ps_tables.h

这是著名的TCPMP播放器在WINDWOWS,和WINCE下编译通过的源程序.笔者对其中的LIBMAD库做了针对ARM MPU的优化. 并增加了词幕功能.

/*
** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
** Copyright (C) 2003-2004 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 [e-mail].
**
** $Id: ps_tables.h,v 1.3 2004/09/04 14:56:28 menno Exp $
**/

#ifndef __PS_TABLES_H__
#define __PS_TABLES_H__

#ifdef __cplusplus
extern "C" {
#endif

#ifdef _MSC_VER
#pragma warning(disable:4305)
#pragma warning(disable:4244)
#endif

#if 0
#if 0
float f_center_20[12] = {
    0.5/4,  1.5/4,  2.5/4,  3.5/4,
    4.5/4*0,  5.5/4*0, -1.5/4, -0.5/4,
    3.5/2,  2.5/2,  4.5/2,  5.5/2
};
#else
float f_center_20[12] = {
    0.5/8,  1.5/8,  2.5/8,  3.5/8,
    4.5/8*0,  5.5/8*0, -1.5/8, -0.5/8,
    3.5/4,  2.5/4,  4.5/4,  5.5/4
};
#endif

float f_center_34[32] = {
    1/12,   3/12,   5/12,   7/12,
    9/12,  11/12,  13/12,  15/12,
    17/12, -5/12,  -3/12,  -1/12,
    17/8,   19/8,    5/8,    7/8,
    9/8,    11/8,   13/8,   15/8,
    9/4,    11/4,   13/4,    7/4,
    17/4,   11/4,   13/4,   15/4,
    17/4,   19/4,   21/4,   15/4
};

static const real_t frac_delay_q[] = {
    FRAC_CONST(0.43),
    FRAC_CONST(0.75),
    FRAC_CONST(0.347)
};
#endif

/* RE(ps->Phi_Fract_Qmf[j]) = (float)cos(M_PI*(j+0.5)*(0.39)); */
/* IM(ps->Phi_Fract_Qmf[j]) = (float)sin(M_PI*(j+0.5)*(0.39)); */
static const complex_t Phi_Fract_Qmf[] = {
    { FRAC_CONST(0.8181497455), FRAC_CONST(0.5750052333) },
    { FRAC_CONST(-0.2638730407), FRAC_CONST(0.9645574093) },
    { FRAC_CONST(-0.9969173074), FRAC_CONST(0.0784590989) },
    { FRAC_CONST(-0.4115143716), FRAC_CONST(-0.9114032984) },
    { FRAC_CONST(0.7181262970), FRAC_CONST(-0.6959127784) },
    { FRAC_CONST(0.8980275989), FRAC_CONST(0.4399391711) },
    { FRAC_CONST(-0.1097343117), FRAC_CONST(0.9939609766) },
    { FRAC_CONST(-0.9723699093), FRAC_CONST(0.2334453613) },
    { FRAC_CONST(-0.5490227938), FRAC_CONST(-0.8358073831) },
    { FRAC_CONST(0.6004202366), FRAC_CONST(-0.7996846437) },
    { FRAC_CONST(0.9557930231), FRAC_CONST(0.2940403223) },
    { FRAC_CONST(0.0471064523), FRAC_CONST(0.9988898635) },
    { FRAC_CONST(-0.9238795042), FRAC_CONST(0.3826834261) },
    { FRAC_CONST(-0.6730124950), FRAC_CONST(-0.7396311164) },
    { FRAC_CONST(0.4679298103), FRAC_CONST(-0.8837656379) },
    { FRAC_CONST(0.9900236726), FRAC_CONST(0.1409012377) },
    { FRAC_CONST(0.2027872950), FRAC_CONST(0.9792228341) },
    { FRAC_CONST(-0.8526401520), FRAC_CONST(0.5224985480) },
    { FRAC_CONST(-0.7804304361), FRAC_CONST(-0.6252426505) },
    { FRAC_CONST(0.3239174187), FRAC_CONST(-0.9460853338) },
    { FRAC_CONST(0.9998766184), FRAC_CONST(-0.0157073177) },
    { FRAC_CONST(0.3534748554), FRAC_CONST(0.9354440570) },
    { FRAC_CONST(-0.7604059577), FRAC_CONST(0.6494480371) },
    { FRAC_CONST(-0.8686315417), FRAC_CONST(-0.4954586625) },
    { FRAC_CONST(0.1719291061), FRAC_CONST(-0.9851093292) },
    { FRAC_CONST(0.9851093292), FRAC_CONST(-0.1719291061) },
    { FRAC_CONST(0.4954586625), FRAC_CONST(0.8686315417) },
    { FRAC_CONST(-0.6494480371), FRAC_CONST(0.7604059577) },
    { FRAC_CONST(-0.9354440570), FRAC_CONST(-0.3534748554) },
    { FRAC_CONST(0.0157073177), FRAC_CONST(-0.9998766184) },
    { FRAC_CONST(0.9460853338), FRAC_CONST(-0.3239174187) },
    { FRAC_CONST(0.6252426505), FRAC_CONST(0.7804304361) },
    { FRAC_CONST(-0.5224985480), FRAC_CONST(0.8526401520) },
    { FRAC_CONST(-0.9792228341), FRAC_CONST(-0.2027872950) },
    { FRAC_CONST(-0.1409012377), FRAC_CONST(-0.9900236726) },