def event_write(self, event, direct=False, relative=False, tick=False):
#print(event.__class__, event)
## Event Filter
if isinstance(event, midi.EndOfTrackEvent):
return
seqev = S.snd_seq_event_t()
## common
seqev.dest.client = self.write_dest.client
seqev.dest.port = self.write_dest.port
seqev.source.client = self.write_sender.client
seqev.source.port = self.write_sender.port
if direct:
# no scheduling
seqev.queue = S.SND_SEQ_QUEUE_DIRECT
else:
seqev.queue = self.queue
seqev.flags &= (S.SND_SEQ_TIME_STAMP_MASK|S.SND_SEQ_TIME_MODE_MASK)
if relative:
seqev.flags |= S.SND_SEQ_TIME_MODE_REL
else:
seqev.flags |= S.SND_SEQ_TIME_MODE_ABS
if tick:
seqev.flags |= S.SND_SEQ_TIME_STAMP_TICK
seqev.time.tick = event.tick
else:
seqev.flags |= S.SND_SEQ_TIME_STAMP_REAL
sec = int(event.msdelay / 1000)
nsec = int((event.msdelay - (sec * 1000)) * 1000000)
seqev.time.time.tv_sec = sec
seqev.time.time.tv_nsec = nsec
## Tempo Change
if isinstance(event, midi.SetTempoEvent):
adjtempo = int(60.0 * 1000000.0 / event.bpm)
seqev.type = S.SND_SEQ_EVENT_TEMPO
seqev.dest.client = S.SND_SEQ_CLIENT_SYSTEM
seqev.dest.port = S.SND_SEQ_PORT_SYSTEM_TIMER
seqev.data.queue.queue = self.queue
seqev.data.queue.param.value = adjtempo
## Note Event
elif isinstance(event, midi.NoteEvent):
if isinstance(event, midi.NoteOnEvent):
seqev.type = S.SND_SEQ_EVENT_NOTEON
if isinstance(event, midi.NoteOffEvent):
seqev.type = S.SND_SEQ_EVENT_NOTEOFF
seqev.data.note.channel = event.channel
seqev.data.note.note = event.pitch
seqev.data.note.velocity = event.velocity
## Control Change
elif isinstance(event, midi.ControlChangeEvent):
seqev.type = S.SND_SEQ_EVENT_CONTROLLER
seqev.data.control.channel = event.channel
seqev.data.control.param = event.control
seqev.data.control.value = event.value
## Program Change
elif isinstance(event, midi.ProgramChangeEvent):
seqev.type = S.SND_SEQ_EVENT_PGMCHANGE
seqev.data.control.channel = event.channel
seqev.data.control.value = event.value
## Pitch Bench
elif isinstance(event, midi.PitchWheelEvent):
seqev.type = S.SND_SEQ_EVENT_PITCHBEND
seqev.data.control.channel = event.channel
seqev.data.control.value = event.pitch
## Unknown
else:
print("Warning :: Unknown event type: %s" % event)
return None
err = S.snd_seq_event_output(self.client, seqev)
if (err < 0): self._error(err)
self.drain()
return self.output_buffer_size - err
def event_write(self, event, direct=False, relative=False, tick=False):
#print event.__class__, event
## Event Filter
if isinstance(event, midi.EndOfTrackEvent):
return
seqev = S.snd_seq_event_t()
## common
seqev.dest.client = self.write_dest.client
seqev.dest.port = self.write_dest.port
seqev.source.client = self.write_sender.client
seqev.source.port = self.write_sender.port
if direct:
# no scheduling
seqev.queue = S.SND_SEQ_QUEUE_DIRECT
else:
seqev.queue = self.queue
seqev.flags &= (S.SND_SEQ_TIME_STAMP_MASK|S.SND_SEQ_TIME_MODE_MASK)
if relative:
seqev.flags |= S.SND_SEQ_TIME_MODE_REL
else:
seqev.flags |= S.SND_SEQ_TIME_MODE_ABS
if tick:
seqev.flags |= S.SND_SEQ_TIME_STAMP_TICK
seqev.time.tick = event.tick
else:
seqev.flags |= S.SND_SEQ_TIME_STAMP_REAL
sec = int(event.msdelay / 1000)
nsec = int((event.msdelay - (sec * 1000)) * 1000000)
seqev.time.time.tv_sec = sec
seqev.time.time.tv_nsec = nsec
## Tempo Change
if isinstance(event, midi.SetTempoEvent):
adjtempo = int(60.0 * 1000000.0 / event.bpm)
seqev.type = S.SND_SEQ_EVENT_TEMPO
seqev.dest.client = S.SND_SEQ_CLIENT_SYSTEM
seqev.dest.port = S.SND_SEQ_PORT_SYSTEM_TIMER
seqev.data.queue.queue = self.queue
seqev.data.queue.param.value = adjtempo
## Note Event
elif isinstance(event, midi.NoteEvent):
if isinstance(event, midi.NoteOnEvent):
seqev.type = S.SND_SEQ_EVENT_NOTEON
if isinstance(event, midi.NoteOffEvent):
seqev.type = S.SND_SEQ_EVENT_NOTEOFF
seqev.data.note.channel = event.channel
seqev.data.note.note = event.pitch
seqev.data.note.velocity = event.velocity
## Control Change
elif isinstance(event, midi.ControlChangeEvent):
seqev.type = S.SND_SEQ_EVENT_CONTROLLER
seqev.data.control.channel = event.channel
seqev.data.control.param = event.control
seqev.data.control.value = event.value
## Program Change
elif isinstance(event, midi.ProgramChangeEvent):
seqev.type = S.SND_SEQ_EVENT_PGMCHANGE
seqev.data.control.channel = event.channel
seqev.data.control.value = event.value
## Pitch Bench
elif isinstance(event, midi.PitchWheelEvent):
seqev.type = S.SND_SEQ_EVENT_PITCHBEND
seqev.data.control.channel = event.channel
seqev.data.control.value = event.pitch
## Unknown
else:
print "Warning :: Unknown event type: %s" % event
return None
err = S.snd_seq_event_output(self.client, seqev)
if (err < 0): self._error(err)
self.drain()
return self.output_buffer_size - err