stride]=(t4 + t5+ 1)>>1;
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196 src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
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197 src[1+1*stride]=
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198 src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
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199 src[2+1*stride]=
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200 src[1+3*stride]=(t2 + 2*t3 + t4 + 2)>>2;
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201 src[3+1*stride]=
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202 src[2+3*stride]=(t3 + 2*t4 + t5 + 2)>>2;
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203 src[3+3*stride]=(t4 + 2*t5 + t6 + 2)>>2;
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204 }
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205
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206 static void pred4x4_horizontal_up_c(uint8_t *src, uint8_t *topright, int stride){
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207 (void) topright;
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208 LOAD_LEFT_EDGE
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209
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210 src[0+0*stride]=(l0 + l1 + 1)>>1;
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211 src[1+0*stride]=(l0 + 2*l1 + l2 + 2)>>2;
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212 src[2+0*stride]=
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213 src[0+1*stride]=(l1 + l2 + 1)>>1;
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214 src[3+0*stride]=
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215 src[1+1*stride]=(l1 + 2*l2 + l3 + 2)>>2;
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216 src[2+1*stride]=
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217 src[0+2*stride]=(l2 + l3 + 1)>>1;
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218 src[3+1*stride]=
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219 src[1+2*stride]=(l2 + 2*l3 + l3 + 2)>>2;
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220 src[3+2*stride]=
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221 src[1+3*stride]=
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222 src[0+3*stride]=
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223 src[2+2*stride]=
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224 src[2+3*stride]=
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225 src[3+3*stride]=l3;
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226 }
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227
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228
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229 static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int stride){
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230 (void) topright;
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231 const int lt= src[-1-1*stride];
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232 LOAD_TOP_EDGE
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233 LOAD_LEFT_EDGE
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234
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235 src[0+0*stride]=
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236 src[2+1*stride]=(lt + l0 + 1)>>1;
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237 src[1+0*stride]=
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238 src[3+1*stride]=(l0 + 2*lt + t0 + 2)>>2;
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239 src[2+0*stride]=(lt + 2*t0 + t1 + 2)>>2;
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240 src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
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241 src[0+1*stride]=
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242 src[2+2*stride]=(l0 + l1 + 1)>>1;
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243 src[1+1*stride]=
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244 src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
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245 src[0+2*stride]=
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246 src[2+3*stride]=(l1 + l2+ 1)>>1;
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247 src[1+2*stride]=
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248 src[3+3*stride]=(l0 + 2*l1 + l2 + 2)>>2;
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249 src[0+3*stride]=(l2 + l3 + 1)>>1;
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250 src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
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251 }
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252
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253 static void pred16x16_vertical_c(uint8_t *src, int stride){
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|
254 int i;
|
|
nengel@2
|
255 const uint32_t a= ((uint32_t*)(src-stride))[0];
|
|
nengel@2
|
