def snapshot(self, timeout=1):
self.__imageCache = Queue.Queue(64)
self.burstCount = 2
self.openCapture()
ret = self.__cam.StartDevice()
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
frame = fg.FGFRAME()
for i in xrange(2):
ret = self.__cam.GetFrame(frame)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
if i != 1:
ret = self.__cam.PutFrame(frame)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
continue
try:
rc = self.roi
w = rc[2]
h = rc[3]
flagInvalid = frame.Flags & fg.FGF_INVALID
flagLast = frame.Flags & fg.FGF_LAST
flagDMAHalted = frame.Flags & fg.FGF_DMAHALTED
flagForcePost = frame.Flags & fg.FGF_FORCEPOST
tsl = frame.RxTime.Low
tsh = frame.RxTime.High
if self.deinterlace is None:
# No deinterlace
rawData = fg.cdata(frame.pData, frame.Length)
else:
rawData = fg.Deinterlace(frame, self.deinterlace, w, h, w,
w * h)
snapshotData = {
'RawData': rawData,
'ROI': rc,
'FrameId': frame.Id,
'Invalid': bool(flagInvalid),
'Last': bool(flagLast),
'DMAHalted': bool(flagDMAHalted),
'ForcePost': bool(flagForcePost),
'TimeStamp': tsl,
'BufferLength': frame.Length,
'Depth': 8
}
except Queue.Full:
logging.debug('Queue full')
pass
finally:
ret = self.__cam.PutFrame(frame)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
self.__cam.StopDevice()
self.__cam.CloseCapture()
return snapshotData
def frameMonitor():
for cnt in xrange(frameCnt):
if self.__stopFlag:
break
frame = fg.FGFRAME()
timeout = 1000
ret = self.__cam.GetFrame(frame, timeout)
if ret == fg.FCE_NOERROR:
try:
w = rc[2]
h = rc[3]
flagInvalid = frame.Flags & fg.FGF_INVALID
flagLast = frame.Flags & fg.FGF_LAST
flagDMAHalted = frame.Flags & fg.FGF_DMAHALTED
flagForcePost = frame.Flags & fg.FGF_FORCEPOST
tsh = frame.RxTime.High
tsl = frame.RxTime.Low
if self.deinterlace is None:
# No deinterlace
rawData = fg.cdata(frame.pData, frame.Length)
else:
rawData = fg.Deinterlace(frame, self.deinterlace,
w, h, w, w * h)
self.__imageCache.put_nowait({
'RawData':
rawData,
'ROI':
rc,
'FrameId':
frame.Id,
'Invalid':
bool(flagInvalid),
'Last':
bool(flagLast),
'DMAHalted':
bool(flagDMAHalted),
'ForcePost':
bool(flagForcePost),
'TimeStamp':
tsh * 2**32 + tsl,
'BufferLength':
frame.Length,
'Depth':
8
})
except Queue.Full:
# logging.debug('Queue full')
pass
finally:
ret = self.__cam.PutFrame(frame)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
else:
raise AVTCameraError(ret)
def getNodeList(cls):
'''
Get available node list.
'''
maxCnt = 16
nodeList = fg.new_FGNodeInfoArray(maxCnt)
ret, cnt = fg.FGGetNodeList(nodeList, maxCnt)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
return tuple(
fg.FGNodeInfoArray_getitem(nodeList, i) for i in xrange(cnt))
def __init__(self, node):
'''
Constructor. node is returned by getNodeList
'''
self.__node = node
self.isConnected = False
self.__thread = None
self.deinterlace = None
self.__imageCache = Queue.Queue(64)
self.__stopFlag = False
self.__imageMode = 0
frame = fg.FGFRAME()
frame.RxTime.Low = 5
logging.debug(frame.RxTime.Low)
logging.debug(fg.test(frame, 31) / 1e7)
logging.debug(frame.RxTime.Low)
def setImageMode(self, mode):
ret = self.__cam.SetParameter(
fg.FGP_IMAGEFORMAT,
fg.MakeImageFormat(fg.RES_SCALABLE, fg.CM_Y8, mode))
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
self.__imageMode = mode
def snapshot(self, timeout=1):
self.__imageCache = Queue.Queue(64)
self.burstCount = 2
self.openCapture()
ret = self.__cam.StartDevice()
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
frame = fg.FGFRAME()
for i in xrange(2):
ret = self.__cam.GetFrame(frame)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
if i != 1:
ret = self.__cam.PutFrame(frame)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
continue
try:
rc = self.roi
w = rc[2]
h = rc[3]
flagInvalid = frame.Flags & fg.FGF_INVALID
flagLast = frame.Flags & fg.FGF_LAST
flagDMAHalted = frame.Flags & fg.FGF_DMAHALTED
flagForcePost = frame.Flags & fg.FGF_FORCEPOST
tsl = frame.RxTime.Low
tsh = frame.RxTime.High
if self.deinterlace is None:
# No deinterlace
rawData = fg.cdata(frame.pData, frame.Length)
else:
rawData = fg.Deinterlace(frame, self.deinterlace, w, h, w, w * h)
snapshotData = {
"RawData": rawData,
"ROI": rc,
"FrameId": frame.Id,
"Invalid": bool(flagInvalid),
"Last": bool(flagLast),
"DMAHalted": bool(flagDMAHalted),
"ForcePost": bool(flagForcePost),
"TimeStamp": tsl,
"BufferLength": frame.Length,
"Depth": 8,
}
except Queue.Full:
logging.debug("Queue full")
pass
finally:
ret = self.__cam.PutFrame(frame)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
self.__cam.StopDevice()
self.__cam.CloseCapture()
return snapshotData
def getNodeList(cls):
"""
Get available node list.
