source/tests.old/carla-plugin-jack.py

   1 #!/usr/bin/env python3
   2 # -*- coding: utf-8 -*-
   3
   4 # --------------------------------------------------------------------------------------------------------
   5
   6 from carla_backend import *
   7 from signal import signal, SIGINT, SIGTERM
   8 from time import sleep
   9 from sys import exit
  10
  11 # --------------------------------------------------------------------------------------------------------
  12
  13 class CarlaObject(object):
  14     __slots__ = [
  15         'term'
  16     ]
  17
  18 gCarla = CarlaObject()
  19 gCarla.term = False
  20
  21 def signalHandler(sig, frame):
  22     if sig in (SIGINT, SIGTERM):
  23         gCarla.term = True
  24
  25 # --------------------------------------------------------------------------------------------------------
  26
  27 binaryDir = "/home/falktx/Personal/GIT-mine/falkTX/Carla/bin"
  28 host = CarlaHostDLL("/home/falktx/Personal/GIT-mine/falkTX/Carla/bin/libcarla_standalone2.so", True)
  29 host.set_engine_option(ENGINE_OPTION_PATH_BINARIES, 0, binaryDir)
  30 host.set_engine_option(ENGINE_OPTION_PROCESS_MODE, 2, "")
  31 host.set_engine_option(ENGINE_OPTION_TRANSPORT_MODE, 0, "")
  32
  33 if not host.engine_init("PulseAudio", "Carla-Plugin-JACK"):
  34     print("Engine failed to initialize, possible reasons:\n%s" % host.get_last_error())
  35     exit(1)
  36
  37 fname = "pulseaudio --high-priority --realtime --exit-idle-time=-1 --file=/usr/share/cadence/pulse2jack/play.pa -n"
  38 label = ""
  39
  40 fname = "/usr/bin/patchage"
  41 label = ""
  42
  43 fname = "/usr/bin/carla"
  44 label = ""
  45
  46 if not host.add_plugin(BINARY_NATIVE, PLUGIN_JACK, fname, "", label, 0, None, 0):
  47     print("Failed to load plugin, possible reasons:\n%s" % host.get_last_error())
  48     host.engine_close()
  49     exit(1)
  50
  51 signal(SIGINT,  signalHandler)
  52 signal(SIGTERM, signalHandler)
  53
  54 while host.is_engine_running() and not gCarla.term:
  55     host.engine_idle()
  56     sleep(0.5)
  57
  58 if not gCarla.term:
  59     print("Engine closed abruptely")
  60
  61 if not host.engine_close():
  62     print("Engine failed to close, possible reasons:\n%s" % host.get_last_error())
  63     exit(1)
  64
  65 # --------------------------------------------------------------------------------------------------------