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Ardour/ALSA allow multiple MIDI devices with the same name

This commit is contained in:
Robin Gareus 2019-03-06 23:41:15 +01:00
parent 210d03a477
commit 8ccc45d44d
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 12 additions and 2 deletions
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14
libs/backends/alsa/alsa_audiobackend.cc
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@ -1644,7 +1644,12 @@ AlsaAudioBackend::register_system_midi_ports(const std::string device)
delete mout;
} else {
char tmp[64];
snprintf(tmp, sizeof(tmp), "system:midi_playback_%u", elf_hash (i->first));
for (int x = 0; x < 10; ++x) {
snprintf(tmp, sizeof(tmp), "system:midi_playback_%x%d", elf_hash (i->first), x);
if (!find_port (tmp)) {
break;
}
}
PortHandle p = add_port(std::string(tmp), DataType::MIDI, static_cast<PortFlags>(IsInput | IsPhysical | IsTerminal));
if (!p) {
mout->stop();
@ -1685,7 +1690,12 @@ AlsaAudioBackend::register_system_midi_ports(const std::string device)
delete midin;
} else {
char tmp[64];
snprintf(tmp, sizeof(tmp), "system:midi_capture_%u", elf_hash (i->first));
for (int x = 0; x < 10; ++x) {
snprintf(tmp, sizeof(tmp), "system:midi_capture_%x%d", elf_hash (i->first), x);
if (!find_port (tmp)) {
break;
}
}
PortHandle p = add_port(std::string(tmp), DataType::MIDI, static_cast<PortFlags>(IsOutput | IsPhysical | IsTerminal));
if (!p) {
midin->stop();