def __init__(self, controller, parent=None):
QWidget.__init__(self, parent)
self.controller = controller
self.setupUi(self)
#This is required and has to be a unique source plugin string,
#so it's good idea to name it the same as the file (between Plugin and .py)
self.name = "Ladybug"
self.cam = Ladybug()
QObject.connect(self.btnEnableRecording, SIGNAL("clicked()"),
self.recordingEnabledDisabled)
QObject.connect(self.cam, SIGNAL("capturedFrame(LadybugFrame)"),
self.capturedFrame)
self.num_frames = 0
self.num_mbytes = 0
self.written = (0, 0) # megabytes, frames
self.frames_behind = 0
self.frames_discarded = 0
self.timerFps = QTimer()
self.connect(self.timerFps, SIGNAL("timeout()"), self.updateFps)
self.timerFps.start(1000)
QObject.connect(self.cboCamera, SIGNAL("currentIndexChanged(int)"),
self.cameraChanged)
# TODO: ak spustim kameru tu tak to spadne
# config defaults
self.preview = True
self.color = True
self.cam_index = 1
self.lblRecord.setText("") # what to show there when idle?
# load settings
settings = QSettings()
settings.beginGroup("/plugins/GatherPlugin/Ladybug")
self.cam_index = settings.value("camera", QVariant(1)).toInt()[0]
self.btnEnableRecording.setChecked(
settings.value("recordingEnabled", QVariant(True)).toBool())
def __init__(self, controller, parent=None):
QWidget.__init__(self, parent)
self.controller=controller
self.setupUi(self)
#This is required and has to be a unique source plugin string,
#so it's good idea to name it the same as the file (between Plugin and .py)
self.name="Ladybug"
self.cam = Ladybug()
QObject.connect(
self.btnEnableRecording, SIGNAL("clicked()"),
self.recordingEnabledDisabled
)
QObject.connect(self.cam, SIGNAL("capturedFrame(LadybugFrame)"), self.capturedFrame)
self.num_frames = 0
self.num_mbytes = 0
self.written = (0,0) # megabytes, frames
self.frames_behind = 0
self.frames_discarded = 0
self.timerFps = QTimer()
self.connect(self.timerFps, SIGNAL("timeout()"), self.updateFps)
self.timerFps.start(1000)
QObject.connect(self.cboCamera, SIGNAL("currentIndexChanged(int)"), self.cameraChanged)
# TODO: ak spustim kameru tu tak to spadne
# config defaults
self.preview = True
self.color = True
self.cam_index = 1
self.lblRecord.setText("") # what to show there when idle?
# load settings
settings = QSettings()
settings.beginGroup("/plugins/GatherPlugin/Ladybug")
self.cam_index = settings.value("camera", QVariant(1)).toInt()[0]
self.btnEnableRecording.setChecked( settings.value("recordingEnabled", QVariant(True)).toBool() )
class PluginLadybug(QWidget, Ui_PluginLadybug):
"""
Plugin for controlling Ladybug2 spherical camera
"""
def __init__(self, controller, parent=None):
QWidget.__init__(self, parent)
self.controller=controller
self.setupUi(self)
#This is required and has to be a unique source plugin string,
#so it's good idea to name it the same as the file (between Plugin and .py)
self.name="Ladybug"
self.cam = Ladybug()
QObject.connect(
self.btnEnableRecording, SIGNAL("clicked()"),
self.recordingEnabledDisabled
)
QObject.connect(self.cam, SIGNAL("capturedFrame(LadybugFrame)"), self.capturedFrame)
self.num_frames = 0
self.num_mbytes = 0
self.written = (0,0) # megabytes, frames
self.frames_behind = 0
self.frames_discarded = 0
self.timerFps = QTimer()
self.connect(self.timerFps, SIGNAL("timeout()"), self.updateFps)
self.timerFps.start(1000)
QObject.connect(self.cboCamera, SIGNAL("currentIndexChanged(int)"), self.cameraChanged)
# TODO: ak spustim kameru tu tak to spadne
# config defaults
self.preview = True
self.color = True
self.cam_index = 1
self.lblRecord.setText("") # what to show there when idle?
