repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Copyright (c) 2010 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 vp6_edge_filter | |
| 24 | vdup.16 q3, r2 @ t | |
| 25 | vmov.i16 q13, #1 | |
| 26 | vsubl.u8 q0, d20, d18 @ p[ 0] - p[-s] | |
| 27 | vsubl.u8 q1, d16, d22 @ p[-2*s] - p[ s] | |
| 28 | vsubl.u8 q14, d21, d19 | |
| 29 | vsubl.u8 q15, d17, d23 | |
| 30 | vadd.i16 q2, q0, q0 @ 2*(p[0]-p[-s]) | |
| 31 | vadd.i16 d29, d28, d28 | |
| 32 | vadd.i16 q0, q0, q1 @ p[0]-p[-s] + p[-2*s]-p[s] | |
| 33 | vadd.i16 d28, d28, d30 | |
| 34 | vadd.i16 q0, q0, q2 @ 3*(p[0]-p[-s]) + p[-2*s]-p[s] | |
| 35 | vadd.i16 d28, d28, d29 | |
| 36 | vrshr.s16 q0, q0, #3 @ v | |
| 37 | vrshr.s16 d28, d28, #3 | |
| 38 | vsub.i16 q8, q3, q13 @ t-1 | |
| 39 | vabs.s16 q1, q0 @ V | |
| 40 | vshr.s16 q2, q0, #15 @ s | |
| 41 | vabs.s16 d30, d28 | |
| 42 | vshr.s16 d29, d28, #15 | |
| 43 | vsub.i16 q12, q1, q3 @ V-t | |
| 44 | vsub.i16 d31, d30, d6 | |
| 45 | vsub.i16 q12, q12, q13 @ V-t-1 | |
| 46 | vsub.i16 d31, d31, d26 | |
| 47 | vcge.u16 q12, q12, q8 @ V-t-1 >= t-1 | |
| 48 | vcge.u16 d31, d31, d16 | |
| 49 | vadd.i16 q13, q3, q3 @ 2*t | |
| 50 | vadd.i16 d16, d6, d6 | |
| 51 | vsub.i16 q13, q13, q1 @ 2*t - V | |
| 52 | vsub.i16 d16, d16, d30 | |
| 53 | vadd.i16 q13, q13, q2 @ += s | |
| 54 | vadd.i16 d16, d16, d29 | |
| 55 | veor q13, q13, q2 @ ^= s | |
| 56 | veor d16, d16, d29 | |
| 57 | vbif q0, q13, q12 | |
| 58 | vbif d28, d16, d31 | |
| 59 | vmovl.u8 q1, d20 | |
| 60 | vmovl.u8 q15, d21 | |
| 61 | vaddw.u8 q2, q0, d18 | |
| 62 | vaddw.u8 q3, q14, d19 | |
| 63 | vsub.i16 q1, q1, q0 | |
| 64 | vsub.i16 d30, d30, d28 | |
| 65 | vqmovun.s16 d18, q2 | |
| 66 | vqmovun.s16 d19, q3 | |
| 67 | vqmovun.s16 d20, q1 | |
| 68 | vqmovun.s16 d21, q15 | |
| 69 | .endm | |
| 70 | ||
| 71 | function ff_vp6_edge_filter_ver_neon, export=1 | |
| 72 | sub r0, r0, r1, lsl #1 | |
| 73 | vld1.8 {q8}, [r0], r1 @ p[-2*s] | |
| 74 | vld1.8 {q9}, [r0], r1 @ p[-s] | |
| 75 | vld1.8 {q10}, [r0], r1 @ p[0] | |
| 76 | vld1.8 {q11}, [r0] @ p[s] | |
| 77 | vp6_edge_filter | |
| 78 | sub r0, r0, r1, lsl #1 | |
| 79 | sub r1, r1, #8 | |
| 80 | vst1.8 {d18}, [r0]! | |
| 81 | vst1.32 {d19[0]}, [r0], r1 | |
| 82 | vst1.8 {d20}, [r0]! | |
| 83 | vst1.32 {d21[0]}, [r0] | |
| 84 | bx lr | |
| 85 | endfunc | |
| 86 | ||
| 87 | function ff_vp6_edge_filter_hor_neon, export=1 | |
| 88 | sub r3, r0, #1 | |
| 89 | sub r0, r0, #2 | |
| 90 | vld1.32 {d16[0]}, [r0], r1 | |
| 91 | vld1.32 {d18[0]}, [r0], r1 | |
| 92 | vld1.32 {d20[0]}, [r0], r1 | |
| 93 | vld1.32 {d22[0]}, [r0], r1 | |
| 94 | vld1.32 {d16[1]}, [r0], r1 | |
| 95 | vld1.32 {d18[1]}, [r0], r1 | |
| 96 | vld1.32 {d20[1]}, [r0], r1 | |
| 97 | vld1.32 {d22[1]}, [r0], r1 | |
| 98 | vld1.32 {d17[0]}, [r0], r1 | |
| 99 | vld1.32 {d19[0]}, [r0], r1 | |
| 100 | vld1.32 {d21[0]}, [r0], r1 | |
| 101 | vld1.32 {d23[0]}, [r0], r1 | |
| 102 | vtrn.8 q8, q9 | |
| 103 | vtrn.8 q10, q11 | |
| 104 | vtrn.16 q8, q10 | |
| 105 | vtrn.16 q9, q11 | |
| 106 | vp6_edge_filter | |
| 107 | vtrn.8 q9, q10 | |
| 108 | vst1.16 {d18[0]}, [r3], r1 | |
| 109 | vst1.16 {d20[0]}, [r3], r1 | |
| 110 | vst1.16 {d18[1]}, [r3], r1 | |
| 111 | vst1.16 {d20[1]}, [r3], r1 | |
| 112 | vst1.16 {d18[2]}, [r3], r1 | |
| 113 | vst1.16 {d20[2]}, [r3], r1 | |
| 114 | vst1.16 {d18[3]}, [r3], r1 | |
| 115 | vst1.16 {d20[3]}, [r3], r1 | |
| 116 | vst1.16 {d19[0]}, [r3], r1 | |
| 117 | vst1.16 {d21[0]}, [r3], r1 | |
| 118 | vst1.16 {d19[1]}, [r3], r1 | |
| 119 | vst1.16 {d21[1]}, [r3], r1 | |
| 120 | bx lr | |
| 121 | endfunc |