256 const uint32_t b= ((uint32_t*)(src-stride))[1];
|
|
nengel@2
|
257 const uint32_t c= ((uint32_t*)(src-stride))[2];
|
|
nengel@2
|
258 const uint32_t d= ((uint32_t*)(src-stride))[3];
|
|
nengel@2
|
259
|
|
nengel@2
|
260 for(i=0; i<16; i++){
|
|
nengel@2
|
261 ((uint32_t*)(src+i*stride))[0]= a;
|
|
nengel@2
|
262 ((uint32_t*)(src+i*stride))[1]= b;
|
|
nengel@2
|
263 ((uint32_t*)(src+i*stride))[2]= c;
|
|
nengel@2
|
264 ((uint32_t*)(src+i*stride))[3]= d;
|
|
nengel@2
|
265 }
|
|
nengel@2
|
266 }
|
|
nengel@2
|
267
|
|
nengel@2
|
268 static void pred16x16_horizontal_c(uint8_t *src, int stride){
|
|
nengel@2
|
269 int i;
|
|
nengel@2
|
270
|
|
nengel@2
|
271 for(i=0; i<16; i++){
|
|
nengel@2
|
272 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
273 ((uint32_t*)(src+i*stride))[1]=
|
|
nengel@2
|
274 ((uint32_t*)(src+i*stride))[2]=
|
|
nengel@2
|
275 ((uint32_t*)(src+i*stride))[3]= src[-1+i*stride]*0x01010101;
|
|
nengel@2
|
276 }
|
|
nengel@2
|
277 }
|
|
nengel@2
|
278
|
|
nengel@2
|
279 static void pred16x16_dc_c(uint8_t *src, int stride){
|
|
nengel@2
|
280 int i, dc=0;
|
|
nengel@2
|
281
|
|
nengel@2
|
282 for(i=0;i<16; i++){
|
|
nengel@2
|
283 dc+= src[-1+i*stride];
|
|
nengel@2
|
284 }
|
|
nengel@2
|
285
|
|
nengel@2
|
286 for(i=0;i<16; i++){
|
|
nengel@2
|
287 dc+= src[i-stride];
|
|
nengel@2
|
288 }
|
|
nengel@2
|
289
|
|
nengel@2
|
290 dc= 0x01010101*((dc + 16)>>5);
|
|
nengel@2
|
291
|
|
nengel@2
|
292 for(i=0; i<16; i++){
|
|
nengel@2
|
293 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
294 ((uint32_t*)(src+i*stride))[1]=
|
|
nengel@2
|
295 ((uint32_t*)(src+i*stride))[2]=
|
|
nengel@2
|
296 ((uint32_t*)(src+i*stride))[3]= dc;
|
|
nengel@2
|
297 }
|
|
nengel@2
|
298 }
|
|
nengel@2
|
299
|
|
nengel@2
|
300 static void pred16x16_left_dc_c(uint8_t *src, int stride){
|
|
nengel@2
|
301 int i, dc=0;
|
|
nengel@2
|
302
|
|
nengel@2
|
303 for(i=0;i<16; i++){
|
|
nengel@2
|
304 dc+= src[-1+i*stride];
|
|
nengel@2
|
305 }
|
|
nengel@2
|
306
|
|
nengel@2
|
307 dc= 0x01010101*((dc + 8)>>4);
|
|
nengel@2
|
308
|
|
nengel@2
|
309 for(i=0; i<16; i++){
|
|
nengel@2
|
310 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
311 ((uint32_t*)(src+i*stride))[1]=
|
|
nengel@2
|
312 ((uint32_t*)(src+i*stride))[2]=
|
|
nengel@2
|
313 ((uint32_t*)(src+i*stride))[3]= dc;
|
|
nengel@2
|
314 }
|
|
nengel@2
|
315 }
|
|
nengel@2
|
316
|
|
nengel@2
|
317 static void pred16x16_top_dc_c(uint8_t *src, int stride){
|
|
nengel@2
|
318 int i, dc=0;
|
|
nengel@2
|
319
|
|
nengel@2
|
320 for(i=0;i<16; i++){
|
|
nengel@2
|
321 dc+= src[i-stride];
|
|
nengel@2
|
322 }
|
|
nengel@2
|
323 dc= 0x01010101*((dc + 8)>>4);
|
|
nengel@2
|
324
|
|
nengel@2
|
325 for(i=0; i<16; i++){
|
|
nengel@2
|
326 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
327 ((uint32_t*)(src+i*stride))[1]=
|
|
nengel@2
|
328 ((uint32_t*)(src+i*stride))[2]=
|
|
nengel@2
|
329 ((uint32_t*)(src+i*stride))[3]= dc;
|
|
nengel@2
|
330 }
|
|
nengel@2
|
331 }
|
|
nengel@2
|
332
|
|
nengel@2
|
333 static void pred16x16_128_dc_c(uint8_t *src, int stride){
|
|
nengel@2
|
334 int i;
|
|
nengel@2
|
335
|
|
nengel@2
|
336 for(i=0; i<16; i++){
|
|
nengel@2
|
337 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
338 ((uint32_t*)(src+i*stride))[1]=
|
|
nengel@2
|
339 ((uint32_t*)(src+i*stride))[2]=
|
|
nengel@2
|
340 ((uint32_t*)(src+i*stride))[3]= 0x01010101U*128U;
|
|
nengel@2
|
341 }
|
|
nengel@2
|
342 }
|
|
nengel@2
|
343
|
|
nengel@2
|
344 static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3, const int rv40){
|
|
nengel@2
|
345 int i, j, k;
|
|
nengel@2
|
346 int a;
|
|
nengel@2
|
347 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
|
|
nengel@2
|
348 const uint8_t * const src0 = src+7-stride;
|
|
nengel@2
|
349 const uint8_t *src1 = src+8*stride-1;
|
|
nengel@2
|
350 const uint8_t *src2 = src1-2*stride; // == src+6*stride-1;
|
|
nengel@2
|
351 int H = src0[1] - src0[-1];
|
|
nengel@2
|
352 int V = src1[0] - src2[ 0];
|
|
nengel@2
|
353 for(k=2; k<=8; ++k) {
|
|
nengel@2
|
354 src1 += stride; src2 -= stride;
|
|
nengel@2
|
355 H += k*(src0[k] - src0[-k]);
|
|
nengel@2
|
356 V += k*(src1[0] - src2[ 0]);
|
|
nengel@2
|
357 }
|
|
nengel@2
|
358 if(svq3){
|
|
nengel@2
|
359 H = ( 5*(H/4) ) / 16;
|
|
nengel@2
|
360 V = ( 5*(V/4) ) / 16;
|
|
nengel@2
|
361
|
|
nengel@2
|
362 /* required for 100% accuracy */
|
|
nengel@2
|
363 i = H; H = V; V = i;
|
|
nengel@2
|
364 }else if(rv40){
|
|
nengel@2
|
365 H = ( H + (H>>2) ) >> 4;
|
|
nengel@2
|
366 V = ( V + (V>>2) ) >> 4;
|
|
nengel@2
|
367 }else{
|
|
nengel@2
|
368 H = ( 5*H+32 ) >> 6;
|
|
nengel@2
|
369 V = ( 5*V+32 ) >> 6;
|
|
nengel@2
|
370 }
|
|
nengel@2
|
371
|
|
nengel@2
|
372 a = 16*(src1[0] + src2[16] + 1) - 7*(V+H);
|
|
nengel@2
|
373 for(j=16; j>0; --j) {
|
|
nengel@2
|
374 int b = a;
|
|
nengel@2
|
375 a += V;
|
|
nengel@2
|
376 for(i=-16; i<0; i+=4) {
|
|
nengel@2
|
377 src[16+i] = cm[ (b ) >> 5 ];
|
|
nengel@2
|
378 src[17+i] = cm[ (b+ H) >> 5 ];
|
|
nengel@2
|
379 src[18+i] = cm[ (b+2*H) >> 5 ];
|
|
nengel@2
|
380 src[19+i] = cm[ (b+3*H) >> 5 ];
