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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4349 | Serge | 1 | /* |
| 2 | * ARM NEON optimised DSP functions |
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| 3 | * Copyright (c) 2008 Mans Rullgard |
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| 4 | * |
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| 5 | * This file is part of FFmpeg. |
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| 6 | * |
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| 7 | * FFmpeg is free software; you can redistribute it and/or |
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| 8 | * modify it under the terms of the GNU Lesser General Public |
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| 9 | * License as published by the Free Software Foundation; either |
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| 10 | * version 2.1 of the License, or (at your option) any later version. |
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| 11 | * |
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| 12 | * FFmpeg is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 15 | * Lesser General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Lesser General Public |
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| 18 | * License along with FFmpeg; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 20 | */ |
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| 21 | |||
| 22 | #include "libavutil/arm/asm.S" |
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| 23 | |||
| 24 | function ff_clear_block_neon, export=1 |
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| 25 | vmov.i16 q0, #0 |
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| 26 | .rept 8 |
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| 27 | vst1.16 {q0}, [r0,:128]! |
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| 28 | .endr |
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| 29 | bx lr |
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| 30 | endfunc |
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| 31 | |||
| 32 | function ff_clear_blocks_neon, export=1 |
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| 33 | vmov.i16 q0, #0 |
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| 34 | .rept 8*6 |
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| 35 | vst1.16 {q0}, [r0,:128]! |
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| 36 | .endr |
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| 37 | bx lr |
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| 38 | endfunc |
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| 39 | |||
| 40 | function ff_put_pixels_clamped_neon, export=1 |
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| 41 | vld1.16 {d16-d19}, [r0,:128]! |
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| 42 | vqmovun.s16 d0, q8 |
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| 43 | vld1.16 {d20-d23}, [r0,:128]! |
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| 44 | vqmovun.s16 d1, q9 |
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| 45 | vld1.16 {d24-d27}, [r0,:128]! |
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| 46 | vqmovun.s16 d2, q10 |
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| 47 | vld1.16 {d28-d31}, [r0,:128]! |
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| 48 | vqmovun.s16 d3, q11 |
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| 49 | vst1.8 {d0}, [r1,:64], r2 |
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| 50 | vqmovun.s16 d4, q12 |
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| 51 | vst1.8 {d1}, [r1,:64], r2 |
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| 52 | vqmovun.s16 d5, q13 |
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| 53 | vst1.8 {d2}, [r1,:64], r2 |
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| 54 | vqmovun.s16 d6, q14 |
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| 55 | vst1.8 {d3}, [r1,:64], r2 |
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| 56 | vqmovun.s16 d7, q15 |
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| 57 | vst1.8 {d4}, [r1,:64], r2 |
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| 58 | vst1.8 {d5}, [r1,:64], r2 |
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| 59 | vst1.8 {d6}, [r1,:64], r2 |
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| 60 | vst1.8 {d7}, [r1,:64], r2 |
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| 61 | bx lr |
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| 62 | endfunc |
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| 63 | |||
| 64 | function ff_put_signed_pixels_clamped_neon, export=1 |
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| 65 | vmov.u8 d31, #128 |
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| 66 | vld1.16 {d16-d17}, [r0,:128]! |
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| 67 | vqmovn.s16 d0, q8 |
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| 68 | vld1.16 {d18-d19}, [r0,:128]! |
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| 69 | vqmovn.s16 d1, q9 |
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| 70 | vld1.16 {d16-d17}, [r0,:128]! |
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| 71 | vqmovn.s16 d2, q8 |
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| 72 | vld1.16 {d18-d19}, [r0,:128]! |
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| 73 | vadd.u8 d0, d0, d31 |
