The Tor Browser / file comparison
comparison: media/libvpx/vp8/common/sad_c.c
media/libvpx/vp8/common/sad_c.c
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:c63f388075a5 |
|---|---|
| 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 <limits.h> | |
| 13 #include <stdlib.h> | |
| 14 #include "vpx_config.h" | |
| 15 #include "vpx/vpx_integer.h" | |
| 16 | |
| 17 static unsigned int sad_mx_n_c(const unsigned char *src_ptr, int src_stride, | |
| 18 const unsigned char *ref_ptr, int ref_stride, | |
| 19 unsigned int max_sad, int m, int n) | |
| 20 { | |
| 21 int r, c; | |
| 22 unsigned int sad = 0; | |
| 23 | |
| 24 for (r = 0; r < n; r++) | |
| 25 { | |
| 26 for (c = 0; c < m; c++) | |
| 27 { | |
| 28 sad += abs(src_ptr[c] - ref_ptr[c]); | |
| 29 } | |
| 30 | |
| 31 if (sad > max_sad) | |
| 32 break; | |
| 33 | |
| 34 src_ptr += src_stride; | |
| 35 ref_ptr += ref_stride; | |
| 36 } | |
| 37 | |
| 38 return sad; | |
| 39 } | |
| 40 | |
| 41 /* max_sad is provided as an optional optimization point. Alternative | |
| 42 * implementations of these functions are not required to check it. | |
| 43 */ | |
| 44 | |
| 45 unsigned int vp8_sad16x16_c(const unsigned char *src_ptr, int src_stride, | |
| 46 const unsigned char *ref_ptr, int ref_stride, | |
| 47 unsigned int max_sad) | |
| 48 { | |
| 49 return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, max_sad, 16, 16); | |
| 50 } | |
| 51 | |
| 52 unsigned int vp8_sad8x8_c(const unsigned char *src_ptr, int src_stride, | |
| 53 const unsigned char *ref_ptr, int ref_stride, | |
| 54 unsigned int max_sad) | |
| 55 { | |
| 56 return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, max_sad, 8, 8); | |
| 57 } | |
| 58 | |
| 59 unsigned int vp8_sad16x8_c(const unsigned char *src_ptr, int src_stride, | |
| 60 const unsigned char *ref_ptr, int ref_stride, | |
| 61 unsigned int max_sad) | |
| 62 { | |
| 63 return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, max_sad, 16, 8); | |
| 64 | |
| 65 } | |
| 66 | |
| 67 unsigned int vp8_sad8x16_c(const unsigned char *src_ptr, int src_stride, | |
| 68 const unsigned char *ref_ptr, int ref_stride, | |
| 69 unsigned int max_sad) | |
| 70 { | |
| 71 return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, max_sad, 8, 16); | |
| 72 } | |
| 73 | |
| 74 unsigned int vp8_sad4x4_c(const unsigned char *src_ptr, int src_stride, | |
| 75 const unsigned char *ref_ptr, int ref_stride, | |
| 76 unsigned int max_sad) | |
| 77 { | |
| 78 return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, max_sad, 4, 4); | |
| 79 } | |
| 80 | |
| 81 void vp8_sad16x16x3_c(const unsigned char *src_ptr, int src_stride, | |
| 82 const unsigned char *ref_ptr, int ref_stride, | |
| 83 unsigned int *sad_array) | |
| 84 { | |
| 85 sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 86 sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 87 sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 88 } | |
| 89 | |
| 90 void vp8_sad16x16x8_c(const unsigned char *src_ptr, int src_stride, | |
| 91 const unsigned char *ref_ptr, int ref_stride, | |
| 92 unsigned short *sad_array) | |
| 93 { | |
| 94 sad_array[0] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 95 sad_array[1] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 96 sad_array[2] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 97 sad_array[3] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 3, ref_stride, UINT_MAX); | |
| 98 sad_array[4] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, UINT_MAX); | |
| 99 sad_array[5] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, UINT_MAX); | |
| 100 sad_array[6] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 6, ref_stride, UINT_MAX); | |
| 101 sad_array[7] = (unsigned short)vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, UINT_MAX); | |
| 102 } | |
| 103 | |
| 104 void vp8_sad16x8x3_c(const unsigned char *src_ptr, int src_stride, | |
| 105 const unsigned char *ref_ptr, int ref_stride, | |
| 106 unsigned int *sad_array) | |
| 107 { | |
| 108 sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 109 sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 110 sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 111 } | |
| 112 | |
| 113 void vp8_sad16x8x8_c(const unsigned char *src_ptr, int src_stride, | |
| 114 const unsigned char *ref_ptr, int ref_stride, | |
| 115 unsigned short *sad_array) | |
| 116 { | |
| 117 sad_array[0] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 118 sad_array[1] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 119 sad_array[2] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 120 sad_array[3] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 3, ref_stride, UINT_MAX); | |
