def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.available_cameras = QCameraInfo.availableCameras()
if not self.available_cameras:
pass #quit
self.status = QStatusBar()
self.setStatusBar(self.status)
self.save_path = ""
self.viewfinder = QCameraViewfinder()
self.viewfinder.show()
self.setCentralWidget(self.viewfinder)
# Set the default camera.
self.select_camera(0)
# Setup tools
camera_toolbar = QToolBar("Camera")
camera_toolbar.setIconSize(QSize(14, 14))
self.addToolBar(camera_toolbar)
photo_action = QAction(QIcon(os.path.join('images', 'camera-black.png')), "Take photo...", self)
photo_action.setStatusTip("Take photo of current view")
photo_action.triggered.connect(self.take_photo)
camera_toolbar.addAction(photo_action)
change_folder_action = QAction(QIcon(os.path.join('images', 'blue-folder-horizontal-open.png')), "Change save location...", self)
change_folder_action.setStatusTip("Change folder where photos are saved.")
change_folder_action.triggered.connect(self.change_folder)
camera_toolbar.addAction(change_folder_action)
camera_selector = QComboBox()
camera_selector.addItems([c.description() for c in self.available_cameras])
camera_selector.currentIndexChanged.connect( self.select_camera )
camera_toolbar.addWidget(camera_selector)
self.setWindowTitle("NSAViewer")
self.show()
def __init__(self):
super(MainWindow, self).__init__()
self.cameraInfo = QCameraInfo.defaultCamera()
self.camera = QCamera(self.cameraInfo)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.imageCapture = QCameraImageCapture(self.camera)
self.imageCapture.imageCaptured.connect(self.imageCaptured)
self.imageCapture.imageSaved.connect(self.imageSaved)
self.currentPreview = QImage()
toolBar = QToolBar()
self.addToolBar(toolBar)
fileMenu = self.menuBar().addMenu("&File")
shutterIcon = QIcon(
os.path.join(os.path.dirname(__file__), "shutter.svg"))
self.takePictureAction = QAction(shutterIcon,
"&Take Picture",
self,
shortcut="Ctrl+T",
triggered=self.takePicture)
self.takePictureAction.setToolTip("Take Picture")
fileMenu.addAction(self.takePictureAction)
toolBar.addAction(self.takePictureAction)
exitAction = QAction(QIcon.fromTheme("application-exit"),
"E&xit",
self,
shortcut="Ctrl+Q",
triggered=self.close)
fileMenu.addAction(exitAction)
aboutMenu = self.menuBar().addMenu("&About")
aboutQtAction = QAction("About &Qt", self, triggered=qApp.aboutQt)
aboutMenu.addAction(aboutQtAction)
self.tabWidget = QTabWidget()
self.setCentralWidget(self.tabWidget)
self.cameraViewfinder = QCameraViewfinder()
self.camera.setViewfinder(self.cameraViewfinder)
self.tabWidget.addTab(self.cameraViewfinder, "Viewfinder")
if self.camera.status() != QCamera.UnavailableStatus:
name = self.cameraInfo.description()
self.setWindowTitle("PySide2 Camera Example (" + name + ")")
self.statusBar().showMessage("Starting: '" + name + "'", 5000)
self.camera.start()
else:
self.setWindowTitle("PySide2 Camera Example")
self.takePictureAction.setEnabled(False)
self.statusBar().showMessage("Camera unavailable", 5000)
def __init__(self):
super(Camera, self).__init__()
self.available_cameras = QCameraInfo.availableCameras()
if not self.available_cameras:
pass # quit
"""
self.status = QStatusBar()
self.setStatusBar(self.status)
"""
self.save_path = ""
self.viewfinder = QCameraViewfinder()
self.viewfinder.show()
#self.setCentralWidget(self.viewfinder)
# Set the default camera.
self.select_camera(0)
"""
class MainWindow(QMainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.available_cameras = QCameraInfo.availableCameras()
if not self.available_cameras:
pass #quit
self.status = QStatusBar()
self.setStatusBar(self.status)
self.save_path = ""
self.viewfinder = QCameraViewfinder()
self.viewfinder.show()
self.setCentralWidget(self.viewfinder)
# Set the default camera.
self.select_camera(0)
# Setup tools
camera_toolbar = QToolBar("Camera")
camera_toolbar.setIconSize(QSize(14, 14))
self.addToolBar(camera_toolbar)
photo_action = QAction(QIcon(os.path.join('images', 'camera-black.png')), "Take photo...", self)
photo_action.setStatusTip("Take photo of current view")
photo_action.triggered.connect(self.take_photo)
camera_toolbar.addAction(photo_action)
change_folder_action = QAction(QIcon(os.path.join('images', 'blue-folder-horizontal-open.png')), "Change save location...", self)
change_folder_action.setStatusTip("Change folder where photos are saved.")
