/*____________________________________________________________________________
	
	MP3?Decoding?Libraries
	Lanuguages?used:?C?C++?ASM

	As?much?as?I?would?love?to?I?cannot?take
	full?credit?for?writing?this?code.
	Xing?Technology	made?MPEG-layer?3?for?us
	to?decode.?=）
	-?ULTiMaTuM?-

	MPEG-layer?3?（MP3）
	Copyright?（C）?1995-1997?Xing?Technology

??	NOTE:?I?only?edited?the?bare-minimum.?90%
		of?this?is?original?decoding?code...
		Hmm...?that?sounds?strange?=）

____________________________________________________________________________*/

/****??cdct.c??***************************************************

??MPEG?audio?decoder
??dct?format

??Original?revisions:
	mod?5/16/95?first?stage?in?8?pt?dct?does?not?drop?last?sb?mono

******************************************************************/

#include?“config.h“
#include?
#include?
#include?
#include?

/*?external?assembler?（don‘t?you?just?LOVE?multi-
	language?code??=）?*/
#ifdef?ASM_X86
extern?void?fdct32_asm（float*a?float*b）;
extern?void?fdct32_dual_asm（float*a?float*b）;
#elif?defined（ASM_X86_OLD）
extern?void?asm_fdct32（float?*in?float?*out）;
#endif?/*?ASM_X86?*/

float?coef32[31];	/*?32?pt?dct?coefs?*/

/*------------------------------------------------------------*/
float?*dct_coef_addr（）
{
???return?coef32;
}
/*------------------------------------------------------------*/
static?void?forward_bf（int?m?int?n?float?x[]?float?f[]?float?coef[]）
{
???int?i?j?n2;
???int?p?q?p0?k;

???p0?=?0;
???n2?=?n?>>?1;
???for?（i?=?0;?i????{
??????k?=?0;
??????p?=?p0;
??????q?=?p?+?n?-?1;
??????for?（j?=?0;?j???????{
	?f[p]?=?x[p]?+?x[q];
	?f[n2?+?p]?=?coef[k]?*?（x[p]?-?x[q]）;
??????}
???}
}
/*------------------------------------------------------------*/
static?void?back_bf（int?m?int?n?float?x[]?float?f[]）
{
???int?i?j?n2?n21;
???int?p?q?p0;

???p0?=?0;
???n2?=?n?>>?1;
???n21?=?n2?-?1;
???for?（i?=?0;?i????{
??????p?=?p0;
??????q?=?p0;
??????for?（j?=?0;?j?	?f[p]?=?x[q];
??????p?=?p0?+?1;
??????for?（j?=?0;?j?	?f[p]?=?x[q]?+?x[q?+?1];
??????f[p]?=?x[q];
???}
}
/*------------------------------------------------------------*/

#ifdef??_EQUALIZER_ENABLE_
extern?float?equalizer[32];
extern?int?enableEQ;
#endif

void?fdct32（float?x[]?float?c[]）
{
#if?（!defined（ASM_X86）?&&?!defined（ASM_X86_OLD）?||?defined（_EQUALIZER_ENABLE_））
???float?a[32];			/*?ping?pong?buffers?*/
???float?b[32];
???int?p?q;
#endif

???float?*src?=?x;

#ifdef??_EQUALIZER_ENABLE_
???int?i;
???float?b[32];
???if?（enableEQ）?{
???????for（i=0;?i<32;?i++）
	???b[i]?=?x[i]?*?equalizer[i];
???????src?=?b;
???}
#endif??/*?_EQUALIZER_ENABLE_?*/
#undef??_EQUALIZER_ENABLE_

#ifdef?ASM_X86
???fdct32_asm（src?c）;
#elif?defined（ASM_X86_OLD）
???asm_fdct32（src?c）;
#else
/*

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????目錄??????????0??2005-01-11?19:45??mp3解碼源程序

?????文件???????7061??2000-04-23?07:32??mp3解碼源程序\xing.plg

?????文件??????16489??1999-12-03?13:07??mp3解碼源程序\xing.001

?????文件????????148??1998-10-13?19:48??mp3解碼源程序\xing.def

?????文件??????16532??2000-04-23?08:22??mp3解碼源程序\xing.dsp

?????文件????????531??1998-10-13?05:44??mp3解碼源程序\xing.dsw

?????文件??????51985??1999-12-21?12:31??mp3解碼源程序\xing.mak

?????文件?????254976??2000-04-23?08:57??mp3解碼源程序\xing.ncb

?????文件??????49664??2000-04-23?08:57??mp3解碼源程序\xing.opt

?????文件???????2785??2000-04-23?08:57??mp3解碼源程序\xing.rc

?????文件??????32712??2000-04-23?08:57??mp3解碼源程序\xing.aps

?????文件???????9479??2000-04-23?08:11??mp3解碼源程序\cdct.c

?????文件??????10102??2000-04-23?08:09??mp3解碼源程序\cdctasm.asm

?????文件???????8796??2000-04-23?08:15??mp3解碼源程序\csbt.c

?????文件???????7232??2000-04-23?08:44??mp3解碼源程序\csbtb.c

?????文件???????7224??2000-04-23?08:45??mp3解碼源程序\csbtL3.c

?????文件??????17701??2000-04-23?08:35??mp3解碼源程序\cup.c

?????文件??????12428??2000-04-23?08:45??mp3解碼源程序\cupini.c

?????文件???????8270??2000-04-23?08:45??mp3解碼源程序\cupL1.c

?????文件??????35796??2000-04-23?08:36??mp3解碼源程序\cupl3.c

?????文件??????10463??2000-04-23?08:46??mp3解碼源程序\cwin.c

?????文件??????14117??2000-04-23?09:19??mp3解碼源程序\cwin8asm.asm

?????文件??????13612??2000-04-23?09:20??mp3解碼源程序\cwinasm.asm

?????文件??????11081??2000-04-23?08:46??mp3解碼源程序\cwinb.c

?????文件???????1287??2000-04-23?08:36??mp3解碼源程序\cwinm.c

?????文件???????8703??2000-04-23?08:37??mp3解碼源程序\dec8.c

?????文件???????7045??2000-04-23?08:38??mp3解碼源程序\hwin.c

?????文件??????10117??2000-04-23?08:38??mp3解碼源程序\icdct.c

?????文件??????11319??2000-04-23?08:39??mp3解碼源程序\isbt.c

?????文件???????7937??2000-04-23?08:47??mp3解碼源程序\isbtb.c

............此處省略38個文件信息