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"
41 #ifdef WINDOWS_VST_SUPPORT
42 #include "ardour/windows_vst_plugin.h"
45 #ifdef AUDIOUNIT_SUPPORT
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())
80 , _pending_active(other._pending_active)
81 , _active(other._active)
82 , _next_ab_is_active(false)
84 , _display_to_user (true)
91 Processor::get_state (void)
98 <Automation [optionally with visible="...." ]>
100 <AutomationList id=N>
111 Processor::state (bool full_state)
113 XMLNode* node = new XMLNode (state_node_name);
116 id().print (buf, sizeof (buf));
117 node->add_property("id", buf);
118 node->add_property("name", _name);
119 node->add_property("active", active() ? "yes" : "no");
122 node->add_child_copy (*_extra_xml);
126 XMLNode& automation = Automatable::get_automation_xml_state();
127 if (!automation.children().empty() || !automation.properties().empty()) {
128 node->add_child_nocopy (automation);
132 snprintf (buf, sizeof (buf), "%" PRId64, _user_latency);
133 node->add_property("user-latency", buf);
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 if ((prop = (*i)->property ("active")) != 0) {
156 bool const a = string_is_affirmative (prop->value ());
172 Processor::set_state (const XMLNode& node, int version)
174 if (version < 3000) {
175 return set_state_2X (node, version);
178 const XMLProperty *prop;
179 const XMLProperty *legacy_active = 0;
180 bool leave_name_alone = (node.property ("ignore-name") != 0);
182 if (!leave_name_alone) {
183 // may not exist for legacy 3.0 sessions
184 if ((prop = node.property ("name")) != 0) {
185 /* don't let derived classes have a crack at set_name,
186 as some (like Send) will screw with the one we suggest.
188 Processor::set_name (prop->value());
194 XMLNodeList nlist = node.children();
195 XMLNodeIterator niter;
197 Stateful::save_extra_xml (node);
199 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
201 if ((*niter)->name() == X_("Automation")) {
205 if ((prop = (*niter)->property ("path")) != 0) {
206 old_set_automation_state (*(*niter));
208 set_automation_xml_state (*(*niter), Evoral::Parameter(PluginAutomation));
211 } else if ((*niter)->name() == "Redirect") {
212 if ( !(legacy_active = (*niter)->property("active"))) {
213 error << string_compose(_("No %1 property flag in element %2"), "active", (*niter)->name()) << endl;
218 if ((prop = node.property ("active")) == 0) {
220 prop = legacy_active;
222 error << _("No child node with active property") << endmsg;
227 bool const a = string_is_affirmative (prop->value ());
236 if ((prop = node.property ("user-latency")) != 0) {
237 _user_latency = atoi (prop->value ());
243 /** @pre Caller must hold process lock */
245 Processor::configure_io (ChanCount in, ChanCount out)
247 /* This class assumes 1:1 input:output.static output stream count.
248 Derived classes must override and set _configured_output appropriately
249 if this is not the case
252 _configured_input = in;
253 _configured_output = out;
256 ConfigurationChanged (in, out); /* EMIT SIGNAL */
262 Processor::set_display_to_user (bool yn)
264 _display_to_user = yn;
268 Processor::set_pre_fader (bool p)
274 Processor::set_ui (void* p)