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| 1 : | edgomez | 851 | /************************************************************************** |
| 2 : | Isibaar | 333 | * |
| 3 : | edgomez | 851 | * XVID MPEG-4 VIDEO CODEC |
| 4 : | * 8x8 block-based halfpel interpolation | ||
| 5 : | Isibaar | 333 | * |
| 6 : | edgomez | 851 | * This program is free software; you can redistribute it and/or modify |
| 7 : | * it under the terms of the GNU General Public License as published by | ||
| 8 : | * the Free Software Foundation; either version 2 of the License, or | ||
| 9 : | * (at your option) any later version. | ||
| 10 : | Isibaar | 333 | * |
| 11 : | edgomez | 851 | * This program is distributed in the hope that it will be useful, |
| 12 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 : | * GNU General Public License for more details. | ||
| 15 : | Isibaar | 333 | * |
| 16 : | edgomez | 851 | * You should have received a copy of the GNU General Public License |
| 17 : | * along with this program; if not, write to the Free Software | ||
| 18 : | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 19 : | Isibaar | 333 | * |
| 20 : | edgomez | 851 | *************************************************************************/ |
| 21 : | |||
| 22 : | /************************************************************************** | ||
| 23 : | Isibaar | 333 | * |
| 24 : | edgomez | 851 | * History: |
| 25 : | Isibaar | 333 | * |
| 26 : | edgomez | 851 | * 05.10.2002 new bilinear and qpel interpolation code - Isibaar |
| 27 : | * 27.12.2001 modified "compensate_halfpel" | ||
| 28 : | * 05.11.2001 initial version; (c)2001 peter ross <pross@cs.rmit.edu.au> | ||
| 29 : | edgomez | 651 | * |
| 30 : | edgomez | 851 | *************************************************************************/ |
| 31 : | Isibaar | 333 | |
| 32 : | edgomez | 851 | |
| 33 : | Isibaar | 333 | #include "../portab.h" |
| 34 : | edgomez | 851 | #include "../global.h" |
| 35 : | Isibaar | 333 | #include "interpolate8x8.h" |
| 36 : | |||
| 37 : | edgomez | 851 | // function pointers |
| 38 : | Isibaar | 333 | INTERPOLATE8X8_PTR interpolate8x8_halfpel_h; |
| 39 : | INTERPOLATE8X8_PTR interpolate8x8_halfpel_v; | ||
| 40 : | INTERPOLATE8X8_PTR interpolate8x8_halfpel_hv; | ||
| 41 : | |||
| 42 : | edgomez | 851 | INTERPOLATE8X8_AVG2_PTR interpolate8x8_avg2; |
| 43 : | INTERPOLATE8X8_AVG4_PTR interpolate8x8_avg4; | ||
| 44 : | Isibaar | 333 | |
| 45 : | edgomez | 851 | INTERPOLATE_LOWPASS_PTR interpolate8x8_lowpass_h; |
| 46 : | INTERPOLATE_LOWPASS_PTR interpolate8x8_lowpass_v; | ||
| 47 : | Isibaar | 333 | |
| 48 : | edgomez | 851 | INTERPOLATE_LOWPASS_PTR interpolate16x16_lowpass_h; |
| 49 : | INTERPOLATE_LOWPASS_PTR interpolate16x16_lowpass_v; | ||
| 50 : | |||
| 51 : | INTERPOLATE_LOWPASS_HV_PTR interpolate8x8_lowpass_hv; | ||
| 52 : | INTERPOLATE_LOWPASS_HV_PTR interpolate16x16_lowpass_hv; | ||
| 53 : | |||
| 54 : | INTERPOLATE8X8_6TAP_LOWPASS_PTR interpolate8x8_6tap_lowpass_h; | ||
| 55 : | INTERPOLATE8X8_6TAP_LOWPASS_PTR interpolate8x8_6tap_lowpass_v; | ||
| 56 : | |||
| 57 : | void interpolate8x8_avg2_c(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint32_t stride, const uint32_t rounding, const uint32_t height) | ||
| 58 : | { | ||
| 59 : | uint32_t i; | ||
| 60 : | const int32_t round = 1 - rounding; | ||
| 61 : | |||
| 62 : | for(i = 0; i < height; i++) | ||
| 63 : | { | ||
| 64 : | dst[0] = (src1[0] + src2[0] + round) >> 1; | ||
| 65 : | dst[1] = (src1[1] + src2[1] + round) >> 1; | ||
| 66 : | dst[2] = (src1[2] + src2[2] + round) >> 1; | ||
| 67 : | dst[3] = (src1[3] + src2[3] + round) >> 1; | ||
| 68 : | dst[4] = (src1[4] + src2[4] + round) >> 1; | ||
