Пример #1
0
class VideoPlayer(QWidget):
    def __init__(self, aPath, parent=None):
        super(VideoPlayer, self).__init__(parent)

        self.setAttribute(Qt.WA_NoSystemBackground, True)
        self.setAcceptDrops(True)
        self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.StreamPlayback)
        self.mediaPlayer.mediaStatusChanged.connect(self.printMediaData)
        self.mediaPlayer.setVolume(80)
        self.videoWidget = QVideoWidget(self)

        self.lbl = QLineEdit('00:00:00')
        self.lbl.setReadOnly(True)
        self.lbl.setFixedWidth(70)
        self.lbl.setUpdatesEnabled(True)
        self.lbl.setStyleSheet(stylesheet(self))
        self.lbl.selectionChanged.connect(lambda: self.lbl.setSelection(0, 0))

        self.elbl = QLineEdit('00:00:00')
        self.elbl.setReadOnly(True)
        self.elbl.setFixedWidth(70)
        self.elbl.setUpdatesEnabled(True)
        self.elbl.setStyleSheet(stylesheet(self))
        self.elbl.selectionChanged.connect(
            lambda: self.elbl.setSelection(0, 0))

        self.playButton = QPushButton()
        self.playButton.setEnabled(False)
        self.playButton.setFixedWidth(32)
        self.playButton.setStyleSheet("background-color: black")
        self.playButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
        self.playButton.clicked.connect(self.play)

        self.positionSlider = QSlider(Qt.Horizontal, self)
        self.positionSlider.setStyleSheet(stylesheet(self))
        self.positionSlider.setRange(0, 100)
        self.positionSlider.sliderMoved.connect(self.setPosition)
        self.positionSlider.setSingleStep(2)
        self.positionSlider.setPageStep(20)
        self.positionSlider.setAttribute(Qt.WA_TranslucentBackground, True)

        self.clip = QApplication.clipboard()
        self.process = QProcess(self)
        self.process.readyRead.connect(self.dataReady)
        self.process.finished.connect(self.playFromURL)

        self.myurl = ""

        controlLayout = QHBoxLayout()
        controlLayout.setContentsMargins(5, 0, 5, 0)
        controlLayout.addWidget(self.playButton)
        controlLayout.addWidget(self.lbl)
        controlLayout.addWidget(self.positionSlider)
        controlLayout.addWidget(self.elbl)

        layout = QVBoxLayout()
        layout.setContentsMargins(0, 0, 0, 0)
        layout.addWidget(self.videoWidget)
        layout.addLayout(controlLayout)

        self.setLayout(layout)

        self.myinfo = "©2016\nAxel Schneider\n\nMouse Wheel = Zoom\nUP = Volume Up\nDOWN = Volume Down\n" + \
                "LEFT = < 1 Minute\nRIGHT = > 1 Minute\n" + \
                "SHIFT+LEFT = < 10 Minutes\nSHIFT+RIGHT = > 10 Minutes"

        self.widescreen = True

        #### shortcuts ####
        self.shortcut = QShortcut(QKeySequence("q"), self)
        self.shortcut.activated.connect(self.handleQuit)
        self.shortcut = QShortcut(QKeySequence("u"), self)
        self.shortcut.activated.connect(self.playFromURL)

        self.shortcut = QShortcut(QKeySequence("y"), self)
        self.shortcut.activated.connect(self.getYTUrl)

        self.shortcut = QShortcut(QKeySequence("o"), self)
        self.shortcut.activated.connect(self.openFile)
        self.shortcut = QShortcut(QKeySequence(" "), self)
        self.shortcut.activated.connect(self.play)
        self.shortcut = QShortcut(QKeySequence("f"), self)
        self.shortcut.activated.connect(self.handleFullscreen)
        self.shortcut = QShortcut(QKeySequence("i"), self)
        self.shortcut.activated.connect(self.handleInfo)
        self.shortcut = QShortcut(QKeySequence("s"), self)
        self.shortcut.activated.connect(self.toggleSlider)
        self.shortcut = QShortcut(QKeySequence(Qt.Key_Right), self)
        self.shortcut.activated.connect(self.forwardSlider)
        self.shortcut = QShortcut(QKeySequence(Qt.Key_Left), self)
        self.shortcut.activated.connect(self.backSlider)
        self.shortcut = QShortcut(QKeySequence(Qt.Key_Up), self)
        self.shortcut.activated.connect(self.volumeUp)
        self.shortcut = QShortcut(QKeySequence(Qt.Key_Down), self)
        self.shortcut.activated.connect(self.volumeDown)
        self.shortcut = QShortcut(
            QKeySequence(Qt.ShiftModifier + Qt.Key_Right), self)
        self.shortcut.activated.connect(self.forwardSlider10)
        self.shortcut = QShortcut(QKeySequence(Qt.ShiftModifier + Qt.Key_Left),
                                  self)
        self.shortcut.activated.connect(self.backSlider10)

