def __init__(self, parent):
super(ImageTab, self).__init__(parent)
self.parent = parent
self.name = 'Images'
self.formats = [
'bmp', 'cgm', 'dpx', 'emf', 'eps', 'fpx', 'gif', 'jbig', 'jng',
'jpeg', 'mrsid', 'p7', 'pdf', 'picon', 'png', 'ppm', 'psd',
'rad', 'tga', 'tif','webp', 'xpm'
]
self.extra_img = [
'bmp2', 'bmp3', 'dib', 'epdf', 'epi', 'eps2', 'eps3', 'epsf',
'epsi', 'icon', 'jpe', 'jpg', 'pgm', 'png24', 'png32', 'pnm',
'ps', 'ps2', 'ps3', 'sid', 'tiff'
]
validator = QRegExpValidator(QRegExp(r'^[1-9]\d*'), self)
converttoQL = QLabel(self.tr('Convert to:'))
self.extQCB = QComboBox()
self.extQCB.addItems(self.formats)
commandQL = QLabel(self.tr('Extra options:'))
self.commandQLE = QLineEdit()
hlayout2 = utils.add_to_layout(
'h', converttoQL, self.extQCB, commandQL, self.commandQLE)
sizeQL = QLabel(
'<html><p align="center">' + self.tr('Image Size:') +
'</p></html>')
self.widthQLE = utils.create_LineEdit((50, 16777215), validator, 4)
self.heightQLE = utils.create_LineEdit((50, 16777215), validator, 4)
label = QLabel('<html><p align="center">x</p></html>')
label.setMaximumWidth(25)
hlayout1 = utils.add_to_layout('h', self.widthQLE, label,self.heightQLE)
sizelayout = utils.add_to_layout('v', sizeQL, hlayout1)
self.imgaspectQChB = QCheckBox(self.tr("Maintain aspect ratio"))
self.autocropQChB = QCheckBox(self.tr("Auto-crop"))
vlayout = utils.add_to_layout('v', self.imgaspectQChB,self.autocropQChB)
rotateQL = QLabel(
"<html><div align='center'>" + self.tr("Rotate") +
":</div><br>(" + self.tr("degrees - clockwise") + ")</html>")
self.rotateQLE = utils.create_LineEdit((100, 16777215), validator, 3)
self.vflipQChB = QCheckBox("Vertical flip")
self.hflipQChB = QCheckBox("Horizontal flip")
vlayout2 = utils.add_to_layout('v', self.vflipQChB, self.hflipQChB)
hlayout3 = utils.add_to_layout(
'h', sizelayout, vlayout, rotateQL, self.rotateQLE,
vlayout2, None)
final_layout = utils.add_to_layout('v', hlayout2, hlayout3)
self.setLayout(final_layout)
def __init__(self, parent):
super(ImageTab, self).__init__(parent)
self.parent = parent
self.name = 'Images'
self.formats = config.image_formats
self.extra_img = config.image_extra_formats
validator = QRegExpValidator(QRegExp(r'^[1-9]\d*'), self)
converttoQL = QLabel(self.tr('Convert to:'))
self.extQCB = QComboBox()
self.extQCB.addItems(self.formats)
commandQL = QLabel(self.tr('Extra options:'))
self.commandQLE = QLineEdit()
hlayout2 = utils.add_to_layout(
'h', converttoQL, self.extQCB, commandQL, self.commandQLE)
sizeQL = QLabel(
'<html><p align="center">' + self.tr('Image Size:') +
'</p></html>')
self.widthQLE = utils.create_LineEdit((50, 16777215), validator, 4)
self.heightQLE = utils.create_LineEdit((50, 16777215), validator, 4)
label = QLabel('<html><p align="center">x</p></html>')
label.setMaximumWidth(25)
hlayout1 = utils.add_to_layout('h', self.widthQLE, label,self.heightQLE)
sizelayout = utils.add_to_layout('v', sizeQL, hlayout1)
self.imgaspectQChB = QCheckBox(self.tr("Maintain aspect ratio"))
self.autocropQChB = QCheckBox(self.tr("Auto-crop"))
vlayout = utils.add_to_layout('v', self.imgaspectQChB,self.autocropQChB)
rotateQL = QLabel(
"<html><div align='center'>" + self.tr("Rotate") +
":</div><br>(" + self.tr("degrees - clockwise") + ")</html>")
self.rotateQLE = utils.create_LineEdit((100, 16777215), validator, 3)
self.vflipQChB = QCheckBox(self.tr('Vertical flip'))
self.hflipQChB = QCheckBox(self.tr('Horizontal flip'))
vlayout2 = utils.add_to_layout('v', self.vflipQChB, self.hflipQChB)
