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Re-nice ALSA MIDI port names

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This commit is contained in:
Robin Gareus
2017-04-21 10:43:22 +02:00
parent 23efc699c3
commit d7d86a99d2
1 changed files with 19 additions and 2 deletions
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21
libs/backends/alsa/alsa_audiobackend.cc
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@@ -1410,6 +1410,23 @@ AlsaAudioBackend::register_system_audio_ports()
return 0;
}
/* libs/ardouralsautil/devicelist.cc appends either of
* " (IO)", " (I)", or " (O)"
* depending of the device is full-duples or half-duplex
*/
static std::string replace_name_io (std::string const& name, bool in)
{
if (name.empty ()) {
return "";
}
size_t pos = name.find_last_of ('(');
if (pos == std::string::npos) {
assert (0); // this should never happen.
return name;
}
return name.substr (0, pos) + "(" + (in ? "In" : "Out") + ")";
}
int
AlsaAudioBackend::register_system_midi_ports(const std::string device)
{
@@ -1466,7 +1483,7 @@ AlsaAudioBackend::register_system_midi_ports(const std::string device)
set_latency_range (p, true, lr);
static_cast<AlsaMidiPort*>(p)->set_n_periods(_periods_per_cycle); // TODO check MIDI alignment
AlsaPort *ap = static_cast<AlsaPort*>(p);
ap->set_pretty_name (i->first);
ap->set_pretty_name (replace_name_io (i->first, false));
_system_midi_out.push_back (ap);
_rmidi_out.push_back (mout);
}
@@ -1505,7 +1522,7 @@ AlsaAudioBackend::register_system_midi_ports(const std::string device)
lr.min = lr.max = (_measure_latency ? 0 : nfo->systemic_input_latency);
set_latency_range (p, false, lr);
AlsaPort *ap = static_cast<AlsaPort*>(p);
ap->set_pretty_name (i->first);
ap->set_pretty_name (replace_name_io (i->first, true));
_system_midi_in.push_back (ap);
_rmidi_in.push_back (midin);
}