ardour/livetrax
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VST3: initially only enable default-active busses

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This works around a problem with some JUCE plugins, notably
https://github.com/surge-synthesizer/surge/issues/6847
This commit is contained in:
Robin Gareus 2023-02-16 20:42:50 +01:00
parent 31a3c3c6f3
commit edbcaa24fb
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
2 changed files with 15 additions and 8 deletions
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3
libs/ardour/ardour/vst3_plugin.h
View File

@ -143,10 +143,11 @@ public:
uint32_t n_audio_aux_out () const { return _n_aux_outputs; }
struct AudioBusInfo {
AudioBusInfo (Vst::BusType t, int32_t c) : type (t), n_chn (c) {}
AudioBusInfo (Vst::BusType t, int32_t c, bool a) : type (t), n_chn (c), dflt (a) {}
AudioBusInfo () : type (Vst::kMain), n_chn (0) {}
Vst::BusType type;
int32_t n_chn;
bool dflt; // kDefaultActive
};
std::map<int, AudioBusInfo> const& bus_info_in () const { return _bus_info_in; }

20
libs/ardour/vst3_plugin.cc
View File

@ -96,13 +96,19 @@ VST3Plugin::init ()
_plug->OnResizeView.connect_same_thread (_connections, boost::bind (&VST3Plugin::forward_resize_view, this, _1, _2));
_plug->OnParameterChange.connect_same_thread (_connections, boost::bind (&VST3Plugin::parameter_change_handler, this, _1, _2, _3));
/* assume all I/O is connected by default */
for (int32_t i = 0; i < (int32_t)_plug->n_audio_inputs (); ++i) {
_connected_inputs.push_back (true);
/* assume only default active busses are connected */
for (auto const& abi : _plug->bus_info_in ()) {
for (int32_t i = 0; i < abi.second.n_chn; ++i) {
_connected_inputs.push_back (abi.second.dflt);
}
}
for (int32_t i = 0; i < (int32_t)_plug->n_audio_outputs (); ++i) {
_connected_outputs.push_back (true);
for (auto const& abi : _plug->bus_info_out ()) {
for (int32_t i = 0; i < abi.second.n_chn; ++i) {
_connected_outputs.push_back (abi.second.dflt);
}
}
/* pre-configure from GUI thread */
_plug->enable_io (_connected_inputs, _connected_outputs);
}
@ -1747,9 +1753,9 @@ VST3PI::count_channels (Vst::MediaType media, Vst::BusDirection dir, Vst::BusTyp
n_channels += bus.channelCount;
if (dir == Vst::kInput) {
_bus_info_in.insert (std::make_pair(i, AudioBusInfo (type, bus.channelCount)));
_bus_info_in.insert (std::make_pair(i, AudioBusInfo (type, bus.channelCount, bus.flags & Vst::BusInfo::kDefaultActive)));
} else {
_bus_info_out.insert (std::make_pair(i, AudioBusInfo (type, bus.channelCount)));
_bus_info_out.insert (std::make_pair(i, AudioBusInfo (type, bus.channelCount, bus.flags & Vst::BusInfo::kDefaultActive)));
}
}
}