From 31f7948936eee59594ae26a28f0972eb46667fa5 Mon Sep 17 00:00:00 2001 From: Robin Gareus Date: Thu, 11 Jan 2018 20:16:59 +0100 Subject: [PATCH] Fix AU i/o busses accounting. This fixes issues for synths with zero audio input, explicit default stereo config and optional busses. --- libs/ardour/audio_unit.cc | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc index 0cea4dd099..76e456218a 100644 --- a/libs/ardour/audio_unit.cc +++ b/libs/ardour/audio_unit.cc @@ -1269,7 +1269,7 @@ AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out, Cha for (vector >::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) { + if (possible_in < 0) { continue; } for (uint32_t i = 1; i < input_elements; ++i) { @@ -1286,7 +1286,7 @@ AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out, Cha for (vector >::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) { + if (possible_out < 0) { continue; } for (uint32_t i = 1; i < output_elements; ++i) {