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, Placement p)
62 : SessionObject(session, name)
63 , AutomatableControls(session)
65 , _next_ab_is_active(false)
73 Processor::set_sort_key (uint32_t key)
79 Processor::set_placement (Placement p)
81 if (_placement != p) {
83 PlacementChanged (); /* EMIT SIGNAL */
88 Processor::get_state (void)
95 <Automation [optionally with visible="...." ]>
108 Processor::state (bool full_state)
110 XMLNode* node = new XMLNode (state_node_name);
113 // FIXME: This conflicts with "id" used by plugin for name in legacy sessions (ugh).
114 // Do we need to serialize this?
117 id().print (buf, sizeof (buf));
118 node->add_property("id", buf);
121 node->add_property("name", _name);
122 node->add_property("active", active() ? "yes" : "no");
123 node->add_property("placement", enum_2_string (_placement));
126 node->add_child_copy (*_extra_xml);
131 XMLNode& automation = Automatable::get_automation_state();
133 for (set<Evoral::Parameter>::iterator x = _visible_controls.begin(); x != _visible_controls.end(); ++x) {
134 if (x != _visible_controls.begin()) {
140 automation.add_property ("visible", sstr.str());
142 node->add_child_nocopy (automation);
149 Processor::set_state (const XMLNode& node)
151 const XMLProperty *prop;
152 const XMLProperty *legacy_active = 0;
153 const XMLProperty *legacy_placement = 0;
155 // may not exist for legacy sessions
156 if ((prop = node.property ("name")) != 0) {
157 set_name(prop->value());
160 XMLNodeList nlist = node.children();
161 XMLNodeIterator niter;
163 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
165 if ((*niter)->name() == X_("Automation")) {
170 if ((prop = (*niter)->property ("path")) != 0) {
171 old_set_automation_state (*(*niter));
173 set_automation_state (*(*niter), Evoral::Parameter(PluginAutomation));
176 if ((prop = (*niter)->property ("visible")) != 0) {
180 _visible_controls.clear ();
182 sstr << prop->value();
188 // FIXME: other automation types?
189 mark_automation_visible (Evoral::Parameter(PluginAutomation, 0, what), true);
193 } else if ((*niter)->name() == "Extra") {
194 _extra_xml = new XMLNode (*(*niter));
195 } else if ((*niter)->name() == "Redirect") {
196 if ( !(legacy_active = (*niter)->property("active"))) {
197 error << string_compose(_("No %1 property flag in element %2"), "active", (*niter)->name()) << endl;
199 if ( !(legacy_placement = (*niter)->property("placement"))) {
200 error << string_compose(_("No %1 property flag in element %2"), "placement", (*niter)->name()) << endl;
205 if ((prop = node.property ("active")) == 0) {
206 warning << _("XML node describing a processor is missing the `active' field, trying legacy active flag from child node") << endmsg;
208 prop = legacy_active;
210 error << _("No child node with active property") << endmsg;
215 if (_active != (prop->value() == "yes")) {
217 ActiveChanged (); /* EMIT_SIGNAL */
220 if ((prop = node.property ("placement")) == 0) {
221 warning << _("XML node describing a processor is missing the `placement' field, trying legacy placement flag from child node") << endmsg;
222 if (legacy_placement) {
223 prop = legacy_placement;
225 error << _("No child node with placement property") << endmsg;
230 /* hack to handle older sessions before we only used EnumWriter */
234 if (prop->value() == "pre") {
236 } else if (prop->value() == "post") {
239 pstr = prop->value();
242 Placement p = Placement (string_2_enum (pstr, p));
249 Processor::configure_io (ChanCount in, ChanCount out)
251 /* this class assumes static output stream count.
252 Derived classes must override, and must set "out"
253 to reflect "in" before calling this.
256 _configured_input = in;