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#!/usr/bin/python
# SPDX-License-Identifier: LGPL-2.1-or-later
from __future__ import absolute_import, print_function, unicode_literals
import sys
import dbus
import dbus.exceptions
import dbus.service
import dbus.mainloop.glib
import array
try:
from gi.repository import GObject
except ImportError:
import gobject as GObject
import bluezutils
ENDPOINT_IFACE = 'org.bluez.MediaEndpoint1'
DBUS_OM_IFACE = 'org.freedesktop.DBus.ObjectManager'
DBUS_PROP_IFACE = 'org.freedesktop.DBus.Properties'
A2DP_SOURCE_UUID = '0000110A-0000-1000-8000-00805F9B34FB'
A2DP_SINK_UUID = '0000110B-0000-1000-8000-00805F9B34FB'
SBC_CODEC = dbus.Byte(0x00)
#Channel Modes: Mono DualChannel Stereo JointStereo
#Frequencies: 16Khz 32Khz 44.1Khz 48Khz
#Subbands: 4 8
#Blocks: 4 8 12 16
#Bitpool Range: 2-64
SBC_CAPABILITIES = dbus.Array([dbus.Byte(0xff), dbus.Byte(0xff), dbus.Byte(2), dbus.Byte(64)])
# JointStereo 44.1Khz Subbands: Blocks: 16 Bitpool Range: 2-32
SBC_CONFIGURATION = dbus.Array([dbus.Byte(0x21), dbus.Byte(0x15), dbus.Byte(2), dbus.Byte(32)])
MP3_CODEC = dbus.Byte(0x01)
#Channel Modes: Mono DualChannel Stereo JointStereo
#Frequencies: 32Khz 44.1Khz 48Khz
#CRC: YES
#Layer: 3
#Bit Rate: All except Free format
#VBR: Yes
#Payload Format: RFC-2250
MP3_CAPABILITIES = dbus.Array([dbus.Byte(0x3f), dbus.Byte(0x07), dbus.Byte(0xff), dbus.Byte(0xfe)])
# JointStereo 44.1Khz Layer: 3 Bit Rate: VBR Format: RFC-2250
MP3_CONFIGURATION = dbus.Array([dbus.Byte(0x21), dbus.Byte(0x02), dbus.Byte(0x00), dbus.Byte(0x80)])
PCM_CODEC = dbus.Byte(0x00)
PCM_CONFIGURATION = dbus.Array([], signature="ay")
CVSD_CODEC = dbus.Byte(0x01)
class Rejected(dbus.DBusException):
_dbus_error_name = "org.bluez.Error.Rejected"
class InvalidArgsException(dbus.exceptions.DBusException):
_dbus_error_name = 'org.freedesktop.DBus.Error.InvalidArgs'
class Endpoint(dbus.service.Object):
def __init__(self, bus, path, properties, configuration):
self.path = path
self.bus = bus
self.properties = properties
self.configuration = configuration
self.exit_on_release = True
dbus.service.Object.__init__(self, bus, self.path)
def get_properties(self):
return self.properties
def get_path(self):
return dbus.ObjectPath(self.path)
@dbus.service.method(DBUS_PROP_IFACE, in_signature='s',
out_signature='a{sv}')
def GetAll(self, interface):
if interface != ENDPOINT_IFACE:
raise InvalidArgsException()
return self.get_properties()
def set_exit_on_release(self, exit_on_release):
self.exit_on_release = exit_on_release
def default_configuration(self, configuration):
self.configuration = configuration
@dbus.service.method(ENDPOINT_IFACE, in_signature="", out_signature="")
def Release(self):
print("Release")
if self.exit_on_release:
mainloop.quit()
@dbus.service.method(ENDPOINT_IFACE, in_signature="o", out_signature="")
def ClearConfiguration(self, transport):
print("ClearConfiguration (%s)" % (transport))
@dbus.service.method(ENDPOINT_IFACE, in_signature="oay", out_signature="")
def SetConfiguration(self, transport, config):
print("SetConfiguration (%s, %s)" % (transport, config))
return
@dbus.service.method(ENDPOINT_IFACE, in_signature="ay", out_signature="ay")
def SelectConfiguration(self, caps):
print("SelectConfiguration (%s)" % (caps))
return self.configuration
class Application(dbus.service.Object):
def __init__(self, bus, path, properties, configuration):
self.path = '/'
self.endpoints = []
dbus.service.Object.__init__(self, bus, self.path)
self.add_endpoint(Endpoint(bus, path, properties, configuration))
def get_path(self):
return dbus.ObjectPath(self.path)
def add_endpoint(self, endpoint):
self.endpoints.append(endpoint)
@dbus.service.method(DBUS_OM_IFACE, out_signature='a{oa{sa{sv}}}')
def GetManagedObjects(self):
response = {}
print('GetManagedObjects')
for endpoint in self.endpoints:
response[endpoint.get_path()] = { ENDPOINT_IFACE:
endpoint.get_properties() }
return response
def register_app_cb():
print('Media application registered')
def register_app_error_cb(error):
print('Failed to register application: ' + str(error))
mainloop.quit()
if __name__ == '__main__':
dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)
bus = dbus.SystemBus()
if len(sys.argv) > 1:
path = bluezutils.find_adapter(sys.argv[1]).object_path
else:
path = bluezutils.find_adapter().object_path
media = dbus.Interface(bus.get_object("org.bluez", path),
"org.bluez.Media1")
properties = dbus.Dictionary({ "UUID" : A2DP_SOURCE_UUID,
"Codec" : SBC_CODEC,
"DelayReporting" : True,
"Capabilities" : SBC_CAPABILITIES })
configuration = SBC_CONFIGURATION
if len(sys.argv) > 2:
if sys.argv[2] == "sbcsink":
properties = dbus.Dictionary({ "UUID" : A2DP_SINK_UUID,
"Codec" : SBC_CODEC,
"DelayReporting" : True,
"Capabilities" : SBC_CAPABILITIES })
if sys.argv[2] == "mp3source":
properties = dbus.Dictionary({ "UUID" : A2DP_SOURCE_UUID,
"Codec" : MP3_CODEC,
"Capabilities" : MP3_CAPABILITIES })
configuration = MP3_CONFIGURATION
if sys.argv[2] == "mp3sink":
properties = dbus.Dictionary({ "UUID" : A2DP_SINK_UUID,
"Codec" : MP3_CODEC,
"Capabilities" : MP3_CAPABILITIES })
configuration = MP3_CONFIGURATION
print(properties)
path = "/test/endpoint"
app = Application(bus, path, properties, configuration)
mainloop = GObject.MainLoop()
media.RegisterApplication(app.get_path(), {},
reply_handler=register_app_cb,
error_handler=register_app_error_cb)
mainloop.run()
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