|
|
nengel@2
|
381 b += 4*H;
|
|
nengel@2
|
382 }
|
|
nengel@2
|
383 src += stride;
|
|
nengel@2
|
384 }
|
|
nengel@2
|
385 }
|
|
nengel@2
|
386
|
|
nengel@2
|
387 static void pred16x16_plane_c(uint8_t *src, int stride){
|
|
nengel@2
|
388 pred16x16_plane_compat_c(src, stride, 0, 0);
|
|
nengel@2
|
389 }
|
|
nengel@2
|
390
|
|
nengel@2
|
391
|
|
nengel@2
|
392 static void pred8x8_vertical_c(uint8_t *src, int stride){
|
|
nengel@2
|
393 int i;
|
|
nengel@2
|
394 const uint32_t a= ((uint32_t*)(src-stride))[0];
|
|
nengel@2
|
395 const uint32_t b= ((uint32_t*)(src-stride))[1];
|
|
nengel@2
|
396
|
|
nengel@2
|
397 for(i=0; i<8; i++){
|
|
nengel@2
|
398 ((uint32_t*)(src+i*stride))[0]= a;
|
|
nengel@2
|
399 ((uint32_t*)(src+i*stride))[1]= b;
|
|
nengel@2
|
400 }
|
|
nengel@2
|
401 }
|
|
nengel@2
|
402
|
|
nengel@2
|
403 static void pred8x8_horizontal_c(uint8_t *src, int stride){
|
|
nengel@2
|
404 int i;
|
|
nengel@2
|
405
|
|
nengel@2
|
406 for(i=0; i<8; i++){
|
|
nengel@2
|
407 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
408 ((uint32_t*)(src+i*stride))[1]= src[-1+i*stride]*0x01010101;
|
|
nengel@2
|
409 }
|
|
nengel@2
|
410 }
|
|
nengel@2
|
411
|
|
nengel@2
|
412 static void pred8x8_128_dc_c(uint8_t *src, int stride){
|
|
nengel@2
|
413 int i;
|
|
nengel@2
|
414
|
|
nengel@2
|
415 for(i=0; i<8; i++){
|
|
nengel@2
|
416 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
417 ((uint32_t*)(src+i*stride))[1]= 0x01010101U*128U;
|
|
nengel@2
|
418 }
|
|
nengel@2
|
419 }
|
|
nengel@2
|
420
|
|
nengel@2
|
421 static void pred8x8_left_dc_c(uint8_t *src, int stride){
|
|
nengel@2
|
422 int i;
|
|
nengel@2
|
423 int dc0, dc2;
|
|
nengel@2
|
424
|
|
nengel@2
|
425 dc0=dc2=0;
|
|
nengel@2
|
426 for(i=0;i<4; i++){
|
|
nengel@2
|
427 dc0+= src[-1+i*stride];
|
|
nengel@2
|
428 dc2+= src[-1+(i+4)*stride];
|
|
nengel@2
|
429 }
|
|
nengel@2
|
430 dc0= 0x01010101*((dc0 + 2)>>2);
|
|
nengel@2
|
431 dc2= 0x01010101*((dc2 + 2)>>2);
|
|
nengel@2
|
432
|
|
nengel@2
|
433 for(i=0; i<4; i++){
|
|
nengel@2
|
434 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
435 ((uint32_t*)(src+i*stride))[1]= dc0;
|
|
nengel@2
|
436 }
|
|
nengel@2
|
437 for(i=4; i<8; i++){
|
|
nengel@2
|
438 ((uint32_t*)(src+i*stride))[0]=
|
|
nengel@2
|
439 ((uint32_t*)(src+i*stride))[1]= dc2;
|
|
nengel@2
|
440 }
|
|
nengel@2
|
441 }
|
|
nengel@2
|
442
|
|
nengel@2
|
443
|
|
nengel@2
|
444 static void pred8x8_top_dc_c(uint8_t *src, int stride){
|
|
nengel@2
|
445 int i;
|
|
nengel@2
|
446 int dc0, dc1;
|
|
nengel@2
|
447
|
|
nengel@2
|
448 dc0=dc1=0;
|
|
nengel@2
|
449 for(i=0;i<4; i++){
|
|
nengel@2
|
450 dc0+= src[i-stride];
|
|
nengel@2
|
451 dc1+= src[4+i-stride];
|
|
nengel@2
|
452 }
|
|
nengel@2
|
453 dc0= 0x01010101*((dc0 + 2)>>2);
|
|
nengel@2
|
454 dc1= 0x01010101*((dc1 + 2)>>2);
|
|
nengel@2
|
455
|
|
nengel@2
|
456 for(i=0; i<4; i++){
|
|
nengel@2
|
457 ((uint32_t*)(src+i*stride))[0]= dc0;
|
|
nengel@2
|
458 ((uint32_t*)(src+i*stride))[1]= dc1;
|
|
nengel@2
|
459 }
|
|
nengel@2
|
460 for(i=4; i<8; i++){
|
|
nengel@2
|
461 ((uint32_t*)(src+i*stride))[0]= dc0;
|
|
nengel@2
|
462 ((uint32_t*)(src+i*stride))[1]= dc1;
|
|
nengel@2
|
463 }
|
|
nengel@2
|
464 }
|
|
nengel@2
|
465
|
|
nengel@2
|
466 static void pred8x8_dc_c(uint8_t *src, int stride){
|
|
nengel@2
|
467 int i;
|
|
nengel@2
|
468 int dc0, dc1, dc2, dc3;
|
|
nengel@2
|
469
|
|
nengel@2
|
470 dc0=dc1=dc2=0;
|
|
nengel@2
|
471 for(i=0;i<4; i++){
|
|
nengel@2
|
472 dc0+= src[-1+i*stride] + src[i-stride];
|
|
nengel@2
|
473 dc1+= src[4+i-stride];
|
|
nengel@2
|
474 dc2+= src[-1+(i+4)*stride];
|
|
nengel@2
|
475 }
|
|
nengel@2
|
476 dc3= 0x01010101*((dc1 + dc2 + 4)>>3);
|
|
nengel@2
|
477 dc0= 0x01010101*((dc0 + 4)>>3);
|
|
nengel@2
|
478 dc1= 0x01010101*((dc1 + 2)>>2);
|
|
nengel@2
|
479 dc2= 0x01010101*((dc2 + 2)>>2);
|
|
nengel@2
|
480
|
|
nengel@2
|
481 for(i=0; i<4; i++){
|
|
nengel@2
|
482 ((uint32_t*)(src+i*stride))[0]= dc0;
|
|
nengel@2
|
483 ((uint32_t*)(src+i*stride))[1]= dc1;
|
|
nengel@2
|
484 }
|
|
nengel@2
|
485 for(i=4; i<8; i++){
|
|
nengel@2
|
486 ((uint32_t*)(src+i*stride))[0]= dc2;
|
|
nengel@2
|
487 ((uint32_t*)(src+i*stride))[1]= dc3;
|
|
nengel@2
|
488 }
|
|
nengel@2
|
489 }
|
|
nengel@2
|
490
|
|
nengel@2
|
491 //the following 4 function should not be optimized!
|
|
nengel@2
|
492 static void pred8x8_mad_cow_dc_l0t(uint8_t *src, int stride){
|
|
nengel@2
|
493 pred8x8_top_dc_c(src, stride);
|
|
nengel@2
|
494 pred4x4_dc_c(src, NULL, stride);
|
|
nengel@2
|
495 }
|
|
nengel@2
|
496
|
|
nengel@2
|
497 static void pred8x8_mad_cow_dc_0lt(uint8_t *src, int stride){
|
|
nengel@2
|
498 pred8x8_dc_c(src, stride);
|
|
nengel@2
|
499 pred4x4_top_dc_c(src, NULL, stride);
|
|
nengel@2
|
500 }
|
|
nengel@2
|
501
|
|
nengel@2
|
502 static void pred8x8_mad_cow_dc_l00(uint8_t *src, int stride){
|
|
nengel@2
|
503 pred8x8_left_dc_c(src, stride);
|
|
nengel@2
|
504 pred4x4_128_dc_c(src + 4*stride , NULL, stride);
|
|
nengel@2
|
505 pred4x4_128_dc_c(src + 4*stride + 4, NULL, stride);
|
|
nengel@2
|
506 }
|
|
nengel@2
