def read_barcode():
vc = cv2.VideoCapture(
"rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov")
if vc.isOpened(): # try to get the first frame
dbr.initLicense(config.license)
rval, frame = vc.read()
else:
return
windowName = "Barcode Reader"
while True:
cv2.imshow(windowName, frame)
rval, frame = vc.read()
results = dbr.decodeBuffer(frame, config.barcodeTypes)
if (len(results) > 0):
print(get_time())
print("Total count: " + str(len(results)))
for result in results:
print("Type: " + result[0])
print("Value: " + result[1] + "\n")
# 'ESC' for quit
key = cv2.waitKey(20)
if key == 27:
dbr.destroy()
break
cv2.destroyWindow(windowName)
def read_barcode():
vc = cv2.VideoCapture("rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov");
if vc.isOpened(): # try to get the first frame
dbr.initLicense("t0068MgAAABt/IBmbdOLQj2EIDtPBkg8tPVp6wuFflHU0+y14UaUt5KpXdhAxlERuDYvJy7AOB514QK4H50mznL6NZtBjITQ=")
setting_file = os.path.join(os.getcwd(), 'templates', 'default.settings.json')
dbr.loadSettings(setting_file)
rval, frame = vc.read()
else:
return
windowName = "Barcode Reader"
formats = 0x3FF | 0x2000000 | 0x8000000 | 0x4000000; # 1D, QRCODE, PDF417, DataMatrix
while True:
cv2.imshow(windowName, frame)
rval, frame = vc.read();
results = dbr.decodeBuffer(frame, formats, 'CUSTOM')
if (len(results) > 0):
print(get_time())
print("Total count: " + str(len(results)))
for result in results:
print("Type: " + result[0])
print("Value: " + result[1] + "\n")
# 'ESC' for quit
key = cv2.waitKey(20)
if key == 27:
dbr.destroy()
break
cv2.destroyWindow(windowName)
def dbr_run(frame_queue, key_queue, cond, num, result_queue):
conn = GattConnection()
try:
conn.connect()
hub = MoveHub(conn)
print('Robot connected')
speed = 0.5
dbr.initLicense('t0126lQMAAJKX0RvMyzlh6PuQjcJyenARHjo4+sFqhwweCXfp3hAVHYasqSvCLpym3urmWpADdzSI19PIjSv4RBLR1HkSjR7O0lsOF8wumF0wu2B2wRyCOQRzCOYQzCGYKZgpmCmYKZjzW+sncrPQMG8MWRNv9W/aWNJhfgMslLDp')
while num.value == 1:
print('wait for event')
key = key_queue.get()
if key == ord('q'):
break
try:
if key == ord('c'):
inputframe = frame_queue.get()
results = dbr.decodeBuffer(inputframe, 0x4000000)
if (len(results) > 0):
print(get_time())
print("Total count: " + str(len(results)))
for result in results:
print("Type: " + result[0])
print("Value: " + result[1] + "\n")
result_queue.put(Result(inputframe, results))
elif key == ord('a'):
# left
print('left')
hub.motor_AB.angled(90, speed * -1, speed)
elif key == ord('d'):
# right
print('right')
hub.motor_AB.angled(90, speed, speed * -1)
elif key == ord('w'):
# up
print('up')
hub.motor_AB.start_speed(speed)
elif key == ord('s'):
# down
print('down')
hub.motor_AB.start_speed(speed * -1)
elif key == ord('p'):
print('pause')
hub.motor_AB.stop()
except:
pass
dbr.destroy()
print("Detection is done.")
finally:
conn.disconnect()
def readBarcode(self, filename):
dbr.initLicense("Your License")
results = dbr.decodeFile(filename, 0x3FF | 0x2000000 | 0x4000000 | 0x8000000 | 0x10000000)
out = ''
index = 0
for result in results:
out += "Index: " + str(index) + "\n"
out += "Barcode format: " + result[0] + '\n'
out += "Barcode value: " + result[1] + '\n'
out += '-----------------------------------\n'
index += 1
self.results.setText(out)
def read_barcode():
vc = cv2.VideoCapture(0)
vc.set(5, 30) #set FPS
vc.set(3, 320) #set width
vc.set(4, 240) #set height
if vc.isOpened(): # try to get the first frame
dbr.initLicense(
"t0068MgAAAHtCgAPxEdCJN1bsu9n6YfnWDoaW7YZomIZZke2m9KynRnKSqsuQyd7Cdgo6razlb7VU3IFaKeBgg9Rq069Uihc="
)
rval, frame = vc.read()
else:
return
windowName = "Barcode Reader"
# Create a thread for barcode detection
barcodeReaderThread = BarcodeReaderThread("Barcode Reader Thread", True)
barcodeReaderThread.start()
global q
while True:
cv2.imshow(windowName, frame) # Render a frame on Window
rval, frame = vc.read()
# Get a frame
try:
q.put_nowait(frame)
except Queue.Full:
try:
q.get_nowait()
except Queue.Empty:
None
# 'ESC' for quit
key = cv2.waitKey(20)
if key == 27:
barcodeReaderThread.isRunning = False
barcodeReaderThread.join()
dbr.destroy()
break
cv2.destroyWindow(windowName)
def read_barcode():