# load settings
settings = QSettings()
settings.beginGroup("/plugins/GatherPlugin/Ladybug")
self.cam_index = settings.value("camera", QVariant(1)).toInt()[0]
self.btnEnableRecording.setChecked( settings.value("recordingEnabled", QVariant(True)).toBool() )
def unload(self):
""" called when plugin is going to quit """
# stop the recording!
if self.cam.isActive():
self.cam.exit()
# save configuration
settings = QSettings()
settings.beginGroup("/plugins/GatherPlugin/Ladybug")
settings.setValue("camera", QVariant(self.cboCamera.currentIndex()) )
settings.setValue("recordingEnabled", QVariant(self.btnEnableRecording.isChecked()) )
def cameraChanged(self, index):
self.cam_index = index
self.updatePreviewSettings()
def updatePreviewSettings(self):
interval = 100
color = True # always use color picture
preview = (self.cam_index != 0) # first option is "no preview"
camMask = (1 << (self.cam_index-1)) if preview else 0
self.cam.setPreviewSettings(camMask, color, interval)
# update gui
self.widgetPreview.setImg(QImage())
def updateFps(self):
""" called every second to update status """
self.lblFps.setText("%d" % self.num_frames)
self.lblData.setText("%.1f MB/s" % self.num_mbytes)
self.num_frames = 0
self.num_mbytes = 0
if not self.cam.isRecording():
self.lblRecord.setText("Off")
self.lblDiscarded.setText("None")
else:
self.lblRecord.setText("%d frames\n%.1f MiB" % (self.written[1], self.written[0]) )
self.lblDiscarded.setText("%d frames" % self.frames_discarded)
if self.frames_behind == 0:
self.lblLag.setText("None")
else:
self.lblLag.setText("%d frames behind" % self.frames_behind)
def recordingEnabledDisabled(self):
if self.btnEnableRecording.isChecked():
p = QPixmap(":/icons/dialog-ok-apply.png")
self.btnEnableRecording.setText("Recording enabled (click to disable)")
else:
p = QPixmap(":/icons/dialog-cancel.png")
self.btnEnableRecording.setText("Recording disabled (click to enable)")
self.btnEnableRecording.setIconSize(p.size())
self.btnEnableRecording.setIcon(QIcon(p))
def capturedFrame(self, f):
try:
#print "frame!!!", type(f), f.valid, f.frameBytes
if f.valid:
self.num_mbytes += float(f.frameBytes) / (1024 * 1024)
self.num_frames += 1
self.written = (f.megabytesWritten, f.framesWritten)
self.frames_behind = f.framesBehind
self.frames_discarded = f.framesDiscarded
img = f.previewImage(self.cam_index-1 if self.cam_index > 0 else 0)
if not img.isNull():
self.widgetPreview.setImg(img)
except:
print "Error in PluginLadybug::capturedFrame:"
print '-'*60
traceback.print_exc(file=sys.stdout)
print '-'*60
def initCapture(self):
""" initialize device """
self.capturing = self.cam.init()
if self.capturing:
self.lblStatus.setText("OK")
self.cboCamera.setCurrentIndex(self.cam_index)
self.updatePreviewSettings()
else:
self.lblStatus.setText(self.cam.errorMessage())
self.setEnabled(False)
def finalizeUI(self):
"""
This method is called after the plugin widget was
inserted to tab widget of gather widget. At this point,
whole gather widget is initialized and it's possible
to use all of it's standard functionality...
(e.g. controller.getRecordingEnabledAuxCheckbox)
"""
QObject.connect(self.controller.gpsDaemon, SIGNAL("newTrackPoint(PyQt_PyObject)"), self.updateGpsInfo)
self.initCapture()
self.recordingEnabledDisabled()
def startRecording(self, dataDirectory):
"""
Start recording of data. This method is called from inside
of the main thread so it is safe to call Qt UI methods. Because
of this, the method should return immediately after preparing
the input 'stream'.
