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"
27 #include "pbd/types_convert.h"
29 #include "ardour/automatable.h"
30 #include "ardour/chan_count.h"
31 #include "ardour/processor.h"
32 #include "ardour/types.h"
34 #ifdef WINDOWS_VST_SUPPORT
35 #include "ardour/windows_vst_plugin.h"
38 #ifdef AUDIOUNIT_SUPPORT
39 #include "ardour/audio_unit.h"
42 #include "ardour/audioengine.h"
43 #include "ardour/session.h"
44 #include "ardour/types.h"
49 using namespace ARDOUR;
52 namespace ARDOUR { class Session; }
54 // Always saved as Processor, but may be IOProcessor or Send in legacy sessions
55 const string Processor::state_node_name = "Processor";
57 Processor::Processor(Session& session, const string& name)
58 : SessionObject(session, name)
59 , Automatable (session)
60 , _pending_active(false)
62 , _next_ab_is_active(false)
64 , _display_to_user (true)
73 Processor::Processor (const Processor& other)
74 : Evoral::ControlSet (other)
75 , SessionObject (other.session(), other.name())
76 , Automatable (other.session())
78 , _pending_active(other._pending_active)
79 , _active(other._active)
80 , _next_ab_is_active(false)
82 , _display_to_user (true)
92 Processor::get_state (void)
99 <Automation [optionally with visible="...." ]>
101 <AutomationList id=N>
112 Processor::state (bool full_state)
114 XMLNode* node = new XMLNode (state_node_name);
116 node->set_property("id", id());
117 node->set_property("name", name());
118 node->set_property("active", active());
121 node->add_child_copy (*_extra_xml);
125 XMLNode& automation = Automatable::get_automation_xml_state();
126 if (!automation.children().empty() || !automation.properties().empty()) {
127 node->add_child_nocopy (automation);
133 node->set_property("user-latency", _user_latency);
139 Processor::set_state_2X (const XMLNode & node, int /*version*/)
141 XMLProperty const * prop;
143 XMLNodeList children = node.children ();
145 for (XMLNodeIterator i = children.begin(); i != children.end(); ++i) {
147 if ((*i)->name() == X_("IO")) {
149 if ((prop = (*i)->property ("name")) != 0) {
150 set_name (prop->value ());
155 //note: in A2, active state was stored in the Redirect node, not the child IO node
157 * if ((prop = (*i)->property ("active")) != 0) {
158 bool const a = string_is_affirmative (prop->value ());
175 Processor::set_state (const XMLNode& node, int version)
177 if (version < 3000) {
178 return set_state_2X (node, version);
182 // Only testing for the presence of the property not value
183 if (!node.get_property("ignore-name", ignore_name)) {
185 // may not exist for legacy 3.0 sessions
186 if (node.get_property ("name", name)) {
187 /* don't let derived classes have a crack at set_name,
188 as some (like Send) will screw with the one we suggest.
190 Processor::set_name (name);
196 XMLNodeList nlist = node.children();
197 XMLNodeIterator niter;
199 Stateful::save_extra_xml (node);
201 XMLProperty const * prop = 0;
202 XMLProperty const * legacy_active = 0;
204 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
206 if ((*niter)->name() == X_("Automation")) {
208 if ((prop = (*niter)->property ("path")) != 0) {
209 old_set_automation_state (*(*niter));
211 set_automation_xml_state (*(*niter), Evoral::Parameter(PluginAutomation));
214 } else if ((*niter)->name() == "Redirect") {
215 if ( !(legacy_active = (*niter)->property("active"))) {
216 error << string_compose(_("No %1 property flag in element %2"), "active", (*niter)->name()) << endl;
221 if ((prop = node.property ("active")) == 0) {
223 prop = legacy_active;
225 error << _("No child node with active property") << endmsg;
230 bool const a = string_to<bool> (prop->value ()) && !_session.get_bypass_all_loaded_plugins();
239 node.get_property ("user-latency", _user_latency);
244 /** @pre Caller must hold process lock */
246 Processor::configure_io (ChanCount in, ChanCount out)
248 /* This class assumes 1:1 input:output.static output stream count.
249 Derived classes must override and set _configured_output appropriately
250 if this is not the case
253 _configured_input = in;
254 _configured_output = out;
257 ConfigurationChanged (in, out); /* EMIT SIGNAL */
263 Processor::set_display_to_user (bool yn)
265 _display_to_user = yn;
269 Processor::set_pre_fader (bool p)
275 Processor::set_owner (SessionObject* o)
281 Processor::owner() const