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-rw-r--r--test/test_video.c237
1 files changed, 237 insertions, 0 deletions
diff --git a/test/test_video.c b/test/test_video.c
new file mode 100644
index 0000000..b8618d6
--- /dev/null
+++ b/test/test_video.c
@@ -0,0 +1,237 @@
+/*------------------------------------------------------------------------
+ * 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"
+#include <argp.h>
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#endif
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <assert.h>
+
+#include <zbar.h>
+#include "test_images.h"
+
+#ifdef _WIN32
+struct timespec {
+ time_t tv_sec;
+ long tv_nsec;
+};
+#endif
+
+zbar_video_t *video;
+
+#define PROGRAM_NAME "test_video"
+
+static const char doc[] =
+ "\nTest if ZBar is able to handle a video input (camera)\n";
+
+static const struct argp_option options[] = {
+ { "quiet", 'q', 0, 0, "Don't be verbose", 0 },
+ { "dev", 'd', "devnode", 0, "open devnode for video in", 0 },
+ { "format", 'f', "fourcc", 0, "Stop after #seconds", 0 },
+ { "help", '?', 0, 0, "Give this help list", -1 },
+ { "usage", -3, 0, 0, "Give a short usage message", 0 },
+ { 0 }
+};
+
+static int quiet = 0;
+uint32_t vidfmt = fourcc('B', 'G', 'R', '3');
+char *dev = "";
+
+static error_t parse_opt(int k, char *optarg, struct argp_state *state)
+{
+ switch (k) {
+ case 'q':
+ quiet = 1;
+ break;
+ case 'f': {
+ int len = strlen(optarg);
+ if (len > 4)
+ len = 4;
+ memcpy((char *)&vidfmt, optarg, len);
+ if (len < 4)
+ memset(len + (char *)&vidfmt, 0, 4 - len);
+ break;
+ }
+ case 'd':
+ dev = optarg;
+ break;
+ case '?':
+ argp_state_help(state, state->out_stream,
+ ARGP_HELP_SHORT_USAGE | ARGP_HELP_LONG | ARGP_HELP_DOC);
+ exit(0);
+ case -3:
+ argp_state_help(state, state->out_stream, ARGP_HELP_USAGE);
+ exit(0);
+ default:
+ return ARGP_ERR_UNKNOWN;
+ };
+ return 0;
+}
+
+static const struct argp argp = {
+ .options = options,
+ .parser = parse_opt,
+ .doc = doc,
+};
+
+int main(int argc, char *argv[])
+{
+ if (argp_parse(&argp, argc, argv, ARGP_NO_HELP | ARGP_NO_EXIT, 0, 0)) {
+ argp_help(&argp, stderr, ARGP_HELP_SHORT_USAGE, PROGRAM_NAME);
+ return -1;
+ }
+ if (!quiet)
+ zbar_set_verbosity(31);
+ else
+ zbar_set_verbosity(0);
+
+ video = zbar_video_create();
+ if (!video) {
+ fprintf(stderr, "unable to allocate memory?!\n");
+ return (1);
+ }
+
+ zbar_video_request_size(video, 640, 480);
+
+ if (zbar_video_open(video, dev)) {
+ zbar_video_error_spew(video, 0);
+ fprintf(stderr,
+ "ERROR: unable to access your video device\n"
+ "this program requires video capture support using"
+ " v4l version 1 or 2 or VfW\n"
+ " - is your video device located at \"%s\"?\n"
+ " - is your video driver installed? (check dmesg)\n"
+ " - make sure you have the latest drivers\n"
+ " - do you have read/write permission to access it?\n"
+ " - is another application is using it?\n"
+ " - does the device support video capture?\n"
+ " - does the device work with other programs?\n",
+ dev);
+ return (1);
+ }
+ if (!quiet) {
+ fprintf(stderr, "opened video device: %s (fd=%d)\n", dev,
+ zbar_video_get_fd(video));
+ fflush(stderr);
+ }
+
+ if (zbar_video_init(video, vidfmt)) {
+ fprintf(stderr, "ERROR: failed to set format: %.4s(%08x)\n",
+ (char *)&vidfmt, vidfmt);
+ return (zbar_video_error_spew(video, 0));
+ }
+
+ if (zbar_video_enable(video, 1)) {
+ fprintf(stderr, "ERROR: starting video stream\n");
+ return (zbar_video_error_spew(video, 0));
+ }
+ if (!quiet) {
+ fprintf(stderr, "started video stream...\n");
+ fflush(stderr);
+ }
+
+ zbar_image_t *image = zbar_video_next_image(video);
+ if (!image) {
+ fprintf(stderr, "ERROR: unable to capture image\n");
+ return (zbar_video_error_spew(video, 0));
+ }
+ uint32_t format = zbar_image_get_format(image);
+ unsigned width = zbar_image_get_width(image);
+ unsigned height = zbar_image_get_height(image);
+ const uint8_t *data = zbar_image_get_data(image);
+ if (!quiet) {
+ fprintf(stderr, "captured image: %d x %d %.4s @%p\n", width, height,
+ (char *)&format, data);
+ fflush(stderr);
+ }
+
+ zbar_image_destroy(image);
+
+ if (!quiet) {
+ fprintf(stderr, "\nstreaming 100 frames...\n");
+ fflush(stderr);
+ }
+
+ struct timespec start, end;
+#if _POSIX_TIMERS > 0
+ clock_gettime(CLOCK_REALTIME, &start);
+#else
+ struct timeval ustime;
+ gettimeofday(&ustime, NULL);
+ start.tv_nsec = ustime.tv_usec * 1000;
+ start.tv_sec = ustime.tv_sec;
+#endif
+
+ int i;
+ for (i = 0; i < 100; i++) {
+ zbar_image_t *image = zbar_video_next_image(video);
+ if (!image) {
+ fprintf(stderr, "ERROR: unable to capture image\n");
+ return (zbar_video_error_spew(video, 0));
+ }
+ zbar_image_destroy(image);
+ }
+
+#if _POSIX_TIMERS > 0
+ clock_gettime(CLOCK_REALTIME, &end);
+#else
+ gettimeofday(&ustime, NULL);
+ end.tv_nsec = ustime.tv_usec * 1000;
+ end.tv_sec = ustime.tv_sec;
+#endif
+ double ms = (end.tv_sec - start.tv_sec +
+ (end.tv_nsec - start.tv_nsec) / 1000000000.);
+ double fps = i / ms;
+ if (!quiet) {
+ fprintf(stderr, "\nprocessed %d images in %gs @%gfps\n", i, ms, fps);
+ fflush(stderr);
+ }
+
+ if (zbar_video_enable(video, 0)) {
+ fprintf(stderr, "ERROR: while stopping video stream\n");
+ return (zbar_video_error_spew(video, 0));
+ }
+
+ if (!quiet) {
+ fprintf(stderr, "\ncleaning up...\n");
+ fflush(stderr);
+ }
+
+ zbar_video_destroy(video);
+
+ if (test_image_check_cleanup())
+ return (32);
+
+ fprintf(stderr, "video PASSED.\n");
+ return (0);
+}
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