Merge pull request #1942 from chewitt/btaddon

bluetooth-audio: initial add-on

packages/addons/service/bluetooth-audio/changelog.txt

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+101
+- Fix log errors
+
+100
+- Initial release

packages/addons/service/bluetooth-audio/package.mk

@@ -0,0 +1,46 @@
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016-present Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+PKG_NAME="bluetooth-audio"
+PKG_VERSION="0"
+PKG_REV="101"
+PKG_ARCH="any"
+PKG_LICENSE="GPL"
+PKG_SITE=""
+PKG_URL=""
+PKG_DEPENDS_TARGET="toolchain"
+PKG_SECTION="service"
+PKG_SHORTDESC="Provides the ability to change the kodi audio device if a bluetooth audio device is connected"
+PKG_LONGDESC="Provides the ability to change the kodi audio device if a bluetooth audio device is connected"
+PKG_AUTORECONF="no"
+
+PKG_IS_ADDON="yes"
+PKG_ADDON_NAME="Bluetooth Audio Device Changer"
+PKG_ADDON_TYPE="xbmc.service"
+
+make_target() {
+  :
+}
+
+makeinstall_target() {
+  :
+}
+
+addon() {
+  :
+}

packages/addons/service/bluetooth-audio/source/default.py

@@ -0,0 +1,194 @@
+################################################################################
+#      This file is part of LibreELEC - https://libreelec.tv
+#      Copyright (C) 2016-present Team LibreELEC
+#
+#  LibreELEC is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  LibreELEC is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with LibreELEC.  If not, see <http://www.gnu.org/licenses/>.
+################################################################################
+
+import dbus
+import dbus.mainloop.glib
+import gobject
+import json
+import threading
+import time
+import xbmc
+import xbmcaddon
+
+__addon__ = xbmcaddon.Addon()
+__addonid__ = __addon__.getAddonInfo('id')
+
+gobject.threads_init()
+
+class KodiFunctions(object):
+
+  def __init__(self):
+
+    self.getjson = {
+                      "jsonrpc": "2.0",
+                      "method": "Settings.GetSettingValue",
+                      "params": {
+                                  "setting": "audiooutput.audiodevice",
+                                },
+                      "id": 1,
+                   }
+
+    self.setjson = {
+                      "jsonrpc": "2.0",
+                      "method": "Settings.SetSettingValue",
+                      "params": {
+                                  "setting": "audiooutput.audiodevice",
+                                  "value": "",
+                                },
+                      "id": 1,
+                   }
+
+    if __addon__.getSetting('audiodevice') == '':
+      self.audiodevice = json.loads(xbmc.executeJSONRPC(json.dumps(self.getjson)))['result']['value']
+      __addon__.setSetting('audiodevice', self.audiodevice)
+    else:
+      self.audiodevice = __addon__.getSetting('audiodevice')
+    self.pulsedevice = 'PULSE:Default'
+
+    self.select_default()
+
+  def select_default(self):
+
+    self.setjson['params']['value'] = self.audiodevice
+    xbmc.executeJSONRPC(json.dumps(self.setjson))
+
+  def select_pulse(self):
+
+    self.setjson['params']['value'] = self.pulsedevice
+    xbmc.executeJSONRPC(json.dumps(self.setjson))
+
+class BluetoothAudioClient(object):
+
+  def __init__(self):
+
+    xbmc.log('%s: starting add-on' % __addonid__, xbmc.LOGNOTICE)
+
+    self.devices = {}
+    self.signal_added = None
+    self.signal_removed = None
+
+    self.kodi = KodiFunctions()
+
+    self._setup_loop()
+    self._setup_bus()
+    self._setup_signals()
+
+  def quit(self):
+
+    xbmc.log('%s: stopping add-on' % __addonid__, xbmc.LOGNOTICE)
+
+    self.kodi.select_default()
+
+    self.signal_added.remove()
+    self.signal_removed.remove()
+
+    self._loop.quit()
+
+  def _setup_loop(self):
+
+    self._loop = gobject.MainLoop()
+
+    self._thread = threading.Thread(target=self._loop.run)
+    self._thread.start()
+
+  def _setup_bus(self):
+
+    dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
+    self._bus = dbus.SystemBus()
+
+  def _setup_signals(self):
+
+    self.signal_added = self._bus.add_signal_receiver(handler_function=self.switch_audio,
+                                                      signal_name='InterfacesAdded',
+                                                      dbus_interface='org.freedesktop.DBus.ObjectManager',