|
507
|
|
nengel@2
|
508 static void pred8x8_mad_cow_dc_0l0(uint8_t *src, int stride){
|
|
nengel@2
|
509 pred8x8_left_dc_c(src, stride);
|
|
nengel@2
|
510 pred4x4_128_dc_c(src , NULL, stride);
|
|
nengel@2
|
511 pred4x4_128_dc_c(src + 4, NULL, stride);
|
|
nengel@2
|
512 }
|
|
nengel@2
|
513
|
|
nengel@2
|
514 static void pred8x8_plane_c(uint8_t *src, int stride){
|
|
nengel@2
|
515 int j, k;
|
|
nengel@2
|
516 int a;
|
|
nengel@2
|
517 uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
|
|
nengel@2
|
518 const uint8_t * const src0 = src+3-stride;
|
|
nengel@2
|
519 const uint8_t *src1 = src+4*stride-1;
|
|
nengel@2
|
520 const uint8_t *src2 = src1-2*stride; // == src+2*stride-1;
|
|
nengel@2
|
521 int H = src0[1] - src0[-1];
|
|
nengel@2
|
522 int V = src1[0] - src2[ 0];
|
|
nengel@2
|
523 for(k=2; k<=4; ++k) {
|
|
nengel@2
|
524 src1 += stride; src2 -= stride;
|
|
nengel@2
|
525 H += k*(src0[k] - src0[-k]);
|
|
nengel@2
|
526 V += k*(src1[0] - src2[ 0]);
|
|
nengel@2
|
527 }
|
|
nengel@2
|
528 H = ( 17*H+16 ) >> 5;
|
|
nengel@2
|
529 V = ( 17*V+16 ) >> 5;
|
|
nengel@2
|
530
|
|
nengel@2
|
531 a = 16*(src1[0] + src2[8]+1) - 3*(V+H);
|
|
nengel@2
|
532 for(j=8; j>0; --j) {
|
|
nengel@2
|
533 int b = a;
|
|
nengel@2
|
534 a += V;
|
|
nengel@2
|
535 src[0] = cm[ (b ) >> 5 ];
|
|
nengel@2
|
536 src[1] = cm[ (b+ H) >> 5 ];
|
|
nengel@2
|
537 src[2] = cm[ (b+2*H) >> 5 ];
|
|
nengel@2
|
538 src[3] = cm[ (b+3*H) >> 5 ];
|
|
nengel@2
|
539 src[4] = cm[ (b+4*H) >> 5 ];
|
|
nengel@2
|
540 src[5] = cm[ (b+5*H) >> 5 ];
|
|
nengel@2
|
541 src[6] = cm[ (b+6*H) >> 5 ];
|
|
nengel@2
|
542 src[7] = cm[ (b+7*H) >> 5 ];
|
|
nengel@2
|
543 src += stride;
|
|
nengel@2
|
544 }
|
|
nengel@2
|
545 }
|
|
nengel@2
|
546
|
|
nengel@2
|
547 #define SRC(x,y) src[(x)+(y)*stride]
|
|
nengel@2
|
548 #define PL(y) \
|
|
nengel@2
|
549 const int l##y = (SRC(-1,y-1) + 2*SRC(-1,y) + SRC(-1,y+1) + 2) >> 2;
|
|
nengel@2
|
550 #define PREDICT_8x8_LOAD_LEFT \
|
|
nengel@2
|
551 const int l0 = ((has_topleft ? SRC(-1,-1) : SRC(-1,0)) \
|
|
nengel@2
|
552 + 2*SRC(-1,0) + SRC(-1,1) + 2) >> 2; \
|
|
nengel@2
|
553 PL(1) PL(2) PL(3) PL(4) PL(5) PL(6) \
|
|
nengel@2
|
554 const int l7 av_unused = (SRC(-1,6) + 3*SRC(-1,7) + 2) >> 2
|
|
nengel@2
|
555
|
|
nengel@2
|
556 #define PT(x) \
|
|
nengel@2
|
557 const int t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
|
|
nengel@2
|
558 #define PREDICT_8x8_LOAD_TOP \
|
|
nengel@2
|
559 const int t0 = ((has_topleft ? SRC(-1,-1) : SRC(0,-1)) \
|
|
nengel@2
|
560 + 2*SRC(0,-1) + SRC(1,-1) + 2) >> 2; \
|
|
nengel@2
|
561 PT(1) PT(2) PT(3) PT(4) PT(5) PT(6) \
|
|
nengel@2
|
562 const int t7 av_unused = ((has_topright ? SRC(8,-1) : SRC(7,-1)) \
|
|
nengel@2
|
563 + 2*SRC(7,-1) + SRC(6,-1) + 2) >> 2
|
|
nengel@2
|
564
|
|
nengel@2
|
565 #define PTR(x) \
|
|
nengel@2
|
566 t##x = (SRC(x-1,-1) + 2*SRC(x,-1) + SRC(x+1,-1) + 2) >> 2;
|
|
nengel@2
|
567 #define PREDICT_8x8_LOAD_TOPRIGHT \
|
|
nengel@2
|
568 int t8, t9, t10, t11, t12, t13, t14, t15; \
|
|
nengel@2
|
569 if(has_topright) { \
|
|
nengel@2
|
570 PTR(8) PTR(9) PTR(10) PTR(11) PTR(12) PTR(13) PTR(14) \
|
|
nengel@2
|
571 t15 = (SRC(14,-1) + 3*SRC(15,-1) + 2) >> 2; \
|
|
nengel@2
|
572 } else t8=t9=t10=t11=t12=t13=t14=t15= SRC(7,-1);
|
|
nengel@2
|
573
|
|
nengel@2
|
574 #define PREDICT_8x8_LOAD_TOPLEFT \
|
|
nengel@2
|
575 const int lt = (SRC(-1,0) + 2*SRC(-1,-1) + SRC(0,-1) + 2) >> 2
|
|
nengel@2
|
576
|
|
nengel@2
|
577 #define PREDICT_8x8_DC(v) \
|
|
nengel@2
|
578 int y; \
|
|
nengel@2
|
579 for( y = 0; y < 8; y++ ) { \
|
|
nengel@2
|
580 ((uint32_t*)src)[0] = \
|
|
nengel@2
|
581 ((uint32_t*)src)[1] = v; \
|
|
nengel@2
|
582 src += stride; \
|
|
nengel@2
|
583 }
|
|
nengel@2
|
584
|
|
nengel@2
|
585 static void pred8x8l_128_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
586 (void) has_topleft; (void) has_topright;
|
|
nengel@2
|
587 PREDICT_8x8_DC(0x80808080);
|
|
nengel@2
|
588 }
|
|
nengel@2
|
589
|
|
nengel@2
|
590 static void pred8x8l_left_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
591 (void) has_topleft; (void) has_topright;
|
|
nengel@2
|
592 PREDICT_8x8_LOAD_LEFT;
|
|
nengel@2
|
593 const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7+4) >> 3) * 0x01010101;
|
|
nengel@2
|
594 PREDICT_8x8_DC(dc);
|
|
nengel@2
|
595 }
|
|
nengel@2
|
596
|
|
nengel@2
|
597 static void pred8x8l_top_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
598 PREDICT_8x8_LOAD_TOP;
|
|
nengel@2
|
599 const uint32_t dc = ((t0+t1+t2+t3+t4+t5+t6+t7+4) >> 3) * 0x01010101;
|
|
nengel@2
|
600 PREDICT_8x8_DC(dc);
|
|
nengel@2
|
601 }
|
|
nengel@2
|
602
|
|
nengel@2
|
603 static void pred8x8l_dc_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
604 PREDICT_8x8_LOAD_LEFT;
|
|
nengel@2
|
605 PREDICT_8x8_LOAD_TOP;
|
|
nengel@2
|
606 const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
|
|
nengel@2
|
607 +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
|
|
nengel@2
|
608 PREDICT_8x8_DC(dc);
|
|
nengel@2
|
609 }
|
|
nengel@2
|
610
|
|
nengel@2
|
