diff options
| -rw-r--r-- | gtk2_ardour/port_matrix.cc | 10 | ||||
| -rw-r--r-- | libs/ardour/io.cc | 9 |
2 files changed, 18 insertions, 1 deletions
diff --git a/gtk2_ardour/port_matrix.cc b/gtk2_ardour/port_matrix.cc index 576b8789ca..8bdc1c4cc0 100644 --- a/gtk2_ardour/port_matrix.cc +++ b/gtk2_ardour/port_matrix.cc @@ -26,6 +26,7 @@ #include <gtkmm/menu_elems.h> #include <gtkmm/window.h> #include <gtkmm/stock.h> +#include <gtkmm/messagedialog.h> #include "ardour/bundle.h" #include "ardour/types.h" #include "ardour/session.h" @@ -684,7 +685,14 @@ PortMatrix::add_channel (boost::shared_ptr<Bundle> b, DataType t) boost::shared_ptr<IO> io = io_from_bundle (b); if (io) { - io->add_port ("", this, t); + int const r = io->add_port ("", this, t); + if (r == -1) { + Gtk::MessageDialog msg (_("It is not possible to add a port here, as the first processor in the track or buss cannot " + "support the new configuration." + )); + msg.set_title (_("Cannot add port")); + msg.run (); + } } } diff --git a/libs/ardour/io.cc b/libs/ardour/io.cc index 23c7594d40..c5f0c7361d 100644 --- a/libs/ardour/io.cc +++ b/libs/ardour/io.cc @@ -292,6 +292,15 @@ IO::add_port (string destination, void* src, DataType type) type = _default_type; } + ChanCount before = _ports.count (); + ChanCount after = before; + after.set (type, after.get (type) + 1); + + bool const r = PortCountChanging (after); /* EMIT SIGNAL */ + if (r) { + return -1; + } + IOChange change; { |