1/* 2 * Copyright (c) 2014 James Almer 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21#include "libavcodec/flacdsp.h" 22#include "libavutil/x86/cpu.h" 23#include "config.h" 24 25void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order, 26 int qlevel, int len); 27void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order, 28 int qlevel, int len); 29 30av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, 31 int bps) 32{ 33#if HAVE_YASM 34 int cpu_flags = av_get_cpu_flags(); 35 36 if (EXTERNAL_SSE4(cpu_flags)) { 37 if (bps > 16 && CONFIG_FLAC_DECODER) 38 c->lpc = ff_flac_lpc_32_sse4; 39 } 40 if (EXTERNAL_XOP(cpu_flags)) { 41 if (bps > 16 && CONFIG_FLAC_DECODER) 42 c->lpc = ff_flac_lpc_32_xop; 43 } 44#endif 45} 46