1/* 2 * Header file for hardcoded AAC tables 3 * 4 * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> 5 * 6 * This file is part of Libav. 7 * 8 * Libav is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public 10 * License as published by the Free Software Foundation; either 11 * version 2.1 of the License, or (at your option) any later version. 12 * 13 * Libav is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * Lesser General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public 19 * License along with Libav; if not, write to the Free Software 20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 21 */ 22 23#ifndef AVCODEC_AAC_TABLEGEN_H 24#define AVCODEC_AAC_TABLEGEN_H 25 26#include "aac_tablegen_decl.h" 27 28#if CONFIG_HARDCODED_TABLES 29#include "libavcodec/aac_tables.h" 30#else 31#include "libavutil/mathematics.h" 32#include "aac.h" 33float ff_aac_pow2sf_tab[428]; 34 35void ff_aac_tableinit(void) 36{ 37 int i; 38 for (i = 0; i < 428; i++) 39 ff_aac_pow2sf_tab[i] = pow(2, (i - POW_SF2_ZERO) / 4.); 40} 41#endif /* CONFIG_HARDCODED_TABLES */ 42 43#endif /* AVCODEC_AAC_TABLEGEN_H */ 44