def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.setupUi(self)
self.threadpool = QThreadPool()
print('Multithreading with maximum %d threads' %
self.threadpool.maxThreadCount())
self.player = QMediaPlayer()
# Setup the playlist.
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
# Setup the player
self.player.durationChanged.connect(self.update_duration)
self.player.positionChanged.connect(self.update_position)
self.playlist.currentIndexChanged.connect(
self.playlist_position_changed)
self.player.error.connect(self.erroralert)
self.videoWidget = QVideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.model = PlaylistModel(self.playlist)
self.playListView.setModel(self.model)
selection_model = self.playListView.selectionModel()
selection_model.selectionChanged.connect(
self.playlist_selection_changed)
self.currentFrame = QVideoFrame()
# Connect control buttons/slides for media player.
self.playButton.pressed.connect(self.player.play)
self.pauseButton.pressed.connect(self.player.pause)
self.stopButton.pressed.connect(self.player.stop)
layout = QVBoxLayout()
layout.addWidget(self.videoWidget)
self.viewWidget.setLayout(layout)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.on_videoFrameProbed)
self.probe.setSource(self.player)
self.timeSlider.valueChanged.connect(self.player.setPosition)
self.open_file_action.triggered.connect(self.open_file)
# button for save current frame
self.saveButton.pressed.connect(self.save_frame)
self.setAcceptDrops(True)
self.show()
def _init_video_player(self):
"""
:return:
"""
self.histogram = HistogramWidget()
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.histogram.process_frame)
self.probe.setSource(self.player)
def start(self):
self._tasks = AioJoinableQueue(maxsize=1)
self._results = AioQueue()
self._exit = AioEvent()
self._converter = ConverterWorker(self._tasks, self._results,
self._exit)
self._converter.start()
camera = self._camera.property("mediaObject")
self._probe = QVideoProbe(self)
self._probe.setSource(camera)
self._probe.videoFrameProbed.connect(self.handleFrame)
def __init__(self, stimulusWindow):
super(MediaWindow, self).__init__()
self.setFocusPolicy(Qt.StrongFocus)
self.setStyleSheet('''
QWidget{
border-style: none;
}
''')
#self.setWindowFlags(Qt.WindowStaysOnTopHint | Qt.FramelessWindowHint)
self.showFullScreen()
self.stimulusWindow = stimulusWindow
stimulusWindow.showFullScreen()
self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
self.videoProbe = QVideoProbe()
self.videoProbe.videoFrameProbed.connect(self.onVideoFrame)
self.videoProbe.setSource(self.mediaPlayer)
self.graphicsVideoItem = QGraphicsVideoItem()
self.graphicsScene = QGraphicsScene()
self.graphicsView = QGraphicsView(self.graphicsScene)
geom = stimulusWindow.geometry()
self.graphicsView.setFixedSize(geom.width(), geom.height())
self.graphicsScene.addItem(self.graphicsVideoItem)
self.graphicsView.setViewport(self.stimulusWindow)
self.graphicsView.setViewportUpdateMode(
QGraphicsView.FullViewportUpdate)
print(self.graphicsView.contentsRect())
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.alignmentRect
layout.addWidget(self.graphicsView)
self.setLayout(layout)
self.graphicsView.setFocusPolicy(Qt.NoFocus)
self.graphicsView.viewport().installEventFilter(self)
self.hide()
#self.showFullScreen()
self.ticker = None
def __init__(self, playlist, parent=None):
super(Player, self).__init__(parent)
self.colorDialog = None
self.trackInfo = ""
self.statusInfo = ""
self.duration = 0
self.player = QMediaPlayer()
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
self.player.durationChanged.connect(self.durationChanged)
self.player.positionChanged.connect(self.positionChanged)
self.player.metaDataChanged.connect(self.metaDataChanged)
self.playlist.currentIndexChanged.connect(self.playlistPositionChanged)
self.player.mediaStatusChanged.connect(self.statusChanged)
self.player.bufferStatusChanged.connect(self.bufferingProgress)
self.player.videoAvailableChanged.connect(self.videoAvailableChanged)
self.player.error.connect(self.displayErrorMessage)
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.playlistModel = PlaylistModel()
self.playlistModel.setPlaylist(self.playlist)
self.playlistView = QListView()
self.playlistView.setModel(self.playlistModel)
self.playlistView.setCurrentIndex(
self.playlistModel.index(self.playlist.currentIndex(), 0))
self.playlistView.activated.connect(self.jump)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.player.duration() / 1000)
self.labelDuration = QLabel()
self.slider.sliderMoved.connect(self.seek)
self.labelHistogram = QLabel()
self.labelHistogram.setText("Histogram:")
self.histogram = HistogramWidget()
histogramLayout = QHBoxLayout()
histogramLayout.addWidget(self.labelHistogram)
histogramLayout.addWidget(self.histogram, 1)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.histogram.processFrame)
self.probe.setSource(self.player)
openButton = QPushButton("Open", clicked=self.open)
controls = PlayerControls()
controls.setState(self.player.state())
controls.setVolume(self.player.volume())
controls.setMuted(controls.isMuted())
controls.play.connect(self.player.play)
controls.pause.connect(self.player.pause)
controls.stop.connect(self.player.stop)
controls.next.connect(self.playlist.next)
controls.previous.connect(self.previousClicked)
controls.changeVolume.connect(self.player.setVolume)
controls.changeMuting.connect(self.player.setMuted)
controls.changeRate.connect(self.player.setPlaybackRate)
controls.stop.connect(self.videoWidget.update)
self.player.stateChanged.connect(controls.setState)
self.player.volumeChanged.connect(controls.setVolume)
self.player.mutedChanged.connect(controls.setMuted)
self.fullScreenButton = QPushButton("FullScreen")
self.fullScreenButton.setCheckable(True)
self.colorButton = QPushButton("Color Options...")
self.colorButton.setEnabled(False)
self.colorButton.clicked.connect(self.showColorDialog)
displayLayout = QHBoxLayout()
displayLayout.addWidget(self.videoWidget, 2)
displayLayout.addWidget(self.playlistView)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addStretch(1)
controlLayout.addWidget(controls)
controlLayout.addStretch(1)
controlLayout.addWidget(self.fullScreenButton)
controlLayout.addWidget(self.colorButton)
layout = QVBoxLayout()
layout.addLayout(displayLayout)
hLayout = QHBoxLayout()
hLayout.addWidget(self.slider)
hLayout.addWidget(self.labelDuration)
layout.addLayout(hLayout)
layout.addLayout(controlLayout)
layout.addLayout(histogramLayout)
self.setLayout(layout)
if not self.player.isAvailable():
QMessageBox.warning(self, "Service not available",
"The QMediaPlayer object does not have a valid service.\n"
"Please check the media service plugins are installed.")
controls.setEnabled(False)
self.playlistView.setEnabled(False)
openButton.setEnabled(False)
self.colorButton.setEnabled(False)
self.fullScreenButton.setEnabled(False)
self.metaDataChanged()
self.addToPlaylist(playlist)
def __init__(self, playlist, parent=None):
super(Player, self).__init__(parent)
self.colorDialog = None
self.trackInfo = ""
self.statusInfo = ""
self.duration = 0
self.player = QMediaPlayer()
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
self.player.durationChanged.connect(self.durationChanged)
self.player.positionChanged.connect(self.positionChanged)
self.player.metaDataChanged.connect(self.metaDataChanged)
self.playlist.currentIndexChanged.connect(self.playlistPositionChanged)
self.player.mediaStatusChanged.connect(self.statusChanged)
self.player.bufferStatusChanged.connect(self.bufferingProgress)
self.player.videoAvailableChanged.connect(self.videoAvailableChanged)
self.player.error.connect(self.displayErrorMessage)
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.playlistModel = PlaylistModel()
self.playlistModel.setPlaylist(self.playlist)
self.playlistView = QListView()
self.playlistView.setModel(self.playlistModel)
self.playlistView.setCurrentIndex(
self.playlistModel.index(self.playlist.currentIndex(), 0))
self.playlistView.activated.connect(self.jump)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.player.duration() / 1000)
self.labelDuration = QLabel()
self.slider.sliderMoved.connect(self.seek)
# self.labelHistogram = QLabel()
# self.labelHistogram.setText("Histogram:")
# self.histogram = HistogramWidget()
# histogramLayout = QHBoxLayout()
# histogramLayout.addWidget(self.labelHistogram)
# histogramLayout.addWidget(self.histogram, 1)
self.probe = QVideoProbe()
# self.probe.videoFrameProbed.connect(self.histogram.processFrame)
self.probe.setSource(self.player)
openButton = QPushButton("打开", clicked=self.open)
controls = PlayerControls()
controls.setState(self.player.state())
controls.setVolume(self.player.volume())
controls.setMuted(controls.isMuted())
controls.play.connect(self.player.play)
controls.pause.connect(self.player.pause)
controls.stop.connect(self.player.stop)
controls.next.connect(self.playlist.next)
controls.previous.connect(self.previousClicked)
controls.changeVolume.connect(self.player.setVolume)
controls.changeMuting.connect(self.player.setMuted)
controls.changeRate.connect(self.player.setPlaybackRate)
controls.stop.connect(self.videoWidget.update)
self.player.stateChanged.connect(controls.setState)
self.player.volumeChanged.connect(controls.setVolume)
self.player.mutedChanged.connect(controls.setMuted)
self.fullScreenButton = QPushButton("全屏")
self.fullScreenButton.setCheckable(True)
self.colorButton = QPushButton("颜色选项")
self.colorButton.setEnabled(False)
self.colorButton.clicked.connect(self.showColorDialog)
displayLayout = QHBoxLayout()
displayLayout.addWidget(self.videoWidget, 2)
displayLayout.addWidget(self.playlistView)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addStretch(1)
controlLayout.addWidget(controls)
controlLayout.addStretch(1)
controlLayout.addWidget(self.fullScreenButton)
controlLayout.addWidget(self.colorButton)
layout = QVBoxLayout()
layout.addLayout(displayLayout)
hLayout = QHBoxLayout()
hLayout.addWidget(self.slider)
hLayout.addWidget(self.labelDuration)
layout.addLayout(hLayout)
layout.addLayout(controlLayout)
# layout.addLayout(histogramLayout)
self.setLayout(layout)
if not self.player.isAvailable():
QMessageBox.warning(
self, "Service not available",
"The QMediaPlayer object does not have a valid service.\n"
"Please check the media service plugins are installed.")