"""
if not self.cam.isActive():
# TODO: do something? a warning?
return
self.btnEnableRecording.setEnabled(False)
self.dataDirectory=dataDirectory+self.name+"/"
if not os.path.isdir(self.dataDirectory):
os.mkdir(self.dataDirectory)
self.cam.startRecording(self.dataDirectory + "stream")
def stopRecording(self):
"""
Terminate recording of stream
"""
self.btnEnableRecording.setEnabled(True)
self.cam.stopRecording()
def updateGpsInfo(self):
""" tell ladybug about the position """
gpsStatus = self.controller.gpsDaemon.getStatus()
if not gpsStatus:
return # we're not connected
np=self.controller.getNmeaParser()
if np.validPos:
gpsTime = QDateTime.fromString(np.time, "yyyy-MM-dd hh:mm:ss")
self.cam.setCurrentGpsInfo( LadybugGpsInfo(np.lon, np.lat, np.altitude, gpsTime) )
# UNUSED STUFF
def pollRecording(self):
"""
In case the plugin writer doesn't want to run a separate thread/process
for gathering data, every few milliseconds (as fast as possible) the
gatherer cals all plugins' pollRecording method. If the method returns
an integer, it is number of milliseconds that the plugin doesn't need
any more data gathering (this may be used for optimizing the gathering
cpu usage).
"""
pass
def clearMapCanvasItems(self):
"""
Called, when gatherer wants to clear all the previously
recorded data from map canvas.
"""
pass
class PluginLadybug(QWidget, Ui_PluginLadybug):
"""
Plugin for controlling Ladybug2 spherical camera
"""
def __init__(self, controller, parent=None):
QWidget.__init__(self, parent)
self.controller = controller
self.setupUi(self)
#This is required and has to be a unique source plugin string,
#so it's good idea to name it the same as the file (between Plugin and .py)
self.name = "Ladybug"
self.cam = Ladybug()
QObject.connect(self.btnEnableRecording, SIGNAL("clicked()"),
self.recordingEnabledDisabled)
QObject.connect(self.cam, SIGNAL("capturedFrame(LadybugFrame)"),
self.capturedFrame)
self.num_frames = 0
self.num_mbytes = 0
self.written = (0, 0) # megabytes, frames
self.frames_behind = 0
self.frames_discarded = 0
self.timerFps = QTimer()
self.connect(self.timerFps, SIGNAL("timeout()"), self.updateFps)
self.timerFps.start(1000)
QObject.connect(self.cboCamera, SIGNAL("currentIndexChanged(int)"),
self.cameraChanged)
# TODO: ak spustim kameru tu tak to spadne
# config defaults
self.preview = True
self.color = True
self.cam_index = 1
self.lblRecord.setText("") # what to show there when idle?
# load settings
settings = QSettings()
settings.beginGroup("/plugins/GatherPlugin/Ladybug")
self.cam_index = settings.value("camera", QVariant(1)).toInt()[0]
self.btnEnableRecording.setChecked(
settings.value("recordingEnabled", QVariant(True)).toBool())
def unload(self):
""" called when plugin is going to quit """
