--- /dev/null
+/*
+ * JACK Rack
+ *
+ * Copyright (C) Robert Ham 2002, 2003 (node@users.sourceforge.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) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+#include <string.h>
+#include <ctype.h>
+
+#include <ladspa.h>
+#include <libxml/tree.h>
+
+#include "jack_rack.h"
+#include "lock_free_fifo.h"
+#include "control_message.h"
+#include "ui.h"
+#include "plugin_settings.h"
+
+#ifndef _
+#define _(x) x
+#endif
+
+jack_rack_t *
+jack_rack_new (ui_t * ui, unsigned long channels)
+{
+ jack_rack_t *rack;
+
+ rack = g_malloc (sizeof (jack_rack_t));
+ rack->saved_plugins = NULL;
+ rack->ui = ui;
+ rack->channels = channels;
+
+ return rack;
+}
+
+
+void
+jack_rack_destroy (jack_rack_t * jack_rack)
+{
+ g_free (jack_rack);
+}
+
+plugin_t *
+jack_rack_instantiate_plugin (jack_rack_t * jack_rack, plugin_desc_t * desc)
+{
+ plugin_t * plugin;
+
+ /* check whether or not the plugin is RT capable and confirm with the user if it isn't */
+ if (!LADSPA_IS_HARD_RT_CAPABLE(desc->properties)) {
+ 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",
+ desc->name);
+ }
+
+ /* create the plugin */
+ plugin = plugin_new (desc, jack_rack);
+
+ if (!plugin) {
+ fprintf (stderr, "Error loading file plugin '%s' from file '%s'\n",
+ desc->name, desc->object_file);
+ }
+
+ return plugin;
+}
+
+void
+jack_rack_send_add_plugin (jack_rack_t * jack_rack, plugin_desc_t * desc)
+{
+ plugin_t * plugin;
+ ctrlmsg_t ctrlmsg;
+
+ plugin = jack_rack_instantiate_plugin (jack_rack, desc);
+
+ if (!plugin)
+ return;
+
+ /* send the chain link off to the process() callback */
+ ctrlmsg.type = CTRLMSG_ADD;
+ ctrlmsg.data.add.plugin = plugin;
+ lff_write (jack_rack->ui->ui_to_process, &ctrlmsg);
+}
+
+void
+jack_rack_add_saved_plugin (jack_rack_t * jack_rack, saved_plugin_t * saved_plugin)
+{
+ jack_rack->saved_plugins = g_slist_append (jack_rack->saved_plugins, saved_plugin);
+
+ jack_rack_send_add_plugin (jack_rack, saved_plugin->settings->desc);
+}
+
+
+void
+jack_rack_add_plugin (jack_rack_t * jack_rack, plugin_t * plugin)
+{
+ saved_plugin_t * saved_plugin = NULL;
+ GSList * list;
+ unsigned long control, channel;
+ LADSPA_Data value;
+ guint copy;
+
+ /* see if there's any saved settings that match the plugin id */
+ for (list = jack_rack->saved_plugins; list; list = g_slist_next (list))
+ {
+ saved_plugin = list->data;
+
+ if (saved_plugin->settings->desc->id == plugin->desc->id)
+ {
+ /* process the settings! */
+ jack_rack->saved_plugins = g_slist_remove (jack_rack->saved_plugins, saved_plugin);
+ break;
+ }
+ saved_plugin = NULL;
+ }
+
+ /* initialize plugin parameters */
+ plugin->enabled = settings_get_enabled (saved_plugin->settings);
+ plugin->wet_dry_enabled = settings_get_wet_dry_enabled (saved_plugin->settings);
+
+ for (control = 0; control < saved_plugin->settings->desc->control_port_count; control++)
+ for (copy = 0; copy < plugin->copies; copy++)
+ {
+ value = settings_get_control_value (saved_plugin->settings, copy, control);
+ plugin->holders[copy].control_memory[control] = value;
+//printf("setting control value %s (%d) = %f\n", saved_plugin->settings->desc->port_names[control], copy, value);
+// lff_write (plugin->holders[copy].ui_control_fifos + control, &value);
+ }
+ if (plugin->wet_dry_enabled)
+ for (channel = 0; channel < jack_rack->channels; channel++)
+ {
+ value = settings_get_wet_dry_value (saved_plugin->settings, channel);
+ plugin->wet_dry_values[channel] = value;
+//printf("setting wet/dry value %d = %f\n", channel, value);
+// lff_write (plugin->wet_dry_fifos + channel, &value);
+ }
+}
+
+
+static void
+saved_rack_parse_plugin (saved_rack_t * saved_rack, saved_plugin_t * saved_plugin,
+ ui_t * ui, const char * filename, xmlNodePtr plugin)
+{
+ plugin_desc_t * desc;
+ settings_t * settings = NULL;
+ xmlNodePtr node;
+ xmlNodePtr sub_node;
+ xmlChar *content;
+ unsigned long num;
+ unsigned long control = 0;
+
+ for (node = plugin->children; node; node = node->next)
+ {
+ if (strcmp (node->name, "id") == 0)
+ {
+ content = xmlNodeGetContent (node);
+ num = strtoul (content, NULL, 10);
+ xmlFree (content);
+
+ desc = plugin_mgr_get_any_desc (ui->plugin_mgr, num);
+ if (!desc)
+ {
+ fprintf (stderr, _("The file '%s' contains an unknown plugin with ID '%ld'; skipping\n"), filename, num);
+ return;
+ }
+
+ settings = settings_new (desc, saved_rack->channels, saved_rack->sample_rate);
+ }
