repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Copyright (c) 2008 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 "config.h" | |
| 22 | #include "libavutil/arm/asm.S" | |
| 23 | ||
| 24 | function ff_conv_flt_to_s16_neon, export=1 | |
| 25 | subs r2, r2, #8 | |
| 26 | vld1.32 {q0}, [r1,:128]! | |
| 27 | vcvt.s32.f32 q8, q0, #31 | |
| 28 | vld1.32 {q1}, [r1,:128]! | |
| 29 | vcvt.s32.f32 q9, q1, #31 | |
| 30 | beq 3f | |
| 31 | bics r12, r2, #15 | |
| 32 | beq 2f | |
| 33 | 1: subs r12, r12, #16 | |
| 34 | vqrshrn.s32 d4, q8, #16 | |
| 35 | vld1.32 {q0}, [r1,:128]! | |
| 36 | vcvt.s32.f32 q0, q0, #31 | |
| 37 | vqrshrn.s32 d5, q9, #16 | |
| 38 | vld1.32 {q1}, [r1,:128]! | |
| 39 | vcvt.s32.f32 q1, q1, #31 | |
| 40 | vqrshrn.s32 d6, q0, #16 | |
| 41 | vst1.16 {q2}, [r0,:128]! | |
| 42 | vqrshrn.s32 d7, q1, #16 | |
| 43 | vld1.32 {q8}, [r1,:128]! | |
| 44 | vcvt.s32.f32 q8, q8, #31 | |
| 45 | vld1.32 {q9}, [r1,:128]! | |
| 46 | vcvt.s32.f32 q9, q9, #31 | |
| 47 | vst1.16 {q3}, [r0,:128]! | |
| 48 | bne 1b | |
| 49 | ands r2, r2, #15 | |
| 50 | beq 3f | |
| 51 | 2: vld1.32 {q0}, [r1,:128]! | |
| 52 | vqrshrn.s32 d4, q8, #16 | |
| 53 | vcvt.s32.f32 q0, q0, #31 | |
| 54 | vld1.32 {q1}, [r1,:128]! | |
| 55 | vqrshrn.s32 d5, q9, #16 | |
| 56 | vcvt.s32.f32 q1, q1, #31 | |
| 57 | vqrshrn.s32 d6, q0, #16 | |
| 58 | vst1.16 {q2}, [r0,:128]! | |
| 59 | vqrshrn.s32 d7, q1, #16 | |
| 60 | vst1.16 {q3}, [r0,:128]! | |
| 61 | bx lr | |
| 62 | 3: vqrshrn.s32 d4, q8, #16 | |
| 63 | vqrshrn.s32 d5, q9, #16 | |
| 64 | vst1.16 {q2}, [r0,:128]! | |
| 65 | bx lr | |
| 66 | endfunc | |
| 67 | ||
| 68 | function ff_conv_fltp_to_s16_2ch_neon, export=1 | |
| 69 | ldm r1, {r1, r3} | |
| 70 | subs r2, r2, #8 | |
| 71 | vld1.32 {q0}, [r1,:128]! | |
| 72 | vcvt.s32.f32 q8, q0, #31 | |
| 73 | vld1.32 {q1}, [r1,:128]! | |
| 74 | vcvt.s32.f32 q9, q1, #31 | |
| 75 | vld1.32 {q10}, [r3,:128]! | |
| 76 | vcvt.s32.f32 q10, q10, #31 | |
| 77 | vld1.32 {q11}, [r3,:128]! | |
| 78 | vcvt.s32.f32 q11, q11, #31 | |
| 79 | beq 3f | |
| 80 | bics r12, r2, #15 | |
| 81 | beq 2f | |
| 82 | 1: subs r12, r12, #16 | |
| 83 | vld1.32 {q0}, [r1,:128]! | |
| 84 | vcvt.s32.f32 q0, q0, #31 | |
| 85 | vsri.32 q10, q8, #16 | |
| 86 | vld1.32 {q1}, [r1,:128]! | |
| 87 | vcvt.s32.f32 q1, q1, #31 | |
| 88 | vld1.32 {q12}, [r3,:128]! | |
| 89 | vcvt.s32.f32 q12, q12, #31 | |
