libs/backends/jack/weak_libjack.h

   1 /* runtime/weak dynamic JACK linking
   2  *
   3  * (C) 2014 Robin Gareus <robin@gareus.org>
   4  *
   5  * The wrapped jack API itself is
   6  * (C) 2001 Paul Davis
   7  * (C) 2004 Jack O'Quin
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2, or (at your option)
  12  * any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software Foundation,
  21  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  */
  23 #ifndef _WEAK_JACK_H
  24 #define _WEAK_JACK_H
  25
  26 #ifdef __cplusplus
  27 extern "C"
  28 {
  29 #endif
  30
  31 /** check if libjack is available
  32  *
  33  * return 0 if libjack is dynamically linked of was
  34  * successfully dl-opened. Otherwise:
  35  *
  36  * -1: library was not initialized
  37  * -2: libjack was not found
  38  *  > 0 bitwise flags:
  39  *      1: a required function was not found in libjack
  40  *      2: jack_client_open was not found in libjack
  41  */
  42 int have_libjack(void);
  43
  44 #ifdef __cplusplus
  45 }
  46 #endif
  47
  48 #ifdef USE_WEAK_JACK
  49
  50 /* <jack/jack.h> */
  51 #define jack_client_close                   WJACK_client_close
  52 #define jack_get_client_name                WJACK_get_client_name
  53 #define jack_get_sample_rate                WJACK_get_sample_rate
  54 #define jack_get_buffer_size                WJACK_get_buffer_size
  55 #define jack_frames_since_cycle_start       WJACK_frames_since_cycle_start
  56 #define jack_frame_time                     WJACK_frame_time
  57 #define jack_last_frame_time                WJACK_last_frame_time
  58 #define jack_get_time                       WJACK_get_time
  59 #define jack_cpu_load                       WJACK_cpu_load
  60 #define jack_is_realtime                    WJACK_is_realtime
  61
  62 #define jack_set_freewheel                  WJACK_set_freewheel
  63 #define jack_set_buffer_size                WJACK_set_buffer_size
  64
  65 #define jack_on_shutdown                    WJACK_on_shutdown
  66 #define jack_on_info_shutdown               WJACK_on_info_shutdown
  67 #define jack_set_process_callback           WJACK_set_process_callback
  68 #define jack_set_freewheel_callback         WJACK_set_freewheel_callback
  69 #define jack_set_buffer_size_callback       WJACK_set_buffer_size_callback
  70 #define jack_set_sample_rate_callback       WJACK_set_sample_rate_callback
  71 #define jack_set_port_registration_callback WJACK_set_port_registration_callback
  72 #define jack_set_port_connect_callback      WJACK_set_port_connect_callback
  73 #define jack_set_graph_order_callback       WJACK_set_graph_order_callback
  74 #define jack_set_xrun_callback              WJACK_set_xrun_callback
  75 #define jack_set_latency_callback           WJACK_set_latency_callback
  76 #define jack_set_error_function             WJACK_set_error_function
  77
  78 #define jack_activate                       WJACK_activate
  79 #define jack_deactivate                     WJACK_deactivate
  80
  81 #define jack_recompute_total_latencies      WJACK_recompute_total_latencies
  82 #define jack_port_get_total_latency         WJACK_port_get_total_latency
  83 #define jack_port_get_latency_range         WJACK_port_get_latency_range
  84 #define jack_port_set_latency_range         WJACK_port_set_latency_range
  85 #define jack_port_get_buffer                WJACK_port_get_buffer
  86 #define jack_port_request_monitor           WJACK_port_request_monitor
  87 #define jack_port_ensure_monitor            WJACK_port_ensure_monitor
  88 #define jack_port_monitoring_input          WJACK_port_monitoring_input
  89
  90 #define jack_port_name                      WJACK_port_name
  91 #define jack_port_short_name                WJACK_port_short_name
  92 #define jack_port_flags                     WJACK_port_flags
  93 #define jack_port_is_mine                   WJACK_port_is_mine
  94 #define jack_get_ports                      WJACK_get_ports
  95 #define jack_port_name_size                 WJACK_port_name_size
  96 #define jack_port_type_size                 WJACK_port_type_size
  97 #define jack_port_type_get_buffer_size      WJACK_port_type_get_buffer_size
  98 #define jack_port_by_name                   WJACK_port_by_name
  99 #define jack_port_by_id                     WJACK_port_by_id
 100 #define jack_port_set_name                  WJACK_port_set_name
 101 #define jack_port_get_aliases               WJACK_port_get_aliases
 102 #define jack_port_rename                    WJACK_port_rename
 103 #define jack_port_disconnect                WJACK_port_disconnect
 104 #define jack_port_register                  WJACK_port_register
 105 #define jack_port_unregister                WJACK_port_unregister
 106 #define jack_port_type                      WJACK_port_type
 107 #define jack_port_get_connections           WJACK_port_get_connections
 108 #define jack_port_get_all_connections       WJACK_port_get_all_connections
 109 #define jack_connect                        WJACK_connect
 110 #define jack_disconnect                     WJACK_disconnect
 111 #define jack_free                           WJACK_free
 112
 113 #define jack_cycle_wait                     WJACK_cycle_wait
 114 #define jack_cycle_signal                   WJACK_cycle_signal
 115 #define jack_set_process_thread             WJACK_set_process_thread
