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- /********************************************************************
- * *
- * THIS FILE IS PART OF THE OggTheora SOFTWARE 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 Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
- * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
- * *
- ********************************************************************
- function:
- last mod: $Id: dct.h 16503 2009-08-22 18:14:02Z giles $
- ********************************************************************/
- /*Definitions shared by the forward and inverse DCT transforms.*/
- #if !defined(_dct_H)
- # define _dct_H (1)
- /*cos(n*pi/16) (resp. sin(m*pi/16)) scaled by 65536.*/
- #define OC_C1S7 ((ogg_int32_t)64277)
- #define OC_C2S6 ((ogg_int32_t)60547)
- #define OC_C3S5 ((ogg_int32_t)54491)
- #define OC_C4S4 ((ogg_int32_t)46341)
- #define OC_C5S3 ((ogg_int32_t)36410)
- #define OC_C6S2 ((ogg_int32_t)25080)
- #define OC_C7S1 ((ogg_int32_t)12785)
- #endif
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