| 90 | vld1.32 {q13}, [r3,:128]! | |
| 91 | vsri.32 q11, q9, #16 | |
| 92 | vst1.16 {q10}, [r0,:128]! | |
| 93 | vcvt.s32.f32 q13, q13, #31 | |
| 94 | vst1.16 {q11}, [r0,:128]! | |
| 95 | vsri.32 q12, q0, #16 | |
| 96 | vld1.32 {q8}, [r1,:128]! | |
| 97 | vsri.32 q13, q1, #16 | |
| 98 | vst1.16 {q12}, [r0,:128]! | |
| 99 | vcvt.s32.f32 q8, q8, #31 | |
| 100 | vld1.32 {q9}, [r1,:128]! | |
| 101 | vcvt.s32.f32 q9, q9, #31 | |
| 102 | vld1.32 {q10}, [r3,:128]! | |
| 103 | vcvt.s32.f32 q10, q10, #31 | |
| 104 | vld1.32 {q11}, [r3,:128]! | |
| 105 | vcvt.s32.f32 q11, q11, #31 | |
| 106 | vst1.16 {q13}, [r0,:128]! | |
| 107 | bne 1b | |
| 108 | ands r2, r2, #15 | |
| 109 | beq 3f | |
| 110 | 2: vsri.32 q10, q8, #16 | |
| 111 | vld1.32 {q0}, [r1,:128]! | |
| 112 | vcvt.s32.f32 q0, q0, #31 | |
| 113 | vld1.32 {q1}, [r1,:128]! | |
| 114 | vcvt.s32.f32 q1, q1, #31 | |
| 115 | vld1.32 {q12}, [r3,:128]! | |
| 116 | vcvt.s32.f32 q12, q12, #31 | |
| 117 | vsri.32 q11, q9, #16 | |
| 118 | vld1.32 {q13}, [r3,:128]! | |
| 119 | vcvt.s32.f32 q13, q13, #31 | |
| 120 | vst1.16 {q10}, [r0,:128]! | |
| 121 | vsri.32 q12, q0, #16 | |
| 122 | vst1.16 {q11}, [r0,:128]! | |
| 123 | vsri.32 q13, q1, #16 | |
| 124 | vst1.16 {q12-q13},[r0,:128]! | |
| 125 | bx lr | |
| 126 | 3: vsri.32 q10, q8, #16 | |
| 127 | vsri.32 q11, q9, #16 | |
| 128 | vst1.16 {q10-q11},[r0,:128]! | |
| 129 | bx lr | |
| 130 | endfunc | |
| 131 | ||
| 132 | function ff_conv_fltp_to_s16_neon, export=1 | |
| 133 | cmp r3, #2 | |
| 134 | itt lt | |
| 135 | ldrlt r1, [r1] | |
| 136 | blt X(ff_conv_flt_to_s16_neon) | |
| 137 | beq X(ff_conv_fltp_to_s16_2ch_neon) | |
| 138 | ||
| 139 | push {r4-r8, lr} | |
| 140 | cmp r3, #4 | |
| 141 | lsl r12, r3, #1 | |
| 142 | blt 4f | |
| 143 | ||
| 144 | @ 4 channels | |
| 145 | 5: ldm r1!, {r4-r7} | |
| 146 | mov lr, r2 | |
| 147 | mov r8, r0 | |
| 148 | vld1.32 {q8}, [r4,:128]! | |
| 149 | vcvt.s32.f32 q8, q8, #31 | |
| 150 | vld1.32 {q9}, [r5,:128]! | |
| 151 | vcvt.s32.f32 q9, q9, #31 | |
| 152 | vld1.32 {q10}, [r6,:128]! | |
| 153 | vcvt.s32.f32 q10, q10, #31 | |
| 154 | vld1.32 {q11}, [r7,:128]! | |
| 155 | vcvt.s32.f32 q11, q11, #31 | |
| 156 | 6: subs lr, lr, #8 | |
| 157 | vld1.32 {q0}, [r4,:128]! | |
| 158 | vcvt.s32.f32 q0, q0, #31 | |
| 159 | vsri.32 q9, q8, #16 | |
| 160 | vld1.32 {q1}, [r5,:128]! | |