controls.setEnabled(False)
self.playlistView.setEnabled(False)
openButton.setEnabled(False)
self.colorButton.setEnabled(False)
self.fullScreenButton.setEnabled(False)
self.metaDataChanged()
self.addToPlaylist(playlist)
class Player(QWidget):
fullScreenChanged = pyqtSignal(bool)
def __init__(self, playlist, parent=None):
super(Player, self).__init__(parent)
self.colorDialog = None
self.trackInfo = ""
self.statusInfo = ""
self.duration = 0
self.player = QMediaPlayer()
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
self.player.durationChanged.connect(self.durationChanged)
self.player.positionChanged.connect(self.positionChanged)
self.player.metaDataChanged.connect(self.metaDataChanged)
self.playlist.currentIndexChanged.connect(self.playlistPositionChanged)
self.player.mediaStatusChanged.connect(self.statusChanged)
self.player.bufferStatusChanged.connect(self.bufferingProgress)
self.player.videoAvailableChanged.connect(self.videoAvailableChanged)
self.player.error.connect(self.displayErrorMessage)
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.playlistModel = PlaylistModel()
self.playlistModel.setPlaylist(self.playlist)
self.playlistView = QListView()
self.playlistView.setModel(self.playlistModel)
self.playlistView.setCurrentIndex(
self.playlistModel.index(self.playlist.currentIndex(), 0))
self.playlistView.activated.connect(self.jump)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.player.duration() / 1000)
self.labelDuration = QLabel()
self.slider.sliderMoved.connect(self.seek)
# self.labelHistogram = QLabel()
# self.labelHistogram.setText("Histogram:")
# self.histogram = HistogramWidget()
# histogramLayout = QHBoxLayout()
# histogramLayout.addWidget(self.labelHistogram)
# histogramLayout.addWidget(self.histogram, 1)
self.probe = QVideoProbe()
# self.probe.videoFrameProbed.connect(self.histogram.processFrame)
self.probe.setSource(self.player)
openButton = QPushButton("打开", clicked=self.open)
controls = PlayerControls()
controls.setState(self.player.state())
controls.setVolume(self.player.volume())
controls.setMuted(controls.isMuted())
controls.play.connect(self.player.play)
controls.pause.connect(self.player.pause)
controls.stop.connect(self.player.stop)
controls.next.connect(self.playlist.next)
controls.previous.connect(self.previousClicked)
controls.changeVolume.connect(self.player.setVolume)
controls.changeMuting.connect(self.player.setMuted)
controls.changeRate.connect(self.player.setPlaybackRate)
controls.stop.connect(self.videoWidget.update)
self.player.stateChanged.connect(controls.setState)
self.player.volumeChanged.connect(controls.setVolume)
self.player.mutedChanged.connect(controls.setMuted)
self.fullScreenButton = QPushButton("全屏")
self.fullScreenButton.setCheckable(True)
self.colorButton = QPushButton("颜色选项")
self.colorButton.setEnabled(False)
self.colorButton.clicked.connect(self.showColorDialog)
displayLayout = QHBoxLayout()
displayLayout.addWidget(self.videoWidget, 2)
displayLayout.addWidget(self.playlistView)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addStretch(1)
controlLayout.addWidget(controls)
controlLayout.addStretch(1)
controlLayout.addWidget(self.fullScreenButton)
controlLayout.addWidget(self.colorButton)
layout = QVBoxLayout()
layout.addLayout(displayLayout)
hLayout = QHBoxLayout()
hLayout.addWidget(self.slider)
hLayout.addWidget(self.labelDuration)
layout.addLayout(hLayout)
layout.addLayout(controlLayout)
# layout.addLayout(histogramLayout)
self.setLayout(layout)
if not self.player.isAvailable():
QMessageBox.warning(
self, "Service not available",
"The QMediaPlayer object does not have a valid service.\n"
"Please check the media service plugins are installed.")
controls.setEnabled(False)
self.playlistView.setEnabled(False)
openButton.setEnabled(False)
self.colorButton.setEnabled(False)
self.fullScreenButton.setEnabled(False)
self.metaDataChanged()
self.addToPlaylist(playlist)
def open(self):
fileNames, _ = QFileDialog.getOpenFileNames(self, "Open Files")
self.addToPlaylist(fileNames)
def addToPlaylist(self, fileNames):
for name in fileNames:
fileInfo = QFileInfo(name)
if fileInfo.exists():
url = QUrl.fromLocalFile(fileInfo.absoluteFilePath())
if fileInfo.suffix().lower() == 'm3u':
self.playlist.load(url)
else:
self.playlist.addMedia(QMediaContent(url))
else:
url = QUrl(name)
if url.isValid():
self.playlist.addMedia(QMediaContent(url))
def durationChanged(self, duration):
duration /= 1000
self.duration = duration
self.slider.setMaximum(duration)
def positionChanged(self, progress):
progress /= 1000
if not self.slider.isSliderDown():
self.slider.setValue(progress)
self.updateDurationInfo(progress)
def metaDataChanged(self):
if self.player.isMetaDataAvailable():
self.setTrackInfo(
"%s - %s" % (self.player.metaData(QMediaMetaData.AlbumArtist),
self.player.metaData(QMediaMetaData.Title)))
def previousClicked(self):
# Go to the previous track if we are within the first 5 seconds of
# playback. Otherwise, seek to the beginning.
if self.player.position() <= 5000:
self.playlist.previous()
else:
self.player.setPosition(0)
def jump(self, index):
if index.isValid():
self.playlist.setCurrentIndex(index.row())
self.player.play()
def playlistPositionChanged(self, position):
self.playlistView.setCurrentIndex(self.playlistModel.index(
position, 0))
def seek(self, seconds):
self.player.setPosition(seconds * 1000)
def statusChanged(self, status):
self.handleCursor(status)
if status == QMediaPlayer.LoadingMedia:
self.setStatusInfo("Loading...")
