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-rw-r--r--test/perf-overhead.c122
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;
}