| 161 | vcvt.s32.f32 q1, q1, #31 | |
| 162 | vsri.32 q11, q10, #16 | |
| 163 | vld1.32 {q2}, [r6,:128]! | |
| 164 | vcvt.s32.f32 q2, q2, #31 | |
| 165 | vzip.32 d18, d22 | |
| 166 | vld1.32 {q3}, [r7,:128]! | |
| 167 | vcvt.s32.f32 q3, q3, #31 | |
| 168 | vzip.32 d19, d23 | |
| 169 | vst1.16 {d18}, [r8], r12 | |
| 170 | vsri.32 q1, q0, #16 | |
| 171 | vst1.16 {d22}, [r8], r12 | |
| 172 | vsri.32 q3, q2, #16 | |
| 173 | vst1.16 {d19}, [r8], r12 | |
| 174 | vzip.32 d2, d6 | |
| 175 | vst1.16 {d23}, [r8], r12 | |
| 176 | vzip.32 d3, d7 | |
| 177 | beq 7f | |
| 178 | vld1.32 {q8}, [r4,:128]! | |
| 179 | vcvt.s32.f32 q8, q8, #31 | |
| 180 | vst1.16 {d2}, [r8], r12 | |
| 181 | vld1.32 {q9}, [r5,:128]! | |
| 182 | vcvt.s32.f32 q9, q9, #31 | |
| 183 | vst1.16 {d6}, [r8], r12 | |
| 184 | vld1.32 {q10}, [r6,:128]! | |
| 185 | vcvt.s32.f32 q10, q10, #31 | |
| 186 | vst1.16 {d3}, [r8], r12 | |
| 187 | vld1.32 {q11}, [r7,:128]! | |
| 188 | vcvt.s32.f32 q11, q11, #31 | |
| 189 | vst1.16 {d7}, [r8], r12 | |
| 190 | b 6b | |
| 191 | 7: vst1.16 {d2}, [r8], r12 | |
| 192 | vst1.16 {d6}, [r8], r12 | |
| 193 | vst1.16 {d3}, [r8], r12 | |
| 194 | vst1.16 {d7}, [r8], r12 | |
| 195 | subs r3, r3, #4 | |
| 196 | it eq | |
| 197 | popeq {r4-r8, pc} | |
| 198 | cmp r3, #4 | |
| 199 | add r0, r0, #8 | |
| 200 | bge 5b | |
| 201 | ||
| 202 | @ 2 channels | |
| 203 | 4: cmp r3, #2 | |
| 204 | blt 4f | |
| 205 | ldm r1!, {r4-r5} | |
| 206 | mov lr, r2 | |
| 207 | mov r8, r0 | |
| 208 | tst lr, #8 | |
| 209 | vld1.32 {q8}, [r4,:128]! | |
| 210 | vcvt.s32.f32 q8, q8, #31 | |
| 211 | vld1.32 {q9}, [r5,:128]! | |
| 212 | vcvt.s32.f32 q9, q9, #31 | |
| 213 | vld1.32 {q10}, [r4,:128]! | |
| 214 | vcvt.s32.f32 q10, q10, #31 | |
| 215 | vld1.32 {q11}, [r5,:128]! | |
| 216 | vcvt.s32.f32 q11, q11, #31 | |
| 217 | beq 6f | |
| 218 | subs lr, lr, #8 | |
| 219 | beq 7f | |
| 220 | vsri.32 d18, d16, #16 | |
| 221 | vsri.32 d19, d17, #16 | |
| 222 | vld1.32 {q8}, [r4,:128]! | |
| 223 | vcvt.s32.f32 q8, q8, #31 | |
| 224 | vst1.32 {d18[0]}, [r8], r12 | |
| 225 | vsri.32 d22, d20, #16 | |
| 226 | vst1.32 {d18[1]}, [r8], r12 | |
| 227 | vsri.32 d23, d21, #16 | |
| 228 | vst1.32 {d19[0]}, [r8], r12 | |
| 229 | vst1.32 {d19[1]}, [r8], r12 | |
| 230 | vld1.32 {q9}, [r5,:128]! | |
| 231 | vcvt.s32.f32 q9, q9, #31 | |
| 232 | vst1.32 {d22[0]}, [r8], r12 | |
