jack server example

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <jack/jack.h>
#include <jack/control.h>
#include <jack/jslist.h>

int
main ()
{
	const JSList *drivers;
	jackctl_server_t *server;
	jackctl_driver_t *driver;
	jackctl_driver_t *alsa_driver;

	server = jackctl_server_create (NULL, NULL);
	drivers = jackctl_server_get_drivers_list (server);

	while (drivers != NULL)
	{
		if (drivers -> next != NULL)
		{
			const JSList *parameters;

			driver = drivers -> data;
			parameters = jackctl_driver_get_parameters (driver);

			if ((strcmp (jackctl_driver_get_name (driver), "alsa")) == 0)
			{
				alsa_driver = drivers -> data;
			}

			printf ("\nDriver: %s\n", jackctl_driver_get_name (driver));

			while (parameters != NULL)
			{
				if (parameters -> next != NULL)
				{
					union jackctl_parameter_value param_value;
					jackctl_param_type_t type;
					jackctl_parameter_t *param;

					param = parameters -> data;
					param_value = jackctl_parameter_get_value (param);
					type = jackctl_parameter_get_type (param);

					if (type == JackParamString)
					{
						printf ("- %s: %s\n\n", jackctl_parameter_get_name (param), param_value.str);
					}
					if (type == JackParamInt)
					{
						printf ("- %s: %d\n\n", jackctl_parameter_get_name (param), param_value.i);
					}
					if (type == JackParamUInt)
					{
						printf ("- %s: %d\n\n", jackctl_parameter_get_name (param), param_value.ui);
					}
					if (type == JackParamChar)
					{
						printf ("- %s: %d\n\n", jackctl_parameter_get_name (param), param_value.c);
					}
					parameters = parameters -> next;
				}
				else
				{
					break;
				}
			}

			drivers = drivers -> next;
		}
		else
		{
			break;
		}
	}

	jackctl_server_start (server, alsa_driver);

	return 0;
}