611 static void pred8x8l_horizontal_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
612 (void) has_topleft; (void) has_topright;
|
|
nengel@2
|
613 PREDICT_8x8_LOAD_LEFT;
|
|
nengel@2
|
614 #define ROW(y) ((uint32_t*)(src+y*stride))[0] =\
|
|
nengel@2
|
615 ((uint32_t*)(src+y*stride))[1] = 0x01010101 * l##y
|
|
nengel@2
|
616 ROW(0); ROW(1); ROW(2); ROW(3); ROW(4); ROW(5); ROW(6); ROW(7);
|
|
nengel@2
|
617 #undef ROW
|
|
nengel@2
|
618 }
|
|
nengel@2
|
619
|
|
nengel@2
|
620 static void pred8x8l_vertical_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
621 int y;
|
|
nengel@2
|
622 PREDICT_8x8_LOAD_TOP;
|
|
nengel@2
|
623 src[0] = t0;
|
|
nengel@2
|
624 src[1] = t1;
|
|
nengel@2
|
625 src[2] = t2;
|
|
nengel@2
|
626 src[3] = t3;
|
|
nengel@2
|
627 src[4] = t4;
|
|
nengel@2
|
628 src[5] = t5;
|
|
nengel@2
|
629 src[6] = t6;
|
|
nengel@2
|
630 src[7] = t7;
|
|
nengel@2
|
631 for( y = 1; y < 8; y++ )
|
|
nengel@2
|
632 *(uint64_t*)(src+y*stride) = *(uint64_t*)src;
|
|
nengel@2
|
633 }
|
|
nengel@2
|
634
|
|
nengel@2
|
635 static void pred8x8l_down_left_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
636 PREDICT_8x8_LOAD_TOP;
|
|
nengel@2
|
637 PREDICT_8x8_LOAD_TOPRIGHT;
|
|
nengel@2
|
638 SRC(0,0)= (t0 + 2*t1 + t2 + 2) >> 2;
|
|
nengel@2
|
639 SRC(0,1)=SRC(1,0)= (t1 + 2*t2 + t3 + 2) >> 2;
|
|
nengel@2
|
640 SRC(0,2)=SRC(1,1)=SRC(2,0)= (t2 + 2*t3 + t4 + 2) >> 2;
|
|
nengel@2
|
641 SRC(0,3)=SRC(1,2)=SRC(2,1)=SRC(3,0)= (t3 + 2*t4 + t5 + 2) >> 2;
|
|
nengel@2
|
642 SRC(0,4)=SRC(1,3)=SRC(2,2)=SRC(3,1)=SRC(4,0)= (t4 + 2*t5 + t6 + 2) >> 2;
|
|
nengel@2
|
643 SRC(0,5)=SRC(1,4)=SRC(2,3)=SRC(3,2)=SRC(4,1)=SRC(5,0)= (t5 + 2*t6 + t7 + 2) >> 2;
|
|
nengel@2
|
644 SRC(0,6)=SRC(1,5)=SRC(2,4)=SRC(3,3)=SRC(4,2)=SRC(5,1)=SRC(6,0)= (t6 + 2*t7 + t8 + 2) >> 2;
|
|
nengel@2
|
645 SRC(0,7)=SRC(1,6)=SRC(2,5)=SRC(3,4)=SRC(4,3)=SRC(5,2)=SRC(6,1)=SRC(7,0)= (t7 + 2*t8 + t9 + 2) >> 2;
|
|
nengel@2
|
646 SRC(1,7)=SRC(2,6)=SRC(3,5)=SRC(4,4)=SRC(5,3)=SRC(6,2)=SRC(7,1)= (t8 + 2*t9 + t10 + 2) >> 2;
|
|
nengel@2
|
647 SRC(2,7)=SRC(3,6)=SRC(4,5)=SRC(5,4)=SRC(6,3)=SRC(7,2)= (t9 + 2*t10 + t11 + 2) >> 2;
|
|
nengel@2
|
648 SRC(3,7)=SRC(4,6)=SRC(5,5)=SRC(6,4)=SRC(7,3)= (t10 + 2*t11 + t12 + 2) >> 2;
|
|
nengel@2
|
649 SRC(4,7)=SRC(5,6)=SRC(6,5)=SRC(7,4)= (t11 + 2*t12 + t13 + 2) >> 2;
|
|
nengel@2
|
650 SRC(5,7)=SRC(6,6)=SRC(7,5)= (t12 + 2*t13 + t14 + 2) >> 2;
|
|
nengel@2
|
651 SRC(6,7)=SRC(7,6)= (t13 + 2*t14 + t15 + 2) >> 2;
|
|
nengel@2
|
652 SRC(7,7)= (t14 + 3*t15 + 2) >> 2;
|
|
nengel@2
|
653 }
|
|
nengel@2
|
654
|
|
nengel@2
|
655 static void pred8x8l_down_right_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
656 PREDICT_8x8_LOAD_TOP;
|
|
nengel@2
|
657 PREDICT_8x8_LOAD_LEFT;
|
|
nengel@2
|
658 PREDICT_8x8_LOAD_TOPLEFT;
|
|
nengel@2
|
659 SRC(0,7)= (l7 + 2*l6 + l5 + 2) >> 2;
|
|
nengel@2
|
660 SRC(0,6)=SRC(1,7)= (l6 + 2*l5 + l4 + 2) >> 2;
|
|
nengel@2
|
661 SRC(0,5)=SRC(1,6)=SRC(2,7)= (l5 + 2*l4 + l3 + 2) >> 2;
|
|
nengel@2
|
662 SRC(0,4)=SRC(1,5)=SRC(2,6)=SRC(3,7)= (l4 + 2*l3 + l2 + 2) >> 2;
|
|
nengel@2
|
663 SRC(0,3)=SRC(1,4)=SRC(2,5)=SRC(3,6)=SRC(4,7)= (l3 + 2*l2 + l1 + 2) >> 2;
|
|
nengel@2
|
664 SRC(0,2)=SRC(1,3)=SRC(2,4)=SRC(3,5)=SRC(4,6)=SRC(5,7)= (l2 + 2*l1 + l0 + 2) >> 2;
|
|
nengel@2
|
665 SRC(0,1)=SRC(1,2)=SRC(2,3)=SRC(3,4)=SRC(4,5)=SRC(5,6)=SRC(6,7)= (l1 + 2*l0 + lt + 2) >> 2;
|
|
nengel@2
|
666 SRC(0,0)=SRC(1,1)=SRC(2,2)=SRC(3,3)=SRC(4,4)=SRC(5,5)=SRC(6,6)=SRC(7,7)= (l0 + 2*lt + t0 + 2) >> 2;
|
|
nengel@2
|
667 SRC(1,0)=SRC(2,1)=SRC(3,2)=SRC(4,3)=SRC(5,4)=SRC(6,5)=SRC(7,6)= (lt + 2*t0 + t1 + 2) >> 2;
|
|
nengel@2
|
668 SRC(2,0)=SRC(3,1)=SRC(4,2)=SRC(5,3)=SRC(6,4)=SRC(7,5)= (t0 + 2*t1 + t2 + 2) >> 2;
|
|
nengel@2
|
669 SRC(3,0)=SRC(4,1)=SRC(5,2)=SRC(6,3)=SRC(7,4)= (t1 + 2*t2 + t3 + 2) >> 2;
|
|
nengel@2
|
670 SRC(4,0)=SRC(5,1)=SRC(6,2)=SRC(7,3)= (t2 + 2*t3 + t4 + 2) >> 2;
|
|
nengel@2
|
671 SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
|
|
nengel@2
|
672 SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
|
|
nengel@2
|
673 SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
|
|
nengel@2
|
674 }
|
|
nengel@2
|
675
|
|
nengel@2
|
676 static void pred8x8l_vertical_right_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
677 PREDICT_8x8_LOAD_TOP;
|
|
nengel@2
|
678 PREDICT_8x8_LOAD_LEFT;
|
|
nengel@2
|
679 PREDICT_8x8_LOAD_TOPLEFT;
|
|
nengel@2
|
680 SRC(0,6)= (l5 + 2*l4 + l3 + 2) >> 2;
|
|
nengel@2
|
681 SRC(0,7)= (l6 + 2*l5 + l4 + 2) >> 2;
|
|
nengel@2
|
682 SRC(0,4)=SRC(1,6)= (l3 + 2*l2 + l1 + 2) >> 2;
|
|
nengel@2
|
683 SRC(0,5)=SRC(1,7)= (l4 + 2*l3 + l2 + 2) >> 2;
|
|
nengel@2
|
684 SRC(0,2)=SRC(1,4)=SRC(2,6)= (l1 + 2*l0 + lt + 2) >> 2;
|
|
nengel@2
|
685 SRC(0,3)=SRC(1,5)=SRC(2,7)= (l2 + 2*l1 + l0 + 2) >> 2;
|
|
nengel@2
|
686 SRC(0,1)=SRC(1,3)=SRC(2,5)=SRC(3,7)= (l0 + 2*lt + t0 + 2) >> 2;
|
|
nengel@2
|
687 SRC(0,0)=SRC(1,2)=SRC(2,4)=SRC(3,6)= (lt + t0 + 1) >> 1;
|
|
nengel@2
|
688 SRC(1,1)=SRC(2,3)=SRC(3,5)=SRC(4,7)= (lt + 2*t0 + t1 + 2) >> 2;
|
|
nengel@2
|
689 SRC(1,0)=SRC(2,2)=SRC(3,4)=SRC(4,6)= (t0 + t1 + 1) >> 1;
|
|
nengel@2
|
