repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * ARM-NEON-optimized IDCT functions | |
| 3 | * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> | |
| 4 | * | |
| 5 | * This file is part of FFmpeg. | |
| 6 | * | |
| 7 | * FFmpeg is free software; you can redistribute it and/or | |
| 8 | * modify it under the terms of the GNU Lesser General Public | |
| 9 | * License as published by the Free Software Foundation; either | |
| 10 | * version 2.1 of the License, or (at your option) any later version. | |
| 11 | * | |
| 12 | * FFmpeg is distributed in the hope that it will be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 | * Lesser General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU Lesser General Public | |
| 18 | * License along with FFmpeg; if not, write to the Free Software | |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 20 | */ | |
| 21 | ||
| 22 | #include "libavutil/arm/asm.S" | |
| 23 | ||
| 24 | function ff_put_pixels_clamped_neon, export=1 | |
| 25 | vld1.16 {d16-d19}, [r0,:128]! | |
| 26 | vqmovun.s16 d0, q8 | |
| 27 | vld1.16 {d20-d23}, [r0,:128]! | |
| 28 | vqmovun.s16 d1, q9 | |
| 29 | vld1.16 {d24-d27}, [r0,:128]! | |
| 30 | vqmovun.s16 d2, q10 | |
| 31 | vld1.16 {d28-d31}, [r0,:128]! | |
| 32 | vqmovun.s16 d3, q11 | |
| 33 | vst1.8 {d0}, [r1,:64], r2 | |
| 34 | vqmovun.s16 d4, q12 | |
| 35 | vst1.8 {d1}, [r1,:64], r2 | |
| 36 | vqmovun.s16 d5, q13 | |
| 37 | vst1.8 {d2}, [r1,:64], r2 | |
| 38 | vqmovun.s16 d6, q14 | |
| 39 | vst1.8 {d3}, [r1,:64], r2 | |
| 40 | vqmovun.s16 d7, q15 | |
| 41 | vst1.8 {d4}, [r1,:64], r2 | |
| 42 | vst1.8 {d5}, [r1,:64], r2 | |
| 43 | vst1.8 {d6}, [r1,:64], r2 | |
| 44 | vst1.8 {d7}, [r1,:64], r2 | |
| 45 | bx lr | |
| 46 | endfunc | |
| 47 | ||
| 48 | function ff_put_signed_pixels_clamped_neon, export=1 | |
| 49 | vmov.u8 d31, #128 | |
| 50 | vld1.16 {d16-d17}, [r0,:128]! | |
| 51 | vqmovn.s16 d0, q8 | |
| 52 | vld1.16 {d18-d19}, [r0,:128]! | |
| 53 | vqmovn.s16 d1, q9 | |
| 54 | vld1.16 {d16-d17}, [r0,:128]! | |
| 55 | vqmovn.s16 d2, q8 | |
| 56 | vld1.16 {d18-d19}, [r0,:128]! | |
| 57 | vadd.u8 d0, d0, d31 | |
| 58 | vld1.16 {d20-d21}, [r0,:128]! | |
| 59 | vadd.u8 d1, d1, d31 | |
| 60 | vld1.16 {d22-d23}, [r0,:128]! | |
| 61 | vadd.u8 d2, d2, d31 | |
| 62 | vst1.8 {d0}, [r1,:64], r2 | |
| 63 | vqmovn.s16 d3, q9 | |
| 64 | vst1.8 {d1}, [r1,:64], r2 | |
| 65 | vqmovn.s16 d4, q10 | |
| 66 | vst1.8 {d2}, [r1,:64], r2 | |
| 67 | vqmovn.s16 d5, q11 | |
| 68 | vld1.16 {d24-d25}, [r0,:128]! | |
| 69 | vadd.u8 d3, d3, d31 | |
| 70 | vld1.16 {d26-d27}, [r0,:128]! | |
| 71 | vadd.u8 d4, d4, d31 | |
| 72 | vadd.u8 d5, d5, d31 | |
| 73 | vst1.8 {d3}, [r1,:64], r2 | |
| 74 | vqmovn.s16 d6, q12 | |
| 75 | vst1.8 {d4}, [r1,:64], r2 | |
| 76 | vqmovn.s16 d7, q13 | |
| 77 | vst1.8 {d5}, [r1,:64], r2 | |
| 78 | vadd.u8 d6, d6, d31 | |
| 79 | vadd.u8 d7, d7, d31 | |
| 80 | vst1.8 {d6}, [r1,:64], r2 | |
| 81 | vst1.8 {d7}, [r1,:64], r2 | |
| 82 | bx lr | |
| 83 | endfunc | |
| 84 | ||
| 85 | function ff_add_pixels_clamped_neon, export=1 | |
| 86 | mov r3, r1 | |
| 87 | vld1.8 {d16}, [r1,:64], r2 | |
| 88 | vld1.16 {d0-d1}, [r0,:128]! | |
| 89 | vaddw.u8 q0, q0, d16 | |
| 90 | vld1.8 {d17}, [r1,:64], r2 | |
| 91 | vld1.16 {d2-d3}, [r0,:128]! | |
| 92 | vqmovun.s16 d0, q0 | |
| 93 | vld1.8 {d18}, [r1,:64], r2 | |
| 94 | vaddw.u8 q1, q1, d17 | |
| 95 | vld1.16 {d4-d5}, [r0,:128]! | |
| 96 | vaddw.u8 q2, q2, d18 | |
| 97 | vst1.8 {d0}, [r3,:64], r2 | |
| 98 | vqmovun.s16 d2, q1 | |
| 99 | vld1.8 {d19}, [r1,:64], r2 | |
| 100 | vld1.16 {d6-d7}, [r0,:128]! | |
| 101 | vaddw.u8 q3, q3, d19 | |
| 102 | vqmovun.s16 d4, q2 | |
| 103 | vst1.8 {d2}, [r3,:64], r2 | |
| 104 | vld1.8 {d16}, [r1,:64], r2 | |
| 105 | vqmovun.s16 d6, q3 | |
| 106 | vld1.16 {d0-d1}, [r0,:128]! | |
| 107 | vaddw.u8 q0, q0, d16 | |
| 108 | vst1.8 {d4}, [r3,:64], r2 | |
| 109 | vld1.8 {d17}, [r1,:64], r2 | |
| 110 | vld1.16 {d2-d3}, [r0,:128]! | |
| 111 | vaddw.u8 q1, q1, d17 | |
| 112 | vst1.8 {d6}, [r3,:64], r2 | |
| 113 | vqmovun.s16 d0, q0 | |
| 114 | vld1.8 {d18}, [r1,:64], r2 | |
| 115 | vld1.16 {d4-d5}, [r0,:128]! | |
| 116 | vaddw.u8 q2, q2, d18 | |
| 117 | vst1.8 {d0}, [r3,:64], r2 | |
| 118 | vqmovun.s16 d2, q1 | |
| 119 | vld1.8 {d19}, [r1,:64], r2 | |
| 120 | vqmovun.s16 d4, q2 | |
| 121 | vld1.16 {d6-d7}, [r0,:128]! | |
| 122 | vaddw.u8 q3, q3, d19 | |
| 123 | vst1.8 {d2}, [r3,:64], r2 | |
| 124 | vqmovun.s16 d6, q3 | |
| 125 | vst1.8 {d4}, [r3,:64], r2 | |
| 126 | vst1.8 {d6}, [r3,:64], r2 | |
| 127 | bx lr | |
| 128 | endfunc |