        self.mediaPlayer.setVideoOutput(self.videoWidget)
        self.mediaPlayer.stateChanged.connect(self.mediaStateChanged)
        self.mediaPlayer.positionChanged.connect(self.positionChanged)
        self.mediaPlayer.durationChanged.connect(self.durationChanged)
        self.mediaPlayer.error.connect(self.handleError)

        print("QT5 Player started")
        print("press 'o' to open file (see context menu for more)")
        self.suspend_screensaver()

    def mouseDoubleClickEvent(self, event):
        self.handleFullscreen()

    def playFromURL(self):
        self.mediaPlayer.pause()
        self.myurl = self.clip.text()
        self.mediaPlayer.setMedia(QMediaContent(QUrl(self.myurl)))
        self.playButton.setEnabled(True)
        self.mediaPlayer.play()
        self.hideSlider()
        print(self.myurl)

    def getYTUrl(self):
        cmd = "youtube-dl -g -f best " + self.clip.text()
        print("grabbing YouTube URL")
        self.process.start(cmd)

    def dataReady(self):
        self.myurl = str(self.process.readAll(), encoding='utf8').rstrip()  ###
        self.myurl = self.myurl.partition("\n")[0]
        print(self.myurl)
        self.clip.setText(self.myurl)
        self.playFromURL()

    def suspend_screensaver(self):
        'suspend linux screensaver'
        proc = subprocess.Popen(
            'gsettings set org.gnome.desktop.screensaver idle-activation-enabled false',
            shell=True)
        proc.wait()

    def resume_screensaver(self):
        'resume linux screensaver'
        proc = subprocess.Popen(
            'gsettings set org.gnome.desktop.screensaver idle-activation-enabled true',
            shell=True)
        proc.wait()

    def openFile(self):
        fileName, _ = QFileDialog.getOpenFileName(
            self, "Open Movie",
            QDir.homePath() + "/Videos",
            "Media (*.webm *.mp4 *.ts *.avi *.mpeg *.mpg *.mkv *.VOB *.m4v *.3gp *.mp3 *.m4a *.wav *.ogg *.flac *.m3u *.m3u8)"
        )

        if fileName != '':
            self.loadFilm(fileName)
            print("File loaded")

    def play(self):
        if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
            self.mediaPlayer.pause()
        else:
            self.mediaPlayer.play()

    def mediaStateChanged(self, state):
        if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
            self.playButton.setIcon(self.style().standardIcon(
                QStyle.SP_MediaPause))
        else:
            self.playButton.setIcon(self.style().standardIcon(
                QStyle.SP_MediaPlay))

    def positionChanged(self, position):
        self.positionSlider.setValue(position)
        mtime = QTime(0, 0, 0, 0)
        mtime = mtime.addMSecs(self.mediaPlayer.position())
        self.lbl.setText(mtime.toString())

    def durationChanged(self, duration):
        self.positionSlider.setRange(0, duration)
        mtime = QTime(0, 0, 0, 0)
        mtime = mtime.addMSecs(self.mediaPlayer.duration())
        self.elbl.setText(mtime.toString())

    def setPosition(self, position):
        self.mediaPlayer.setPosition(position)

    def handleError(self):
        self.playButton.setEnabled(False)
        print("Error: ", self.mediaPlayer.errorString())

    def handleQuit(self):
        self.mediaPlayer.stop()
        self.resume_screensaver()
        print("Goodbye ...")
        app.quit()