hlayout3 = utils.add_to_layout(
'h', sizelayout, vlayout, rotateQL, self.rotateQLE,
vlayout2, None)
final_layout = utils.add_to_layout('v', hlayout2, hlayout3)
self.setLayout(final_layout)
def __init__(self, parent):
super(ImageTab, self).__init__(parent)
self.parent = parent
self.name = 'Images'
self.formats = config.image_formats
self.extra_img = config.image_extra_formats
validator = QRegExpValidator(QRegExp(r'^[1-9]\d*'), self)
converttoQL = QLabel(self.tr('Convert to:'))
self.extQCB = QComboBox()
self.extQCB.addItems(self.formats)
commandQL = QLabel(self.tr('Extra options:'))
self.commandQLE = QLineEdit()
hlayout2 = utils.add_to_layout('h', converttoQL, self.extQCB,
commandQL, self.commandQLE)
sizeQL = QLabel('<html><p align="center">' + self.tr('Image Size:') +
'</p></html>')
self.widthQLE = utils.create_LineEdit((50, 16777215), validator, 4)
self.heightQLE = utils.create_LineEdit((50, 16777215), validator, 4)
label = QLabel('<html><p align="center">x</p></html>')
label.setMaximumWidth(25)
hlayout1 = utils.add_to_layout('h', self.widthQLE, label,
self.heightQLE)
sizelayout = utils.add_to_layout('v', sizeQL, hlayout1)
self.imgaspectQChB = QCheckBox(self.tr("Maintain aspect ratio"))
self.autocropQChB = QCheckBox(self.tr("Auto-crop"))
vlayout = utils.add_to_layout('v', self.imgaspectQChB,
self.autocropQChB)
rotateQL = QLabel("<html><div align='center'>" + self.tr("Rotate") +
":</div><br>(" + self.tr("degrees - clockwise") +
")</html>")
self.rotateQLE = utils.create_LineEdit((100, 16777215), validator, 3)
self.vflipQChB = QCheckBox(self.tr('Vertical flip'))
self.hflipQChB = QCheckBox(self.tr('Horizontal flip'))
vlayout2 = utils.add_to_layout('v', self.vflipQChB, self.hflipQChB)
hlayout3 = utils.add_to_layout('h', sizelayout, vlayout, rotateQL,
self.rotateQLE, vlayout2, None)
final_layout = utils.add_to_layout('v', hlayout2, hlayout3)
self.setLayout(final_layout)
def __init__(self, parent):
super(AudioVideoTab, self).__init__(parent)
self.parent = parent
self.name = "AudioVideo"
self.defaultStr = self.tr("Default")
self.DisableStream = self.tr("Disable")
self.formats = config.video_formats
frequency_values = [self.defaultStr] + config.video_frequency_values
bitrate_values = [self.defaultStr] + config.video_bitrate_values
rotation_options = [
self.tr("None"),
"90 " + self.tr("clockwise"),
"90 " + self.tr("clockwise") + " + " + self.tr("vertical flip"),
"90 " + self.tr("counter clockwise"),
"90 " + self.tr("counter clockwise") + " + " + self.tr("vertical flip"),
"180",
self.tr("horizontal flip"),
self.tr("vertical flip"),
]
digits_validator = QRegExpValidator(QRegExp(r"[1-9]\d*"), self)
digits_validator_wzero = QRegExpValidator(QRegExp(r"\d*"), self)
digits_validator_minus = QRegExpValidator(QRegExp(r"(-1|[1-9]\d*)"), self)
time_validator = QRegExpValidator(QRegExp(r"\d{1,2}:\d{1,2}:\d{1,2}\.\d+"), self)
converttoQL = QLabel(self.tr("Convert to:"))
self.extQCB = QComboBox()
self.extQCB.setMinimumWidth(100)
vidcodecQL = QLabel("Video codec:")
self.vidcodecQCB = QComboBox()
self.vidcodecQCB.setMinimumWidth(110)
audcodecQL = QLabel("Audio codec:")
self.audcodecQCB = QComboBox()
self.audcodecQCB.setMinimumWidth(110)
hlayout1 = utils.add_to_layout(
"h",
converttoQL,
self.extQCB,
QSpacerItem(180, 20),
vidcodecQL,
self.vidcodecQCB,
audcodecQL,
self.audcodecQCB,
)
commandQL = QLabel(self.tr("Command:"))
self.commandQLE = QLineEdit()
self.presetQPB = QPushButton(self.tr("Preset"))
