pyjack-0.5.2/demos/transporter.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3
   4 import jack
   5
   6 #print current time
   7 def print_time ():
   8     time = float(jack.get_current_transport_frame()) / jack.get_sample_rate()
   9     print "current time: %f s" % time
  10
  11 #testing state set/get
  12 def print_state():
  13     state = jack.get_transport_state()
  14     statename = {
  15             jack.TransportStopped:"stopped",
  16             jack.TransportRolling:"rolling",
  17             jack.TransportStarting:"starting"
  18         } [state]
  19     print("current state is %i (%s)"% (state, statename))
  20
  21 #testing position set/get
  22 from time import sleep
  23 jack.attach("transporter.py")
  24 print ("getting current time")
  25 print_time()
  26 print ("going to frame 0")
  27 jack.transport_locate(0)
  28 sleep (2)
  29
  30 print ("getting current time")
  31 print_time()
  32
  33 sleep (0.5)
  34 print ("going to 6 sec")
  35 jack.transport_locate(jack.get_sample_rate()*6)
  36 sleep (2)
  37
  38 print ("getting current time")
  39 print_time()
  40
  41 print ("TransportStopped: %i" % jack.TransportStopped)
  42 print ("TransportRolling: %i" % jack.TransportRolling)
  43 print ("TransportStarting: %i" % jack.TransportStarting)
  44 print_state()
  45
  46 print ("playing")
  47 jack.transport_start()
  48 sleep(5)
  49 print ("stopping")
  50 jack.transport_stop()
  51
  52 print_time()