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.
21 #include "libardour-config.h"
27 #include "pbd/failed_constructor.h"
28 #include "pbd/enumwriter.h"
29 #include "pbd/xml++.h"
31 #include "ardour/processor.h"
32 #include "ardour/plugin.h"
33 #include "ardour/port.h"
34 #include "ardour/route.h"
35 #include "ardour/ladspa_plugin.h"
36 #include "ardour/buffer_set.h"
37 #include "ardour/send.h"
38 #include "ardour/port_insert.h"
39 #include "ardour/plugin_insert.h"
42 #include "ardour/vst_plugin.h"
45 #ifdef HAVE_AUDIOUNITS
46 #include "ardour/audio_unit.h"
49 #include "ardour/audioengine.h"
50 #include "ardour/session.h"
51 #include "ardour/types.h"
56 using namespace ARDOUR;
59 // Always saved as Processor, but may be IOProcessor or Send in legacy sessions
60 const string Processor::state_node_name = "Processor";
62 Processor::Processor(Session& session, const string& name)
63 : SessionObject(session, name)
64 , Automatable (session)
65 , _pending_active(false)
67 , _next_ab_is_active(false)
69 , _display_to_user (true)
75 Processor::Processor (const Processor& other)
76 : Evoral::ControlSet (other)
77 , SessionObject (other.session(), other.name())
78 , Automatable (other.session())
79 , _pending_active(other._pending_active)
80 , _active(other._active)
81 , _next_ab_is_active(false)
83 , _display_to_user (true)
90 Processor::get_state (void)
97 <Automation [optionally with visible="...." ]>
110 Processor::state (bool full_state)
112 XMLNode* node = new XMLNode (state_node_name);
115 id().print (buf, sizeof (buf));
116 node->add_property("id", buf);
117 node->add_property("name", _name);
118 node->add_property("active", active() ? "yes" : "no");
121 node->add_child_copy (*_extra_xml);
125 XMLNode& automation = Automatable::get_automation_xml_state();
126 if (!automation.children().empty()
127 || !automation.properties().empty()
128 || !_visible_controls.empty()) {
131 for (set<Evoral::Parameter>::iterator x = _visible_controls.begin();
132 x != _visible_controls.end(); ++x) {
134 if (x != _visible_controls.begin()) {
140 automation.add_property ("visible", sstr.str());
141 node->add_child_nocopy (automation);
149 Processor::set_state_2X (const XMLNode & node, int /*version*/)
151 XMLProperty const * prop;
153 XMLNodeList children = node.children ();
155 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
157 if ((*i)->name() == X_("IO")) {
159 if ((prop = (*i)->property ("name")) != 0) {
160 set_name (prop->value ());
163 if ((prop = (*i)->property ("id")) != 0) {
164 _id = prop->value ();
167 if ((prop = (*i)->property ("active")) != 0) {
168 bool const a = string_is_affirmative (prop->value ());
184 Processor::set_state (const XMLNode& node, int version)
186 if (version < 3000) {
187 return set_state_2X (node, version);
190 const XMLProperty *prop;
191 const XMLProperty *legacy_active = 0;
193 // may not exist for legacy 3.0 sessions
194 if ((prop = node.property ("name")) != 0) {
195 /* don't let derived classes have a crack at set_name,
196 as some (like Send) will screw with the one we suggest.
198 Processor::set_name (prop->value());
201 // may not exist for legacy 3.0 sessions
202 if ((prop = node.property ("id")) != 0) {
206 XMLNodeList nlist = node.children();
207 XMLNodeIterator niter;
209 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
211 if ((*niter)->name() == X_("Automation")) {
215 if ((prop = (*niter)->property ("path")) != 0) {
216 old_set_automation_state (*(*niter));
218 set_automation_xml_state (*(*niter), Evoral::Parameter(PluginAutomation));
221 if ((prop = (*niter)->property ("visible")) != 0) {
225 _visible_controls.clear ();
227 sstr << prop->value();
233 // FIXME: other automation types?
234 mark_automation_visible (Evoral::Parameter(PluginAutomation, 0, what), true);
238 } else if ((*niter)->name() == "Extra") {
239 _extra_xml = new XMLNode (*(*niter));
240 } else if ((*niter)->name() == "Redirect") {
241 if ( !(legacy_active = (*niter)->property("active"))) {
242 error << string_compose(_("No %1 property flag in element %2"), "active", (*niter)->name()) << endl;
247 if ((prop = node.property ("active")) == 0) {
249 prop = legacy_active;
251 error << _("No child node with active property") << endmsg;
256 bool const a = string_is_affirmative (prop->value ());
268 /** @pre Caller must hold process lock */
270 Processor::configure_io (ChanCount in, ChanCount out)
272 /* This class assumes 1:1 input:output.static output stream count.
273 Derived classes must override and set _configured_output appropriately
274 if this is not the case
277 _configured_input = in;
278 _configured_output = out;
281 ConfigurationChanged (in, out); /* EMIT SIGNAL */
287 Processor::set_display_to_user (bool yn)
289 _display_to_user = yn;
293 Processor::set_pre_fader (bool p)
299 Processor::set_ui (void* p)