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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-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);
}
int main(int argc, char *argv[])
{
CallbackData cbd;
guint sensor_width, sensor_height;
gchar *name;
GError *error = NULL;
(void) signal(SIGINT, sigint_handler);
g_type_init();
camera = uca_camera_new("pco", &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;
}
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