| 69 : | dst[5] = (src1[5] + src2[5] + round) >> 1; | ||
| 70 : | dst[6] = (src1[6] + src2[6] + round) >> 1; | ||
| 71 : | dst[7] = (src1[7] + src2[7] + round) >> 1; | ||
| 72 : | |||
| 73 : | dst += stride; | ||
| 74 : | src1 += stride; | ||
| 75 : | src2 += stride; | ||
| 76 : | } | ||
| 77 : | } | ||
| 78 : | |||
| 79 : | void interpolate8x8_avg4_c(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, const uint8_t *src4, const uint32_t stride, const uint32_t rounding) | ||
| 80 : | { | ||
| 81 : | int32_t i; | ||
| 82 : | const int32_t round = 2 - rounding; | ||
| 83 : | |||
| 84 : | for(i = 0; i < 8; i++) | ||
| 85 : | { | ||
| 86 : | dst[0] = (src1[0] + src2[0] + src3[0] + src4[0] + round) >> 2; | ||
| 87 : | dst[1] = (src1[1] + src2[1] + src3[1] + src4[1] + round) >> 2; | ||
| 88 : | dst[2] = (src1[2] + src2[2] + src3[2] + src4[2] + round) >> 2; | ||
| 89 : | dst[3] = (src1[3] + src2[3] + src3[3] + src4[3] + round) >> 2; | ||
| 90 : | dst[4] = (src1[4] + src2[4] + src3[4] + src4[4] + round) >> 2; | ||
| 91 : | dst[5] = (src1[5] + src2[5] + src3[5] + src4[5] + round) >> 2; | ||
| 92 : | dst[6] = (src1[6] + src2[6] + src3[6] + src4[6] + round) >> 2; | ||
| 93 : | dst[7] = (src1[7] + src2[7] + src3[7] + src4[7] + round) >> 2; | ||
| 94 : | |||
| 95 : | dst += stride; | ||
| 96 : | src1 += stride; | ||
| 97 : | src2 += stride; | ||
| 98 : | src3 += stride; | ||
| 99 : | src4 += stride; | ||
| 100 : | } | ||
| 101 : | } | ||
| 102 : | |||
| 103 : | // dst = interpolate(src) | ||
| 104 : | |||
| 105 : | Isibaar | 333 | void |
| 106 : | interpolate8x8_halfpel_h_c(uint8_t * const dst, | ||
| 107 : | const uint8_t * const src, | ||
| 108 : | const uint32_t stride, | ||
| 109 : | const uint32_t rounding) | ||
| 110 : | { | ||
| 111 : | edgomez | 952 | intptr_t j; |
| 112 : | |||
| 113 : | if (rounding) | ||
| 114 : | for (j = 7*stride; j >= 0; j-=stride) | ||
| 115 : | { | ||
| 116 : | dst[j + 0] = (uint8_t)((src[j + 0] + src[j + 1] )>>1); | ||
| 117 : | dst[j + 1] = (uint8_t)((src[j + 1] + src[j + 2] )>>1); | ||
| 118 : | dst[j + 2] = (uint8_t)((src[j + 2] + src[j + 3] )>>1); | ||
| 119 : | dst[j + 3] = (uint8_t)((src[j + 3] + src[j + 4] )>>1); | ||
| 120 : | dst[j + 4] = (uint8_t)((src[j + 4] + src[j + 5] )>>1); | ||
| 121 : | dst[j + 5] = (uint8_t)((src[j + 5] + src[j + 6] )>>1); | ||
| 122 : | dst[j + 6] = (uint8_t)((src[j + 6] + src[j + 7] )>>1); | ||
| 123 : | dst[j + 7] = (uint8_t)((src[j + 7] + src[j + 8] )>>1); | ||
| 124 : | Isibaar | 333 | } |
| 125 : | edgomez | 952 | else |
| 126 : | for (j = 0; j < 8*stride; j+=stride) /* forward or backwards? Who knows ... */ | ||
| 127 : | { | ||
| 128 : | dst[j + 0] = (uint8_t)((src[j + 0] + src[j + 1] + 1)>>1); | ||
| 129 : | dst[j + 1] = (uint8_t)((src[j + 1] + src[j + 2] + 1)>>1); | ||
| 130 : | dst[j + 2] = (uint8_t)((src[j + 2] + src[j + 3] + 1)>>1); | ||
| 131 : | dst[j + 3] = (uint8_t)((src[j + 3] + src[j + 4] + 1)>>1); | ||
| 132 : | dst[j + 4] = (uint8_t)((src[j + 4] + src[j + 5] + 1)>>1); | ||
| 133 : | dst[j + 5] = (uint8_t)((src[j + 5] + src[j + 6] + 1)>>1); | ||
| 134 : | dst[j + 6] = (uint8_t)((src[j + 6] + src[j + 7] + 1)>>1); | ||
| 135 : | dst[j + 7] = (uint8_t)((src[j + 7] + src[j + 8] + 1)>>1); | ||
| 136 : | } | ||
| 137 : | Isibaar | 333 | } |
| 138 : | |||
| 139 : | |||
| 140 : | |||
| 141 : | void | ||
| 142 : | interpolate8x8_halfpel_v_c(uint8_t * const dst, | ||
| 143 : | const uint8_t * const src, | ||
| 144 : | const uint32_t stride, | ||
| 145 : | const uint32_t rounding) | ||
| 146 : | { | ||
| 147 : | edgomez | 952 | intptr_t j; |
| 148 : | Isibaar | 333 | |
| 149 : | |||
| 150 : | edgomez | 952 | if (rounding) |
