2 Copyright (C) 2001 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.
27 #include <sigc++/bind.h>
29 #include "pbd/xml++.h"
30 #include "pbd/enumwriter.h"
32 #include "ardour/io_processor.h"
33 #include "ardour/session.h"
34 #include "ardour/utils.h"
35 #include "ardour/send.h"
36 #include "ardour/port_insert.h"
37 #include "ardour/plugin_insert.h"
38 #include "ardour/io.h"
39 #include "ardour/route.h"
44 using namespace ARDOUR;
47 /* create an IOProcessor that proxies to a new IO object */
49 IOProcessor::IOProcessor (Session& s, bool with_input, bool with_output,
50 const string& proc_name, const string io_name, DataType dtype)
51 : Processor(s, proc_name)
53 /* these are true in this constructor whether we actually create the associated
61 _input.reset (new IO(s, io_name.empty() ? proc_name : io_name, IO::Input, dtype));
65 _output.reset (new IO(s, io_name.empty() ? proc_name : io_name, IO::Output, dtype));
69 /* create an IOProcessor that proxies to an existing IO object */
71 IOProcessor::IOProcessor (Session& s, boost::shared_ptr<IO> in, boost::shared_ptr<IO> out,
72 const string& proc_name, DataType dtype)
73 : Processor(s, proc_name)
90 IOProcessor::~IOProcessor ()
96 IOProcessor::set_input (boost::shared_ptr<IO> io)
98 /* CALLER MUST HOLD PROCESS LOCK */
105 IOProcessor::set_output (boost::shared_ptr<IO> io)
107 /* CALLER MUST HOLD PROCESS LOCK */
114 IOProcessor::state (bool full_state)
116 XMLNode& node (Processor::state (full_state));
119 node.add_property ("own-input", "yes");
121 XMLNode& i (_input->state (full_state));
122 // i.name() = X_("output");
123 node.add_child_nocopy (i);
126 node.add_property ("own-input", "no");
128 node.add_property ("input", _input->name());
133 node.add_property ("own-output", "yes");
135 XMLNode& o (_output->state (full_state));
136 // o.name() = X_("output");
137 node.add_child_nocopy (o);
140 node.add_property ("own-output", "no");
142 node.add_property ("output", _output->name());
150 IOProcessor::set_state (const XMLNode& node)
152 const XMLProperty *prop;
153 const XMLNode *io_node = 0;
155 Processor::set_state(node);
157 if ((prop = node.property ("own-input")) != 0) {
158 _own_input = (prop->value() == "yes");
161 if ((prop = node.property ("own-output")) != 0) {
162 _own_output = (prop->value() == "yes");
165 /* don't attempt to set state for a proxied IO that we don't own */
167 XMLNodeList nlist = node.children();
168 XMLNodeIterator niter;
171 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
172 if ((*niter)->name() == "input") {
179 _input->set_state(*io_node);
181 // legacy sessions: use IO name
182 if ((prop = node.property ("name")) == 0) {
183 set_name (_input->name());
193 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
194 if ((*niter)->name() == "output") {
201 _output->set_state(*io_node);
203 // legacy sessions: use IO name
204 if ((prop = node.property ("name")) == 0) {
205 set_name (_output->name());
216 IOProcessor::silence (nframes_t nframes)
218 if (_own_output && _output) {
219 _output->silence (nframes);
224 IOProcessor::output_streams() const
226 return _output ? _output->n_ports() : ChanCount::ZERO;
230 IOProcessor::input_streams () const
232 return _input ? _input->n_ports() : ChanCount::ZERO;
236 IOProcessor::natural_output_streams() const
238 return _output ? _output->n_ports() : ChanCount::ZERO;
242 IOProcessor::natural_input_streams () const
244 return _input ? _input->n_ports() : ChanCount::ZERO;
248 IOProcessor::set_name (const std::string& name)
250 bool ret = SessionObject::set_name (name);
252 if (ret && _own_input && _input) {
253 ret = _input->set_name (name);
256 if (ret && _own_output && _output) {
257 ret = _output->set_name (name);
264 IOProcessor::feeds (boost::shared_ptr<Route> other) const
266 return _output && _output->connected_to (other->input());