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 "control_message.h"
34 #include "plugin_settings.h"
41 jack_rack_new (ui_t * ui, unsigned long channels)
45 rack = g_malloc (sizeof (jack_rack_t));
46 rack->saved_plugins = NULL;
48 rack->channels = channels;
55 jack_rack_destroy (jack_rack_t * jack_rack)
61 jack_rack_instantiate_plugin (jack_rack_t * jack_rack, plugin_desc_t * desc)
65 /* check whether or not the plugin is RT capable and confirm with the user if it isn't */
66 if (!LADSPA_IS_HARD_RT_CAPABLE(desc->properties)) {
67 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",
71 /* create the plugin */
72 plugin = plugin_new (desc, jack_rack);
75 fprintf (stderr, "Error loading file plugin '%s' from file '%s'\n",
76 desc->name, desc->object_file);
83 jack_rack_send_add_plugin (jack_rack_t * jack_rack, plugin_desc_t * desc)
88 plugin = jack_rack_instantiate_plugin (jack_rack, desc);
93 /* send the chain link off to the process() callback */
94 ctrlmsg.type = CTRLMSG_ADD;
95 ctrlmsg.data.add.plugin = plugin;
96 lff_write (jack_rack->ui->ui_to_process, &ctrlmsg);
100 jack_rack_add_saved_plugin (jack_rack_t * jack_rack, saved_plugin_t * saved_plugin)
102 jack_rack->saved_plugins = g_slist_append (jack_rack->saved_plugins, saved_plugin);
104 jack_rack_send_add_plugin (jack_rack, saved_plugin->settings->desc);
109 jack_rack_add_plugin (jack_rack_t * jack_rack, plugin_t * plugin)
111 saved_plugin_t * saved_plugin = NULL;
113 unsigned long control, channel;
117 /* see if there's any saved settings that match the plugin id */
118 for (list = jack_rack->saved_plugins; list; list = g_slist_next (list))
120 saved_plugin = list->data;
122 if (saved_plugin->settings->desc->id == plugin->desc->id)
124 /* process the settings! */
125 jack_rack->saved_plugins = g_slist_remove (jack_rack->saved_plugins, saved_plugin);
131 /* initialize plugin parameters */
132 plugin->enabled = settings_get_enabled (saved_plugin->settings);
133 plugin->wet_dry_enabled = settings_get_wet_dry_enabled (saved_plugin->settings);
135 for (control = 0; control < saved_plugin->settings->desc->control_port_count; control++)
136 for (copy = 0; copy < plugin->copies; copy++)
138 value = settings_get_control_value (saved_plugin->settings, copy, control);
139 plugin->holders[copy].control_memory[control] = value;
140 //printf("setting control value %s (%d) = %f\n", saved_plugin->settings->desc->port_names[control], copy, value);
141 // lff_write (plugin->holders[copy].ui_control_fifos + control, &value);
143 if (plugin->wet_dry_enabled)
144 for (channel = 0; channel < jack_rack->channels; channel++)
146 value = settings_get_wet_dry_value (saved_plugin->settings, channel);
147 plugin->wet_dry_values[channel] = value;
148 //printf("setting wet/dry value %d = %f\n", channel, value);
149 // lff_write (plugin->wet_dry_fifos + channel, &value);
155 saved_rack_parse_plugin (saved_rack_t * saved_rack, saved_plugin_t * saved_plugin,
156 ui_t * ui, const char * filename, xmlNodePtr plugin)
158 plugin_desc_t * desc;
159 settings_t * settings = NULL;
164 unsigned long control = 0;
166 for (node = plugin->children; node; node = node->next)
168 if (strcmp (node->name, "id") == 0)
170 content = xmlNodeGetContent (node);
171 num = strtoul (content, NULL, 10);
174 desc = plugin_mgr_get_any_desc (ui->plugin_mgr, num);
177 fprintf (stderr, _("The file '%s' contains an unknown plugin with ID '%ld'; skipping\n"), filename, num);
181 settings = settings_new (desc, saved_rack->channels, saved_rack->sample_rate);
183 else if (strcmp (node->name, "enabled") == 0)
185 content = xmlNodeGetContent (node);
