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| 1 : | chl | 1.6 | /***************************************************************************** |
| 2 : | * | ||
| 3 : | * XVID MPEG-4 VIDEO CODEC | ||
| 4 : | * - 8x8 block-based halfpel interpolation - headers | ||
| 5 : | * | ||
| 6 : | * Copyright(C) 2002 Peter Ross <pross@xvid.org> | ||
| 7 : | * | ||
| 8 : | * This program is an implementation of a part of one or more MPEG-4 | ||
| 9 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
| 10 : | * to use this software module in hardware or software products are | ||
| 11 : | * advised that its use may infringe existing patents or copyrights, and | ||
| 12 : | * any such use would be at such party's own risk. The original | ||
| 13 : | * developer of this software module and his/her company, and subsequent | ||
| 14 : | * editors and their companies, will have no liability for use of this | ||
| 15 : | * software or modifications or derivatives thereof. | ||
| 16 : | * | ||
| 17 : | * This program is free software; you can redistribute it and/or modify | ||
| 18 : | * it under the terms of the GNU General Public License as published by | ||
| 19 : | * the Free Software Foundation; either version 2 of the License, or | ||
| 20 : | * (at your option) any later version. | ||
| 21 : | * | ||
| 22 : | * This program is distributed in the hope that it will be useful, | ||
| 23 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 24 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 25 : | * GNU General Public License for more details. | ||
| 26 : | * | ||
| 27 : | * You should have received a copy of the GNU General Public License | ||
| 28 : | * along with this program; if not, write to the Free Software | ||
| 29 : | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 30 : | * | ||
| 31 : | ****************************************************************************/ | ||
| 32 : | |||
| 33 : | Isibaar | 1.1 | #include "../utils/mem_transfer.h" |
| 34 : | |||
| 35 : | edgomez | 1.3 | typedef void (INTERPOLATE8X8) (uint8_t * const dst, |
| 36 : | const uint8_t * const src, | ||
| 37 : | const uint32_t stride, | ||
| 38 : | const uint32_t rounding); | ||
| 39 : | typedef INTERPOLATE8X8 *INTERPOLATE8X8_PTR; | ||
| 40 : | Isibaar | 1.1 | |
| 41 : | extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_h; | ||
| 42 : | extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_v; | ||
| 43 : | extern INTERPOLATE8X8_PTR interpolate8x8_halfpel_hv; | ||
| 44 : | |||
| 45 : | INTERPOLATE8X8 interpolate8x8_halfpel_h_c; | ||
| 46 : | INTERPOLATE8X8 interpolate8x8_halfpel_v_c; | ||
| 47 : | INTERPOLATE8X8 interpolate8x8_halfpel_hv_c; | ||
| 48 : | |||
| 49 : | INTERPOLATE8X8 interpolate8x8_halfpel_h_mmx; | ||
| 50 : | INTERPOLATE8X8 interpolate8x8_halfpel_v_mmx; | ||
| 51 : | INTERPOLATE8X8 interpolate8x8_halfpel_hv_mmx; | ||
| 52 : | |||
| 53 : | INTERPOLATE8X8 interpolate8x8_halfpel_h_xmm; | ||
| 54 : | INTERPOLATE8X8 interpolate8x8_halfpel_v_xmm; | ||
| 55 : | INTERPOLATE8X8 interpolate8x8_halfpel_hv_xmm; | ||
| 56 : | |||
| 57 : | INTERPOLATE8X8 interpolate8x8_halfpel_h_3dn; | ||
| 58 : | INTERPOLATE8X8 interpolate8x8_halfpel_v_3dn; | ||
| 59 : | INTERPOLATE8X8 interpolate8x8_halfpel_hv_3dn; | ||
| 60 : | |||
| 61 : | Isibaar | 1.4 | INTERPOLATE8X8 interpolate8x8_halfpel_h_ia64; |
| 62 : | INTERPOLATE8X8 interpolate8x8_halfpel_v_ia64; | ||
| 63 : | INTERPOLATE8X8 interpolate8x8_halfpel_hv_ia64; | ||
| 64 : | |||
| 65 : | Isibaar | 1.5 | void interpolate8x8_lowpass_h(uint8_t *dst, uint8_t *src, int32_t dst_stride, int32_t src_stride, int32_t rounding); |
| 66 : | void interpolate8x8_lowpass_v(uint8_t *dst, uint8_t *src, int32_t dst_stride, int32_t src_stride, int32_t rounding); | ||
| 67 : | void interpolate8x8_lowpass_hv(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int32_t dst1_stride, int32_t dst2_stride, int32_t src_stride, int32_t rounding); | ||
