Fix progress report when resampling to fixed-point on import
[ardour.git] / libs / ardour / port.cc
index 3252134ac3d48031153088f54d4cb3ab68eaf3bf..eb7ca913d2b3921c6552df135019c1d999244d95 100644 (file)
@@ -30,7 +30,7 @@
 #include "ardour/port.h"
 #include "ardour/port_engine.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -38,11 +38,14 @@ using namespace PBD;
 
 PBD::Signal2<void,boost::shared_ptr<Port>, boost::shared_ptr<Port> > Port::PostDisconnect;
 PBD::Signal0<void> Port::PortDrop;
+PBD::Signal0<void> Port::PortSignalDrop;
 
 bool         Port::_connecting_blocked = false;
 pframes_t    Port::_global_port_buffer_offset = 0;
 pframes_t    Port::_cycle_nframes = 0;
+double       Port::_speed_ratio = 1.0;
 std::string  Port::state_node_name = X_("Port");
+const uint32_t Port::_resampler_quality = 12;
 
 /* a handy define to shorten what would otherwise be a needlessly verbose
  * repeated phrase
@@ -52,10 +55,10 @@ std::string  Port::state_node_name = X_("Port");
 
 /** @param n Port short name */
 Port::Port (std::string const & n, DataType t, PortFlags f)
-       : _port_buffer_offset (0)
-       , _name (n)
+       : _name (n)
        , _flags (f)
-        , _last_monitor (false)
+       , _last_monitor (false)
+       , _externally_connected (0)
 {
        _private_playback_latency.min = 0;
        _private_playback_latency.max = 0;
@@ -69,12 +72,18 @@ Port::Port (std::string const & n, DataType t, PortFlags f)
 
        assert (_name.find_first_of (':') == std::string::npos);
 
-       if ((_port_handle = port_engine.register_port (_name, t, _flags)) == 0) {
+       if (!port_manager->running ()) {
+               DEBUG_TRACE (DEBUG::Ports, string_compose ("port-engine n/a postpone registering %1\n", name()));
+               _port_handle = 0; // created during ::reestablish() later
+       } else 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 ();
        }
-       
+       DEBUG_TRACE (DEBUG::Ports, string_compose ("registed port %1 handle %2\n", name(), _port_handle));
+
        PortDrop.connect_same_thread (drop_connection, boost::bind (&Port::drop, this));
+       PortSignalDrop.connect_same_thread (drop_connection, boost::bind (&Port::signal_drop, this));
+       port_manager->PortConnectedOrDisconnected.connect_same_thread (engine_connection, boost::bind (&Port::port_connected_or_disconnected, this, _1, _3, _5));
 }
 
 /** Port destructor */
@@ -83,7 +92,6 @@ Port::~Port ()
        drop ();
 }
 
-
 std::string
 Port::pretty_name(bool fallback_to_name) const
 {
@@ -103,6 +111,25 @@ Port::pretty_name(bool fallback_to_name) const
        return "";
 }
 
+bool
+Port::set_pretty_name(const std::string& n)
+{
+       if (_port_handle) {
+               if (0 == port_engine.set_port_property (_port_handle,
+                                       "http://jackaudio.org/metadata/pretty-name", n, ""))
+               {
+                       return true;
+               }
+       }
+       return false;
+}
+
+void
+Port::signal_drop ()
+{
+       engine_connection.disconnect ();
+}
+
 void
 Port::drop ()
 {
@@ -113,13 +140,33 @@ Port::drop ()
        }
 }
 
+void
+Port::port_connected_or_disconnected (boost::weak_ptr<Port> w0, boost::weak_ptr<Port> w1, bool con)
+{
+       if (con) {
+               /* we're only interested in disconnect */
+               return;
+       }
+       boost::shared_ptr<Port> p0 = w0.lock ();
+       boost::shared_ptr<Port> p1 = w1.lock ();
+       /* a cheaper, less hacky way to do boost::shared_from_this() ...  */
+       boost::shared_ptr<Port> pself = AudioEngine::instance()->get_port_by_name (name());
+
+       if (p0 == pself) {
+               PostDisconnect (p0, p1); // emit signal
+       }
+       if (p1 == pself) {
+               PostDisconnect (p1, p0); // emit signal
+       }
+}
+
 /** @return true if this port is connected to anything */
 bool
 Port::connected () const
 {
        if (_port_handle) {
                return (port_engine.connected (_port_handle) != 0);
-       } 
+       }
        return false;
 }
 
