/*
- 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 <fstream>
-#include <algorithm>
+#include <list>
#include <string>
-#include <cerrno>
-#include <unistd.h>
-#include <sstream>
-#include <sigc++/bind.h>
+#include "pbd/xml++.h"
+#include "pbd/enumwriter.h"
-#include <pbd/xml++.h>
-#include <pbd/enumwriter.h>
+#include "ardour/chan_count.h"
+#include "ardour/data_type.h"
+#include "ardour/io.h"
+#include "ardour/io_processor.h"
+#include "ardour/processor.h"
+#include "ardour/route.h"
+#include "ardour/session_object.h"
+#include "ardour/types.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 "i18n.h"
+#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
-IOProcessor::IOProcessor (Session& s, const string& name, Placement p,
- int input_min, int input_max,
- int output_min, int output_max)
- : Processor(s, name, p)
- , _io(new IO(s, name, input_min, input_max, output_min, output_max))
+namespace ARDOUR { class Session; }
+
+/* create an IOProcessor that proxies to a new IO object */
+
+IOProcessor::IOProcessor (Session& s, bool with_input, bool with_output,
+ const string& proc_name, const string io_name, DataType dtype, bool sendish)
+ : Processor(s, proc_name)
+{
+ /* 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, sendish));
+ }
+
+ if (with_output) {
+ _output.reset (new IO(s, io_name.empty() ? proc_name : io_name, IO::Output, dtype, sendish));
+ }
+}
+
+/* create an IOProcessor that proxies to an existing IO object */
+
+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)
+ , _output (out)
{
- _active = false;
- _sort_key = 0;
- _gui = 0;
- _extra_xml = 0;
+ 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_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 */
+
+ _output = io;
+ _own_output = false;
}
XMLNode&
-IOProcessor::state (bool full_state)
+IOProcessor::state ()
{
- XMLNode& node = Processor::state(full_state);
-
- node.add_child_nocopy (_io->state (full_state));
+ XMLNode& node (Processor::state ());
+
+ node.set_property ("own-input", _own_input);
+
+ if (_input) {
+ if (_own_input) {
+ XMLNode& i (_input->get_state ());
+ // i.name() = X_("output");
+ node.add_child_nocopy (i);
+ } else {
+ node.set_property ("input", _input->name ());
+ }
+ }
+
+ node.set_property ("own-output", _own_output);
+
+ if (_output) {
+ if (_own_output) {
+ XMLNode& o (_output->get_state ());
+ node.add_child_nocopy (o);
+ } else {
+ node.set_property ("output", _output->name ());
+ }
+ }
return node;
}
int
-IOProcessor::set_state (const XMLNode& node)
+IOProcessor::set_state (const XMLNode& node, int version)
{
- const XMLProperty *prop;
+ if (version < 3000) {
+ return set_state_2X (node, version);
+ }
+
+ XMLProperty const * prop;
+ const XMLNode *io_node = 0;
+
+ Processor::set_state(node, version);
- Processor::set_state(node);
+ bool ignore_name = node.property ("ignore-name");
+
+ node.get_property ("own-input", _own_input);
+ node.get_property ("own-output", _own_output);
+
+ /* don't attempt to set state for a proxied IO that we don't own */
XMLNodeList nlist = node.children();
XMLNodeIterator niter;
- bool have_io = false;
+ const string instr = enum_2_string (IO::Input);
+ const string outstr = enum_2_string (IO::Output);
+
+ std::string str;
+ if (_own_input && _input) {
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ if ((*niter)->get_property ("name", str) && (_name == str || ignore_name)) {
+ if ((*niter)->get_property ("direction", str) && str == instr) {
+ io_node = (*niter);
+ break;
+ }
+ }
+ }
- for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
- if ((*niter)->name() == IO::state_node_name) {
- have_io = true;
- _io->set_state(**niter);
+ if (io_node) {
+ _input->set_state(*io_node, version);
// legacy sessions: use IO name
if ((prop = node.property ("name")) == 0) {
- set_name(_io->name());
+ set_name (_input->name());
}
+
+ } else {
+ /* no input, which is OK */
}
+
}
- if (!have_io) {
- error << _("XML node describing a redirect is missing an IO node") << endmsg;
- return -1;
+ if (_own_output && _output) {
+ for (niter = nlist.begin(); niter != nlist.end(); ++niter) {
+ if ((*niter)->name() == "IO") {
+ if ((*niter)->get_property ("name", str) && (_name == str || ignore_name)) {
+ if ((*niter)->get_property ("direction", str) && str == outstr) {
+ io_node = (*niter);
+ break;
+ }
+ }
+ }
+ }
+
+ if (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, which is OK */
+ }
}
return 0;
}
+int
+IOProcessor::set_state_2X (const XMLNode& node, int version)
+{
+ _own_input = _own_output = true;
+
+ Processor::set_state_2X (node, version);
+
+ return 0;
+}
+
+void
+IOProcessor::silence (samplecnt_t nframes, samplepos_t /* start_sample */)
+{
+ if (_own_output && _output) {
+ _output->silence (nframes);
+ }
+}
+
void
-IOProcessor::silence (nframes_t nframes, nframes_t offset)
+IOProcessor::increment_port_buffer_offset (pframes_t offset)
+{
+ if (_own_output && _output) {
+ _output->increment_port_buffer_offset (offset);
+ }
+}
+
+ChanCount
+IOProcessor::natural_output_streams() const
+{
+ return _output ? _output->n_ports() : ChanCount::ZERO;
+}
+
+ChanCount
+IOProcessor::natural_input_streams () const
{
- _io->silence(nframes, offset);
+ return _input ? _input->n_ports() : ChanCount::ZERO;
+}
+
+bool
+IOProcessor::set_name (const std::string& name)
+{
+ 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::feeds (boost::shared_ptr<Route> other) const
+{
+ return _output && _output->connected_to (other->input());
+}
+
+void
+IOProcessor::disconnect ()
+{
+ if (_input) {
+ _input->disconnect (this);
+ }
+
+ if (_output) {
+ _output->disconnect (this);
+ }
+}
+
+/** Set up the XML description of a send so that we will not
+ * reset its name or bitslot during ::set_state()
+ * @param state XML send state.
+ * @param session Session.
+ */
+void
+IOProcessor::prepare_for_reset (XMLNode &state, const std::string& name)
+{
+ state.set_property ("ignore-bitslot", true);
+ state.set_property ("ignore-name", true);
+
+ XMLNode* io_node = state.child (IO::state_node_name.c_str());
+
+ if (io_node) {
+ IO::prepare_for_reset (*io_node, name);
+ }
}