+                                                      bus_name='org.bluez',
+                                                      member_keyword='signal')
+
+    self.signal_removed = self._bus.add_signal_receiver(handler_function=self.switch_audio,
+                                                        signal_name='InterfacesRemoved',
+                                                        dbus_interface='org.freedesktop.DBus.ObjectManager',
+                                                        bus_name='org.bluez',
+                                                        member_keyword='signal')
+
+  def switch_audio(self, *args, **kwargs):
+
+    device_path = args[0]
+
+    try:
+      if kwargs['signal'] == 'InterfacesAdded':
+
+        self.devices[device_path] = {
+                                      'Connected': '',
+                                      'Device': '',
+                                      'Class': '',
+                                    }
+
+        device = self._bus.get_object('org.bluez', device_path)
+        device_iface = dbus.Interface(device, dbus.PROPERTIES_IFACE)
+        self.devices[device_path]['Device'] = device_iface.Get('org.bluez.MediaTransport1', 'Device')
+
+        audio_device_path = self._bus.get_object('org.bluez', self.devices[device_path]['Device'])
+        audio_device_iface = dbus.Interface(audio_device_path, dbus.PROPERTIES_IFACE)
+        self.devices[device_path]['Class'] = audio_device_iface.Get('org.bluez.Device1', 'Class')
+        self.devices[device_path]['Connected'] = audio_device_iface.Get('org.bluez.Device1', 'Connected')
+
+        if self.devices[device_path]['Class'] & (1 << 21):
+          xbmc.log('%s: bluetooth audio device connected' % __addonid__, xbmc.LOGNOTICE)
+          xbmc.log('%s: switching to bluetooth audio device' % __addonid__, xbmc.LOGNOTICE)
+          self.kodi.select_pulse()
+
+      elif kwargs['signal'] == 'InterfacesRemoved':
+        if self.devices[device_path]['Device'] is not None and self.devices[device_path]['Class'] & (1 << 21):
+          audio_device_path = self._bus.get_object('org.bluez', self.devices[device_path]['Device'])
+          audio_device_iface = dbus.Interface(audio_device_path, dbus.PROPERTIES_IFACE)
+          self.devices[device_path]['Connected'] = audio_device_iface.Get('org.bluez.Device1', 'Connected')
+
+          while self.devices[device_path]['Connected']:
+            self.devices[device_path]['Connected'] = audio_device_iface.Get('org.bluez.Device1', 'Connected')
+            time.sleep(0.1)
+
+          xbmc.log('%s: bluetooth audio device disconnected' % __addonid__, xbmc.LOGNOTICE)
+          xbmc.log('%s: checking for other connected devices' % __addonid__, xbmc.LOGNOTICE)
+
+          for path in self.devices:
+            if self.devices[path]['Connected'] and self.devices[path]['Class'] & (1 << 21):
+              xbmc.log('%s: found connected bluetooth audio device' % __addonid__, xbmc.LOGNOTICE)
+              return
+
+          xbmc.log('%s: switching to default audio device' % __addonid__, xbmc.LOGNOTICE)
+          self.kodi.select_default()
+
+    except (TypeError, KeyError, dbus.exceptions.DBusException) as e:
+      xbmc.log('%s: ' % __addonid__ + unicode(e), xbmc.LOGERROR)
+
+class BluetoothMonitor(xbmc.Monitor):
+
+  def __init__(self, *args, **kwargs):
+
+    xbmc.Monitor.__init__(self)
+
+if (__name__ == "__main__"):
+  monitor = BluetoothMonitor()
+  client = BluetoothAudioClient()
+
+  monitor.waitForAbort()
+
+  client.quit()
+
+  del BluetoothAudioClient
+  del BluetoothMonitor

packages/addons/service/bluetooth-audio/source/resources/language/English/strings.po

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+# Kodi Media Center language file
+# Addon Name: bluetooth-audio
+# Addon id: service.bluetooth-audio
+
+msgctxt "#30000"
+msgid "Settings"
+msgstr ""
+
+msgctxt "#30001"
+msgid "Audio Device"
+msgstr ""

packages/addons/service/bluetooth-audio/source/resources/settings.xml

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+<?xml version="1.0" encoding="utf-8" standalone="yes"?>
+<settings>
+   <category   label="30000">
+      <setting label="30001" type="text" id="audiodevice" default=""/>
+   </category>
+</settings>
+