merge (w/fix) with master

[ardour.git] / libs / surfaces / mackie / surface_port.cc

diff --git a/libs/surfaces/mackie/surface_port.cc b/libs/surfaces/mackie/surface_port.cc
index 6583f3307fe127b0fcefdfbf1504b8926fe780f6..013a0019c7e797ef9982df56412a07cd8a7fbc94 100644 (file)
--- a/libs/surfaces/mackie/surface_port.cc
+++ b/libs/surfaces/mackie/surface_port.cc
@@ -23,6 +23,8 @@
 #include <sigc++/sigc++.h>
 #include <boost/shared_array.hpp>
 
+#include "pbd/failed_constructor.h"
+
 #include "midi++/types.h"
 #include "midi++/ipmidi_port.h"
 
@@ -52,10 +54,16 @@ SurfacePort::SurfacePort (Surface& s)
        if (_surface->mcp().device_info().uses_ipmidi()) {
                _input_port = new MIDI::IPMIDIPort (_surface->mcp().ipmidi_base() +_surface->number());
                _output_port = _input_port;
+
        } else {
+               
                _async_in  = AudioEngine::instance()->register_input_port (DataType::MIDI, string_compose (_("%1 in"),  _surface->name()), true);
                _async_out = AudioEngine::instance()->register_output_port (DataType::MIDI, string_compose (_("%1 out"),  _surface->name()), true);
 
+               if (_async_in == 0 || _async_out == 0) {
+                       throw failed_constructor();
+               }
+
                _input_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_in).get();
                _output_port = boost::dynamic_pointer_cast<AsyncMIDIPort>(_async_out).get();
        }
@@ -63,21 +71,71 @@ SurfacePort::SurfacePort (Surface& s)
 
 SurfacePort::~SurfacePort()
 {
-       if (_surface->mcp().device_info().uses_ipmidi()) {
+       if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
                delete _input_port;
        } else {
 
                if (_async_in) {
                        AudioEngine::instance()->unregister_port (_async_in);
-                       _async_in.reset ();
+                       _async_in.reset ((ARDOUR::Port*) 0);
                }
                
                if (_async_out) {
                        _output_port->drain (10000);
                        AudioEngine::instance()->unregister_port (_async_out);
-                       _async_out.reset ();
+                       _async_out.reset ((ARDOUR::Port*) 0);
+               }
+       }
+}
+
+XMLNode&
+SurfacePort::get_state ()
+{
+       XMLNode* node = new XMLNode (X_("Port"));
+
+       if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
+               /* no state required for IPMidi ports */
+               return *node;
+       }
+
+       XMLNode* child;
+
+       child = new XMLNode (X_("Input"));
+       child->add_child_nocopy (_async_in->get_state());
+       node->add_child_nocopy (*child);
+       
+
+       child = new XMLNode (X_("Output"));
+       child->add_child_nocopy (_async_out->get_state());
+       node->add_child_nocopy (*child);
+
+       return *node;
+}
+
+int
+SurfacePort::set_state (const XMLNode& node, int version)
+{
+       if (dynamic_cast<MIDI::IPMIDIPort*>(_input_port)) {
+               return 0;
+       }
+
+       XMLNode* child;
+
+       if ((child = node.child (X_("Input"))) != 0) {
+               XMLNode* portnode = child->child (Port::state_node_name.c_str());
+               if (portnode) {
+                       _async_in->set_state (*portnode, version);
                }
        }
+
+       if ((child = node.child (X_("Output"))) != 0) {
+               XMLNode* portnode = child->child (Port::state_node_name.c_str());
+               if (portnode) {
+                       _async_out->set_state (*portnode, version);
+               }
+       }
+
+       return 0;
 }
 
 // wrapper for one day when strerror_r is working properly