| 68 : | void interpolate8x8_bilinear2(uint8_t *dst, uint8_t *src1, uint8_t *src2, int32_t dst_stride, int32_t src_stride, int32_t rounding); | ||
| 69 : | void interpolate8x8_bilinear4(uint8_t *dst, uint8_t *src1, uint8_t *src2, uint8_t *src3, uint8_t *src4, int32_t stride, int32_t rounding); | ||
| 70 : | |||
| 71 : | void interpolate8x8_c(uint8_t * const dst, | ||
| 72 : | const uint8_t * const src, | ||
| 73 : | const uint32_t x, | ||
| 74 : | const uint32_t y, | ||
| 75 : | const uint32_t stride); | ||
| 76 : | |||
| 77 : | edgomez | 1.3 | static __inline void |
| 78 : | interpolate8x8_switch(uint8_t * const cur, | ||
| 79 : | const uint8_t * const refn, | ||
| 80 : | const uint32_t x, | ||
| 81 : | const uint32_t y, | ||
| 82 : | const int32_t dx, | ||
| 83 : | const int dy, | ||
| 84 : | const uint32_t stride, | ||
| 85 : | const uint32_t rounding) | ||
| 86 : | Isibaar | 1.1 | { |
| 87 : | int32_t ddx, ddy; | ||
| 88 : | |||
| 89 : | edgomez | 1.3 | switch (((dx & 1) << 1) + (dy & 1)) // ((dx%2)?2:0)+((dy%2)?1:0) |
| 90 : | { | ||
| 91 : | case 0: | ||
| 92 : | ddx = dx / 2; | ||
| 93 : | ddy = dy / 2; | ||
| 94 : | transfer8x8_copy(cur + y * stride + x, | ||
| 95 : | Isibaar | 1.4 | refn + (int)((y + ddy) * stride + x + ddx), stride); |
| 96 : | Isibaar | 1.1 | break; |
| 97 : | |||
| 98 : | edgomez | 1.3 | case 1: |
| 99 : | ddx = dx / 2; | ||
| 100 : | ddy = (dy - 1) / 2; | ||
| 101 : | interpolate8x8_halfpel_v(cur + y * stride + x, | ||
| 102 : | Isibaar | 1.4 | refn + (int)((y + ddy) * stride + x + ddx), stride, |
| 103 : | edgomez | 1.3 | rounding); |
| 104 : | Isibaar | 1.1 | break; |
| 105 : | |||
| 106 : | edgomez | 1.3 | case 2: |
| 107 : | ddx = (dx - 1) / 2; | ||
| 108 : | ddy = dy / 2; | ||
| 109 : | interpolate8x8_halfpel_h(cur + y * stride + x, | ||
| 110 : | Isibaar | 1.4 | refn + (int)((y + ddy) * stride + x + ddx), stride, |
| 111 : | edgomez | 1.3 | rounding); |
| 112 : | Isibaar | 1.1 | break; |
| 113 : | |||
| 114 : | edgomez | 1.3 | default: |
| 115 : | ddx = (dx - 1) / 2; | ||
| 116 : | ddy = (dy - 1) / 2; | ||
| 117 : | interpolate8x8_halfpel_hv(cur + y * stride + x, | ||
| 118 : | Isibaar | 1.4 | refn + (int)((y + ddy) * stride + x + ddx), stride, |
| 119 : | edgomez | 1.3 | rounding); |
| 120 : | Isibaar | 1.1 | break; |
| 121 : | edgomez | 1.3 | } |
| 122 : | Isibaar | 1.1 | } |
| 123 : | chenm001 | 1.2 | |
| 124 : | |||
| 125 : | Isibaar | 1.5 | static __inline void interpolate8x8_quarterpel(uint8_t * const cur, |
| 126 : | uint8_t * const refn, | ||
| 127 : | const uint32_t x, const uint32_t y, | ||
| 128 : | const int32_t dx, const int dy, | ||
| 129 : | const uint32_t stride, | ||
| 130 : | const uint32_t rounding) | ||
| 131 : | { | ||
| 132 : | const int32_t xRef = x*4 + dx; | ||
| 133 : | const int32_t yRef = y*4 + dy; | ||
| 134 : | |||
| 135 : | uint8_t *src, *dst; | ||
| 136 : | int32_t x_int, y_int, x_frac, y_frac; | ||
| 137 : | |||
| 138 : | uint8_t halfpel_h[72]; | ||
| 139 : | uint8_t halfpel_v[64]; | ||
| 140 : | uint8_t halfpel_hv[64]; | ||
| 141 : | |||
| 142 : | x_int = xRef/4; | ||
| 143 : | if (xRef < 0 && xRef % 4) | ||
| 144 : | x_int--; | ||
| 145 : | |||
| 146 : | x_frac = xRef - (4*x_int); | ||
| 147 : | |||
| 148 : | y_int = yRef/4; | ||
| 149 : | if (yRef < 0 && yRef % 4) | ||
| 150 : | y_int--; | ||
| 151 : | |||
| 152 : | y_frac = yRef - (4*y_int); | ||
| 153 : | |||
| 154 : | src = refn + y_int * stride + x_int; | ||
| 155 : | dst = cur + y * stride + x; | ||
| 156 : | |||
| 157 : | switch((y_frac << 2) | (x_frac)) { | ||
| 158 : | |||
| 159 : | case 0: | ||
| 160 : | transfer8x8_copy(dst, src, stride); | ||
| 161 : | break; | ||
| 162 : | |||
| 163 : | case 1: | ||
| 164 : | interpolate8x8_lowpass_h(halfpel_h, src, 8, stride, rounding); | ||
