/*
- Copyright (C) 2002-2006 Paul Davis
+ Copyright (C) 2009 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 <ardour/port.h>
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
-using namespace ARDOUR;
-using namespace std;
-
-AudioEngine* Port::engine = 0;
+#include "ardour/port.h"
+#include "ardour/audioengine.h"
+#include "pbd/failed_constructor.h"
+#include "pbd/error.h"
+#include "pbd/compose.h"
+#include <stdexcept>
-Port::Port (const std::string& name, Flags flgs)
- : _flags (flgs)
- , _name (name)
- , _metering (0)
- , _last_monitor (false)
-{
-}
-
-Port::~Port ()
-{
- drop_references ();
- disconnect_all ();
-}
+#include "i18n.h"
-void
-Port::reset ()
-{
- _last_monitor = false;
-}
+using namespace std;
+using namespace ARDOUR;
-void
-Port::set_engine (AudioEngine* e)
-{
- engine = e;
-}
+AudioEngine* Port::_engine = 0;
+nframes_t Port::_buffer_size = 0;
+bool Port::_connecting_blocked = false;
-int
-Port::connect (Port& other)
+/** @param n Port short name */
+Port::Port (std::string const & n, DataType t, Flags f)
+ : _last_monitor (false)
+ , _name (n)
+ , _flags (f)
{
- /* caller must hold process lock */
- pair<set<Port*>::iterator,bool> result;
+ /* Unfortunately we have to pass the DataType into this constructor so that we can
+ create the right kind of JACK port; aside from this we'll use the virtual function type ()
+ to establish type.
+ */
- result = _connections.insert (&other);
+ assert (_name.find_first_of (':') == std::string::npos);
- if (result.second) {
- other.GoingAway.connect (sigc::bind (mem_fun (*this, &Port::port_going_away), &other));
- return 0;
- } else {
- return 1;
+ if ((_jack_port = jack_port_register (_engine->jack (), _name.c_str (), t.to_jack_type (), _flags, 0)) == 0) {
+ throw failed_constructor ();
}
}
-int
-Port::disconnect (Port& other)
+/** Port destructor */
+Port::~Port ()
{
- /* caller must hold process lock */
-
- for (set<Port*>::iterator i = _connections.begin(); i != _connections.end(); ++i) {
- if ((*i) == &other) {
- _connections.erase (i);
- return 0;
- }
- }
-
- return -1;
+ jack_port_unregister (_engine->jack (), _jack_port);
}
+/** @return true if this port is connected to anything */
+bool
+Port::connected () const
+{
+ return (jack_port_connected (_jack_port) != 0);
+}
int
Port::disconnect_all ()
{
- /* caller must hold process lock */
-
+ jack_port_disconnect (_engine->jack(), _jack_port);
_connections.clear ();
- return 0;
-}
-void
-Port::set_latency (nframes_t val)
-{
- _latency = val;
+ return 0;
}
+/** @param o Port name
+ * @return true if this port is connected to o, otherwise false.
