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faderport8: Better debug trace when not probing the midi ports

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This would have helped former me when trying to use FaderPort with
PulseAudio backend.
This commit is contained in:
Mads Kiilerich 2024-07-25 12:18:53 +02:00
parent 8633e82891
commit 4f2b96dca8
1 changed files with 15 additions and 5 deletions
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20
libs/surfaces/faderport8/faderport8.cc
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@ -107,26 +107,36 @@ FaderPort8::probe (std::string& i, std::string& o)
AudioEngine::instance()->get_ports ("", DataType::MIDI, PortFlags (IsOutput|IsTerminal), midi_inputs);
AudioEngine::instance()->get_ports ("", DataType::MIDI, PortFlags (IsInput|IsTerminal), midi_outputs);
auto has_fp8 = [](string const& s) {
std::string pn = AudioEngine::instance()->get_hardware_port_name_by_name (s);
if (midi_outputs.size () == 0)
DEBUG_TRACE (DEBUG::FaderPort8, "prope got no output midi ports at all - perhaps an audio backend problem?\n");
// midi_inputs will never be empty - there is always at least x-virtual-keyboard
const string needle =
#ifdef FADERPORT16
return pn.find ("PreSonus FP16 Port 1") != string::npos;
"PreSonus FP16 Port 1"
#elif defined FADERPORT2
return pn.find ("PreSonus FP2") != string::npos;
"PreSonus FP2"
#else
return pn.find ("PreSonus FP8") != string::npos;
"PreSonus FP8"
#endif
;
auto has_fp8 = [&needle] (string const& s) {
std::string pn = AudioEngine::instance ()->get_hardware_port_name_by_name (s);
return pn.find (needle) != string::npos;
};
auto pi = std::find_if (midi_inputs.begin (), midi_inputs.end (), has_fp8);
auto po = std::find_if (midi_outputs.begin (), midi_outputs.end (), has_fp8);
if (pi == midi_inputs.end () || po == midi_outputs.end ()) {
DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("prope did not find the '%1' midi ports\n", needle));
return false;
}
i = *pi;
o = *po;
DEBUG_TRACE (DEBUG::FaderPort8, string_compose ("prope found midi ports '%1' and '%2'\n", i, o));
return true;
}