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| 74 | vld1.16 {d20-d21}, [r0,:128]! |
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| 75 | vadd.u8 d1, d1, d31 |
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| 76 | vld1.16 {d22-d23}, [r0,:128]! |
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| 77 | vadd.u8 d2, d2, d31 |
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| 78 | vst1.8 {d0}, [r1,:64], r2 |
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| 79 | vqmovn.s16 d3, q9 |
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| 80 | vst1.8 {d1}, [r1,:64], r2 |
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| 81 | vqmovn.s16 d4, q10 |
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| 82 | vst1.8 {d2}, [r1,:64], r2 |
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| 83 | vqmovn.s16 d5, q11 |
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| 84 | vld1.16 {d24-d25}, [r0,:128]! |
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| 85 | vadd.u8 d3, d3, d31 |
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| 86 | vld1.16 {d26-d27}, [r0,:128]! |
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| 87 | vadd.u8 d4, d4, d31 |
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| 88 | vadd.u8 d5, d5, d31 |
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| 89 | vst1.8 {d3}, [r1,:64], r2 |
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| 90 | vqmovn.s16 d6, q12 |
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| 91 | vst1.8 {d4}, [r1,:64], r2 |
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| 92 | vqmovn.s16 d7, q13 |
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| 93 | vst1.8 {d5}, [r1,:64], r2 |
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| 94 | vadd.u8 d6, d6, d31 |
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| 95 | vadd.u8 d7, d7, d31 |
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| 96 | vst1.8 {d6}, [r1,:64], r2 |
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| 97 | vst1.8 {d7}, [r1,:64], r2 |
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| 98 | bx lr |
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| 99 | endfunc |
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| 100 | |||
| 101 | function ff_add_pixels_clamped_neon, export=1 |
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| 102 | mov r3, r1 |
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| 103 | vld1.8 {d16}, [r1,:64], r2 |
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| 104 | vld1.16 {d0-d1}, [r0,:128]! |
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| 105 | vaddw.u8 q0, q0, d16 |
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| 106 | vld1.8 {d17}, [r1,:64], r2 |
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| 107 | vld1.16 {d2-d3}, [r0,:128]! |
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| 108 | vqmovun.s16 d0, q0 |
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| 109 | vld1.8 {d18}, [r1,:64], r2 |
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| 110 | vaddw.u8 q1, q1, d17 |
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| 111 | vld1.16 {d4-d5}, [r0,:128]! |
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| 112 | vaddw.u8 q2, q2, d18 |
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| 113 | vst1.8 {d0}, [r3,:64], r2 |
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| 114 | vqmovun.s16 d2, q1 |
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| 115 | vld1.8 {d19}, [r1,:64], r2 |
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| 116 | vld1.16 {d6-d7}, [r0,:128]! |
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| 117 | vaddw.u8 q3, q3, d19 |
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| 118 | vqmovun.s16 d4, q2 |
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| 119 | vst1.8 {d2}, [r3,:64], r2 |
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| 120 | vld1.8 {d16}, [r1,:64], r2 |
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| 121 | vqmovun.s16 d6, q3 |
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| 122 | vld1.16 {d0-d1}, [r0,:128]! |
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| 123 | vaddw.u8 q0, q0, d16 |
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| 124 | vst1.8 {d4}, [r3,:64], r2 |
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| 125 | vld1.8 {d17}, [r1,:64], r2 |
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| 126 | vld1.16 {d2-d3}, [r0,:128]! |
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| 127 | vaddw.u8 q1, q1, d17 |
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| 128 | vst1.8 {d6}, [r3,:64], r2 |
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| 129 | vqmovun.s16 d0, q0 |
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| 130 | vld1.8 {d18}, [r1,:64], r2 |
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| 131 | vld1.16 {d4-d5}, [r0,:128]! |
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| 132 | vaddw.u8 q2, q2, d18 |
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| 133 | vst1.8 {d0}, [r3,:64], r2 |
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| 134 | vqmovun.s16 d2, q1 |
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| 135 | vld1.8 {d19}, [r1,:64], r2 |
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| 136 | vqmovun.s16 d4, q2 |
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| 137 | vld1.16 {d6-d7}, [r0,:128]! |
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| 138 | vaddw.u8 q3, q3, d19 |
