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, const string& proc_name, const string io_name, DataType dtype)
50 : Processor(s, proc_name)
51 , _io (new IO(s, io_name.empty() ? proc_name : io_name, dtype))
56 /* create an IOProcessor that proxies to an existing IO object */
58 IOProcessor::IOProcessor (Session& s, IO* io, const string& proc_name, DataType dtype)
59 : Processor(s, proc_name)
65 IOProcessor::~IOProcessor ()
71 IOProcessor::set_io (boost::shared_ptr<IO> io)
73 /* CALLER MUST HOLD PROCESS LOCK */
80 IOProcessor::state (bool full_state)
82 XMLNode& node (Processor::state (full_state));
85 node.add_child_nocopy (_io->state (full_state));
86 node.add_property ("own-io", "yes");
88 node.add_property ("own-io", "no");
89 node.add_property ("io", _io->name());
96 IOProcessor::set_state (const XMLNode& node)
98 const XMLProperty *prop;
99 const XMLNode *io_node = 0;
101 Processor::set_state(node);
103 if ((prop = node.property ("own-io")) != 0) {
104 _own_io = prop->value() == "yes";
107 /* don't attempt to set state for a proxied IO that we don't own */
111 /* look up the IO object we're supposed to proxy to */
113 if ((prop = node.property ("io")) == 0) {
114 fatal << "IOProcessor has no named IO object" << endmsg;
118 boost::shared_ptr<Route> r = _session.route_by_name (prop->value());
121 fatal << string_compose ("IOProcessor uses an unknown IO object called %1", prop->value()) << endmsg;
127 _io = boost::static_pointer_cast<IO> (r);
132 XMLNodeList nlist = node.children();
133 XMLNodeIterator niter;
135 for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
136 if ((*niter)->name() == IO::state_node_name) {
139 } else if ((*niter)->name() == "Redirect") {
140 XMLNodeList rlist = (*niter)->children();
141 XMLNodeIterator riter;
143 for (riter = rlist.begin(); riter != rlist.end(); ++riter) {
144 if ( (*riter)->name() == IO::state_node_name) {
145 warning << _("Found legacy IO in a redirect") << endmsg;
154 _io->set_state(*io_node);
156 // legacy sessions: use IO name
157 if ((prop = node.property ("name")) == 0) {
158 set_name (_io->name());
162 error << _("XML node describing a redirect is missing an IO node") << endmsg;
170 IOProcessor::silence (nframes_t nframes)
173 _io->silence (nframes);
178 IOProcessor::output_streams() const
180 return _io->n_outputs();
184 IOProcessor::input_streams () const
186 return _io->n_inputs();
190 IOProcessor::natural_output_streams() const
192 return _io->n_outputs();
196 IOProcessor::natural_input_streams () const
198 return _io->n_inputs();
202 IOProcessor::automation_snapshot (nframes_t now, bool force)
205 _io->automation_snapshot(now, force);
210 IOProcessor::set_name (const std::string& name)
212 bool ret = SessionObject::set_name (name);
214 if (ret && _own_io) {
215 ret = _io->set_name (name);