/*
- 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 a new IO object */
-IOProcessor::IOProcessor (Session& s, const string& proc_name, const string io_name, DataType dtype)
+IOProcessor::IOProcessor (Session& s, bool with_input, bool with_output,
+ 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;
+ /* these are true in this constructor whether we actually create the associated
+ IO objects or not.
+ */
+
+ _own_input = true;
+ _own_output = true;
+
+ if (with_input) {
+ _input.reset (new IO(s, io_name.empty() ? proc_name : io_name, IO::Input, dtype));
+ }
+
+ if (with_output) {
+ _output.reset (new IO(s, io_name.empty() ? proc_name : io_name, IO::Output, dtype));
+ }
}
/* create an IOProcessor that proxies to an existing IO object */
-IOProcessor::IOProcessor (Session& s, IO* io, const string& proc_name, DataType dtype)
+IOProcessor::IOProcessor (Session& s, boost::shared_ptr<IO> in, boost::shared_ptr<IO> out,
+ const string& proc_name, DataType /*dtype*/)
: Processor(s, proc_name)
- , _io (io)
+ , _input (in)
+ , _output (out)
{
- _own_io = false;
+ if (in) {
+ _own_input = false;
+ } else {
+ _own_input = true;
+ }
+
+ if (out) {
+ _own_output = false;
+ } else {
+ _own_output = true;
+ }
}
IOProcessor::~IOProcessor ()
{
- notify_callbacks ();
}
void
-IOProcessor::set_io (boost::shared_ptr<IO> io)
+IOProcessor::set_input (boost::shared_ptr<IO> io)
+{
+ /* CALLER MUST HOLD PROCESS LOCK */
+
+ _input = io;
+ _own_input = false;
+}
+
+void
+IOProcessor::set_output (boost::shared_ptr<IO> io)
{
/* CALLER MUST HOLD PROCESS LOCK */
- _io = io;
- _own_io = false;
+ _output = io;
+ _own_output = 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");
+
+ if (_own_input) {
+ node.add_property ("own-input", "yes");
+ if (_input) {
+ XMLNode& i (_input->state (full_state));
+ // i.name() = X_("output");
+ node.add_child_nocopy (i);
+ }
} else {
- node.add_property ("own-io", "no");
- node.add_property ("io", _io->name());
+ node.add_property ("own-input", "no");
+ 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));
+ node.add_child_nocopy (o);
+ }
+ } else {
+ node.add_property ("own-output", "no");
+ if (_output) {
+ node.add_property ("output", _output->name());
+ }
}
return node;
}
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-io")) != 0) {
- _own_io = prop->value() == "yes";
+ if ((prop = node.property ("own-input")) != 0) {
+ _own_input = string_is_affirmative (prop->value());
}
- /* don't attempt to set state for a proxied IO that we don't own */
-
- if (!_own_io) {
+ if ((prop = node.property ("own-output")) != 0) {
+ _own_output = string_is_affirmative (prop->value());
+ }
- /* look up the IO object we're supposed to proxy to */
+ /* don't attempt to set state for a proxied IO that we don't own */
- if ((prop = node.property ("io")) == 0) {
- fatal << "IOProcessor has no named IO object" << endmsg;
- /*NOTREACHED*/
+ 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) {
+ const XMLProperty* prop;
+ if ((prop = (*niter)->property ("name")) != 0) {
+ if (prop->value() == _name) {
+ if ((prop = (*niter)->property ("direction")) != 0) {
+ if (prop->value() == instr) {
+ io_node = (*niter);
+ break;
+ }
+ }
+ }
+ }
}
- 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*/
- }
+ if (io_node) {
+ _input->set_state(*io_node, version);
- /* gotcha */
+ // legacy sessions: use IO name
+ if ((prop = node.property ("name")) == 0) {
+ set_name (_input->name());
+ }
- _io = boost::static_pointer_cast<IO> (r);
+ } else {
+ /* no input, which is OK */
+ }
- 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 (_own_output) {
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ if ((*niter)->name() == "IO") {
+ const XMLProperty* prop;
+ if ((prop = (*niter)->property ("name")) != 0) {
+ if (prop->value() == _name) {
+ if ((prop = (*niter)->property ("direction")) != 0) {
+ if (prop->value() == outstr) {
+ io_node = (*niter);
+ break;
+ }
+ }
+ }
}
}
}
- }
- if (io_node) {
- _io->set_state(*io_node);
+ if (io_node) {
+ _output->set_state(*io_node, version);
- // legacy sessions: use IO name
- if ((prop = node.property ("name")) == 0) {
- set_name (_io->name());
+ // legacy sessions: use IO name
+ if ((prop = node.property ("name")) == 0) {
+ set_name (_output->name());
+ }
+ } else {
+ /* no output, which is OK */
}
-
- } 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);
+ if (_own_output && _output) {
+ _output->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();
+ return _output ? _output->n_ports() : ChanCount::ZERO;
}
ChanCount
IOProcessor::natural_input_streams () const
{
- return _io->n_inputs();
+ return _input ? _input->n_ports() : ChanCount::ZERO;
}
-void
-IOProcessor::automation_snapshot (nframes_t now, bool force)
+bool
+IOProcessor::set_name (const std::string& name)
{
- if (_own_io) {
- _io->automation_snapshot(now, force);
+ bool ret = SessionObject::set_name (name);
+
+ if (ret && _own_input && _input) {
+ ret = _input->set_name (name);
+ }
+
+ if (ret && _own_output && _output) {
+ ret = _output->set_name (name);
}
+
+ return ret;
}
bool
-IOProcessor::set_name (const std::string& name)
+IOProcessor::feeds (boost::shared_ptr<Route> other) const
{
- bool ret = SessionObject::set_name (name);
+ return _output && _output->connected_to (other->input());
+}
- if (ret && _own_io) {
- ret = _io->set_name (name);
+void
+IOProcessor::disconnect ()
+{
+ if (_input) {
+ _input->disconnect (this);
}
- return ret;
+ if (_output) {
+ _output->disconnect (this);
+ }
}
projects / ardour.git / blobdiff