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Disable MIDI rescan after devicechange, to avoid deadlock

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This commit is contained in:
Ken Cooke 2019-05-06 10:46:54 -07:00
parent 75b6705f19
commit ea9690d72b
1 changed files with 5 additions and 1 deletions
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6
interface/src/Application.cpp
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@ -557,7 +557,10 @@ public:
return true; return true;
} }
} }
// Attempting to close MIDI interfaces of a hot-unplugged device can result in audio-driver deadlock.
// Detecting MIDI devices that have been added/removed after starting Inteface has been disabled.
// https://support.microsoft.com/en-us/help/4460006/midi-device-app-hangs-when-former-midi-api-is-used
#if 0
if (message->message == WM_DEVICECHANGE) { if (message->message == WM_DEVICECHANGE) {
const float MIN_DELTA_SECONDS = 2.0f; // de-bounce signal const float MIN_DELTA_SECONDS = 2.0f; // de-bounce signal
static float lastTriggerTime = 0.0f; static float lastTriggerTime = 0.0f;
@ -567,6 +570,7 @@ public:
Midi::USBchanged(); // re-scan the MIDI bus Midi::USBchanged(); // re-scan the MIDI bus
} }
} }
#endif
} }
return false; return false;
} }