4 * Copyright (C) Robert Ham 2002, 2003 (node@users.sourceforge.net)
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
28 #include <libxml/tree.h>
30 #include "jack_rack.h"
31 #include "lock_free_fifo.h"
32 #include "plugin_settings.h"
39 jack_rack_new (const char * client_name, unsigned long channels)
43 rack = g_malloc (sizeof (jack_rack_t));
44 rack->saved_plugins = NULL;
45 rack->channels = channels;
46 rack->procinfo = process_info_new (client_name, channels, FALSE, FALSE);
47 if (!rack->procinfo) {
51 rack->plugin_mgr = plugin_mgr_new ();
52 plugin_mgr_set_plugins (rack->plugin_mgr, channels);
59 jack_rack_destroy (jack_rack_t * jack_rack)
61 process_quit (jack_rack->procinfo);
62 plugin_mgr_destroy (jack_rack->plugin_mgr);
63 process_info_destroy (jack_rack->procinfo);
64 g_slist_free (jack_rack->saved_plugins);
69 jack_rack_instantiate_plugin (jack_rack_t * jack_rack, plugin_desc_t * desc)
73 /* check whether or not the plugin is RT capable and confirm with the user if it isn't */
74 if (!LADSPA_IS_HARD_RT_CAPABLE(desc->properties)) {
75 fprintf (stderr, "Plugin not RT capable. The plugin '%s' does not describe itself as being capable of real-time operation. You may experience drop outs or jack may even kick us out if you use it.\n",
79 /* create the plugin */
80 plugin = plugin_new (desc, jack_rack);
83 fprintf (stderr, "Error loading file plugin '%s' from file '%s'\n",
84 desc->name, desc->object_file);
92 jack_rack_add_saved_plugin (jack_rack_t * jack_rack, saved_plugin_t * saved_plugin)
94 plugin_t * plugin = jack_rack_instantiate_plugin (jack_rack, saved_plugin->settings->desc);
97 jack_rack->saved_plugins = g_slist_append (jack_rack->saved_plugins, saved_plugin);
98 process_add_plugin (jack_rack->procinfo, plugin);
99 jack_rack_add_plugin (jack_rack, plugin);
104 jack_rack_add_plugin (jack_rack_t * jack_rack, plugin_t * plugin)
106 saved_plugin_t * saved_plugin = NULL;
108 unsigned long control, channel;
112 /* see if there's any saved settings that match the plugin id */
113 for (list = jack_rack->saved_plugins; list; list = g_slist_next (list))
115 saved_plugin = list->data;
117 if (saved_plugin->settings->desc->id == plugin->desc->id)
119 /* process the settings! */
120 jack_rack->saved_plugins = g_slist_remove (jack_rack->saved_plugins, saved_plugin);
126 /* initialize plugin parameters */
127 plugin->enabled = settings_get_enabled (saved_plugin->settings);
128 plugin->wet_dry_enabled = settings_get_wet_dry_enabled (saved_plugin->settings);
130 for (control = 0; control < saved_plugin->settings->desc->control_port_count; control++)
131 for (copy = 0; copy < plugin->copies; copy++)
133 value = settings_get_control_value (saved_plugin->settings, copy, control);
134 plugin->holders[copy].control_memory[control] = value;
135 //printf("setting control value %s (%d) = %f\n", saved_plugin->settings->desc->port_names[control], copy, value);
136 // lff_write (plugin->holders[copy].ui_control_fifos + control, &value);
138 if (plugin->wet_dry_enabled)
139 for (channel = 0; channel < jack_rack->channels; channel++)
141 value = settings_get_wet_dry_value (saved_plugin->settings, channel);
142 plugin->wet_dry_values[channel] = value;
143 //printf("setting wet/dry value %d = %f\n", channel, value);
144 // lff_write (plugin->wet_dry_fifos + channel, &value);
150 saved_rack_parse_plugin (jack_rack_t * jack_rack, saved_rack_t * saved_rack, saved_plugin_t * saved_plugin,
151 const char * filename, xmlNodePtr plugin)
153 plugin_desc_t * desc;
154 settings_t * settings = NULL;
159 unsigned long control = 0;
161 for (node = plugin->children; node; node = node->next)
163 if (strcmp (node->name, "id") == 0)
165 content = xmlNodeGetContent (node);
166 num = strtoul (content, NULL, 10);
169 desc = plugin_mgr_get_any_desc (jack_rack->plugin_mgr, num);
172 fprintf (stderr, _("The file '%s' contains an unknown plugin with ID '%ld'; skipping\n"), filename, num);
