/** * Create a new midi router. The default rules will pass all events unmodified. * @param settings Settings used to configure MIDI router * @param handler MIDI event callback. * @param event_handler_data Caller defined data pointer which gets passed to 'handler' * @return New MIDI router instance or NULL on error * * The MIDI handler callback should process the possibly filtered/modified MIDI * events from the MIDI router and forward them on to a synthesizer for example. * The function fluid_synth_handle_midi_event() can be used for \a handle and * a #fluid_synth_t passed as the \a event_handler_data parameter for this purpose. */ fluid_midi_router_t * new_fluid_midi_router(fluid_settings_t *settings, handle_midi_event_func_t handler, void *event_handler_data) { fluid_midi_router_t *router = NULL; int i; router = FLUID_NEW (fluid_midi_router_t); if (router == NULL) { FLUID_LOG(FLUID_ERR, "Out of memory"); return NULL; } FLUID_MEMSET (router, 0, sizeof (fluid_midi_router_t)); /* Retrieve the number of MIDI channels for range limiting */ fluid_settings_getint(settings, "synth.midi-channels", &router->nr_midi_channels); fluid_mutex_init (router->rules_mutex); router->synth = (fluid_synth_t *)event_handler_data; router->event_handler = handler; router->event_handler_data = event_handler_data; /* Create default routing rules which pass all events unmodified */ for (i = 0; i < FLUID_MIDI_ROUTER_RULE_COUNT; i++) { router->rules[i] = new_fluid_midi_router_rule (); if (!router->rules[i]) goto error_recovery; } return router; error_recovery: delete_fluid_midi_router (router); return NULL; }
/* * main */ int main(int argc, char** argv) { fluid_settings_t* settings; int arg1 = 1; char buf[512]; int c, i; int interactive = 1; int midi_in = 1; fluid_player_t* player = NULL; fluid_midi_router_t* router = NULL; //fluid_sequencer_t* sequencer = NULL; fluid_midi_driver_t* mdriver = NULL; fluid_audio_driver_t* adriver = NULL; fluid_synth_t* synth = NULL; fluid_server_t* server = NULL; char* config_file = NULL; int audio_groups = 0; int audio_channels = 0; int with_server = 0; int dump = 0; int fast_render = 0; int connect_lash = 1; char *optchars = "a:C:c:dE:f:F:G:g:hijK:L:lm:nO:o:p:R:r:sT:Vvz:"; #ifdef LASH_ENABLED int enabled_lash = 0; /* set to TRUE if lash gets enabled */ fluid_lash_args_t *lash_args; lash_args = fluid_lash_extract_args (&argc, &argv); #endif print_welcome (); settings = new_fluid_settings(); #ifdef GETOPT_SUPPORT /* pre section of GETOPT supported argument handling */ opterr = 0; while (1) { int option_index = 0; static struct option long_options[] = { {"audio-bufcount", 1, 0, 'c'}, {"audio-bufsize", 1, 0, 'z'}, {"audio-channels", 1, 0, 'L'}, {"audio-driver", 1, 0, 'a'}, {"audio-file-endian", 1, 0, 'E'}, {"audio-file-format", 1, 0, 'O'}, {"audio-file-type", 1, 0, 'T'}, {"audio-groups", 1, 0, 'G'}, {"chorus", 1, 0, 'C'}, {"connect-jack-outputs", 0, 0, 'j'}, {"disable-lash", 0, 0, 'l'}, {"dump", 0, 0, 'd'}, {"fast-render", 1, 0, 'F'}, {"gain", 1, 0, 'g'}, {"help", 0, 0, 'h'}, {"load-config", 1, 0, 'f'}, {"midi-channels", 1, 0, 'K'}, {"midi-driver", 1, 0, 'm'}, {"no-midi-in", 0, 0, 'n'}, {"no-shell", 0, 0, 'i'}, {"option", 1, 0, 'o'}, {"portname", 1, 0, 'p'}, {"reverb", 1, 0, 'R'}, {"sample-rate", 1, 0, 'r'}, {"server", 0, 0, 's'}, {"verbose", 0, 0, 'v'}, {"version", 0, 0, 'V'}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, optchars, long_options, &option_index); if (c == -1) { break; } #else /* "pre" section to non getopt argument handling */ for (i = 1; i < argc; i++) { char *optarg; /* Skip non switch arguments (assume they are file names) */ if ((argv[i][0] != '-') || (argv[i][1] == '\0')) break; c = argv[i][1]; optarg = strchr (optchars, c); /* find the option character in optchars */ if (optarg && optarg[1] == ':') /* colon follows if switch argument expected */ { if (++i >= argc) { printf ("Option -%c requires an argument\n", c); print_usage(); exit(0); } else { optarg = argv[i]; if (optarg[0] == '-') { printf ("Expected argument to option -%c found switch instead\n", c); print_usage(); exit(0); } } } else optarg = ""; #endif switch (c) { #ifdef GETOPT_SUPPORT case 0: /* shouldn't normally happen, a long option's flag is set to NULL */ printf ("option %s", long_options[option_index].name); if (optarg) { printf (" with arg %s", optarg); } printf ("\n"); break; #endif case 'a': if (FLUID_STRCMP (optarg, "help") == 0) { printf ("-a options (audio driver):\n "); show_settings_str_options (settings, "audio.driver"); exit (0); } else fluid_settings_setstr(settings, "audio.driver", optarg); break; case 'C': if ((optarg != NULL) && ((strcmp(optarg, "0") == 0) || (strcmp(optarg, "no") == 0))) { fluid_settings_setint(settings, "synth.chorus.active", FALSE); } else { fluid_settings_setint(settings, "synth.chorus.active", TRUE); } break; case 'c': fluid_settings_setint(settings, "audio.periods", atoi(optarg)); break; case 'd': fluid_settings_setint(settings, "synth.dump", TRUE); dump = 1; break; case 'E': if (FLUID_STRCMP (optarg, "help") == 0) { printf ("-E options (audio file byte order):\n "); show_settings_str_options (settings, "audio.file.endian"); #if LIBSNDFILE_SUPPORT printf ("\nauto: Use audio file format's default endian byte order\n" "cpu: Use CPU native byte order\n"); #else printf ("\nNOTE: No libsndfile support!\n" "cpu: Use CPU native byte order\n"); #endif exit (0); } else fluid_settings_setstr(settings, "audio.file.endian", optarg); break; case 'f': config_file = optarg; break; case 'F': fluid_settings_setstr(settings, "audio.file.name", optarg); fast_render = 1; break; case 'G': audio_groups = atoi(optarg); break; case 'g': fluid_settings_setnum(settings, "synth.gain", atof(optarg)); break; case 'h': print_help(settings); break; case 'i': interactive = 0; break; case 'j': fluid_settings_setint(settings, "audio.jack.autoconnect", 1); break; case 'K': fluid_settings_setint(settings, "synth.midi-channels", atoi(optarg)); break; case 'L': audio_channels = atoi(optarg); fluid_settings_setint(settings, "synth.audio-channels", audio_channels); break; case 'l': /* disable LASH */ connect_lash = 0; break; case 'm': if (FLUID_STRCMP (optarg, "help") == 0) { printf ("-m options (MIDI driver):\n "); show_settings_str_options (settings, "midi.driver"); exit (0); } else fluid_settings_setstr(settings, "midi.driver", optarg); break; case 'n': midi_in = 0; break; case 'O': if (FLUID_STRCMP (optarg, "help") == 0) { printf ("-O options (audio file format):\n "); show_settings_str_options (settings, "audio.file.format"); #if LIBSNDFILE_SUPPORT printf ("\ns8, s16, s24, s32: Signed PCM audio of the given number of bits\n"); printf ("float, double: 32 bit and 64 bit floating point audio\n"); printf ("u8: Unsigned 8 bit audio\n"); #else printf ("\nNOTE: No libsndfile support!