//============================================================================= // // jackWeakAPI partly based on Julien Pommier (PianoTeq : http://www.pianoteq.com/) code. // // Copyright (C) 2002-2007 Werner Schweer and others // Copyright (C) 2009 Grame // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. // You should have received a copy of the GNU Lesser General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. #include #include #include #include #include #ifndef WIN32 #include #endif #include #include /* dynamically load libjack and forward all registered calls to libjack (similar to what relaytool is trying to do, but more portably..) */ typedef void (*print_function)(const char *); typedef void *(*thread_routine)(void*); static int libjack_is_present = 0; // public symbol, similar to what relaytool does. #ifdef WIN32 static HMODULE libjack_handle = 0; #else static void *libjack_handle = 0; #endif #ifndef WIN32 static void __attribute__((constructor)) tryload_libjack() #else void tryload_libjack() #endif { if (getenv("SKIP_LIBJACK") == 0) { // just in case libjack is causing troubles.. #ifdef __APPLE__ libjack_handle = dlopen("libjack.0.dylib", RTLD_LAZY); if (!libjack_handle) { fprintf(stderr, "dlopen error : %s \n", dlerror()); } libjack_handle = dlopen("/usr/local/lib/libjack.0.dylib", RTLD_LAZY); if (!libjack_handle) { fprintf(stderr, "dlopen error : %s \n", dlerror()); } #elif defined(WIN32) #ifdef _WIN64 libjack_handle = LoadLibrary("libjack64.dll"); #else libjack_handle = LoadLibrary("libjack.dll"); #endif #else libjack_handle = dlopen("libjack.so.0", RTLD_LAZY); #endif } libjack_is_present = (libjack_handle != 0); } void *load_jack_function(const char *fn_name) { void *fn = 0; if (!libjack_handle) { fprintf (stderr, "libjack not found, so do not try to load %s ffs !\n", fn_name); return 0; } #ifdef WIN32 fn = (void*)GetProcAddress(libjack_handle, fn_name); #else fn = dlsym(libjack_handle, fn_name); #endif if (!fn) { #ifdef WIN32 char* lpMsgBuf; FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,NULL,GetLastError(),MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),(LPTSTR) &lpMsgBuf,0,NULL ); fprintf(stderr, "could not GetProcAddress( %s ), %s \n", fn_name, lpMsgBuf); #else fprintf(stderr, "could not dlsym( %s ), %s \n", fn_name, dlerror()); #endif } return fn; } #define DECL_FUNCTION(return_type, fn_name, arguments_types, arguments) \ typedef return_type (*fn_name##_ptr_t)arguments_types; \ return_type fn_name arguments_types { \ static fn_name##_ptr_t fn = 0; \ if (fn == 0) { fn = (fn_name##_ptr_t)load_jack_function(#fn_name); } \ if (fn) return (*fn)arguments; \ else return (return_type)-1; \ } #define DECL_FUNCTION_NULL(return_type, fn_name, arguments_types, arguments) \ typedef return_type (*fn_name##_ptr_t)arguments_types; \ return_type fn_name arguments_types { \ static fn_name##_ptr_t fn = 0; \ if (fn == 0) { fn = (fn_name##_ptr_t)load_jack_function(#fn_name); } \ if (fn) return (*fn)arguments; \ else return (return_type)0; \ } #define DECL_VOID_FUNCTION(fn_name, arguments_types, arguments) \ typedef void (*fn_name##_ptr_t)arguments_types; \ void fn_name arguments_types { \ static fn_name##_ptr_t fn = 0; \ if (fn == 0) { fn = (fn_name##_ptr_t)load_jack_function(#fn_name); } \ if (fn) (*fn)arguments; \ } DECL_VOID_FUNCTION(jack_get_version, (int *major_ptr, int *minor_ptr, int *micro_ptr, int *proto_ptr), (major_ptr, minor_ptr, micro_ptr, proto_ptr)); DECL_FUNCTION_NULL(const char *, jack_get_version_string, (), ()); DECL_FUNCTION_NULL(jack_client_t *, jack_client_open, (const char *client_name, jack_options_t options, jack_status_t *status, ...), (client_name, options, status)); DECL_FUNCTION(int, jack_client_close, (jack_client_t *client), (client)); DECL_FUNCTION_NULL(jack_client_t *, jack_client_new, (const char *client_name), (client_name)); DECL_FUNCTION(int, jack_client_name_size, (), ()); DECL_FUNCTION_NULL(char*, jack_get_client_name, (jack_client_t *client), (client)); DECL_FUNCTION(int, jack_internal_client_new, (const char *client_name, const char *load_name, const char *load_init), (client_name, load_name, load_init)); DECL_VOID_FUNCTION(jack_internal_client_close, (const char *client_name), (client_name)); DECL_FUNCTION(int, jack_is_realtime, (jack_client_t *client), (client)); DECL_VOID_FUNCTION(jack_on_shutdown, (jack_client_t *client, JackShutdownCallback shutdown_callback, void *arg), (client, shutdown_callback, arg)); DECL_VOID_FUNCTION(jack_on_info_shutdown, (jack_client_t* client, JackInfoShutdownCallback shutdown_callback, void* arg), (client, shutdown_callback, arg)); DECL_FUNCTION(int, jack_set_process_callback, (jack_client_t *client, JackProcessCallback process_callback, void *arg), (client, process_callback, arg)); DECL_FUNCTION(jack_nframes_t, jack_thread_wait, (jack_client_t *client, int status), (client, status)); // DECL_FUNCTION(jack_nframes_t, jack_cycle_wait, (jack_client_t *client), (client)); DECL_VOID_FUNCTION(jack_cycle_signal, (jack_client_t *client, int status), (client, status)); DECL_FUNCTION(int, jack_set_process_thread, (jack_client_t *client, JackThreadCallback fun, void *arg), (client, fun, arg)); DECL_FUNCTION(int, jack_set_thread_init_callback, (jack_client_t *client, JackThreadInitCallback thread_init_callback, void *arg), (client, thread_init_callback, arg)); DECL_FUNCTION(int, jack_set_freewheel_callback, (jack_client_t *client, JackFreewheelCallback freewheel_callback, void *arg), (client, freewheel_callback, arg)); DECL_FUNCTION(int, jack_set_freewheel, (jack_client_t *client, int onoff), (client, onoff)); DECL_FUNCTION(int, jack_set_buffer_size, (jack_client_t *client, jack_nframes_t nframes), (client, nframes)); DECL_FUNCTION(int, jack_set_buffer_size_callback, (jack_client_t *client, JackBufferSizeCallback bufsize_callback, void *arg), (client, bufsize_callback, arg)); DECL_FUNCTION(int, jack_set_sample_rate_callback, (jack_client_t *client, JackSampleRateCallback srate_callback, void *arg), (client, srate_callback, arg)); DECL_FUNCTION(int, jack_set_client_registration_callback, (jack_client_t *client, JackClientRegistrationCallback registration_callback, void *arg), (client, registration_callback, arg)); DECL_FUNCTION(int, jack_set_port_registration_callback, (jack_client_t *client, JackPortRegistrationCallback registration_callback, void *arg), (client, registration_callback, arg)); DECL_FUNCTION(int, jack_set_port_connect_callback, (jack_client_t *client, JackPortConnectCallback connect_callback, void *arg), (client, connect_callback, arg)); DECL_FUNCTION(int, jack_set_port_rename_callback, (jack_client_t *client, JackPortRenameCallback rename_callback, void *arg), (client, rename_callback, arg)); DECL_FUNCTION(int, jack_set_graph_order_callback, (jack_client_t *client, JackGraphOrderCallback graph_callback, void *arg), (client, graph_callback, arg)); DECL_FUNCTION(int, jack_set_xrun_callback, (jack_client_t *client, JackXRunCallback xrun_callback, void *arg), (client, xrun_callback, arg)); DECL_FUNCTION(int, jack_set_latency_callback, (jack_client_t *client, JackLatencyCallback latency_callback, void *arg), (client, latency_callback, arg)); DECL_FUNCTION(int, jack_activate, (jack_client_t *client), (client)); DECL_FUNCTION(int, jack_deactivate, (jack_client_t *client), (client)); DECL_FUNCTION_NULL(jack_port_t *, jack_port_register, (jack_client_t *client, const char *port_name, const char *port_type, unsigned long flags, unsigned long buffer_size), (client, port_name, port_type, flags, buffer_size)); DECL_FUNCTION(int, jack_port_unregister, (jack_client_t *client, jack_port_t* port), (client, port)); DECL_FUNCTION_NULL(void *, jack_port_get_buffer, (jack_port_t *port, jack_nframes_t nframes), (port, nframes)); DECL_FUNCTION_NULL(const char*, jack_port_name, (const jack_port_t *port), (port)); DECL_FUNCTION_NULL(const char*, jack_port_short_name, (const jack_port_t *port), (port)); DECL_FUNCTION(int, jack_port_flags, (const jack_port_t *port), (port)); DECL_FUNCTION_NULL(const char*, jack_port_type, (const jack_port_t *port), (port)); DECL_FUNCTION(jack_port_type_id_t, jack_port_type_id, (const jack_port_t *port), (port)); DECL_FUNCTION(int, jack_port_is_mine, (const jack_client_t *client, const jack_port_t* port), (client, port)); DECL_FUNCTION(int, jack_port_connected, (const jack_port_t *port), (port)); DECL_FUNCTION(int, jack_port_connected_to, (const jack_port_t *port, const char *port_name), (port, port_name)); DECL_FUNCTION_NULL(const char**, jack_port_get_connections, (const jack_port_t *port), (port)); DECL_FUNCTION_NULL(const char**, jack_port_get_all_connections, (const jack_client_t *client,const jack_port_t *port), (client, port)); DECL_FUNCTION(int, jack_port_tie, (jack_port_t *src, jack_port_t *dst), (src, dst)); DECL_FUNCTION(int, jack_port_untie, (jack_port_t *port), (port)); DECL_FUNCTION(jack_nframes_t, jack_port_get_latency, (jack_port_t *port), (port)); DECL_FUNCTION(jack_nframes_t, jack_port_get_total_latency ,(jack_client_t * client, jack_port_t *port), (client, port)); DECL_VOID_FUNCTION(jack_port_set_latency, (jack_port_t * port, jack_nframes_t frames), (port, frames)); DECL_FUNCTION(int, jack_recompute_total_latency, (jack_client_t* client, jack_port_t* port), (client, port)); DECL_VOID_FUNCTION(jack_port_get_latency_range, (jack_port_t *port, jack_latency_callback_mode_t mode, jack_latency_range_t *range), (port, mode, range)); DECL_VOID_FUNCTION(jack_port_set_latency_range, (jack_port_t *port, jack_latency_callback_mode_t mode, jack_latency_range_t *range), (port, mode, range)); DECL_FUNCTION(int, jack_recompute_total_latencies, (jack_client_t* client),(client)); DECL_FUNCTION(int, jack_port_set_name, (jack_port_t *port, const char *port_name), (port, port_name)); DECL_FUNCTION(int, jack_port_rename, (jack_client_t *client, jack_port_t *port, const char *port_name), (client, port, port_name)); DECL_FUNCTION(int, jack_port_set_alias, (jack_port_t *port, const char *alias), (port, alias)); DECL_FUNCTION(int, jack_port_unset_alias, (jack_port_t *port, const char *alias), (port, alias)); DECL_FUNCTION(int, jack_port_get_aliases, (const jack_port_t *port, char* const aliases[2]), (port,aliases)); DECL_FUNCTION(int, jack_port_request_monitor, (jack_port_t *port, int onoff), (port, onoff)); DECL_FUNCTION(int, jack_port_request_monitor_by_name, (jack_client_t *client, const char *port_name, int onoff), (client, port_name, onoff)); DECL_FUNCTION(int, jack_port_ensure_monitor, (jack_port_t *port, int onoff), (port, onoff)); DECL_FUNCTION(int, jack_port_monitoring_input, (jack_port_t *port) ,(port)); DECL_FUNCTION(int, jack_connect, (jack_client_t * client, const char *source_port, const char *destination_port), (client, source_port, destination_port)); DECL_FUNCTION(int, jack_disconnect, (jack_client_t * client, const char *source_port, const char *destination_port), (client, source_port, destination_port)); DECL_FUNCTION(int, jack_port_disconnect, (jack_client_t * client, jack_port_t * port), (client, port)); DECL_FUNCTION(int, jack_port_name_size,(),()); DECL_FUNCTION(int, jack_port_type_size,(),()); DECL_FUNCTION(size_t, jack_port_type_get_buffer_size, (jack_client_t *client, const char* port_type), (client, port_type)); DECL_FUNCTION(jack_nframes_t, jack_get_sample_rate, (jack_client_t *client), (client)); DECL_FUNCTION(jack_nframes_t, jack_get_buffer_size, (jack_client_t *client), (client)); DECL_FUNCTION_NULL(const char**, jack_get_ports, (jack_client_t *client, const char *port_name_pattern, const char * type_name_pattern, unsigned long flags), (client, port_name_pattern, type_name_pattern, flags)); DECL_FUNCTION_NULL(jack_port_t *, jack_port_by_name, (jack_client_t * client, const char *port_name), (client, port_name)); DECL_FUNCTION_NULL(jack_port_t *, jack_port_by_id, (jack_client_t *client, jack_port_id_t port_id), (client, port_id)); DECL_FUNCTION(int, jack_engine_takeover_timebase, (jack_client_t * client), (client)); DECL_FUNCTION(jack_nframes_t, jack_frames_since_cycle_start, (const jack_client_t * client), (client)); DECL_FUNCTION(jack_time_t, jack_get_time, (), ()); DECL_FUNCTION(jack_nframes_t, jack_time_to_frames, (const jack_client_t *client, jack_time_t time), (client, time)); DECL_FUNCTION(jack_time_t, jack_frames_to_time, (const jack_client_t *client, jack_nframes_t frames), (client, frames)); DECL_FUNCTION(jack_nframes_t, jack_frame_time, (const jack_client_t *client), (client)); DECL_FUNCTION(jack_nframes_t, jack_last_frame_time, (const jack_client_t *client), (client)); DECL_FUNCTION(float, jack_cpu_load, (jack_client_t *client), (client)); DECL_FUNCTION_NULL(jack_native_thread_t, jack_client_thread_id, (jack_client_t *client), (client)); DECL_VOID_FUNCTION(jack_set_error_function, (print_function fun), (fun)); DECL_VOID_FUNCTION(jack_set_info_function, (print_function fun), (fun)); DECL_FUNCTION(float, jack_get_max_delayed_usecs, (jack_client_t *client), (client)); DECL_FUNCTION(float, jack_get_xrun_delayed_usecs, (jack_client_t *client), (client)); DECL_VOID_FUNCTION(jack_reset_max_delayed_usecs, (jack_client_t *client), (client)); DECL_FUNCTION(int, jack_release_timebase, (jack_client_t *client), (client)); DECL_FUNCTION(int, jack_set_sync_callback, (jack_client_t *client, JackSyncCallback sync_callback, void *arg), (client, sync_callback, arg)); DECL_FUNCTION(int, jack_set_sync_timeout, (jack_client_t *client, jack_time_t timeout), (client, timeout)); DECL_FUNCTION(int, jack_set_timebase_callback, (jack_client_t *client, int conditional, JackTimebaseCallback timebase_callback, void *arg), (client, conditional, timebase_callback, arg)); DECL_FUNCTION(int, jack_transport_locate, (jack_client_t *client, jack_nframes_t frame), (client, frame)); DECL_FUNCTION(jack_transport_state_t, jack_transport_query, (const jack_client_t *client, jack_position_t *pos), (client, pos)); DECL_FUNCTION(jack_nframes_t, jack_get_current_transport_frame, (const jack_client_t *client), (client)); DECL_FUNCTION(int, jack_transport_reposition, (jack_client_t *client, const jack_position_t *pos), (client, pos)); DECL_VOID_FUNCTION(jack_transport_start, (jack_client_t *client), (client)); DECL_VOID_FUNCTION(jack_transport_stop, (jack_client_t *client), (client)); DECL_VOID_FUNCTION(jack_get_transport_info, (jack_client_t *client, jack_transport_info_t *tinfo), (client,tinfo)); DECL_VOID_FUNCTION(jack_set_transport_info, (jack_client_t *client, jack_transport_info_t *tinfo), (client,tinfo)); DECL_FUNCTION(int, jack_client_real_time_priority, (jack_client_t* client), (client)); DECL_FUNCTION(int, jack_client_max_real_time_priority, (jack_client_t* client), (client)); DECL_FUNCTION(int, jack_acquire_real_time_scheduling, (jack_native_thread_t thread, int priority), (thread, priority)); DECL_FUNCTION(int, jack_client_create_thread, (jack_client_t* client, jack_native_thread_t *thread, int priority, int realtime, // boolean thread_routine routine, void *arg), (client, thread, priority, realtime, routine, arg)); DECL_FUNCTION(int, jack_drop_real_time_scheduling, (jack_native_thread_t thread), (thread)); DECL_FUNCTION(int, jack_client_stop_thread, (jack_client_t* client, jack_native_thread_t thread), (client, thread)); DECL_FUNCTION(int, jack_client_kill_thread, (jack_client_t* client, jack_native_thread_t thread), (client, thread)); #ifndef WIN32 DECL_VOID_FUNCTION(jack_set_thread_creator, (jack_thread_creator_t jtc), (jtc)); #endif DECL_FUNCTION(char *, jack_get_internal_client_name, (jack_client_t *client, jack_intclient_t intclient), (client, intclient)); DECL_FUNCTION(jack_intclient_t, jack_internal_client_handle, (jack_client_t *client, const char *client_name, jack_status_t *status), (client, client_name, status)); /* DECL_FUNCTION(jack_intclient_t, jack_internal_client_load, (jack_client_t *client, const char *client_name, jack_options_t options, jack_status_t *status , ...), (client, client_name, options, status, ...)); */ DECL_FUNCTION(jack_status_t, jack_internal_client_unload, (jack_client_t *client, jack_intclient_t intclient), (client, intclient)); DECL_VOID_FUNCTION(jack_free, (void* ptr), (ptr)); // session DECL_FUNCTION(int, jack_set_session_callback, (jack_client_t* ext_client, JackSessionCallback session_callback, void* arg), (ext_client, session_callback, arg)); DECL_FUNCTION(jack_session_command_t*, jack_session_notify, (jack_client_t* ext_client, const char* target, jack_session_event_type_t ev_type, const char* path), (ext_client, target, ev_type, path)); DECL_FUNCTION(int, jack_session_reply, (jack_client_t* ext_client, jack_session_event_t *event), (ext_client, event)); DECL_VOID_FUNCTION(jack_session_event_free, (jack_session_event_t* ev), (ev)); DECL_FUNCTION(char*, jack_client_get_uuid, (jack_client_t* ext_client),(ext_client)); DECL_FUNCTION(char*, jack_get_uuid_for_client_name, (jack_client_t* ext_client, const char* client_name),(ext_client, client_name)); DECL_FUNCTION(char*, jack_get_client_name_by_uuid, (jack_client_t* ext_client, const char* client_uuid),(ext_client, client_uuid)); DECL_FUNCTION(int, jack_reserve_client_name, (jack_client_t* ext_client, const char* name, const char* uuid),(ext_client, name, uuid)); DECL_VOID_FUNCTION(jack_session_commands_free, (jack_session_command_t *cmds),(cmds)); DECL_FUNCTION(int, jack_client_has_session_callback, (jack_client_t *client, const char* client_name),(client, client_name)); // MIDI DECL_FUNCTION(jack_nframes_t, jack_midi_get_event_count, (void* port_buffer), (port_buffer)); DECL_FUNCTION(int, jack_midi_event_get, (jack_midi_event_t* event, void* port_buffer, jack_nframes_t event_index), (event, port_buffer, event_index)) ; DECL_VOID_FUNCTION(jack_midi_clear_buffer, (void* port_buffer), (port_buffer)); DECL_FUNCTION(size_t, jack_midi_max_event_size, (void* port_buffer), (port_buffer)); DECL_FUNCTION_NULL(jack_midi_data_t*, jack_midi_event_reserve, (void* port_buffer, jack_nframes_t time, size_t data_size), (port_buffer, time, data_size)); DECL_FUNCTION(int, jack_midi_event_write, (void* port_buffer, jack_nframes_t time, const jack_midi_data_t* data, size_t data_size), (port_buffer, time, data, data_size)); DECL_FUNCTION(jack_nframes_t, jack_midi_get_lost_event_count, (void* port_buffer), (port_buffer));