elif status == QMediaPlayer.StalledMedia:
self.setStatusInfo("Media Stalled")
elif status == QMediaPlayer.EndOfMedia:
QApplication.alert(self)
elif status == QMediaPlayer.InvalidMedia:
self.displayErrorMessage()
else:
self.setStatusInfo("")
def handleCursor(self, status):
if status in (QMediaPlayer.LoadingMedia, QMediaPlayer.BufferingMedia,
QMediaPlayer.StalledMedia):
self.setCursor(Qt.BusyCursor)
else:
self.unsetCursor()
def bufferingProgress(self, progress):
self.setStatusInfo("Buffering %d%" % progress)
def videoAvailableChanged(self, available):
if available:
self.fullScreenButton.clicked.connect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.connect(
self.fullScreenButton.setChecked)
if self.fullScreenButton.isChecked():
self.videoWidget.setFullScreen(True)
else:
self.fullScreenButton.clicked.disconnect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.disconnect(
self.fullScreenButton.setChecked)
self.videoWidget.setFullScreen(False)
self.colorButton.setEnabled(available)
def setTrackInfo(self, info):
self.trackInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def setStatusInfo(self, info):
self.statusInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def displayErrorMessage(self):
self.setStatusInfo(self.player.errorString())
def updateDurationInfo(self, currentInfo):
duration = self.duration
if currentInfo or duration:
currentTime = QTime((currentInfo / 3600) % 60,
(currentInfo / 60) % 60, currentInfo % 60,
(currentInfo * 1000) % 1000)
totalTime = QTime((duration / 3600) % 60, (duration / 60) % 60,
duration % 60, (duration * 1000) % 1000)
format = 'hh:mm:ss' if duration > 3600 else 'mm:ss'
tStr = currentTime.toString(format) + " / " + totalTime.toString(
format)
else:
tStr = ""
self.labelDuration.setText(tStr)
def showColorDialog(self):
if self.colorDialog is None:
brightnessSlider = QSlider(Qt.Horizontal)
brightnessSlider.setRange(-100, 100)
brightnessSlider.setValue(self.videoWidget.brightness())
brightnessSlider.sliderMoved.connect(
self.videoWidget.setBrightness)
self.videoWidget.brightnessChanged.connect(
brightnessSlider.setValue)
contrastSlider = QSlider(Qt.Horizontal)
contrastSlider.setRange(-100, 100)
contrastSlider.setValue(self.videoWidget.contrast())
contrastSlider.sliderMoved.connect(self.videoWidget.setContrast)
self.videoWidget.contrastChanged.connect(contrastSlider.setValue)
hueSlider = QSlider(Qt.Horizontal)
hueSlider.setRange(-100, 100)
hueSlider.setValue(self.videoWidget.hue())
hueSlider.sliderMoved.connect(self.videoWidget.setHue)
self.videoWidget.hueChanged.connect(hueSlider.setValue)
saturationSlider = QSlider(Qt.Horizontal)
saturationSlider.setRange(-100, 100)
saturationSlider.setValue(self.videoWidget.saturation())
saturationSlider.sliderMoved.connect(
self.videoWidget.setSaturation)
self.videoWidget.saturationChanged.connect(
saturationSlider.setValue)
layout = QFormLayout()
layout.addRow("亮度", brightnessSlider)
layout.addRow("对比度", contrastSlider)
layout.addRow("色调", hueSlider)
layout.addRow("饱和度", saturationSlider)
button = QPushButton("关闭")
layout.addRow(button)
self.colorDialog = QDialog(self)
self.colorDialog.setWindowTitle("颜色选项")
self.colorDialog.setLayout(layout)
button.clicked.connect(self.colorDialog.close)
self.colorDialog.show()
class WebinterfaceService(QObject):
cameraChanged = pyqtSignal(QObject)
def __init__(self, parent=None):
super().__init__(parent)
self._camera = None
self._converter = None
self._latestImage = None
self.app = Quart(__name__)
self.app.add_url_rule('/camera.mjpeg', 'camerastream',
self.getCameraStream)
loop = asyncio.get_event_loop()
create_server = loop.create_server(
lambda: Server(self.app, loop, logger,
"%(h)s %(r)s %(s)s %(b)s %(D)s", 5),
'0.0.0.0',
'9000',
ssl=None,
)
server = loop.create_task(create_server)
@pyqtProperty(QObject, notify=cameraChanged)
def camera(self):
return self._hostname
@camera.setter
def camera(self, camera):
self._camera = camera
print("camera is now", self._camera)
print("dir", dir(self._camera))
print("media", self._camera.property("mediaObject"))
self.cameraChanged.emit(self._camera)
self.start()
def start(self):
self._tasks = AioJoinableQueue(maxsize=1)
self._results = AioQueue()
self._exit = AioEvent()
self._converter = ConverterWorker(self._tasks, self._results,
self._exit)
self._converter.start()
camera = self._camera.property("mediaObject")
self._probe = QVideoProbe(self)
self._probe.setSource(camera)
self._probe.videoFrameProbed.connect(self.handleFrame)
def handleFrame(self, frame):
if not self._tasks.full():
asyncio.ensure_future(self._handleFrame(frame))
async def _handleFrame(self, frame):
frame.map(QAbstractVideoBuffer.ReadOnly)
ptr = frame.bits()
ptr.setsize(frame.mappedBytes())
assert frame.pixelFormat() == QVideoFrame.Format_YUV420P
w = frame.width()
h = frame.height()
w2 = w // 2
h2 = h // 2
s = w * h
s2 = w2 * h2
y = np.frombuffer(ptr, dtype=np.ubyte, count=s, offset=0)
u = np.frombuffer(ptr, dtype=np.ubyte, count=s2, offset=s)
v = np.frombuffer(ptr, dtype=np.ubyte, count=s2, offset=s + s2)
frame.unmap()
await self._tasks.coro_put((y, u, v, h, w, h2, w2))
self._latestImage = await self._results.coro_get()
async def getCameraStream(self):
async def camera_generator():
while True:
if self._latestImage:
yield (b'--frame\r\n'
b'Content-Type: image/jpeg\r\n\r\n' +
self._latestImage + b'\r\n')
await asyncio.sleep(0.1)
return Response(camera_generator(),
mimetype='multipart/x-mixed-replace; boundary=frame')
class MainWindow(QMainWindow, Ui_MainWindow):
def __init__(self, *args, **kwargs):
super(MainWindow, self).__init__(*args, **kwargs)
self.setupUi(self)
self.threadpool = QThreadPool()
print('Multithreading with maximum %d threads' %
self.threadpool.maxThreadCount())
self.player = QMediaPlayer()
# Setup the playlist.
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
# Setup the player
self.player.durationChanged.connect(self.update_duration)
self.player.positionChanged.connect(self.update_position)
self.playlist.currentIndexChanged.connect(
self.playlist_position_changed)
self.player.error.connect(self.erroralert)
self.videoWidget = QVideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.model = PlaylistModel(self.playlist)
self.playListView.setModel(self.model)
selection_model = self.playListView.selectionModel()
selection_model.selectionChanged.connect(
self.playlist_selection_changed)
self.currentFrame = QVideoFrame()
# Connect control buttons/slides for media player.
self.playButton.pressed.connect(self.player.play)
self.pauseButton.pressed.connect(self.player.pause)
self.stopButton.pressed.connect(self.player.stop)
layout = QVBoxLayout()
layout.addWidget(self.videoWidget)
self.viewWidget.setLayout(layout)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.on_videoFrameProbed)
self.probe.setSource(self.player)
self.timeSlider.valueChanged.connect(self.player.setPosition)
self.open_file_action.triggered.connect(self.open_file)
# button for save current frame
self.saveButton.pressed.connect(self.save_frame)
self.setAcceptDrops(True)
self.show()
def on_videoFrameProbed(self, frame):
self.frame = frame
def save_frame(self):
worker = Worker(self.frame)
self.threadpool.start(worker)
def dragEnterEvent(self, e):
if e.mimeData().hasUrls():
e.acceptProposedAction()
def dropEvent(self, e):
for url in e.mimeData().urls():
self.playlist.addMedia(QMediaContent(url))
self.model.layoutChanged.emit()
# If not playing, seeking to first of newly added + play.
if self.player.state() != QMediaPlayer.PlayingState:
i = self.playlist.mediaCount() - len(e.mimeData().urls())
self.playlist.setCurrentIndex(i)
self.player.play()
def open_file(self):
path, _ = QFileDialog.getOpenFileName(
self, "Open file", "",
"mp3 Audio (*.mp3);mp4 Video (*.mp4);Movie files (*.mov);All files (*.*)"
)
if path:
self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(path)))
self.model.layoutChanged.emit()
def update_duration(self, duration):
print("!", duration)
print("?", self.player.duration())
self.timeSlider.setMaximum(duration)
if duration >= 0:
self.totalTimeLabel.setText(hhmmss(duration))
def update_position(self, position):
if position >= 0:
self.currentTimeLabel.setText(hhmmss(position))
# Disable the events to prevent updating triggering a setPosition event (can cause stuttering).
self.timeSlider.blockSignals(True)
self.timeSlider.setValue(position)
self.timeSlider.blockSignals(False)
def playlist_selection_changed(self, ix):
# We receive a QItemSelection from selectionChanged.
i = ix.indexes()[0].row()
self.playlist.setCurrentIndex(i)
def playlist_position_changed(self, i):
if i > -1:
ix = self.model.index(i)
self.playListView.setCurrentIndex(ix)
# self.playlistView.setCurrentIndex(ix)
def erroralert(self, *args):
print(args)
def __init__(self, playlist, parent=None):
super(Player, self).__init__(parent)
self.colorDialog = None
self.trackInfo = ""
self.statusInfo = ""
self.duration = 0
self.player = QMediaPlayer()
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
self.player.durationChanged.connect(self.durationChanged)
self.player.positionChanged.connect(self.positionChanged)
self.player.metaDataChanged.connect(self.metaDataChanged)
self.playlist.currentIndexChanged.connect(self.playlistPositionChanged)
self.player.mediaStatusChanged.connect(self.statusChanged)
self.player.bufferStatusChanged.connect(self.bufferingProgress)
self.player.videoAvailableChanged.connect(self.videoAvailableChanged)
self.player.error.connect(self.displayErrorMessage)
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.playlistModel = PlaylistModel()
self.playlistModel.setPlaylist(self.playlist)
self.playlistView = QListView()
self.playlistView.setModel(self.playlistModel)
self.playlistView.setCurrentIndex(
self.playlistModel.index(self.playlist.currentIndex(), 0))
self.playlistView.activated.connect(self.jump)
self.script_box = QPlainTextEdit()
self.segmentList = QTreeWidget()
self.segmentList.setSortingEnabled(True)
#self.segmentList.setColumnCount(5)
self.segmentList.setColumnCount(4)
#self.segmentList.setHeaderLabels(['Product','Start','Label','Tool','Behavior'])
self.segmentList.setHeaderLabels(['Start segment', 'End segment', 'Label', 'Event'])
'''
self.productTextInput = QLineEdit()
self.startTextInput = QLineEdit()
self.labelTextInput = QLineEdit()
self.toolTextInput = QLineEdit()
self.behaviorTextInput = QLineEdit()
'''
self.startTextInput = QLineEdit()
self.endTextInput = QLineEdit()
self.labelTextInput = QLineEdit()
self.contentTextInput = QLineEdit()
self.addBtn = QPushButton("Add")
self.addBtn.clicked.connect(self.addSegment)
self.saveBtn = QPushButton("Save")
self.saveBtn.clicked.connect(self.saveSegments)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.player.duration() / 1000)
self.labelDuration = QLabel()
self.slider.sliderMoved.connect(self.seek)
self.labelHistogram = QLabel()
self.labelHistogram.setText("Histogram:")
self.histogram = HistogramWidget()
histogramLayout = QHBoxLayout()
histogramLayout.addWidget(self.labelHistogram)
histogramLayout.addWidget(self.histogram, 1)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.histogram.processFrame)
self.probe.setSource(self.player)
openButton = QPushButton("Open", clicked=self.open)
if os.path.isdir(VIDEO_DIR):
self.open_folder(VIDEO_DIR)
controls = PlayerControls()
controls.setState(self.player.state())
controls.setVolume(self.player.volume())
controls.setMuted(controls.isMuted())
controls.play.connect(self.player.play)
controls.pause.connect(self.player.pause)
controls.stop.connect(self.player.stop)
controls.next.connect(self.playlist.next)
controls.previous.connect(self.previousClicked)
controls.changeVolume.connect(self.player.setVolume)
controls.changeMuting.connect(self.player.setMuted)
controls.changeRate.connect(self.player.setPlaybackRate)
controls.stop.connect(self.videoWidget.update)
self.player.stateChanged.connect(controls.setState)
self.player.volumeChanged.connect(controls.setVolume)
self.player.mutedChanged.connect(controls.setMuted)
#self.segmentButton = QPushButton("Segment")
#self.segmentButton.clicked.connect(self.createNewSegment)
self.startSegmentButton = QPushButton("Start Segment")
self.startSegmentButton.clicked.connect(self.createNewStartSegment)
# self.segmentButton.setCheckable(True)
self.endSegmentButton = QPushButton("End Segment")
self.endSegmentButton.clicked.connect(self.createNewEndSegment)
#self.fullScreenButton = QPushButton("FullScreen")
#self.fullScreenButton.setCheckable(True)
self.colorButton = QPushButton("Color Options...")
