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-rw-r--r--tools/benchmark.c272
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diff --git a/tools/benchmark.c b/tools/benchmark.c
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--- a/tools/benchmark.c
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@@ -1,272 +0,0 @@
-/* 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 <string.h>
-#include <stdlib.h>
-#include "uca-camera.h"
-#include "uca-plugin-manager.h"
-
-typedef void (*GrabFrameFunc) (UcaCamera *camera, gpointer buffer, guint n_frames);
-
-static UcaCamera *camera = NULL;
-
-static void
-sigint_handler(int signal)
-{
- g_print ("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);
- }
-}
-
-static void
-log_handler (const gchar *log_domain, GLogLevelFlags log_level, const gchar *message, gpointer user)
-{
- gsize n_written;
- GError *error = NULL;
- GIOChannel *channel = user;
-
-#if GLIB_CHECK_VERSION(2, 26, 0)
- GTimeZone *tz;
- GDateTime *date_time;
- gchar *new_message;
-
- tz = g_time_zone_new_local ();
- date_time = g_date_time_new_now (tz);
-
- new_message = g_strdup_printf ("[%s] %s\n",
- g_date_time_format (date_time, "%FT%H:%M:%S%z"), message);
-
- g_time_zone_unref (tz);
- g_date_time_unref (date_time);
-
- g_io_channel_write_chars (channel, new_message, strlen (new_message), &n_written, &error);
- g_assert_no_error (error);
- g_free (new_message);
-#else
- g_io_channel_write_chars (channel, message, strlen (message), &n_written, &error);
- g_assert_no_error (error);
-#endif
-
- g_io_channel_flush (channel, &error);
- g_assert_no_error (error);
-}
-
-static void
-grab_frames_sync (UcaCamera *camera, gpointer buffer, guint n_frames)
-{
- GError *error = NULL;
-
- uca_camera_start_recording (camera, &error);
-
- for (guint i = 0; i < n_frames; i++) {
- if (!uca_camera_grab (camera, buffer, &error))
- g_warning ("Data stream ended");
-
- if (error != NULL) {
- g_warning ("Error grabbing frame %02i/%i: `%s'", i, n_frames, error->message);
- g_error_free (error);
- error = NULL;
- }
- }
-
- uca_camera_stop_recording (camera, &error);
-}
-
-static void
-grab_callback (gpointer data, gpointer user_data)
-{
- static GStaticMutex mutex = G_STATIC_MUTEX_INIT;
- guint *n_acquired_frames = user_data;
-
- g_static_mutex_lock (&mutex);
- *n_acquired_frames += 1;
- g_static_mutex_unlock (&mutex);
-}
-
-static void
-grab_frames_async (UcaCamera *camera, gpointer buffer, guint n_frames)
-{
- GError *error = NULL;
- guint n_acquired_frames = 0;
-
- uca_camera_set_grab_func (camera, grab_callback, &n_acquired_frames);
- uca_camera_start_recording (camera, &error);
-
- /*
- * Behold! Spinlooping is probably a bad idea but nowadays single core
- * machines are relatively rare.
- */
- while (n_acquired_frames < n_frames)
- ;
-
- uca_camera_stop_recording (camera, &error);
-}
-
-static void
-benchmark_method (UcaCamera *camera, gpointer buffer, GrabFrameFunc func, guint n_runs, guint n_frames, guint n_bytes)
-{
- GTimer *timer;
- gdouble fps;
- gdouble bandwidth;
- gdouble total_time = 0.0;
- GError *error = NULL;
-
- g_print ("%-10i%-10i", n_frames, n_runs);
- timer = g_timer_new ();
- g_assert_no_error (error);
-
- for (guint run = 0; run < n_runs; run++) {
- g_message ("Start run %i of %i", run, n_runs);
- g_timer_start (timer);
-
- func (camera, buffer, n_frames);
-
- g_timer_stop (timer);
- total_time += g_timer_elapsed (timer, NULL);
- }
-
- g_assert_no_error (error);
-
- fps = n_runs * n_frames / total_time;
- bandwidth = n_bytes * fps / 1024 / 1024;
- g_print ("%-16.2f%-16.2f\n", fps, bandwidth);
-
- g_timer_destroy (timer);
-}
-
-static void
-benchmark (UcaCamera *camera)
-{
- const guint n_runs = 3;
- const guint n_frames = 100;
-
- guint sensor_width;
- guint sensor_height;
- guint roi_width;
- guint roi_height;
- guint bits;
- guint n_bytes_per_pixel;
- guint n_bytes;
- gdouble exposure = 0.00001;
- gpointer buffer;
-
- g_object_set (G_OBJECT (camera),
- "exposure-time", exposure,
- NULL);
-
- g_object_get (G_OBJECT (camera),
- "sensor-width", &sensor_width,
- "sensor-height", &sensor_height,
- "sensor-bitdepth", &bits,
- "roi-width", &roi_width,
- "roi-height", &roi_height,
- "exposure-time", &exposure,
- NULL);
-
- g_print ("# --- General information ---\n");
- g_print ("# Sensor size: %ix%i\n", sensor_width, sensor_height);
- g_print ("# ROI size: %ix%i\n", roi_width, roi_height);
- g_print ("# Exposure time: %fs\n", exposure);
- g_print ("# Bits: %i\n", bits);
-
- /* Synchronous frame acquisition */
- g_print ("# %-10s%-10s%-10s%-16s%-16s\n", "type", "n_frames", "n_runs", "frames/s", "MiB/s");
- g_print (" %-10s", "sync");
-
- g_message ("Start synchronous benchmark");
-
- n_bytes_per_pixel = bits > 8 ? 2 : 1;
- n_bytes = roi_width * roi_height * n_bytes_per_pixel;
- buffer = g_malloc0(n_bytes);
-
- benchmark_method (camera, buffer, grab_frames_sync, n_runs, n_frames, n_bytes);
-
- /* Asynchronous frame acquisition */
- g_object_set (G_OBJECT(camera),
- "transfer-asynchronously", TRUE,
- NULL);
-
- g_message ("Start asynchronous benchmark");
- g_print (" %-10s", "async");
-
- benchmark_method (camera, buffer, grab_frames_async, n_runs, n_frames, n_bytes);
-
- g_free (buffer);
-}
-
-int
-main (int argc, char *argv[])
-{
- UcaPluginManager *manager;
- GIOChannel *log_channel;
- GError *error = NULL;
-
- (void) signal (SIGINT, sigint_handler);
- g_type_init();
-
- if (argc < 2) {
- print_usage();
- return 1;
- }
-
- log_channel = g_io_channel_new_file ("error.log", "a+", &error);
- g_assert_no_error (error);
- g_log_set_handler (NULL, G_LOG_LEVEL_MASK, log_handler, log_channel);
-
- manager = uca_plugin_manager_new ();
- camera = uca_plugin_manager_get_camera (manager, argv[1], &error, NULL);
-
- if (camera == NULL) {
- g_error ("Initialization: %s", error->message);
- return 1;
- }
-
- benchmark (camera);
-
- g_object_unref (camera);
- g_io_channel_shutdown (log_channel, TRUE, &error);
- g_assert_no_error (error);
-
- return 0;
-}
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