mirror of https://github.com/mpv-player/mpv
65 lines
1.8 KiB
C
65 lines
1.8 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: is.h,v 1.6 2003/09/09 18:09:52 menno Exp $
|
|
**/
|
|
|
|
#ifndef __IS_H__
|
|
#define __IS_H__
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include "syntax.h"
|
|
|
|
void is_decode(ic_stream *ics, ic_stream *icsr, real_t *l_spec, real_t *r_spec,
|
|
uint16_t frame_len);
|
|
|
|
static INLINE int8_t is_intensity(ic_stream *ics, uint8_t group, uint8_t sfb)
|
|
{
|
|
switch (ics->sfb_cb[group][sfb])
|
|
{
|
|
case INTENSITY_HCB:
|
|
return 1;
|
|
case INTENSITY_HCB2:
|
|
return -1;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static INLINE int8_t invert_intensity(ic_stream *ics, uint8_t group, uint8_t sfb)
|
|
{
|
|
if (ics->ms_mask_present == 1)
|
|
return (1-2*ics->ms_used[group][sfb]);
|
|
return 1;
|
|
}
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|