def __get_device(self, device_id):
device = self.__device_enum.get_device(device_id)
device_topology = comtypes.cast(
device.Activate(
IID_IDeviceTopology,
CLSCTX_INPROC_SERVER
),
PIDeviceTopology
)
return AudioDevice(
device_topology.GetDeviceId(),
self.__device_enum
)
def __default_endpoint(self):
from device import AudioDevice
endpoint = self.__device_enum.default_endpoint(self.__data_flow)
device_topology = comtypes.cast(
endpoint.Activate(IID_IDeviceTopology, CLSCTX_INPROC_SERVER),
PIDeviceTopology)
device = AudioDevice(device_topology.GetDeviceId(), self.__device_enum)
endpoint_id = endpoint.GetId()
for endpoint in device:
if endpoint.id == endpoint_id:
return endpoint
def __devices(self):
used_names = []
for endpt in self.__device_enum.endpoints:
pStore = endpt.OpenPropertyStore(STGM_READ)
try:
name = pStore.GetValue(PKEY_DeviceInterface_FriendlyName)
except comtypes.COMError:
continue
if name not in used_names:
used_names += [name]
device_topology = comtypes.cast(
endpt.Activate(IID_IDeviceTopology, CLSCTX_INPROC_SERVER),
PIDeviceTopology)
yield AudioDevice(device_topology.GetDeviceId(),
self.__device_enum)
def activate(self, iid, pointer):
return comtypes.cast(self.__part.Activate(CLSCTX_INPROC_SERVER, iid),
pointer)
'Unregister',
(['in'], DWORD, 'dwCookie'),
),
]
comtypes.CoInitialize()
pServiceProvider = comtypes.CoCreateInstance(
CLSID_ImmersiveShell,
IServiceProvider,
comtypes.CLSCTX_LOCAL_SERVER,
)
pDesktopManagerInternal = comtypes.cast(
pServiceProvider.QueryService(CLSID_VirtualDesktopManagerInternal,
IID_IVirtualDesktopManagerInternal),
ctypes.POINTER(IVirtualDesktopManagerInternal))
pObjectArray = POINTER(IObjectArray)()
pDesktopManagerInternal.GetDesktops(ctypes.byref(pObjectArray))
count = UINT()
pObjectArray.GetCount(ctypes.byref(count))
for i in range(count):
pDesktop = POINTER(IVirtualDesktop)()
pObjectArray.GetAt(i, IID_IVirtualDesktop, ctypes.byref(pDesktop))
id = GUID()
pDesktop.GetID(ctypes.byref(id))
def __activate(self, iid, pointer):
try:
return comtypes.cast(
self.__endpoint.Activate(iid, CLSCTX_INPROC_SERVER), pointer)
except comtypes.COMError:
raise AttributeError
def __device_topology(self):
return comtypes.cast(
self.__endpoint.Activate(IID_IDeviceTopology,
CLSCTX_INPROC_SERVER), PIDeviceTopology)
