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55 lines
1.8 KiB
55 lines
1.8 KiB
/* |
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* Bluetooth low-complexity, subband codec (SBC) |
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* |
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* Copyright (C) 2017 Aurelien Jacobs <aurel@gnuage.org> |
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* Copyright (C) 2008-2010 Nokia Corporation |
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* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org> |
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* Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch> |
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* Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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/** |
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* @file |
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* miscellaneous SBC tables |
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*/ |
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#ifndef AVCODEC_SBCDSP_DATA_H |
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#define AVCODEC_SBCDSP_DATA_H |
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#include "sbc.h" |
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#define SBC_PROTO_FIXED_SCALE 16 |
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#define SBC_COS_TABLE_FIXED_SCALE 15 |
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/* |
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* Constant tables for the use in SIMD optimized analysis filters |
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* Each table consists of two parts: |
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* 1. reordered "proto" table |
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* 2. reordered "cos" table |
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* |
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* Due to non-symmetrical reordering, separate tables for "even" |
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* and "odd" cases are needed |
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*/ |
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extern const int16_t ff_sbcdsp_analysis_consts_fixed4_simd_even[]; |
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extern const int16_t ff_sbcdsp_analysis_consts_fixed4_simd_odd[]; |
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extern const int16_t ff_sbcdsp_analysis_consts_fixed8_simd_even[]; |
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extern const int16_t ff_sbcdsp_analysis_consts_fixed8_simd_odd[]; |
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#endif /* AVCODEC_SBCDSP_DATA_H */
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