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VST3: improve verbose scanner output

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This commit is contained in:
Robin Gareus 2021-02-13 15:03:04 +01:00
parent 01ac384380
commit 64160e755d
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 33 additions and 7 deletions
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40
libs/ardour/vst3_scan.cc
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@ -46,31 +46,55 @@
using namespace std;
using namespace Steinberg;
static const char* fmt_media (Vst::MediaType m) {
switch (m) {
case Vst::kAudio: return "kAudio";
case Vst::kEvent: return "kEvent";
default: return "?";
}
}
static const char* fmt_dir (Vst::BusDirection d) {
switch (d) {
case Vst::kInput: return "kInput";
case Vst::kOutput: return "kOutput";
default: return "?";
}
}
static const char* fmt_type (Vst::BusType t) {
switch (t) {
case Vst::kMain: return "kMain";
case Vst::kAux: return "kAux";
default: return "?";
}
}
static int32
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;
PBD::info << "VST3: media: " << fmt_media (media) << " dir: " << fmt_dir (dir) << " type: " << fmt_type (type) << " n_busses: " << n_busses << endmsg;
}
int32 n_channels = 0;
for (int32 i = 0; i < n_busses; ++i) {
Vst::BusInfo bus;
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.
* Also an aux-bus by itself is currently N/A.
*/
std::cerr << "VST3: Ignored extra bus. type: " << type << " index: " << i << "\n";
PBD::info << "VST3: \\ ignored bus: " << i << " type: " << fmt_type (bus.busType) << " count: " << bus.channelCount << endmsg;
continue;
}
#endif
if (verbose) {
PBD::info << "VST3: - bus: " << i << " count: " << bus.channelCount << endmsg;
}
if (media == Vst::kEvent) {
#if 0
/* Supported MIDI Channel count (for a single MIDI input) */
@ -82,8 +106,10 @@ 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;
} else if (verbose && rv == kResultTrue) {
PBD::info << "VST3: \\ ignored bus: " << i << " mismatched type: " << fmt_type (bus.busType) << endmsg;
} else {
PBD::info << "VST3: \\ error getting busInfo for bus: " << i << " rv: " << rv << ", got type: " << fmt_type (bus.busType) << endmsg;
}
}
return n_channels;