| 121 sad_array[4] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, UINT_MAX); | |
| 122 sad_array[5] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, UINT_MAX); | |
| 123 sad_array[6] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 6, ref_stride, UINT_MAX); | |
| 124 sad_array[7] = (unsigned short)vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, UINT_MAX); | |
| 125 } | |
| 126 | |
| 127 void vp8_sad8x8x3_c(const unsigned char *src_ptr, int src_stride, | |
| 128 const unsigned char *ref_ptr, int ref_stride, | |
| 129 unsigned int *sad_array) | |
| 130 { | |
| 131 sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 132 sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 133 sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 134 } | |
| 135 | |
| 136 void vp8_sad8x8x8_c(const unsigned char *src_ptr, int src_stride, | |
| 137 const unsigned char *ref_ptr, int ref_stride, | |
| 138 unsigned short *sad_array) | |
| 139 { | |
| 140 sad_array[0] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 141 sad_array[1] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 142 sad_array[2] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 143 sad_array[3] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 3, ref_stride, UINT_MAX); | |
| 144 sad_array[4] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, UINT_MAX); | |
| 145 sad_array[5] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, UINT_MAX); | |
| 146 sad_array[6] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 6, ref_stride, UINT_MAX); | |
| 147 sad_array[7] = (unsigned short)vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, UINT_MAX); | |
| 148 } | |
| 149 | |
| 150 void vp8_sad8x16x3_c(const unsigned char *src_ptr, int src_stride, | |
| 151 const unsigned char *ref_ptr, int ref_stride, | |
| 152 unsigned int *sad_array) | |
| 153 { | |
| 154 sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 155 sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 156 sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 157 } | |
| 158 | |
| 159 void vp8_sad8x16x8_c(const unsigned char *src_ptr, int src_stride, | |
| 160 const unsigned char *ref_ptr, int ref_stride, | |
| 161 unsigned short *sad_array) | |
| 162 { | |
| 163 sad_array[0] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 164 sad_array[1] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 165 sad_array[2] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 166 sad_array[3] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 3, ref_stride, UINT_MAX); | |
| 167 sad_array[4] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, UINT_MAX); | |
| 168 sad_array[5] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, UINT_MAX); | |
| 169 sad_array[6] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 6, ref_stride, UINT_MAX); | |
| 170 sad_array[7] = (unsigned short)vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, UINT_MAX); | |
| 171 } | |
| 172 | |
| 173 void vp8_sad4x4x3_c(const unsigned char *src_ptr, int src_stride, | |
| 174 const unsigned char *ref_ptr, int ref_stride, | |
| 175 unsigned int *sad_array) | |
| 176 { | |
| 177 sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 178 sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 179 sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 180 } | |
| 181 | |
| 182 void vp8_sad4x4x8_c(const unsigned char *src_ptr, int src_stride, | |
| 183 const unsigned char *ref_ptr, int ref_stride, | |
| 184 unsigned short *sad_array) | |
| 185 { | |
| 186 sad_array[0] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 0, ref_stride, UINT_MAX); | |
| 187 sad_array[1] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, UINT_MAX); | |
| 188 sad_array[2] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, UINT_MAX); | |
| 189 sad_array[3] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 3, ref_stride, UINT_MAX); | |
| 190 sad_array[4] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 4, ref_stride, UINT_MAX); | |
| 191 sad_array[5] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 5, ref_stride, UINT_MAX); | |
| 192 sad_array[6] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 6, ref_stride, UINT_MAX); | |
| 193 sad_array[7] = (unsigned short)vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 7, ref_stride, UINT_MAX); | |
| 194 } | |
| 195 | |
| 196 void vp8_sad16x16x4d_c(const unsigned char *src_ptr, int src_stride, | |
| 197 const unsigned char * const ref_ptr[], int ref_stride, | |
| 198 unsigned int *sad_array) | |
| 199 { | |
