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Fix AU i/o busses accounting.

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This fixes issues for synths with zero audio input, explicit default
stereo config and optional busses.
This commit is contained in:
Robin Gareus 2018-01-11 20:16:59 +01:00
parent 7d6e6424c7
commit 31f7948936
1 changed files with 2 additions and 2 deletions
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4
libs/ardour/audio_unit.cc
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@ -1269,7 +1269,7 @@ AUPlugin::can_support_io_configuration (const ChanCount& in, ChanCount& out, Cha
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) {
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<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) {
if (possible_out < 0) {
continue;
}
for (uint32_t i = 1; i < output_elements; ++i) {