@@ -127,14 +174,22 @@ int
 Port::disconnect_all ()
 {
        if (_port_handle) {
-               
+
+               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() ... 
+
+               /* a cheaper, less hacky way to do boost::shared_from_this() ...
                 */
                boost::shared_ptr<Port> pself = port_manager->get_port_by_name (name());
-               PostDisconnect (pself, boost::shared_ptr<Port>()); // emit signal
+               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;
@@ -147,10 +202,10 @@ bool
 Port::connected_to (std::string const & o) const
 {
        if (!_port_handle) {
-               return false; 
+               return false;
        }
 
-       if (!port_engine.available()) {
+       if (!port_manager->running()) {
                return false;
        }
 
@@ -160,12 +215,16 @@ Port::connected_to (std::string const & o) const
 int
 Port::get_connections (std::vector<std::string> & c) const
 {
-       if (!port_engine.available()) {
+       if (!port_manager->running()) {
                c.insert (c.end(), _connections.begin(), _connections.end());
                return c.size();
        }
 
-       return port_engine.get_connections (_port_handle, c);
+       if (_port_handle) {
+               return port_engine.get_connections (_port_handle, c);
+       }
+
+       return 0;
 }
 
 int
@@ -213,8 +272,7 @@ Port::disconnect (std::string const & other)
                _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);
 
@@ -223,7 +281,7 @@ Port::disconnect (std::string const & 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;
@@ -282,17 +340,10 @@ Port::reset ()
 void
 Port::cycle_start (pframes_t)
 {
-        _port_buffer_offset = 0;
-}
-
-void
-Port::increment_port_buffer_offset (pframes_t nframes)
-{
-        _port_buffer_offset += nframes;
 }
 
 void
-Port::set_public_latency_range (LatencyRange& range, bool playback) const
+Port::set_public_latency_range (LatencyRange const& range, bool playback) const
 {
        /* this sets the visible latency that the rest of the port system
           sees. because we do latency compensation, all (most) of our visible
@@ -305,7 +356,16 @@ Port::set_public_latency_range (LatencyRange& range, bool playback) const
                                     (playback ? "PLAYBACK" : "CAPTURE")));;
 
        if (_port_handle) {
-               port_engine.set_latency_range (_port_handle, playback, range);
+               LatencyRange r (range);
+               if (externally_connected ()) {
+#if 0
+                       r.min *= _speed_ratio;
+                       r.max *= _speed_ratio;
+#endif
+                       r.min += (_resampler_quality - 1);
+                       r.max += (_resampler_quality - 1);
+               }
+               port_engine.set_latency_range (_port_handle, playback, r);
        }
 }
 
@@ -361,7 +421,15 @@ Port::public_latency_range (bool /*playback*/) const
 
        if (_port_handle) {
                r = port_engine.get_latency_range (_port_handle, sends_output() ? true : false);
-               
+               if (externally_connected ()) {
+#if 0
+                       r.min /= _speed_ratio;
+                       r.max /= _speed_ratio;
+#endif
+                       r.min += (_resampler_quality - 1);
+                       r.max += (_resampler_quality - 1);
+               }
+
                DEBUG_TRACE (DEBUG::Latency, string_compose (
                                     "GET PORT %1: %4 PUBLIC latency range %2 .. %3\n",
                                     name(), r.min, r.max,
@@ -386,49 +454,57 @@ Port::get_connected_latency_range (LatencyRange& range, bool playback) const
                DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: %2 connections to check for latency range\n", name(), connections.size()));
 
                for (vector<string>::const_iterator c = connections.begin();
-                    c != connections.end(); ++c) {
+                               c != connections.end(); ++c) {
 
-                        LatencyRange lr;
+                       LatencyRange lr;
 
-                        if (!AudioEngine::instance()->port_is_mine (*c)) {
+                       if (!AudioEngine::instance()->port_is_mine (*c)) {
 
-                                /* port belongs to some other port-system client, use
-                                 * the port engine to lookup its latency information.
-                                 */
+                               /* port belongs to some other port-system client, use
+                                * the port engine to lookup its latency information.
+                                */
 
                                PortEngine::PortHandle remote_port = port_engine.get_port_by_name (*c);
 
-                                if (remote_port) {
-                                        lr = port_engine.get_latency_range (remote_port, playback);
+                               if (remote_port) {
+                                       lr = port_engine.get_latency_range (remote_port, playback);
+                                       if (externally_connected ()) {
+#if 0
+                                               lr.min /= _speed_ratio;
+                                               lr.max /= _speed_ratio;
+#endif
+                                               lr.min += (_resampler_quality - 1);
+                                               lr.max += (_resampler_quality - 1);
+                                       }
 