| 200 sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, UINT_MAX); | |
| 201 sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, UINT_MAX); | |
| 202 sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, UINT_MAX); | |
| 203 sad_array[3] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, UINT_MAX); | |
| 204 } | |
| 205 | |
| 206 void vp8_sad16x8x4d_c(const unsigned char *src_ptr, int src_stride, | |
| 207 const unsigned char * const ref_ptr[], int ref_stride, | |
| 208 unsigned int *sad_array) | |
| 209 { | |
| 210 sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, UINT_MAX); | |
| 211 sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, UINT_MAX); | |
| 212 sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, UINT_MAX); | |
| 213 sad_array[3] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, UINT_MAX); | |
| 214 } | |
| 215 | |
| 216 void vp8_sad8x8x4d_c(const unsigned char *src_ptr, int src_stride, | |
| 217 const unsigned char * const ref_ptr[], int ref_stride, | |
| 218 unsigned int *sad_array) | |
| 219 { | |
| 220 sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, UINT_MAX); | |
| 221 sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, UINT_MAX); | |
| 222 sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, UINT_MAX); | |
| 223 sad_array[3] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, UINT_MAX); | |
| 224 } | |
| 225 | |
| 226 void vp8_sad8x16x4d_c(const unsigned char *src_ptr, int src_stride, | |
| 227 const unsigned char * const ref_ptr[], int ref_stride, | |
| 228 unsigned int *sad_array) | |
| 229 { | |
| 230 sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, UINT_MAX); | |
| 231 sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, UINT_MAX); | |
| 232 sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, UINT_MAX); | |
| 233 sad_array[3] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, UINT_MAX); | |
| 234 } | |
| 235 | |
| 236 void vp8_sad4x4x4d_c(const unsigned char *src_ptr, int src_stride, | |
| 237 const unsigned char * const ref_ptr[], int ref_stride, | |
| 238 unsigned int *sad_array) | |
| 239 { | |
| 240 sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[0], ref_stride, UINT_MAX); | |
| 241 sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[1], ref_stride, UINT_MAX); | |
| 242 sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[2], ref_stride, UINT_MAX); | |
| 243 sad_array[3] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[3], ref_stride, UINT_MAX); | |
| 244 } | |
| 245 | |
| 246 /* Copy 2 macroblocks to a buffer */ | |
| 247 void vp8_copy32xn_c(unsigned char *src_ptr, int src_stride, | |
| 248 unsigned char *dst_ptr, int dst_stride, | |
| 249 int height) | |
| 250 { | |
| 251 int r; | |
| 252 | |
| 253 for (r = 0; r < height; r++) | |
| 254 { | |
| 255 #if !(CONFIG_FAST_UNALIGNED) | |
| 256 dst_ptr[0] = src_ptr[0]; | |
| 257 dst_ptr[1] = src_ptr[1]; | |
| 258 dst_ptr[2] = src_ptr[2]; | |
| 259 dst_ptr[3] = src_ptr[3]; | |
| 260 dst_ptr[4] = src_ptr[4]; | |
| 261 dst_ptr[5] = src_ptr[5]; | |
| 262 dst_ptr[6] = src_ptr[6]; | |
| 263 dst_ptr[7] = src_ptr[7]; | |
| 264 dst_ptr[8] = src_ptr[8]; | |
| 265 dst_ptr[9] = src_ptr[9]; | |
| 266 dst_ptr[10] = src_ptr[10]; | |
| 267 dst_ptr[11] = src_ptr[11]; | |
| 268 dst_ptr[12] = src_ptr[12]; | |
| 269 dst_ptr[13] = src_ptr[13]; | |
| 270 dst_ptr[14] = src_ptr[14]; | |
| 271 dst_ptr[15] = src_ptr[15]; | |
| 272 dst_ptr[16] = src_ptr[16]; | |
| 273 dst_ptr[17] = src_ptr[17]; | |
| 274 dst_ptr[18] = src_ptr[18]; | |
| 275 dst_ptr[19] = src_ptr[19]; | |
| 276 dst_ptr[20] = src_ptr[20]; | |
| 277 dst_ptr[21] = src_ptr[21]; | |
| 278 dst_ptr[22] = src_ptr[22]; | |
| 279 dst_ptr[23] = src_ptr[23]; | |
| 280 dst_ptr[24] = src_ptr[24]; | |
| 281 dst_ptr[25] = src_ptr[25]; | |
| 282 dst_ptr[26] = src_ptr[26]; | |
| 283 dst_ptr[27] = src_ptr[27]; | |
| 284 dst_ptr[28] = src_ptr[28]; | |
| 285 dst_ptr[29] = src_ptr[29]; | |
| 286 dst_ptr[30] = src_ptr[30]; | |
| 287 dst_ptr[31] = src_ptr[31]; | |
| 288 #else | |
| 289 ((uint32_t *)dst_ptr)[0] = ((uint32_t *)src_ptr)[0] ; | |
| 290 ((uint32_t *)dst_ptr)[1] = ((uint32_t *)src_ptr)[1] ; | |
| 291 ((uint32_t *)dst_ptr)[2] = ((uint32_t *)src_ptr)[2] ; | |
| 292 ((uint32_t *)dst_ptr)[3] = ((uint32_t *)src_ptr)[3] ; | |
| 293 ((uint32_t *)dst_ptr)[4] = ((uint32_t *)src_ptr)[4] ; | |
| 294 ((uint32_t *)dst_ptr)[5] = ((uint32_t *)src_ptr)[5] ; | |
| 295 ((uint32_t *)dst_ptr)[6] = ((uint32_t *)src_ptr)[6] ; | |
| 296 ((uint32_t *)dst_ptr)[7] = ((uint32_t *)src_ptr)[7] ; | |
| 297 #endif | |
| 298 src_ptr += src_stride; | |
| 299 dst_ptr += dst_stride; | |
| 300 | |
| 301 } | |
| 302 } |
