#include "libardour-config.h"
#endif
-#include <jack/weakjack.h> // so that we can test for new functions at runtime
-
#include "pbd/compose.h"
#include "pbd/error.h"
#include "pbd/failed_constructor.h"
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
*/
#define port_engine AudioEngine::instance()->port_engine()
+#define port_manager AudioEngine::instance()
/** @param n Port short name */
Port::Port (std::string const & n, DataType t, PortFlags f)
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 ();
}
-
+
PortDrop.connect_same_thread (drop_connection, boost::bind (&Port::drop, this));
}
drop ();
}
+
+std::string
+Port::pretty_name(bool fallback_to_name) const
+{
+ if (_port_handle) {
+ std::string value;
+ std::string type;
+ if (0 == port_engine.get_port_property (_port_handle,
+ "http://jackaudio.org/metadata/pretty-name",
+ value, type))
+ {
+ return value;
+ }
+ }
+ if (fallback_to_name) {
+ return name ();
+ }
+ return "";
+}
+
void
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 () const
{
- return (port_engine.connected (_port_handle) != 0);
+ if (_port_handle) {
+ return (port_engine.connected (_port_handle) != 0);
+ }
+ return false;
}
int
Port::disconnect_all ()
{
- port_engine.disconnect_all (_port_handle);
- _connections.clear ();
+ if (_port_handle) {
- /* a cheaper, less hacky way to do boost::shared_from_this() ...
- */
- boost::shared_ptr<Port> pself = AudioEngine::instance()->get_port_by_name (name());
- PostDisconnect (pself, boost::shared_ptr<Port>()); // emit signal
+ std::vector<std::string> connections;
+ get_connections (connections);
+
+ port_engine.disconnect_all (_port_handle);
+ _connections.clear ();
+
+ /* a cheaper, less hacky way to do boost::shared_from_this() ...
+ */
+ boost::shared_ptr<Port> pself = port_manager->get_port_by_name (name());
+ for (vector<string>::const_iterator c = connections.begin(); c != connections.end() && pself; ++c) {
+ boost::shared_ptr<Port> pother = AudioEngine::instance()->get_port_by_name (*c);
+ if (pother) {
+ PostDisconnect (pself, pother); // emit signal
+ }
+ }
+ }
return 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_handle) {
+ return false;
+ }
+
+ if (!port_engine.available()) {
return false;
}
- return port_engine.connected_to (_port_handle, port_engine.make_port_name_non_relative (o));
+ return port_engine.connected_to (_port_handle, AudioEngine::instance()->make_port_name_non_relative (o));
}
int
Port::get_connections (std::vector<std::string> & c) const
{
- return port_engine.get_connections (_port_handle, c);
+ if (!port_engine.available()) {
+ c.insert (c.end(), _connections.begin(), _connections.end());
+ return c.size();
+ }
+
+ if (_port_handle) {
+ return port_engine.get_connections (_port_handle, c);
+ }
+
+ return 0;
}
int
Port::connect (std::string const & other)
{
- std::string const other_name = port_engine.make_port_name_non_relative (other);
- std::string const our_name = port_engine.make_port_name_non_relative (_name);
+ std::string const other_name = AudioEngine::instance()->make_port_name_non_relative (other);
+ std::string const our_name = AudioEngine::instance()->make_port_name_non_relative (_name);
int r = 0;
}
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) {
int
Port::disconnect (std::string const & other)
{
- std::string const other_fullname = port_engine.make_port_name_non_relative (other);
- std::string const this_fullname = port_engine.make_port_name_non_relative (_name);
+ std::string const other_fullname = port_manager->make_port_name_non_relative (other);
+ std::string const this_fullname = port_manager->make_port_name_non_relative (_name);
int r = 0;
_connections.erase (other);
}
- /* a cheaper, less hacky way to do boost::shared_from_this() ...
+ /* a cheaper, less hacky way to do boost::shared_from_this() ...
*/
boost::shared_ptr<Port> pself = AudioEngine::instance()->get_port_by_name (name());
boost::shared_ptr<Port> pother = AudioEngine::instance()->get_port_by_name (other);
a check on whether this may affect anything that we
need to know about.
*/
- PostDisconnect (pself, pother); // emit signal
+ PostDisconnect (pself, pother); // emit signal
}
return r;
void
Port::request_input_monitoring (bool yn)
{
- port_engine.request_input_monitoring (_port_handle, yn);
+ if (_port_handle) {
+ port_engine.request_input_monitoring (_port_handle, yn);
+ }
}
void
Port::ensure_input_monitoring (bool yn)
{
- port_engine.ensure_input_monitoring (_port_handle, yn);
+ if (_port_handle) {
+ port_engine.ensure_input_monitoring (_port_handle, yn);
+ }
}
bool
Port::monitoring_input () const
{
-
- return port_engine.monitoring_input (_port_handle);
+ if (_port_handle) {
+ return port_engine.monitoring_input (_port_handle);
+ }
+ return false;
}
void
name(), range.min, range.max,
(playback ? "PLAYBACK" : "CAPTURE")));;
- port_engine.set_latency_range (_port_handle, playback, range);
+ if (_port_handle) {
+ port_engine.set_latency_range (_port_handle, playback, range);
+ }
}
void
{
LatencyRange r;
- r = port_engine.get_latency_range (_port_handle, sends_output() ? true : false);
- DEBUG_TRACE (DEBUG::Latency, string_compose (
- "GET PORT %1: %4 PUBLIC latency range %2 .. %3\n",
- name(), r.min, r.max,
- sends_output() ? "PLAYBACK" : "CAPTURE"));
+ if (_port_handle) {
+ r = port_engine.get_latency_range (_port_handle, sends_output() ? true : false);
+
+ DEBUG_TRACE (DEBUG::Latency, string_compose (
+ "GET PORT %1: %4 PUBLIC latency range %2 .. %3\n",
+ name(), r.min, r.max,
+ sends_output() ? "PLAYBACK" : "CAPTURE"));
+ }
+
return r;
}
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()));
boost::shared_ptr<Port> remote_port = AudioEngine::instance()->get_port_by_name (*c);
if (remote_port) {
- lr = remote_port->private_latency_range ((playback ? JackPlaybackLatency : JackCaptureLatency));
+ lr = remote_port->private_latency_range ((playback ? true : false));
DEBUG_TRACE (DEBUG::Latency, string_compose (
"\t%1 <-LOCAL-> %2 : latter has latency range %3 .. %4\n",
name(), *c, lr.min, lr.max));
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;
int
Port::set_name (std::string const & n)
{
- if (n == _name) {
+ if (n == _name || !_port_handle) {
return 0;
}
bool
Port::physically_connected () const
{
+ if (!_port_handle) {
+ return false;
+ }
+
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;
+}