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59 lines
2.3 KiB
59 lines
2.3 KiB
/* |
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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 Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s) |
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{ |
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int mm_flags = av_get_cpu_flags(); |
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if (EXTERNAL_SSE(mm_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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} |
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if (EXTERNAL_SSE2(mm_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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} |
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}
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