    def contextMenuRequested(self, point):
        menu = QMenu()
        actionFile = menu.addAction(QIcon.fromTheme("video-x-generic"),
                                    "open File (o)")
        actionclipboard = menu.addSeparator()
        actionURL = menu.addAction(QIcon.fromTheme("browser"),
                                   "URL from Clipboard (u)")
        actionclipboard = menu.addSeparator()
        actionYTurl = menu.addAction(QIcon.fromTheme("youtube"),
                                     "URL from YouTube (y)")
        actionclipboard = menu.addSeparator()
        actionToggle = menu.addAction(QIcon.fromTheme("next"),
                                      "show / hide Slider (s)")
        actionFull = menu.addAction(QIcon.fromTheme("view-fullscreen"),
                                    "Fullscreen (f)")
        action169 = menu.addAction(QIcon.fromTheme("tv-symbolic"), "16 : 9")
        action43 = menu.addAction(QIcon.fromTheme("tv-symbolic"), "4 : 3")
        actionSep = menu.addSeparator()
        actionInfo = menu.addAction(QIcon.fromTheme("help-about"), "Info (i)")
        action5 = menu.addSeparator()
        actionQuit = menu.addAction(QIcon.fromTheme("application-exit"),
                                    "Exit (q)")

        actionFile.triggered.connect(self.openFile)
        actionQuit.triggered.connect(self.handleQuit)
        actionFull.triggered.connect(self.handleFullscreen)
        actionInfo.triggered.connect(self.handleInfo)
        actionToggle.triggered.connect(self.toggleSlider)
        actionURL.triggered.connect(self.playFromURL)
        actionYTurl.triggered.connect(self.getYTUrl)
        action169.triggered.connect(self.screen169)
        action43.triggered.connect(self.screen43)
        menu.exec_(self.mapToGlobal(point))

    def wheelEvent(self, event):
        mwidth = self.frameGeometry().width()
        mheight = self.frameGeometry().height()
        mleft = self.frameGeometry().left()
        mtop = self.frameGeometry().top()
        mscale = event.angleDelta().y() / 5
        if self.widescreen == True:
            self.setGeometry(mleft, mtop, mwidth + mscale,
                             round((mwidth + mscale) / 1.778))
        else:
            self.setGeometry(mleft, mtop, mwidth + mscale,
                             round((mwidth + mscale) / 1.33))
        #elif self.positionSlider.hasFocus():
        #    self.positionSlider.value = self.positionSlider.value + 5

    def screen169(self):
        self.widescreen = True
        mwidth = self.frameGeometry().width()
        mheight = self.frameGeometry().height()
        mleft = self.frameGeometry().left()
        mtop = self.frameGeometry().top()
        mratio = 1.778
        self.setGeometry(mleft, mtop, mwidth, round(mwidth / mratio))

    def screen43(self):
        self.widescreen = False
        mwidth = self.frameGeometry().width()
        mheight = self.frameGeometry().height()
        mleft = self.frameGeometry().left()
        mtop = self.frameGeometry().top()
        mratio = 1.33
        self.setGeometry(mleft, mtop, mwidth, round(mwidth / mratio))

    def handleFullscreen(self):
        if self.windowState() & Qt.WindowFullScreen:
            QApplication.setOverrideCursor(Qt.ArrowCursor)
            self.showNormal()
            print("no Fullscreen")
        else:
            self.showFullScreen()
            QApplication.setOverrideCursor(Qt.BlankCursor)
            print("Fullscreen entered")

    def handleInfo(self):
        msg = QMessageBox.about(self, "QT5 Player", self.myinfo)

    def toggleSlider(self):
        if self.positionSlider.isVisible():
            self.hideSlider()
        else:
            self.showSlider()

    def hideSlider(self):
        self.playButton.hide()
        self.lbl.hide()
        self.positionSlider.hide()
        self.elbl.hide()
        mwidth = self.frameGeometry().width()
        mheight = self.frameGeometry().height()
        mleft = self.frameGeometry().left()
        mtop = self.frameGeometry().top()
        if self.widescreen == True:
            self.setGeometry(mleft, mtop, mwidth, round(mwidth / 1.778))
        else:
            self.setGeometry(mleft, mtop, mwidth, round(mwidth / 1.33))

