def read(self, num_events=4096):
'''Read MIDI events and return a list of PmEvent instances
:param num_events the number of events to read
:rtype list of PmEvents read from MIDI Input'''
num_events = min(num_events, self.buffer_size)
ret = lib.Pm_Read(self.stream, self.buffer, num_events)
if ret < 0:
raise MidiException(errno=ret)
return PmEvent.events_from_buffer(self.buffer[0:ret])
def MidiNoteOff(key):
return PmEvent.create_note_off(key)
def MidiNoteOn(key, velocity):
return PmEvent.create_note_on(key, velocity)