armicjp_costable.c

来自「The OpenMAX DL (Development Layer) APIs 」· C语言 代码 · 共 104 行

/**
 * 
 * File Name:  armICJP_CosTable.c
 * OpenMAX DL: v1.0.2
 * Revision:   10586
 * Date:       Wednesday, March 5, 2008
 * 
 * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved.
 * 
 * 
 *   
 * File: armICJP_CosTable.c
 * Brief: Defines Cosine Table used in JP Domain for DCT computation
 *
 */

#include "omxtypes.h"
#include "armIC.h"

const OMX_F64 armICJP_CosTable[8][8] = 
{
        {
                0.353553390593273730, 
                0.490392640201615220, 
                0.461939766255643370, 
                0.415734806151272620, 
                0.353553390593273790, 
                0.277785116509801140, 
                0.191341716182544920, 
                0.097545161008064152 
        },
        {
                0.353553390593273730, 
                0.415734806151272620, 
                0.191341716182544920, 
                -0.097545161008064096, 
                -0.353553390593273730, 
                -0.490392640201615220, 
                -0.461939766255643420, 
                -0.277785116509801090
        },
        {
                0.353553390593273730, 
                0.277785116509801140, 
                -0.191341716182544860, 
                -0.490392640201615220, 
                -0.353553390593273840, 
                0.097545161008064138, 
                0.461939766255643260, 
                0.415734806151272730 
        },
        {
                0.353553390593273730, 
                0.097545161008064152, 
                -0.461939766255643370, 
                -0.277785116509801090, 
                0.353553390593273680, 
                0.415734806151272730, 
                -0.191341716182544920, 
                -0.490392640201615330
        },
        {
                0.353553390593273730, 
                -0.097545161008064096, 
                -0.461939766255643420, 
                0.277785116509800920, 
                0.353553390593273840, 
                -0.415734806151272620, 
                -0.191341716182545280, 
                0.490392640201615220 
        },
        {
                0.353553390593273730, 
                -0.277785116509800980, 
                -0.191341716182545170, 
                0.490392640201615220, 
                -0.353553390593273340, 
                -0.097545161008064013, 
                0.461939766255643370, 
                -0.415734806151272510
        },
        {
                0.353553390593273730, 
                -0.415734806151272670, 
                0.191341716182545000, 
                0.097545161008064388, 
                -0.353553390593273620, 
                0.490392640201615330, 
                -0.461939766255643200, 
                0.277785116509800760 
        },
        {
                0.353553390593273730, 
                -0.490392640201615220, 
                0.461939766255643260, 
                -0.415734806151272620, 
                0.353553390593273290, 
                -0.277785116509800760, 
                0.191341716182544780, 
                -0.097545161008064277
        }
};