    def showSlider(self):
        self.playButton.show()
        self.lbl.show()
        self.positionSlider.show()
        self.elbl.show()
        mwidth = self.frameGeometry().width()
        mheight = self.frameGeometry().height()
        mleft = self.frameGeometry().left()
        mtop = self.frameGeometry().top()
        if self.widescreen == True:
            self.setGeometry(mleft, mtop, mwidth, round(mwidth / 1.55))
        else:
            self.setGeometry(mleft, mtop, mwidth, round(mwidth / 1.33))

    def forwardSlider(self):
        self.mediaPlayer.setPosition(self.mediaPlayer.position() + 1000 * 60)

    def forwardSlider10(self):
        self.mediaPlayer.setPosition(self.mediaPlayer.position() + 10000 * 60)

    def backSlider(self):
        self.mediaPlayer.setPosition(self.mediaPlayer.position() - 1000 * 60)

    def backSlider10(self):
        self.mediaPlayer.setPosition(self.mediaPlayer.position() - 10000 * 60)

    def volumeUp(self):
        self.mediaPlayer.setVolume(self.mediaPlayer.volume() + 10)
        print("Volume: " + str(self.mediaPlayer.volume()))

    def volumeDown(self):
        self.mediaPlayer.setVolume(self.mediaPlayer.volume() - 10)
        print("Volume: " + str(self.mediaPlayer.volume()))

    def mousePressEvent(self, evt):
        self.oldPos = evt.globalPos()

    def mouseMoveEvent(self, evt):
        delta = QPoint(evt.globalPos() - self.oldPos)
        self.move(self.x() + delta.x(), self.y() + delta.y())
        self.oldPos = evt.globalPos()

    def dragEnterEvent(self, event):
        if event.mimeData().hasUrls():
            event.accept()
        elif event.mimeData().hasText():
            event.accept()
        else:
            event.ignore()

    def dropEvent(self, event):
        print("drop")
        if event.mimeData().hasUrls():
            url = event.mimeData().urls()[0].toString()
            print("url = ", url)
            self.mediaPlayer.stop()
            self.mediaPlayer.setMedia(QMediaContent(QUrl(url)))
            self.playButton.setEnabled(True)
            self.mediaPlayer.play()
        elif event.mimeData().hasText():
            mydrop = event.mimeData().text()
            ### YouTube url
            if "youtube" in mydrop:
                print("is YouTube", mydrop)
                self.clip.setText(mydrop)
                self.getYTUrl()
            else:
                ### normal url
                print("generic url = ", mydrop)
                self.mediaPlayer.setMedia(QMediaContent(QUrl(mydrop)))
                self.playButton.setEnabled(True)
                self.mediaPlayer.play()
                self.hideSlider()

    def loadFilm(self, f):
        self.mediaPlayer.setMedia(QMediaContent(QUrl.fromLocalFile(f)))
        self.playButton.setEnabled(True)
        self.mediaPlayer.play()

    def printMediaData(self):
        if self.mediaPlayer.mediaStatus() == 6:
            if self.mediaPlayer.isMetaDataAvailable():
                res = str(self.mediaPlayer.metaData("Resolution")).partition(
                    "PyQt5.QtCore.QSize(")[2].replace(", ",
                                                      "x").replace(")", "")
                print("%s%s" % ("Video Resolution = ", res))
                if int(res.partition("x")[0]) / int(
                        res.partition("x")[2]) < 1.5:
                    self.screen43()
                else:
                    self.screen169()
            else:
                print("no metaData available")

    def openFileAtStart(self, filelist):
        matching = [s for s in filelist if ".myformat" in s]
        if len(matching) > 0:
            self.loadFilm(matching)
Пример #2
0
class Player(QWidget):

    media_loaded = Signal(str)
    stopped = Signal(str)
    playlist_size_changed = Signal(int)
    handle_double_click = Slot()

    def __init__(self, parent=None):
        super(Player, self).__init__(parent)