self.colorButton.setEnabled(False)
self.colorButton.clicked.connect(self.showColorDialog)
displayLayout = QHBoxLayout()
# videoLayout = QVBoxLayout()
# videoLayout.addWidget(self.videoWidget)
# videoLayout.addWidget(self.script_box)
displayLayout.addWidget(self.videoWidget, 3)
editLayout = QVBoxLayout()
editLayout.addWidget(self.playlistView, 2)
#editLayout.addWidget(self.script_box, 4)
editLayout.addWidget(self.segmentList, 3)
segmentInputLayout = QHBoxLayout()
'''
segmentInputLayout.addWidget(self.productTextInput)
segmentInputLayout.addWidget(self.startTextInput)
segmentInputLayout.addWidget(self.labelTextInput)
segmentInputLayout.addWidget(self.toolTextInput)
segmentInputLayout.addWidget(self.behaviorTextInput)
'''
segmentInputLayout.addWidget(self.startTextInput)
segmentInputLayout.addWidget(self.endTextInput)
segmentInputLayout.addWidget(self.labelTextInput)
segmentInputLayout.addWidget(self.contentTextInput)
editLayout.addLayout(segmentInputLayout,1)
displayLayout.addLayout(editLayout, 2)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addStretch(1)
controlLayout.addWidget(controls)
controlLayout.addStretch(1)
#controlLayout.addWidget(self.segmentButton)
controlLayout.addWidget(self.startSegmentButton)
controlLayout.addWidget(self.endSegmentButton)
controlLayout.addWidget(self.addBtn)
controlLayout.addWidget(self.saveBtn)
#controlLayout.addWidget(self.fullScreenButton)
# controlLayout.addWidget(self.colorButton)
layout = QVBoxLayout()
layout.addLayout(displayLayout, 2)
hLayout = QHBoxLayout()
hLayout.addWidget(self.slider)
hLayout.addWidget(self.labelDuration)
layout.addLayout(hLayout)
layout.addLayout(controlLayout)
# layout.addLayout(histogramLayout)
self.setLayout(layout)
if not self.player.isAvailable():
QMessageBox.warning(self, "Service not available",
"The QMediaPlayer object does not have a valid service.\n"
"Please check the media service plugins are installed.")
controls.setEnabled(False)
self.playlistView.setEnabled(False)
openButton.setEnabled(False)
self.colorButton.setEnabled(False)
#self.fullScreenButton.setEnabled(False)
self.metaDataChanged()
self.addToPlaylist(playlist)
class Player(QWidget):
fullScreenChanged = pyqtSignal(bool)
def __init__(self, playlist, parent=None):
super(Player, self).__init__(parent)
self.colorDialog = None
self.trackInfo = ""
self.statusInfo = ""
self.duration = 0
self.player = QMediaPlayer()
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
self.player.durationChanged.connect(self.durationChanged)
self.player.positionChanged.connect(self.positionChanged)
self.player.metaDataChanged.connect(self.metaDataChanged)
self.playlist.currentIndexChanged.connect(self.playlistPositionChanged)
self.player.mediaStatusChanged.connect(self.statusChanged)
self.player.bufferStatusChanged.connect(self.bufferingProgress)
self.player.videoAvailableChanged.connect(self.videoAvailableChanged)
self.player.error.connect(self.displayErrorMessage)
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.playlistModel = PlaylistModel()
self.playlistModel.setPlaylist(self.playlist)
self.playlistView = QListView()
self.playlistView.setModel(self.playlistModel)
self.playlistView.setCurrentIndex(
self.playlistModel.index(self.playlist.currentIndex(), 0))
self.playlistView.activated.connect(self.jump)
self.script_box = QPlainTextEdit()
self.segmentList = QTreeWidget()
self.segmentList.setSortingEnabled(True)
#self.segmentList.setColumnCount(5)
self.segmentList.setColumnCount(4)
#self.segmentList.setHeaderLabels(['Product','Start','Label','Tool','Behavior'])
self.segmentList.setHeaderLabels(['Start segment', 'End segment', 'Label', 'Event'])
'''
self.productTextInput = QLineEdit()
self.startTextInput = QLineEdit()
self.labelTextInput = QLineEdit()
self.toolTextInput = QLineEdit()
self.behaviorTextInput = QLineEdit()
'''
self.startTextInput = QLineEdit()
self.endTextInput = QLineEdit()
self.labelTextInput = QLineEdit()
self.contentTextInput = QLineEdit()
self.addBtn = QPushButton("Add")
self.addBtn.clicked.connect(self.addSegment)
self.saveBtn = QPushButton("Save")
self.saveBtn.clicked.connect(self.saveSegments)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.player.duration() / 1000)
self.labelDuration = QLabel()
self.slider.sliderMoved.connect(self.seek)
self.labelHistogram = QLabel()
self.labelHistogram.setText("Histogram:")
self.histogram = HistogramWidget()
histogramLayout = QHBoxLayout()
histogramLayout.addWidget(self.labelHistogram)
histogramLayout.addWidget(self.histogram, 1)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.histogram.processFrame)
self.probe.setSource(self.player)
openButton = QPushButton("Open", clicked=self.open)
if os.path.isdir(VIDEO_DIR):
self.open_folder(VIDEO_DIR)
controls = PlayerControls()
controls.setState(self.player.state())
controls.setVolume(self.player.volume())
controls.setMuted(controls.isMuted())
controls.play.connect(self.player.play)
controls.pause.connect(self.player.pause)
controls.stop.connect(self.player.stop)
controls.next.connect(self.playlist.next)
controls.previous.connect(self.previousClicked)
controls.changeVolume.connect(self.player.setVolume)
controls.changeMuting.connect(self.player.setMuted)
controls.changeRate.connect(self.player.setPlaybackRate)
controls.stop.connect(self.videoWidget.update)
self.player.stateChanged.connect(controls.setState)
self.player.volumeChanged.connect(controls.setVolume)
self.player.mutedChanged.connect(controls.setMuted)
#self.segmentButton = QPushButton("Segment")
#self.segmentButton.clicked.connect(self.createNewSegment)
self.startSegmentButton = QPushButton("Start Segment")
self.startSegmentButton.clicked.connect(self.createNewStartSegment)
# self.segmentButton.setCheckable(True)
self.endSegmentButton = QPushButton("End Segment")
self.endSegmentButton.clicked.connect(self.createNewEndSegment)
#self.fullScreenButton = QPushButton("FullScreen")
#self.fullScreenButton.setCheckable(True)
self.colorButton = QPushButton("Color Options...")
self.colorButton.setEnabled(False)
self.colorButton.clicked.connect(self.showColorDialog)
displayLayout = QHBoxLayout()
# videoLayout = QVBoxLayout()
# videoLayout.addWidget(self.videoWidget)
# videoLayout.addWidget(self.script_box)
displayLayout.addWidget(self.videoWidget, 3)
editLayout = QVBoxLayout()
editLayout.addWidget(self.playlistView, 2)
#editLayout.addWidget(self.script_box, 4)
editLayout.addWidget(self.segmentList, 3)
segmentInputLayout = QHBoxLayout()
'''
segmentInputLayout.addWidget(self.productTextInput)
segmentInputLayout.addWidget(self.startTextInput)
segmentInputLayout.addWidget(self.labelTextInput)
segmentInputLayout.addWidget(self.toolTextInput)
segmentInputLayout.addWidget(self.behaviorTextInput)
'''
segmentInputLayout.addWidget(self.startTextInput)
segmentInputLayout.addWidget(self.endTextInput)
segmentInputLayout.addWidget(self.labelTextInput)
segmentInputLayout.addWidget(self.contentTextInput)
editLayout.addLayout(segmentInputLayout,1)
displayLayout.addLayout(editLayout, 2)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addStretch(1)
controlLayout.addWidget(controls)
controlLayout.addStretch(1)
#controlLayout.addWidget(self.segmentButton)
controlLayout.addWidget(self.startSegmentButton)
controlLayout.addWidget(self.endSegmentButton)
controlLayout.addWidget(self.addBtn)
controlLayout.addWidget(self.saveBtn)
#controlLayout.addWidget(self.fullScreenButton)
# controlLayout.addWidget(self.colorButton)
layout = QVBoxLayout()
layout.addLayout(displayLayout, 2)
hLayout = QHBoxLayout()
hLayout.addWidget(self.slider)
hLayout.addWidget(self.labelDuration)
layout.addLayout(hLayout)
layout.addLayout(controlLayout)
# layout.addLayout(histogramLayout)
self.setLayout(layout)
if not self.player.isAvailable():
QMessageBox.warning(self, "Service not available",
"The QMediaPlayer object does not have a valid service.\n"
"Please check the media service plugins are installed.")
