remove camera.py

camera.py

@@ -1,82 +0,0 @@
-import cv2, time
-from threading import RLock
-from sharedLogging import SlaveLogger
-from auxilary import freeBusyPath
-
-class Camera:
-	def __init__(self, queue):
-		self._lock = RLock()
-		self._index = 0
-		self._logger = SlaveLogger(__name__, 'DEBUG', queue)
-		
-		freeBusyPath('/dev/video{}'.format(self._index), self._logger)
-
-		# NOTE: we use 0-255 on forms instead of floats because they look nicer
-		logitechProperties = {
-			'FPS': 25,				# integer from 10 to 30 in multiples of 5
-			'BRIGHTNESS': 127/255,	# float from 0 to 1
-			'CONTRAST': 32/255,		# float from 0 to 1
-			'SATURATION': 32/255,	# float from 0 to 1
-			'GAIN': 64/255,			# float from 0 to 1
-		}
-		self._properties = {}
-		self.setProps(**logitechProperties)
-		
-	def getProps(self, *args):
-		return {prop: self._video.get(getattr(cv2, 'CAP_PROP_' + prop)) for prop in args}
-
-	def setProps(self, *args, **kwargs):
-		# silly hack, need to reset the videoCapture object every time
-		# we change settings (they can only be changed once apparently)
-		self._lock.acquire()
-		try:
-			if hasattr(self, '_video'):
-				self._video.release()
-			
-			self._video = cv2.VideoCapture(self._index)
-			
-			for prop, val in kwargs.items():
-				self._properties[prop] = val
-				self._video.set(getattr(cv2, 'CAP_PROP_' + prop), val)
-				self._logger.debug('set %s to %s', prop, val)
-		finally:
-			self._lock.release()
-
-	# the reset code here could be put in seperate thread to accellarate
-	def getFrame(self):
-		frame = None
-		self._lock.acquire()
-		try:
-			# will try 3 attempts to grab frame, will reset on failure
-			i = 3
-			while i > 0:
-				if self._video.isOpened():
-					success, image = self._video.read()
-					ret, jpeg = cv2.imencode('.jpg', image)
-					frame = jpeg.tobytes()
-					break
-				else:
-					time.sleep(5)
-					self.reset()
-					i -= 1
-			
-			# after 3 fails return the dummy frame
-			if not frame:
-				with open('noimage.jpg', 'rb') as f:
-					time.sleep(1)
-					frame = f.read()
-		finally:
-			self._lock.release()
-
-		return frame
-
-	def reset(self):
-		self.setProps(**self._properties)
-		self._logger.debug('camera reset')
-
-	def __del__(self):
-		try:
-			self._video.release()
-			self._logger.debug('Release camera at index %s', self._index)
-		except AttributeError:
-			self._logger.debug('Failed to release camera at index %s', self._index)