/*
- Copyright (C) 2001 Paul Davis
+ 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
#include <unistd.h>
#include <sstream>
-#include <sigc++/bind.h>
#include "pbd/xml++.h"
#include "pbd/enumwriter.h"
/* create an IOProcessor that proxies to an existing IO object */
-IOProcessor::IOProcessor (Session& s, boost::shared_ptr<IO> in, boost::shared_ptr<IO> out,
+IOProcessor::IOProcessor (Session& s, boost::shared_ptr<IO> in, boost::shared_ptr<IO> out,
const string& proc_name, DataType /*dtype*/)
: Processor(s, proc_name)
, _input (in)
IOProcessor::~IOProcessor ()
{
- notify_callbacks ();
}
void
IOProcessor::state (bool full_state)
{
XMLNode& node (Processor::state (full_state));
-
+
if (_own_input) {
node.add_property ("own-input", "yes");
if (_input) {
node.add_property ("input", _input->name());
}
}
-
+
if (_own_output) {
node.add_property ("own-output", "yes");
if (_output) {
XMLNode& o (_output->state (full_state));
- // o.name() = X_("output");
node.add_child_nocopy (o);
}
} else {
}
int
-IOProcessor::set_state (const XMLNode& node)
+IOProcessor::set_state (const XMLNode& node, int version)
{
const XMLProperty *prop;
const XMLNode *io_node = 0;
- Processor::set_state(node);
+ Processor::set_state(node, version);
if ((prop = node.property ("own-input")) != 0) {
- _own_input = (prop->value() == "yes");
+ _own_input = string_is_affirmative (prop->value());
}
if ((prop = node.property ("own-output")) != 0) {
- _own_output = (prop->value() == "yes");
+ _own_output = string_is_affirmative (prop->value());
}
/* don't attempt to set state for a proxied IO that we don't own */
XMLNodeList nlist = node.children();
XMLNodeIterator niter;
-
+ const string instr = enum_2_string (IO::Input);
+ const string outstr = enum_2_string (IO::Output);
+
if (_own_input) {
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == "input") {
- io_node = (*niter);
- break;
+ const XMLProperty* prop;
+ if ((prop = (*niter)->property ("name")) != 0) {
+ if (_name == prop->value()) {
+ if ((prop = (*niter)->property ("direction")) != 0) {
+ if (prop->value() == instr) {
+ io_node = (*niter);
+ break;
+ }
+ }
+ }
}
}
-
+
if (io_node) {
- _input->set_state(*io_node);
-
+ _input->set_state(*io_node, version);
+
// legacy sessions: use IO name
if ((prop = node.property ("name")) == 0) {
set_name (_input->name());
}
-
+
} else {
- /* no input */
+ /* no input, which is OK */
}
}
-
+
if (_own_output) {
for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == "output") {
- io_node = (*niter);
- break;
+ if ((*niter)->name() == "IO") {
+ const XMLProperty* prop;
+ if ((prop = (*niter)->property ("name")) != 0) {
+ if (_name == prop->value()) {
+ if ((prop = (*niter)->property ("direction")) != 0) {
+ if (prop->value() == outstr) {
+ io_node = (*niter);
+ break;
+ }
+ }
+ }
+ }
}
}
-
+
if (io_node) {
- _output->set_state(*io_node);
-
+ _output->set_state(*io_node, version);
+
// legacy sessions: use IO name
if ((prop = node.property ("name")) == 0) {
set_name (_output->name());
}
} else {
- /* no output */
+ /* no output, which is OK */
}
}
}
}
-ChanCount
-IOProcessor::output_streams() const
-{
- return _output ? _output->n_ports() : ChanCount::ZERO;
-}
-
-ChanCount
-IOProcessor::input_streams () const
-{
- return _input ? _input->n_ports() : ChanCount::ZERO;
-}
-
ChanCount
IOProcessor::natural_output_streams() const
{