MIDI_ACTIVITY_TIMEOUT_USEC - Haiku

Symbol: MIDI_ACTIVITY_TIMEOUT_USEC

src/add-ons/kernel/drivers/audio/echo/generic/CDspCommObject.cpp

return( ( ( ullCurTime - m_ullMidiOutTime ) > MIDI_ACTIVITY_TIMEOUT_USEC ) ? FALSE : TRUE );

src/add-ons/kernel/drivers/audio/echo/generic/CMidiInQ.cpp

if (ullDelta > MIDI_ACTIVITY_TIMEOUT_USEC)