00001 /* 00002 * AAC Spectral Band Replication decoding functions 00003 * Copyright (c) 2012 Christophe Gisquet <christophe.gisquet@gmail.com> 00004 * 00005 * This file is part of Libav. 00006 * 00007 * Libav is free software; you can redistribute it and/or 00008 * modify it under the terms of the GNU Lesser General Public 00009 * License as published by the Free Software Foundation; either 00010 * version 2.1 of the License, or (at your option) any later version. 00011 * 00012 * Libav is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with Libav; if not, write to the Free Software 00019 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 */ 00021 00022 #include "config.h" 00023 #include "libavutil/cpu.h" 00024 #include "libavcodec/sbrdsp.h" 00025 00026 float ff_sbr_sum_square_sse(float (*x)[2], int n); 00027 void ff_sbr_hf_g_filt_sse(float (*Y)[2], const float (*X_high)[40][2], 00028 const float *g_filt, int m_max, intptr_t ixh); 00029 00030 void ff_sbrdsp_init_x86(SBRDSPContext *s) 00031 { 00032 if (HAVE_YASM) { 00033 int mm_flags = av_get_cpu_flags(); 00034 00035 if (mm_flags & AV_CPU_FLAG_SSE) { 00036 s->sum_square = ff_sbr_sum_square_sse; 00037 s->hf_g_filt = ff_sbr_hf_g_filt_sse; 00038 } 00039 } 00040 }
1.5.8