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https://github.com/FFmpeg/FFmpeg.git
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30cdf384d1
* commit 'd3f5b94762fb803c0f3b29f9ad6c5eaa813998ba': aarch64: opus NEON iMDCT and FFT Merged-by: Michael Niedermayer <michaelni@gmx.at>
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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 <stddef.h>
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#include "libavutil/cpu.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavutil/internal.h"
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#include "libavcodec/opus_imdct.h"
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#include "asm-offsets.h"
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AV_CHECK_OFFSET(CeltIMDCTContext, exptab, CELT_EXPTAB);
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AV_CHECK_OFFSET(CeltIMDCTContext, fft_n, CELT_FFT_N);
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AV_CHECK_OFFSET(CeltIMDCTContext, len2, CELT_LEN2);
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AV_CHECK_OFFSET(CeltIMDCTContext, len4, CELT_LEN4);
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AV_CHECK_OFFSET(CeltIMDCTContext, tmp, CELT_TMP);
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AV_CHECK_OFFSET(CeltIMDCTContext, twiddle_exptab, CELT_TWIDDLE);
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void ff_celt_imdct_half_neon(CeltIMDCTContext *s, float *dst, const float *src,
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ptrdiff_t stride, float scale);
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void ff_celt_imdct_init_aarch64(CeltIMDCTContext *s)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_neon(cpu_flags)) {
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s->imdct_half = ff_celt_imdct_half_neon;
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}
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}
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