        self.duration = 0
        self.volume = 50

        self.player = QMediaPlayer()
        self.playlist = Playlist(self)
        self.videoWidget = VideoWidget()
        self.next_url = QUrl()
        self.context_menu = QMenu(self)
        self.display_splitter = QSplitter(Qt.Horizontal)
        self.repeat_control = RepeatControl(parent=self)
        self.repeat_control.get_player_position = self.player.position
        self.repeat_control.set_position_to_player = self.player.setPosition
        self.player.positionChanged.connect(self.repeat_control.set_pos)

        self.setAcceptDrops(True)

        std_icon = self.style().standardIcon
        self.play_button = create_flat_button(std_icon(QStyle.SP_MediaPlay))
        self.stopButton = create_flat_button(std_icon(QStyle.SP_MediaStop), '')
        self.backwardButton = create_flat_button(
            std_icon(QStyle.SP_MediaSkipBackward), '')
        self.forwardButton = create_flat_button(
            std_icon(QStyle.SP_MediaSkipForward), '')

        self.order_list = self.repeat_control.menu()
        self.order_list.setFixedWidth(115)

        self.playback_rate_menu = QComboBox()
        self.playback_rate_menu.addItems(
            ('0.5x', '0.75x', '0.9x', '1.0x', '1.1x', '1.25x', '1.5x'))
        self.playback_rate_menu.setCurrentText('1.0x')

        self.muteButton = create_flat_button(
            std_icon(QStyle.SP_MediaVolume if not self.player.isMuted() else
                     QStyle.SP_MediaVolumeMuted))

        self.volumeBar = QSlider(Qt.Horizontal)
        self.volumeBar.setRange(0, 100)
        self.volumeBar.setValue(self.volume)

        self.labelVolume = QLabel(str(self.volume))
        self.labelVolume.setMinimumWidth(24)

        self.statusInfoLabel = QLabel()

        self.seekBar = QSlider(Qt.Horizontal)
        self.seekBar.setRange(0, self.player.duration() / 1000)

        self.labelTotalTime = QLabel('00:00')
        self.labelCurrentTime = QLabel('00:00')

        self.create_layout()
        self.create_connections()

        self.player.setVideoOutput(self.videoWidget)
        self.videoWidget.show()

    def create_layout(self):
        seekBarLayout = QHBoxLayout()
        seekBarLayout.addWidget(self.labelCurrentTime)
        seekBarLayout.addWidget(self.seekBar)
        seekBarLayout.addWidget(self.labelTotalTime)

        controlWithoutSeekBarLayout = QHBoxLayout()
        controlWithoutSeekBarLayout.setSpacing(1)
        controlWithoutSeekBarLayout.addWidget(self.play_button)
        controlWithoutSeekBarLayout.addWidget(self.stopButton)
        controlWithoutSeekBarLayout.addWidget(self.backwardButton)
        controlWithoutSeekBarLayout.addWidget(self.forwardButton)
        controlWithoutSeekBarLayout.addWidget(self.order_list)
        controlWithoutSeekBarLayout.addWidget(self.playback_rate_menu)
        controlWithoutSeekBarLayout.addStretch(stretch=2)
        controlWithoutSeekBarLayout.addWidget(self.muteButton)
        controlWithoutSeekBarLayout.addWidget(self.volumeBar)
        controlWithoutSeekBarLayout.addWidget(self.labelVolume,
                                              alignment=Qt.AlignRight)

        controlLayout = QVBoxLayout()
        controlLayout.addLayout(seekBarLayout)
        controlLayout.addLayout(controlWithoutSeekBarLayout)

        self.display_splitter.setOpaqueResize(False)
        self.display_splitter.addWidget(self.videoWidget)
        self.display_splitter.addWidget(self.playlist.widget)
        self.display_splitter.setSizes([300, 200])

        layout = QVBoxLayout()
        layout.setContentsMargins(11, 0, 11, 0)
        layout.addWidget(self.display_splitter, 1)
        layout.addLayout(controlLayout)
        layout.addWidget(self.repeat_control.ab_repeat_widget)
        layout.addWidget(self.statusInfoLabel)

        self.setLayout(layout)

    def create_connections(self):
        self.play_button.clicked.connect(self.optimal_play)
        self.stopButton.clicked.connect(self.stop)
        self.backwardButton.clicked.connect(self.skip_backward)
        self.forwardButton.clicked.connect(self.skip_forward)
        self.muteButton.clicked.connect(self.toggleMute)
        self.playback_rate_menu.currentTextChanged.connect(
            self.set_playback_rate)