| 151 : | for (j = 0; j < 8*stride; j+=stride) /* forward is better. Some automatic prefetch perhaps. */ | ||
| 152 : | { | ||
| 153 : | dst[j + 0] = (uint8_t)((src[j + 0] + src[j + stride + 0] )>>1); | ||
| 154 : | dst[j + 1] = (uint8_t)((src[j + 1] + src[j + stride + 1] )>>1); | ||
| 155 : | dst[j + 2] = (uint8_t)((src[j + 2] + src[j + stride + 2] )>>1); | ||
| 156 : | dst[j + 3] = (uint8_t)((src[j + 3] + src[j + stride + 3] )>>1); | ||
| 157 : | dst[j + 4] = (uint8_t)((src[j + 4] + src[j + stride + 4] )>>1); | ||
| 158 : | dst[j + 5] = (uint8_t)((src[j + 5] + src[j + stride + 5] )>>1); | ||
| 159 : | dst[j + 6] = (uint8_t)((src[j + 6] + src[j + stride + 6] )>>1); | ||
| 160 : | dst[j + 7] = (uint8_t)((src[j + 7] + src[j + stride + 7] )>>1); | ||
| 161 : | Isibaar | 333 | } |
| 162 : | edgomez | 952 | else |
| 163 : | for (j = 0; j < 8*stride; j+=stride) | ||
| 164 : | { | ||
| 165 : | dst[j + 0] = (uint8_t)((src[j + 0] + src[j + stride + 0] + 1)>>1); | ||
| 166 : | dst[j + 1] = (uint8_t)((src[j + 1] + src[j + stride + 1] + 1)>>1); | ||
| 167 : | dst[j + 2] = (uint8_t)((src[j + 2] + src[j + stride + 2] + 1)>>1); | ||
| 168 : | dst[j + 3] = (uint8_t)((src[j + 3] + src[j + stride + 3] + 1)>>1); | ||
| 169 : | dst[j + 4] = (uint8_t)((src[j + 4] + src[j + stride + 4] + 1)>>1); | ||
| 170 : | dst[j + 5] = (uint8_t)((src[j + 5] + src[j + stride + 5] + 1)>>1); | ||
| 171 : | dst[j + 6] = (uint8_t)((src[j + 6] + src[j + stride + 6] + 1)>>1); | ||
| 172 : | dst[j + 7] = (uint8_t)((src[j + 7] + src[j + stride + 7] + 1)>>1); | ||
| 173 : | } | ||
| 174 : | Isibaar | 333 | } |
| 175 : | |||
| 176 : | |||
| 177 : | void | ||
| 178 : | interpolate8x8_halfpel_hv_c(uint8_t * const dst, | ||
| 179 : | const uint8_t * const src, | ||
| 180 : | const uint32_t stride, | ||
| 181 : | const uint32_t rounding) | ||
| 182 : | { | ||
| 183 : | edgomez | 952 | intptr_t j; |
| 184 : | Isibaar | 333 | |
| 185 : | edgomez | 952 | if (rounding) |
| 186 : | for (j = 7*stride; j >= 0; j-=stride) | ||
| 187 : | { | ||
| 188 : | dst[j + 0] = (uint8_t)((src[j+0] + src[j+1] + src[j+stride+0] + src[j+stride+1] +1)>>2); | ||
| 189 : | dst[j + 1] = (uint8_t)((src[j+1] + src[j+2] + src[j+stride+1] + src[j+stride+2] +1)>>2); | ||
| 190 : | dst[j + 2] = (uint8_t)((src[j+2] + src[j+3] + src[j+stride+2] + src[j+stride+3] +1)>>2); | ||
| 191 : | dst[j + 3] = (uint8_t)((src[j+3] + src[j+4] + src[j+stride+3] + src[j+stride+4] +1)>>2); | ||
| 192 : | dst[j + 4] = (uint8_t)((src[j+4] + src[j+5] + src[j+stride+4] + src[j+stride+5] +1)>>2); | ||
| 193 : | dst[j + 5] = (uint8_t)((src[j+5] + src[j+6] + src[j+stride+5] + src[j+stride+6] +1)>>2); | ||
| 194 : | dst[j + 6] = (uint8_t)((src[j+6] + src[j+7] + src[j+stride+6] + src[j+stride+7] +1)>>2); | ||
| 195 : | dst[j + 7] = (uint8_t)((src[j+7] + src[j+8] + src[j+stride+7] + src[j+stride+8] +1)>>2); | ||
| 196 : | Isibaar | 333 | } |
| 197 : | edgomez | 952 | else |
| 198 : | for (j = 7*stride; j >= 0; j-=stride) | ||
| 199 : | { | ||
| 200 : | dst[j + 0] = (uint8_t)((src[j+0] + src[j+1] + src[j+stride+0] + src[j+stride+1] +2)>>2); | ||
| 201 : | dst[j + 1] = (uint8_t)((src[j+1] + src[j+2] + src[j+stride+1] + src[j+stride+2] +2)>>2); | ||
| 202 : | dst[j + 2] = (uint8_t)((src[j+2] + src[j+3] + src[j+stride+2] + src[j+stride+3] +2)>>2); | ||
| 203 : | dst[j + 3] = (uint8_t)((src[j+3] + src[j+4] + src[j+stride+3] + src[j+stride+4] +2)>>2); | ||
| 204 : | dst[j + 4] = (uint8_t)((src[j+4] + src[j+5] + src[j+stride+4] + src[j+stride+5] +2)>>2); | ||
| 205 : | dst[j + 5] = (uint8_t)((src[j+5] + src[j+6] + src[j+stride+5] + src[j+stride+6] +2)>>2); | ||
| 206 : | dst[j + 6] = (uint8_t)((src[j+6] + src[j+7] + src[j+stride+6] + src[j+stride+7] +2)>>2); | ||
