def options(self, device_name=None, device_number=None):
# I doubt people will have more than 5 webcams plugged in
self.logger.debug(
'options() called with device_name %s and device_number %s' %
(device_name, device_number))
opts = []
for i in range(2):
try:
self.logger.debug('options - attempting to connect to %s' % i)
d = Device(devnum=i)
if device_name is not None and device_name == d.getDisplayName(
):
del self.device
self.device = d
elif device_number is not None and device_number == i:
del self.device
self.device = d
opts.append((i, d.getDisplayName()))
del d
except:
self.logger.exception("Exception while setting webcam options")
pass
self.logger.debug('options() returning %s' % opts)
if self.connected():
self.logger.debug('options - managed to connect to a device!')
return opts
def options(self, device_name=None, device_number=None):
# I doubt people will have more than 5 webcams plugged in
print 'Webcam\toptions() called'
opts = []
for i in range(2):
try:
print 'Webcam\toptions - attempting to connect to %s' % i
d = Device(devnum=i)
if device_name is not None and device_name == d.getDisplayName():
del self.device
self.device = d
elif device_number is not None and device_number == i:
del self.device
self.device = d
opts.append((i, d.getDisplayName()))
del d
except:
pass
print 'Webcam\toptions() returning %s' % opts
return opts
def getDevName():
namelst = []
sign = 1
i = -1
while sign:
try:
i += 1
cam = Device(i)
namelst.append(cam.getDisplayName())
except:
sign = 0
return namelst
def get_devicelist():
""" Returns a dictionary of device names with corresponding port value and max resolution"""
try:
from VideoCapture import Device
useVC = True
except ImportError:
useVC = False
print(
'VideoCapture is not correctly installed. No device name can be obtained'
)
devices = {}
for i in range(10):
try:
import vidcap
if useVC:
dev = Device(i)
dev_name = dev.getDisplayName()
devices[dev_name] = {'port': i}
del dev
else:
dev_name = 'camera{}'.format(i)
devices[dev_name] = {}
cam = cv2.VideoCapture(i)
cam.set(cv2.CAP_PROP_FRAME_WIDTH,
5000) # force maximum resolution by overshooting
cam.set(cv2.CAP_PROP_FRAME_HEIGHT,
5000) # force maximum resolution by overshooting
cam.set(cv2.CAP_PROP_CONVERT_RGB, 1)
w = cam.get(cv2.CAP_PROP_FRAME_WIDTH)
h = cam.get(cv2.CAP_PROP_FRAME_HEIGHT)
devices[dev_name]['fps'] = cam.get(cv2.CAP_PROP_FPS)
devices[dev_name]['resolution'] = [w, h]
devices[dev_name]['port'] = i
devices[dev_name]['format'] = cam.get(cv2.CAP_PROP_FORMAT)
devices[dev_name]['mode'] = cam.get(cv2.CAP_PROP_MODE)
devices[dev_name]['buffersize'] = cam.get(cv2.CAP_PROP_BUFFERSIZE)
devices[dev_name]['fourcc'] = cam.get(cv2.CAP_PROP_FOURCC)
devices[dev_name]['brightness'] = cam.get(cv2.CAP_PROP_BRIGHTNESS)
devices[dev_name]['contrast'] = cam.get(cv2.CAP_PROP_CONTRAST)
devices[dev_name]['saturation'] = cam.get(cv2.CAP_PROP_SATURATION)
devices[dev_name]['hue'] = cam.get(cv2.CAP_PROP_HUE)
devices[dev_name]['gain'] = cam.get(cv2.CAP_PROP_GAIN)
devices[dev_name]['exposure'] = cam.get(cv2.CAP_PROP_EXPOSURE)
devices[dev_name]['convertRGB'] = cam.get(cv2.CAP_PROP_CONVERT_RGB)
del cam
except vidcap.error:
break
return devices
def options(self, device_name=None, device_number=None):
# I doubt people will have more than 5 webcams plugged in
self.logger.debug('options() called with device_name %s and device_number %s' % (device_name, device_number))
opts = []
for i in range(2):
try:
self.logger.debug('options - attempting to connect to %s' % i)
d = Device(devnum=i)
if device_name is not None and device_name == d.getDisplayName():
del self.device
self.device = d
elif device_number is not None and device_number == i:
del self.device
self.device = d
opts.append((i, d.getDisplayName()))
del d
except:
self.logger.exception("Exception while setting webcam options")
pass
self.logger.debug('options() returning %s' % opts)
if self.connected():
self.logger.debug('options - managed to connect to a device!')
return opts
def enumerateDevices():
"""Lists all available video devices.
Returns a tuple of 2-tuples, which contain the integral index
and the display name (if available) of the video device.
"""
devices = ()
i = 0
cont = True
while cont:
try:
d = Device(i)
devices += ((i, d.getDisplayName()),)
i += 1
except:
cont = False
return devices
def enumerateDevices():
"""Lists all available video devices.
Returns a tuple of 2-tuples, which contain the integral index
and the display name (if available) of the video device.
"""
devices = ()
i = 0
cont = True
while cont:
try:
d = Device(i)
devices += ((i, d.getDisplayName()), )
i += 1
except:
cont = False
return devices
def get_devicelist():
""" Returns a dictionary of device names with corresponding port value and max resolution"""
try:
from VideoCapture import Device
useVC = True
except ImportError:
useVC = False
print(
'VideoCapture is not correctly installed. No device name can be obtained'
)
devices = {}
for i in range(10):
try:
import vidcap
if useVC:
dev = Device(i)
dev_name = dev.getDisplayName()
devices[dev_name] = {'port': i}
del dev
else:
dev_name = 'camera{}'.format(i)
devices[dev_name] = {}
cam = cv2.VideoCapture(i)
cam.set(cv2.CAP_PROP_FRAME_WIDTH,
5000) # force maximum resolution by overshooting
cam.set(cv2.CAP_PROP_FRAME_HEIGHT,
5000) # force maximum resolution by overshooting
w = cam.get(cv2.CAP_PROP_FRAME_WIDTH)
h = cam.get(cv2.CAP_PROP_FRAME_HEIGHT)
devices[dev_name]['resolution'] = [w, h]
devices[dev_name]['port'] = i
del cam
except vidcap.error:
break
return devices
from VideoCapture import Device cam = Device(devnum=0) print (cam.getDisplayName())
