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