5 * Copyright (C) Robert Ham 2002, 2003 (node@users.sourceforge.net)
7 * Modification for MLT:
8 * Copyright (C) 2004 Ushodaya Enterprises Limited
9 * Author: Dan Dennedy <dan@dennedy.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
33 #include <libxml/tree.h>
35 #include "jack_rack.h"
36 #include "lock_free_fifo.h"
37 #include "plugin_settings.h"
44 jack_rack_new (const char * client_name, unsigned long channels)
48 rack = g_malloc (sizeof (jack_rack_t));
49 rack->saved_plugins = NULL;
50 rack->channels = channels;
51 rack->procinfo = process_info_new (client_name, channels, FALSE, FALSE);
52 if (!rack->procinfo) {
56 rack->plugin_mgr = plugin_mgr_new ();
57 plugin_mgr_set_plugins (rack->plugin_mgr, channels);
64 jack_rack_destroy (jack_rack_t * jack_rack)
66 process_quit (jack_rack->procinfo);
67 plugin_mgr_destroy (jack_rack->plugin_mgr);
68 process_info_destroy (jack_rack->procinfo);
69 g_slist_free (jack_rack->saved_plugins);
74 jack_rack_instantiate_plugin (jack_rack_t * jack_rack, plugin_desc_t * desc)
78 /* check whether or not the plugin is RT capable and confirm with the user if it isn't */
79 if (!LADSPA_IS_HARD_RT_CAPABLE(desc->properties)) {
80 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",
84 /* create the plugin */
85 plugin = plugin_new (desc, jack_rack);
88 fprintf (stderr, "Error loading file plugin '%s' from file '%s'\n",
89 desc->name, desc->object_file);
97 jack_rack_add_saved_plugin (jack_rack_t * jack_rack, saved_plugin_t * saved_plugin)
99 plugin_t * plugin = jack_rack_instantiate_plugin (jack_rack, saved_plugin->settings->desc);
102 jack_rack->saved_plugins = g_slist_append (jack_rack->saved_plugins, saved_plugin);
103 process_add_plugin (jack_rack->procinfo, plugin);
104 jack_rack_add_plugin (jack_rack, plugin);
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 (jack_rack_t * jack_rack, saved_rack_t * saved_rack, saved_plugin_t * saved_plugin,
156 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 (jack_rack->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 (jack_rack_t * jack_rack, saved_rack_t * saved_rack, 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 (jack_rack, saved_rack, saved_plugin, filename, node);
282 static saved_rack_t *
283 saved_rack_new (jack_rack_t * jack_rack, 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 (jack_rack, saved_rack, filename, node);
304 saved_rack_destroy (saved_rack_t * saved_rack)
308 for (list = saved_rack->plugins; list; list = g_slist_next (list))
309 settings_destroy (((saved_plugin_t *) list->data)->settings);
310 g_slist_free (saved_rack->plugins);
316 jack_rack_open_file (jack_rack_t * jack_rack, const char * filename)
319 saved_rack_t * saved_rack;
321 saved_plugin_t * saved_plugin;
323 doc = xmlParseFile (filename);
326 fprintf (stderr, _("Could not parse file '%s'\n"), filename);
330 if (strcmp ( ((xmlDtdPtr)doc->children)->name, "jackrack") != 0)
332 fprintf (stderr, _("The file '%s' is not a JACK Rack settings file\n"), filename);
336 saved_rack = saved_rack_new (jack_rack, filename, doc);
342 for (list = saved_rack->plugins; list; list = g_slist_next (list))
344 saved_plugin = list->data;
346 settings_set_sample_rate (saved_plugin->settings, sample_rate);
348 jack_rack_add_saved_plugin (jack_rack, saved_plugin);
351 saved_rack_destroy (saved_rack);