diff options
Diffstat (limited to 'libs/ardour/route.cc')
| -rw-r--r-- | libs/ardour/route.cc | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libs/ardour/route.cc b/libs/ardour/route.cc index b78217ff49..125bcf12d6 100644 --- a/libs/ardour/route.cc +++ b/libs/ardour/route.cc @@ -136,6 +136,7 @@ Route::init () _input->PortCountChanging.connect_same_thread (*this, boost::bind (&Route::input_port_count_changing, this, _1)); _output->changed.connect_same_thread (*this, boost::bind (&Route::output_change_handler, this, _1, _2)); + _output->PortCountChanging.connect_same_thread (*this, boost::bind (&Route::output_port_count_changing, this, _1)); /* add amp processor */ @@ -1704,6 +1705,8 @@ Route::configure_processors_unlocked (ProcessorStreams* err) } ChanCount out; + bool seen_mains_out = false; + processor_out_streams = _input->n_ports(); list< pair<ChanCount,ChanCount> >::iterator c = configuration.begin(); for (ProcessorList::iterator p = _processors.begin(); p != _processors.end(); ++p, ++c) { @@ -1716,8 +1719,21 @@ Route::configure_processors_unlocked (ProcessorStreams* err) processor_max_streams = ChanCount::max(processor_max_streams, c->first); processor_max_streams = ChanCount::max(processor_max_streams, c->second); out = c->second; + + if (boost::dynamic_pointer_cast<Delivery> (*p) + && boost::dynamic_pointer_cast<Delivery> (*p)->role() == Delivery::Main) { + /* main delivery will increase port count to match input. + * the Delivery::Main is usually the last processor - followed only by + * 'MeterOutput'. + */ + seen_mains_out = true; + } + if (!seen_mains_out) { + processor_out_streams = out; + } } + if (_meter) { _meter->reset_max_channels (processor_max_streams); } @@ -3754,6 +3770,19 @@ Route::input_port_count_changing (ChanCount to) return false; } +/** Called when there is a proposed change to the output port count */ +bool +Route::output_port_count_changing (ChanCount to) +{ + for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) { + if (processor_out_streams.get(*t) > to.get(*t)) { + return true; + } + } + /* The change is ok */ + return false; +} + list<string> Route::unknown_processors () const { |