main.c

用于TM1300/PNX1300系列DSP（主要用于视频处理）的各种滤波器源码

/*
 * Copyright (c) 1995,2000 TriMedia Technologies Inc.                  
 *
 * +------------------------------------------------------------------+
 * | This software is furnished under a license and may only be used  |
 * | and copied in accordance with the terms and conditions of  such  |
 * | a license and with the inclusion of this copyright notice. This  |
 * | software or any other copies of this software may not be provided|
 * | or otherwise made available to any other person.  The ownership  |
 * | and title of this software is not transferred.                   |
 * |                                                                  |
 * | The information in this software is subject  to change without   |
 * | any  prior notice and should not be construed as a commitment by |
 * | TriMedia Technologies.                                           |
 * |                                                                  |
 * | this code and information is provided "as is" without any        |
 * | warranty of any kind, either expressed or implied, including but |
 * | not limited to the implied warranties of merchantability and/or  |
 * | fitness for any particular purpose.                              |
 * +------------------------------------------------------------------+
 *
 *  Module name              : main.c    1.2
 *
 *  Last update              : 14:26:51 - 2000/05/12
 *
 *  Description              :
 *
 *  IDCT example program:
 *
 *
 * COD Feb 21, 2000	Added little endian support, input reader,
 *			fixed bug for customer support
 *
 * COD Apr 17, 2000	Added transposition, shuffling of
 *			input data to improve clarity for customer,
 *			added code to print intermediate results
 */

#include <stdlib.h>
#include <stdio.h>
#include "tc.h"

extern	void	idct8x8fix(short *restrict, short *restrict, int);

#define S	8

short	data[64] ;

short	result[64];

main(int argc, char **argv)
{
  int i, j, dataword; 
  int shift = 3, clip = 1000, inshift = 0;

  while (argc > 1) {
    if (!strcmp(argv[1], "-inshift")) {
      inshift = atoi(argv[2]);
      argc--;
      argv++;
    } else if (!strcmp(argv[1], "-clip")) {
      clip = atoi(argv[2]);
      argc--;
      argv++;
    }

    argc--;
    argv++;
  }

  for (i=0; i<8; i++) {
    for (j=0; j<8; j++) {
      scanf("%d", &dataword);
      data[8*i+j] = dataword << inshift;
    }
  }

  idct8x8fix(data, result, clip);

  for (i=0; i<8; i++) {
    for (j=0; j<8; j++)
      printf("%5d ", result[8*i+j]);
    printf("\n");
  }
  exit(EXIT_SUCCESS);
}

void idctprint(a, b, c, d)
{
  int vec[8];
  static int map[8] = { 0, 2, 4, 6, 1, 3, 5, 7 } ;

  vec[!LITTLE_ENDIAN] = (short)a;   vec[ LITTLE_ENDIAN] =  a>>16;
  vec[2+!LITTLE_ENDIAN] = (short)b; vec[2+LITTLE_ENDIAN] = b>>16;
  vec[4+!LITTLE_ENDIAN] = (short)c; vec[4+LITTLE_ENDIAN] = c>>16;
  vec[6+!LITTLE_ENDIAN] = (short)d; vec[6+LITTLE_ENDIAN] = d>>16;

  printf("%-5d %-5d %-5d %-5d %-5d %-5d %-5d %-5d\n",
	 vec[0], vec[1], vec[2], vec[3],
	 vec[4], vec[5], vec[6], vec[7]);
}