/* * AAC Spectral Band Replication decoding functions * Copyright (c) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/x86/cpu.h" #include "libavcodec/sbrdsp.h" float ff_sbr_sum_square_sse(float (*x)[2], int n); void ff_sbr_sum64x5_sse(float *z); void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2], const float *g_filt, int m_max, intptr_t ixh); void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2], const float alpha0[2], const float alpha1[2], float bw, int start, int end); void ff_sbr_qmf_post_shuffle_sse(float W[32][2], const float *z); av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s) { int mm_flags = av_get_cpu_flags(); if (EXTERNAL_SSE(mm_flags)) { s->sum_square = ff_sbr_sum_square_sse; s->sum64x5 = ff_sbr_sum64x5_sse; s->hf_g_filt = ff_sbr_hf_g_filt_sse; s->hf_gen = ff_sbr_hf_gen_sse; s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse; } }