| /* |
| * ARM-NEON-optimized IDCT functions |
| * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/arm/asm.S" |
| |
| function ff_put_pixels_clamped_neon, export=1 |
| vld1.16 {d16-d19}, [r0,:128]! |
| vqmovun.s16 d0, q8 |
| vld1.16 {d20-d23}, [r0,:128]! |
| vqmovun.s16 d1, q9 |
| vld1.16 {d24-d27}, [r0,:128]! |
| vqmovun.s16 d2, q10 |
| vld1.16 {d28-d31}, [r0,:128]! |
| vqmovun.s16 d3, q11 |
| vst1.8 {d0}, [r1,:64], r2 |
| vqmovun.s16 d4, q12 |
| vst1.8 {d1}, [r1,:64], r2 |
| vqmovun.s16 d5, q13 |
| vst1.8 {d2}, [r1,:64], r2 |
| vqmovun.s16 d6, q14 |
| vst1.8 {d3}, [r1,:64], r2 |
| vqmovun.s16 d7, q15 |
| vst1.8 {d4}, [r1,:64], r2 |
| vst1.8 {d5}, [r1,:64], r2 |
| vst1.8 {d6}, [r1,:64], r2 |
| vst1.8 {d7}, [r1,:64], r2 |
| bx lr |
| endfunc |
| |
| function ff_put_signed_pixels_clamped_neon, export=1 |
| vmov.u8 d31, #128 |
| vld1.16 {d16-d17}, [r0,:128]! |
| vqmovn.s16 d0, q8 |
| vld1.16 {d18-d19}, [r0,:128]! |
| vqmovn.s16 d1, q9 |
| vld1.16 {d16-d17}, [r0,:128]! |
| vqmovn.s16 d2, q8 |
| vld1.16 {d18-d19}, [r0,:128]! |
| vadd.u8 d0, d0, d31 |
| vld1.16 {d20-d21}, [r0,:128]! |
| vadd.u8 d1, d1, d31 |
| vld1.16 {d22-d23}, [r0,:128]! |
| vadd.u8 d2, d2, d31 |
| vst1.8 {d0}, [r1,:64], r2 |
| vqmovn.s16 d3, q9 |
| vst1.8 {d1}, [r1,:64], r2 |
| vqmovn.s16 d4, q10 |
| vst1.8 {d2}, [r1,:64], r2 |
| vqmovn.s16 d5, q11 |
| vld1.16 {d24-d25}, [r0,:128]! |
| vadd.u8 d3, d3, d31 |
| vld1.16 {d26-d27}, [r0,:128]! |
| vadd.u8 d4, d4, d31 |
| vadd.u8 d5, d5, d31 |
| vst1.8 {d3}, [r1,:64], r2 |
| vqmovn.s16 d6, q12 |
| vst1.8 {d4}, [r1,:64], r2 |
| vqmovn.s16 d7, q13 |
| vst1.8 {d5}, [r1,:64], r2 |
| vadd.u8 d6, d6, d31 |
| vadd.u8 d7, d7, d31 |
| vst1.8 {d6}, [r1,:64], r2 |
| vst1.8 {d7}, [r1,:64], r2 |
| bx lr |
| endfunc |
| |
| function ff_add_pixels_clamped_neon, export=1 |
| mov r3, r1 |
| vld1.8 {d16}, [r1,:64], r2 |
| vld1.16 {d0-d1}, [r0,:128]! |
| vaddw.u8 q0, q0, d16 |
| vld1.8 {d17}, [r1,:64], r2 |
| vld1.16 {d2-d3}, [r0,:128]! |
| vqmovun.s16 d0, q0 |
| vld1.8 {d18}, [r1,:64], r2 |
| vaddw.u8 q1, q1, d17 |
| vld1.16 {d4-d5}, [r0,:128]! |
| vaddw.u8 q2, q2, d18 |
| vst1.8 {d0}, [r3,:64], r2 |
| vqmovun.s16 d2, q1 |
| vld1.8 {d19}, [r1,:64], r2 |
| vld1.16 {d6-d7}, [r0,:128]! |
| vaddw.u8 q3, q3, d19 |
| vqmovun.s16 d4, q2 |
| vst1.8 {d2}, [r3,:64], r2 |
| vld1.8 {d16}, [r1,:64], r2 |
| vqmovun.s16 d6, q3 |
| vld1.16 {d0-d1}, [r0,:128]! |
| vaddw.u8 q0, q0, d16 |
| vst1.8 {d4}, [r3,:64], r2 |
| vld1.8 {d17}, [r1,:64], r2 |
| vld1.16 {d2-d3}, [r0,:128]! |
| vaddw.u8 q1, q1, d17 |
| vst1.8 {d6}, [r3,:64], r2 |
| vqmovun.s16 d0, q0 |
| vld1.8 {d18}, [r1,:64], r2 |
| vld1.16 {d4-d5}, [r0,:128]! |
| vaddw.u8 q2, q2, d18 |
| vst1.8 {d0}, [r3,:64], r2 |
| vqmovun.s16 d2, q1 |
| vld1.8 {d19}, [r1,:64], r2 |
| vqmovun.s16 d4, q2 |
| vld1.16 {d6-d7}, [r0,:128]! |
| vaddw.u8 q3, q3, d19 |
| vst1.8 {d2}, [r3,:64], r2 |
| vqmovun.s16 d6, q3 |
| vst1.8 {d4}, [r3,:64], r2 |
| vst1.8 {d6}, [r3,:64], r2 |
| bx lr |
| endfunc |