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| 139 | vst1.8 {d2}, [r3,:64], r2 |
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| 140 | vqmovun.s16 d6, q3 |
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| 141 | vst1.8 {d4}, [r3,:64], r2 |
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| 142 | vst1.8 {d6}, [r3,:64], r2 |
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| 143 | bx lr |
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| 144 | endfunc |
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| 145 | |||
| 146 | function ff_vector_clipf_neon, export=1 |
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| 147 | VFP vdup.32 q1, d0[1] |
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| 148 | VFP vdup.32 q0, d0[0] |
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| 149 | NOVFP vdup.32 q0, r2 |
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| 150 | NOVFP vdup.32 q1, r3 |
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| 151 | NOVFP ldr r2, [sp] |
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| 152 | vld1.f32 {q2},[r1,:128]! |
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| 153 | vmin.f32 q10, q2, q1 |
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| 154 | vld1.f32 {q3},[r1,:128]! |
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| 155 | vmin.f32 q11, q3, q1 |
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| 156 | 1: vmax.f32 q8, q10, q0 |
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| 157 | vmax.f32 q9, q11, q0 |
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| 158 | subs r2, r2, #8 |
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| 159 | beq 2f |
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| 160 | vld1.f32 {q2},[r1,:128]! |
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| 161 | vmin.f32 q10, q2, q1 |
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| 162 | vld1.f32 {q3},[r1,:128]! |
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| 163 | vmin.f32 q11, q3, q1 |
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| 164 | vst1.f32 {q8},[r0,:128]! |
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| 165 | vst1.f32 {q9},[r0,:128]! |
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| 166 | b 1b |
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| 167 | 2: vst1.f32 {q8},[r0,:128]! |
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| 168 | vst1.f32 {q9},[r0,:128]! |
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| 169 | bx lr |
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| 170 | endfunc |
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| 171 | |||
| 172 | function ff_apply_window_int16_neon, export=1 |
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| 173 | push {r4,lr} |
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| 174 | add r4, r1, r3, lsl #1 |
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| 175 | add lr, r0, r3, lsl #1 |
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| 176 | sub r4, r4, #16 |
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| 177 | sub lr, lr, #16 |
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| 178 | mov r12, #-16 |
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| 179 | 1: |
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| 180 | vld1.16 {q0}, [r1,:128]! |
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| 181 | vld1.16 {q2}, [r2,:128]! |
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| 182 | vld1.16 {q1}, [r4,:128], r12 |
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| 183 | vrev64.16 q3, q2 |
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| 184 | vqrdmulh.s16 q0, q0, q2 |
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| 185 | vqrdmulh.s16 d2, d2, d7 |
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| 186 | vqrdmulh.s16 d3, d3, d6 |
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| 187 | vst1.16 {q0}, [r0,:128]! |
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| 188 | vst1.16 {q1}, [lr,:128], r12 |
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| 189 | subs r3, r3, #16 |
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| 190 | bgt 1b |
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| 191 | |||
| 192 | pop {r4,pc} |
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| 193 | endfunc |
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| 194 | |||
| 195 | function ff_vector_clip_int32_neon, export=1 |
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| 196 | vdup.32 q0, r2 |
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| 197 | vdup.32 q1, r3 |
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| 198 | ldr r2, [sp] |
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| 199 | 1: |
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| 200 | vld1.32 {q2-q3}, [r1,:128]! |
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| 201 | vmin.s32 q2, q2, q1 |
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| 202 | vmin.s32 q3, q3, q1 |
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| 203 | vmax.s32 q2, q2, q0 |
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| 204 | vmax.s32 q3, q3, q0 |
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| 205 | vst1.32 {q2-q3}, [r0,:128]! |
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| 206 | subs r2, r2, #8 |
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| 207 | bgt 1b |
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| 208 | bx lr |
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| 209 | endfunc |