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Diffstat (limited to 'apps/codecs/Tremor/mdct.h')
-rw-r--r-- | apps/codecs/Tremor/mdct.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/apps/codecs/Tremor/mdct.h b/apps/codecs/Tremor/mdct.h deleted file mode 100644 index bdfe0e7304..0000000000 --- a/apps/codecs/Tremor/mdct.h +++ /dev/null | |||
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1 | /******************************************************************** | ||
2 | * * | ||
3 | * THIS FILE IS PART OF THE OggVorbis 'TREMOR' CODEC SOURCE CODE. * | ||
4 | * * | ||
5 | * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * | ||
6 | * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * | ||
7 | * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * | ||
8 | * * | ||
9 | * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 * | ||
10 | * BY THE Xiph.Org FOUNDATION http://www.xiph.org/ * | ||
11 | * * | ||
12 | ******************************************************************** | ||
13 | |||
14 | function: modified discrete cosine transform prototypes | ||
15 | |||
16 | ********************************************************************/ | ||
17 | |||
18 | #ifndef _OGG_mdct_H_ | ||
19 | #define _OGG_mdct_H_ | ||
20 | |||
21 | #include "ivorbiscodec.h" | ||
22 | #include "misc.h" | ||
23 | |||
24 | #define DATA_TYPE ogg_int32_t | ||
25 | #define REG_TYPE register ogg_int32_t | ||
26 | |||
27 | #ifdef _LOW_ACCURACY_ | ||
28 | #define cPI3_8 (0x0062) | ||
29 | #define cPI2_8 (0x00b5) | ||
30 | #define cPI1_8 (0x00ed) | ||
31 | #else | ||
32 | #define cPI3_8 (0x30fbc54d) | ||
33 | #define cPI2_8 (0x5a82799a) | ||
34 | #define cPI1_8 (0x7641af3d) | ||
35 | #endif | ||
36 | |||
37 | //extern void mdct_forward(int n, DATA_TYPE *in, DATA_TYPE *out); | ||
38 | extern void mdct_backward(int n, DATA_TYPE *in, DATA_TYPE *out); | ||
39 | //extern void mdct_bitreverse(DATA_TYPE *x,int n,int step,int shift); | ||
40 | //extern void mdct_butterflies(DATA_TYPE *x,int points,int shift); | ||
41 | |||
42 | #endif | ||
43 | |||
44 | |||
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