Cadence: Implement session auto-start jack

src/cadence.py

@@ -24,12 +24,12 @@ except:
 
 # Imports (Global)
 from platform import architecture
-from PyQt4.QtCore import QSettings
 from PyQt4.QtGui import QApplication, QLabel, QMainWindow, QSizePolicy
 
 # Imports (Custom Stuff)
 import ui_cadence
 import systray
+from shared_cadence import *
 from shared_jack import *
 from shared_settings import *
 
@@ -50,30 +50,6 @@ if haveWine:
 
 # ---------------------------------------------------------------------
 
-DEFAULT_LADSPA_PATH = [
-    os.path.join(HOME, ".ladspa"),
-    os.path.join("/", "usr", "lib", "ladspa"),
-    os.path.join("/", "usr", "local", "lib", "ladspa")
-]
-
-DEFAULT_DSSI_PATH = [
-    os.path.join(HOME, ".dssi"),
-    os.path.join("/", "usr", "lib", "dssi"),
-    os.path.join("/", "usr", "local", "lib", "dssi")
-]
-
-DEFAULT_LV2_PATH = [
-    os.path.join(HOME, ".lv2"),
-    os.path.join("/", "usr", "lib", "lv2"),
-    os.path.join("/", "usr", "local", "lib", "lv2")
-]
-
-DEFAULT_VST_PATH = [
-    os.path.join(HOME, ".vst"),
-    os.path.join("/", "usr", "lib", "vst"),
-    os.path.join("/", "usr", "local", "lib", "vst")
-]
-
 DESKTOP_X_IMAGE = [
     "eog.desktop",
     "kde4/digikam.desktop",
@@ -112,9 +88,6 @@ XDG_APPLICATIONS_PATH = [
 
 WINEASIO_PREFIX = "HKEY_CURRENT_USER\Software\Wine\WineASIO"
 
-# Global Settings
-GlobalSettings = QSettings("Cadence", "GlobalSettings")
-
 # ---------------------------------------------------------------------
 
 def get_architecture():

src/cadence_session_start.py

@@ -2,21 +2,15 @@
 # -*- coding: utf-8 -*-
 
 # Imports (Global)
-import dbus, os, sys
-from PyQt4.QtCore import QCoreApplication, QProcess, QSettings
-from time import sleep
+import dbus, sys
+from PyQt4.QtCore import QCoreApplication
 
 # Imports (Custom Stuff)
-from shared import *
+from shared_cadence import *
 
 # Cadence Global Settings
 GlobalSettings = QSettings("Cadence", "GlobalSettings")
 
-DEFAULT_LADSPA_PATH = "/usr/lib/ladspa:/usr/local/lib/ladspa:/usr/lib32/ladspa:"+HOME+"/.ladspa"
-DEFAULT_DSSI_PATH = "/usr/lib/dssi:/usr/local/lib/dssi:/usr/lib32/dssi:"+HOME+"/.dssi"
-DEFAULT_LV2_PATH  = "/usr/lib/lv2:/usr/local/lib/lv2:"+HOME+"/.lv2"
-DEFAULT_VST_PATH  = "/usr/lib/vst:/usr/local/lib/vst:/usr/lib32/vst:"+HOME+"/.vst"
-
 # DBus
 class DBus(object):
     __slots__ = [
@@ -28,7 +22,83 @@ DBus = DBus()
 
