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CameraConnectDialog.py
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from PyQt5.QtWidgets import QDialog, QMessageBox, QFileDialog
from PyQt5.QtCore import QRegExp, qDebug, QThread
from PyQt5.QtGui import QRegExpValidator
import cv2
from ui_CameraConnectDialog import Ui_CameraConnectDialog
from Config import *
class CameraConnectDialog(QDialog, Ui_CameraConnectDialog):
def __init__(self, parent=None, isStreamSyncEnabled=False):
super(CameraConnectDialog, self).__init__(parent)
# Setup dialog
self.setupUi(self)
# deviceUrlEdit (device number) input validation
# self.deviceUrlEdit.setValidator(QRegExpValidator(QRegExp("^[0-9]{1,3}$"))) # Integers 0 to 999
# imageBufferSizeEdit (image buffer size) input validation
self.imageBufferSizeEdit.setValidator(QRegExpValidator(QRegExp("^[0-9]{1,3}$"))) # Integers 0 to 999
# resWEdit (resolution: width) input validation
self.resWEdit.setValidator(QRegExpValidator(QRegExp("^[0-9]{1,4}$"))) # Integers 0 to 9999
# resHEdit (resolution: height) input validation
self.resHEdit.setValidator(QRegExpValidator(QRegExp("^[0-9]{1,4}$"))) # Integers 0 to 9999
# Setup capture prio combo boxes
self.apiPreference = {'CAP_ANY': cv2.CAP_ANY,
# 'CAP_VFW': cv2.CAP_VFW,
# 'CAP_V4L': cv2.CAP_V4L,
# 'CAP_V4L2': cv2.CAP_V4L2,
# 'CAP_FIREWIRE': cv2.CAP_FIREWIRE,
# 'CAP_FIREWARE': cv2.CAP_FIREWARE,
# 'CAP_IEEE1394': cv2.CAP_IEEE1394,
# 'CAP_DC1394': cv2.CAP_DC1394,
# 'CAP_CMU1394': cv2.CAP_CMU1394,
# 'CAP_QT': cv2.CAP_QT,
# 'CAP_UNICAP': cv2.CAP_UNICAP,
'CAP_DSHOW': cv2.CAP_DSHOW,
# 'CAP_PVAPI': cv2.CAP_PVAPI,
# 'CAP_OPENNI': cv2.CAP_OPENNI,
# 'CAP_OPENNI_ASUS': cv2.CAP_OPENNI_ASUS,
# 'CAP_ANDROID': cv2.CAP_ANDROID,
# 'CAP_XIAPI': cv2.CAP_XIAPI,
# 'CAP_AVFOUNDATION': cv2.CAP_AVFOUNDATION,
# 'CAP_GIGANETIX': cv2.CAP_GIGANETIX,
'CAP_MSMF': cv2.CAP_MSMF,
# 'CAP_WINRT': cv2.CAP_WINRT,
# 'CAP_INTELPERC': cv2.CAP_INTELPERC,
# 'CAP_OPENNI2': cv2.CAP_OPENNI2,
# 'CAP_OPENNI2_ASUS': cv2.CAP_OPENNI2_ASUS,
# 'CAP_GPHOTO2': cv2.CAP_GPHOTO2,
# 'CAP_GSTREAMER': cv2.CAP_GSTREAMER,
# 'CAP_FFMPEG': cv2.CAP_FFMPEG,
# 'CAP_IMAGES': cv2.CAP_IMAGES,
# 'CAP_ARAVIS': cv2.CAP_ARAVIS,
# 'CAP_OPENCV_MJPEG': cv2.CAP_OPENCV_MJPEG,
# 'CAP_INTEL_MFX': cv2.CAP_INTEL_MFX,
# 'CAP_XINE': cv2.CAP_XINE
}
self.apiPreferenceComboBox.addItems(self.apiPreference.keys())
# Setup capture prio combo boxes
threadPriorities = ["Idle", "Lowest", "Low", "Normal", "High", "Highest", "Time Critical", "Inherit"]
self.capturePrioComboBox.addItems(threadPriorities)
self.processingPrioComboBox.addItems(threadPriorities)
# Set dialog to defaults
self.resetToDefaults()
# Enable/disable checkbox
self.enableFrameProcessingCheckBox.setEnabled(isStreamSyncEnabled)
# Connect button to slot
self.resetToDefaultsPushButton.released.connect(self.resetToDefaults)
# Set Url Mode
self.deviceUrlRadioButton.clicked.connect(lambda: self.setUrlMode('device url'))
self.filenameRadioButton.clicked.connect(lambda: self.setUrlMode('filename'))
self.rtspRadioButton.clicked.connect(lambda: self.setUrlMode('rtsp'))
self.importFilePushButton.clicked.connect(self.openFile)
def getDeviceUrl(self):
# Set device number to default (any available camera) if field is blank
if self.rtspRadioButton.isChecked():
if (self.usernameEdit.text().strip() == ''
and self.passwordEdit.text().strip() == ''
and self.ipEdit.text().strip() == ''
and self.portEdit.text().strip() == ''
and self.channelsEdit.text().strip() == ''):
ret = QMessageBox.question(self, "DEVICE_URL",
DEFAULT_DEVICE_URL,
QMessageBox.Yes | QMessageBox.No, QMessageBox.Yes)
if ret:
qDebug('DEVICE_URL: %s' % DEFAULT_DEVICE_URL)
return DEFAULT_DEVICE_URL
else:
QMessageBox.warning(self.parentWidget(),
"WARNING:",
"Device Url field blank.\n"
"Automatically set to 0.")
