devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

More files that were missed in the previous commit.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18413 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Giacomelli 2008-09-04 18:03:30 +00:00
parent 46f85c4c54
commit 850adb40d7
7 changed files with 2417 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

75
apps/codecs/lib/mdct2.h Normal file
View file

@ -0,0 +1,75 @@
/********************************************************************
* *
* THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. *
* *
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
* THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
* *
********************************************************************
function: modified discrete cosine transform prototypes
********************************************************************/
#ifndef _OGG_mdct_H_
#define _OGG_mdct_H_
#ifdef _LOW_ACCURACY_
# define X(n) (((((n)>>22)+1)>>1) - ((((n)>>22)+1)>>9))
# //define LOOKUP_T const unsigned char
#else
# define X(n) (n)
# //define LOOKUP_T const ogg_int32_t
#endif
#include <codecs.h>
#include "asm_arm.h"
#include "asm_mcf5249.h"
#include "misc.h"
#ifndef ICONST_ATTR_TREMOR_WINDOW
#define ICONST_ATTR_TREMOR_WINDOW ICONST_ATTR
#endif
#ifndef ICODE_ATTR_TREMOR_MDCT
#define ICODE_ATTR_TREMOR_MDCT ICODE_ATTR
#endif
#ifndef ICODE_ATTR_TREMOR_NOT_MDCT
#define ICODE_ATTR_TREMOR_NOT_MDCT ICODE_ATTR
#endif
#ifdef _LOW_ACCURACY_
#define cPI3_8 (0x0062)
#define cPI2_8 (0x00b5)
#define cPI1_8 (0x00ed)
#else
#define cPI3_8 (0x30fbc54d)
#define cPI2_8 (0x5a82799a)
#define cPI1_8 (0x7641af3d)
#endif
extern void mdct_backward(int n, int32_t *in, int32_t *out);
#endif