690 SRC(2,1)=SRC(3,3)=SRC(4,5)=SRC(5,7)= (t0 + 2*t1 + t2 + 2) >> 2;
|
|
nengel@2
|
691 SRC(2,0)=SRC(3,2)=SRC(4,4)=SRC(5,6)= (t1 + t2 + 1) >> 1;
|
|
nengel@2
|
692 SRC(3,1)=SRC(4,3)=SRC(5,5)=SRC(6,7)= (t1 + 2*t2 + t3 + 2) >> 2;
|
|
nengel@2
|
693 SRC(3,0)=SRC(4,2)=SRC(5,4)=SRC(6,6)= (t2 + t3 + 1) >> 1;
|
|
nengel@2
|
694 SRC(4,1)=SRC(5,3)=SRC(6,5)=SRC(7,7)= (t2 + 2*t3 + t4 + 2) >> 2;
|
|
nengel@2
|
695 SRC(4,0)=SRC(5,2)=SRC(6,4)=SRC(7,6)= (t3 + t4 + 1) >> 1;
|
|
nengel@2
|
696 SRC(5,1)=SRC(6,3)=SRC(7,5)= (t3 + 2*t4 + t5 + 2) >> 2;
|
|
nengel@2
|
697 SRC(5,0)=SRC(6,2)=SRC(7,4)= (t4 + t5 + 1) >> 1;
|
|
nengel@2
|
698 SRC(6,1)=SRC(7,3)= (t4 + 2*t5 + t6 + 2) >> 2;
|
|
nengel@2
|
699 SRC(6,0)=SRC(7,2)= (t5 + t6 + 1) >> 1;
|
|
nengel@2
|
700 SRC(7,1)= (t5 + 2*t6 + t7 + 2) >> 2;
|
|
nengel@2
|
701 SRC(7,0)= (t6 + t7 + 1) >> 1;
|
|
nengel@2
|
702 }
|
|
nengel@2
|
703
|
|
nengel@2
|
704 static void pred8x8l_horizontal_down_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
705 PREDICT_8x8_LOAD_TOP;
|
|
nengel@2
|
706 PREDICT_8x8_LOAD_LEFT;
|
|
nengel@2
|
707 PREDICT_8x8_LOAD_TOPLEFT;
|
|
nengel@2
|
708 SRC(0,7)= (l6 + l7 + 1) >> 1;
|
|
nengel@2
|
709 SRC(1,7)= (l5 + 2*l6 + l7 + 2) >> 2;
|
|
nengel@2
|
710 SRC(0,6)=SRC(2,7)= (l5 + l6 + 1) >> 1;
|
|
nengel@2
|
711 SRC(1,6)=SRC(3,7)= (l4 + 2*l5 + l6 + 2) >> 2;
|
|
nengel@2
|
712 SRC(0,5)=SRC(2,6)=SRC(4,7)= (l4 + l5 + 1) >> 1;
|
|
nengel@2
|
713 SRC(1,5)=SRC(3,6)=SRC(5,7)= (l3 + 2*l4 + l5 + 2) >> 2;
|
|
nengel@2
|
714 SRC(0,4)=SRC(2,5)=SRC(4,6)=SRC(6,7)= (l3 + l4 + 1) >> 1;
|
|
nengel@2
|
715 SRC(1,4)=SRC(3,5)=SRC(5,6)=SRC(7,7)= (l2 + 2*l3 + l4 + 2) >> 2;
|
|
nengel@2
|
716 SRC(0,3)=SRC(2,4)=SRC(4,5)=SRC(6,6)= (l2 + l3 + 1) >> 1;
|
|
nengel@2
|
717 SRC(1,3)=SRC(3,4)=SRC(5,5)=SRC(7,6)= (l1 + 2*l2 + l3 + 2) >> 2;
|
|
nengel@2
|
718 SRC(0,2)=SRC(2,3)=SRC(4,4)=SRC(6,5)= (l1 + l2 + 1) >> 1;
|
|
nengel@2
|
719 SRC(1,2)=SRC(3,3)=SRC(5,4)=SRC(7,5)= (l0 + 2*l1 + l2 + 2) >> 2;
|
|
nengel@2
|
720 SRC(0,1)=SRC(2,2)=SRC(4,3)=SRC(6,4)= (l0 + l1 + 1) >> 1;
|
|
nengel@2
|
721 SRC(1,1)=SRC(3,2)=SRC(5,3)=SRC(7,4)= (lt + 2*l0 + l1 + 2) >> 2;
|
|
nengel@2
|
722 SRC(0,0)=SRC(2,1)=SRC(4,2)=SRC(6,3)= (lt + l0 + 1) >> 1;
|
|
nengel@2
|
723 SRC(1,0)=SRC(3,1)=SRC(5,2)=SRC(7,3)= (l0 + 2*lt + t0 + 2) >> 2;
|
|
nengel@2
|
724 SRC(2,0)=SRC(4,1)=SRC(6,2)= (t1 + 2*t0 + lt + 2) >> 2;
|
|
nengel@2
|
725 SRC(3,0)=SRC(5,1)=SRC(7,2)= (t2 + 2*t1 + t0 + 2) >> 2;
|
|
nengel@2
|
726 SRC(4,0)=SRC(6,1)= (t3 + 2*t2 + t1 + 2) >> 2;
|
|
nengel@2
|
727 SRC(5,0)=SRC(7,1)= (t4 + 2*t3 + t2 + 2) >> 2;
|
|
nengel@2
|
728 SRC(6,0)= (t5 + 2*t4 + t3 + 2) >> 2;
|
|
nengel@2
|
729 SRC(7,0)= (t6 + 2*t5 + t4 + 2) >> 2;
|
|
nengel@2
|
730 }
|
|
nengel@2
|
731
|
|
nengel@2
|
732 static void pred8x8l_vertical_left_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
733 PREDICT_8x8_LOAD_TOP;
|
|
nengel@2
|
734 PREDICT_8x8_LOAD_TOPRIGHT;
|
|
nengel@2
|
735 SRC(0,0)= (t0 + t1 + 1) >> 1;
|
|
nengel@2
|
736 SRC(0,1)= (t0 + 2*t1 + t2 + 2) >> 2;
|
|
nengel@2
|
737 SRC(0,2)=SRC(1,0)= (t1 + t2 + 1) >> 1;
|
|
nengel@2
|
738 SRC(0,3)=SRC(1,1)= (t1 + 2*t2 + t3 + 2) >> 2;
|
|
nengel@2
|
739 SRC(0,4)=SRC(1,2)=SRC(2,0)= (t2 + t3 + 1) >> 1;
|
|
nengel@2
|
740 SRC(0,5)=SRC(1,3)=SRC(2,1)= (t2 + 2*t3 + t4 + 2) >> 2;
|
|
nengel@2
|
741 SRC(0,6)=SRC(1,4)=SRC(2,2)=SRC(3,0)= (t3 + t4 + 1) >> 1;
|
|
nengel@2
|
742 SRC(0,7)=SRC(1,5)=SRC(2,3)=SRC(3,1)= (t3 + 2*t4 + t5 + 2) >> 2;
|
|
nengel@2
|
743 SRC(1,6)=SRC(2,4)=SRC(3,2)=SRC(4,0)= (t4 + t5 + 1) >> 1;
|
|
nengel@2
|
744 SRC(1,7)=SRC(2,5)=SRC(3,3)=SRC(4,1)= (t4 + 2*t5 + t6 + 2) >> 2;
|
|
nengel@2
|
745 SRC(2,6)=SRC(3,4)=SRC(4,2)=SRC(5,0)= (t5 + t6 + 1) >> 1;
|
|
nengel@2
|
746 SRC(2,7)=SRC(3,5)=SRC(4,3)=SRC(5,1)= (t5 + 2*t6 + t7 + 2) >> 2;
|
|
nengel@2
|
747 SRC(3,6)=SRC(4,4)=SRC(5,2)=SRC(6,0)= (t6 + t7 + 1) >> 1;
|
|
nengel@2
|
748 SRC(3,7)=SRC(4,5)=SRC(5,3)=SRC(6,1)= (t6 + 2*t7 + t8 + 2) >> 2;
|
|
nengel@2
|
749 SRC(4,6)=SRC(5,4)=SRC(6,2)=SRC(7,0)= (t7 + t8 + 1) >> 1;
|
|
nengel@2
|
750 SRC(4,7)=SRC(5,5)=SRC(6,3)=SRC(7,1)= (t7 + 2*t8 + t9 + 2) >> 2;
|
|
nengel@2
|
751 SRC(5,6)=SRC(6,4)=SRC(7,2)= (t8 + t9 + 1) >> 1;
|
|
nengel@2
|
752 SRC(5,7)=SRC(6,5)=SRC(7,3)= (t8 + 2*t9 + t10 + 2) >> 2;
|
|
nengel@2
|
753 SRC(6,6)=SRC(7,4)= (t9 + t10 + 1) >> 1;
|
|
nengel@2
|
754 SRC(6,7)=SRC(7,5)= (t9 + 2*t10 + t11 + 2) >> 2;
|
|
nengel@2
|
755 SRC(7,6)= (t10 + t11 + 1) >> 1;
|
|
nengel@2
|
756 SRC(7,7)= (t10 + 2*t11 + t12 + 2) >> 2;
|
|
nengel@2
|
757 }
|
|
nengel@2
|
758
|
|
nengel@2
|
759 static void pred8x8l_horizontal_up_c(uint8_t *src, int has_topleft, int has_topright, int stride){
|
|
nengel@2
|
760 (void) has_topleft; (void) has_topright;
|
|
nengel@2
|
761 PREDICT_8x8_LOAD_LEFT;
|
|
nengel@2
|
762 SRC(0,0)= (l0 + l1 + 1) >> 1;
|
|
nengel@2
|
763 SRC(1,0)= (l0 + 2*l1 + l2 + 2) >> 2;
|
|
nengel@2
|
764 SRC(0,1)=SRC(2,0)= (l1 + l2 + 1) >> 1;
|
|
nengel@2
|
765 SRC(1,1)=SRC(3,0)= (l1 + 2*l2 + l3 + 2) >> 2;
|
|
nengel@2
|
766 SRC(0,2)=SRC(2,1)=SRC(4,0)= (l2 + l3 + 1) >> 1;
|
|
nengel@2
|
767 SRC(1,2)=SRC(3,1)=SRC(5,0)= (l2 + 2*l3 + l4 + 2) >> 2;
|
|
nengel@2
|