self.defaultQPB = QPushButton(self.defaultStr)
hlayout2 = utils.add_to_layout("h", commandQL, self.commandQLE, self.presetQPB, self.defaultQPB)
sizeQL = QLabel(self.tr("Video Size:"))
aspectQL = QLabel(self.tr("Aspect:"))
frameQL = QLabel(self.tr("Frame Rate (fps):"))
bitrateQL = QLabel(self.tr("Video Bitrate (kbps):"))
self.widthQLE = utils.create_LineEdit((70, 16777215), digits_validator_minus, 4)
self.heightQLE = utils.create_LineEdit((70, 16777215), digits_validator_minus, 4)
label = QLabel('<html><p align="center">x</p></html>')
layout1 = utils.add_to_layout("h", self.widthQLE, label, self.heightQLE)
self.aspect1QLE = utils.create_LineEdit((50, 16777215), digits_validator, 2)
self.aspect2QLE = utils.create_LineEdit((50, 16777215), digits_validator, 2)
label = QLabel('<html><p align="center">:</p></html>')
layout2 = utils.add_to_layout("h", self.aspect1QLE, label, self.aspect2QLE)
self.frameQLE = utils.create_LineEdit((120, 16777215), digits_validator, 4)
self.bitrateQLE = utils.create_LineEdit((130, 16777215), digits_validator, 6)
labels = [sizeQL, aspectQL, frameQL, bitrateQL]
widgets = [layout1, layout2, self.frameQLE, self.bitrateQLE]
self.preserveaspectQChB = QCheckBox(self.tr("Preserve aspect ratio"))
self.preservesizeQChB = QCheckBox(self.tr("Preserve video size"))
preserve_layout = utils.add_to_layout("v", self.preserveaspectQChB, self.preservesizeQChB)
videosettings_layout = QHBoxLayout()
for a, b in zip(labels, widgets):
a.setText('<html><p align="center">{0}</p></html>'.format(a.text()))
layout = utils.add_to_layout("v", a, b)
videosettings_layout.addLayout(layout)
if a == aspectQL:
# add vidaspectCB in layout after aspectQL
videosettings_layout.addLayout(preserve_layout)
freqQL = QLabel(self.tr("Frequency (Hz):"))
chanQL = QLabel(self.tr("Audio Channels:"))
bitrateQL = QLabel(self.tr("Audio Bitrate (kbps):"))
threadsQL = QLabel(self.tr("Threads:"))
self.freqQCB = QComboBox()
self.freqQCB.addItems(frequency_values)
self.chan1QRB = QRadioButton("1")
self.chan1QRB.setMaximumSize(QSize(51, 16777215))
self.chan2QRB = QRadioButton("2")
self.chan2QRB.setMaximumSize(QSize(51, 16777215))
self.group = QButtonGroup()
self.group.addButton(self.chan1QRB)
self.group.addButton(self.chan2QRB)
spcr1 = QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Minimum)
spcr2 = QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Minimum)
chanlayout = utils.add_to_layout("h", spcr1, self.chan1QRB, self.chan2QRB, spcr2)
self.audbitrateQCB = QComboBox()
self.audbitrateQCB.addItems(bitrate_values)
self.threadsQLE = utils.create_LineEdit((50, 16777215), digits_validator_wzero, 1)
labels = [freqQL, bitrateQL, chanQL, threadsQL]
widgets = [self.freqQCB, self.audbitrateQCB, chanlayout, self.threadsQLE]
audiosettings_layout = QHBoxLayout()
for a, b in zip(labels, widgets):
a.setText('<html><p align="center">{0}</p></html>'.format(a.text()))
layout = utils.add_to_layout("v", a, b)
audiosettings_layout.addLayout(layout)
time_format = " (hh:mm:ss):"
beginQL = QLabel(self.tr("Split file. Begin time") + time_format)
self.beginQLE = utils.create_LineEdit(None, time_validator, None)
durationQL = QLabel(self.tr("Duration") + time_format)
self.durationQLE = utils.create_LineEdit(None, time_validator, None)
hlayout4 = utils.add_to_layout("h", beginQL, self.beginQLE, durationQL, self.durationQLE)
embedQL = QLabel(self.tr("Embed subtitle:"))
self.embedQLE = QLineEdit()
self.embedQTB = QToolButton()
self.embedQTB.setText("...")