return '0'
else:
return 'rtsp://%s:%s@%s:%s/Streaming/Channels/%s' \
% (self.usernameEdit.text(), self.passwordEdit.text(), self.ipEdit.text(), self.portEdit.text(),
self.channelsEdit.text())
elif self.filenameRadioButton.isChecked():
if self.filenameEdit.text().strip() == '':
if DEFAULT_FILENAME.strip() == '':
QMessageBox.warning(self.parentWidget(),
"WARNING:",
"Device Url field blank.\n"
"Automatically set to 0.")
return '0'
else:
QMessageBox.warning(self.parentWidget(),
"WARNING:",
"Device Url field blank.\n"
"Automatically set to %s." % DEFAULT_FILENAME)
return DEFAULT_FILENAME
else:
return self.filenameEdit.text()
else:
if self.deviceUrlEdit.text().strip() == '':
QMessageBox.warning(self.parentWidget(),
"WARNING:",
"Device Url field blank.\n"
"Automatically set to 0.")
return '0'
else:
return self.deviceUrlEdit.text()
def getResolutionWidth(self):
# Return -1 if field is blank
if self.resWEdit.text().strip() == '':
return -1
else:
return int(self.resWEdit.text())
def getResolutionHeight(self):
# Return -1 if field is blank
if self.resHEdit.text().strip() == '':
return -1
else:
return int(self.resHEdit.text())
def getImageBufferSize(self):
# Set image buffer size to default if field is blank
if self.imageBufferSizeEdit.text().strip() == '':
QMessageBox.warning(self.parentWidget(),
"WARNING:",
"Image Buffer Size field blank.\n"
"Automatically set to default value.")
return DEFAULT_IMAGE_BUFFER_SIZE
# Set image buffer size to default if field is zero
elif int(self.imageBufferSizeEdit.text()) == 0:
QMessageBox.warning(self.parentWidget(),
"WARNING:",
"Image Buffer Size cannot be zero.\n"
"Automatically set to default value.")
return DEFAULT_IMAGE_BUFFER_SIZE
# Use image buffer size specified by user
else:
return int(self.imageBufferSizeEdit.text())
def getDropFrameCheckBoxState(self):
return self.dropFrameCheckBox.isChecked()
def getApiPreference(self):
return self.apiPreference.setdefault(self.apiPreferenceComboBox.currentText(), cv2.CAP_ANY)
def getCaptureThreadPrio(self):
return self.capturePrioComboBox.currentIndex()
def getProcessingThreadPrio(self):
return self.processingPrioComboBox.currentIndex()
def getTabLabel(self):
return self.tabLabelEdit.text()
def getEnableFrameProcessingCheckBoxState(self):
return self.enableFrameProcessingCheckBox.isChecked()
def setUrlMode(self, mode):
if mode == 'device url':
self.deviceUrlEdit.setEnabled(True)
self.filenameEdit.setEnabled(False)
self.usernameEdit.setEnabled(False)
self.passwordEdit.setEnabled(False)
self.ipEdit.setEnabled(False)
self.portEdit.setEnabled(False)
self.channelsEdit.setEnabled(False)
self.importFilePushButton.setEnabled(False)
self.deviceUrlRadioButton.setChecked(True)
elif mode == 'filename':
self.deviceUrlEdit.setEnabled(False)
self.filenameEdit.setEnabled(True)
self.usernameEdit.setEnabled(False)
self.passwordEdit.setEnabled(False)
self.ipEdit.setEnabled(False)
self.portEdit.setEnabled(False)
self.channelsEdit.setEnabled(False)
self.importFilePushButton.setEnabled(True)
