zbar-windows/test/test_proc.c

/*------------------------------------------------------------------------
 *  Copyright 2007-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
 *
 *  This file is part of the ZBar Bar Code Reader.
 *
 *  The ZBar Bar Code Reader is free software; you can redistribute it
 *  and/or modify it under the terms of the GNU Lesser Public License as
 *  published by the Free Software Foundation; either version 2.1 of
 *  the License, or (at your option) any later version.
 *
 *  The ZBar Bar Code Reader is distributed in the hope that it will be
 *  useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 *  of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Lesser Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser Public License
 *  along with the ZBar Bar Code Reader; if not, write to the Free
 *  Software Foundation, Inc., 51 Franklin St, Fifth Floor,
 *  Boston, MA  02110-1301  USA
 *
 *  http://sourceforge.net/projects/zbar
 *------------------------------------------------------------------------*/

#include "config.h"
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>

#include <zbar.h>
#include "test_images.h"

zbar_processor_t *proc = NULL;
int use_threads = 1, use_window = 1;

int input_wait(int timeout)
{
    if (timeout >= 0)
        fprintf(stderr, "waiting %d.%03ds for input...", timeout / 1000,
                timeout % 1000);
    else
        fprintf(stderr, "waiting indefinitely for input...");
    fflush(stderr);
    int rc = zbar_processor_user_wait(proc, timeout);
    if (rc > 0)
        fprintf(stderr, "got input (%02x)\n", rc);
    else if (!rc)
        fprintf(stderr, "timed out\n");
    else if (zbar_processor_get_error_code(proc) == ZBAR_ERR_CLOSED)
        use_window = rc = 0;
    fflush(stderr);
    return (rc);
}

int main(int argc, char **argv)
{
    zbar_set_verbosity(127);
    char *video_dev = NULL;
    uint32_t fmt    = 0;
    int i, j = 0;
    for (i = 1; i < argc; i++) {
        if (argv[i][0] == '-') {
            if (!strncmp(argv[i], "-thr", 4))
                use_threads = 0;
            else if (!strncmp(argv[i], "-win", 4))
                use_window = 0;
            else
                return (1);
        } else if (!j++)
            video_dev = argv[i];
        else if (j++ == 1) {
            int n = strlen(argv[i]);
            if (n > 4)
                n = 4;
            memcpy((char *)&fmt, argv[i], n);
        }
    }
    if (!fmt)
        fmt = fourcc('B', 'G', 'R', '3');

    proc = zbar_processor_create(use_threads);
    assert(proc);
    fprintf(stderr, "created processor (%sthreaded)\n",
            (!use_threads) ? "un" : "");
    fflush(stderr);

    if (zbar_processor_init(proc, NULL, 0))
        return (2);
    fprintf(stderr, "initialized (video=disabled, window=disabled)\n");
    fflush(stderr);

    zbar_image_t *img = zbar_image_create();
    zbar_image_set_size(img, 640, 480);
    zbar_image_set_format(img, fmt);
    test_image_bars(img);

    if (zbar_process_image(proc, img) < 0)
        return (3);
    fprintf(stderr, "processed test image\n");
    fflush(stderr);

    if (zbar_processor_init(proc, video_dev, use_window))
        return (2);
    fprintf(stderr, "reinitialized (video=%s, window=%s)\n",
            (video_dev) ? video_dev : "disabled",
            (use_window) ? "enabled" : "disabled");
    fflush(stderr);

    if (use_window) {
        if (zbar_processor_set_visible(proc, 1))
            return (4);
        fprintf(stderr, "window visible\n");
        fflush(stderr);
    }

    if (input_wait((use_window && !video_dev) ? -1 : 2000) < 0)
        return (5);

    if (zbar_process_image(proc, img) < 0)
        return (3);
    fprintf(stderr, "processed test image\n");
    fflush(stderr);
    zbar_image_destroy(img);

    if (input_wait((use_window && !video_dev) ? -1 : 3333) < 0)
        return (5);

    if (video_dev) {
        if (zbar_processor_set_active(proc, 1))
            return (3);
        fprintf(stderr, "video activated\n");
        fflush(stderr);

        if (input_wait((use_window) ? -1 : 4000) < 0)
            return (5);

        if (zbar_processor_set_active(proc, 0))
            return (3);
        fprintf(stderr, "video deactivated\n");
        fflush(stderr);

        if (input_wait((use_window) ? -1 : 4000) < 0)
            return (5);

        /* FIXME test process_one() */
    }

    if (zbar_process_image(proc, NULL))
        return (3);
    fprintf(stderr, "flushed image\n");
    fflush(stderr);

    if (input_wait((use_window && !video_dev) ? -1 : 2500) < 0)
        return (5);

    fprintf(stderr, "cleaning up...\n");
    fflush(stderr);

    zbar_processor_destroy(proc);
    proc = NULL;
    if (test_image_check_cleanup())
        return (32);
    return (0);
}