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63 lines
2.2 KiB
63 lines
2.2 KiB
/* |
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* ARM NEON optimised audio functions |
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/arm/asm.S" |
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function ff_vector_clipf_neon, export=1 |
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VFP vdup.32 q1, d0[1] |
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VFP vdup.32 q0, d0[0] |
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NOVFP vdup.32 q0, r3 |
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NOVFP vld1.32 {d2[],d3[]}, [sp] |
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vld1.f32 {q2},[r1,:128]! |
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vmin.f32 q10, q2, q1 |
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vld1.f32 {q3},[r1,:128]! |
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vmin.f32 q11, q3, q1 |
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1: vmax.f32 q8, q10, q0 |
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vmax.f32 q9, q11, q0 |
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subs r2, r2, #8 |
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beq 2f |
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vld1.f32 {q2},[r1,:128]! |
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vmin.f32 q10, q2, q1 |
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vld1.f32 {q3},[r1,:128]! |
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vmin.f32 q11, q3, q1 |
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vst1.f32 {q8},[r0,:128]! |
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vst1.f32 {q9},[r0,:128]! |
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b 1b |
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2: vst1.f32 {q8},[r0,:128]! |
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vst1.f32 {q9},[r0,:128]! |
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bx lr |
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endfunc |
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function ff_vector_clip_int32_neon, export=1 |
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vdup.32 q0, r2 |
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vdup.32 q1, r3 |
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ldr r2, [sp] |
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1: |
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vld1.32 {q2-q3}, [r1,:128]! |
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vmin.s32 q2, q2, q1 |
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vmin.s32 q3, q3, q1 |
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vmax.s32 q2, q2, q0 |
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vmax.s32 q3, q3, q0 |
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vst1.32 {q2-q3}, [r0,:128]! |
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subs r2, r2, #8 |
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bgt 1b |
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bx lr |
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endfunc
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