| 1 | /******************************************************************** |
| 2 | * * |
| 3 | * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. * |
| 4 | * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * |
| 5 | * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * |
| 6 | * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * |
| 7 | * * |
| 8 | * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 * |
| 9 | * by the Xiph.Org Foundation and contributors http://www.xiph.org/ * |
| 10 | * * |
| 11 | ******************************************************************** |
| 12 | |
| 13 | function: |
| 14 | last mod: $Id$ |
| 15 | |
| 16 | ********************************************************************/ |
| 17 | |
| 18 | /*Definitions shared by the forward and inverse DCT transforms.*/ |
| 19 | #if !defined(_dct_H) |
| 20 | # define _dct_H (1) |
| 21 | |
| 22 | /*cos(n*pi/16) (resp. sin(m*pi/16)) scaled by 65536.*/ |
| 23 | #define OC_C1S7 ((ogg_int32_t)64277) |
| 24 | #define OC_C2S6 ((ogg_int32_t)60547) |
| 25 | #define OC_C3S5 ((ogg_int32_t)54491) |
| 26 | #define OC_C4S4 ((ogg_int32_t)46341) |
| 27 | #define OC_C5S3 ((ogg_int32_t)36410) |
| 28 | #define OC_C6S2 ((ogg_int32_t)25080) |
| 29 | #define OC_C7S1 ((ogg_int32_t)12785) |
| 30 | |
| 31 | #endif |
| 32 | |