| 233 | vst1.32 {d22[1]}, [r8], r12 | |
| 234 | vld1.32 {q10}, [r4,:128]! | |
| 235 | vcvt.s32.f32 q10, q10, #31 | |
| 236 | vst1.32 {d23[0]}, [r8], r12 | |
| 237 | vst1.32 {d23[1]}, [r8], r12 | |
| 238 | vld1.32 {q11}, [r5,:128]! | |
| 239 | vcvt.s32.f32 q11, q11, #31 | |
| 240 | 6: subs lr, lr, #16 | |
| 241 | vld1.32 {q0}, [r4,:128]! | |
| 242 | vcvt.s32.f32 q0, q0, #31 | |
| 243 | vsri.32 d18, d16, #16 | |
| 244 | vld1.32 {q1}, [r5,:128]! | |
| 245 | vcvt.s32.f32 q1, q1, #31 | |
| 246 | vsri.32 d19, d17, #16 | |
| 247 | vld1.32 {q2}, [r4,:128]! | |
| 248 | vcvt.s32.f32 q2, q2, #31 | |
| 249 | vld1.32 {q3}, [r5,:128]! | |
| 250 | vcvt.s32.f32 q3, q3, #31 | |
| 251 | vst1.32 {d18[0]}, [r8], r12 | |
| 252 | vsri.32 d22, d20, #16 | |
| 253 | vst1.32 {d18[1]}, [r8], r12 | |
| 254 | vsri.32 d23, d21, #16 | |
| 255 | vst1.32 {d19[0]}, [r8], r12 | |
| 256 | vsri.32 d2, d0, #16 | |
| 257 | vst1.32 {d19[1]}, [r8], r12 | |
| 258 | vsri.32 d3, d1, #16 | |
| 259 | vst1.32 {d22[0]}, [r8], r12 | |
| 260 | vsri.32 d6, d4, #16 | |
| 261 | vst1.32 {d22[1]}, [r8], r12 | |
| 262 | vsri.32 d7, d5, #16 | |
| 263 | vst1.32 {d23[0]}, [r8], r12 | |
| 264 | vst1.32 {d23[1]}, [r8], r12 | |
| 265 | beq 6f | |
| 266 | vld1.32 {q8}, [r4,:128]! | |
| 267 | vcvt.s32.f32 q8, q8, #31 | |
| 268 | vst1.32 {d2[0]}, [r8], r12 | |
| 269 | vst1.32 {d2[1]}, [r8], r12 | |
| 270 | vld1.32 {q9}, [r5,:128]! | |
| 271 | vcvt.s32.f32 q9, q9, #31 | |
| 272 | vst1.32 {d3[0]}, [r8], r12 | |
| 273 | vst1.32 {d3[1]}, [r8], r12 | |
| 274 | vld1.32 {q10}, [r4,:128]! | |
| 275 | vcvt.s32.f32 q10, q10, #31 | |
| 276 | vst1.32 {d6[0]}, [r8], r12 | |
| 277 | vst1.32 {d6[1]}, [r8], r12 | |
| 278 | vld1.32 {q11}, [r5,:128]! | |
| 279 | vcvt.s32.f32 q11, q11, #31 | |
| 280 | vst1.32 {d7[0]}, [r8], r12 | |
| 281 | vst1.32 {d7[1]}, [r8], r12 | |
| 282 | bgt 6b | |
| 283 | 6: vst1.32 {d2[0]}, [r8], r12 | |
| 284 | vst1.32 {d2[1]}, [r8], r12 | |
| 285 | vst1.32 {d3[0]}, [r8], r12 | |
| 286 | vst1.32 {d3[1]}, [r8], r12 | |
| 287 | vst1.32 {d6[0]}, [r8], r12 | |
| 288 | vst1.32 {d6[1]}, [r8], r12 | |
| 289 | vst1.32 {d7[0]}, [r8], r12 | |
| 290 | vst1.32 {d7[1]}, [r8], r12 | |
| 291 | b 8f | |
| 292 | 7: vsri.32 d18, d16, #16 | |
| 293 | vsri.32 d19, d17, #16 | |
| 294 | vst1.32 {d18[0]}, [r8], r12 | |
| 295 | vsri.32 d22, d20, #16 | |
| 296 | vst1.32 {d18[1]}, [r8], r12 | |
