| /* |
| * 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 */ |