\n"); #endif exit (0); } else fluid_settings_setstr(settings, "audio.file.format", optarg); break; case 'o': process_o_cmd_line_option(settings, optarg); break; case 'p' : fluid_settings_setstr(settings, "midi.portname", optarg); break; case 'R': if ((optarg != NULL) && ((strcmp(optarg, "0") == 0) || (strcmp(optarg, "no") == 0))) { fluid_settings_setint(settings, "synth.reverb.active", FALSE); } else { fluid_settings_setint(settings, "synth.reverb.active", TRUE); } break; case 'r': fluid_settings_setnum(settings, "synth.sample-rate", atof(optarg)); break; case 's': with_server = 1; break; case 'T': if (FLUID_STRCMP (optarg, "help") == 0) { printf ("-T options (audio file type):\n "); show_settings_str_options (settings, "audio.file.type"); #if LIBSNDFILE_SUPPORT printf ("\nauto: Determine type from file name extension, defaults to \"wav\"\n"); #else printf ("\nNOTE: No libsndfile support!\n"); #endif exit (0); } else fluid_settings_setstr(settings, "audio.file.type", optarg); break; case 'V': printf("FluidSynth %s\n", VERSION); exit (0); break; case 'v': fluid_settings_setint(settings, "synth.verbose", TRUE); break; case 'z': fluid_settings_setint(settings, "audio.period-size", atoi(optarg)); break; #ifdef GETOPT_SUPPORT case '?': printf ("Unknown option %c\n", optopt); print_usage(); exit(0); break; default: printf ("?? getopt returned character code 0%o ??\n", c); break; #else /* Non getopt default case */ default: printf ("Unknown switch '%c'\n", c); print_usage(); exit(0); break; #endif } /* end of switch statement */ } /* end of loop */ #ifdef GETOPT_SUPPORT arg1 = optind; #else arg1 = i; #endif /* option help requested? "-o help" */ if (option_help) { printf ("FluidSynth settings:\n"); fluid_settings_foreach (settings, settings, settings_foreach_func); exit (0); } #ifdef WIN32 SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS); #endif #ifdef LASH_ENABLED /* connect to the lash server */ if (connect_lash) { enabled_lash = fluid_lash_connect (lash_args); fluid_settings_setint (settings, "lash.enable", enabled_lash ? 1 : 0); } #endif /* The 'groups' setting is only relevant for LADSPA operation * If not given, set number groups to number of audio channels, because * they are the same (there is nothing between synth output and 'sound card') */ if ((audio_groups == 0) && (audio_channels != 0)) { audio_groups = audio_channels; } fluid_settings_setint(settings, "synth.audio-groups", audio_groups); if (fast_render) { midi_in = 0; interactive = 0; with_server = 0; fluid_settings_setstr(settings, "player.timing-source", "sample"); fluid_settings_setint(settings, "synth.parallel-render", 1); /* TODO: Fast_render should not need this, but currently do */ } /* create the synthesizer */ synth = new_fluid_synth(settings); if (synth == NULL) { fprintf(stderr, "Failed to create the synthesizer\n"); exit(-1); } cmd_handler = new_fluid_cmd_handler(synth); if (cmd_handler == NULL) { fprintf(stderr, "Failed to create the command handler\n"); goto cleanup; } /* load the soundfonts (check that all non options are SoundFont or MIDI files) */ for (i = arg1; i < argc; i++) { if (fluid_is_soundfont(argv[i])) { if (fluid_synth_sfload(synth, argv[i], 1) == -1) fprintf(stderr, "Failed to load the SoundFont %s\n", argv[i]); } else if (!fluid_is_midifile(argv[i])) fprintf (stderr, "Parameter '%s' not a SoundFont or MIDI file or error occurred identifying it.\n", argv[i]); } #ifdef HAVE_SIGNAL_H /* signal(SIGINT, handle_signal); */ #endif /* start the synthesis thread */ if (!fast_render) { adriver = new_fluid_audio_driver(settings, synth); if (adriver == NULL) { fprintf(stderr, "Failed to create the audio driver\n"); goto cleanup; } } /* start the midi router and link it to the synth */ #if WITH_MIDI if (midi_in) { /* In dump mode, text output is generated for events going into and out of the router. * The example dump functions are put into the chain before and after the router.. */ //sequencer = new_fluid_sequencer2(0); router = new_fluid_midi_router( settings, dump ? fluid_midi_dump_postrouter : fluid_synth_handle_midi_event, (void*)synth); if (router == NULL) { fprintf(stderr, "Failed to create the MIDI input router; no MIDI input\n" "will be available. You can access the synthesizer \n" "through the console.