libjack/local.h

   1 #ifndef __jack_libjack_local_h__
   2 #define __jack_libjack_local_h__
   3
   4 /* Client data structure, in the client address space. */
   5 struct _jack_client {
   6
   7     jack_control_t        *engine;
   8     jack_client_control_t *control;
   9     jack_shm_info_t        engine_shm;
  10     jack_shm_info_t        control_shm;
  11
  12     struct pollfd*  pollfd;
  13     int             pollmax;
  14     int             graph_next_fd;
  15     int             request_fd;
  16     int             upstream_is_jackd;
  17
  18     /* these two are copied from the engine when the
  19      * client is created.
  20     */
  21
  22     jack_port_type_id_t n_port_types;
  23     jack_shm_info_t*    port_segment;
  24
  25     JSList *ports;
  26     JSList *ports_ext;
  27
  28     pthread_t thread;
  29     char fifo_prefix[PATH_MAX+1];
  30     void (*on_shutdown)(void *arg);
  31     void *on_shutdown_arg;
  32     char thread_ok : 1;
  33     char first_active : 1;
  34     pthread_t thread_id;
  35     char name[JACK_CLIENT_NAME_SIZE];
  36
  37 #ifdef JACK_USE_MACH_THREADS
  38     /* specific ressources for server/client real-time thread communication */
  39     mach_port_t clienttask, bp, serverport, replyport;
  40     trivial_message  message;
  41     pthread_t process_thread;
  42     char rt_thread_ok : 1;
  43 #endif
  44
  45     /* callbacks
  46      */
  47     JackProcessCallback process;
  48     void *process_arg;
  49     JackThreadInitCallback thread_init;
  50     void *thread_init_arg;
  51     JackBufferSizeCallback bufsize;
  52     void *bufsize_arg;
  53     JackSampleRateCallback srate;
  54     void *srate_arg;
  55     JackPortRegistrationCallback port_register;
  56     void *port_register_arg;
  57     JackPortConnectCallback port_connect;
  58     void *port_connect_arg;
  59     JackGraphOrderCallback graph_order;
  60     void *graph_order_arg;
  61     JackXRunCallback xrun;
  62     void *xrun_arg;
  63     JackSyncCallback sync_cb;
  64     void *sync_arg;
  65     JackTimebaseCallback timebase_cb;
  66     void *timebase_arg;
  67     JackFreewheelCallback freewheel_cb;
  68     void *freewheel_arg;
  69     JackClientRegistrationCallback client_register;
  70     void *client_register_arg;
  71         JackThreadCallback thread_cb;
  72     void *thread_cb_arg;
  73
  74     /* external clients: set by libjack
  75      * internal clients: set by engine */
  76     int (*deliver_request)(void*, jack_request_t*); /* JOQ: 64/32 bug! */
  77     void *deliver_arg;
  78
  79 };
  80
  81 extern int jack_client_deliver_request (const jack_client_t *client,
  82                                         jack_request_t *req);
  83 extern jack_port_t *jack_port_new (const jack_client_t *client,
  84                                    jack_port_id_t port_id,
  85                                    jack_control_t *control);
  86
  87 extern void *jack_zero_filled_buffer;
  88
  89 extern void jack_set_clock_source (jack_timer_type_t);
  90
  91 #endif /* __jack_libjack_local_h__ */