rotateQL = QLabel(self.tr("Rotate:"))
self.rotateQCB = QComboBox()
self.rotateQCB.addItems(rotation_options)
hlayout5 = utils.add_to_layout("h", rotateQL, self.rotateQCB, embedQL, self.embedQLE, self.embedQTB)
hidden_layout = utils.add_to_layout("v", videosettings_layout, audiosettings_layout, hlayout4, hlayout5)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.moreQPB = QPushButton(QApplication.translate("Tab", "More"))
self.moreQPB.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.moreQPB.setCheckable(True)
hlayout3 = utils.add_to_layout("h", line, self.moreQPB)
self.frame = QFrame()
self.frame.setLayout(hidden_layout)
self.frame.hide()
final_layout = utils.add_to_layout("v", hlayout1, hlayout2, hlayout3, self.frame)
self.setLayout(final_layout)
self.presetQPB.clicked.connect(self.choose_preset)
self.defaultQPB.clicked.connect(self.set_default_command)
self.embedQTB.clicked.connect(self.open_subtitle_file)
self.moreQPB.toggled.connect(self.frame.setVisible)
self.moreQPB.toggled.connect(lambda: QTimer.singleShot(100, self.resize_parent))
self.widthQLE.textChanged.connect(self.command_update_size)
self.heightQLE.textChanged.connect(self.command_update_size)
self.aspect1QLE.textChanged.connect(self.command_update_aspect)
self.aspect2QLE.textChanged.connect(self.command_update_aspect)
self.frameQLE.textChanged.connect(self.command_update_frames)
self.bitrateQLE.textChanged.connect(self.command_update_vidbitrate)
self.threadsQLE.textChanged.connect(self.command_update_threads)
self.beginQLE.textChanged.connect(self.command_update_begin_time)
self.durationQLE.textChanged.connect(self.command_update_duration)
self.embedQLE.textChanged.connect(self.command_update_subtitles)
self.vidcodecQCB.currentIndexChanged.connect(self.command_update_vcodec)
self.audcodecQCB.currentIndexChanged.connect(self.command_update_acodec)
self.freqQCB.currentIndexChanged.connect(self.command_update_frequency)
self.rotateQCB.currentIndexChanged.connect(self.command_update_rotation)
self.audbitrateQCB.currentIndexChanged.connect(self.command_update_audbitrate)
self.chan1QRB.clicked.connect(lambda: self.command_update_channels("1"))
self.chan2QRB.clicked.connect(lambda: self.command_update_channels("2"))
self.preserveaspectQChB.toggled.connect(self.command_update_preserve_aspect)
self.preservesizeQChB.toggled.connect(self.command_update_preserve_size)
def __init__(self, parent):
super(AudioVideoTab, self).__init__(parent)
self.parent = parent
self.name = 'AudioVideo'
self.defaultStr = self.tr('Default')
self.DisableStream = self.tr('Disable')
self.formats = config.video_formats
frequency_values = [self.defaultStr] + config.video_frequency_values
bitrate_values = [self.defaultStr] + config.video_bitrate_values
rotation_options = [
self.tr('None'), '90 ' + self.tr('clockwise'),
'90 ' + self.tr('clockwise') + ' + ' + self.tr('vertical flip'),
'90 ' + self.tr('counter clockwise'), '90 ' +
self.tr('counter clockwise') + ' + ' + self.tr('vertical flip'),
'180',
self.tr('horizontal flip'),
self.tr('vertical flip')
]
digits_validator = QRegExpValidator(QRegExp(r'[1-9]\d*'), self)
digits_validator_wzero = QRegExpValidator(QRegExp(r'\d*'), self)
digits_validator_minus = QRegExpValidator(QRegExp(r'(-1|[1-9]\d*)'),
self)
