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| Rev | Author | Line No. | Line |
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| 4349 | Serge | 1 | /* |
| 2 | * Copyright (c) 2010 Mans Rullgard |
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| 3 | * |
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| 4 | * This file is part of FFmpeg. |
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| 5 | * |
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| 6 | * FFmpeg is free software; you can redistribute it and/or |
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| 7 | * modify it under the terms of the GNU Lesser General Public |
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| 8 | * License as published by the Free Software Foundation; either |
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| 9 | * version 2.1 of the License, or (at your option) any later version. |
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| 10 | * |
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| 11 | * FFmpeg is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 14 | * Lesser General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU Lesser General Public |
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| 17 | * License along with FFmpeg; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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| 19 | */ |
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| 20 | |||
| 21 | #include "libavutil/arm/asm.S" |
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| 22 | |||
| 23 | .macro vp6_edge_filter |
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| 24 | vdup.16 q3, r2 @ t |
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| 25 | vmov.i16 q13, #1 |
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| 26 | vsubl.u8 q0, d20, d18 @ p[ 0] - p[-s] |
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| 27 | vsubl.u8 q1, d16, d22 @ p[-2*s] - p[ s] |
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| 28 | vsubl.u8 q14, d21, d19 |
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| 29 | vsubl.u8 q15, d17, d23 |
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| 30 | vadd.i16 q2, q0, q0 @ 2*(p[0]-p[-s]) |
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| 31 | vadd.i16 d29, d28, d28 |
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| 32 | vadd.i16 q0, q0, q1 @ p[0]-p[-s] + p[-2*s]-p[s] |
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| 33 | vadd.i16 d28, d28, d30 |
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| 34 | vadd.i16 q0, q0, q2 @ 3*(p[0]-p[-s]) + p[-2*s]-p[s] |
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| 35 | vadd.i16 d28, d28, d29 |
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| 36 | vrshr.s16 q0, q0, #3 @ v |
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| 37 | vrshr.s16 d28, d28, #3 |
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| 38 | vsub.i16 q8, q3, q13 @ t-1 |
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| 39 | vabs.s16 q1, q0 @ V |
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| 40 | vshr.s16 q2, q0, #15 @ s |
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| 41 | vabs.s16 d30, d28 |
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| 42 | vshr.s16 d29, d28, #15 |
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| 43 | vsub.i16 q12, q1, q3 @ V-t |
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| 44 | vsub.i16 d31, d30, d6 |
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| 45 | vsub.i16 q12, q12, q13 @ V-t-1 |
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| 46 | vsub.i16 d31, d31, d26 |
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| 47 | vcge.u16 q12, q12, q8 @ V-t-1 >= t-1 |
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| 48 | vcge.u16 d31, d31, d16 |
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| 49 | vadd.i16 q13, q3, q3 @ 2*t |
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| 50 | vadd.i16 d16, d6, d6 |
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| 51 | vsub.i16 q13, q13, q1 @ 2*t - V |
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| 52 | vsub.i16 d16, d16, d30 |
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| 53 | vadd.i16 q13, q13, q2 @ += s |
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| 54 | vadd.i16 d16, d16, d29 |
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| 55 | veor q13, q13, q2 @ ^= s |
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| 56 | veor d16, d16, d29 |
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| 57 | vbif q0, q13, q12 |
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| 58 | vbif d28, d16, d31 |
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| 59 | vmovl.u8 q1, d20 |
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| 60 | vmovl.u8 q15, d21 |
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| 61 | vaddw.u8 q2, q0, d18 |
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| 62 | vaddw.u8 q3, q14, d19 |
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| 63 | vsub.i16 q1, q1, q0 |
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| 64 | vsub.i16 d30, d30, d28 |
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| 65 | vqmovun.s16 d18, q2 |
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| 66 | vqmovun.s16 d19, q3 |
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| 67 | vqmovun.s16 d20, q1 |
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| 68 | vqmovun.s16 d21, q15 |
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| 69 | .endm |
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| 70 | |||
| 71 | function ff_vp6_edge_filter_ver_neon, export=1 |
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| 72 | sub r0, r0, r1, lsl #1 |
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| 73 | vld1.8 {q8}, [r0], r1 @ p[-2*s] |
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| 74 | vld1.8 {q9}, [r0], r1 @ p[-s] |
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| 75 | vld1.8 {q10}, [r0], r1 @ p[0] |
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| 76 | vld1.8 {q11}, [r0] @ p[s] |
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| 77 | vp6_edge_filter |
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| 78 | sub r0, r0, r1, lsl #1 |
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| 79 | sub r1, r1, #8 |
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| 80 | vst1.8 {d18}, [r0]! |
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| 81 | vst1.32 {d19[0]}, [r0], r1 |
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| 82 | vst1.8 {d20}, [r0]! |
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| 83 | vst1.32 {d21[0]}, [r0] |
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| 84 | bx lr |
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| 85 | endfunc |
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| 86 | |||
| 87 | function ff_vp6_edge_filter_hor_neon, export=1 |
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| 88 | sub r3, r0, #1 |
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| 89 | sub r0, r0, #2 |
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| 90 | vld1.32 {d16[0]}, [r0], r1 |
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| 91 | vld1.32 {d18[0]}, [r0], r1 |
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| 92 | vld1.32 {d20[0]}, [r0], r1 |
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| 93 | vld1.32 {d22[0]}, [r0], r1 |
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| 94 | vld1.32 {d16[1]}, [r0], r1 |
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| 95 | vld1.32 {d18[1]}, [r0], r1 |
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| 96 | vld1.32 {d20[1]}, [r0], r1 |
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| 97 | vld1.32 {d22[1]}, [r0], r1 |
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| 98 | vld1.32 {d17[0]}, [r0], r1 |
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| 99 | vld1.32 {d19[0]}, [r0], r1 |
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| 100 | vld1.32 {d21[0]}, [r0], r1 |
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| 101 | vld1.32 {d23[0]}, [r0], r1 |
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| 102 | vtrn.8 q8, q9 |
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| 103 | vtrn.8 q10, q11 |
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| 104 | vtrn.16 q8, q10 |
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| 105 | vtrn.16 q9, q11 |
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| 106 | vp6_edge_filter |
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| 107 | vtrn.8 q9, q10 |
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| 108 | vst1.16 {d18[0]}, [r3], r1 |
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| 109 | vst1.16 {d20[0]}, [r3], r1 |
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| 110 | vst1.16 {d18[1]}, [r3], r1 |
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| 111 | vst1.16 {d20[1]}, [r3], r1 |
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| 112 | vst1.16 {d18[2]}, [r3], r1 |
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| 113 | vst1.16 {d20[2]}, [r3], r1 |
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| 114 | vst1.16 {d18[3]}, [r3], r1 |
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| 115 | vst1.16 {d20[3]}, [r3], r1 |
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| 116 | vst1.16 {d19[0]}, [r3], r1 |
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| 117 | vst1.16 {d21[0]}, [r3], r1 |
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| 118 | vst1.16 {d19[1]}, [r3], r1 |
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| 119 | vst1.16 {d21[1]}, [r3], r1 |
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| 120 | bx lr |
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| 121 | endfunc |