bool Port::_connecting_blocked = false;
pframes_t Port::_global_port_buffer_offset = 0;
pframes_t Port::_cycle_nframes = 0;
+std::string Port::state_node_name = X_("Port");
/* a handy define to shorten what would otherwise be a needlessly verbose
* repeated phrase
assert (_name.find_first_of (':') == std::string::npos);
- if (!port_engine.connected()) {
- throw failed_constructor ();
- }
-
if ((_port_handle = port_engine.register_port (_name, t, _flags)) == 0) {
cerr << "Failed to register port \"" << _name << "\", reason is unknown from here\n";
throw failed_constructor ();
Port::drop ()
{
if (_port_handle) {
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("drop handle for port %1\n", name()));
port_engine.unregister_port (_port_handle);
_port_handle = 0;
}
bool
Port::connected_to (std::string const & o) const
{
- if (!port_engine.connected()) {
- /* in some senses, this answer isn't the right one all the time,
- because we know about our connections and will re-establish
- them when we reconnect to the port engine.
- */
+ if (!port_engine.available()) {
return false;
}
int
Port::get_connections (std::vector<std::string> & c) const
{
+ if (!port_engine.available()) {
+ c.insert (c.end(), _connections.begin(), _connections.end());
+ return c.size();
+ }
+
return port_engine.get_connections (_port_handle, c);
}
}
if (sends_output ()) {
- port_engine.connect (our_name, other_name);
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("Connect %1 to %2\n", our_name, other_name));
+ r = port_engine.connect (our_name, other_name);
} else {
- port_engine.connect (other_name, our_name);
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("Connect %1 to %2\n", other_name, our_name));
+ r = port_engine.connect (other_name, our_name);
}
if (r == 0) {
if (!connections.empty()) {
- range.min = ~((jack_nframes_t) 0);
+ range.min = ~((pframes_t) 0);
range.max = 0;
DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: %2 connections to check for latency range\n", name(), connections.size()));
int
Port::reestablish ()
{
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("re-establish %1 port %2\n", type().to_string(), _name));
_port_handle = port_engine.register_port (_name, type(), _flags);
if (_port_handle == 0) {
{
/* caller must hold process lock; intended to be used only after reestablish() */
+ DEBUG_TRACE (DEBUG::Ports, string_compose ("Connect %1 to %2 destinations\n",name(), _connections.size()));
+
for (std::set<string>::iterator i = _connections.begin(); i != _connections.end(); ++i) {
if (connect (*i)) {
return -1;
return port_engine.physically_connected (_port_handle);
}
+XMLNode&
+Port::get_state () const
+{
+ XMLNode* root = new XMLNode (state_node_name);
+
+ root->add_property (X_("name"), AudioEngine::instance()->make_port_name_relative (name()));
+
+ if (receives_input()) {
+ root->add_property (X_("direction"), X_("input"));
+ } else {
+ root->add_property (X_("direction"), X_("output"));
+ }
+
+ vector<string> c;
+
+ get_connections (c);
+
+ for (vector<string>::const_iterator i = c.begin(); i != c.end(); ++i) {
+ XMLNode* child = new XMLNode (X_("Connection"));
+ child->add_property (X_("other"), *i);
+ root->add_child_nocopy (*child);
+ }
+
+ return *root;
+}
+
+int
+Port::set_state (const XMLNode& node, int)
+{
+ const XMLProperty* prop;
+
+ if (node.name() != state_node_name) {
+ return -1;
+ }
+
+ if ((prop = node.property (X_("name"))) != 0) {
+ set_name (prop->value());
+ }
+
+ const XMLNodeList& children (node.children());
+
+ _connections.clear ();
+
+ for (XMLNodeList::const_iterator c = children.begin(); c != children.end(); ++c) {
+
+ if ((*c)->name() != X_("Connection")) {
+ continue;
+ }
+
+ if ((prop = (*c)->property (X_("other"))) == 0) {
+ continue;
+ }
+
+ _connections.insert (prop->value());
+ }
+
+ return 0;
+}