controls.setEnabled(False)
self.playlistView.setEnabled(False)
openButton.setEnabled(False)
self.colorButton.setEnabled(False)
#self.fullScreenButton.setEnabled(False)
self.metaDataChanged()
self.addToPlaylist(playlist)
def open(self):
fileNames, _ = QFileDialog.getOpenFileNames(self, "Open Files")
self.addToPlaylist(fileNames)
def open_folder(self, folder_path):
fileNames = [folder_path+x for x in os.listdir(folder_path) if x.endswith('.mp4')]
self.addToPlaylist(fileNames)
def addToPlaylist(self, fileNames):
for name in fileNames:
fileInfo = QFileInfo(name)
if fileInfo.exists():
url = QUrl.fromLocalFile(fileInfo.absoluteFilePath())
if fileInfo.suffix().lower() == 'm3u':
self.playlist.load(url)
else:
self.playlist.addMedia(QMediaContent(url))
else:
url = QUrl(name)
if url.isValid():
self.playlist.addMedia(QMediaContent(url))
def addSegment(self):
item = TreeWidgetItem(self.segmentList)
'''
item.setText(0, self.productTextInput.text())
item.setText(1, self.startTextInput.text())
item.setText(2, self.labelTextInput.text())
item.setText(3, self.toolTextInput.text())
item.setText(4, self.behaviorTextInput.text())
'''
item.setText(0, self.startTextInput.text())
item.setText(1, self.endTextInput.text())
item.setText(2, self.labelTextInput.text())
item.setText(3, self.contentTextInput.text())
item.setFlags(item.flags() | Qt.ItemIsEditable)
self.segmentList.addTopLevelItem(item)
self.segmentList.sortByColumn(0, Qt.AscendingOrder)
self.clear_input_boxes()
self.player.play()
def saveSegments(self):
itemCnt = self.segmentList.topLevelItemCount()
colCnt = self.segmentList.columnCount()
save_dict = {'segments':[]}
for i in range(itemCnt):
item = self.segmentList.topLevelItem(i)
temp_data = []
for j in range(colCnt):
temp_data.append(item.text(j))
#temp_dict = {'product': temp_data[0], 'start': temp_data[1], 'label': temp_data[2], 'tool': temp_data[3], 'behavior': temp_data[4]}
if len(temp_data[0]) > 0 and len(temp_data[1]) > 0 and (':' in temp_data[0]) and (':' in temp_data[1]):
start_interval_seconds = 0
j = 0
while j < len(temp_data[0].split(':')):
start_interval_seconds += (int(temp_data[0].split(':')[- 1 - j]) * (60 ** j))
j += 1
end_interval_seconds = 0
j = 0
while j < len(temp_data[1].split(':')):
end_interval_seconds += (int(temp_data[1].split(':')[- 1 - j]) * (60 ** j))
j += 1
else:
start_interval_seconds = ''
end_interval_seconds = ''
temp_dict = {'start_segment': start_interval_seconds, 'end_segment': end_interval_seconds, 'label': temp_data[2], 'event': temp_data[3]}
save_dict['segments'].append(temp_dict)
import json
file_name = self.playlist.currentMedia().canonicalUrl().fileName()
with open(SEGMENT_DIR+file_name.replace('.mp4','.json'),'w') as file:
json.dump(save_dict, file)
def durationChanged(self, duration):
duration /= 1000
self.duration = duration
self.slider.setMaximum(duration)
def positionChanged(self, progress):
progress /= 1000
if not self.slider.isSliderDown():
self.slider.setValue(progress)
self.updateDurationInfo(progress)
def metaDataChanged(self):
if self.player.isMetaDataAvailable():
self.setTrackInfo("%s - %s" % (
self.player.metaData(QMediaMetaData.AlbumArtist),
self.player.metaData(QMediaMetaData.Title)))
def previousClicked(self):
# Go to the previous track if we are within the first 5 seconds of
# playback. Otherwise, seek to the beginning.
if self.player.position() <= 5000:
self.playlist.previous()
else:
self.player.setPosition(0)
def clear_input_boxes(self):
'''
self.productTextInput.clear()
self.startTextInput.clear()
self.labelTextInput.clear()
self.toolTextInput.clear()
self.behaviorTextInput.clear()
'''
self.startTextInput.clear()
self.endTextInput.clear()
self.labelTextInput.clear()
self.contentTextInput.clear()
def jump(self, index):
if index.isValid():
self.playlist.setCurrentIndex(index.row())
self.player.play()
file_name = self.playlist.currentMedia().canonicalUrl().fileName()
'''
script_file_name = file_name.replace('.mp4','.txt')
if os.path.isfile(SCRIPT_DIR+script_file_name):
text=open(SCRIPT_DIR+script_file_name).read()
self.script_box.setPlainText(text)
'''
segment_file_path = SEGMENT_DIR + file_name.replace('.mp4','.json')
json_dict = self.open_json(segment_file_path)
self.clear_input_boxes()
self.segmentList.clear()
for segment in json_dict["segments"]:
item = TreeWidgetItem(self.segmentList)
'''
item.setText(0, segment['product'])
item.setText(1, str(segment['start']))
item.setText(2, segment['label'])
item.setText(3, segment['tool'])
item.setText(4, segment['behavior'])
'''
item.setText(0, segment['start_segment'])
item.setText(1, segment['end_segment'])
item.setText(2, segment['label'])
item.setText(3, segment['content'])
item.setFlags(item.flags() | Qt.ItemIsEditable)
self.segmentList.addTopLevelItem(item)
# print([str(x.text()) for x in self.segmentList.currentItem()])
def open_json(self, file_path):
import json
try:
with open(file_path, 'r') as file:
json_dict = json.loads(file.read())
except:
json_dict = {"segments":[]}
# json_dict = {"segments":[{"product":"Sorry","start":"File not found.","label":"","tool":"","behavior":""}]}
return json_dict
def playlistPositionChanged(self, position):
self.playlistView.setCurrentIndex(
self.playlistModel.index(position, 0))
def seek(self, seconds):
self.player.setPosition(seconds * 1000)
def statusChanged(self, status):
self.handleCursor(status)
if status == QMediaPlayer.LoadingMedia:
self.setStatusInfo("Loading...")
