diff options
author | Robin Gareus <robin@gareus.org> | 2016-07-04 03:56:26 +0200 |
---|---|---|
committer | Robin Gareus <robin@gareus.org> | 2016-07-04 03:57:04 +0200 |
commit | ed5cd83c6371267d730b318d32629114c5630d59 (patch) | |
tree | abbb28e7f4b13dc3274f97ffb238cab86fad34b2 | |
parent | a373e4cfc80cfc1dc712ecdf8013c18286ce2a6b (diff) |
experimental support for AU sidechain busses
some plugins include a sidechain bus which is not explicitly
listed under "Reported Channel Capabilities" list,
nor the "Input/Output Channel Handling"
-rw-r--r-- | libs/ardour/audio_unit.cc | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc index c31d77256e..a520fbb00e 100644 --- a/libs/ardour/audio_unit.cc +++ b/libs/ardour/audio_unit.cc @@ -1256,7 +1256,22 @@ AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out, Cha return false; } - vector<pair<int,int> >& io_configs = pinfo->cache.io_configs; + vector<pair<int,int> > io_configs = pinfo->cache.io_configs; + + if (input_elements > 1) { + const vector<pair<int,int> >& ioc (pinfo->cache.io_configs); + for (vector<pair<int,int> >::const_iterator i = ioc.begin(); i != ioc.end(); ++i) { + int32_t possible_in = i->first; + int32_t possible_out = i->second; + if (possible_in <= 1 || possible_out <= 1) { + continue; + } + for (uint32_t i = 1; i < input_elements; ++i) { + // TODO: consider up-to bus_inputs[i] + io_configs.push_back (pair<int,int> (possible_in + bus_inputs[i], possible_out)); + } + } + } DEBUG_TRACE (DEBUG::AudioUnits, string_compose ("%1 has %2 IO configurations, looking for %3 in, %4 out\n", name(), io_configs.size(), in, out)); |