include sidechain when delegating I/O configuration

diff --git a/libs/ardour/plugin_insert.cc b/libs/ardour/plugin_insert.cc
index 7a616508bd499775287bf5b313d7b2c73425a97d..0aeeae88112acf317bca1f441fbeb583ad2de106 100644 (file)
--- a/libs/ardour/plugin_insert.cc
+++ b/libs/ardour/plugin_insert.cc
@@ -1432,7 +1432,7 @@ PluginInsert::configure_io (ChanCount in, ChanCount out)
                        }
                        if (out.n_audio () == 0) { out.set (DataType::AUDIO, 1); }
                        ChanCount useins;
-                       bool const r = _plugins.front()->can_support_io_configuration (in, dout, &useins);
+                       bool const r = _plugins.front()->can_support_io_configuration (_configured_internal, dout, &useins);
                        assert (r);
                        if (useins.n_audio() == 0) {
                                useins = in;
@@ -1708,7 +1708,7 @@ PluginInsert::internal_can_support_io_configuration (ChanCount const & inx, Chan
                out = inx; // hint
                if (out.n_midi () > 0 && out.n_audio () == 0) { out.set (DataType::AUDIO, 2); }
                if (out.n_audio () == 0) { out.set (DataType::AUDIO, 1); }
-               bool const r = _plugins.front()->can_support_io_configuration (inx, out, &useins);
+               bool const r = _plugins.front()->can_support_io_configuration (inx + sidechain_input_pins (), out, &useins);
                if (!r) {
                        // houston, we have a problem.
                        return Match (Impossible, 0);
@@ -1777,7 +1777,7 @@ PluginInsert::automatic_can_support_io_configuration (ChanCount const & inx, Cha
                out = in; // hint
                if (out.n_midi () > 0 && out.n_audio () == 0) { out.set (DataType::AUDIO, 2); }
                if (out.n_audio () == 0) { out.set (DataType::AUDIO, 1); }
-               bool const r = _plugins.front()->can_support_io_configuration (in, out);
+               bool const r = _plugins.front()->can_support_io_configuration (in + sidechain_input_pins (), out);
                if (!r) {
                        return Match (Impossible, 0);
                }