diff options
Diffstat (limited to 'hosts/lv2_simple_jack_host.c')
| -rw-r--r-- | hosts/lv2_simple_jack_host.c | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/hosts/lv2_simple_jack_host.c b/hosts/lv2_simple_jack_host.c index 32c852c..7751464 100644 --- a/hosts/lv2_simple_jack_host.c +++ b/hosts/lv2_simple_jack_host.c @@ -1,6 +1,6 @@ /* SLV2 Simple Jack Host Example * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * + * * 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) @@ -53,7 +53,7 @@ main(int argc, char** argv) host.num_ports = 0; host.jack_ports = NULL; host.controls = NULL; - + /* Find all installed plugins */ host.world = slv2_world_new(); slv2_world_load_all(host.world); @@ -70,7 +70,7 @@ main(int argc, char** argv) /* Find the plugin to run */ const char* plugin_uri_str = (argc == 2) ? argv[1] : NULL; - + if (!plugin_uri_str) { fprintf(stderr, "\nYou must specify a plugin URI to load.\n"); fprintf(stderr, "\nKnown plugins:\n\n"); @@ -83,7 +83,7 @@ main(int argc, char** argv) SLV2Value plugin_uri = slv2_value_new_uri(host.world, plugin_uri_str); host.plugin = slv2_plugins_get_by_uri(plugins, plugin_uri); slv2_value_free(plugin_uri); - + if (!host.plugin) { fprintf(stderr, "Failed to find plugin %s.\n", plugin_uri_str); slv2_world_free(host.world); @@ -107,7 +107,7 @@ main(int argc, char** argv) /* Connect to JACK */ printf("JACK Name:\t%s\n", jack_name); host.jack_client = jack_client_open(jack_name, JackNullOption, NULL); - + free(jack_name); slv2_value_free(name); @@ -115,7 +115,7 @@ main(int argc, char** argv) die("Failed to connect to JACK."); else printf("Connected to JACK.\n"); - + /* Instantiate the plugin */ host.instance = slv2_plugin_instantiate( host.plugin, jack_get_sample_rate(host.jack_client), NULL); @@ -125,27 +125,27 @@ main(int argc, char** argv) printf("Succesfully instantiated plugin.\n"); jack_set_process_callback(host.jack_client, &jack_process_cb, (void*)(&host)); - + /* Create ports */ host.num_ports = slv2_plugin_get_num_ports(host.plugin); host.jack_ports = calloc((size_t)host.num_ports, sizeof(jack_port_t*)); host.controls = calloc((size_t)host.num_ports, sizeof(float*)); - + for (uint32_t i=0; i < host.num_ports; ++i) create_port(&host, i); - + /* Activate plugin and JACK */ slv2_instance_activate(host.instance); jack_activate(host.jack_client); - + /* Run */ printf("Press enter to quit: "); getc(stdin); printf("\n"); - + /* Deactivate JACK */ jack_deactivate(host.jack_client); - + printf("Shutting down JACK.\n"); for (unsigned long i=0; i < host.num_ports; ++i) { if (host.jack_ports[i] != NULL) { @@ -154,7 +154,7 @@ main(int argc, char** argv) } } jack_client_close(host.jack_client); - + /* Deactivate plugin */ slv2_instance_deactivate(host.instance); slv2_instance_free(host.instance); @@ -195,11 +195,11 @@ create_port(struct JackHost* host, /* Get the port symbol (label) for console printing */ SLV2Value symbol = slv2_port_get_symbol(host->plugin, port); const char* symbol_str = slv2_value_as_string(symbol); - + /* Initialize the port array elements */ host->jack_ports[index] = NULL; host->controls[index] = 0.0f; - + /* Connect control ports to controls array */ if (slv2_port_is_a(host->plugin, port, host->control_class)) { @@ -211,7 +211,7 @@ create_port(struct JackHost* host, printf("Set %s to %f\n", symbol_str, host->controls[index]); slv2_value_free(def); } - + slv2_instance_connect_port(host->instance, index, &host->controls[index]); } else if (slv2_port_is_a(host->plugin, port, host->audio_class)) { @@ -240,7 +240,7 @@ jack_process_cb(jack_nframes_t nframes, void* data) if (host->jack_ports[i] != NULL) slv2_instance_connect_port(host->instance, i, jack_port_get_buffer(host->jack_ports[i], nframes)); - + /* Run plugin for this cycle */ slv2_instance_run(host->instance, nframes); |