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https://github.com/FFmpeg/FFmpeg.git
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88 lines
3.7 KiB
C
88 lines
3.7 KiB
C
/*
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* AAC Spectral Band Replication decoding functions
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* Copyright (c) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
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*
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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 "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/sbrdsp.h"
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float ff_sbr_sum_square_sse(float (*x)[2], int n);
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void ff_sbr_sum64x5_sse(float *z);
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void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2],
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const float *g_filt, int m_max, intptr_t ixh);
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void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
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const float alpha0[2], const float alpha1[2],
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float bw, int start, int end);
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void ff_sbr_neg_odd_64_sse(float *z);
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void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z);
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void ff_sbr_qmf_deint_bfly_sse(float *v, const float *src0, const float *src1);
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void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1);
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void ff_sbr_qmf_pre_shuffle_sse2(float *z);
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void ff_sbr_hf_apply_noise_0_sse2(float (*Y)[2], const float *s_m,
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const float *q_filt, int noise,
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int kx, int m_max);
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void ff_sbr_hf_apply_noise_1_sse2(float (*Y)[2], const float *s_m,
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const float *q_filt, int noise,
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int kx, int m_max);
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void ff_sbr_hf_apply_noise_2_sse2(float (*Y)[2], const float *s_m,
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const float *q_filt, int noise,
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int kx, int m_max);
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void ff_sbr_hf_apply_noise_3_sse2(float (*Y)[2], const float *s_m,
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const float *q_filt, int noise,
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int kx, int m_max);
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void ff_sbr_qmf_deint_neg_sse(float *v, const float *src);
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void ff_sbr_autocorrelate_sse (const float x[40][2], float phi[3][2][2]);
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void ff_sbr_autocorrelate_sse3(const float x[40][2], float phi[3][2][2]);
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av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE(cpu_flags)) {
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s->neg_odd_64 = ff_sbr_neg_odd_64_sse;
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s->sum_square = ff_sbr_sum_square_sse;
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s->sum64x5 = ff_sbr_sum64x5_sse;
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s->hf_g_filt = ff_sbr_hf_g_filt_sse;
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s->hf_gen = ff_sbr_hf_gen_sse;
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s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse;
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s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse;
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s->qmf_deint_neg = ff_sbr_qmf_deint_neg_sse;
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s->autocorrelate = ff_sbr_autocorrelate_sse;
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}
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if (EXTERNAL_SSE2(cpu_flags)) {
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s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse2;
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s->qmf_pre_shuffle = ff_sbr_qmf_pre_shuffle_sse2;
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s->hf_apply_noise[0] = ff_sbr_hf_apply_noise_0_sse2;
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s->hf_apply_noise[1] = ff_sbr_hf_apply_noise_1_sse2;
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s->hf_apply_noise[2] = ff_sbr_hf_apply_noise_2_sse2;
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s->hf_apply_noise[3] = ff_sbr_hf_apply_noise_3_sse2;
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}
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if (EXTERNAL_SSE3(cpu_flags)) {
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s->autocorrelate = ff_sbr_autocorrelate_sse3;
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}
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}
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