def do_image_polling(self, sleep_time):
with Vimba() as vimba:
system = vimba.getSystem()
if system.GeVTLIsPresent:
system.runFeatureCommand("GeVDiscoveryAllOnce")
time.sleep(0.2)
cameraIds = vimba.getCameraIds()
# self.camera = vimba.getCamera(self.camera_id)
self.camera = vimba.getCamera(cameraIds[self.camera_index])
self.camera.openCamera(cameraAccessMode=2)
self.camera.framerate = 1
self.frame0 = self.camera.getFrame() # creates a frame
self.frame0.announceFrame()
self.camera.startCapture()
self.raw_image_dimensions = (self.frame0.width, self.frame0.height)
while True:
self.frame0.waitFrameCapture(1000)
self.frame0.queueFrameCapture()
if self.use_qt:
self.qimage = QImage(
self.frame0.getBufferByteData(),
self.raw_image_dimensions[0],
self.raw_image_dimensions[1],
QImage.Format_RGB888,
)
if self.cam_mirror is not None:
self.qimage = self.qimage.mirrored(
self.cam_mirror[0], self.cam_mirror[1])
if self.qpixmap is None:
self.qpixmap = QPixmap(self.qimage)
else:
self.qpixmap.convertFromImage(self.qimage)
self.emit("imageReceived", self.qpixmap)
else:
image_data = np.ndarray(
buffer=self.frame0.getBufferByteData(),
dtype=np.uint8,
shape=(
self.frame0.height,
self.frame0.width,
self.frame0.pixel_bytes,
),
)
image_data = cv2.cvtColor(image_data, cv2.COLOR_BGR2RGBA)
ret, im = cv2.imencode(".jpg", image_data)
self.emit(
"imageReceived",
im.tostring(),
self.frame0.width,
self.frame0.height,
)
time.sleep(sleep_time)
def load(icon_name):
"""
Try to load an icon from file and return the QPixmap object
"""
filename = get_icon_path(icon_name)
try:
icon = QPixmap(filename)
except BaseException:
return QPixmap(os.path.join(ICONS_DIR, "brick.png"))
else:
if icon.isNull():
return QPixmap(os.path.join(ICONS_DIR, "brick.png"))
else:
return icon
def refresh_video(self):
"""
Descript. : reads new image into member variable, scales it and emits
imageReceived event. Added for compatibility.
"""
image = self.get_new_image()
if image is not None:
self.image = QPixmap.fromImage(image.scaled(self.width, self.height))
self.emit("imageReceived", self.image)
def refresh_video(self):
"""
Descript. : reads new image into member variable, scales it and emits
imageReceived event. Added for compatibility.
"""
image = self.get_new_image()
if image is not None:
self.image = QPixmap.fromImage(image.scaled(self.width, self.height))
self.emit("imageReceived", self.image)
def _do_imagePolling(self, sleep_time):
"""
Descript. : worker method
"""
while True:
image = self.get_new_image()
if image is not None:
self.image = QPixmap.fromImage(image.scaled(self.width, self.height))
self.emit("imageReceived", self.image)
gevent.sleep(sleep_time)
def _do_imagePolling(self, sleep_time):
"""
Descript. : worker method
"""
while True:
image = self.get_new_image()
if image is not None:
self.image = QPixmap.fromImage(image.scaled(self.width, self.height))
self.emit("imageReceived", self.image)
gevent.sleep(sleep_time)
def get_new_image(self):
"""
Descript. :
"""
raw_buffer, width, height = self.get_image()
if raw_buffer is not None:
qimage = QImage(raw_buffer, width, height, QImage.Format_RGB888)
qpixmap = QPixmap(qimage)
self.emit("imageReceived", qpixmap)
return qimage
def do_image_polling(self, sleep_time):
with Vimba() as vimba:
system = vimba.getSystem()
if system.GeVTLIsPresent:
system.runFeatureCommand("GeVDiscoveryAllOnce")
time.sleep(0.2)
cameraIds = vimba.getCameraIds()
# self.camera = vimba.getCamera(self.camera_id)
self.camera = vimba.getCamera(cameraIds[self.camera_index])
self.camera.openCamera(cameraAccessMode=2)
self.camera.framerate = 1
self.frame0 = self.camera.getFrame() # creates a frame
self.frame0.announceFrame()
self.camera.startCapture()
self.raw_image_dimensions = (self.frame0.width, self.frame0.height)
while True:
self.frame0.waitFrameCapture(1000)
self.frame0.queueFrameCapture()
if self.use_qt:
self.qimage = QImage(
self.frame0.getBufferByteData(),
self.raw_image_dimensions[0],
self.raw_image_dimensions[1],
QImage.Format_RGB888,
)
if self.cam_mirror is not None:
self.qimage = self.qimage.mirrored(
self.cam_mirror[0], self.cam_mirror[1]
)
if self.qpixmap is None:
self.qpixmap = QPixmap(self.qimage)
else:
self.qpixmap.convertFromImage(self.qimage)
self.emit("imageReceived", self.qpixmap)
else:
image_data = np.ndarray(buffer=self.frame0.getBufferByteData(),
dtype=np.uint8,
shape=(self.frame0.height,
self.frame0.width,
self.frame0.pixel_bytes))
image_data = cv2.cvtColor(image_data, cv2.COLOR_BGR2RGBA)
ret, im = cv2.imencode('.jpg', image_data)
self.emit("imageReceived",
im.tostring(),
self.frame0.width,
self.frame0.height)
time.sleep(sleep_time)
def _do_imagePolling(self, sleep_time):
"""
Descript. : worker method
"""
while True:
if self.changing_pars:
