/*
- Copyright (C) 2002 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
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id$
*/
+#ifdef WAF_BUILD
+#include "libardour-config.h"
+#endif
+
#include "ardour/port.h"
+#include "ardour/audioengine.h"
+#include "pbd/failed_constructor.h"
+#include "pbd/error.h"
+#include "pbd/compose.h"
+#include <stdexcept>
+
+#include "i18n.h"
-using namespace ARDOUR;
using namespace std;
+using namespace ARDOUR;
-Port::Port (jack_port_t *p)
- : _port (p)
+AudioEngine* Port::_engine = 0;
+nframes_t Port::_buffer_size = 0;
+bool Port::_connecting_blocked = false;
+
+/** @param n Port short name */
+Port::Port (std::string const & n, DataType t, Flags f)
+ : _last_monitor (false)
+ , _name (n)
+ , _flags (f)
{
- if (_port == 0) {
- throw failed_constructor();
+
+ /* 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.
+ */
+
+ assert (_name.find_first_of (':') == std::string::npos);
+
+ if ((_jack_port = jack_port_register (_engine->jack (), _name.c_str (), t.to_jack_type (), _flags, 0)) == 0) {
+ throw failed_constructor ();
}
-
- _flags = JackPortFlags (jack_port_flags (_port));
- _type = jack_port_type (_port);
- _name = jack_port_name (_port);
+}
- reset ();
+/** Port destructor */
+Port::~Port ()
+{
+ 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 ()
+{
+ jack_port_disconnect (_engine->jack(), _jack_port);
+ _connections.clear ();
+
+ return 0;
+}
+
+/** @param o Port name
+ * @return true if this port is connected to o, otherwise false.
+ */
+bool
+Port::connected_to (std::string const & o) const
+{
+ return jack_port_connected_to (_jack_port, _engine->make_port_name_non_relative(o).c_str ());
+}
+
+/** @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
+{
+ int n = 0;
+
+ 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 n;
+}
+
+int
+Port::connect (std::string const & other)
+{
+ /* caller must hold process lock */
+
+ std::string const other_shrt = _engine->make_port_name_non_relative (other);
+ std::string const this_shrt = _engine->make_port_name_non_relative (_name);
+
+ int r = 0;
+
+ if (_connecting_blocked) {
+ return r;
+ }
+
+ 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
+Port::disconnect (std::string const & other)
+{
+ /* caller must hold process lock */
+
+ std::string const other_shrt = _engine->make_port_name_non_relative (other);
+ std::string const this_shrt = _engine->make_port_name_non_relative (_name);
+
+ int r = 0;
+
+ if (sends_output ()) {
+ r = jack_disconnect (_engine->jack (), this_shrt.c_str (), other_shrt.c_str ());
+ } else {
+ r = jack_disconnect (_engine->jack (), other_shrt.c_str (), this_shrt.c_str ());
+ }
+
+ if (r == 0) {
+ _connections.erase (other);
+ }
+
+ return r;
+}
+
+
+bool
+Port::connected_to (Port* o) const
+{
+ return connected_to (o->name ());
+}
+
+int
+Port::connect (Port* o)
+{
+ return connect (o->name ());
+}
+
+int
+Port::disconnect (Port* o)
+{
+ return disconnect (o->name ());
+}
+
+void
+Port::set_engine (AudioEngine* e)
+{
+ _engine = e;
+}
+
+void
+Port::ensure_monitor_input (bool yn)
+{
+ jack_port_ensure_monitor (_jack_port, yn);
+}
+
+bool
+Port::monitoring_input () const
+{
+ return jack_port_monitoring_input (_jack_port);
}
void
Port::reset ()
{
- reset_buffer ();
-
_last_monitor = false;
- _silent = false;
- _metering = 0;
-
- reset_meters ();
+
+ // XXX
+ // _metering = 0;
+ // reset_meters ();
+}
+
+void
+Port::recompute_total_latency () const
+{
+#ifdef HAVE_JACK_RECOMPUTE_LATENCY
+ jack_client_t* jack = _engine->jack();
+
+ if (!jack) {
+ return;
+ }
+
+ jack_recompute_total_latency (jack, _jack_port);
+#endif
+}
+
+nframes_t
+Port::total_latency () const
+{
+ jack_client_t* jack = _engine->jack();
+
+ if (!jack) {
+ return 0;
+ }
+
+ return jack_port_get_total_latency (jack, _jack_port);
+}
+
+int
+Port::reestablish ()
+{
+ jack_client_t* jack = _engine->jack();
+
+ if (!jack) {
+ return -1;
+ }
+
+ cerr << "RE-REGISTER: " << _name.c_str() << endl;
+ _jack_port = jack_port_register (jack, _name.c_str(), type().to_jack_type(), _flags, 0);
+
+ if (_jack_port == 0) {
+ PBD::error << string_compose (_("could not reregister %1"), _name) << endmsg;
+ return -1;
+ }
+
+ reset ();
+
+ return 0;
+}
+
+
+int
+Port::reconnect ()
+{
+ /* caller must hold process lock; intended to be used only after reestablish() */
+
+ for (std::set<string>::iterator i = _connections.begin(); i != _connections.end(); ++i) {
+ if (connect (*i)) {
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+/** @param n Short port name (no JACK client name) */
+int
+Port::set_name (std::string const & n)
+{
+ if (n == _name) {
+ return 0;
+ }
+
+ int const r = jack_port_set_name (_jack_port, n.c_str());
+
+ if (r == 0) {
+ _name = n;
+ }
+
+ return r;
}
-int
-Port::set_name (string str)
+void
+Port::request_monitor_input (bool yn)
{
- int ret;
+ jack_port_request_monitor (_jack_port, yn);
+}
- if ((ret = jack_port_set_name (_port, str.c_str())) == 0) {
- _name = str;
+void
+Port::set_latency (nframes_t n)
+{
+ jack_port_set_latency (_jack_port, n);
+}
+
+bool
+Port::physically_connected () const
+{
+ const char** jc = jack_port_get_connections (_jack_port);
+
+ if (jc) {
+ for (int i = 0; jc[i]; ++i) {
+
+ 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 ret;
+
+ return false;
}
-
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