| 207 : | dst[j + 7] = (uint8_t)((src[j+7] + src[j+8] + src[j+stride+7] + src[j+stride+8] +2)>>2); | ||
| 208 : | } | ||
| 209 : | Isibaar | 333 | } |
| 210 : | |||
| 211 : | edgomez | 851 | /************************************************************* |
| 212 : | * QPEL STUFF STARTS HERE * | ||
| 213 : | *************************************************************/ | ||
| 214 : | |||
| 215 : | void interpolate8x8_6tap_lowpass_h_c(uint8_t *dst, uint8_t *src, int32_t stride, int32_t rounding) | ||
| 216 : | Isibaar | 333 | { |
| 217 : | edgomez | 851 | int32_t i; |
| 218 : | uint8_t round_add = 16 - rounding; | ||
| 219 : | Isibaar | 333 | |
| 220 : | edgomez | 851 | for(i = 0; i < 8; i++) |
| 221 : | { | ||
| 222 : | |||
| 223 : | dst[0] = CLIP((((src[-2] + src[3]) + 5 * (((src[0] + src[1])<<2) - (src[-1] + src[2])) + round_add) >> 5), 0, 255); | ||
| 224 : | dst[1] = CLIP((((src[-1] + src[4]) + 5 * (((src[1] + src[2])<<2) - (src[0] + src[3])) + round_add) >> 5), 0, 255); | ||
| 225 : | dst[2] = CLIP((((src[0] + src[5]) + 5 * (((src[2] + src[3])<<2) - (src[1] + src[4])) + round_add) >> 5), 0, 255); | ||
| 226 : | dst[3] = CLIP((((src[1] + src[6]) + 5 * (((src[3] + src[4])<<2) - (src[2] + src[5])) + round_add) >> 5), 0, 255); | ||
| 227 : | dst[4] = CLIP((((src[2] + src[7]) + 5 * (((src[4] + src[5])<<2) - (src[3] + src[6])) + round_add) >> 5), 0, 255); | ||
| 228 : | dst[5] = CLIP((((src[3] + src[8]) + 5 * (((src[5] + src[6])<<2) - (src[4] + src[7])) + round_add) >> 5), 0, 255); | ||
| 229 : | dst[6] = CLIP((((src[4] + src[9]) + 5 * (((src[6] + src[7])<<2) - (src[5] + src[8])) + round_add) >> 5), 0, 255); | ||
| 230 : | dst[7] = CLIP((((src[5] + src[10]) + 5 * (((src[7] + src[8])<<2) - (src[6] + src[9])) + round_add) >> 5), 0, 255); | ||
| 231 : | |||
| 232 : | dst += stride; | ||
| 233 : | src += stride; | ||
| 234 : | } | ||
| 235 : | Isibaar | 333 | } |
| 236 : | edgomez | 851 | |
| 237 : | void interpolate16x16_lowpass_h_c(uint8_t *dst, uint8_t *src, int32_t stride, int32_t rounding) | ||
| 238 : | { | ||
| 239 : | int32_t i; | ||
| 240 : | uint8_t round_add = 16 - rounding; | ||
| 241 : | |||
| 242 : | for(i = 0; i < 17; i++) | ||
| 243 : | { | ||
| 244 : | |||
| 245 : | dst[0] = CLIP(((7 * ((src[0]<<1) - src[2]) + 23 * src[1] + 3 * src[3] - src[4] + round_add) >> 5), 0, 255); | ||
| 246 : | dst[1] = CLIP(((19 * src[1] + 20 * src[2] - src[5] + 3 * (src[4] - src[0] - (src[3]<<1)) + round_add) >> 5), 0, 255); | ||
| 247 : | dst[2] = CLIP(((20 * (src[2] + src[3]) + (src[0]<<1) + 3 * (src[5] - ((src[1] + src[4])<<1)) - src[6] + round_add) >> 5), 0, 255); | ||
| 248 : | |||
| 249 : | dst[3] = CLIP(((20 * (src[3] + src[4]) + 3 * ((src[6] + src[1]) - ((src[2] + src[5])<<1)) - (src[0] + src[7]) + round_add) >> 5), 0, 255); | ||
| 250 : | dst[4] = CLIP(((20 * (src[4] + src[5]) - 3 * (((src[3] + src[6])<<1) - (src[2] + src[7])) - (src[1] + src[8]) + round_add) >> 5), 0, 255); | ||
| 251 : | dst[5] = CLIP(((20 * (src[5] + src[6]) - 3 * (((src[4] + src[7])<<1) - (src[3] + src[8])) - (src[2] + src[9]) + round_add) >> 5), 0, 255); | ||
| 252 : | dst[6] = CLIP(((20 * (src[6] + src[7]) - 3 * (((src[5] + src[8])<<1) - (src[4] + src[9])) - (src[3] + src[10]) + round_add) >> 5), 0, 255); | ||
| 253 : | dst[7] = CLIP(((20 * (src[7] + src[8]) - 3 * (((src[6] + src[9])<<1) - (src[5] + src[10])) - (src[4] + src[11]) + round_add) >> 5), 0, 255); | ||
| 254 : | dst[8] = CLIP(((20 * (src[8] + src[9]) - 3 * (((src[7] + src[10])<<1) - (src[6] + src[11])) - (src[5] + src[12]) + round_add) >> 5), 0, 255); | ||
| 255 : | dst[9] = CLIP(((20 * (src[9] + src[10]) - 3 * (((src[8] + src[11])<<1) - (src[7] + src[12])) - (src[6] + src[13]) + round_add) >> 5), 0, 255); | ||