self.filenameRadioButton.setChecked(True)
elif mode == 'rtsp':
self.deviceUrlEdit.setEnabled(False)
self.filenameEdit.setEnabled(False)
self.usernameEdit.setEnabled(True)
self.passwordEdit.setEnabled(True)
self.ipEdit.setEnabled(True)
self.portEdit.setEnabled(True)
self.channelsEdit.setEnabled(True)
self.importFilePushButton.setEnabled(False)
self.rtspRadioButton.setChecked(True)
def openFile(self):
filename = QFileDialog.getOpenFileName(self.parent(), 'open file', '.', 'Excel files(*.mp4 , *.avi)')[0]
self.filenameEdit.setText(filename)
def resetToDefaults(self):
# Default camera
self.filenameEdit.clear()
self.deviceUrlEdit.clear()
self.usernameEdit.setText(DEFAULT_RTSP_USER)
self.passwordEdit.setText(DEFAULT_RTSP_PASSWORD)
self.ipEdit.setText(DEFAULT_RTSP_IP)
self.portEdit.setText(DEFAULT_RTSP_PORT)
self.channelsEdit.setText(DEFAULT_RTSP_CAHHELS)
self.setUrlMode(DEFAULT_URL_MODE)
# Resolution
self.resWEdit.clear()
self.resHEdit.clear()
# Image buffer size
self.imageBufferSizeEdit.setText(str(DEFAULT_IMAGE_BUFFER_SIZE))
# Drop frames
self.dropFrameCheckBox.setChecked(DEFAULT_DROP_FRAMES)
# apiPreference
self.apiPreferenceComboBox.setCurrentText(DEFAULT_APIPREFERENCE)
# Capture thread
if DEFAULT_CAP_THREAD_PRIO == QThread.IdlePriority:
self.capturePrioComboBox.setCurrentIndex(0)
elif DEFAULT_CAP_THREAD_PRIO == QThread.LowestPriority:
self.capturePrioComboBox.setCurrentIndex(1)
elif DEFAULT_CAP_THREAD_PRIO == QThread.LowPriority:
self.capturePrioComboBox.setCurrentIndex(2)
elif DEFAULT_CAP_THREAD_PRIO == QThread.NormalPriority:
self.capturePrioComboBox.setCurrentIndex(3)
elif DEFAULT_CAP_THREAD_PRIO == QThread.HighPriority:
self.capturePrioComboBox.setCurrentIndex(4)
elif DEFAULT_CAP_THREAD_PRIO == QThread.HighestPriority:
self.capturePrioComboBox.setCurrentIndex(5)
elif DEFAULT_CAP_THREAD_PRIO == QThread.TimeCriticalPriority:
self.capturePrioComboBox.setCurrentIndex(6)
elif DEFAULT_CAP_THREAD_PRIO == QThread.InheritPriority:
self.capturePrioComboBox.setCurrentIndex(7)
# Processing thread
if DEFAULT_PROC_THREAD_PRIO == QThread.IdlePriority:
self.processingPrioComboBox.setCurrentIndex(0)
elif DEFAULT_PROC_THREAD_PRIO == QThread.LowestPriority:
self.processingPrioComboBox.setCurrentIndex(1)
elif DEFAULT_PROC_THREAD_PRIO == QThread.LowPriority:
self.processingPrioComboBox.setCurrentIndex(2)
elif DEFAULT_PROC_THREAD_PRIO == QThread.NormalPriority:
self.processingPrioComboBox.setCurrentIndex(3)
elif DEFAULT_PROC_THREAD_PRIO == QThread.HighPriority:
self.processingPrioComboBox.setCurrentIndex(4)
elif DEFAULT_PROC_THREAD_PRIO == QThread.HighestPriority:
self.processingPrioComboBox.setCurrentIndex(5)
elif DEFAULT_PROC_THREAD_PRIO == QThread.TimeCriticalPriority:
self.processingPrioComboBox.setCurrentIndex(6)
elif DEFAULT_PROC_THREAD_PRIO == QThread.InheritPriority:
self.processingPrioComboBox.setCurrentIndex(7)
# Tab label
self.tabLabelEdit.setText("")
# Enable Frame Processing checkbox
self.enableFrameProcessingCheckBox.setChecked(True)