        self.player.stateChanged.connect(self.playerStateChanged)
        self.player.mediaStatusChanged.connect(self.mediaStatusChanged)
        self.player.durationChanged.connect(self.durationChanged)
        self.player.positionChanged.connect(self.positionChanged)

        self.player.error.connect(self.handleError)

        self.volumeBar.sliderMoved.connect(self.setVolume)
        self.volumeBar.sliderReleased.connect(self.setVolume)
        self.volumeBar.valueChanged.connect(self.volumeChanged)

        self.seekBar.sliderMoved.connect(self.seek)
        self.seekBar.sliderReleased.connect(self.seekBarClicked)

        self.repeat_control.pos_exceeded.connect(self.seek)
        self.player.currentMediaChanged.connect(self.repeat_control.reset)

        self.playlist.double_clicked.connect(self.load_and_play)

        self.videoWidget.double_clicked.connect(self.no_future)

    def contextMenuEvent(self, event):
        self.context_menu.exec_(event.globalPos())

    def read_settings(self):
        settings = QSettings()
        settings.beginGroup('player')
        self.order_list.setCurrentIndex(settings.value('order_list', 0))
        self.display_splitter.restoreState(
            QByteArray(settings.value('splitter_sizes')))
        settings.endGroup()
        self.playlist.read_settings()

    def no_future(self):
        self.display_splitter.moveSplitter(0, 1)

    def autoplay(self):
        """メディアを読み込み、再生する。

        order_listに応じて、次に何を再生するかを決める。
        """
        i = self.order_list.currentIndex()
        if i == 1:
            # self.repeat_track()
            return
        elif i == 2:
            self.repeat_all()
        else:
            self.next_track()
        self.play()

    def optimal_play(self):
        if self.player.state() == QMediaPlayer.StoppedState:
            self.load_and_play()
        else:
            self.play()

    def load_and_play(self):
        self.load(self.playlist.get_new_one())
        self.play()

    def load(self, file_url: QUrl):
        if file_url is None:
            return None
        if file_url.isValid():
            c = QMediaContent(file_url)
            self.player.setMedia(c)
            self.media_loaded.emit(self.playlist.current_title())
            self.enableInterface()

    def play(self):
        if self.player.state() == QMediaPlayer.PlayingState:
            self.player.pause()
            return
        if self.player.mediaStatus() == QMediaPlayer.LoadingMedia or\
                self.player.mediaStatus() == QMediaPlayer.StalledMedia:
            QTimer.singleShot(600, self.player.play)

        self.player.play()
        self.playlist.update_listview()

    def stop(self):
        if not self.player.state() == QMediaPlayer.StoppedState:
            self.seek(0)
            self.player.stop()
            self.setStatusInfo('Stopped')
            self.stopped.emit('')

    def playerStateChanged(self, state):
        if state == QMediaPlayer.PlayingState:
            self.play_button.setIcon(self.style().standardIcon(
                QStyle.SP_MediaPause))
        else:
            self.play_button.setIcon(self.style().standardIcon(
                QStyle.SP_MediaPlay))

    def durationChanged(self, duration):
        self.repeat_control.set_duration(duration)
        duration /= 1000

        self.duration = duration

        totalTime = QTime((duration / 3600) % 60, (duration / 60) % 60,
                          (duration % 60), (duration * 1000) % 1000)

        format = 'hh:mm:ss' if duration > 3600 else 'mm:ss'
        totalTimeStr = totalTime.toString(format)

        self.labelTotalTime.setText(totalTimeStr)
        self.seekBar.setMaximum(duration)

    def positionChanged(self, progress):
        progress /= 1000

        self.updateCurrentTime(progress)
        self.seekBar.setValue(progress)

    def updateCurrentTime(self, currentInfo):
        if currentInfo:
            currentTime = QTime((currentInfo / 3600) % 60,
                                (currentInfo / 60) % 60, currentInfo % 60,
                                (currentInfo * 1000) % 1000)

            format = 'hh:mm:ss' if self.duration > 3600 else 'mm:ss'
            currentTimeStr = currentTime.toString(format)
        else:
            currentTimeStr = '00:00'

