mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 11:19:55 +00:00
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*
|
|
* 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 */
|