 # Start JACK, A2J and Pulse, according to user settings
 def startSession():
-    pass
+    # Kill all audio processes first
+    stopAllAudioProcesses()
+
+    # Connect to DBus
+    DBus.bus  = dbus.SessionBus()
+    DBus.jack = DBus.bus.get_object("org.jackaudio.service", "/org/jackaudio/Controller")
+
+    try:
+        DBus.a2j = dbus.Interface(DBus.bus.get_object("org.gna.home.a2jmidid", "/"), "org.gna.home.a2jmidid.control")
+    except:
+        DBus.a2j = None
+
+    # Load settings (JACK etc)
+    if not GlobalSettings.value("JACK/AutoStart", True, type=bool):
+        print("JACK is set to NOT auto-start on login")
+        return True
+
+    if GlobalSettings.value("JACK/AutoLoadLadishStudio", False, type=bool):
+        try:
+            ladish_control = DBus.bus.get_object("org.ladish", "/org/ladish/Control")
+        except:
+            startJack()
+            return False
+
+        try:
+            ladish_conf = DBus.bus.get_object("org.ladish.conf", "/org/ladish/conf")
+        except:
+            ladish_conf = None
+
+        ladishNotifyHack = False
+        ladishStudioName = dbus.String(GlobalSettings.value("JACK/LadishStudioName", "", type=str))
+        ladishStudioListDump = ladish_control.GetStudioList()
+
+        for thisStudioName, thisStudioDict in ladishStudioListDump:
+            if ladishStudioName == thisStudioName:
+                if ladish_conf and ladish_conf.get('/org/ladish/daemon/notify')[0] == "true":
+                    ladish_conf.set('/org/ladish/daemon/notify', "false")
+                    ladishNotifyHack = True
+
+                ladish_control.LoadStudio(thisStudioName)
+                ladish_studio = DBus.bus.get_object("org.ladish", "/org/ladish/Studio")
+
+                if not bool(ladish_studio.IsStarted()):
+                    ladish_studio.Start()
+
+                if ladishNotifyHack:
+                    ladish_conf.set('/org/ladish/daemon/notify', "true")
+
+                break
+
+        else:
+            startJack()
+
+    else:
+        startJack()
+
+    if not bool(DBus.jack.IsStarted()):
+        print("JACK Failed to Start")
+        return False
+
+    if GlobalSettings.value("A2J/AutoStart", True, type=bool) and DBus.a2j and not bool(DBus.a2j.is_started()):
+        a2jExportHW = GlobalSettings.value("A2J/ExportHW", True, type=bool)
+        DBus.a2j.set_hw_export(a2jExportHW)
+        DBus.a2j.start()
+
+    if GlobalSettings.value("Pulse2JACK/AutoStart", True, type=bool):
+        if GlobalSettings.value("Pulse2JACK/PlaybackModeOnly", False, type=bool):
+            os.system("cadence-pulse2jack -p")
+        else:
+            os.system("cadence-pulse2jack")
+
+    print("JACK Started Successfully")
+    return True
+
+def startJack():
+    if not bool(DBus.jack.IsStarted()):
+        DBus.jack.StartServer()
 
 def printLADSPA_PATH():
     EXTRA_LADSPA_DIRS = GlobalSettings.value("AudioPlugins/EXTRA_LADSPA_PATH", "", type=str).split(":")

src/shared_cadence.py

@@ -0,0 +1,89 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+# Imports (Global)
+import os
+from PyQt4.QtCore import QProcess, QSettings
+from time import sleep
+
+# Imports (Custom Stuff)
+from shared import *
+
+# Default Plugin PATHs
+DEFAULT_LADSPA_PATH = [
+    os.path.join(HOME, ".ladspa"),
+    os.path.join("/", "usr", "lib", "ladspa"),
+    os.path.join("/", "usr", "local", "lib", "ladspa")
+]
+
+DEFAULT_DSSI_PATH = [
+    os.path.join(HOME, ".dssi"),
+    os.path.join("/", "usr", "lib", "dssi"),
+    os.path.join("/", "usr", "local", "lib", "dssi")
+]
+
+DEFAULT_LV2_PATH = [
+    os.path.join(HOME, ".lv2"),
+    os.path.join("/", "usr", "lib", "lv2"),
+    os.path.join("/", "usr", "local", "lib", "lv2")
+]
+
+DEFAULT_VST_PATH = [
+    os.path.join(HOME, ".vst"),
+    os.path.join("/", "usr", "lib", "vst"),
+    os.path.join("/", "usr", "local", "lib", "vst")
+]
+
+# Global Settings
+GlobalSettings = QSettings("Cadence", "GlobalSettings")
+
+# Get Process list
+def getProcList():
+    retProcs = []
+
+    process = QProcess()
+    process.start("ps", ["-e"])
+    process.waitForFinished()
+
+    processDump = process.readAllStandardOutput().split("\n")
+
+    for i in range(len(processDump)):
+        if (i == 0): continue
+        dumpTest = str(processDump[i]).rsplit(":", 1)[-1].split(" ")
+        if len(dumpTest) > 1:
+            retProcs.append(dumpTest[1])
+
+    return retProcs
+
+def stopAllAudioProcesses():
+    process = QProcess()
+
+    procsTerm = ["a2j", "a2jmidid", "artsd", "jackd", "jackdmp", "knotify4", "lash", "ladishd", "ladiappd", "ladiconfd", "jmcore"]
+    procsKill = ["jackdbus", "pulseaudio"]
+    tries = 20
+
+    process.start("killall", procsTerm)
+    process.waitForFinished()
+
+    for x in range(tries):
+        procsList = getProcList()
+        for term in range(len(procsTerm)):
+            if term in procsList:
+                break
+            else:
+                sleep(0.1)
+        else:
+            break
+
+    process.start("killall", ["-KILL"] + procsKill)
+    process.waitForFinished()
+
+    for x in range(tries):
+        procsList = getProcList()
+        for kill in range(len(procsKill)):
+            if kill in procsList:
+                break
+            else:
+                sleep(0.1)
+        else:
+            break