misc/libtremor/tremor/mdct.h
author unc0rr
Wed, 19 Jun 2013 00:52:39 +0400
branchwebgl
changeset 9267 dbd18257be8f
parent 7849 a12155461b34
permissions -rw-r--r--
merge
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
5170
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
     1
/********************************************************************
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
     2
 *                                                                  *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
     3
 * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE.   *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
     4
 *                                                                  *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
     5
 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
     6
 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
     7
 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
     8
 *                                                                  *
7849
a12155461b34 revert r767d3c4153a1 this tremor implementation is buggy
koda
parents: 7697
diff changeset
     9
 * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002    *
5170
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    10
 * BY THE Xiph.Org FOUNDATION http://www.xiph.org/                  *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    11
 *                                                                  *
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    12
 ********************************************************************
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    13
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    14
 function: modified discrete cosine transform prototypes
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    15
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    16
 ********************************************************************/
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    17
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    18
#ifndef _OGG_mdct_H_
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    19
#define _OGG_mdct_H_
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    20
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    21
#include "ivorbiscodec.h"
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    22
#include "misc.h"
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    23
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    24
#define DATA_TYPE ogg_int32_t
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    25
#define REG_TYPE  register ogg_int32_t
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    26
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    27
#ifdef _LOW_ACCURACY_
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    28
#define cPI3_8 (0x0062)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    29
#define cPI2_8 (0x00b5)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    30
#define cPI1_8 (0x00ed)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    31
#else
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    32
#define cPI3_8 (0x30fbc54d)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    33
#define cPI2_8 (0x5a82799a)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    34
#define cPI1_8 (0x7641af3d)
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    35
#endif
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    36
7849
a12155461b34 revert r767d3c4153a1 this tremor implementation is buggy
koda
parents: 7697
diff changeset
    37
extern void mdct_forward(int n, DATA_TYPE *in, DATA_TYPE *out);
a12155461b34 revert r767d3c4153a1 this tremor implementation is buggy
koda
parents: 7697
diff changeset
    38
extern void mdct_backward(int n, DATA_TYPE *in, DATA_TYPE *out);
5170
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    39
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    40
#endif
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    41
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    42
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    43
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    44
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    45
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    46
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    47
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    48
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    49
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    50
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    51
f7e49eff3708 add libTremor sources (integer-only libvorbis implementation) to repo and ios project
koda
parents:
diff changeset
    52