"""
maxCnt = 16
nodeList = fg.new_FGNodeInfoArray(maxCnt)
ret, cnt = fg.FGGetNodeList(nodeList, maxCnt)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
return tuple(fg.FGNodeInfoArray_getitem(nodeList, i) for i in xrange(cnt))
def __init__(self, node):
'''
Constructor. node is returned by getNodeList
'''
self.__node = node
self.__cam = fg.CFGCamera()
self.isConnected = False
self.__thread = None
self.deinterlace = None
self.__imageCache = Queue.Queue(64)
self.__stopFlag = False
self.__imageMode = 0
def getParameter(self, para):
pinfo = fg.FGPINFO()
ret = self.__cam.GetParameterInfo(para, pinfo)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
if pinfo.IsValue == fg.PVAL.PVAL_OFF:
val = 'OFF'
elif pinfo.IsValue == fg.PVAL.PVAL_ONESHOT:
val = 'ONESHOT'
elif pinfo.IsValue == fg.PVAL.PVAL_AUTO:
val = 'Auto'
else:
val = pinfo.IsValue
return {'Value': val, 'Min': pinfo.MinValue, 'Max': pinfo.MaxValue}
def __init__(self, node):
"""
Constructor. node is returned by getNodeList
"""
self.__node = node
self.isConnected = False
self.__thread = None
self.deinterlace = None
self.__imageCache = Queue.Queue(64)
self.__stopFlag = False
self.__imageMode = 0
frame = fg.FGFRAME()
frame.RxTime.Low = 5
logging.debug(frame.RxTime.Low)
logging.debug(fg.test(frame, 31) / 1e7)
logging.debug(frame.RxTime.Low)
def frameMonitor():
for cnt in xrange(frameCnt):
if self.__stopFlag:
break
frame = fg.FGFRAME()
timeout = 1000
ret = self.__cam.GetFrame(frame, timeout)
if ret == fg.FCE_NOERROR:
try:
w = rc[2]
h = rc[3]
flagInvalid = frame.Flags & fg.FGF_INVALID
flagLast = frame.Flags & fg.FGF_LAST
flagDMAHalted = frame.Flags & fg.FGF_DMAHALTED
flagForcePost = frame.Flags & fg.FGF_FORCEPOST
tsh = frame.RxTime.High
tsl = frame.RxTime.Low
if self.deinterlace is None:
# No deinterlace
rawData = fg.cdata(frame.pData, frame.Length)
else:
rawData = fg.Deinterlace(frame, self.deinterlace, w, h, w, w * h)
self.__imageCache.put_nowait(
{
"RawData": rawData,
"ROI": rc,
"FrameId": frame.Id,
"Invalid": bool(flagInvalid),
"Last": bool(flagLast),
"DMAHalted": bool(flagDMAHalted),
"ForcePost": bool(flagForcePost),
"TimeStamp": tsh * 2 ** 32 + tsl,
"BufferLength": frame.Length,
"Depth": 8,
}
)
except Queue.Full:
# logging.debug('Queue full')
pass
finally:
ret = self.__cam.PutFrame(frame)
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
else:
raise AVTCameraError(ret)
def getNodeList(cls):
'''
Get available node list.
'''
return (fg.FGNODEINFO(), )
def releaseLibrary():
fg.FGExitModule()
def initLibrary():
ret = fg.FGInitModule()
if ret != fg.FCE_NOERROR:
raise AVTCameraError(ret)
