gboolean _camera_initialize(const dt_camctl_t *c, dt_camera_t *cam) { dt_camctl_t *camctl=(dt_camctl_t *)c; CameraAbilities a; GPPortInfo pi; if( cam->gpcam==NULL ) { gp_camera_new(&cam->gpcam); int m = gp_abilities_list_lookup_model( c->gpcams, cam->model ); gp_abilities_list_get_abilities (c->gpcams, m, &a); gp_camera_set_abilities (cam->gpcam, a); int p = gp_port_info_list_lookup_path (c->gpports, cam->port); gp_port_info_list_get_info (c->gpports, p, &pi); gp_camera_set_port_info (cam->gpcam , pi); // Check for abilities if( (a.operations&GP_OPERATION_CAPTURE_IMAGE) ) cam->can_tether=TRUE; if( (a.operations&GP_OPERATION_CAPTURE_PREVIEW) ) cam->can_live_view=TRUE; if( cam->can_tether && (a.operations&GP_OPERATION_CONFIG) ) cam->can_config=TRUE; if( !(a.file_operations&GP_FILE_OPERATION_NONE) ) cam->can_import=TRUE; if( gp_camera_init( cam->gpcam , camctl->gpcontext) != GP_OK ) { dt_print(DT_DEBUG_CAMCTL,"[camera_control] failed to initialize camera %s on port %s\n", cam->model,cam->port); return FALSE; } // read a full copy of config to configuration cache gp_camera_get_config( cam->gpcam, &cam->configuration, c->gpcontext ); // TODO: find a more robust way for this, once we find out how to do it with non-EOS cameras if(cam->can_live_view && dt_camctl_camera_property_exists(camctl, cam, "eoszoomposition")) cam->can_live_view_advanced = TRUE; // initialize timeout callbacks eg. keep alive, some cameras needs it. cam->gpcontext = camctl->gpcontext; gp_camera_set_timeout_funcs(cam->gpcam, (CameraTimeoutStartFunc)_camera_start_timeout_func, (CameraTimeoutStopFunc)_camera_stop_timeout_func, cam); dt_pthread_mutex_init(&cam->jobqueue_lock, NULL); dt_print(DT_DEBUG_CAMCTL,"[camera_control] device %s on port %s initialized\n", cam->model,cam->port); } else dt_print(DT_DEBUG_CAMCTL,"[camera_control] device %s on port %s already initialized\n", cam->model,cam->port); return TRUE; }
static GtkamCamera * gtkam_chooser_get_camera (GtkamChooser *chooser) { GtkWidget *dialog, *status; GPPortInfo info; Camera *camera; CameraAbilities abilities; const gchar *model, *port, *speed; gchar *port_path, *right, *tmp; int m, p, r; gboolean multi; GtkamCamera *c; model = gtk_entry_get_text (chooser->priv->entry_model); port = gtk_entry_get_text (chooser->priv->entry_port); speed = gtk_entry_get_text (chooser->priv->entry_speed); multi = GTK_TOGGLE_BUTTON (chooser->priv->check_multi)->active; if (!port || !*port) port_path = g_strdup (_("None")); else { port_path = g_strdup (port); right = strrchr (port_path, ')'); *right = '\0'; tmp = g_strdup (strrchr (port_path, '(') + 1); g_free (port_path); port_path = tmp; } gp_camera_new (&camera); #ifdef HAVE_GP_CAMERA_SET_TIMEOUT_FUNCS gp_camera_set_timeout_funcs (camera, start_timeout_func, stop_timeout_func, NULL); #endif /* Model? */ m = gp_abilities_list_lookup_model (chooser->priv->al, model); gp_abilities_list_get_abilities (chooser->priv->al, m, &abilities); gp_camera_set_abilities (camera, abilities); /* Port? */ if (strcmp (port_path, _("None"))) { p = gp_port_info_list_lookup_path (chooser->priv->il, port_path); gp_port_info_list_get_info (chooser->priv->il, p, &info); gp_camera_set_port_info (camera, info); } /* Speed? */ if (strcmp (speed, _("Best"))) gp_camera_set_port_speed (camera, atoi (speed)); /* * Initialize the camera to check if it is really there. Exit * afterwards because other applications could need the camera, too. */ status = gtkam_status_new (_("Initializing camera...")); gtkam_dialog_add_status (GTKAM_DIALOG (chooser), status); r = gp_camera_init (camera, GTKAM_STATUS (status)->context->context); if (multi) gp_camera_exit (camera, NULL); switch (r) { case GP_OK: break; case GP_ERROR_CANCEL: g_free (port_path); break; default: g_free (port_path); dialog = gtkam_error_new (r, GTKAM_STATUS (status)->context, NULL, _("Could not initialize camera.")); gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (chooser)); gtk_widget_show (dialog); gp_camera_unref (camera); camera = NULL; } gtk_object_destroy (GTK_OBJECT (status)); c = gtkam_camera_new (camera, multi); gp_camera_unref (camera); return (c); }