diff --git a/libs/ardour/luaproc.cc b/libs/ardour/luaproc.cc index f2db7848c8..8f370ebfad 100644 --- a/libs/ardour/luaproc.cc +++ b/libs/ardour/luaproc.cc @@ -462,23 +462,6 @@ LuaProc::can_support_io_configuration (const ChanCount& in, ChanCount& out, Chan continue; } - if (possible_in == 0) { - /* no inputs, generators & instruments */ - if (possible_out == -1 || possible_out == -2) { - /* any output configuration possible - * out == -2 is invalid, interpreted as out == -1 */ - FOUNDCFG (preferred_out); - ANYTHINGGOES; - } else if (possible_out < -2) { - /* variable number of outputs up to -N, */ - FOUNDCFG (min (-possible_out, preferred_out)); - UPTO (-possible_out); - } else { - /* exact number of outputs */ - FOUNDCFG (possible_out); - } - } - if (possible_in == -1 || possible_in == -2) { /* wildcard for input */ if (possible_out == possible_in) { @@ -501,10 +484,10 @@ LuaProc::can_support_io_configuration (const ChanCount& in, ChanCount& out, Chan } } - if (possible_in < -2 || possible_in > 0) { + if (possible_in < -2 || possible_in >= 0) { /* specified number, exact or up to */ int desired_in; - if (possible_in > 0) { + if (possible_in >= 0) { /* configuration can only match possible_in */ desired_in = possible_in; } else {