1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/*
Copyright (C) 2001 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <fstream>
#include <algorithm>
#include <string>
#include <cerrno>
#include <unistd.h>
#include <sstream>
#include <sigc++/bind.h>
#include "pbd/xml++.h"
#include "pbd/enumwriter.h"
#include "ardour/io_processor.h"
#include "ardour/session.h"
#include "ardour/utils.h"
#include "ardour/send.h"
#include "ardour/port_insert.h"
#include "ardour/plugin_insert.h"
#include "ardour/io.h"
#include "ardour/route.h"
#include "i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
/* create an IOProcessor that proxies to a new IO object */
IOProcessor::IOProcessor (Session& s, const string& proc_name, const string io_name, DataType dtype)
: Processor(s, proc_name)
, _io (new IO(s, io_name.empty() ? proc_name : io_name, dtype))
{
_own_io = true;
}
/* create an IOProcessor that proxies to an existing IO object */
IOProcessor::IOProcessor (Session& s, IO* io, const string& proc_name, DataType dtype)
: Processor(s, proc_name)
, _io (io)
{
_own_io = false;
}
IOProcessor::~IOProcessor ()
{
notify_callbacks ();
}
void
IOProcessor::set_io (boost::shared_ptr<IO> io)
{
/* CALLER MUST HOLD PROCESS LOCK */
_io = io;
_own_io = false;
}
XMLNode&
IOProcessor::state (bool full_state)
{
XMLNode& node (Processor::state (full_state));
if (_own_io) {
node.add_child_nocopy (_io->state (full_state));
node.add_property ("own-io", "yes");
} else {
node.add_property ("own-io", "no");
node.add_property ("io", _io->name());
}
return node;
}
int
IOProcessor::set_state (const XMLNode& node)
{
const XMLProperty *prop;
const XMLNode *io_node = 0;
Processor::set_state(node);
if ((prop = node.property ("own-io")) != 0) {
_own_io = prop->value() == "yes";
}
/* don't attempt to set state for a proxied IO that we don't own */
if (!_own_io) {
/* look up the IO object we're supposed to proxy to */
if ((prop = node.property ("io")) == 0) {
fatal << "IOProcessor has no named IO object" << endmsg;
/*NOTREACHED*/
}
boost::shared_ptr<Route> r = _session.route_by_name (prop->value());
if (!r) {
fatal << string_compose ("IOProcessor uses an unknown IO object called %1", prop->value()) << endmsg;
/*NOTREACHED*/
}
/* gotcha */
_io = boost::static_pointer_cast<IO> (r);
return 0;
}
XMLNodeList nlist = node.children();
XMLNodeIterator niter;
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
if ((*niter)->name() == IO::state_node_name) {
io_node = (*niter);
break;
} else if ((*niter)->name() == "Redirect") {
XMLNodeList rlist = (*niter)->children();
XMLNodeIterator riter;
for (riter = rlist.begin(); riter != rlist.end(); ++riter) {
if ( (*riter)->name() == IO::state_node_name) {
warning << _("Found legacy IO in a redirect") << endmsg;
io_node = (*riter);
break;
}
}
}
}
if (io_node) {
_io->set_state(*io_node);
// legacy sessions: use IO name
if ((prop = node.property ("name")) == 0) {
set_name (_io->name());
}
} else {
error << _("XML node describing a redirect is missing an IO node") << endmsg;
return -1;
}
return 0;
}
void
IOProcessor::silence (nframes_t nframes)
{
if (_own_io) {
_io->silence (nframes);
}
}
ChanCount
IOProcessor::output_streams() const
{
return _io->n_outputs();
}
ChanCount
IOProcessor::input_streams () const
{
return _io->n_inputs();
}
ChanCount
IOProcessor::natural_output_streams() const
{
return _io->n_outputs();
}
ChanCount
IOProcessor::natural_input_streams () const
{
return _io->n_inputs();
}
void
IOProcessor::automation_snapshot (nframes_t now, bool force)
{
if (_own_io) {
_io->automation_snapshot(now, force);
}
}
bool
IOProcessor::set_name (const std::string& name)
{
bool ret = SessionObject::set_name (name);
if (ret && _own_io) {
ret = _io->set_name (name);
}
return ret;
}
|