| 297 | vsri.32 d23, d21, #16 | |
| 298 | vst1.32 {d19[0]}, [r8], r12 | |
| 299 | vst1.32 {d19[1]}, [r8], r12 | |
| 300 | vst1.32 {d22[0]}, [r8], r12 | |
| 301 | vst1.32 {d22[1]}, [r8], r12 | |
| 302 | vst1.32 {d23[0]}, [r8], r12 | |
| 303 | vst1.32 {d23[1]}, [r8], r12 | |
| 304 | 8: subs r3, r3, #2 | |
| 305 | add r0, r0, #4 | |
| 306 | it eq | |
| 307 | popeq {r4-r8, pc} | |
| 308 | ||
| 309 | @ 1 channel | |
| 310 | 4: ldr r4, [r1] | |
| 311 | tst r2, #8 | |
| 312 | mov lr, r2 | |
| 313 | mov r5, r0 | |
| 314 | vld1.32 {q0}, [r4,:128]! | |
| 315 | vcvt.s32.f32 q0, q0, #31 | |
| 316 | vld1.32 {q1}, [r4,:128]! | |
| 317 | vcvt.s32.f32 q1, q1, #31 | |
| 318 | bne 8f | |
| 319 | 6: subs lr, lr, #16 | |
| 320 | vld1.32 {q2}, [r4,:128]! | |
| 321 | vcvt.s32.f32 q2, q2, #31 | |
| 322 | vld1.32 {q3}, [r4,:128]! | |
| 323 | vcvt.s32.f32 q3, q3, #31 | |
| 324 | vst1.16 {d0[1]}, [r5,:16], r12 | |
| 325 | vst1.16 {d0[3]}, [r5,:16], r12 | |
| 326 | vst1.16 {d1[1]}, [r5,:16], r12 | |
| 327 | vst1.16 {d1[3]}, [r5,:16], r12 | |
| 328 | vst1.16 {d2[1]}, [r5,:16], r12 | |
| 329 | vst1.16 {d2[3]}, [r5,:16], r12 | |
| 330 | vst1.16 {d3[1]}, [r5,:16], r12 | |
| 331 | vst1.16 {d3[3]}, [r5,:16], r12 | |
| 332 | beq 7f | |
| 333 | vld1.32 {q0}, [r4,:128]! | |
| 334 | vcvt.s32.f32 q0, q0, #31 | |
| 335 | vld1.32 {q1}, [r4,:128]! | |
| 336 | vcvt.s32.f32 q1, q1, #31 | |
| 337 | 7: vst1.16 {d4[1]}, [r5,:16], r12 | |
| 338 | vst1.16 {d4[3]}, [r5,:16], r12 | |
| 339 | vst1.16 {d5[1]}, [r5,:16], r12 | |
| 340 | vst1.16 {d5[3]}, [r5,:16], r12 | |
| 341 | vst1.16 {d6[1]}, [r5,:16], r12 | |
| 342 | vst1.16 {d6[3]}, [r5,:16], r12 | |
| 343 | vst1.16 {d7[1]}, [r5,:16], r12 | |
| 344 | vst1.16 {d7[3]}, [r5,:16], r12 | |
| 345 | bgt 6b | |
| 346 | pop {r4-r8, pc} | |
| 347 | 8: subs lr, lr, #8 | |
| 348 | vst1.16 {d0[1]}, [r5,:16], r12 | |
| 349 | vst1.16 {d0[3]}, [r5,:16], r12 | |
| 350 | vst1.16 {d1[1]}, [r5,:16], r12 | |
| 351 | vst1.16 {d1[3]}, [r5,:16], r12 | |
| 352 | vst1.16 {d2[1]}, [r5,:16], r12 | |
| 353 | vst1.16 {d2[3]}, [r5,:16], r12 | |
| 354 | vst1.16 {d3[1]}, [r5,:16], r12 | |
| 355 | vst1.16 {d3[3]}, [r5,:16], r12 | |
| 356 | it eq | |
| 357 | popeq {r4-r8, pc} | |
| 358 | vld1.32 {q0}, [r4,:128]! | |
| 359 | vcvt.s32.f32 q0, q0, #31 | |
| 360 | vld1.32 {q1}, [r4,:128]! | |
| 361 | vcvt.s32.f32 q1, q1, #31 | |
| 362 | b 6b | |
| 363 | endfunc |