186 settings_set_enabled (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
189 else if (strcmp (node->name, "wet_dry_enabled") == 0)
191 content = xmlNodeGetContent (node);
192 settings_set_wet_dry_enabled (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
195 else if (strcmp (node->name, "wet_dry_locked") == 0)
197 content = xmlNodeGetContent (node);
198 settings_set_wet_dry_locked (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
201 else if (strcmp (node->name, "wet_dry_values") == 0)
203 unsigned long channel = 0;
205 for (sub_node = node->children; sub_node; sub_node = sub_node->next)
207 if (strcmp (sub_node->name, "value") == 0)
209 content = xmlNodeGetContent (sub_node);
210 settings_set_wet_dry_value (settings, channel, strtod (content, NULL));
217 else if (strcmp (node->name, "lockall") == 0)
219 content = xmlNodeGetContent (node);
220 settings_set_lock_all (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
223 else if (strcmp (node->name, "controlrow") == 0)
227 for (sub_node = node->children; sub_node; sub_node = sub_node->next)
229 if (strcmp (sub_node->name, "lock") == 0)
231 content = xmlNodeGetContent (sub_node);
232 settings_set_lock (settings, control, strcmp (content, "true") == 0 ? TRUE : FALSE);
235 else if (strcmp (sub_node->name, "value") == 0)
237 content = xmlNodeGetContent (sub_node);
238 settings_set_control_value (settings, copy, control, strtod (content, NULL));
249 saved_plugin->settings = settings;
253 saved_rack_parse_jackrack (saved_rack_t * saved_rack, ui_t * ui, const char * filename, xmlNodePtr jackrack)
257 saved_plugin_t * saved_plugin;
259 for (node = jackrack->children; node; node = node->next)
261 if (strcmp (node->name, "channels") == 0)
263 content = xmlNodeGetContent (node);
264 saved_rack->channels = strtoul (content, NULL, 10);
267 else if (strcmp (node->name, "samplerate") == 0)
269 content = xmlNodeGetContent (node);
270 saved_rack->sample_rate = strtoul (content, NULL, 10);
273 else if (strcmp (node->name, "plugin") == 0)
275 saved_plugin = g_malloc0 (sizeof (saved_plugin_t));
276 saved_rack->plugins = g_slist_append (saved_rack->plugins, saved_plugin);
277 saved_rack_parse_plugin (saved_rack, saved_plugin, ui, filename, node);
282 static saved_rack_t *
283 saved_rack_new (ui_t * ui, const char * filename, xmlDocPtr doc)
286 saved_rack_t *saved_rack;
288 /* create the saved rack */
289 saved_rack = g_malloc (sizeof (saved_rack_t));
290 saved_rack->plugins = NULL;
291 saved_rack->sample_rate = 48000;
292 saved_rack->channels = 2;
294 for (node = doc->children; node; node = node->next)
296 if (strcmp (node->name, "jackrack") == 0)
297 saved_rack_parse_jackrack (saved_rack, ui, filename, node);
304 saved_rack_destroy (saved_rack_t * saved_rack)
308 /* for (list = saved_rack->settings; list; list = g_slist_next (list))
309 settings_destroy ((settings_t *) list->data); */
310 /* g_slist_free (saved_rack->settings); */
317 jack_rack_open_file (ui_t * ui, const char * filename)
320 saved_rack_t * saved_rack;
322 saved_plugin_t * saved_plugin;
324 doc = xmlParseFile (filename);
327 fprintf (stderr, _("Could not parse file '%s'\n"), filename);
331 if (strcmp ( ((xmlDtdPtr)doc->children)->name, "jackrack") != 0)
333 fprintf (stderr, _("The file '%s' is not a JACK Rack settings file\n"), filename);
337 saved_rack = saved_rack_new (ui, filename, doc);
343 for (list = saved_rack->plugins; list; list = g_slist_next (list))
345 saved_plugin = list->data;
347 settings_set_sample_rate (saved_plugin->settings, sample_rate);
349 jack_rack_add_saved_plugin (ui->jack_rack, saved_plugin);
352 g_slist_free (saved_rack->plugins);