mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 15:52:25 +00:00
e24087509a
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@10990 b3059339-0415-0410-9bf9-f77b7e298cf2
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*
|
|
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
|
|
** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
|
|
**
|
|
** This program is free software; you can redistribute it and/or modify
|
|
** it under the terms of the GNU General Public License as published by
|
|
** the Free Software Foundation; either version 2 of the License, or
|
|
** (at your option) any later version.
|
|
**
|
|
** This program 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 General Public License for more details.
|
|
**
|
|
** You should have received a copy of the GNU General Public License
|
|
** along with this program; if not, write to the Free Software
|
|
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
**
|
|
** Any non-GPL usage of this software or parts of this software is strictly
|
|
** forbidden.
|
|
**
|
|
** Commercial non-GPL licensing of this software is possible.
|
|
** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
|
|
**
|
|
** $Id: sbr_hfadj.h,v 1.2 2003/09/09 18:09:52 menno Exp $
|
|
**/
|
|
|
|
#ifndef __SBR_HFADJ_H__
|
|
#define __SBR_HFADJ_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct {
|
|
|
|
real_t Q_mapped[64][5];
|
|
|
|
uint8_t S_index_mapped[64][5];
|
|
uint8_t S_mapped[64][5];
|
|
|
|
real_t G_lim_boost[5][64];
|
|
real_t Q_M_lim_boost[5][64];
|
|
real_t S_M_boost[5][64];
|
|
|
|
} sbr_hfadj_info;
|
|
|
|
|
|
void hf_adjustment(sbr_info *sbr, qmf_t *Xsbr
|
|
#ifdef SBR_LOW_POWER
|
|
,real_t *deg
|
|
#endif
|
|
,uint8_t ch);
|
|
|
|
|
|
static void map_envelope_data(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
|
|
static void map_noise_data(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
|
|
static void map_sinusoids(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
|
|
static void estimate_current_envelope(sbr_info *sbr, sbr_hfadj_info *adj, qmf_t *Xsbr,
|
|
uint8_t ch);
|
|
static void additional_component_levels(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
|
|
static void calculate_gain(sbr_info *sbr, sbr_hfadj_info *adj, uint8_t ch);
|
|
#ifdef SBR_LOW_POWER
|
|
static void calc_gain_groups(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch);
|
|
static void aliasing_reduction(sbr_info *sbr, sbr_hfadj_info *adj, real_t *deg, uint8_t ch);
|
|
#endif
|
|
static void hf_assembly(sbr_info *sbr, sbr_hfadj_info *adj, qmf_t *Xsbr, uint8_t ch);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|
|
|