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#! /usr/bin/python
# Sample code for pyalsa Sequencer binding
# by Aldrin Martoq <amartoq@dcc.uchile.cl>
# version 2008012401 (UTC: 1201153962 secs since the epoch)
#
# This code is in the public domain,
# use it as base for creating your pyalsa
# sequencer application.
import sys
sys.path.insert(0, '..')
from pyalsa import alsaseq
import time
from alsamemdebug import debuginit, debug, debugdone
debuginit()
seq = alsaseq.Sequencer()
def dump(event):
print("event: %s" % event)
print(" ")
for attr in alsaseq.SeqEvent.__dict__:
if attr.startswith('is_'):
t = event.__getattribute__(attr)
if t:
print("%s" % attr)
print()
data = event.get_data()
print(" data=%s" % data)
print("sequencer: %s" % seq)
port_id = seq.create_simple_port('hola', alsaseq.SEQ_PORT_TYPE_APPLICATION,
alsaseq.SEQ_PORT_CAP_SUBS_READ | alsaseq.SEQ_PORT_CAP_READ | alsaseq.SEQ_PORT_CAP_WRITE | alsaseq.SEQ_PORT_CAP_SUBS_WRITE
)
print("portid: %d" % port_id)
c=-2
wait = 5000
while True:
if c == -1:
src = (alsaseq.SEQ_CLIENT_SYSTEM,alsaseq.SEQ_PORT_SYSTEM_ANNOUNCE)
dest = (seq.client_id, port_id)
print('connecting %s -> %s' % (src, dest))
seq.connect_ports(src, dest)
if c == 5:
break
print('waiting %s...' % wait)
events = seq.receive_events(wait)
for event in events:
c = 0
dump(event)
del event
c += 1
debug([seq])
debugdone()
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