768 SRC(0,3)=SRC(2,2)=SRC(4,1)=SRC(6,0)= (l3 + l4 + 1) >> 1;
|
|
nengel@2
|
769 SRC(1,3)=SRC(3,2)=SRC(5,1)=SRC(7,0)= (l3 + 2*l4 + l5 + 2) >> 2;
|
|
nengel@2
|
770 SRC(0,4)=SRC(2,3)=SRC(4,2)=SRC(6,1)= (l4 + l5 + 1) >> 1;
|
|
nengel@2
|
771 SRC(1,4)=SRC(3,3)=SRC(5,2)=SRC(7,1)= (l4 + 2*l5 + l6 + 2) >> 2;
|
|
nengel@2
|
772 SRC(0,5)=SRC(2,4)=SRC(4,3)=SRC(6,2)= (l5 + l6 + 1) >> 1;
|
|
nengel@2
|
773 SRC(1,5)=SRC(3,4)=SRC(5,3)=SRC(7,2)= (l5 + 2*l6 + l7 + 2) >> 2;
|
|
nengel@2
|
774 SRC(0,6)=SRC(2,5)=SRC(4,4)=SRC(6,3)= (l6 + l7 + 1) >> 1;
|
|
nengel@2
|
775 SRC(1,6)=SRC(3,5)=SRC(5,4)=SRC(7,3)= (l6 + 3*l7 + 2) >> 2;
|
|
nengel@2
|
776 SRC(0,7)=SRC(1,7)=SRC(2,6)=SRC(2,7)=SRC(3,6)=
|
|
nengel@2
|
777 SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
|
|
nengel@2
|
778 SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
|
|
nengel@2
|
779 SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
|
|
nengel@2
|
780 }
|
|
nengel@2
|
781 #undef PREDICT_8x8_LOAD_LEFT
|
|
nengel@2
|
782 #undef PREDICT_8x8_LOAD_TOP
|
|
nengel@2
|
783 #undef PREDICT_8x8_LOAD_TOPLEFT
|
|
nengel@2
|
784 #undef PREDICT_8x8_LOAD_TOPRIGHT
|
|
nengel@2
|
785 #undef PREDICT_8x8_DC
|
|
nengel@2
|
786 #undef PTR
|
|
nengel@2
|
787 #undef PT
|
|
nengel@2
|
788 #undef PL
|
|
nengel@2
|
789 #undef SRC
|
|
nengel@2
|
790
|
|
nengel@2
|
791 static void pred4x4_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){
|
|
nengel@2
|
792 int i;
|
|
nengel@2
|
793 pix -= stride;
|
|
nengel@2
|
794 for(i=0; i<4; i++){
|
|
nengel@2
|
795 uint8_t v = pix[0];
|
|
nengel@2
|
796 pix[1*stride]= v += block[0];
|
|
nengel@2
|
797 pix[2*stride]= v += block[4];
|
|
nengel@2
|
798 pix[3*stride]= v += block[8];
|
|
nengel@2
|
799 pix[4*stride]= v + block[12];
|
|
nengel@2
|
800 pix++;
|
|
nengel@2
|
801 block++;
|
|
nengel@2
|
802 }
|
|
nengel@2
|
803 }
|
|
nengel@2
|
804
|
|
nengel@2
|
805 static void pred4x4_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){
|
|
nengel@2
|
806 int i;
|
|
nengel@2
|
807 for(i=0; i<4; i++){
|
|
nengel@2
|
808 uint8_t v = pix[-1];
|
|
nengel@2
|
809 pix[0]= v += block[0];
|
|
nengel@2
|
810 pix[1]= v += block[1];
|
|
nengel@2
|
811 pix[2]= v += block[2];
|
|
nengel@2
|
812 pix[3]= v + block[3];
|
|
nengel@2
|
813 pix+= stride;
|
|
nengel@2
|
814 block+= 4;
|
|
nengel@2
|
815 }
|
|
nengel@2
|
816 }
|
|
nengel@2
|
817
|
|
nengel@2
|
818 static void pred8x8l_vertical_add_c(uint8_t *pix, const DCTELEM *block, int stride){
|
|
nengel@2
|
819 int i;
|
|
nengel@2
|
820 pix -= stride;
|
|
nengel@2
|
821 for(i=0; i<8; i++){
|
|
nengel@2
|
822 uint8_t v = pix[0];
|
|
nengel@2
|
823 pix[1*stride]= v += block[0];
|
|
nengel@2
|
824 pix[2*stride]= v += block[8];
|
|
nengel@2
|
825 pix[3*stride]= v += block[16];
|
|
nengel@2
|
826 pix[4*stride]= v += block[24];
|
|
nengel@2
|
827 pix[5*stride]= v += block[32];
|
|
nengel@2
|
828 pix[6*stride]= v += block[40];
|
|
nengel@2
|
829 pix[7*stride]= v += block[48];
|
|
nengel@2
|
830 pix[8*stride]= v + block[56];
|
|
nengel@2
|
831 pix++;
|
|
nengel@2
|
832 block++;
|
|
nengel@2
|
833 }
|
|
nengel@2
|
834 }
|
|
nengel@2
|
835
|
|
nengel@2
|
836 static void pred8x8l_horizontal_add_c(uint8_t *pix, const DCTELEM *block, int stride){
|
|
nengel@2
|
837 int i;
|
|
nengel@2
|
838 for(i=0; i<8; i++){
|
|
nengel@2
|
839 uint8_t v = pix[-1];
|
|
nengel@2
|
840 pix[0]= v += block[0];
|
|
nengel@2
|
841 pix[1]= v += block[1];
|
|
nengel@2
|
842 pix[2]= v += block[2];
|
|
nengel@2
|
843 pix[3]= v += block[3];
|
|
nengel@2
|
844 pix[4]= v += block[4];
|
|
nengel@2
|
845 pix[5]= v += block[5];
|
|
nengel@2
|
846 pix[6]= v += block[6];
|
|
nengel@2
|
847 pix[7]= v + block[7];
|
|
nengel@2
|
848 pix+= stride;
|
|
nengel@2
|
849 block+= 8;
|
|
nengel@2
|
850 }
|
|
nengel@2
|
851 }
|
|
nengel@2
|
852
|
|
nengel@2
|
853 static void pred16x16_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
|
|
nengel@2
|
854 int i;
|
|
nengel@2
|
855 for(i=0; i<16; i++)
|
|
nengel@2
|
856 pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride);
|
|
nengel@2
|
857 }
|
|
nengel@2
|
858
|
|
nengel@2
|
859 static void pred16x16_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
|
|
nengel@2
|
860 int i;
|
|
nengel@2
|
861 for(i=0; i<16; i++)
|
|
nengel@2
|
862 pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride);
|
|
nengel@2
|
863 }
|
|
nengel@2
|
864
|
|
nengel@2
|
865 static void pred8x8_vertical_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
|
|
nengel@2
|
866 int i;
|
|
nengel@2
|
867 for(i=0; i<4; i++)
|
|
nengel@2
|
868 pred4x4_vertical_add_c(pix + block_offset[i], block + i*16, stride);
|
|
nengel@2
|
869 }
|
|
nengel@2
|
870
|
|
nengel@2
|
871 static void pred8x8_horizontal_add_c(uint8_t *pix, const int *block_offset, const DCTELEM *block, int stride){
|
|
nengel@2
|
872 int i;
|
|
nengel@2
|
873 for(i=0; i<4; i++)
|
|
nengel@2
|
874 pred4x4_horizontal_add_c(pix + block_offset[i], block + i*16, stride);
|
|
nengel@2
|
875 }
|
|
nengel@2
|
876
|
|
nengel@2
|
877
|
|
nengel@2
|
878 /**
|
|
nengel@2
|
879 * Sets the intra prediction function pointers.
