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)
70 , _display_to_user (true)
76 Processor::get_state (void)
83 <Automation [optionally with visible="...." ]>
96 Processor::state (bool full_state
)
98 XMLNode
* node
= new XMLNode (state_node_name
);
101 id().print (buf
, sizeof (buf
));
102 node
->add_property("id", buf
);
103 node
->add_property("name", _name
);
104 node
->add_property("active", active() ? "yes" : "no");
107 node
->add_child_copy (*_extra_xml
);
111 XMLNode
& automation
= Automatable::get_automation_state();
112 if (!automation
.children().empty()
113 || !automation
.properties().empty()
114 || !_visible_controls
.empty()) {
117 for (set
<Evoral::Parameter
>::iterator x
= _visible_controls
.begin();
118 x
!= _visible_controls
.end(); ++x
) {
119 if (x
!= _visible_controls
.begin()) {
125 automation
.add_property ("visible", sstr
.str());
126 node
->add_child_nocopy (automation
);
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 ());
148 if ((prop
= (*i
)->property ("id")) != 0) {
149 _id
= prop
->value ();
152 if ((prop
= (*i
)->property ("active")) != 0) {
153 if (_active
!= string_is_affirmative (prop
->value())) {
155 _pending_active
= _active
;
156 ActiveChanged (); /* EMIT_SIGNAL */
166 Processor::set_state (const XMLNode
& node
, int version
)
168 if (version
< 3000) {
169 return set_state_2X (node
, version
);
172 const XMLProperty
*prop
;
173 const XMLProperty
*legacy_active
= 0;
175 // may not exist for legacy 3.0 sessions
176 if ((prop
= node
.property ("name")) != 0) {
177 set_name(prop
->value());
180 // may not exist for legacy 3.0 sessions
181 if ((prop
= node
.property ("id")) != 0) {
185 XMLNodeList nlist
= node
.children();
186 XMLNodeIterator niter
;
188 for (niter
= nlist
.begin(); niter
!= nlist
.end(); ++niter
) {
190 if ((*niter
)->name() == X_("Automation")) {
194 if ((prop
= (*niter
)->property ("path")) != 0) {
195 old_set_automation_state (*(*niter
));
197 set_automation_state (*(*niter
), Evoral::Parameter(PluginAutomation
));
200 if ((prop
= (*niter
)->property ("visible")) != 0) {
204 _visible_controls
.clear ();
206 sstr
<< prop
->value();
212 // FIXME: other automation types?
213 mark_automation_visible (Evoral::Parameter(PluginAutomation
, 0, what
), true);
217 } else if ((*niter
)->name() == "Extra") {
218 _extra_xml
= new XMLNode (*(*niter
));
219 } else if ((*niter
)->name() == "Redirect") {
220 if ( !(legacy_active
= (*niter
)->property("active"))) {
221 error
<< string_compose(_("No %1 property flag in element %2"), "active", (*niter
)->name()) << endl
;
226 if ((prop
= node
.property ("active")) == 0) {
228 prop
= legacy_active
;
230 error
<< _("No child node with active property") << endmsg
;
235 if (_active
!= string_is_affirmative (prop
->value())) {
237 _pending_active
= _active
;
238 ActiveChanged (); /* EMIT_SIGNAL */
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
)