2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <sigc++/bind.h>
24 #include "pbd/failed_constructor.h"
25 #include "pbd/enumwriter.h"
26 #include "pbd/xml++.h"
28 #include "ardour/processor.h"
29 #include "ardour/plugin.h"
30 #include "ardour/port.h"
31 #include "ardour/route.h"
32 #include "ardour/ladspa_plugin.h"
33 #include "ardour/buffer_set.h"
34 #include "ardour/send.h"
35 #include "ardour/port_insert.h"
36 #include "ardour/plugin_insert.h"
39 #include "ardour/vst_plugin.h"
42 #ifdef HAVE_AUDIOUNITS
43 #include "ardour/audio_unit.h"
46 #include "ardour/audioengine.h"
47 #include "ardour/session.h"
48 #include "ardour/types.h"
53 using namespace ARDOUR;
56 sigc::signal<void,Processor*> Processor::ProcessorCreated;
58 // Always saved as Processor, but may be IOProcessor or Send in legacy sessions
59 const string Processor::state_node_name = "Processor";
61 Processor::Processor(Session& session, const string& name)
62 : SessionObject(session, name)
63 , AutomatableControls(session)
65 , _next_ab_is_active(false)
72 Processor::get_state (void)
79 <Automation [optionally with visible="...." ]>
92 Processor::state (bool full_state)
94 XMLNode* node = new XMLNode (state_node_name);
98 id().print (buf, sizeof (buf));
99 node->add_property("id", buf);
100 node->add_property("name", _name);
101 node->add_property("active", active() ? "yes" : "no");
104 node->add_child_copy (*_extra_xml);
108 XMLNode& automation = Automatable::get_automation_state();
109 if (!automation.children().empty()
110 || !automation.properties().empty()
111 || !_visible_controls.empty()) {
113 for (set<Evoral::Parameter>::iterator x = _visible_controls.begin();
114 x != _visible_controls.end(); ++x) {
115 if (x != _visible_controls.begin()) {
121 automation.add_property ("visible", sstr.str());
122 node->add_child_nocopy (automation);
130 Processor::set_state (const XMLNode& node)
132 const XMLProperty *prop;
133 const XMLProperty *legacy_active = 0;
134 const XMLProperty *legacy_placement = 0;
136 // may not exist for legacy 3.0 sessions
137 if ((prop = node.property ("name")) != 0) {
138 set_name(prop->value());
141 // may not exist for legacy 3.0 sessions
142 if ((prop = node.property ("id")) != 0) {
146 XMLNodeList nlist = node.children();
147 XMLNodeIterator niter;
149 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
151 if ((*niter)->name() == X_("Automation")) {
155 if ((prop = (*niter)->property ("path")) != 0) {
156 old_set_automation_state (*(*niter));
158 set_automation_state (*(*niter), Evoral::Parameter(PluginAutomation));
161 if ((prop = (*niter)->property ("visible")) != 0) {
165 _visible_controls.clear ();
167 sstr << prop->value();
173 // FIXME: other automation types?
174 mark_automation_visible (Evoral::Parameter(PluginAutomation, 0, what), true);
178 } else if ((*niter)->name() == "Extra") {
179 _extra_xml = new XMLNode (*(*niter));
180 } else if ((*niter)->name() == "Redirect") {
181 if ( !(legacy_active = (*niter)->property("active"))) {
182 error << string_compose(_("No %1 property flag in element %2"), "active", (*niter)->name()) << endl;
184 if ( !(legacy_placement = (*niter)->property("placement"))) {
185 error << string_compose(_("No %1 property flag in element %2"), "placement", (*niter)->name()) << endl;
190 if ((prop = node.property ("active")) == 0) {
191 warning << _("XML node describing a processor is missing the `active' field,"
192 "trying legacy active flag from child node") << endmsg;
194 prop = legacy_active;
196 error << _("No child node with active property") << endmsg;
201 if (_active != (prop->value() == "yes")) {
203 ActiveChanged (); /* EMIT_SIGNAL */
210 Processor::configure_io (ChanCount in, ChanCount out)
212 /* This class assumes 1:1 input:output.static output stream count.
213 Derived classes must override and set _configured_output appropriately
214 if this is not the case
217 _configured_input = in;
218 _configured_output = out;
221 ConfigurationChanged.emit (in, out);