self.log.debug(" / not reading image. busy changing pars")
gevent.sleep(sleep_time)
continue
image = self.get_new_image()
if image is not None:
self.image = QPixmap.fromImage(
image.scaled(self.width, self.height))
self.emit("imageReceived", self.image)
class VimbaVideo(AbstractVideoDevice):
def __init__(self, name):
AbstractVideoDevice.__init__(self, name)
self.camera = None
self.camera_index = 0
self.qimage = None
self.qpixmap = None
self.use_qt = False
self.raw_image_dimensions = [1360, 1024]
def init(self):
# start Vimba
self.camera_index = self.getProperty("camera_index", 0)
self.use_qt = self.getProperty('use_qt', True)
atexit.register(self.close_camera)
AbstractVideoDevice.init(self)
def get_raw_image_size(self):
return self.raw_image_dimensions
def do_image_polling(self, sleep_time):
with Vimba() as vimba:
system = vimba.getSystem()
if system.GeVTLIsPresent:
system.runFeatureCommand("GeVDiscoveryAllOnce")
time.sleep(0.2)
cameraIds = vimba.getCameraIds()
# self.camera = vimba.getCamera(self.camera_id)
self.camera = vimba.getCamera(cameraIds[self.camera_index])
self.camera.openCamera(cameraAccessMode=2)
self.camera.framerate = 1
self.frame0 = self.camera.getFrame() # creates a frame
self.frame0.announceFrame()
self.camera.startCapture()
self.raw_image_dimensions = (self.frame0.width, self.frame0.height)
while True:
self.frame0.waitFrameCapture(1000)
self.frame0.queueFrameCapture()
if self.use_qt:
self.qimage = QImage(
self.frame0.getBufferByteData(),
self.raw_image_dimensions[0],
self.raw_image_dimensions[1],
QImage.Format_RGB888,
)
if self.cam_mirror is not None:
self.qimage = self.qimage.mirrored(
self.cam_mirror[0], self.cam_mirror[1]
)
if self.qpixmap is None:
self.qpixmap = QPixmap(self.qimage)
else:
self.qpixmap.convertFromImage(self.qimage)
self.emit("imageReceived", self.qpixmap)
else:
image_data = np.ndarray(buffer=self.frame0.getBufferByteData(),
dtype=np.uint8,
shape=(self.frame0.height,
self.frame0.width,
self.frame0.pixel_bytes))
image_data = cv2.cvtColor(image_data, cv2.COLOR_BGR2RGBA)
ret, im = cv2.imencode('.jpg', image_data)
self.emit("imageReceived",
im.tostring(),
self.frame0.width,
self.frame0.height)
time.sleep(sleep_time)
def get_new_image(self):
return self.qimage
def get_video_live(self):
return True
def close_camera(self):
with Vimba() as vimba:
self.camera.flushCaptureQueue()
self.camera.endCapture()
self.camera.revokeAllFrames()
vimba.shutdown()
def start_camera(self):
pass
def change_owner(self):
pass
class VimbaVideo(AbstractVideoDevice):
def __init__(self, name):
AbstractVideoDevice.__init__(self, name)
self.camera = None
self.camera_index = 0
self.qimage = None
self.qpixmap = None
self.use_qt = False
self.raw_image_dimensions = [1360, 1024]
def init(self):
# start Vimba
self.camera_index = self.get_property("camera_index", 0)
self.use_qt = self.get_property("use_qt", True)
atexit.register(self.close_camera)
AbstractVideoDevice.init(self)
def get_raw_image_size(self):
return self.raw_image_dimensions
def do_image_polling(self, sleep_time):
with Vimba() as vimba:
system = vimba.getSystem()
if system.GeVTLIsPresent:
system.runFeatureCommand("GeVDiscoveryAllOnce")
time.sleep(0.2)
cameraIds = vimba.getCameraIds()
# self.camera = vimba.getCamera(self.camera_id)
self.camera = vimba.getCamera(cameraIds[self.camera_index])
self.camera.openCamera(cameraAccessMode=2)
self.camera.framerate = 1
self.frame0 = self.camera.getFrame() # creates a frame
self.frame0.announceFrame()
self.camera.startCapture()
self.raw_image_dimensions = (self.frame0.width, self.frame0.height)
while True:
self.frame0.waitFrameCapture(1000)
self.frame0.queueFrameCapture()
if self.use_qt:
self.qimage = QImage(
self.frame0.getBufferByteData(),
self.raw_image_dimensions[0],
self.raw_image_dimensions[1],
QImage.Format_RGB888,
)
if self.cam_mirror is not None:
self.qimage = self.qimage.mirrored(
self.cam_mirror[0], self.cam_mirror[1])
if self.qpixmap is None:
self.qpixmap = QPixmap(self.qimage)
else:
self.qpixmap.convertFromImage(self.qimage)
self.emit("imageReceived", self.qpixmap)
else:
image_data = np.ndarray(
buffer=self.frame0.getBufferByteData(),
dtype=np.uint8,
shape=(
self.frame0.height,
self.frame0.width,
self.frame0.pixel_bytes,
),
)
image_data = cv2.cvtColor(image_data, cv2.COLOR_BGR2RGBA)
ret, im = cv2.imencode(".jpg", image_data)
self.emit(
"imageReceived",
im.tostring(),
self.frame0.width,
self.frame0.height,
)
time.sleep(sleep_time)
def get_new_image(self):
return self.qimage
def get_video_live(self):
return True
def close_camera(self):
with Vimba() as vimba:
self.camera.flushCaptureQueue()
self.camera.endCapture()
self.camera.revokeAllFrames()
vimba.shutdown()
def start_camera(self):
pass
def change_owner(self):
pass