| 1 | /* |
| 2 | * Copyright (c) 2009 Mans Rullgard <mans@mansr.com> |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg 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 GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include "libavutil/arm/asm.S" |
| 22 | |
| 23 | .macro call_2x_pixels type, subp |
| 24 | function ff_\type\()_pixels16\subp\()_armv6, export=1 |
| 25 | push {r0-r3, lr} |
| 26 | bl X(ff_\type\()_pixels8\subp\()_armv6) |
| 27 | pop {r0-r3, lr} |
| 28 | add r0, r0, #8 |
| 29 | add r1, r1, #8 |
| 30 | b X(ff_\type\()_pixels8\subp\()_armv6) |
| 31 | endfunc |
| 32 | .endm |
| 33 | |
| 34 | call_2x_pixels avg |
| 35 | call_2x_pixels put, _x2 |
| 36 | call_2x_pixels put, _y2 |
| 37 | call_2x_pixels put, _x2_no_rnd |
| 38 | call_2x_pixels put, _y2_no_rnd |
| 39 | |
| 40 | function ff_put_pixels16_armv6, export=1 |
| 41 | push {r4-r11} |
| 42 | 1: |
| 43 | ldr r5, [r1, #4] |
| 44 | ldr r6, [r1, #8] |
| 45 | ldr r7, [r1, #12] |
| 46 | ldr_post r4, r1, r2 |
| 47 | strd r6, r7, [r0, #8] |
| 48 | ldr r9, [r1, #4] |
| 49 | strd_post r4, r5, r0, r2 |
| 50 | ldr r10, [r1, #8] |
| 51 | ldr r11, [r1, #12] |
| 52 | ldr_post r8, r1, r2 |
| 53 | strd r10, r11, [r0, #8] |
| 54 | subs r3, r3, #2 |
| 55 | strd_post r8, r9, r0, r2 |
| 56 | bne 1b |
| 57 | |
| 58 | pop {r4-r11} |
| 59 | bx lr |
| 60 | endfunc |
| 61 | |
| 62 | function ff_put_pixels8_armv6, export=1 |
| 63 | push {r4-r7} |
| 64 | 1: |
| 65 | ldr r5, [r1, #4] |
| 66 | ldr_post r4, r1, r2 |
| 67 | ldr r7, [r1, #4] |
| 68 | strd_post r4, r5, r0, r2 |
| 69 | ldr_post r6, r1, r2 |
| 70 | subs r3, r3, #2 |
| 71 | strd_post r6, r7, r0, r2 |
| 72 | bne 1b |
| 73 | |
| 74 | pop {r4-r7} |
| 75 | bx lr |
| 76 | endfunc |
| 77 | |
| 78 | function ff_put_pixels8_x2_armv6, export=1 |
| 79 | push {r4-r11, lr} |
| 80 | mov r12, #1 |
| 81 | orr r12, r12, r12, lsl #8 |
| 82 | orr r12, r12, r12, lsl #16 |
| 83 | 1: |
| 84 | ldr r4, [r1] |
| 85 | subs r3, r3, #2 |
| 86 | ldr r5, [r1, #4] |
| 87 | ldr r7, [r1, #5] |
| 88 | lsr r6, r4, #8 |
| 89 | ldr_pre r8, r1, r2 |
| 90 | orr r6, r6, r5, lsl #24 |
| 91 | ldr r9, [r1, #4] |
| 92 | ldr r11, [r1, #5] |
| 93 | lsr r10, r8, #8 |
| 94 | add r1, r1, r2 |
| 95 | orr r10, r10, r9, lsl #24 |
| 96 | eor r14, r4, r6 |
| 97 | uhadd8 r4, r4, r6 |
| 98 | eor r6, r5, r7 |
| 99 | uhadd8 r5, r5, r7 |
| 100 | and r14, r14, r12 |
| 101 | and r6, r6, r12 |
| 102 | uadd8 r4, r4, r14 |
| 103 | eor r14, r8, r10 |
| 104 | uadd8 r5, r5, r6 |
| 105 | eor r6, r9, r11 |
| 106 | uhadd8 r8, r8, r10 |
| 107 | and r14, r14, r12 |
| 108 | uhadd8 r9, r9, r11 |
| 109 | and r6, r6, r12 |
| 110 | uadd8 r8, r8, r14 |
| 111 | strd_post r4, r5, r0, r2 |
| 112 | uadd8 r9, r9, r6 |
| 113 | strd_post r8, r9, r0, r2 |
| 114 | bne 1b |
| 115 | |
| 116 | pop {r4-r11, pc} |
| 117 | endfunc |
| 118 | |
| 119 | function ff_put_pixels8_y2_armv6, export=1 |
| 120 | push {r4-r11} |
| 121 | mov r12, #1 |
| 122 | orr r12, r12, r12, lsl #8 |
| 123 | orr r12, r12, r12, lsl #16 |
| 124 | ldr r4, [r1] |
| 125 | ldr r5, [r1, #4] |
| 126 | ldr_pre r6, r1, r2 |
| 127 | ldr r7, [r1, #4] |
| 128 | 1: |
| 129 | subs r3, r3, #2 |
| 130 | uhadd8 r8, r4, r6 |
| 131 | eor r10, r4, r6 |
| 132 | uhadd8 r9, r5, r7 |
| 133 | eor r11, r5, r7 |
| 134 | and r10, r10, r12 |
| 135 | ldr_pre r4, r1, r2 |