elif status == QMediaPlayer.StalledMedia:
self.setStatusInfo("Media Stalled")
elif status == QMediaPlayer.EndOfMedia:
QApplication.alert(self)
elif status == QMediaPlayer.InvalidMedia:
self.displayErrorMessage()
else:
self.setStatusInfo("")
def handleCursor(self, status):
if status in (QMediaPlayer.LoadingMedia, QMediaPlayer.BufferingMedia, QMediaPlayer.StalledMedia):
self.setCursor(Qt.BusyCursor)
else:
self.unsetCursor()
def bufferingProgress(self, progress):
self.setStatusInfo("Buffering %d%" % progress)
def videoAvailableChanged(self, available):
'''
if available:
self.fullScreenButton.clicked.connect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.connect(
self.fullScreenButton.setChecked)
if self.fullScreenButton.isChecked():
self.videoWidget.setFullScreen(True)
else:
self.fullScreenButton.clicked.disconnect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.disconnect(
self.fullScreenButton.setChecked)
self.videoWidget.setFullScreen(False)
'''
self.colorButton.setEnabled(available)
def setTrackInfo(self, info):
self.trackInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def setStatusInfo(self, info):
self.statusInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def displayErrorMessage(self):
self.setStatusInfo(self.player.errorString())
def updateDurationInfo(self, currentInfo):
duration = self.duration
if currentInfo or duration:
currentTime = QTime((currentInfo/3600)%60, (currentInfo/60)%60,
currentInfo%60, (currentInfo*1000)%1000)
totalTime = QTime((duration/3600)%60, (duration/60)%60,
duration%60, (duration*1000)%1000);
format = 'hh:mm:ss' if duration > 3600 else 'mm:ss'
tStr = currentTime.toString(format) + " / " + totalTime.toString(format)
else:
tStr = ""
self.labelDuration.setText(tStr)
'''
def createNewSegment(self):
self.startTextInput.setText(str(int(self.player.position()/1000)))
'''
def createNewStartSegment(self):
seconds = int(self.player.position()/1000)
self.startTextInput.setText("{:02d}".format(math.floor(seconds / 3600)) + ':' + "{:02d}".format(
math.floor((seconds / 60)) - math.floor(seconds / 3600) * 60) + ':' + "{:02d}".format(seconds % 60))
def createNewEndSegment(self):
seconds = int(self.player.position() / 1000)
self.endTextInput.setText("{:02d}".format(math.floor(seconds / 3600)) + ':' + "{:02d}".format(
math.floor((seconds / 60)) - math.floor(seconds / 3600) * 60) + ':' + "{:02d}".format(seconds % 60))
self.player.pause()
def showColorDialog(self):
if self.colorDialog is None:
brightnessSlider = QSlider(Qt.Horizontal)
brightnessSlider.setRange(-100, 100)
brightnessSlider.setValue(self.videoWidget.brightness())
brightnessSlider.sliderMoved.connect(
self.videoWidget.setBrightness)
self.videoWidget.brightnessChanged.connect(
brightnessSlider.setValue)
contrastSlider = QSlider(Qt.Horizontal)
contrastSlider.setRange(-100, 100)
contrastSlider.setValue(self.videoWidget.contrast())
contrastSlider.sliderMoved.connect(self.videoWidget.setContrast)
self.videoWidget.contrastChanged.connect(contrastSlider.setValue)
hueSlider = QSlider(Qt.Horizontal)
hueSlider.setRange(-100, 100)
hueSlider.setValue(self.videoWidget.hue())
hueSlider.sliderMoved.connect(self.videoWidget.setHue)
self.videoWidget.hueChanged.connect(hueSlider.setValue)
saturationSlider = QSlider(Qt.Horizontal)
saturationSlider.setRange(-100, 100)
saturationSlider.setValue(self.videoWidget.saturation())
saturationSlider.sliderMoved.connect(
self.videoWidget.setSaturation)
self.videoWidget.saturationChanged.connect(
saturationSlider.setValue)
layout = QFormLayout()
layout.addRow("Brightness", brightnessSlider)
layout.addRow("Contrast", contrastSlider)
layout.addRow("Hue", hueSlider)
layout.addRow("Saturation", saturationSlider)
button = QPushButton("Close")
layout.addRow(button)
self.colorDialog = QDialog(self)
self.colorDialog.setWindowTitle("Color Options")
self.colorDialog.setLayout(layout)
button.clicked.connect(self.colorDialog.close)
self.colorDialog.show()
class Player(QWidget):
fullScreenChanged = pyqtSignal(bool)
videoWidget = None
colorDialog = None
videoWidget = None
trackInfo = ""
statusInfo = ""
duration = 0
def __init__(self, playlist, parent=None):
"""
:param playlist:
:param parent:
"""
super(Player, self).__init__(parent)
self._init_audio_player()
self._init_video_player()
self._init_addtional_controls()
control_layout, controls, open_button = self._init_player_controls_layout(
)
self._init_playlist_view()
self._init_layout(control_layout=control_layout)
self.check_for_player_service(controls=controls,
open_button=open_button)
self.meta_data_changed()
self.add_to_playlist(playlist)
def check_for_player_service(self, controls, open_button):
"""
:param controls:
:param open_button:
:return:
"""
if not self.player.isAvailable():
QMessageBox.warning(
self, "Service not available",
"The QMediaPlayer object does not have a valid service.\n"
"Please check the media service plugins are installed.")
controls.setEnabled(False)
self.playlistView.setEnabled(False)
open_button.setEnabled(False)
self.colorButton.setEnabled(False)
self.fullScreenButton.setEnabled(False)
def _init_layout(self, control_layout):
"""
:param control_layout:
:return:
"""
display_layout = QHBoxLayout()
if self.videoWidget:
display_layout.addWidget(self.videoWidget, 2)
if self.playlistView:
display_layout.addWidget(self.playlistView)
layout = QVBoxLayout()
layout.addLayout(display_layout)
if self.slider or self.labelDuration:
h_layout = QHBoxLayout()
if self.slider:
h_layout.addWidget(self.slider)
if self.labelDuration:
h_layout.addWidget(self.labelDuration)
layout.addLayout(h_layout)
if control_layout:
layout.addLayout(control_layout)
layout.addLayout(self._get_histogram_layout())
self.setLayout(layout)
def _init_playlist_view(self):
"""
:return:
"""
self.playlistView = QListView()
self.playlistView.setModel(self.playlistModel)
self.playlistView.setCurrentIndex(
self.playlistModel.index(self.playlist.currentIndex(), 0))
self.playlistView.activated.connect(self.jump)
def _init_addtional_controls(self):
"""
:return:
"""
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.player.duration() / 1000)
self.labelDuration = QLabel()
self.slider.sliderMoved.connect(self.seek)
self.fullScreenButton = QPushButton("FullScreen")
self.fullScreenButton.setCheckable(True)
self.colorButton = QPushButton("Color Options...")
self.colorButton.setEnabled(False)
self.colorButton.clicked.connect(self.show_color_dialog)
def _init_player_controls_layout(self):
"""
:return:
"""
openButton = QPushButton("Open", clicked=self.open)
controls = PlayerControls()
controls.set_state(self.player.state())
controls.set_volume(self.player.volume())
controls.set_muted(controls.is_muted())
controls.play.connect(self.player.play)
controls.pause.connect(self.player.pause)
controls.stop.connect(self.player.stop)
controls.next.connect(self.playlist.next)
controls.previous.connect(self.previous_clicked)
controls.changeVolume.connect(self.player.setVolume)
controls.changeMuting.connect(self.player.setMuted)
controls.changeRate.connect(self.player.setPlaybackRate)
if self.videoWidget:
controls.stop.connect(self.videoWidget.update)
self.player.stateChanged.connect(controls.set_state)
self.player.volumeChanged.connect(controls.set_volume)
self.player.mutedChanged.connect(controls.set_muted)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addStretch(1)
controlLayout.addWidget(controls)
controlLayout.addStretch(1)
if self.fullScreenButton:
controlLayout.addWidget(self.fullScreenButton)
if self.colorButton:
controlLayout.addWidget(self.colorButton)
return controlLayout, controls, openButton
def _init_audio_player(self):
"""
:return:
"""
self.playlist = QMediaPlaylist()
self.player = QMediaPlayer()
self.player.setPlaylist(self.playlist)
self.player.durationChanged.connect(self.duration_changed)
self.player.positionChanged.connect(self.position_changed)
self.player.metaDataChanged.connect(self.meta_data_changed)
self.playlist.currentIndexChanged.connect(
self.playlist_position_changed)
self.player.mediaStatusChanged.connect(self.status_changed)
self.player.bufferStatusChanged.connect(self.buffering_progress)
self.player.videoAvailableChanged.connect(self.video_available_changed)
self.player.error.connect(self.display_error_message)
self.playlistModel = PlaylistModel()
self.playlistModel.set_playlist(self.playlist)
def _init_video_player(self):
"""
:return:
"""
self.histogram = HistogramWidget()
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.histogram.process_frame)
self.probe.setSource(self.player)
def _get_histogram_layout(self):
"""
:return:
"""
self.labelHistogram = QLabel()
self.labelHistogram.setText("Histogram:")
histogramLayout = QHBoxLayout()
histogramLayout.addWidget(self.labelHistogram)
if self.histogram:
histogramLayout.addWidget(self.histogram, 1)
return histogramLayout
def open(self):
"""
:return:
"""
file_names, _ = QFileDialog.getOpenFileNames(self, "Open Files")
self.add_to_playlist(file_names)
def add_to_playlist(self, file_names):
"""
:param file_names:
:return:
"""
for name in file_names:
file_info = QFileInfo(name)
if file_info.exists():
url = QUrl.fromLocalFile(file_info.absoluteFilePath())
if file_info.suffix().lower() == 'm3u':
self.playlist.load(url)
else:
self.playlist.addMedia(QMediaContent(url))
else:
url = QUrl(name)
if url.isValid():
self.playlist.addMedia(QMediaContent(url))
def duration_changed(self, duration):
"""
:param duration:
:return:
"""
duration /= 1000
self.duration = duration
self.slider.setMaximum(duration)
def position_changed(self, progress):
"""
:param progress:
:return:
"""
progress /= 1000
if not self.slider.isSliderDown():
self.slider.setValue(progress)
self.update_duration_info(progress)
def meta_data_changed(self):
"""
:return:
"""
if self.player.isMetaDataAvailable():
self.set_track_info(
"%s - %s" % (self.player.metaData(QMediaMetaData.AlbumArtist),
self.player.metaData(QMediaMetaData.Title)))
def previous_clicked(self):
"""
:return:
"""
if self.player.position() <= 5000:
self.playlist.previous()
else:
self.player.setPosition(0)
def jump(self, index):
"""
:param index:
:return:
"""
if index.isValid():
self.playlist.setCurrentIndex(index.row())
self.player.play()
def playlist_position_changed(self, position):
"""
:param position:
:return:
"""
self.playlistView.setCurrentIndex(self.playlistModel.index(
position, 0))
def seek(self, seconds):
"""
:param seconds:
:return:
"""
self.player.setPosition(seconds * 1000)
def status_changed(self, status):
"""
:param status:
:return:
"""
self.handle_cursor(status)
if status == QMediaPlayer.LoadingMedia:
self.set_status_info("Loading...")