| 256 : | dst[10] = CLIP(((20 * (src[10] + src[11]) - 3 * (((src[9] + src[12])<<1) - (src[8] + src[13])) - (src[7] + src[14]) + round_add) >> 5), 0, 255); | ||
| 257 : | dst[11] = CLIP(((20 * (src[11] + src[12]) - 3 * (((src[10] + src[13])<<1) - (src[9] + src[14])) - (src[8] + src[15]) + round_add) >> 5), 0, 255); | ||
| 258 : | dst[12] = CLIP(((20 * (src[12] + src[13]) - 3 * (((src[11] + src[14])<<1) - (src[10] + src[15])) - (src[9] + src[16]) + round_add) >> 5), 0, 255); | ||
| 259 : | |||
| 260 : | dst[13] = CLIP(((20 * (src[13] + src[14]) + (src[16]<<1) + 3 * (src[11] - ((src[12] + src[15]) << 1)) - src[10] + round_add) >> 5), 0, 255); | ||
| 261 : | dst[14] = CLIP(((19 * src[15] + 20 * src[14] + 3 * (src[12] - src[16] - (src[13] << 1)) - src[11] + round_add) >> 5), 0, 255); | ||
| 262 : | dst[15] = CLIP(((23 * src[15] + 7 * ((src[16]<<1) - src[14]) + 3 * src[13] - src[12] + round_add) >> 5), 0, 255); | ||
| 263 : | |||
| 264 : | dst += stride; | ||
| 265 : | src += stride; | ||
| 266 : | } | ||
| 267 : | } | ||
| 268 : | |||
| 269 : | void interpolate8x8_lowpass_h_c(uint8_t *dst, uint8_t *src, int32_t stride, int32_t rounding) | ||
| 270 : | { | ||
| 271 : | int32_t i; | ||
| 272 : | uint8_t round_add = 16 - rounding; | ||
| 273 : | |||
| 274 : | for(i = 0; i < 9; i++) | ||
| 275 : | { | ||
| 276 : | |||
| 277 : | dst[0] = CLIP(((7 * ((src[0]<<1) - src[2]) + 23 * src[1] + 3 * src[3] - src[4] + round_add) >> 5), 0, 255); | ||
| 278 : | dst[1] = CLIP(((19 * src[1] + 20 * src[2] - src[5] + 3 * (src[4] - src[0] - (src[3]<<1)) + round_add) >> 5), 0, 255); | ||
| 279 : | dst[2] = CLIP(((20 * (src[2] + src[3]) + (src[0]<<1) + 3 * (src[5] - ((src[1] + src[4])<<1)) - src[6] + round_add) >> 5), 0, 255); | ||
| 280 : | dst[3] = CLIP(((20 * (src[3] + src[4]) + 3 * ((src[6] + src[1]) - ((src[2] + src[5])<<1)) - (src[0] + src[7]) + round_add) >> 5), 0, 255); | ||
| 281 : | dst[4] = CLIP(((20 * (src[4] + src[5]) - 3 * (((src[3] + src[6])<<1) - (src[2] + src[7])) - (src[1] + src[8]) + round_add) >> 5), 0, 255); | ||
| 282 : | dst[5] = CLIP(((20 * (src[5] + src[6]) + (src[8]<<1) + 3 * (src[3] - ((src[4] + src[7]) << 1)) - src[2] + round_add) >> 5), 0, 255); | ||
| 283 : | dst[6] = CLIP(((19 * src[7] + 20 * src[6] + 3 * (src[4] - src[8] - (src[5] << 1)) - src[3] + round_add) >> 5), 0, 255); | ||
| 284 : | dst[7] = CLIP(((23 * src[7] + 7 * ((src[8]<<1) - src[6]) + 3 * src[5] - src[4] + round_add) >> 5), 0, 255); | ||
| 285 : | |||
| 286 : | dst += stride; | ||
| 287 : | src += stride; | ||
| 288 : | } | ||
| 289 : | } | ||
| 290 : | |||
| 291 : | void interpolate8x8_6tap_lowpass_v_c(uint8_t *dst, uint8_t *src, int32_t stride, int32_t rounding) | ||
| 292 : | { | ||
| 293 : | int32_t i; | ||
| 294 : | uint8_t round_add = 16 - rounding; | ||
| 295 : | |||
| 296 : | for(i = 0; i < 8; i++) | ||
| 297 : | { | ||
| 298 : | int32_t src_2 = src[-2*stride]; | ||
| 299 : | int32_t src_1 = src[-stride]; | ||
| 300 : | int32_t src0 = src[0]; | ||
| 301 : | int32_t src1 = src[stride]; | ||
| 302 : | int32_t src2 = src[2 * stride]; | ||
| 303 : | int32_t src3 = src[3 * stride]; | ||
| 304 : | int32_t src4 = src[4 * stride]; | ||
| 305 : | int32_t src5 = src[5 * stride]; | ||
| 306 : | int32_t src6 = src[6 * stride]; | ||
| 307 : | int32_t src7 = src[7 * stride]; | ||
| 308 : | int32_t src8 = src[8 * stride]; | ||
| 309 : | int32_t src9 = src[9 * stride]; | ||
| 310 : | int32_t src10 = src[10 * stride]; | ||
| 311 : | |||
| 312 : | dst[0] = CLIP((((src_2 + src3) + 5 * (((src0 + src1)<<2) - (src_1 + src2)) + round_add) >> 5), 0, 255); | ||
| 313 : | dst[stride] = CLIP((((src_1 + src4) + 5 * (((src1 + src2)<<2) - (src0 + src3)) + round_add) >> 5), 0, 255); | ||
