/* * Bluetooth low-complexity, subband codec (SBC) * * Copyright (C) 2017 Aurelien Jacobs <aurel@gnuage.org> * Copyright (C) 2008-2010 Nokia Corporation * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org> * Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch> * Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com> * * This file is part of FFmpeg. * * FFmpeg 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. * * FFmpeg 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 FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /** * @file * miscellaneous SBC tables */ #ifndef AVCODEC_SBCDSP_DATA_H #define AVCODEC_SBCDSP_DATA_H #include "sbc.h" #define SBC_PROTO_FIXED_SCALE 16 #define SBC_COS_TABLE_FIXED_SCALE 15 /* * Constant tables for the use in SIMD optimized analysis filters * Each table consists of two parts: * 1. reordered "proto" table * 2. reordered "cos" table * * Due to non-symmetrical reordering, separate tables for "even" * and "odd" cases are needed */ extern const int16_t ff_sbcdsp_analysis_consts_fixed4_simd_even[]; extern const int16_t ff_sbcdsp_analysis_consts_fixed4_simd_odd[]; extern const int16_t ff_sbcdsp_analysis_consts_fixed8_simd_even[]; extern const int16_t ff_sbcdsp_analysis_consts_fixed8_simd_odd[]; #endif /* AVCODEC_SBCDSP_DATA_H */