1/* 2 * ARM NEON optimised DSP 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/attributes.h" 23#include "libavutil/cpu.h" 24#include "libavutil/arm/cpu.h" 25#include "libavcodec/vorbisdsp.h" 26 27void ff_vorbis_inverse_coupling_neon(float *mag, float *ang, 28 intptr_t blocksize); 29 30av_cold void ff_vorbisdsp_init_arm(VorbisDSPContext *c) 31{ 32 int cpu_flags = av_get_cpu_flags(); 33 34 if (have_neon(cpu_flags)) { 35 c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_neon; 36 } 37} 38