diff options
Diffstat (limited to 'test/perf-overhead.c')
| -rw-r--r-- | test/perf-overhead.c | 122 |
1 files changed, 80 insertions, 42 deletions
diff --git a/test/perf-overhead.c b/test/perf-overhead.c index 20ca6c3..f8bdcbd 100644 --- a/test/perf-overhead.c +++ b/test/perf-overhead.c @@ -20,6 +20,7 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> +#include "uca-plugin-manager.h" #include "uca-camera.h" #define handle_error(errno) {if ((errno) != UCA_NO_ERROR) printf("error at <%s:%i>\n", \ @@ -33,19 +34,45 @@ typedef struct { static UcaCamera *camera = NULL; -static void sigint_handler(int signal) +static void +sigint_handler (int signal) { - printf("Closing down libuca\n"); - uca_camera_stop_recording(camera, NULL); - g_object_unref(camera); - exit(signal); + printf ("Closing down libuca\n"); + uca_camera_stop_recording (camera, NULL); + g_object_unref (camera); + exit (signal); } -static void test_synchronous_operation(UcaCamera *camera) +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); + } +} + +static void +test_synchronous_operation (UcaCamera *camera) { GError *error = NULL; guint width, height, bits; - g_object_get(G_OBJECT(camera), + g_object_get (G_OBJECT (camera), "sensor-width", &width, "sensor-height", &height, "sensor-bitdepth", &bits, @@ -56,41 +83,43 @@ static void test_synchronous_operation(UcaCamera *camera) const guint n_trials = 10000; gpointer buffer = g_malloc0(size); - uca_camera_start_recording(camera, &error); - GTimer *timer = g_timer_new(); + uca_camera_start_recording (camera, &error); + GTimer *timer = g_timer_new (); for (guint n = 0; n < n_trials; n++) - uca_camera_grab(camera, &buffer, &error); + uca_camera_grab (camera, &buffer, &error); - gdouble total_time = g_timer_elapsed(timer, NULL); - g_timer_stop(timer); + gdouble total_time = g_timer_elapsed (timer, NULL); + g_timer_stop (timer); - g_print("Synchronous data transfer\n"); - g_print(" Bandwidth: %3.2f MB/s\n", size * n_trials / 1024. / 1024. / total_time); - g_print(" Throughput: %3.2f frames/s\n", n_trials / total_time); + g_print ("Synchronous data transfer\n"); + g_print (" Bandwidth: %3.2f MB/s\n", size * n_trials / 1024. / 1024. / total_time); + g_print (" Throughput: %3.2f frames/s\n", n_trials / total_time); - uca_camera_stop_recording(camera, &error); - g_free(buffer); - g_timer_destroy(timer); + uca_camera_stop_recording (camera, &error); + g_free (buffer); + g_timer_destroy (timer); } -static void grab_func(gpointer data, gpointer user_data) +static void +grab_func (gpointer data, gpointer user_data) { static GStaticMutex mutex = G_STATIC_MUTEX_INIT; thread_data *d = (thread_data *) user_data; - g_memmove(d->destination, data, d->size); - g_static_mutex_lock(&mutex); + g_memmove (d->destination, data, d->size); + g_static_mutex_lock (&mutex); d->counter++; - g_static_mutex_unlock(&mutex); + g_static_mutex_unlock (&mutex); } -static void test_asynchronous_operation(UcaCamera *camera) +static void +test_asynchronous_operation (UcaCamera *camera) { GError *error = NULL; guint width, height, bits; - g_object_get(G_OBJECT(camera), + g_object_get (G_OBJECT (camera), "sensor-width", &width, "sensor-height", &height, "sensor-bitdepth", &bits, @@ -104,40 +133,49 @@ static void test_asynchronous_operation(UcaCamera *camera) .destination = g_malloc0(width * height * pixel_size) }; - g_object_set(G_OBJECT(camera), + g_object_set (G_OBJECT (camera), "transfer-asynchronously", TRUE, NULL); - uca_camera_set_grab_func(camera, &grab_func, &d); - uca_camera_start_recording(camera, &error); - g_usleep(G_USEC_PER_SEC); - uca_camera_stop_recording(camera, &error); + uca_camera_set_grab_func (camera, &grab_func, &d); + uca_camera_start_recording (camera, &error); + g_usleep (G_USEC_PER_SEC); + uca_camera_stop_recording (camera, &error); - g_print("Asynchronous data transfer\n"); - g_print(" Bandwidth: %3.2f MB/s\n", d.size * d.counter / 1024. / 1024.); - g_print(" Throughput: %i frames/s\n", d.counter); + g_print ("Asynchronous data transfer\n"); + g_print (" Bandwidth: %3.2f MB/s\n", d.size * d.counter / 1024. / 1024.); + g_print (" Throughput: %i frames/s\n", d.counter); - g_free(d.destination); + g_free (d.destination); } -int main(int argc, char *argv[]) +int +main (int argc, char *argv[]) { + UcaPluginManager *manager; GError *error = NULL; - (void) signal(SIGINT, sigint_handler); + (void) signal (SIGINT, sigint_handler); + + g_type_init (); + if (argc < 2) { + print_usage (); + return 1; + } - g_type_init(); - camera = uca_camera_new("mock", &error); + manager = uca_plugin_manager_new (); + camera = uca_plugin_manager_new_camera (manager, argv[1], &error); if (camera == NULL) { - g_print("Couldn't initialize camera\n"); + g_print ("Error during initialization: %s\n", error->message); return 1; } - test_synchronous_operation(camera); - g_print("\n"); - test_asynchronous_operation(camera); + test_synchronous_operation (camera); + g_print ("\n"); + test_asynchronous_operation (camera); - g_object_unref(camera); + g_object_unref (camera); + g_object_unref (manager); return error != NULL ? 1 : 0; } |