vc = cv2.VideoCapture(0)
if vc.isOpened(): # try to get the first frame
dbr.initLicense(
"t0068MgAAABt/IBmbdOLQj2EIDtPBkg8tPVp6wuFflHU0+y14UaUt5KpXdhAxlERuDYvJy7AOB514QK4H50mznL6NZtBjITQ="
)
setting_file = os.path.join(os.getcwd(), 'templates',
'default.settings.json')
dbr.loadSettings(setting_file)
rval, frame = vc.read()
else:
return
windowName = "Barcode Reader"
# Create a thread for barcode detection
barcodeReaderThread = BarcodeReaderThread("Barcode Reader Thread", True)
barcodeReaderThread.start()
global q
while True:
cv2.imshow(windowName, frame) # Render a frame on Window
rval, frame = vc.read()
# Get a frame
try:
q.put_nowait(frame)
except Queue.Full:
try:
q.get_nowait()
except Queue.Empty:
None
# 'ESC' for quit
key = cv2.waitKey(20)
if key == 27:
barcodeReaderThread.isRunning = False
barcodeReaderThread.join()
dbr.destroy()
break
cv2.destroyWindow(windowName)
def dbr_run(frame_queue, finish_queue):
dbr.initLicense(config.license)
while finish_queue.qsize() == 0:
try:
inputframe = frame_queue.get_nowait()
results = dbr.decodeBuffer(inputframe, config.barcodeTypes)
if (len(results) > 0):
print(get_time())
print("Total count: " + str(len(results)))
for result in results:
print("Type: " + result[0])
print("Value: " + result[1] + "\n")
except:
pass
dbr.destroy()
print("Detection is done.")
clear_queue(frame_queue)
clear_queue(finish_queue)
def read_barcode():
vc = cv2.VideoCapture(0)
if vc.isOpened(): # try to get the first frame
dbr.initLicense(config.license)
rval, frame = vc.read()
else:
return
windowName = "Barcode Reader"
# Create a thread for barcode detection
barcodeReaderThread = BarcodeReaderThread("Barcode Reader Thread", True)
barcodeReaderThread.start()
global q
while True:
cv2.imshow(windowName, frame) # Render a frame on Window
rval, frame = vc.read() # Get a frame
try:
q.put_nowait(frame)
except Queue.Full:
try:
q.get_nowait()
except Queue.Empty:
None
# 'ESC' for quit
key = cv2.waitKey(20)
if key == 27:
barcodeReaderThread.isRunning = False
barcodeReaderThread.join()
dbr.destroy()
break
cv2.destroyWindow(windowName)
def read_barcode():
vc = cv2.VideoCapture(0)
vc.set(5, 30) #set FPS
vc.set(3, 320) #set width
vc.set(4, 240) #set height
if vc.isOpened(): # try to get the first frame
dbr.initLicense(
"t0068MgAAAHtCgAPxEdCJN1bsu9n6YfnWDoaW7YZomIZZke2m9KynRnKSqsuQyd7Cdgo6razlb7VU3IFaKeBgg9Rq069Uihc="
)
rval, frame = vc.read()
else:
return
windowName = "Barcode Reader"
formats = 0x3FF | 0x2000000 | 0x8000000 | 0x4000000
# 1D, QRCODE, PDF417, DataMatrix
while True:
cv2.imshow(windowName, frame)
rval, frame = vc.read()
results = dbr.decodeBuffer(frame, formats)
if (len(results) > 0):
print(get_time())
print("Total count: " + str(len(results)))
for result in results:
print("Type: " + result[0])
print("Value: " + result[1] + "\n")
# 'ESC' for quit
key = cv2.waitKey(20)
if key == 27:
dbr.destroy()
break
cv2.destroyWindow(windowName)
def initLicense(license):
dbr.initLicense(license)
from PIL import Image # pip install Pillow
im = Image.open('qr.jpg')
# im.show()
import numpy
import dbr
import cv2
dbr.initLicense('LICENSE-LEY')
opencvImage = cv2.cvtColor(numpy.array(im), cv2.COLOR_RGB2BGR)
results = dbr.decodeBuffer(
opencvImage, 0x3FF | 0x2000000 | 0x4000000 | 0x8000000
| 0x10000000) # 1D, PDF417, QRCODE, DataMatrix, Aztec Code
for result in results:
print('barcode format: ' + result[0])
print('barcode value: ' + result[1])
from numpysocket import NumpySocket
import cv2
import time
import json
import dbr
def get_time():
localtime = time.localtime()
capturetime = time.strftime("%Y%m%d%H%M%S", localtime)
return capturetime
# Get the license of Dynamsoft Barcode Reader from https://www.dynamsoft.com/CustomerPortal/Portal/Triallicense.aspx
dbr.initLicense('LICENSE KEY')
npSocket = NumpySocket()
npSocket.startServer(9999)
# Receive frames for barcode detection
while (True):
try:
frame = npSocket.recieveNumpy()
# cv2.imshow('PC Reader', frame)
results = dbr.decodeBuffer(
frame, 0x3FF | 0x2000000 | 0x4000000 | 0x8000000 | 0x10000000)
out = {}
out['results'] = results
# Send barcode results to Raspberry Pi
npSocket.sendJSON({'results': results})
