libavcodec/sbcdsp_data.h
ff4600d9
 /*
  * 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 */