| 314 : | dst[2 * stride] = CLIP((((src0 + src5) + 5 * (((src2 + src3)<<2) - (src1 + src4)) + round_add) >> 5), 0, 255); | ||
| 315 : | dst[3 * stride] = CLIP((((src1 + src6) + 5 * (((src3 + src4)<<2) - (src2 + src5)) + round_add) >> 5), 0, 255); | ||
| 316 : | dst[4 * stride] = CLIP((((src2 + src7) + 5 * (((src4 + src5)<<2) - (src3 + src6)) + round_add) >> 5), 0, 255); | ||
| 317 : | dst[5 * stride] = CLIP((((src3 + src8) + 5 * (((src5 + src6)<<2) - (src4 + src7)) + round_add) >> 5), 0, 255); | ||
| 318 : | dst[6 * stride] = CLIP((((src4 + src9) + 5 * (((src6 + src7)<<2) - (src5 + src8)) + round_add) >> 5), 0, 255); | ||
| 319 : | dst[7 * stride] = CLIP((((src5 + src10) + 5 * (((src7 + src8)<<2) - (src6 + src9)) + round_add) >> 5), 0, 255); | ||
| 320 : | |||
| 321 : | dst++; | ||
| 322 : | src++; | ||
| 323 : | } | ||
| 324 : | } | ||
| 325 : | |||
| 326 : | void interpolate16x16_lowpass_v_c(uint8_t *dst, uint8_t *src, int32_t stride, int32_t rounding) | ||
| 327 : | { | ||
| 328 : | int32_t i; | ||
| 329 : | uint8_t round_add = 16 - rounding; | ||
| 330 : | |||
| 331 : | for(i = 0; i < 17; i++) | ||
| 332 : | { | ||
| 333 : | int32_t src0 = src[0]; | ||
| 334 : | int32_t src1 = src[stride]; | ||
| 335 : | int32_t src2 = src[2 * stride]; | ||
| 336 : | int32_t src3 = src[3 * stride]; | ||
| 337 : | int32_t src4 = src[4 * stride]; | ||
| 338 : | int32_t src5 = src[5 * stride]; | ||
| 339 : | int32_t src6 = src[6 * stride]; | ||
| 340 : | int32_t src7 = src[7 * stride]; | ||
| 341 : | int32_t src8 = src[8 * stride]; | ||
| 342 : | int32_t src9 = src[9 * stride]; | ||
| 343 : | int32_t src10 = src[10 * stride]; | ||
| 344 : | int32_t src11 = src[11 * stride]; | ||
| 345 : | int32_t src12 = src[12 * stride]; | ||
| 346 : | int32_t src13 = src[13 * stride]; | ||
| 347 : | int32_t src14 = src[14 * stride]; | ||
| 348 : | int32_t src15 = src[15 * stride]; | ||
| 349 : | int32_t src16 = src[16 * stride]; | ||
| 350 : | |||
| 351 : | |||
| 352 : | dst[0] = CLIP(((7 * ((src0<<1) - src2) + 23 * src1 + 3 * src3 - src4 + round_add) >> 5), 0, 255); | ||
| 353 : | dst[stride] = CLIP(((19 * src1 + 20 * src2 - src5 + 3 * (src4 - src0 - (src3<<1)) + round_add) >> 5), 0, 255); | ||
| 354 : | dst[2*stride] = CLIP(((20 * (src2 + src3) + (src0<<1) + 3 * (src5 - ((src1 + src4)<<1)) - src6 + round_add) >> 5), 0, 255); | ||
| 355 : | |||
| 356 : | dst[3*stride] = CLIP(((20 * (src3 + src4) + 3 * ((src6 + src1) - ((src2 + src5)<<1)) - (src0 + src7) + round_add) >> 5), 0, 255); | ||
| 357 : | dst[4*stride] = CLIP(((20 * (src4 + src5) - 3 * (((src3 + src6)<<1) - (src2 + src7)) - (src1 + src8) + round_add) >> 5), 0, 255); | ||
| 358 : | dst[5*stride] = CLIP(((20 * (src5 + src6) - 3 * (((src4 + src7)<<1) - (src3 + src8)) - (src2 + src9) + round_add) >> 5), 0, 255); | ||
| 359 : | dst[6*stride] = CLIP(((20 * (src6 + src7) - 3 * (((src5 + src8)<<1) - (src4 + src9)) - (src3 + src10) + round_add) >> 5), 0, 255); | ||
| 360 : | dst[7*stride] = CLIP(((20 * (src7 + src8) - 3 * (((src6 + src9)<<1) - (src5 + src10)) - (src4 + src11) + round_add) >> 5), 0, 255); | ||
| 361 : | dst[8*stride] = CLIP(((20 * (src8 + src9) - 3 * (((src7 + src10)<<1) - (src6 + src11)) - (src5 + src12) + round_add) >> 5), 0, 255); | ||
| 362 : | dst[9*stride] = CLIP(((20 * (src9 + src10) - 3 * (((src8 + src11)<<1) - (src7 + src12)) - (src6 + src13) + round_add) >> 5), 0, 255); | ||
| 363 : | dst[10*stride] = CLIP(((20 * (src10 + src11) - 3 * (((src9 + src12)<<1) - (src8 + src13)) - (src7 + src14) + round_add) >> 5), 0, 255); | ||
| 364 : | dst[11*stride] = CLIP(((20 * (src11 + src12) - 3 * (((src10 + src13)<<1) - (src9 + src14)) - (src8 + src15) + round_add) >> 5), 0, 255); | ||