| 136 | uadd8 r8, r8, r10 |
| 137 | and r11, r11, r12 |
| 138 | uadd8 r9, r9, r11 |
| 139 | ldr r5, [r1, #4] |
| 140 | uhadd8 r10, r4, r6 |
| 141 | eor r6, r4, r6 |
| 142 | uhadd8 r11, r5, r7 |
| 143 | and r6, r6, r12 |
| 144 | eor r7, r5, r7 |
| 145 | uadd8 r10, r10, r6 |
| 146 | and r7, r7, r12 |
| 147 | ldrc_pre ne, r6, r1, r2 |
| 148 | uadd8 r11, r11, r7 |
| 149 | strd_post r8, r9, r0, r2 |
| 150 | it ne |
| 151 | ldrne r7, [r1, #4] |
| 152 | strd_post r10, r11, r0, r2 |
| 153 | bne 1b |
| 154 | |
| 155 | pop {r4-r11} |
| 156 | bx lr |
| 157 | endfunc |
| 158 | |
| 159 | function ff_put_pixels8_x2_no_rnd_armv6, export=1 |
| 160 | push {r4-r9, lr} |
| 161 | 1: |
| 162 | subs r3, r3, #2 |
| 163 | ldr r4, [r1] |
| 164 | ldr r5, [r1, #4] |
| 165 | ldr r7, [r1, #5] |
| 166 | ldr_pre r8, r1, r2 |
| 167 | ldr r9, [r1, #4] |
| 168 | ldr r14, [r1, #5] |
| 169 | add r1, r1, r2 |
| 170 | lsr r6, r4, #8 |
| 171 | orr r6, r6, r5, lsl #24 |
| 172 | lsr r12, r8, #8 |
| 173 | orr r12, r12, r9, lsl #24 |
| 174 | uhadd8 r4, r4, r6 |
| 175 | uhadd8 r5, r5, r7 |
| 176 | uhadd8 r8, r8, r12 |
| 177 | uhadd8 r9, r9, r14 |
| 178 | stm r0, {r4,r5} |
| 179 | add r0, r0, r2 |
| 180 | stm r0, {r8,r9} |
| 181 | add r0, r0, r2 |
| 182 | bne 1b |
| 183 | |
| 184 | pop {r4-r9, pc} |
| 185 | endfunc |
| 186 | |
| 187 | function ff_put_pixels8_y2_no_rnd_armv6, export=1 |
| 188 | push {r4-r9, lr} |
| 189 | ldr r4, [r1] |
| 190 | ldr r5, [r1, #4] |
| 191 | ldr_pre r6, r1, r2 |
| 192 | ldr r7, [r1, #4] |
| 193 | 1: |
| 194 | subs r3, r3, #2 |
| 195 | uhadd8 r8, r4, r6 |
| 196 | ldr_pre r4, r1, r2 |
| 197 | uhadd8 r9, r5, r7 |
| 198 | ldr r5, [r1, #4] |
| 199 | uhadd8 r12, r4, r6 |
| 200 | ldrc_pre ne, r6, r1, r2 |
| 201 | uhadd8 r14, r5, r7 |
| 202 | it ne |
| 203 | ldrne r7, [r1, #4] |
| 204 | stm r0, {r8,r9} |
| 205 | add r0, r0, r2 |
| 206 | stm r0, {r12,r14} |
| 207 | add r0, r0, r2 |
| 208 | bne 1b |
| 209 | |
| 210 | pop {r4-r9, pc} |
| 211 | endfunc |
| 212 | |
| 213 | function ff_avg_pixels8_armv6, export=1 |
| 214 | pld [r1, r2] |
| 215 | push {r4-r10, lr} |
| 216 | mov lr, #1 |
| 217 | orr lr, lr, lr, lsl #8 |
| 218 | orr lr, lr, lr, lsl #16 |
| 219 | ldrd r4, r5, [r0] |
| 220 | ldr r10, [r1, #4] |
| 221 | ldr_post r9, r1, r2 |
| 222 | subs r3, r3, #2 |
| 223 | 1: |
| 224 | pld [r1, r2] |
| 225 | eor r8, r4, r9 |
| 226 | uhadd8 r4, r4, r9 |
| 227 | eor r12, r5, r10 |
| 228 | ldrd_reg r6, r7, r0, r2 |
| 229 | uhadd8 r5, r5, r10 |
| 230 | and r8, r8, lr |
| 231 | ldr r10, [r1, #4] |
| 232 | and r12, r12, lr |
| 233 | uadd8 r4, r4, r8 |
| 234 | ldr_post r9, r1, r2 |
| 235 | eor r8, r6, r9 |
| 236 | uadd8 r5, r5, r12 |
| 237 | pld [r1, r2, lsl #1] |
| 238 | eor r12, r7, r10 |
| 239 | uhadd8 r6, r6, r9 |
| 240 | strd_post r4, r5, r0, r2 |
| 241 | uhadd8 r7, r7, r10 |
| 242 | beq 2f |
| 243 | and r8, r8, lr |
| 244 | ldrd_reg r4, r5, r0, r2 |
| 245 | uadd8 r6, r6, r8 |
| 246 | ldr r10, [r1, #4] |
| 247 | and r12, r12, lr |
| 248 | subs r3, r3, #2 |
| 249 | uadd8 r7, r7, r12 |
| 250 | ldr_post r9, r1, r2 |
| 251 | strd_post r6, r7, r0, r2 |
| 252 | b 1b |
| 253 | 2: |
| 254 | and r8, r8, lr |
| 255 | and r12, r12, lr |
| 256 | uadd8 r6, r6, r8 |
| 257 | uadd8 r7, r7, r12 |
| 258 | strd_post r6, r7, r0, r2 |
| 259 | |
| 260 | pop {r4-r10, pc} |
| 261 | endfunc |