time_validator = QRegExpValidator(
QRegExp(r'\d{1,2}:\d{1,2}:\d{1,2}\.\d+'), self)
converttoQL = QLabel(self.tr('Convert to:'))
self.extQCB = QComboBox()
self.extQCB.setMinimumWidth(100)
vidcodecQL = QLabel('Video codec:')
self.vidcodecQCB = QComboBox()
self.vidcodecQCB.setMinimumWidth(110)
audcodecQL = QLabel('Audio codec:')
self.audcodecQCB = QComboBox()
self.audcodecQCB.setMinimumWidth(110)
hlayout1 = utils.add_to_layout('h', converttoQL, self.extQCB,
QSpacerItem(180, 20), vidcodecQL,
self.vidcodecQCB, audcodecQL,
self.audcodecQCB)
commandQL = QLabel(self.tr('Command:'))
self.commandQLE = QLineEdit()
self.presetQPB = QPushButton(self.tr('Preset'))
self.defaultQPB = QPushButton(self.defaultStr)
hlayout2 = utils.add_to_layout('h', commandQL, self.commandQLE,
self.presetQPB, self.defaultQPB)
sizeQL = QLabel(self.tr('Video Size:'))
aspectQL = QLabel(self.tr('Aspect:'))
frameQL = QLabel(self.tr('Frame Rate (fps):'))
bitrateQL = QLabel(self.tr('Video Bitrate (kbps):'))
self.widthQLE = utils.create_LineEdit((70, 16777215),
digits_validator_minus, 4)
self.heightQLE = utils.create_LineEdit((70, 16777215),
digits_validator_minus, 4)
label = QLabel('<html><p align="center">x</p></html>')
layout1 = utils.add_to_layout('h', self.widthQLE, label,
self.heightQLE)
self.aspect1QLE = utils.create_LineEdit((50, 16777215),
digits_validator, 2)
self.aspect2QLE = utils.create_LineEdit((50, 16777215),
digits_validator, 2)
label = QLabel('<html><p align="center">:</p></html>')
layout2 = utils.add_to_layout('h', self.aspect1QLE, label,
self.aspect2QLE)
self.frameQLE = utils.create_LineEdit((120, 16777215),
digits_validator, 4)
self.bitrateQLE = utils.create_LineEdit((130, 16777215),
digits_validator, 6)
labels = [sizeQL, aspectQL, frameQL, bitrateQL]
widgets = [layout1, layout2, self.frameQLE, self.bitrateQLE]
self.preserveaspectQChB = QCheckBox(self.tr("Preserve aspect ratio"))
self.preservesizeQChB = QCheckBox(self.tr("Preserve video size"))
preserve_layout = utils.add_to_layout('v', self.preserveaspectQChB,
self.preservesizeQChB)
videosettings_layout = QHBoxLayout()
for a, b in zip(labels, widgets):
a.setText('<html><p align="center">{0}</p></html>'.format(
a.text()))
layout = utils.add_to_layout('v', a, b)
videosettings_layout.addLayout(layout)
if a == aspectQL:
# add vidaspectCB in layout after aspectQL
videosettings_layout.addLayout(preserve_layout)
freqQL = QLabel(self.tr('Frequency (Hz):'))
chanQL = QLabel(self.tr('Audio Channels:'))
bitrateQL = QLabel(self.tr('Audio Bitrate (kbps):'))
threadsQL = QLabel(self.tr('Threads:'))
self.freqQCB = QComboBox()
self.freqQCB.addItems(frequency_values)
self.chan1QRB = QRadioButton('1')
self.chan1QRB.setMaximumSize(QSize(51, 16777215))
self.chan2QRB = QRadioButton('2')
self.chan2QRB.setMaximumSize(QSize(51, 16777215))
self.group = QButtonGroup()
self.group.addButton(self.chan1QRB)
self.group.addButton(self.chan2QRB)
spcr1 = QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Minimum)
spcr2 = QSpacerItem(40, 20, QSizePolicy.Preferred, QSizePolicy.Minimum)
chanlayout = utils.add_to_layout('h', spcr1, self.chan1QRB,
self.chan2QRB, spcr2)
self.audbitrateQCB = QComboBox()
self.audbitrateQCB.addItems(bitrate_values)
self.threadsQLE = utils.create_LineEdit((50, 16777215),