\n"); } else { fluid_synth_set_midi_router(synth, router); /* Fixme, needed for command handler */ // fluid_sequencer_register_fluidsynth(sequencer, synth); mdriver = new_fluid_midi_driver( settings, dump ? fluid_midi_dump_prerouter : fluid_midi_router_handle_midi_event, (void*) router); if (mdriver == NULL) { fprintf(stderr, "Failed to create the MIDI thread; no MIDI input\n" "will be available. You can access the synthesizer \n" "through the console.\n"); } } } #endif /* run commands specified in config file */ if (config_file != NULL) { fluid_source(cmd_handler, config_file); } else if (fluid_get_userconf(buf, 512) != NULL) { fluid_source(cmd_handler, buf); } else if (fluid_get_sysconf(buf, 512) != NULL) { fluid_source(cmd_handler, buf); } /* play the midi files, if any */ for (i = arg1; i < argc; i++) { if ((argv[i][0] != '-') && fluid_is_midifile(argv[i])) { if (player == NULL) { player = new_fluid_player(synth); if (player == NULL) { fprintf(stderr, "Failed to create the midifile player.\n" "Continuing without a player.\n"); break; } } fluid_player_add(player, argv[i]); } } if (player != NULL) { fluid_player_play(player); } /* run the server, if requested */ #if !defined(MACINTOSH) if (with_server) { server = new_fluid_server(settings, newclient, synth); if (server == NULL) { fprintf(stderr, "Failed to create the server.\n" "Continuing without it.\n"); } } #endif #ifdef LASH_ENABLED if (enabled_lash) fluid_lash_create_thread (synth); #endif /* run the shell */ if (interactive) { printf ("Type 'help' for help topics.\n\n"); /* In dump mode we set the prompt to "". The UI cannot easily * handle lines, which don't end with CR. Changing the prompt * cannot be done through a command, because the current shell * does not handle empty arguments. The ordinary case is dump == * 0. */ fluid_settings_setstr(settings, "shell.prompt", dump ? "" : "> "); fluid_usershell(settings, cmd_handler); } if (fast_render) { char *filename; if (player == NULL) { fprintf(stderr, "No midi file specified!\n"); goto cleanup; } fluid_settings_dupstr (settings, "audio.file.name", &filename); printf ("Rendering audio to file '%s'..\n", filename); if (filename) FLUID_FREE (filename); fast_render_loop(settings, synth, player); } cleanup: #if !defined(MACINTOSH) && !defined(WIN32) if (server != NULL) { /* if the user typed 'quit' in the shell, kill the server */ if (!interactive) { fluid_server_join(server); } delete_fluid_server(server); } #endif if (cmd_handler != NULL) { delete_fluid_cmd_handler(cmd_handler); } if (player != NULL) { /* if the user typed 'quit' in the shell, stop the player */ if (interactive) { fluid_player_stop(player); } if (adriver != NULL || !fluid_settings_str_equal(settings, "player.timing-source", "sample")) { /* if no audio driver and sample timers are used, nothing makes the player advance */ fluid_player_join(player); } delete_fluid_player(player); } if (router) { #if WITH_MIDI if (mdriver) { delete_fluid_midi_driver(mdriver); } delete_fluid_midi_router(router); #endif } /*if (sequencer) { delete_fluid_sequencer(sequencer); }*/ if (adriver) { delete_fluid_audio_driver(adriver); } if (synth) { delete_fluid_synth(synth); } if (settings) { delete_fluid_settings(settings); } return 0; } static fluid_cmd_handler_t* newclient(void* data, char* addr) { fluid_synth_t* synth = (fluid_synth_t*) data; return new_fluid_cmd_handler(synth); }