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authorMatthias Vogelgesang <matthias.vogelgesang@gmail.com>2012-09-25 18:18:23 +0200
committerMatthias Vogelgesang <matthias.vogelgesang@gmail.com>2012-09-25 18:18:23 +0200
commit3a45434834999e1ac7c7a99cdaa644d939b859b0 (patch)
tree8782e086aaaa4628852fc38878043b1aa1af6065 /tools/grab.c
parent468641280f9bd6771b5a565b526f40f7fb8e8fad (diff)
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Move tools from test/ to tools/ directory
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1 files changed, 160 insertions, 0 deletions
diff --git a/tools/grab.c b/tools/grab.c
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+/* Copyright (C) 2011, 2012 Matthias Vogelgesang <matthias.vogelgesang@kit.edu>
+ (Karlsruhe Institute of Technology)
+
+ This library is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by the
+ Free Software Foundation; either version 2.1 of the License, or (at your
+ option) any later version.
+
+ This library 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 General Public License for more
+ details.
+
+ You should have received a copy of the GNU Lesser General Public License along
+ with this library; if not, write to the Free Software Foundation, Inc., 51
+ Franklin St, Fifth Floor, Boston, MA 02110, USA */
+
+#include <glib-object.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "uca-plugin-manager.h"
+#include "uca-camera.h"
+
+static UcaCamera *camera = NULL;
+
+static void sigint_handler(int signal)
+{
+ printf("Closing down libuca\n");
+ uca_camera_stop_recording(camera, NULL);
+ g_object_unref(camera);
+ exit(signal);
+}
+
+static void
+print_usage (void)
+{
+ GList *types;
+ UcaPluginManager *manager;
+
+ manager = uca_plugin_manager_new ();
+ g_print ("Usage: benchmark [ ");
+ types = uca_plugin_manager_get_available_cameras (manager);
+
+ if (types == NULL) {
+ g_print ("] -- no camera plugin found\n");
+ return;
+ }
+
+ for (GList *it = g_list_first (types); it != NULL; it = g_list_next (it)) {
+ gchar *name = (gchar *) it->data;
+ if (g_list_next (it) == NULL)
+ g_print ("%s ]\n", name);
+ else
+ g_print ("%s, ", name);
+ }
+}
+
+int main(int argc, char *argv[])
+{
+ UcaPluginManager *manager;
+ GError *error = NULL;
+ (void) signal(SIGINT, sigint_handler);
+
+ guint sensor_width, sensor_height;
+ guint roi_width, roi_height, roi_x, roi_y, roi_width_multiplier, roi_height_multiplier;
+ guint bits;
+ gchar *name;
+
+ g_type_init();
+
+ if (argc < 2) {
+ print_usage();
+ return 1;
+ }
+
+ manager = uca_plugin_manager_new ();
+ camera = uca_plugin_manager_new_camera (manager, argv[1], &error);
+
+ if (camera == NULL) {
+ g_print("Error during initialization: %s\n", error->message);
+ return 1;
+ }
+
+ g_object_get(G_OBJECT(camera),
+ "sensor-width", &sensor_width,
+ "sensor-height", &sensor_height,
+ "name", &name,
+ NULL);
+
+ g_object_set(G_OBJECT(camera),
+ "exposure-time", 0.001,
+ "roi-x0", 0,
+ "roi-y0", 0,
+ "roi-width", 1000,
+ "roi-height", sensor_height,
+ NULL);
+
+ g_object_get(G_OBJECT(camera),
+ "roi-width", &roi_width,
+ "roi-height", &roi_height,
+ "roi-width-multiplier", &roi_width_multiplier,
+ "roi-height-multiplier", &roi_height_multiplier,
+ "roi-x0", &roi_x,
+ "roi-y0", &roi_y,
+ "sensor-bitdepth", &bits,
+ NULL);
+
+ g_print("Camera: %s\n", name);
+ g_free(name);
+
+ g_print("Sensor: %ix%i px\n", sensor_width, sensor_height);
+ g_print("ROI: %ix%i @ (%i, %i), steps: %i, %i\n",
+ roi_width, roi_height, roi_x, roi_y, roi_width_multiplier, roi_height_multiplier);
+
+ const int pixel_size = bits == 8 ? 1 : 2;
+ gpointer buffer = g_malloc0(roi_width * roi_height * pixel_size);
+ gchar filename[FILENAME_MAX];
+ GTimer *timer = g_timer_new();
+
+ for (int i = 0; i < 1; i++) {
+ gint counter = 0;
+ g_print("Start recording\n");
+ uca_camera_start_recording(camera, &error);
+ g_assert_no_error(error);
+
+ while (counter < 5) {
+ g_print(" grab frame ... ");
+ g_timer_start(timer);
+ uca_camera_grab(camera, &buffer, &error);
+
+ if (error != NULL) {
+ g_print("\nError: %s\n", error->message);
+ goto cleanup;
+ }
+
+ g_timer_stop(timer);
+ g_print("done (took %3.5fs)\n", g_timer_elapsed(timer, NULL));
+
+ snprintf(filename, FILENAME_MAX, "frame-%08i.raw", counter++);
+ FILE *fp = fopen(filename, "wb");
+ fwrite(buffer, roi_width * roi_height, pixel_size, fp);
+ fclose(fp);
+ g_usleep(2 * G_USEC_PER_SEC);
+ }
+
+ g_print("Stop recording\n");
+ uca_camera_stop_recording(camera, &error);
+ g_assert_no_error(error);
+ }
+
+ g_timer_destroy(timer);
+
+cleanup:
+ uca_camera_stop_recording(camera, NULL);
+ g_object_unref(camera);
+ g_free(buffer);
+
+ return error != NULL ? 1 : 0;
+}