diff options
Diffstat (limited to 'gtk2_ardour/global_port_matrix.cc')
| -rw-r--r-- | gtk2_ardour/global_port_matrix.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gtk2_ardour/global_port_matrix.cc b/gtk2_ardour/global_port_matrix.cc index df22424520..565def896e 100644 --- a/gtk2_ardour/global_port_matrix.cc +++ b/gtk2_ardour/global_port_matrix.cc @@ -90,6 +90,10 @@ GlobalPortMatrix::get_state (BundleChannel c[2]) const return PortMatrixNode::NOT_ASSOCIATED; } + if (c[0].bundle->nchannels() == ChanCount::ZERO || c[1].bundle->nchannels() == ChanCount::ZERO) { + return PortMatrixNode::NOT_ASSOCIATED; + } + Bundle::PortList const & in_ports = c[IN].bundle->channel_ports (c[IN].channel); Bundle::PortList const & out_ports = c[OUT].bundle->channel_ports (c[OUT].channel); if (in_ports.empty() || out_ports.empty()) { |