def dropIntercom(self):
if self.intercom_ipc_index is None:
print("dropIntercom: no intercom")
return
self.sendMessageToBack(MessageObject(
"dropIntercom"
# ipc_index = ipc_index # event fd index for the intecom channel
))
self.intercom_ipc_index = None
def activateFMP4Client(self,
name=None,
n_ringbuffer=None,
n_size=None,
ipc_index=None):
self.sendMessageToBack(
MessageObject("activateFMP4Client",
name=name,
n_ringbuffer=n_ringbuffer,
n_size=n_size,
ipc_index=ipc_index))
def activateRGB24Client(self,
name=None,
n_ringbuffer=None,
width=None,
height=None,
ipc_index=None
):
"""Tells process to start getting frames from libValkka cpp side
"""
self.sendMessageToBack(MessageObject(
"activateRGB24Client",
name=name,
n_ringbuffer=n_ringbuffer,
width=width,
height=height,
ipc_index=ipc_index
))
def listenIntercom(self,
name=None,
n_ringbuffer=None,
n_bytes=None,
ipc_index=None
):
if self.intercom_ipc_index is not None:
print("listenIntercom: already listening to master")
return
self.sendMessageToBack(MessageObject(
"listenIntercom",
name=name,
n_ringbuffer=n_ringbuffer,
n_bytes=n_bytes,
ipc_index=ipc_index # event fd index for the intecom channel
))
self.intercom_ipc_index = ipc_index
def deactivateRGB24Client(self, ipc_index):
"""This frontend method returns only after the backend
method "c__deactivateRGB24Client" exits.
It's a good idea to do this, for example, when adding/removing rgb shmem
servers and clients.
This is done using the SyncIndex context manager:
"""
with SyncIndex(self.eg) as i:
# this section exits once the backend
# call is ready
self.sendMessageToBack(MessageObject(
"deactivateRGB24Client",
ipc_index=ipc_index,
event_index=i
))
print("deactivateRGB24Client OK", ipc_index)
def customCall(self, parameter=1):
# your demo custom call :)
self.sendMessageToBack(MessageObject("customCall",
parameter=parameter))
def deactivateFMP4Client(self, ipc_index=None):
self.sendMessageToBack(
MessageObject("deactivateFMP4Client", ipc_index=ipc_index))