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author | Matthias Vogelgesang <matthias.vogelgesang@gmail.com> | 2012-09-25 18:18:23 +0200 |
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committer | Matthias Vogelgesang <matthias.vogelgesang@gmail.com> | 2012-09-25 18:18:23 +0200 |
commit | 3a45434834999e1ac7c7a99cdaa644d939b859b0 (patch) | |
tree | 8782e086aaaa4628852fc38878043b1aa1af6065 /tools/grab-async.c | |
parent | 468641280f9bd6771b5a565b526f40f7fb8e8fad (diff) | |
download | libuca-3a45434834999e1ac7c7a99cdaa644d939b859b0.tar.gz libuca-3a45434834999e1ac7c7a99cdaa644d939b859b0.tar.bz2 libuca-3a45434834999e1ac7c7a99cdaa644d939b859b0.tar.xz libuca-3a45434834999e1ac7c7a99cdaa644d939b859b0.zip |
Move tools from test/ to tools/ directory
Diffstat (limited to 'tools/grab-async.c')
-rw-r--r-- | tools/grab-async.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/tools/grab-async.c b/tools/grab-async.c new file mode 100644 index 0000000..6132829 --- /dev/null +++ b/tools/grab-async.c @@ -0,0 +1,138 @@ +/* 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; + +typedef struct { + guint roi_width; + guint roi_height; + guint counter; +} CallbackData; + +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 +grab_callback(gpointer data, gpointer user_data) +{ + CallbackData *cbd = (CallbackData *) user_data; + gchar *filename = g_strdup_printf("frame-%04i.raw", cbd->counter++); + FILE *fp = fopen(filename, "wb"); + + fwrite(data, sizeof(guint16), cbd->roi_width * cbd->roi_height, fp); + g_print("."); + fclose(fp); + g_free(filename); +} + +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[]) +{ + CallbackData cbd; + guint sensor_width, sensor_height; + gchar *name; + UcaPluginManager *manager; + GError *error = NULL; + (void) signal(SIGINT, sigint_handler); + + 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), + "name", &name, + "sensor-width", &sensor_width, + "sensor-height", &sensor_height, + NULL); + + g_object_set(G_OBJECT(camera), + "roi-x0", 0, + "roi-y0", 0, + "roi-width", sensor_width, + "roi-height", sensor_height, + "transfer-asynchronously", TRUE, + NULL); + + g_object_get(G_OBJECT(camera), + "roi-width", &cbd.roi_width, + "roi-height", &cbd.roi_height, + NULL); + + g_print("Camera: %s\n", name); + g_free(name); + + g_print("Start asynchronous recording\n"); + cbd.counter = 0; + uca_camera_set_grab_func(camera, grab_callback, &cbd); + uca_camera_start_recording(camera, &error); + g_assert_no_error(error); + g_usleep(2 * G_USEC_PER_SEC); + + g_print(" done\n"); + uca_camera_stop_recording(camera, NULL); + g_object_unref(camera); + + return error != NULL ? 1 : 0; +} |