+++ /dev/null
-/*
- * JACK Rack
- *
- * Original:
- * Copyright (C) Robert Ham 2002, 2003 (node@users.sourceforge.net)
- *
- * Modification for MLT:
- * Copyright (C) 2004 Ushodaya Enterprises Limited
- * Author: Dan Dennedy <dan@dennedy.org>
- *
- * 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 "plugin_settings.h"
-
-#ifndef _
-#define _(x) x
-#endif
-#define _x (const xmlChar*)
-#define _s (const char*)
-
-jack_rack_t *
-jack_rack_new (const char * client_name, unsigned long channels)
-{
- jack_rack_t *rack;
-
- rack = g_malloc (sizeof (jack_rack_t));
- rack->saved_plugins = NULL;
- rack->channels = channels;
- rack->procinfo = process_info_new (client_name, channels, FALSE, FALSE);
- if (!rack->procinfo) {
- g_free (rack);
- return NULL;
- }
- rack->plugin_mgr = plugin_mgr_new ();
- plugin_mgr_set_plugins (rack->plugin_mgr, channels);
-
- return rack;
-}
-
-
-void
-jack_rack_destroy (jack_rack_t * jack_rack)
-{
- process_quit (jack_rack->procinfo);
- plugin_mgr_destroy (jack_rack->plugin_mgr);
- process_info_destroy (jack_rack->procinfo);
- g_slist_free (jack_rack->saved_plugins);
- 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_add_saved_plugin (jack_rack_t * jack_rack, saved_plugin_t * saved_plugin)
-{
- plugin_t * plugin = jack_rack_instantiate_plugin (jack_rack, saved_plugin->settings->desc);
- if (!plugin)
- return;
- jack_rack->saved_plugins = g_slist_append (jack_rack->saved_plugins, saved_plugin);
- process_add_plugin (jack_rack->procinfo, plugin);
- jack_rack_add_plugin (jack_rack, plugin);
-}
-
-
-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 (jack_rack_t * jack_rack, saved_rack_t * saved_rack, saved_plugin_t * saved_plugin,
- 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 (xmlStrcmp (node->name, _x("id")) == 0)
- {
- content = xmlNodeGetContent (node);
- num = strtoul (_s(content), NULL, 10);
- xmlFree (content);
-
- desc = plugin_mgr_get_any_desc (jack_rack->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 (xmlStrcmp (node->name, _x("enabled")) == 0)
- {
- content = xmlNodeGetContent (node);
- settings_set_enabled (settings, xmlStrcmp (content, _x("true")) == 0 ? TRUE : FALSE);
- xmlFree (content);
- }
- else if (xmlStrcmp (node->name, _x("wet_dry_enabled")) == 0)
- {
- content = xmlNodeGetContent (node);
- settings_set_wet_dry_enabled (settings, xmlStrcmp (content, _x("true")) == 0 ? TRUE : FALSE);
- xmlFree (content);
- }
- else if (xmlStrcmp (node->name, _x("wet_dry_locked")) == 0)
- {
- content = xmlNodeGetContent (node);
- settings_set_wet_dry_locked (settings, xmlStrcmp (content, _x("true")) == 0 ? TRUE : FALSE);
- xmlFree (content);
- }
- else if (xmlStrcmp (node->name, _x("wet_dry_values")) == 0)
- {
- unsigned long channel = 0;
-
- for (sub_node = node->children; sub_node; sub_node = sub_node->next)
- {
- if (xmlStrcmp (sub_node->name, _x("value")) == 0)
- {
- content = xmlNodeGetContent (sub_node);
- settings_set_wet_dry_value (settings, channel, strtod (_s(content), NULL));
- xmlFree (content);
-
- channel++;
- }
- }
- }
- else if (xmlStrcmp (node->name, _x("lockall")) == 0)
- {
- content = xmlNodeGetContent (node);
- settings_set_lock_all (settings, xmlStrcmp (content, _x("true")) == 0 ? TRUE : FALSE);
- xmlFree (content);
- }
- else if (xmlStrcmp (node->name, _x("controlrow")) == 0)
- {
- gint copy = 0;
-
- for (sub_node = node->children; sub_node; sub_node = sub_node->next)
- {
- if (xmlStrcmp (sub_node->name, _x("lock")) == 0)
- {
- content = xmlNodeGetContent (sub_node);
- settings_set_lock (settings, control, xmlStrcmp (content, _x("true")) == 0 ? TRUE : FALSE);
- xmlFree (content);
- }
- else if (xmlStrcmp (sub_node->name, _x("value")) == 0)
- {
- content = xmlNodeGetContent (sub_node);
- settings_set_control_value (settings, copy, control, strtod (_s(content), NULL));
- xmlFree (content);
- copy++;
- }
- }
-
- control++;
- }
- }
-
- if (settings)
- saved_plugin->settings = settings;
-}
-
-static void
-saved_rack_parse_jackrack (jack_rack_t * jack_rack, saved_rack_t * saved_rack, const char * filename, xmlNodePtr jackrack)
-{
- xmlNodePtr node;
- xmlChar *content;
- saved_plugin_t * saved_plugin;
-
- for (node = jackrack->children; node; node = node->next)
- {
- if (xmlStrcmp (node->name, _x("channels")) == 0)
- {
- content = xmlNodeGetContent (node);
- saved_rack->channels = strtoul (_s(content), NULL, 10);
- xmlFree (content);
- }
- else if (xmlStrcmp (node->name, _x("samplerate")) == 0)
- {
- content = xmlNodeGetContent (node);
- saved_rack->sample_rate = strtoul (_s(content), NULL, 10);
- xmlFree (content);
- }
- else if (xmlStrcmp (node->name, _x("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 (jack_rack, saved_rack, saved_plugin, filename, node);
- }
- }
-}
-
-static saved_rack_t *
-saved_rack_new (jack_rack_t * jack_rack, 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 (xmlStrcmp (node->name, _x("jackrack")) == 0)
- saved_rack_parse_jackrack (jack_rack, saved_rack, filename, node);
- }
-
- return saved_rack;
-}
-
-static void
-saved_rack_destroy (saved_rack_t * saved_rack)
-{
- GSList * list;
-
- for (list = saved_rack->plugins; list; list = g_slist_next (list))
- settings_destroy (((saved_plugin_t *) list->data)->settings);
- g_slist_free (saved_rack->plugins);
- g_free (saved_rack);
-}
-
-
-int
-jack_rack_open_file (jack_rack_t * jack_rack, 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 (xmlStrcmp ( ((xmlDtdPtr)doc->children)->name, _x("jackrack")) != 0)
- {
- fprintf (stderr, _("The file '%s' is not a JACK Rack settings file\n"), filename);
- return 1;
- }
-
- saved_rack = saved_rack_new (jack_rack, 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 (jack_rack, saved_plugin);
- }
-
- saved_rack_destroy (saved_rack);
-
- return 0;
-}
-
-
-/* EOF */
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