+ */
bool
-Port::connected() const
+Port::connected_to (std::string const & o) const
{
- /* caller must hold process lock */
- return !_connections.empty();
+ return jack_port_connected_to (_jack_port, _engine->make_port_name_non_relative(o).c_str ());
}
-bool
-Port::connected_to (const string& portname) const
+/** @param o Filled in with port full names of ports that we are connected to */
+int
+Port::get_connections (std::vector<std::string> & c) const
{
- /* caller must hold process lock */
+ int n = 0;
- for (set<Port*>::const_iterator p = _connections.begin(); p != _connections.end(); ++p) {
- if ((*p)->name() == portname) {
- return true;
+ const char** jc = jack_port_get_connections (_jack_port);
+ if (jc) {
+ for (int i = 0; jc[i]; ++i) {
+ c.push_back (jc[i]);
+ ++n;
}
+
+ jack_free (jc);
}
- return false;
+ return n;
}
int
-Port::get_connections (vector<string>& names) const
+Port::connect (std::string const & other)
{
/* caller must hold process lock */
- int i = 0;
- set<Port*>::const_iterator p;
- for (i = 0, p = _connections.begin(); p != _connections.end(); ++p, ++i) {
- names.push_back ((*p)->name());
- }
+ std::string const other_shrt = _engine->make_port_name_non_relative (other);
+ std::string const this_shrt = _engine->make_port_name_non_relative (_name);
- return i;
-}
+ int r = 0;
-void
-Port::port_going_away (Port* p)
-{
- /* caller must hold process lock */
+ if (_connecting_blocked) {
+ return r;
+ }
- disconnect (*p);
-}
+ if (sends_output ()) {
+ r = jack_connect (_engine->jack (), this_shrt.c_str (), other_shrt.c_str ());
+ } else {
+ r = jack_connect (_engine->jack (), other_shrt.c_str (), this_shrt.c_str());
+ }
+ if (r == 0) {
+ _connections.insert (other);
+ }
-//-------------------------------------
+ return r;
+}
int
-PortFacade::set_name (const std::string& str)
+Port::disconnect (std::string const & other)
{
- int ret;
+ /* caller must hold process lock */
- if (_ext_port) {
- if ((ret = _ext_port->set_name (str)) == 0) {
- _name = _ext_port->name();
- }
- } else {
- _name = str;
- ret = 0;
- }
+ std::string const other_shrt = _engine->make_port_name_non_relative (other);
+ std::string const this_shrt = _engine->make_port_name_non_relative (_name);
- return ret;
-}
+ int r = 0;
-string
-PortFacade::short_name () const
-{
- if (_ext_port) {
- return _ext_port->short_name();
+ if (sends_output ()) {
+ r = jack_disconnect (_engine->jack (), this_shrt.c_str (), other_shrt.c_str ());
} else {
- return _name;
+ r = jack_disconnect (_engine->jack (), other_shrt.c_str (), this_shrt.c_str ());
+ }
+
+ if (r == 0) {
+ _connections.erase (other);
}
+
+ return r;
}
-int
-PortFacade::reestablish ()
+bool
+Port::connected_to (Port* o) const
{
- if (_ext_port) {
- return _ext_port->reestablish ();
- } else {
- return 0;
- }
+ return connected_to (o->name ());
}
-
int
-PortFacade::reconnect()
+Port::connect (Port* o)
{
- if (_ext_port) {
- return _ext_port->reconnect ();
- } else {
- return 0;
- }
+ return connect (o->name ());
}
-void
-PortFacade::set_latency (nframes_t val)
+int
+Port::disconnect (Port* o)
{
- if (_ext_port) {
- _ext_port->set_latency (val);
- } else {
- _latency = val;
- }
+ return disconnect (o->name ());
}
-nframes_t
-PortFacade::latency() const
+void
+Port::set_engine (AudioEngine* e)
{
- if (_ext_port) {
- return _ext_port->latency();
- } else {
- return _latency;
- }
+ _engine = e;
}
-nframes_t
-PortFacade::total_latency() const
+void
+Port::ensure_monitor_input (bool yn)
{
- if (_ext_port) {
- return _ext_port->total_latency();
- } else {
- return _latency;
- }
+ jack_port_ensure_monitor (_jack_port, yn);
}
bool
-PortFacade::monitoring_input() const
+Port::monitoring_input () const
{
- if (_ext_port) {
- return _ext_port->monitoring_input ();
- } else {
- return false;
- }
+ return jack_port_monitoring_input (_jack_port);
}
void
-PortFacade::ensure_monitor_input (bool yn)