# stop the recording!
if self.cam.isActive():
self.cam.exit()
# save configuration
settings = QSettings()
settings.beginGroup("/plugins/GatherPlugin/Ladybug")
settings.setValue("camera", QVariant(self.cboCamera.currentIndex()))
settings.setValue("recordingEnabled",
QVariant(self.btnEnableRecording.isChecked()))
def cameraChanged(self, index):
self.cam_index = index
self.updatePreviewSettings()
def updatePreviewSettings(self):
interval = 100
color = True # always use color picture
preview = (self.cam_index != 0) # first option is "no preview"
camMask = (1 << (self.cam_index - 1)) if preview else 0
self.cam.setPreviewSettings(camMask, color, interval)
# update gui
self.widgetPreview.setImg(QImage())
def updateFps(self):
""" called every second to update status """
self.lblFps.setText("%d" % self.num_frames)
self.lblData.setText("%.1f MB/s" % self.num_mbytes)
self.num_frames = 0
self.num_mbytes = 0
if not self.cam.isRecording():
self.lblRecord.setText("Off")
self.lblDiscarded.setText("None")
else:
self.lblRecord.setText("%d frames\n%.1f MiB" %
(self.written[1], self.written[0]))
self.lblDiscarded.setText("%d frames" % self.frames_discarded)
if self.frames_behind == 0:
self.lblLag.setText("None")
else:
self.lblLag.setText("%d frames behind" % self.frames_behind)
def recordingEnabledDisabled(self):
if self.btnEnableRecording.isChecked():
p = QPixmap(":/icons/dialog-ok-apply.png")
self.btnEnableRecording.setText(
"Recording enabled (click to disable)")
else:
p = QPixmap(":/icons/dialog-cancel.png")
self.btnEnableRecording.setText(
"Recording disabled (click to enable)")
self.btnEnableRecording.setIconSize(p.size())
self.btnEnableRecording.setIcon(QIcon(p))
def capturedFrame(self, f):
try:
#print "frame!!!", type(f), f.valid, f.frameBytes
if f.valid:
self.num_mbytes += float(f.frameBytes) / (1024 * 1024)
self.num_frames += 1
self.written = (f.megabytesWritten, f.framesWritten)
self.frames_behind = f.framesBehind
self.frames_discarded = f.framesDiscarded
img = f.previewImage(self.cam_index -
1 if self.cam_index > 0 else 0)
if not img.isNull():
self.widgetPreview.setImg(img)
except:
print "Error in PluginLadybug::capturedFrame:"
print '-' * 60
traceback.print_exc(file=sys.stdout)
print '-' * 60
def initCapture(self):
""" initialize device """
self.capturing = self.cam.init()
if self.capturing:
self.lblStatus.setText("OK")
self.cboCamera.setCurrentIndex(self.cam_index)
self.updatePreviewSettings()
else:
self.lblStatus.setText(self.cam.errorMessage())
self.setEnabled(False)
def finalizeUI(self):
"""
This method is called after the plugin widget was
inserted to tab widget of gather widget. At this point,
whole gather widget is initialized and it's possible
to use all of it's standard functionality...
(e.g. controller.getRecordingEnabledAuxCheckbox)
"""
QObject.connect(self.controller.gpsDaemon,
SIGNAL("newTrackPoint(PyQt_PyObject)"),
self.updateGpsInfo)
self.initCapture()
self.recordingEnabledDisabled()
def startRecording(self, dataDirectory):
"""
Start recording of data. This method is called from inside
of the main thread so it is safe to call Qt UI methods. Because
of this, the method should return immediately after preparing
the input 'stream'.
"""
if not self.cam.isActive():
# TODO: do something? a warning?
return
self.btnEnableRecording.setEnabled(False)
self.dataDirectory = dataDirectory + self.name + "/"
if not os.path.isdir(self.dataDirectory):
os.mkdir(self.dataDirectory)
self.cam.startRecording(self.dataDirectory + "stream")
def stopRecording(self):
"""
Terminate recording of stream
"""
self.btnEnableRecording.setEnabled(True)
self.cam.stopRecording()
def updateGpsInfo(self):
""" tell ladybug about the position """
gpsStatus = self.controller.gpsDaemon.getStatus()
if not gpsStatus:
return # we're not connected
np = self.controller.getNmeaParser()
if np.validPos:
gpsTime = QDateTime.fromString(np.time, "yyyy-MM-dd hh:mm:ss")
self.cam.setCurrentGpsInfo(
LadybugGpsInfo(np.lon, np.lat, np.altitude, gpsTime))
# UNUSED STUFF
def pollRecording(self):
"""
In case the plugin writer doesn't want to run a separate thread/process
for gathering data, every few milliseconds (as fast as possible) the
gatherer cals all plugins' pollRecording method. If the method returns
an integer, it is number of milliseconds that the plugin doesn't need
any more data gathering (this may be used for optimizing the gathering
cpu usage).
"""
pass
def clearMapCanvasItems(self):
"""
Called, when gatherer wants to clear all the previously
recorded data from map canvas.
"""
pass
