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/*
Copyright (C) 2001 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id$
*/
#ifndef __jack_engine_h__
#define __jack_engine_h__
#include <jack/jack.h>
#include <jack/internal.h>
struct _jack_driver;
struct _jack_client_internal;
struct _jack_port_internal;
struct _jack_engine {
jack_control_t *control;
struct _jack_driver *driver;
int (*process)(struct _jack_engine *, nframes_t frames);
int (*set_buffer_size)(struct _jack_engine *, nframes_t frames);
int (*set_sample_rate)(struct _jack_engine *, nframes_t frames);
int (*process_lock)(struct _jack_engine *);
void (*process_unlock)(struct _jack_engine *);
int (*post_process)(struct _jack_engine *);
pthread_mutex_t client_lock;
pthread_mutex_t buffer_lock;
pthread_mutex_t port_lock;
int process_errors;
int period_msecs;
int port_max;
int control_shm_id;
key_t control_key;
key_t port_segment_key; /* XXX fix me */
void *port_segment_address; /* XXX fix me */
pthread_t main_thread;
pthread_t server_thread;
/* these lists are protected by `buffer_lock' */
GSList *port_segments;
GSList *port_buffer_freelist;
/* these lists are all protected by `client_lock' */
GSList *clients;
GSList *clients_waiting;
GSList *connections;
struct _jack_port_internal *internal_ports;
GSList *port_types; /* holds ptrs to jack_port_type_info_t */
int fds[2];
jack_client_id_t next_client_id;
size_t pfd_size;
size_t pfd_max;
struct pollfd *pfd;
struct _jack_client_internal *timebase_client;
jack_port_buffer_info_t *silent_buffer;
char fifo_prefix[PATH_MAX+1];
int *fifo;
unsigned long fifo_size;
unsigned long external_client_cnt;
int rtpriority;
char verbose;
char asio_mode;
int reordered;
int watchdog_check;
};
/* public functions */
jack_engine_t *jack_engine_new (int real_time, int real_time_priority, int verbose);
int jack_engine_delete (jack_engine_t *);
int jack_run (jack_engine_t *engine);
int jack_wait (jack_engine_t *engine);
int jack_use_driver (jack_engine_t *, struct _jack_driver *);
void jack_set_temp_dir (const char *);
void jack_set_asio_mode (jack_engine_t *, int yn);
void jack_dump_configuration(jack_engine_t *engine, int take_lock);
#endif /* __jack_engine_h__ */
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