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Merge pull request #8 from ppapadeas/live-view 

Live view
pull/11/head
Cees Bassa 2018-07-22 13:24:20 +02:00 committed by GitHub
parent 658cc9e7c3 36261d707f
commit 4f2f793b60
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1 changed files with 19 additions and 4 deletions
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23
acquire.py 100644 → 100755
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@ -18,7 +18,7 @@ import argparse
# Capture images # Capture images
def capture(buf, z1, t1, z2, t2, device, nx, ny, nz, tend): def capture(buf, z1, t1, z2, t2, device, nx, ny, nz, tend, live):
# Array flag # Array flag
first = True first = True
@ -41,6 +41,11 @@ def capture(buf, z1, t1, z2, t2, device, nx, ny, nz, tend):
# Store buffer # Store buffer
z = gray z = gray
# Display Frame
if live is True:
cv2.imshow("Capture", gray)
cv2.waitKey(1)
# Store results # Store results
if first: if first:
z1[i] = z z1[i] = z
@ -153,12 +158,14 @@ if __name__ == '__main__':
# Read commandline options # Read commandline options
conf_parser = argparse.ArgumentParser(description='Capture and compress' + conf_parser = argparse.ArgumentParser(description='Capture and compress' +
' live video frames.') ' live video frames.')
conf_parser.add_argument("-c", "--conf_file", conf_parser.add_argument('-c', '--conf_file',
help="Specify configuration file. If no file" + help="Specify configuration file. If no file" +
" is specified 'configuration.ini' is used.", " is specified 'configuration.ini' is used.",
metavar="FILE") metavar="FILE")
conf_parser.add_argument('--test', action='store_true', conf_parser.add_argument('-t', '--test', action='store_true',
help='Testing mode - Start capturing immediately') help='Testing mode - Start capturing immediately')
conf_parser.add_argument('-l', '--live', action='store_true',
help='Display live image while capturing')
args = conf_parser.parse_args() args = conf_parser.parse_args()
@ -175,6 +182,12 @@ if __name__ == '__main__':
else: else:
testing = False testing = False
# Live mode
if args.live:
live = True
else:
live = False
# Get device id # Get device id
devid = cfg.getint('Camera', 'device_id') devid = cfg.getint('Camera', 'device_id')
@ -256,7 +269,7 @@ if __name__ == '__main__':
# Set processes # Set processes
pcapture = multiprocessing.Process(target=capture, pcapture = multiprocessing.Process(target=capture,
args=(buf, z1, t1, z2, t2, device, args=(buf, z1, t1, z2, t2, device,
nx, ny, nz, tend.unix)) nx, ny, nz, tend.unix, live))
pcompress = multiprocessing.Process(target=compress, pcompress = multiprocessing.Process(target=compress,
args=(buf, z1, t1, z2, t2, nx, ny, args=(buf, z1, t1, z2, t2, nx, ny,
nz, tend.unix, path)) nz, tend.unix, path))
@ -274,4 +287,6 @@ if __name__ == '__main__':
pcompress.terminate() pcompress.terminate()
# Release device # Release device
if live is True:
cv2.destroyAllWindows()
device.release() device.release()