ardour/livetrax
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VST3: Prepare to debug plugin bus/channel count

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This commit is contained in:
Robin Gareus 2020-09-24 18:46:03 +02:00
parent 86be01c0f9
commit 929e88aac1
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 11 additions and 2 deletions
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13
libs/ardour/vst3_scan.cc
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@ -43,14 +43,21 @@ using namespace std;
using namespace Steinberg;
static int32
count_channels (Vst::IComponent* c, Vst::MediaType media, Vst::BusDirection dir, Vst::BusType type)
count_channels (Vst::IComponent* c, Vst::MediaType media, Vst::BusDirection dir, Vst::BusType type, bool verbose = false)
{
/* see also libs/ardour/vst3_plugin.cc VST3PI::count_channels */
int32 n_busses = c->getBusCount (media, dir);
if (verbose) {
PBD::info << "VST3: media: " << media << "dir: " << dir << "type: " << type << "n_busses: " << n_busses << endmsg;
}
int32 n_channels = 0;
for (int32 i = 0; i < n_busses; ++i) {
Vst::BusInfo bus;
if (c->getBusInfo (media, dir, i, bus) == kResultTrue && bus.busType == type) {
tresult rv = c->getBusInfo (media, dir, i, bus);
if (rv == kResultTrue && bus.busType == type) {
if (verbose) {
PBD::info << "VST3: bus: " << i << "count: " << bus.channelCount << endmsg;
}
#if 1
if ((type == Vst::kMain && i != 0) || (type == Vst::kAux && i != 1)) {
/* For now allow we only support one main bus, and one aux-bus.
@ -71,6 +78,8 @@ count_channels (Vst::IComponent* c, Vst::MediaType media, Vst::BusDirection dir,
} else {
n_channels += bus.channelCount;
}
} else if (verbose) {
PBD::info << "VST3: error getting busInfo for bus: " << i << " rv: " << rv << " busType: " << bus.busType << endmsg;
}
}
return n_channels;