176 settings = settings_new (desc, saved_rack->channels, saved_rack->sample_rate);
178 else if (strcmp (node->name, "enabled") == 0)
180 content = xmlNodeGetContent (node);
181 settings_set_enabled (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
184 else if (strcmp (node->name, "wet_dry_enabled") == 0)
186 content = xmlNodeGetContent (node);
187 settings_set_wet_dry_enabled (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
190 else if (strcmp (node->name, "wet_dry_locked") == 0)
192 content = xmlNodeGetContent (node);
193 settings_set_wet_dry_locked (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
196 else if (strcmp (node->name, "wet_dry_values") == 0)
198 unsigned long channel = 0;
200 for (sub_node = node->children; sub_node; sub_node = sub_node->next)
202 if (strcmp (sub_node->name, "value") == 0)
204 content = xmlNodeGetContent (sub_node);
205 settings_set_wet_dry_value (settings, channel, strtod (content, NULL));
212 else if (strcmp (node->name, "lockall") == 0)
214 content = xmlNodeGetContent (node);
215 settings_set_lock_all (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
218 else if (strcmp (node->name, "controlrow") == 0)
222 for (sub_node = node->children; sub_node; sub_node = sub_node->next)
224 if (strcmp (sub_node->name, "lock") == 0)
226 content = xmlNodeGetContent (sub_node);
227 settings_set_lock (settings, control, strcmp (content, "true") == 0 ? TRUE : FALSE);
230 else if (strcmp (sub_node->name, "value") == 0)
232 content = xmlNodeGetContent (sub_node);
233 settings_set_control_value (settings, copy, control, strtod (content, NULL));
244 saved_plugin->settings = settings;
248 saved_rack_parse_jackrack (jack_rack_t * jack_rack, saved_rack_t * saved_rack, const char * filename, xmlNodePtr jackrack)
252 saved_plugin_t * saved_plugin;
254 for (node = jackrack->children; node; node = node->next)
256 if (strcmp (node->name, "channels") == 0)
258 content = xmlNodeGetContent (node);
259 saved_rack->channels = strtoul (content, NULL, 10);
262 else if (strcmp (node->name, "samplerate") == 0)
264 content = xmlNodeGetContent (node);
265 saved_rack->sample_rate = strtoul (content, NULL, 10);
268 else if (strcmp (node->name, "plugin") == 0)
270 saved_plugin = g_malloc0 (sizeof (saved_plugin_t));
271 saved_rack->plugins = g_slist_append (saved_rack->plugins, saved_plugin);
272 saved_rack_parse_plugin (jack_rack, saved_rack, saved_plugin, filename, node);
277 static saved_rack_t *
278 saved_rack_new (jack_rack_t * jack_rack, const char * filename, xmlDocPtr doc)
281 saved_rack_t *saved_rack;
283 /* create the saved rack */
284 saved_rack = g_malloc (sizeof (saved_rack_t));
285 saved_rack->plugins = NULL;
286 saved_rack->sample_rate = 48000;
287 saved_rack->channels = 2;
289 for (node = doc->children; node; node = node->next)
291 if (strcmp (node->name, "jackrack") == 0)
292 saved_rack_parse_jackrack (jack_rack, saved_rack, filename, node);
299 saved_rack_destroy (saved_rack_t * saved_rack)
303 for (list = saved_rack->plugins; list; list = g_slist_next (list))
304 settings_destroy (((saved_plugin_t *) list->data)->settings);
305 g_slist_free (saved_rack->plugins);
311 jack_rack_open_file (jack_rack_t * jack_rack, const char * filename)
314 saved_rack_t * saved_rack;
316 saved_plugin_t * saved_plugin;
318 doc = xmlParseFile (filename);
321 fprintf (stderr, _("Could not parse file '%s'\n"), filename);
325 if (strcmp ( ((xmlDtdPtr)doc->children)->name, "jackrack") != 0)
327 fprintf (stderr, _("The file '%s' is not a JACK Rack settings file\n"), filename);
331 saved_rack = saved_rack_new (jack_rack, filename, doc);
337 for (list = saved_rack->plugins; list; list = g_slist_next (list))
339 saved_plugin = list->data;
341 settings_set_sample_rate (saved_plugin->settings, sample_rate);
343 jack_rack_add_saved_plugin (jack_rack, saved_plugin);
346 saved_rack_destroy (saved_rack);