elif status == QMediaPlayer.StalledMedia:
self.set_status_info("Media Stalled")
elif status == QMediaPlayer.EndOfMedia:
QApplication.alert(self)
elif status == QMediaPlayer.InvalidMedia:
self.display_error_message()
else:
self.set_status_info("")
def handle_cursor(self, status):
"""
:param status:
:return:
"""
if status in (QMediaPlayer.LoadingMedia, QMediaPlayer.BufferingMedia,
QMediaPlayer.StalledMedia):
self.setCursor(Qt.BusyCursor)
else:
self.unsetCursor()
def buffering_progress(self, progress):
"""
:param progress:
:return:
"""
self.set_status_info("Buffering %d%" % progress)
def video_available_changed(self, available):
"""
:param available:
:return:
"""
if available:
self.fullScreenButton.clicked.connect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.connect(
self.fullScreenButton.setChecked)
if self.fullScreenButton.isChecked():
self.videoWidget.setFullScreen(True)
else:
self.fullScreenButton.clicked.disconnect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.disconnect(
self.fullScreenButton.setChecked)
self.videoWidget.setFullScreen(False)
self.colorButton.setEnabled(available)
def set_track_info(self, info):
"""
:param info:
:return:
"""
self.trackInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def set_status_info(self, info):
"""
:param info:
:return:
"""
self.statusInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def display_error_message(self):
"""
:return:
"""
self.set_status_info(self.player.errorString())
def update_duration_info(self, current_info):
"""
:param current_info:
:return:
"""
result = ""
duration = self.duration
if current_info or duration:
current_time = QTime((current_info / 3600) % 60,
(current_info / 60) % 60, current_info % 60,
(current_info * 1000) % 1000)
total_time = QTime((duration / 3600) % 60, (duration / 60) % 60,
duration % 60, (duration * 1000) % 1000)
if duration > 3600:
format = 'hh:mm:ss'
else:
format = 'mm:ss'
result = current_time.toString(
format) + " / " + total_time.toString(format)
self.labelDuration.setText(result)
def show_color_dialog(self):
"""
:return:
"""
if self.colorDialog is None:
brightness_slider = QSlider(Qt.Horizontal)
brightness_slider.setRange(-100, 100)
brightness_slider.setValue(self.videoWidget.brightness())
brightness_slider.sliderMoved.connect(
self.videoWidget.setBrightness)
self.videoWidget.brightnessChanged.connect(
brightness_slider.setValue)
contrast_slider = QSlider(Qt.Horizontal)
contrast_slider.setRange(-100, 100)
contrast_slider.setValue(self.videoWidget.contrast())
contrast_slider.sliderMoved.connect(self.videoWidget.setContrast)
self.videoWidget.contrastChanged.connect(contrast_slider.setValue)
hue_slider = QSlider(Qt.Horizontal)
hue_slider.setRange(-100, 100)
hue_slider.setValue(self.videoWidget.hue())
hue_slider.sliderMoved.connect(self.videoWidget.setHue)
self.videoWidget.hueChanged.connect(hue_slider.setValue)
saturation_slider = QSlider(Qt.Horizontal)
saturation_slider.setRange(-100, 100)
saturation_slider.setValue(self.videoWidget.saturation())
saturation_slider.sliderMoved.connect(
self.videoWidget.setSaturation)
self.videoWidget.saturationChanged.connect(
saturation_slider.setValue)
layout = QFormLayout()
layout.addRow("Brightness", brightness_slider)
layout.addRow("Contrast", contrast_slider)
layout.addRow("Hue", hue_slider)
layout.addRow("Saturation", saturation_slider)
button = QPushButton("Close")
layout.addRow(button)
self.colorDialog = QDialog(self)
self.colorDialog.setWindowTitle("Color Options")
self.colorDialog.setLayout(layout)
button.clicked.connect(self.colorDialog.close)
self.colorDialog.show()
class MediaWindow(QWidget):
def __init__(self, stimulusWindow):
super(MediaWindow, self).__init__()
self.setFocusPolicy(Qt.StrongFocus)
self.setStyleSheet('''
QWidget{
border-style: none;
}
''')
#self.setWindowFlags(Qt.WindowStaysOnTopHint | Qt.FramelessWindowHint)
self.showFullScreen()
self.stimulusWindow = stimulusWindow
stimulusWindow.showFullScreen()
self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
self.videoProbe = QVideoProbe()
self.videoProbe.videoFrameProbed.connect(self.onVideoFrame)
self.videoProbe.setSource(self.mediaPlayer)
self.graphicsVideoItem = QGraphicsVideoItem()
self.graphicsScene = QGraphicsScene()
self.graphicsView = QGraphicsView(self.graphicsScene)
geom = stimulusWindow.geometry()
self.graphicsView.setFixedSize(geom.width(), geom.height())
self.graphicsScene.addItem(self.graphicsVideoItem)
self.graphicsView.setViewport(self.stimulusWindow)
self.graphicsView.setViewportUpdateMode(
QGraphicsView.FullViewportUpdate)
print(self.graphicsView.contentsRect())
layout = QVBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
layout.alignmentRect
layout.addWidget(self.graphicsView)
self.setLayout(layout)
self.graphicsView.setFocusPolicy(Qt.NoFocus)
self.graphicsView.viewport().installEventFilter(self)
self.hide()
#self.showFullScreen()
self.ticker = None
def eventFilter(self, object, event):
if event.type() == QEvent.MouseMove:
self.mouseMoveEvent(event)
return False
def playVideo(self, videoPath, duration):
self.showFullScreen()
url = QUrl.fromLocalFile(videoPath)
self.mediaContent = QMediaContent(url)
self.mediaPlayer.setVideoOutput(self.graphicsVideoItem)
self.mediaPlayer.setMedia(self.mediaContent)
self.stimulusWindow.measuredFrameInterval_s = self.stimulusWindow.expectedFrameInterval_s
self.stimulusWindow.gracePeriodForFpsMeasurement = 60
print('mediaplayer: video start')
print(self.mediaPlayer.mediaStatus())
self.timer.stop()
self.mediaPlayer.play()
self.framesToGo = duration
print('frames to go: ' + str(self.framesToGo))
def stopVideo(self):
#self.stimulusWindow.showFullScreen()
print('mediaplayer: video stop')
self.mediaPlayer.stop()
self.timer.start()
def onVideoFrame(self, frame):
gears.onDisplayHidden()
self.framesToGo = self.framesToGo - 1
if self.framesToGo == 0:
self.stopVideo()
def start(self, launcherWindow):
print("Starting media window.")
print(datetime.datetime.now().time())
self.launcherWindow = launcherWindow
sequence = gears.getSequence().getPythonObject()
self.expectedFrameInterval_s = sequence.getFrameInterval_s()
self.measuredFrameInterval_s = self.expectedFrameInterval_s
self.gracePeriodForFpsMeasurement = 60
if sequence.getUsesBusyWaitingThreadForSingals():
self.ticker = gears.startTicker()
else:
self.ticker = None
self.timer = QTimer(self)
self.timer.setInterval(0)
self.timer.timeout.connect(self.onTimer)
self.stimulusWindow.mediaWindow = self
self.timer.start()
self.firstFrame = True
self.setFocus()
print("Showing media window.")
print(datetime.datetime.now().time())
self.showFullScreen()
def stop(self):
self.timer.stop()
sequence = gears.getSequence().getPythonObject()
if self.ticker:
self.ticker.stop()
self.launcherWindow.wake()
QApplication.instance().processEvents()
gears.reset()
self.hide()
self.lower()
def onBufferSwap(self):
if self.ticker:
self.ticker.onBufferSwap()
def onTimer(self):
#print("Media window timer tick.")
#print(datetime.datetime.now().time())
self.stimulusWindow.updateNative()
def keyReleaseEvent(self, event):
stimulus = gears.getCurrentStimulus().getPythonObject()
try:
for cb in stimulus.onKeyUp:
cb(event)
except AttributeError:
pass
def keyPressEvent(self, event):
sequence = gears.getSequence().getPythonObject()
if event.text() == 'q' or event.key() == Qt.Key_Escape:
gears.skip(100000000)
elif event.text() == 'f':
self.showFps = not self.showFps
elif event.key() == Qt.Key_Right or event.text() == 's':
gears.skip(1)
elif event.key() == Qt.Key_Left or event.text() == 'b':
gears.skip(-1)
elif event.text() == 'p' or event.text() == 'a':
gears.pause()
elif event.text() == 'y':
gears.instantlyClearSignal(sequence.onKeySpikeChannel)
gears.instantlyRaiseSignal(sequence.onKeySpikeChannel)
elif event.text() == 'h':
gears.instantlyRaiseSignal(sequence.onKeySpikeChannel)
gears.instantlyClearSignal(sequence.onKeySpikeChannel)
else:
if event.text() == ' ':
gears.setText("_____toggle info",
"Press SPACE to hide this text.")