change_folder_action.triggered.connect(self.change_folder)
camera_toolbar.addAction(change_folder_action)
camera_selector = QComboBox()
camera_selector.addItems([c.description() for c in self.available_cameras])
camera_selector.currentIndexChanged.connect( self.select_camera )
camera_toolbar.addWidget(camera_selector)
self.setWindowTitle("NSAViewer")
self.show()
def select_camera(self, i):
self.camera = QCamera(self.available_cameras[i])
self.camera.setViewfinder(self.viewfinder)
self.camera.setCaptureMode(QCamera.CaptureStillImage)
self.camera.error.connect(lambda: self.alert(self.camera.errorString()))
self.camera.start()
self.capture = QCameraImageCapture(self.camera)
self.capture.error.connect(lambda i, e, s: self.alert(s))
self.capture.imageCaptured.connect(lambda d, i: self.status.showMessage("Image %04d captured" % self.save_seq))
self.current_camera_name = self.available_cameras[i].description()
self.save_seq = 0
def take_photo(self):
timestamp = time.strftime("%d-%b-%Y-%H_%M_%S")
self.capture.capture(os.path.join(self.save_path, "%s-%04d-%s.jpg" % (
self.current_camera_name,
self.save_seq,
timestamp
)))
self.save_seq += 1
def change_folder(self):
path = QFileDialog.getExistingDirectory(self, "Snapshot save location", "")
if path:
self.save_path = path
self.save_seq = 0
def alert(self, s):
"""
Handle errors coming from QCamera dn QCameraImageCapture by displaying alerts.
"""
err = QErrorMessage(self)
err.showMessage(s)
from PySide2.QtMultimedia import QCamera
from PySide2.QtMultimediaWidgets import QCameraViewfinder
import time
if __name__ == '__main__':
camera = QCamera
viewfinder = QCameraViewfinder()
viewfinder.show()
camera.setViewfinder(viewfinder)
imageCapture = QCameraViewfinder(camera)
camera.setCaptureMode(QCamera.CaptureStillImage)
camera.start()
time.sleep(10)
camera.stop()
imageCapture.saveGeometry()
def __init__(self):
super().__init__()
# window basic properties
self.setWindowTitle('Blue Haze')
self.setFixedSize(cfg.UI_WIDTH, cfg.UI_HEIGHT)
# tab widget
self.tab_widget = QTabWidget()
# setup group
self.complete_session_name = None
self.session_name = QLineEdit()
self.video_file_path = QLineEdit()
self.list_cameras = QComboBox()
self.list_audio_devices = QComboBox()
self.list_audio_devices.setDuplicatesEnabled(False)
self.list_backing_tracks = QComboBox()
self.PLAY_BACKING_TRACK = 'Play backing track'
self.play_stop_backing_track_button = QPushButton(
self.PLAY_BACKING_TRACK)
# check if debug is on & auto set
# session name & video file path fields
if cfg.DEBUG:
self.session_name.setText('test')
self.video_file_path.setText(str(Path.home()) + '\Documents\hdi')
# hardware
self.bullet_bitalino_label = QLabel()
self.bitalino_label = QLabel('Bitalino')
self.bullet_brainbit_label = QLabel()
self.brainbit_label = QLabel('Brainbit')
self.bullet_realsense_label = QLabel()
self.realsense_label = QLabel('RealSense camera')
self.bullet_picoboard_label = QLabel()
self.picoboard_label = QLabel('Picoboard')
self.hardware_status = {
'Bitalino': not cfg.HARDWARE,
'Brainbit': not cfg.HARDWARE,
'RealSense': not cfg.HARDWARE
}
self.picoboard_status = False
# record bottom area
self.record_stop_button = QPushButton('Record session')
self.record_stop_button.setEnabled(not cfg.HARDWARE)
self.recording_label = QLabel()
# mic volume
self.volume_slider = QSlider()
self.volume_slider.setOrientation(Qt.Horizontal)
self.volume_slider.setTickInterval(10)
self.volume_slider.setMinimum(1)
self.volume_slider.setMaximum(100)
self.volume_slider.setValue(cfg.UI_INITIAL_MIC_VOLUME)
self.volume_slider.valueChanged.connect(
self.change_value_mic_volume_label)
self.volume_slider_label = QLabel('30')
# states
self.recording = False
# objects
self.backing_track_player = PlayAudioTrack(parent=self)
self.view_finder = QCameraViewfinder()
# hardware setup
self.get_list_cameras()
self.get_list_audio_devices()
self.get_list_backing_tracks()
if cfg.HARDWARE:
self.setup_hw()
# feedback
self.feedback = Feedback(parent=self)
# ui setup
self.setup_ui()
# start the camera
self.camera = QCamera(self.list_cameras.currentData())
self.start_camera()
# see
# https://stackoverflow.com/questions/46827007/runtimeerror-this-event-loop-is-already-running-in-python
nest_asyncio.apply()
# record session object
self.record_session = RecordSession(parent=self)