+ else if (strcmp (node->name, "enabled") == 0)
+ {
+ content = xmlNodeGetContent (node);
+ settings_set_enabled (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
+ xmlFree (content);
+ }
+ else if (strcmp (node->name, "wet_dry_enabled") == 0)
+ {
+ content = xmlNodeGetContent (node);
+ settings_set_wet_dry_enabled (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
+ xmlFree (content);
+ }
+ else if (strcmp (node->name, "wet_dry_locked") == 0)
+ {
+ content = xmlNodeGetContent (node);
+ settings_set_wet_dry_locked (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
+ xmlFree (content);
+ }
+ else if (strcmp (node->name, "wet_dry_values") == 0)
+ {
+ unsigned long channel = 0;
+
+ for (sub_node = node->children; sub_node; sub_node = sub_node->next)
+ {
+ if (strcmp (sub_node->name, "value") == 0)
+ {
+ content = xmlNodeGetContent (sub_node);
+ settings_set_wet_dry_value (settings, channel, strtod (content, NULL));
+ xmlFree (content);
+
+ channel++;
+ }
+ }
+ }
+ else if (strcmp (node->name, "lockall") == 0)
+ {
+ content = xmlNodeGetContent (node);
+ settings_set_lock_all (settings, strcmp (content, "true") == 0 ? TRUE : FALSE);
+ xmlFree (content);
+ }
+ else if (strcmp (node->name, "controlrow") == 0)
+ {
+ gint copy = 0;
+
+ for (sub_node = node->children; sub_node; sub_node = sub_node->next)
+ {
+ if (strcmp (sub_node->name, "lock") == 0)
+ {
+ content = xmlNodeGetContent (sub_node);
+ settings_set_lock (settings, control, strcmp (content, "true") == 0 ? TRUE : FALSE);
+ xmlFree (content);
+ }
+ else if (strcmp (sub_node->name, "value") == 0)
+ {
+ content = xmlNodeGetContent (sub_node);
+ settings_set_control_value (settings, copy, control, strtod (content, NULL));
+ xmlFree (content);
+ copy++;
+ }
+ }
+
+ control++;
+ }
+ }
+
+ if (settings)
+ saved_plugin->settings = settings;
+}
+
+static void
+saved_rack_parse_jackrack (saved_rack_t * saved_rack, ui_t * ui, const char * filename, xmlNodePtr jackrack)
+{
+ xmlNodePtr node;
+ xmlChar *content;
+ saved_plugin_t * saved_plugin;
+
+ for (node = jackrack->children; node; node = node->next)
+ {
+ if (strcmp (node->name, "channels") == 0)
+ {
+ content = xmlNodeGetContent (node);
+ saved_rack->channels = strtoul (content, NULL, 10);
+ xmlFree (content);
+ }
+ else if (strcmp (node->name, "samplerate") == 0)
+ {
+ content = xmlNodeGetContent (node);
+ saved_rack->sample_rate = strtoul (content, NULL, 10);
+ xmlFree (content);
+ }
+ else if (strcmp (node->name, "plugin") == 0)
+ {
+ saved_plugin = g_malloc0 (sizeof (saved_plugin_t));
+ saved_rack->plugins = g_slist_append (saved_rack->plugins, saved_plugin);
+ saved_rack_parse_plugin (saved_rack, saved_plugin, ui, filename, node);
+ }
+ }
+}
+
+static saved_rack_t *
+saved_rack_new (ui_t * ui, const char * filename, xmlDocPtr doc)
+{
+ xmlNodePtr node;
+ saved_rack_t *saved_rack;
+
+ /* create the saved rack */
+ saved_rack = g_malloc (sizeof (saved_rack_t));
+ saved_rack->plugins = NULL;
+ saved_rack->sample_rate = 48000;
+ saved_rack->channels = 2;
+
+ for (node = doc->children; node; node = node->next)
+ {
+ if (strcmp (node->name, "jackrack") == 0)
+ saved_rack_parse_jackrack (saved_rack, ui, filename, node);
+ }
+
+ return saved_rack;
+}
+
+static void
+saved_rack_destroy (saved_rack_t * saved_rack)
+{
+/* GSList * list;*/
+
+/* for (list = saved_rack->settings; list; list = g_slist_next (list))
+ settings_destroy ((settings_t *) list->data); */
+/* g_slist_free (saved_rack->settings); */
+
+ g_free (saved_rack);
+}
+
+
+int
+jack_rack_open_file (ui_t * ui, const char * filename)
+{
+ xmlDocPtr doc;
+ saved_rack_t * saved_rack;
+ GSList * list;
+ saved_plugin_t * saved_plugin;
+
+ doc = xmlParseFile (filename);
+ if (!doc)
+ {
+ fprintf (stderr, _("Could not parse file '%s'\n"), filename);
+ return 1;
+ }
+
+ if (strcmp ( ((xmlDtdPtr)doc->children)->name, "jackrack") != 0)
+ {
+ fprintf (stderr, _("The file '%s' is not a JACK Rack settings file\n"), filename);
+ return 1;
+ }
+
+ saved_rack = saved_rack_new (ui, filename, doc);
+ xmlFreeDoc (doc);
+
+ if (!saved_rack)
+ return 1;
+
+ for (list = saved_rack->plugins; list; list = g_slist_next (list))
+ {
+ saved_plugin = list->data;
+
+ settings_set_sample_rate (saved_plugin->settings, sample_rate);
+
+ jack_rack_add_saved_plugin (ui->jack_rack, saved_plugin);
+ }
+
+ g_slist_free (saved_rack->plugins);
+ g_free (saved_rack);
+
+ return 0;
+}
+
+
+/* EOF */
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