gears.showText()
stimulus = gears.getCurrentStimulus().getPythonObject()
try:
for cb in stimulus.onKey:
cb(event)
except AttributeError:
pass
def mouseMoveEvent(self, event):
stimulus = gears.getCurrentStimulus().getPythonObject()
try:
for cb in stimulus.onMouse:
cb(event)
except AttributeError:
pass
def mousePressEvent(self, event):
stimulus = gears.getCurrentStimulus().getPythonObject()
try:
for cb in stimulus.onMouseClick:
cb(event)
except AttributeError:
pass
def wheelEvent(self, event):
stimulus = gears.getCurrentStimulus().getPythonObject()
try:
for cb in stimulus.onWheel:
cb(event)
except AttributeError:
pass
class Player(QWidget):
fullScreenChanged = pyqtSignal(bool)
def __init__(self, playlist, parent=None):
super(Player, self).__init__(parent)
self.colorDialog = None
self.trackInfo = ""
self.statusInfo = ""
self.duration = 0
self.player = QMediaPlayer()
self.playlist = QMediaPlaylist()
self.player.setPlaylist(self.playlist)
self.player.durationChanged.connect(self.durationChanged)
self.player.positionChanged.connect(self.positionChanged)
self.player.metaDataChanged.connect(self.metaDataChanged)
self.playlist.currentIndexChanged.connect(self.playlistPositionChanged)
self.player.mediaStatusChanged.connect(self.statusChanged)
self.player.bufferStatusChanged.connect(self.bufferingProgress)
self.player.videoAvailableChanged.connect(self.videoAvailableChanged)
self.player.error.connect(self.displayErrorMessage)
self.videoWidget = VideoWidget()
self.player.setVideoOutput(self.videoWidget)
self.playlistModel = PlaylistModel()
self.playlistModel.setPlaylist(self.playlist)
self.playlistView = QListView()
self.playlistView.setModel(self.playlistModel)
self.playlistView.setCurrentIndex(
self.playlistModel.index(self.playlist.currentIndex(), 0))
self.playlistView.activated.connect(self.jump)
self.slider = QSlider(Qt.Horizontal)
self.slider.setRange(0, self.player.duration() / 1000)
self.labelDuration = QLabel()
self.slider.sliderMoved.connect(self.seek)
self.labelHistogram = QLabel()
self.labelHistogram.setText("Histogram:")
self.histogram = HistogramWidget()
histogramLayout = QHBoxLayout()
histogramLayout.addWidget(self.labelHistogram)
histogramLayout.addWidget(self.histogram, 1)
self.probe = QVideoProbe()
self.probe.videoFrameProbed.connect(self.histogram.processFrame)
self.probe.setSource(self.player)
openButton = QPushButton("Open", clicked=self.open)
controls = PlayerControls()
controls.setState(self.player.state())
controls.setVolume(self.player.volume())
controls.setMuted(controls.isMuted())
controls.play.connect(self.player.play)
controls.pause.connect(self.player.pause)
controls.stop.connect(self.player.stop)
controls.next.connect(self.playlist.next)
controls.previous.connect(self.previousClicked)
controls.changeVolume.connect(self.player.setVolume)
controls.changeMuting.connect(self.player.setMuted)
controls.changeRate.connect(self.player.setPlaybackRate)
controls.stop.connect(self.videoWidget.update)
self.player.stateChanged.connect(controls.setState)
self.player.volumeChanged.connect(controls.setVolume)
self.player.mutedChanged.connect(controls.setMuted)
self.fullScreenButton = QPushButton("FullScreen")
self.fullScreenButton.setCheckable(True)
self.colorButton = QPushButton("Color Options...")
self.colorButton.setEnabled(False)
self.colorButton.clicked.connect(self.showColorDialog)
displayLayout = QHBoxLayout()
displayLayout.addWidget(self.videoWidget, 2)
displayLayout.addWidget(self.playlistView)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addStretch(1)
controlLayout.addWidget(controls)
controlLayout.addStretch(1)
controlLayout.addWidget(self.fullScreenButton)
controlLayout.addWidget(self.colorButton)
layout = QVBoxLayout()
layout.addLayout(displayLayout)
hLayout = QHBoxLayout()
hLayout.addWidget(self.slider)
hLayout.addWidget(self.labelDuration)
layout.addLayout(hLayout)
layout.addLayout(controlLayout)
layout.addLayout(histogramLayout)
self.setLayout(layout)
if not self.player.isAvailable():
QMessageBox.warning(self, "Service not available",
"The QMediaPlayer object does not have a valid service.\n"
"Please check the media service plugins are installed.")
controls.setEnabled(False)
self.playlistView.setEnabled(False)
openButton.setEnabled(False)
self.colorButton.setEnabled(False)
self.fullScreenButton.setEnabled(False)
self.metaDataChanged()
self.addToPlaylist(playlist)
def open(self):
fileNames, _ = QFileDialog.getOpenFileNames(self, "Open Files")
self.addToPlaylist(fileNames)
def addToPlaylist(self, fileNames):
for name in fileNames:
fileInfo = QFileInfo(name)
if fileInfo.exists():
url = QUrl.fromLocalFile(fileInfo.absoluteFilePath())
if fileInfo.suffix().lower() == 'm3u':
self.playlist.load(url)
else:
self.playlist.addMedia(QMediaContent(url))
else:
url = QUrl(name)
if url.isValid():
self.playlist.addMedia(QMediaContent(url))
def durationChanged(self, duration):
duration /= 1000
self.duration = duration
self.slider.setMaximum(duration)
def positionChanged(self, progress):
progress /= 1000
if not self.slider.isSliderDown():
self.slider.setValue(progress)
self.updateDurationInfo(progress)
def metaDataChanged(self):
if self.player.isMetaDataAvailable():
self.setTrackInfo("%s - %s" % (
self.player.metaData(QMediaMetaData.AlbumArtist),
self.player.metaData(QMediaMetaData.Title)))
def previousClicked(self):
# Go to the previous track if we are within the first 5 seconds of
# playback. Otherwise, seek to the beginning.
if self.player.position() <= 5000:
self.playlist.previous()
else:
self.player.setPosition(0)
def jump(self, index):
if index.isValid():
self.playlist.setCurrentIndex(index.row())
self.player.play()
def playlistPositionChanged(self, position):
self.playlistView.setCurrentIndex(
self.playlistModel.index(position, 0))
def seek(self, seconds):
self.player.setPosition(seconds * 1000)
def statusChanged(self, status):
self.handleCursor(status)
if status == QMediaPlayer.LoadingMedia:
self.setStatusInfo("Loading...")
elif status == QMediaPlayer.StalledMedia:
self.setStatusInfo("Media Stalled")
elif status == QMediaPlayer.EndOfMedia:
QApplication.alert(self)
elif status == QMediaPlayer.InvalidMedia:
self.displayErrorMessage()
else:
self.setStatusInfo("")
def handleCursor(self, status):
if status in (QMediaPlayer.LoadingMedia, QMediaPlayer.BufferingMedia, QMediaPlayer.StalledMedia):
self.setCursor(Qt.BusyCursor)
else:
self.unsetCursor()
def bufferingProgress(self, progress):
self.setStatusInfo("Buffering %d%" % progress)
def videoAvailableChanged(self, available):
if available:
self.fullScreenButton.clicked.connect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.connect(
self.fullScreenButton.setChecked)
if self.fullScreenButton.isChecked():
self.videoWidget.setFullScreen(True)
else:
self.fullScreenButton.clicked.disconnect(
self.videoWidget.setFullScreen)
self.videoWidget.fullScreenChanged.disconnect(
self.fullScreenButton.setChecked)
self.videoWidget.setFullScreen(False)
self.colorButton.setEnabled(available)
def setTrackInfo(self, info):
self.trackInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def setStatusInfo(self, info):
self.statusInfo = info
if self.statusInfo != "":
self.setWindowTitle("%s | %s" % (self.trackInfo, self.statusInfo))
else:
self.setWindowTitle(self.trackInfo)
def displayErrorMessage(self):
self.setStatusInfo(self.player.errorString())
def updateDurationInfo(self, currentInfo):
duration = self.duration
if currentInfo or duration:
currentTime = QTime((currentInfo/3600)%60, (currentInfo/60)%60,
currentInfo%60, (currentInfo*1000)%1000)
totalTime = QTime((duration/3600)%60, (duration/60)%60,
duration%60, (duration*1000)%1000);
format = 'hh:mm:ss' if duration > 3600 else 'mm:ss'
tStr = currentTime.toString(format) + " / " + totalTime.toString(format)
else:
tStr = ""
self.labelDuration.setText(tStr)
def showColorDialog(self):
if self.colorDialog is None:
brightnessSlider = QSlider(Qt.Horizontal)
brightnessSlider.setRange(-100, 100)
brightnessSlider.setValue(self.videoWidget.brightness())
brightnessSlider.sliderMoved.connect(
self.videoWidget.setBrightness)
self.videoWidget.brightnessChanged.connect(
brightnessSlider.setValue)
contrastSlider = QSlider(Qt.Horizontal)
contrastSlider.setRange(-100, 100)
contrastSlider.setValue(self.videoWidget.contrast())
contrastSlider.sliderMoved.connect(self.videoWidget.setContrast)
self.videoWidget.contrastChanged.connect(contrastSlider.setValue)
hueSlider = QSlider(Qt.Horizontal)
hueSlider.setRange(-100, 100)
hueSlider.setValue(self.videoWidget.hue())
hueSlider.sliderMoved.connect(self.videoWidget.setHue)
self.videoWidget.hueChanged.connect(hueSlider.setValue)
saturationSlider = QSlider(Qt.Horizontal)
saturationSlider.setRange(-100, 100)
saturationSlider.setValue(self.videoWidget.saturation())
saturationSlider.sliderMoved.connect(
self.videoWidget.setSaturation)
self.videoWidget.saturationChanged.connect(
saturationSlider.setValue)
layout = QFormLayout()
layout.addRow("Brightness", brightnessSlider)
layout.addRow("Contrast", contrastSlider)
layout.addRow("Hue", hueSlider)
layout.addRow("Saturation", saturationSlider)
button = QPushButton("Close")
layout.addRow(button)
self.colorDialog = QDialog(self)
self.colorDialog.setWindowTitle("Color Options")
self.colorDialog.setLayout(layout)
button.clicked.connect(self.colorDialog.close)
self.colorDialog.show()
