img_fdct_8x8_d.c

dm642函数库

/* ======================================================================== */
/*  TEXAS INSTRUMENTS, INC.                                                 */
/*                                                                          */
/*  NAME                                                                    */
/*      IMG_fdct_8x8_d.c -- Example file for IMG_fdct_8x8                   */
/*                                                                          */
/*  USAGE                                                                   */
/*      This file contains code for demonstrating the C64x IMGLIB           */
/*      IMG_fdct_8x8 function. All inputs to the function contain random    */
/*      data. The assembly version of IMG_fdct_8x8 is called and the        */
/*      output is compared with the reference C code using mem_compare()    */
/*      in support.c.                                                       */
/* ------------------------------------------------------------------------ */
/*          Copyright (C) 2003 Texas Instruments, Incorporated.             */
/*                          All Rights Reserved.                            */
/* ======================================================================== */
    
#include <stdio.h>
#include <stdlib.h>

/* Header file for the memory compare function */
int mem_compare(const void *ptr1, const char *name1,
                const void *ptr2, const char *name2, int len);

/* Header file for the DSPLIB function */
#include "IMG_fdct_8x8.h"

/* Header file for the C function */
void IMG_fdct_8x8_c(short * fdct_data, unsigned NUM_FDCTS);

/* ======================================================================== */
/*  IMGLIB function-specific alignments. Refer to the                       */
/*  TMS320C64x IMG Library Programmer's Reference for details.              */
/* ======================================================================== */
#pragma DATA_ALIGN(fdct_data_asm, 8);
#pragma DATA_ALIGN(fdct_data_c, 8);

/* ======================================================================== */
/*  Constant dataset.                                                       */
/* ======================================================================== */
#define num_fdcts    (6)