+Port::reset ()
{
- if (_ext_port) {
- _ext_port->ensure_monitor_input (yn);
- }
+ _last_monitor = false;
+
+ // XXX
+ // _metering = 0;
+ // reset_meters ();
}
void
-PortFacade::request_monitor_input (bool yn)
+Port::recompute_total_latency () const
{
- if (_ext_port) {
- _ext_port->request_monitor_input (yn);
- }
+#ifdef HAVE_JACK_RECOMPUTE_LATENCY
+ jack_client_t* jack = _engine->jack();
+
+ if (!jack) {
+ return;
+ }
+
+ jack_recompute_total_latency (jack, _jack_port);
+#endif
}
-int
-PortFacade::connect (Port& other)
+nframes_t
+Port::total_latency () const
{
- int ret;
-
- if (_ext_port) {
- ret = _ext_port->connect (other);
- } else {
- ret = 0;
- }
+ jack_client_t* jack = _engine->jack();
- if (ret == 0) {
- ret = Port::connect (other);
+ if (!jack) {
+ return 0;
}
- return ret;
+ return jack_port_get_total_latency (jack, _jack_port);
}
int
-PortFacade::connect (const std::string& other)
+Port::reestablish ()
{
- PortConnectableByName* pcn;
+ jack_client_t* jack = _engine->jack();
- if (!_ext_port) {
+ if (!jack) {
return -1;
}
-
- pcn = dynamic_cast<PortConnectableByName*>(_ext_port);
- if (pcn) {
- return pcn->connect (other);
- } else {
- return -1;
- }
-}
+ cerr << "RE-REGISTER: " << _name.c_str() << endl;
+ _jack_port = jack_port_register (jack, _name.c_str(), type().to_jack_type(), _flags, 0);
-
-int
-PortFacade::disconnect (Port& other)
-{
- int reta;
- int retb;
-
- if (_ext_port) {
- reta = _ext_port->disconnect (other);
- } else {
- reta = 0;
+ if (_jack_port == 0) {
+ PBD::error << string_compose (_("could not reregister %1"), _name) << endmsg;
+ return -1;
}
- retb = Port::disconnect (other);
+ reset ();
- return reta || retb;
+ return 0;
}
-int
-PortFacade::disconnect_all ()
-{
- int reta = 0;
- int retb = 0;
-
- if (_ext_port) {
- reta = _ext_port->disconnect_all ();
- }
-
- retb = Port::disconnect_all ();
- return reta || retb;
-}
-
int
-PortFacade::disconnect (const std::string& other)
+Port::reconnect ()
{
- PortConnectableByName* pcn;
+ /* caller must hold process lock; intended to be used only after reestablish() */
- if (!_ext_port) {
- return -1;
+ for (std::set<string>::iterator i = _connections.begin(); i != _connections.end(); ++i) {
+ if (connect (*i)) {
+ return -1;
+ }
}
-
- pcn = dynamic_cast<PortConnectableByName*>(_ext_port);
- if (pcn) {
- return pcn->disconnect (other);
- } else {
- return -1;
- }
+ return 0;
}
-bool
-PortFacade::connected () const
+/** @param n Short port name (no JACK client name) */
+int
+Port::set_name (std::string const & n)
{
- if (Port::connected()) {
- return true;
+ if (n == _name) {
+ return 0;
}
- if (_ext_port) {
- return _ext_port->connected();
- }
+ int const r = jack_port_set_name (_jack_port, n.c_str());
- return false;
-}
-bool
-PortFacade::connected_to (const std::string& portname) const
-{
- if (Port::connected_to (portname)) {
- return true;
- }
-
- if (_ext_port) {
- return _ext_port->connected_to (portname);
+ if (r == 0) {
+ _name = n;
}
- return false;
-
+ return r;
}
-int
-PortFacade::get_connections (vector<string>& names) const
+void
+Port::request_monitor_input (bool yn)
{
- int i = 0;
-
- if (_ext_port) {
- i = _ext_port->get_connections (names);
- }
-
- i += Port::get_connections (names);
-
- return i;
+ jack_port_request_monitor (_jack_port, yn);
}
void
-PortFacade::reset ()
+Port::set_latency (nframes_t n)
+{
+ jack_port_set_latency (_jack_port, n);
+}
+
+bool
+Port::physically_connected () const
{
- Port::reset ();
+ const char** jc = jack_port_get_connections (_jack_port);
+
+ if (jc) {
+ for (int i = 0; jc[i]; ++i) {
- if (_ext_port) {
- _ext_port->reset ();
+ jack_port_t* port = jack_port_by_name (_engine->jack(), jc[i]);
+
+ if (port && (jack_port_flags (port) & JackPortIsPhysical)) {
+ jack_free (jc);
+ return true;
+ }
+ }
+
+ jack_free (jc);
}
+
+ return false;
}
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