| 365 : | dst[12*stride] = CLIP(((20 * (src12 + src13) - 3 * (((src11 + src14)<<1) - (src10 + src15)) - (src9 + src16) + round_add) >> 5), 0, 255); | ||
| 366 : | |||
| 367 : | dst[13*stride] = CLIP(((20 * (src13 + src14) + (src16<<1) + 3 * (src11 - ((src12 + src15) << 1)) - src10 + round_add) >> 5), 0, 255); | ||
| 368 : | dst[14*stride] = CLIP(((19 * src15 + 20 * src14 + 3 * (src12 - src16 - (src13 << 1)) - src11 + round_add) >> 5), 0, 255); | ||
| 369 : | dst[15*stride] = CLIP(((23 * src15 + 7 * ((src16<<1) - src14) + 3 * src13 - src12 + round_add) >> 5), 0, 255); | ||
| 370 : | |||
| 371 : | dst++; | ||
| 372 : | src++; | ||
| 373 : | } | ||
| 374 : | } | ||
| 375 : | |||
| 376 : | void interpolate8x8_lowpass_v_c(uint8_t *dst, uint8_t *src, int32_t stride, int32_t rounding) | ||
| 377 : | { | ||
| 378 : | int32_t i; | ||
| 379 : | uint8_t round_add = 16 - rounding; | ||
| 380 : | |||
| 381 : | for(i = 0; i < 9; i++) | ||
| 382 : | { | ||
| 383 : | int32_t src0 = src[0]; | ||
| 384 : | int32_t src1 = src[stride]; | ||
| 385 : | int32_t src2 = src[2 * stride]; | ||
| 386 : | int32_t src3 = src[3 * stride]; | ||
| 387 : | int32_t src4 = src[4 * stride]; | ||
| 388 : | int32_t src5 = src[5 * stride]; | ||
| 389 : | int32_t src6 = src[6 * stride]; | ||
| 390 : | int32_t src7 = src[7 * stride]; | ||
| 391 : | int32_t src8 = src[8 * stride]; | ||
| 392 : | |||
| 393 : | dst[0] = CLIP(((7 * ((src0<<1) - src2) + 23 * src1 + 3 * src3 - src4 + round_add) >> 5), 0, 255); | ||
| 394 : | dst[stride] = CLIP(((19 * src1 + 20 * src2 - src5 + 3 * (src4 - src0 - (src3 << 1)) + round_add) >> 5), 0, 255); | ||
| 395 : | dst[2 * stride] = CLIP(((20 * (src2 + src3) + (src0<<1) + 3 * (src5 - ((src1 + src4) <<1 )) - src6 + round_add) >> 5), 0, 255); | ||
| 396 : | dst[3 * stride] = CLIP(((20 * (src3 + src4) + 3 * ((src6 + src1) - ((src2 + src5)<<1)) - (src0 + src7) + round_add) >> 5), 0, 255); | ||
| 397 : | dst[4 * stride] = CLIP(((20 * (src4 + src5) + 3 * ((src2 + src7) - ((src3 + src6)<<1)) - (src1 + src8) + round_add) >> 5), 0, 255); | ||
| 398 : | dst[5 * stride] = CLIP(((20 * (src5 + src6) + (src8<<1) + 3 * (src3 - ((src4 + src7) << 1)) - src2 + round_add) >> 5), 0, 255); | ||
| 399 : | dst[6 * stride] = CLIP(((19 * src7 + 20 * src6 - src3 + 3 * (src4 - src8 - (src5 << 1)) + round_add) >> 5), 0, 255); | ||
| 400 : | dst[7 * stride] = CLIP(((7 * ((src8<<1) - src6) + 23 * src7 + 3 * src5 - src4 + round_add) >> 5), 0, 255); | ||
| 401 : | |||
| 402 : | dst++; | ||
| 403 : | src++; | ||
| 404 : | } | ||
| 405 : | } | ||
| 406 : | |||
| 407 : | void interpolate16x16_lowpass_hv_c(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int32_t stride, int32_t rounding) | ||
| 408 : | { | ||
| 409 : | int32_t i; | ||
| 410 : | uint8_t round_add = 16 - rounding; | ||
| 411 : | uint8_t *h_ptr = dst2; | ||
| 412 : | |||
| 413 : | for(i = 0; i < 17; i++) | ||
| 414 : | { | ||
| 415 : | |||
| 416 : | h_ptr[0] = CLIP(((7 * ((src[0]<<1) - src[2]) + 23 * src[1] + 3 * src[3] - src[4] + round_add) >> 5), 0, 255); | ||
| 417 : | h_ptr[1] = CLIP(((19 * src[1] + 20 * src[2] - src[5] + 3 * (src[4] - src[0] - (src[3]<<1)) + round_add) >> 5), 0, 255); | ||
| 418 : | h_ptr[2] = CLIP(((20 * (src[2] + src[3]) + (src[0]<<1) + 3 * (src[5] - ((src[1] + src[4])<<1)) - src[6] + round_add) >> 5), 0, 255); | ||
| 419 : | |||
| 420 : | h_ptr[3] = CLIP(((20 * (src[3] + src[4]) + 3 * ((src[6] + src[1]) - ((src[2] + src[5])<<1)) - (src[0] + src[7]) + round_add) >> 5), 0, 255); | ||
| 421 : | h_ptr[4] = CLIP(((20 * (src[4] + src[5]) - 3 * (((src[3] + src[6])<<1) - (src[2] + src[7])) - (src[1] + src[8]) + round_add) >> 5), 0, 255); | ||
