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