/* ======================================================================== */
/*  Initialize arrays with random test data.                                */
/* ======================================================================== */
int    test = 0;
short  fdct_data_asm[384] = 
{
    -0x4BE7, -0x1234,  0x3530,  0x532F, -0x4670, -0x410D, -0x2194,  0x2C41,
     0x2838, -0x0005,  0x40D6,  0x7177, -0x01EA, -0x41E7,  0x638B, -0x2B78,
     0x1FA2, -0x2BF1,  0x58B6,  0x400A, -0x6D8B,  0x09CC,  0x2E51, -0x451C,
    -0x3465, -0x5E0C,  0x117A, -0x1B10, -0x3129, -0x199D, -0x6FDE,  0x4D8B,
     0x1967, -0x7458,  0x13D2, -0x600B, -0x32CF,  0x7280,  0x5B63,  0x0D7E,
    -0x39B6,  0x6393,  0x5954, -0x452B,  0x35F9, -0x3FE5, -0x1770, -0x4A1B,
    -0x5352, -0x5E2D, -0x7970, -0x6161, -0x066F, -0x0713, -0x4D22, -0x6389,
     0x08D3, -0x5D8B,  0x09E1,  0x287A,  0x27FB,  0x68CC,  0x4342,  0x012D,
    -0x4362,  0x6DE9,  0x37C6, -0x18DF, -0x28B1, -0x7ADD,  0x0E7C,  0x1B40,
     0x12CC,  0x4C67,  0x21CD, -0x5740,  0x5007,  0x59BF, -0x7899, -0x7796,
    -0x3247, -0x4D2D, -0x0629, -0x5513, -0x6E2A, -0x5788,  0x5210, -0x12F3,
    -0x0C9E, -0x476E,  0x0FE6, -0x1213, -0x79BB,  0x5EAD, -0x6A23, -0x2EEE,
     0x1B28,  0x6653, -0x143C,  0x2898,  0x44AE, -0x6670, -0x7745,  0x3D03,
    -0x6700, -0x53DF, -0x1175, -0x7E63, -0x0884, -0x72D0,  0x4066,  0x2509,
     0x7479, -0x48C7, -0x1A87, -0x78BD,  0x13E6,  0x22B8,  0x30AA, -0x7FA6,
    -0x6611, -0x54E5,  0x7098, -0x40EA, -0x01A5,  0x07F9,  0x6338, -0x4936,
     0x75DC, -0x7B1E, -0x569C, -0x3486,  0x39F3,  0x2F4D,  0x777F,  0x451E,
    -0x5F0E, -0x0582, -0x77F9,  0x5A7B, -0x52DE,  0x7327,  0x7A25,  0x7A08,
     0x19FE, -0x2B48, -0x683D,  0x27B5, -0x1C36,  0x3625,  0x5EE4, -0x4765,
     0x2743, -0x0232,  0x24CD, -0x6A44,  0x6176,  0x584A,  0x66F8,  0x1F6E,
    -0x3EFB,  0x1178, -0x2CC4,  0x11EE, -0x50B7, -0x48E1,  0x10E1,  0x2A9C,
     0x277D, -0x2F61, -0x765E, -0x24CA,  0x0AA3, -0x1724,  0x36CA, -0x58C3,
     0x185D,  0x0B75,  0x0795, -0x351B,  0x251B,  0x6953, -0x1909,  0x79FF,
    -0x1DBB,  0x44E5,  0x1BB8,  0x725D, -0x136E, -0x2DA8,  0x1863, -0x66FB,
    -0x75B4,  0x0725,  0x40C0,  0x400F, -0x6C4A, -0x036D, -0x21E9,  0x4F57,
    -0x0829, -0x5D0A, -0x4B56,  0x5AED,  0x0534,  0x2820, -0x2D15, -0x2B54,
     0x2B81,  0x5FB4, -0x7C82,  0x7D3F,  0x0727,  0x6A2D, -0x7D0A,  0x678F,
     0x69B7, -0x2370, -0x41FD, -0x588A,  0x5A32,  0x7FE1,  0x6888,  0x6D7D,
     0x3A14,  0x7C5F,  0x2148,  0x108F,  0x62B0,  0x4719,  0x7E5C,  0x64CF,
     0x3A2A,  0x105F, -0x3DC7, -0x1DC1, -0x1CEA, -0x35CD, -0x3565,  0x3200,
    -0x5757,  0x2BCE, -0x16B0,  0x171C, -0x3B71, -0x6EF1,  0x7362, -0x06EC,
    -0x36BC,  0x7BC4,  0x2304,  0x37D8, -0x33BD, -0x6878, -0x4F35, -0x573E,
     0x53B6, -0x6F35, -0x4A3A, -0x237B, -0x45A0, -0x26D1, -0x4C30,  0x4B3C,
     0x23AB,  0x52DA,  0x2158, -0x6D2A,  0x4374, -0x4E34,  0x010E, -0x519E,
    -0x2AF5,  0x3EE8, -0x045D,  0x3659, -0x0D1F, -0x16D3, -0x0203, -0x1D88,
    -0x26B1,  0x1102,  0x7A7E, -0x2874,  0x1592,  0x5027,  0x6B4C,  0x1775,
     0x132D,  0x460B,  0x57B7,  0x0DE0,  0x722D,  0x222D,  0x69E4, -0x68A1,
     0x25C8,  0x376E,  0x2A01, -0x1A3D, -0x3DE7,  0x59D8,  0x0B68, -0x26D4,
    -0x04E0,  0x21F0,  0x42C4, -0x3E2A,  0x7DA0,  0x41D3,  0x0E62,  0x4123,
     0x6512, -0x768A,  0x2D78,  0x13C0, -0x239F,  0x5319,  0x3DB4, -0x4743,
     0x09A6, -0x1CF5,  0x5EBD,  0x4E18, -0x540C,  0x4C19,  0x1DBA,  0x1C90,
     0x32D6,  0x44AC,  0x4A65,  0x5120, -0x3C82,  0x166F,  0x0728,  0x7AFC,
    -0x65E1,  0x1E63,  0x109F,  0x6960, -0x14AA, -0x3904,  0x7FDC,  0x2ADD,
    -0x597F, -0x1B02,  0x359E,  0x1648,  0x2490,  0x5DF7, -0x4F22,  0x15B6,
     0x117E,  0x4156,  0x5668, -0x0389,  0x5D7F, -0x7AE7,  0x2112,  0x0A86,
    -0x7536,  0x675A, -0x59F2, -0x2D79, -0x334F, -0x4689,  0x6DAF,  0x5A9F,
     0x5417, -0x7AAF,  0x0B13, -0x5570,  0x550E, -0x5847, -0x7AFE, -0x0361,
    -0x7789,  0x289A,  0x24B8, -0x73E0, -0x591E, -0x72B4,  0x41E6,  0x17FE
};
short  fdct_data_c[384];


int main()
{   
/* ------------------------------------------------------------------------ */
/*  Duplicate input for natural-C function call.                            */
/* ------------------------------------------------------------------------ */
    memcpy(fdct_data_c, fdct_data_asm, sizeof(fdct_data_asm));

/* ======================================================================== */
/*  Call hand-coded assembly version (located in IMG64x.lib library         */ 
/*  archive - see Project -> Build Options -> Linker -> Include Libraries)  */
/* ======================================================================== */   
    IMG_fdct_8x8(fdct_data_asm, num_fdcts);
    
/* ======================================================================== */
/*  Call natural-C version                                                  */
/* ======================================================================== */
    IMG_fdct_8x8_c(fdct_data_c, num_fdcts);

/* ======================================================================== */
/*  Compare outputs using mem_compare() in support.c.  If different,        */
/*  mem_compare() displays location of failures.                            */
/* ======================================================================== */
    test = mem_compare(fdct_data_asm, "fdct_data_asm", fdct_data_c, "fdct_data_c", sizeof(fdct_data_c));
    if (test == 0) 
    {
      printf("fdct_data_asm vs. fdct_data_c");
      printf("\nVerification successful.\n");
    }

}

/* ======================================================================== */
/*  End of file:  img_fdct_8x8_d.c                                          */
/* ------------------------------------------------------------------------ */
/*          Copyright (C) 2003 Texas Instruments, Incorporated.             */
/*                          All Rights Reserved.                            */
/* ======================================================================== */