annotate ffmpeg/libavcodec/arm/vorbisdsp_init_arm.c @ 13:844d341cf643 tip

Back up before ISMIR
author Yading Song <yading.song@eecs.qmul.ac.uk>
date Thu, 31 Oct 2013 13:17:06 +0000
parents 6840f77b83aa
children
rev   line source
yading@10 1 /*
yading@10 2 * ARM NEON optimised DSP functions
yading@10 3 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
yading@10 4 *
yading@10 5 * This file is part of FFmpeg.
yading@10 6 *
yading@10 7 * FFmpeg is free software; you can redistribute it and/or
yading@10 8 * modify it under the terms of the GNU Lesser General Public
yading@10 9 * License as published by the Free Software Foundation; either
yading@10 10 * version 2.1 of the License, or (at your option) any later version.
yading@10 11 *
yading@10 12 * FFmpeg is distributed in the hope that it will be useful,
yading@10 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
yading@10 15 * Lesser General Public License for more details.
yading@10 16 *
yading@10 17 * You should have received a copy of the GNU Lesser General Public
yading@10 18 * License along with FFmpeg; if not, write to the Free Software
yading@10 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10 20 */
yading@10 21
yading@10 22 #include "libavutil/attributes.h"
yading@10 23 #include "libavutil/cpu.h"
yading@10 24 #include "libavutil/arm/cpu.h"
yading@10 25 #include "libavcodec/vorbisdsp.h"
yading@10 26
yading@10 27 void ff_vorbis_inverse_coupling_neon(float *mag, float *ang,
yading@10 28 intptr_t blocksize);
yading@10 29
yading@10 30 av_cold void ff_vorbisdsp_init_arm(VorbisDSPContext *c)
yading@10 31 {
yading@10 32 int cpu_flags = av_get_cpu_flags();
yading@10 33
yading@10 34 if (have_neon(cpu_flags)) {
yading@10 35 c->vorbis_inverse_coupling = ff_vorbis_inverse_coupling_neon;
yading@10 36 }
yading@10 37 }