|
|
nengel@2
|
880 */
|
|
nengel@2
|
881 void ff_h264_pred_init(H264PredContext *h){
|
|
nengel@2
|
882
|
|
nengel@2
|
883 h->pred4x4[VERT_PRED ]= pred4x4_vertical_c;
|
|
nengel@2
|
884 h->pred4x4[HOR_PRED ]= pred4x4_horizontal_c;
|
|
nengel@2
|
885 h->pred4x4[DC_PRED ]= pred4x4_dc_c;
|
|
nengel@2
|
886 h->pred4x4[DIAG_DOWN_LEFT_PRED ]= pred4x4_down_left_c;
|
|
nengel@2
|
887 h->pred4x4[DIAG_DOWN_RIGHT_PRED]= pred4x4_down_right_c;
|
|
nengel@2
|
888 h->pred4x4[VERT_RIGHT_PRED ]= pred4x4_vertical_right_c;
|
|
nengel@2
|
889 h->pred4x4[HOR_DOWN_PRED ]= pred4x4_horizontal_down_c;
|
|
nengel@2
|
890 h->pred4x4[VERT_LEFT_PRED ]= pred4x4_vertical_left_c;
|
|
nengel@2
|
891 h->pred4x4[HOR_UP_PRED ]= pred4x4_horizontal_up_c;
|
|
nengel@2
|
892 h->pred4x4[LEFT_DC_PRED ]= pred4x4_left_dc_c;
|
|
nengel@2
|
893 h->pred4x4[TOP_DC_PRED ]= pred4x4_top_dc_c;
|
|
nengel@2
|
894 h->pred4x4[DC_128_PRED ]= pred4x4_128_dc_c;
|
|
nengel@2
|
895
|
|
nengel@2
|
896 h->pred8x8l[VERT_PRED ]= pred8x8l_vertical_c;
|
|
nengel@2
|
897 h->pred8x8l[HOR_PRED ]= pred8x8l_horizontal_c;
|
|
nengel@2
|
898 h->pred8x8l[DC_PRED ]= pred8x8l_dc_c;
|
|
nengel@2
|
899 h->pred8x8l[DIAG_DOWN_LEFT_PRED ]= pred8x8l_down_left_c;
|
|
nengel@2
|
900 h->pred8x8l[DIAG_DOWN_RIGHT_PRED]= pred8x8l_down_right_c;
|
|
nengel@2
|
901 h->pred8x8l[VERT_RIGHT_PRED ]= pred8x8l_vertical_right_c;
|
|
nengel@2
|
902 h->pred8x8l[HOR_DOWN_PRED ]= pred8x8l_horizontal_down_c;
|
|
nengel@2
|
903 h->pred8x8l[VERT_LEFT_PRED ]= pred8x8l_vertical_left_c;
|
|
nengel@2
|
904 h->pred8x8l[HOR_UP_PRED ]= pred8x8l_horizontal_up_c;
|
|
nengel@2
|
905 h->pred8x8l[LEFT_DC_PRED ]= pred8x8l_left_dc_c;
|
|
nengel@2
|
906 h->pred8x8l[TOP_DC_PRED ]= pred8x8l_top_dc_c;
|
|
nengel@2
|
907 h->pred8x8l[DC_128_PRED ]= pred8x8l_128_dc_c;
|
|
nengel@2
|
908
|
|
nengel@2
|
909 h->pred8x8[VERT_PRED8x8 ]= pred8x8_vertical_c;
|
|
nengel@2
|
910 h->pred8x8[HOR_PRED8x8 ]= pred8x8_horizontal_c;
|
|
nengel@2
|
911 h->pred8x8[PLANE_PRED8x8 ]= pred8x8_plane_c;
|
|
nengel@2
|
912
|
|
nengel@2
|
913 h->pred8x8[DC_PRED8x8 ]= pred8x8_dc_c;
|
|
nengel@2
|
914 h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
|
|
nengel@2
|
915 h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
|
|
nengel@2
|
916 h->pred8x8[ALZHEIMER_DC_L0T_PRED8x8 ]= pred8x8_mad_cow_dc_l0t;
|
|
nengel@2
|
917 h->pred8x8[ALZHEIMER_DC_0LT_PRED8x8 ]= pred8x8_mad_cow_dc_0lt;
|
|
nengel@2
|
918 h->pred8x8[ALZHEIMER_DC_L00_PRED8x8 ]= pred8x8_mad_cow_dc_l00;
|
|
nengel@2
|
919 h->pred8x8[ALZHEIMER_DC_0L0_PRED8x8 ]= pred8x8_mad_cow_dc_0l0;
|
|
nengel@2
|
920
|
|
nengel@2
|
921 h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c;
|
|
nengel@2
|
922
|
|
nengel@2
|
923 h->pred16x16[DC_PRED8x8 ]= pred16x16_dc_c;
|
|
nengel@2
|
924 h->pred16x16[VERT_PRED8x8 ]= pred16x16_vertical_c;
|
|
nengel@2
|
925 h->pred16x16[HOR_PRED8x8 ]= pred16x16_horizontal_c;
|
|
nengel@2
|
926 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
|
|
nengel@2
|
927
|
|
nengel@2
|
928 h->pred16x16[PLANE_PRED8x8 ]= pred16x16_plane_c;
|
|
nengel@2
|
929
|
|
nengel@2
|
930 h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
|
|
nengel@2
|
931 h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
|
|
nengel@2
|
932 h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;
|
|
nengel@2
|
933
|
|
nengel@2
|
934 //special lossless h/v prediction for h264
|
|
nengel@2
|
935 h->pred4x4_add [VERT_PRED ]= pred4x4_vertical_add_c;
|
|
nengel@2
|
936 h->pred4x4_add [ HOR_PRED ]= pred4x4_horizontal_add_c;
|
|
nengel@2
|
937 h->pred8x8l_add [VERT_PRED ]= pred8x8l_vertical_add_c;
|
|
nengel@2
|
938 h->pred8x8l_add [ HOR_PRED ]= pred8x8l_horizontal_add_c;
|
|
nengel@2
|
939 h->pred8x8_add [VERT_PRED8x8]= pred8x8_vertical_add_c;
|
|
nengel@2
|
940 h->pred8x8_add [ HOR_PRED8x8]= pred8x8_horizontal_add_c;
|
|
nengel@2
|
941 h->pred16x16_add[VERT_PRED8x8]= pred16x16_vertical_add_c;
|
|
nengel@2
|
942 h->pred16x16_add[ HOR_PRED8x8]= pred16x16_horizontal_add_c;
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|
nengel@2
|
943
|
|
nengel@2
|
944 if (HAVE_NEON) ff_h264_pred_init_arm(h);
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|
nengel@2
|
945 }
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