-                                        DEBUG_TRACE (DEBUG::Latency, string_compose (
-                                                             "\t%1 <-> %2 : latter has latency range %3 .. %4\n",
-                                                             name(), *c, lr.min, lr.max));
+                                       DEBUG_TRACE (DEBUG::Latency, string_compose (
+                                                               "\t%1 <-> %2 : latter has latency range %3 .. %4\n",
+                                                               name(), *c, lr.min, lr.max));
 
-                                        range.min = min (range.min, lr.min);
-                                        range.max = max (range.max, lr.max);
-                                }
+                                       range.min = min (range.min, lr.min);
+                                       range.max = max (range.max, lr.max);
+                               }
 
                        } else {
 
-                                /* port belongs to this instance of ardour,
-                                   so look up its latency information
-                                   internally, because our published/public
-                                   values already contain our plugin
-                                   latency compensation.
-                                */
-
-                                boost::shared_ptr<Port> remote_port = AudioEngine::instance()->get_port_by_name (*c);
-                                if (remote_port) {
-                                        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));
-
-                                        range.min = min (range.min, lr.min);
-                                        range.max = max (range.max, lr.max);
-                                }
-                        }
+                               /* port belongs to this instance of ardour,
+                                        so look up its latency information
+                                        internally, because our published/public
+                                        values already contain our plugin
+                                        latency compensation.
+                                        */
+
+                               boost::shared_ptr<Port> remote_port = AudioEngine::instance()->get_port_by_name (*c);
+                               if (remote_port) {
+                                       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));
+
+                                       range.min = min (range.min, lr.min);
+                                       range.max = max (range.max, lr.max);
+                               }
+                       }
                }
 
        } else {
@@ -437,7 +513,7 @@ Port::get_connected_latency_range (LatencyRange& range, bool playback) const
                range.max = 0;
        }
 
-        DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: final connected latency range [ %2 .. %3 ] \n", name(), range.min, range.max));
+       DEBUG_TRACE (DEBUG::Latency, string_compose ("%1: final connected latency range [ %2 .. %3 ] \n", name(), range.min, range.max));
 }
 
 int
@@ -451,8 +527,11 @@ Port::reestablish ()
                return -1;
        }
 
+       DEBUG_TRACE (DEBUG::Ports, string_compose ("Port::reestablish %1 handle %2\n", name(), _port_handle));
+
        reset ();
 
+       port_manager->PortConnectedOrDisconnected.connect_same_thread (engine_connection, boost::bind (&Port::port_connected_or_disconnected, this, _1, _3, _5));
        return 0;
 }
 
@@ -507,21 +586,21 @@ Port::get_state () const
 {
        XMLNode* root = new XMLNode (state_node_name);
 
-       root->add_property (X_("name"), AudioEngine::instance()->make_port_name_relative (name()));
+       root->set_property (X_("name"), AudioEngine::instance()->make_port_name_relative (name()));
 
        if (receives_input()) {
-               root->add_property (X_("direction"), X_("input"));
+               root->set_property (X_("direction"), X_("input"));
        } else {
-               root->add_property (X_("direction"), X_("output"));
+               root->set_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);
+               child->set_property (X_("other"), *i);
                root->add_child_nocopy (*child);
        }
 
@@ -531,14 +610,13 @@ Port::get_state () const
 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());
+       std::string str;
+       if (node.get_property (X_("name"), str)) {
+               set_name (str);
        }
 
        const XMLNodeList& children (node.children());
@@ -550,13 +628,24 @@ Port::set_state (const XMLNode& node, int)
                if ((*c)->name() != X_("Connection")) {
                        continue;
                }
-               
-               if ((prop = (*c)->property (X_("other"))) == 0) {
+
+               if (!(*c)->get_property (X_("other"), str)) {
                        continue;
                }
 
-               _connections.insert (prop->value());
+               _connections.insert (str);
        }
 
        return 0;
 }
+
+/*static*/ void
+Port::set_speed_ratio (double s) {
+       /* see VMResampler::set_rratio() for min/max range */
+       _speed_ratio = std::min (16.0, std::max (0.5, s));
+}
+
+/*static*/ void
+Port::set_cycle_samplecnt (pframes_t n) {
+       _cycle_nframes = floor (n * _speed_ratio);
+}