 116 #define jack_set_thread_init_callback       WJACK_set_thread_init_callback
 117
 118 /* <jack/transport.h> */
 119 #define jack_get_current_transport_frame    WJACK_get_current_transport_frame
 120 #define jack_transport_locate               WJACK_transport_locate
 121 #define jack_transport_start                WJACK_transport_start
 122 #define jack_transport_stop                 WJACK_transport_stop
 123 #define jack_transport_query                WJACK_transport_query
 124 #define jack_set_sync_callback              WJACK_set_sync_callback
 125 #define jack_set_timebase_callback          WJACK_set_timebase_callback
 126 #define jack_release_timebase               WJACK_release_timebase
 127
 128 /* <jack/midiport.h> */
 129 #define jack_midi_get_event_count           WJACK_midi_get_event_count
 130 #define jack_midi_event_get                 WJACK_midi_event_get
 131 #define jack_midi_event_write               WJACK_midi_event_write
 132 #define jack_midi_clear_buffer              WJACK_midi_clear_buffer
 133
 134 /* <jack/session.h> */
 135 #define jack_set_session_callback           WJACK_set_session_callback
 136 #define jack_session_reply                  WJACK_session_reply
 137 #define jack_session_event_free             WJACK_session_event_free
 138
 139 /* <jack/ringbuffer.h> */
 140 #define jack_ringbuffer_create              WJACK_ringbuffer_create
 141 #define jack_ringbuffer_free                WJACK_ringbuffer_free
 142 #define jack_ringbuffer_reset               WJACK_ringbuffer_reset
 143 #define jack_ringbuffer_read_advance        WJACK_ringbuffer_read_advance
 144 #define jack_ringbuffer_write_advance       WJACK_ringbuffer_write_advance
 145 #define jack_ringbuffer_read_space          WJACK_ringbuffer_read_space
 146 #define jack_ringbuffer_write_space         WJACK_ringbuffer_write_space
 147 #define jack_ringbuffer_read                WJACK_ringbuffer_read
 148 #define jack_ringbuffer_write               WJACK_ringbuffer_write
 149 #define jack_ringbuffer_mlock               WJACK_ringbuffer_mlock
 150
 151 /* <jack/thread.h> */
 152 #define jack_client_real_time_priority      WJACK_client_real_time_priority
 153 #define jack_client_max_real_time_priority  WJACK_client_max_real_time_priority
 154 #define jack_acquire_real_time_scheduling   WJACK_acquire_real_time_scheduling
 155 #define jack_client_create_thread           WJACK_client_create_thread
 156 #define jack_drop_real_time_scheduling      WJACK_drop_real_time_scheduling
 157 #define jack_client_stop_thread             WJACK_client_stop_thread
 158 #define jack_client_kill_thread             WJACK_client_kill_thread
 159 #define jack_set_thread_creator             WJACK_set_thread_creator
 160
 161 #define jack_client_open                    WJACK_client_client_openXXX
 162
 163 #ifdef HAVE_JACK_METADATA
 164 /* <jack/metadata.h> */
 165 #define jack_get_uuid_for_client_name       WJACK_get_uuid_for_client_name
 166 #define jack_get_client_name_by_uuid        WJACK_get_client_name_by_uuid
 167 #define jack_port_uuid                      WJACK_port_uuid
 168
 169 #define jack_set_property                   WJACK_set_property
 170 #define jack_get_property                   WJACK_get_property
 171 #define jack_free_description               WJACK_free_description
 172 #define jack_get_properties                 WJACK_get_properties
 173 #define jack_get_all_properties             WJACK_get_all_properties
 174 #define jack_remove_property                WJACK_remove_property
 175 #define jack_remove_properties              WJACK_remove_properties
 176 #define jack_remove_all_properties          WJACK_remove_all_properties
 177 #define jack_set_property_change_callback   WJACK_set_property_change_callback
 178 #endif
 179
 180 /* <jack/statistics.h> */
 181 #define jack_get_max_delayed_usecs WJACK_get_max_delayed_usecs
 182 #define jack_get_xrun_delayed_usecs WJACK_get_xrun_delayed_usecs
 183 #define jack_reset_max_delayed_usecs WJACK_reset_max_delayed_usecs
 184
 185 #endif // end USE_WEAK_JACK
 186
 187 #include <jack/jack.h>
 188 #include <jack/transport.h>
 189 #include <jack/ringbuffer.h>
 190 #include <jack/midiport.h>
 191 #include <jack/session.h>
 192 #include <jack/thread.h>
 193
 194 #ifdef HAVE_JACK_METADATA
 195 #include <jack/metadata.h>
 196 #endif
 197
 198 // prototype for function which is not available in older jack headers
 199 #ifdef __cplusplus
 200 extern "C" {
 201 #endif
 202         int jack_port_rename (jack_client_t* client, jack_port_t *port, const char *port_name);
 203 #ifdef __cplusplus
 204 }
 205 #endif
 206
 207 #ifdef USE_WEAK_JACK
 208
 209 #undef jack_client_open
 210
 211 /* var-args hack */
 212
 213 #ifdef __cplusplus
 214 extern "C" {
 215 #endif
 216 void (* WJACK_get_client_open (void)) (void);
 217 jack_client_t * WJACK_no_client_open (const char *client_name, jack_options_t options, jack_status_t *status, ...);
 218 #ifdef __cplusplus
 219 }
 220 #endif
 221
 222 #define jack_client_open(...) \
 223 ( \
 224         (WJACK_get_client_open() != NULL) \
 225         ?  ((jack_client_t* (*)(const char *, jack_options_t, jack_status_t *, ...))(WJACK_get_client_open()))(__VA_ARGS__) \
 226         : WJACK_no_client_open(__VA_ARGS__) \
 227 )
 228
 229 #endif // end USE_WEAK_JACK
 230
 231 #endif // _WEAK_JACK_H