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"
26 #include "pbd/xml++.h"
28 #include "ardour/automatable.h"
29 #include "ardour/chan_count.h"
30 #include "ardour/processor.h"
31 #include "ardour/types.h"
33 #ifdef WINDOWS_VST_SUPPORT
34 #include "ardour/windows_vst_plugin.h"
37 #ifdef AUDIOUNIT_SUPPORT
38 #include "ardour/audio_unit.h"
41 #include "ardour/audioengine.h"
42 #include "ardour/session.h"
43 #include "ardour/types.h"
48 using namespace ARDOUR;
51 namespace ARDOUR { class Session; }
53 // Always saved as Processor, but may be IOProcessor or Send in legacy sessions
54 const string Processor::state_node_name = "Processor";
56 Processor::Processor(Session& session, const string& name)
57 : SessionObject(session, name)
58 , Automatable (session)
59 , _pending_active(false)
61 , _next_ab_is_active(false)
63 , _display_to_user (true)
70 Processor::Processor (const Processor& other)
71 : Evoral::ControlSet (other)
72 , SessionObject (other.session(), other.name())
73 , Automatable (other.session())
75 , _pending_active(other._pending_active)
76 , _active(other._active)
77 , _next_ab_is_active(false)
79 , _display_to_user (true)
86 Processor::get_state (void)
93 <Automation [optionally with visible="...." ]>
106 Processor::state (bool full_state)
108 XMLNode* node = new XMLNode (state_node_name);
111 id().print (buf, sizeof (buf));
112 node->add_property("id", buf);
113 node->add_property("name", _name);
114 node->add_property("active", active() ? "yes" : "no");
117 node->add_child_copy (*_extra_xml);
121 XMLNode& automation = Automatable::get_automation_xml_state();
122 if (!automation.children().empty() || !automation.properties().empty()) {
123 node->add_child_nocopy (automation);
127 snprintf (buf, sizeof (buf), "%" PRId64, _user_latency);
128 node->add_property("user-latency", buf);
134 Processor::set_state_2X (const XMLNode & node, int /*version*/)
136 XMLProperty const * prop;
138 XMLNodeList children = node.children ();
140 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
142 if ((*i)->name() == X_("IO")) {
144 if ((prop = (*i)->property ("name")) != 0) {
145 set_name (prop->value ());
150 if ((prop = (*i)->property ("active")) != 0) {
151 bool const a = string_is_affirmative (prop->value ());
167 Processor::set_state (const XMLNode& node, int version)
169 if (version < 3000) {
170 return set_state_2X (node, version);
173 const XMLProperty *prop;
174 const XMLProperty *legacy_active = 0;
175 bool leave_name_alone = (node.property ("ignore-name") != 0);
177 if (!leave_name_alone) {
178 // may not exist for legacy 3.0 sessions
179 if ((prop = node.property ("name")) != 0) {
180 /* don't let derived classes have a crack at set_name,
181 as some (like Send) will screw with the one we suggest.
183 Processor::set_name (prop->value());
189 XMLNodeList nlist = node.children();
190 XMLNodeIterator niter;
192 Stateful::save_extra_xml (node);
194 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
196 if ((*niter)->name() == X_("Automation")) {
200 if ((prop = (*niter)->property ("path")) != 0) {
201 old_set_automation_state (*(*niter));
203 set_automation_xml_state (*(*niter), Evoral::Parameter(PluginAutomation));
206 } else if ((*niter)->name() == "Redirect") {
207 if ( !(legacy_active = (*niter)->property("active"))) {
208 error << string_compose(_("No %1 property flag in element %2"), "active", (*niter)->name()) << endl;
213 if ((prop = node.property ("active")) == 0) {
215 prop = legacy_active;
217 error << _("No child node with active property") << endmsg;
222 bool const a = string_is_affirmative (prop->value ());
231 if ((prop = node.property ("user-latency")) != 0) {
232 _user_latency = atoi (prop->value ());
238 /** @pre Caller must hold process lock */
240 Processor::configure_io (ChanCount in, ChanCount out)
242 /* This class assumes 1:1 input:output.static output stream count.
243 Derived classes must override and set _configured_output appropriately
244 if this is not the case
247 _configured_input = in;
248 _configured_output = out;
251 ConfigurationChanged (in, out); /* EMIT SIGNAL */
257 Processor::set_display_to_user (bool yn)
259 _display_to_user = yn;
263 Processor::set_pre_fader (bool p)
269 Processor::set_ui (void* p)
275 Processor::set_owner (SessionObject* o)
281 Processor::owner() const