Forums - fcvMemAlloc fails in a Segmentation Fault

 

// compile with gcc file.c -o file -I <fastcv_inc_dir> -L <fastcv_lib_dir> -lfastcv  -lm -lpthread -O3

 

#ifndef _USE_MATH_DEFINES

#define _USE_MATH_DEFINES

#endif

 

#ifndef _GNU_SOURCE

#define _GNU_SOURCE

#endif

 

#include <stdio.h>

#include <unistd.h>

#include <stdint.h>

#include <math.h>

#include <sys/file.h>

#include <fcntl.h>

 

#define NDEBUG

#include <fastcv.h>

 

#define Z_IMG 3

#define Y_IMG 1280

#define X_IMG 960

 

#define INPUT_FILE_NAME (const char *) "rgb.raw"

#define OUTPUT_FILE_NAME (const char *) "blurred.raw"

 

#define MODE_700 (mode_t) S_IRWXU // 00700

#define MODE_400 (mode_t) S_IRUSR // 00400

#define MODE_200 (mode_t) S_IWUSR // 00200

#define MODE_100 (mode_t) S_IXUSR // 00100

#define MODE_070 (mode_t) S_IRWXG // 00070

#define MODE_040 (mode_t) S_IRGRP // 00040

#define MODE_020 (mode_t) S_IWGRP // 00020

#define MODE_010 (mode_t) S_IXGRP // 00010

#define MODE_007 (mode_t) S_IRWXO // 00007

#define MODE_004 (mode_t) S_IROTH // 00004

#define MODE_002 (mode_t) S_IWOTH // 00002

#define MODE_001 (mode_t) S_IXOTH // 00001

 

#define MODE_777 (mode_t) MODE_700 | MODE_070 | MODE_007

 

int main(int argc, char *argv[])

{

    int32_t fd = -1;

 

    // src raw data buffer

    uint8_t src[Z_IMG * X_IMG * Y_IMG] = {0};

 

    printf("Allocating memory for tempdst\n");

    // destination data buffer

    uint8_t *tempdst = (uint8_t*) fcvMemAlloc(Z_IMG * X_IMG * Y_IMG * sizeof(uint8_t), 16);

 

    printf("opening %s\n", argv[1]);

    fd = open(argv[1], O_RDONLY);

    if(fd == -1)

    {

        perror("open: ");

        return -1;

    }

    

    printf("Reading...");

    read(fd, src, sizeof(src));

    close(fd);

    fd = -1;

 

    fcvFilterGaussian11x11u8(src, 1280, 960, tempdst, 1);

 

    printf("Writing...");

    fd = open(OUTPUT_FILE_NAME, O_RDWR | O_CREAT, MODE_777);

    write(fd, tempdst, Z_IMG * X_IMG * Y_IMG);

    close(fd);

 

    fcvMemFree(tempdst);

    printf("\n");

    return 0;