| 422 : | h_ptr[5] = CLIP(((20 * (src[5] + src[6]) - 3 * (((src[4] + src[7])<<1) - (src[3] + src[8])) - (src[2] + src[9]) + round_add) >> 5), 0, 255); | ||
| 423 : | h_ptr[6] = CLIP(((20 * (src[6] + src[7]) - 3 * (((src[5] + src[8])<<1) - (src[4] + src[9])) - (src[3] + src[10]) + round_add) >> 5), 0, 255); | ||
| 424 : | h_ptr[7] = CLIP(((20 * (src[7] + src[8]) - 3 * (((src[6] + src[9])<<1) - (src[5] + src[10])) - (src[4] + src[11]) + round_add) >> 5), 0, 255); | ||
| 425 : | h_ptr[8] = CLIP(((20 * (src[8] + src[9]) - 3 * (((src[7] + src[10])<<1) - (src[6] + src[11])) - (src[5] + src[12]) + round_add) >> 5), 0, 255); | ||
| 426 : | h_ptr[9] = CLIP(((20 * (src[9] + src[10]) - 3 * (((src[8] + src[11])<<1) - (src[7] + src[12])) - (src[6] + src[13]) + round_add) >> 5), 0, 255); | ||
| 427 : | h_ptr[10] = CLIP(((20 * (src[10] + src[11]) - 3 * (((src[9] + src[12])<<1) - (src[8] + src[13])) - (src[7] + src[14]) + round_add) >> 5), 0, 255); | ||
| 428 : | h_ptr[11] = CLIP(((20 * (src[11] + src[12]) - 3 * (((src[10] + src[13])<<1) - (src[9] + src[14])) - (src[8] + src[15]) + round_add) >> 5), 0, 255); | ||
| 429 : | h_ptr[12] = CLIP(((20 * (src[12] + src[13]) - 3 * (((src[11] + src[14])<<1) - (src[10] + src[15])) - (src[9] + src[16]) + round_add) >> 5), 0, 255); | ||
| 430 : | |||
| 431 : | h_ptr[13] = CLIP(((20 * (src[13] + src[14]) + (src[16]<<1) + 3 * (src[11] - ((src[12] + src[15]) << 1)) - src[10] + round_add) >> 5), 0, 255); | ||
| 432 : | h_ptr[14] = CLIP(((19 * src[15] + 20 * src[14] + 3 * (src[12] - src[16] - (src[13] << 1)) - src[11] + round_add) >> 5), 0, 255); | ||
| 433 : | h_ptr[15] = CLIP(((23 * src[15] + 7 * ((src[16]<<1) - src[14]) + 3 * src[13] - src[12] + round_add) >> 5), 0, 255); | ||
| 434 : | |||
| 435 : | h_ptr += stride; | ||
| 436 : | src += stride; | ||
| 437 : | } | ||
| 438 : | |||
| 439 : | interpolate16x16_lowpass_v_c(dst1, dst2, stride, rounding); | ||
| 440 : | |||
| 441 : | } | ||
| 442 : | |||
| 443 : | void interpolate8x8_lowpass_hv_c(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int32_t stride, int32_t rounding) | ||
| 444 : | { | ||
| 445 : | int32_t i; | ||
| 446 : | uint8_t round_add = 16 - rounding; | ||
| 447 : | uint8_t *h_ptr = dst2; | ||
| 448 : | |||
| 449 : | for(i = 0; i < 9; i++) | ||
| 450 : | { | ||
| 451 : | |||
| 452 : | h_ptr[0] = CLIP(((7 * ((src[0]<<1) - src[2]) + 23 * src[1] + 3 * src[3] - src[4] + round_add) >> 5), 0, 255); | ||
| 453 : | h_ptr[1] = CLIP(((19 * src[1] + 20 * src[2] - src[5] + 3 * (src[4] - src[0] - (src[3]<<1)) + round_add) >> 5), 0, 255); | ||
| 454 : | h_ptr[2] = CLIP(((20 * (src[2] + src[3]) + (src[0]<<1) + 3 * (src[5] - ((src[1] + src[4])<<1)) - src[6] + round_add) >> 5), 0, 255); | ||
| 455 : | h_ptr[3] = CLIP(((20 * (src[3] + src[4]) + 3 * ((src[6] + src[1]) - ((src[2] + src[5])<<1)) - (src[0] + src[7]) + round_add) >> 5), 0, 255); | ||
| 456 : | h_ptr[4] = CLIP(((20 * (src[4] + src[5]) - 3 * (((src[3] + src[6])<<1) - (src[2] + src[7])) - (src[1] + src[8]) + round_add) >> 5), 0, 255); | ||
| 457 : | h_ptr[5] = CLIP(((20 * (src[5] + src[6]) + (src[8]<<1) + 3 * (src[3] - ((src[4] + src[7]) << 1)) - src[2] + round_add) >> 5), 0, 255); | ||
| 458 : | h_ptr[6] = CLIP(((19 * src[7] + 20 * src[6] + 3 * (src[4] - src[8] - (src[5] << 1)) - src[3] + round_add) >> 5), 0, 255); | ||
| 459 : | h_ptr[7] = CLIP(((23 * src[7] + 7 * ((src[8]<<1) - src[6]) + 3 * src[5] - src[4] + round_add) >> 5), 0, 255); | ||
| 460 : | |||
| 461 : | h_ptr += stride; | ||
| 462 : | src += stride; | ||
| 463 : | } | ||
| 464 : | |||
| 465 : | interpolate8x8_lowpass_v_c(dst1, dst2, stride, rounding); | ||
| 466 : | |||
| 467 : | } |
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