michael@0: /********************************************************************
michael@0:  *                                                                  *
michael@0:  * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE.   *
michael@0:  * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS     *
michael@0:  * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
michael@0:  * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING.       *
michael@0:  *                                                                  *
michael@0:  * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009                *
michael@0:  * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
michael@0:  *                                                                  *
michael@0:  ********************************************************************
michael@0: 
michael@0:   function:
michael@0:   last mod: $Id: dct.h 16503 2009-08-22 18:14:02Z giles $
michael@0: 
michael@0:  ********************************************************************/
michael@0: 
michael@0: /*Definitions shared by the forward and inverse DCT transforms.*/
michael@0: #if !defined(_dct_H)
michael@0: # define _dct_H (1)
michael@0: 
michael@0: /*cos(n*pi/16) (resp. sin(m*pi/16)) scaled by 65536.*/
michael@0: #define OC_C1S7 ((ogg_int32_t)64277)
michael@0: #define OC_C2S6 ((ogg_int32_t)60547)
michael@0: #define OC_C3S5 ((ogg_int32_t)54491)
michael@0: #define OC_C4S4 ((ogg_int32_t)46341)
michael@0: #define OC_C5S3 ((ogg_int32_t)36410)
michael@0: #define OC_C6S2 ((ogg_int32_t)25080)
michael@0: #define OC_C7S1 ((ogg_int32_t)12785)
michael@0: 
michael@0: #endif