| 165 : | interpolate8x8_bilinear2(dst, src, halfpel_h, stride, stride, rounding); | ||
| 166 : | break; | ||
| 167 : | |||
| 168 : | case 2: | ||
| 169 : | interpolate8x8_lowpass_h(dst, src, stride, stride, rounding); | ||
| 170 : | break; | ||
| 171 : | |||
| 172 : | case 3: | ||
| 173 : | interpolate8x8_lowpass_h(halfpel_h, src, 8, stride, rounding); | ||
| 174 : | interpolate8x8_bilinear2(dst, src+1, halfpel_h, stride, stride, rounding); | ||
| 175 : | break; | ||
| 176 : | |||
| 177 : | case 4: | ||
| 178 : | interpolate8x8_lowpass_v(halfpel_v, src, 8, stride, rounding); | ||
| 179 : | interpolate8x8_bilinear2(dst, src, halfpel_v, stride, stride, rounding); | ||
| 180 : | break; | ||
| 181 : | |||
| 182 : | case 5: | ||
| 183 : | interpolate8x8_lowpass_v(halfpel_v, src, 8, stride, rounding); | ||
| 184 : | interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, 8, 8, stride, rounding); | ||
| 185 : | interpolate8x8_bilinear4(dst, src, halfpel_h, halfpel_v, halfpel_hv, stride, rounding); | ||
| 186 : | break; | ||
| 187 : | |||
| 188 : | case 6: | ||
| 189 : | interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, 8, 8, stride, rounding); | ||
| 190 : | interpolate8x8_bilinear2(dst, halfpel_h, halfpel_hv, stride, 8, 1-rounding); | ||
| 191 : | break; | ||
| 192 : | |||
| 193 : | case 7: | ||
| 194 : | interpolate8x8_lowpass_v(halfpel_v, src+1, 8, stride, 16-rounding); | ||
| 195 : | interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, 8, 8, stride, rounding); | ||
| 196 : | interpolate8x8_bilinear4(dst, src+1, halfpel_h, halfpel_v, halfpel_hv, stride, rounding); | ||
| 197 : | break; | ||
| 198 : | |||
| 199 : | case 8: | ||
| 200 : | interpolate8x8_lowpass_v(dst, src, stride, stride, rounding); | ||
| 201 : | break; | ||
| 202 : | |||
| 203 : | case 9: | ||
| 204 : | interpolate8x8_lowpass_v(halfpel_v, src, 8, stride, 16-rounding); | ||
| 205 : | interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, 8, 8, stride, rounding); | ||
| 206 : | interpolate8x8_bilinear2(dst, halfpel_v, halfpel_hv, stride, 8, rounding); | ||
| 207 : | break; | ||
| 208 : | |||
| 209 : | case 10: | ||
| 210 : | interpolate8x8_lowpass_hv(dst, halfpel_h, src, stride, 8, stride, rounding); | ||
| 211 : | break; | ||
| 212 : | |||
| 213 : | case 11: | ||
| 214 : | interpolate8x8_lowpass_v(halfpel_v, src+1, 8, stride, 16-rounding); | ||
| 215 : | interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, 8, 8, stride, rounding); | ||
| 216 : | interpolate8x8_bilinear2(dst, halfpel_v, halfpel_hv, stride, 8, rounding); | ||
| 217 : | break; | ||
| 218 : | |||
| 219 : | case 12: | ||
| 220 : | interpolate8x8_lowpass_v(halfpel_v, src, 8, stride, rounding); | ||
| 221 : | interpolate8x8_bilinear2(dst, src+stride, halfpel_v, stride, stride, rounding); | ||
| 222 : | break; | ||
| 223 : | |||
| 224 : | case 13: | ||
| 225 : | interpolate8x8_lowpass_v(halfpel_v, src, 8, stride, rounding); | ||
| 226 : | interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, 8, 8, stride, rounding); | ||
| 227 : | interpolate8x8_bilinear4(dst, src+stride, halfpel_h+8, halfpel_v, halfpel_hv, stride, rounding); | ||
| 228 : | break; | ||
| 229 : | |||
| 230 : | case 14: | ||
| 231 : | interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, 8, 8, stride, rounding); | ||
| 232 : | interpolate8x8_bilinear2(dst, halfpel_h+8, halfpel_hv, stride, 8, rounding); | ||
| 233 : | break; | ||
| 234 : | |||
| 235 : | case 15: | ||
| 236 : | interpolate8x8_lowpass_v(halfpel_v, src+1, 8, stride, rounding); | ||
| 237 : | interpolate8x8_lowpass_hv(halfpel_hv, halfpel_h, src, 8, 8, stride, rounding); | ||
| 238 : | interpolate8x8_bilinear4(dst, src+stride+1, halfpel_h+8, halfpel_v, halfpel_hv, stride, rounding); | ||
| 239 : | break; | ||
| 240 : | } | ||
| 241 : | chl | 1.6 | } |
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