def queueFrameCapture(self, frameCallback = None):
"""
Queue frames that may be filled during frame capturing.
Runs VmbCaptureFrameQueue
Call after announceFrame and startCapture
Callback must accept argument of type frame. Remember to requeue the
frame by calling frame.queueFrameCapture(frameCallback) at the end of
your callback function.
"""
# remember the given callback function
self._frameCallback = frameCallback
# define a callback wrapper here so it doesn't bind self
def frameCallbackWrapper(p_frame):
# call the user's callback with the self bound outside the wrapper
# ignore the frame pointer since we already know the callback
# refers to this frame
self._frameCallback(self)
if self._frameCallback is None:
self._frameCallbackWrapper_C = None
else:
# keep a reference to prevent gc issues
self._frameCallbackWrapper_C = \
VimbaDLL.frameDoneCallback(frameCallbackWrapper)
errorCode = VimbaDLL.captureFrameQueue(self._handle,
byref(self._frame),
self._frameCallbackWrapper_C)
if errorCode != 0:
raise VimbaException(errorCode)
def queueFrameCapture(self, frameCallback=None):
"""
Queue frames that may be filled during frame capturing.
Runs VmbCaptureFrameQueue
Call after announceFrame and startCapture
Callback must accept argument of type frame. Remember to requeue the
frame by calling frame.queueFrameCapture(frameCallback) at the end of
your callback function.
"""
# remember the given callback function
self._frameCallback = frameCallback
# define a callback wrapper here so it doesn't bind self
def frameCallbackWrapper(cam_handle, p_frame):
# call the user's callback with the self bound outside the wrapper
# ignore the frame pointer since we already know the callback
# refers to this frame
self._frameCallback(self)
if self._frameCallback is None:
self._frameCallbackWrapper_C = None
else:
# keep a reference to prevent gc issues
self._frameCallbackWrapper_C = VimbaDLL.frameDoneCallback(
frameCallbackWrapper)
errorCode = VimbaDLL.captureFrameQueue(self._handle,
byref(self._frame),
self._frameCallbackWrapper_C)
if errorCode != 0:
raise VimbaException(errorCode)