digits_validator_wzero, 1)
labels = [freqQL, bitrateQL, chanQL, threadsQL]
widgets = [
self.freqQCB, self.audbitrateQCB, chanlayout, self.threadsQLE
]
audiosettings_layout = QHBoxLayout()
for a, b in zip(labels, widgets):
a.setText('<html><p align="center">{0}</p></html>'.format(
a.text()))
layout = utils.add_to_layout('v', a, b)
audiosettings_layout.addLayout(layout)
time_format = " (hh:mm:ss):"
beginQL = QLabel(self.tr("Split file. Begin time") + time_format)
self.beginQLE = utils.create_LineEdit(None, time_validator, None)
durationQL = QLabel(self.tr("Duration") + time_format)
self.durationQLE = utils.create_LineEdit(None, time_validator, None)
hlayout4 = utils.add_to_layout('h', beginQL, self.beginQLE, durationQL,
self.durationQLE)
embedQL = QLabel(self.tr("Embed subtitle:"))
self.embedQLE = QLineEdit()
self.embedQTB = QToolButton()
self.embedQTB.setText("...")
rotateQL = QLabel(self.tr("Rotate:"))
self.rotateQCB = QComboBox()
self.rotateQCB.addItems(rotation_options)
hlayout5 = utils.add_to_layout('h', rotateQL, self.rotateQCB, embedQL,
self.embedQLE, self.embedQTB)
hidden_layout = utils.add_to_layout('v', videosettings_layout,
audiosettings_layout, hlayout4,
hlayout5)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
self.moreQPB = QPushButton(QApplication.translate('Tab', 'More'))
self.moreQPB.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.moreQPB.setCheckable(True)
hlayout3 = utils.add_to_layout('h', line, self.moreQPB)
self.frame = QFrame()
self.frame.setLayout(hidden_layout)
self.frame.hide()
final_layout = utils.add_to_layout('v', hlayout1, hlayout2, hlayout3,
self.frame)
self.setLayout(final_layout)
self.presetQPB.clicked.connect(self.choose_preset)
self.defaultQPB.clicked.connect(self.set_default_command)
self.embedQTB.clicked.connect(self.open_subtitle_file)
self.moreQPB.toggled.connect(self.frame.setVisible)
self.moreQPB.toggled.connect(
lambda: QTimer.singleShot(100, self.resize_parent))
self.widthQLE.textChanged.connect(self.command_update_size)
self.heightQLE.textChanged.connect(self.command_update_size)
self.aspect1QLE.textChanged.connect(self.command_update_aspect)
self.aspect2QLE.textChanged.connect(self.command_update_aspect)
self.frameQLE.textChanged.connect(self.command_update_frames)
self.bitrateQLE.textChanged.connect(self.command_update_vidbitrate)
self.threadsQLE.textChanged.connect(self.command_update_threads)
self.beginQLE.textChanged.connect(self.command_update_begin_time)
self.durationQLE.textChanged.connect(self.command_update_duration)
self.embedQLE.textChanged.connect(self.command_update_subtitles)
self.vidcodecQCB.currentIndexChanged.connect(
self.command_update_vcodec)
self.audcodecQCB.currentIndexChanged.connect(
self.command_update_acodec)
self.freqQCB.currentIndexChanged.connect(self.command_update_frequency)
self.rotateQCB.currentIndexChanged.connect(
self.command_update_rotation)
self.audbitrateQCB.currentIndexChanged.connect(
self.command_update_audbitrate)
self.chan1QRB.clicked.connect(
lambda: self.command_update_channels('1'))
self.chan2QRB.clicked.connect(
lambda: self.command_update_channels('2'))
self.preserveaspectQChB.toggled.connect(
self.command_update_preserve_aspect)
self.preservesizeQChB.toggled.connect(
self.command_update_preserve_size)