        self.labelCurrentTime.setText(currentTimeStr)

    def repeat_track(self):
        QTimer.singleShot(50, self.play)

    def repeat_all(self):
        if self.playlist.count() - 1 == self.playlist.current_row():
            url = self.playlist.first()
            self.load(url)
        else:
            self.next_track()

    def setVolume(self):
        self.player.setVolume(self.volumeBar.sliderPosition() * 2)

    def volumeChanged(self):
        self.labelVolume.setText(str(self.volumeBar.sliderPosition()))
        self.volume = self.volumeBar.sliderPosition()

    def seekBarClicked(self):
        self.seek(self.seekBar.sliderPosition())

    def seek(self, seconds):
        self.player.setPosition(seconds * 1000)

    def set_playback_rate(self, rate_text):
        self.player.setPlaybackRate(float(rate_text[:-1]))

    def toggleMute(self):
        if self.player.isMuted():
            self.player.setMuted(False)
            self.muteButton.setIcon(self.style().standardIcon(
                QStyle.SP_MediaVolume))
        else:
            self.player.setMuted(True)
            self.muteButton.setIcon(self.style().standardIcon(
                QStyle.SP_MediaVolumeMuted))

    def disableInterface(self):
        self.play_button.setEnabled(False)
        self.stopButton.setEnabled(False)
        self.backwardButton.setEnabled(False)
        self.forwardButton.setEnabled(False)
        self.labelCurrentTime.setText('00:00')
        self.labelTotalTime.setText('00:00')

    def enableInterface(self):
        self.play_button.setEnabled(True)
        self.stopButton.setEnabled(True)
        self.backwardButton.setEnabled(True)
        self.forwardButton.setEnabled(True)

    def mediaStatusChanged(self, status):
        if status == QMediaPlayer.LoadingMedia:
            self.setStatusInfo('Loading...')
        elif status == QMediaPlayer.BufferingMedia:
            self.setStatusInfo('Buffering')
        elif status == QMediaPlayer.EndOfMedia:
            # self.player.stop()
            self.autoplay()
        elif status == QMediaPlayer.InvalidMedia:
            self.handleError()
            #TODO: Step Forward を割り当てる

    def clearStatusInfo(self):
        self.statusInfoLabel.setText("")

    def handleError(self):
        self.disableInterface()
        self.setStatusInfo('Error: ' + self.player.errorString())

    def setStatusInfo(self, message, seconds=5):
        if not message == '':
            self.statusInfoLabel.setText(message)
            QTimer.singleShot(seconds * 1000, self.clearStatusInfo)

    def next_track(self):
        url = self.playlist.next()
        if url is None:
            return None
        else:
            self.load(url)

    def previous_track(self):
        url = self.playlist.previous()
        if url is None:
            return None
        else:
            self.load(url)

    def skip_forward(self):
        self.next_track()
        self.play()

    def skip_backward(self):
        if self.seekBar.sliderPosition() > 2:
            self.seek(0)
        else:
            self.previous_track()
            self.play()

    def forward(self, seconds):
        currentPosition = self.seekBar.sliderPosition()

        if currentPosition + seconds < self.duration:
            self.seek(currentPosition + seconds)
        else:
            self.seek(self.duration - 1)

    def backward(self, seconds):
        self.forward(-seconds)

    def forward_short(self):
        self.forward(SeekStep.SHORT)

    def forward_medium(self):
        self.forward(SeekStep.MEDIUM)

    def forward_long(self):
        self.forward(SeekStep.LONG)

    def forward_verylong(self):
        self.forward(SeekStep.VERYLONG)

    def backward_short(self):
        self.backward(SeekStep.SHORT)

    def backward_medium(self):
        self.backward(SeekStep.MEDIUM)

    def backward_long(self):
        self.backward(SeekStep.LONG)

    def backward_verylong(self):
        self.backward(SeekStep.VERYLONG)

    def dragEnterEvent(self, event):
        if event.mimeData().hasUrls():
            event.accept()

    def dragMoveEvent(self, event):
        if event.mimeData().hasUrls():
            event.accept()

    def dropEvent(self, event):
        if event.mimeData().hasUrls():
            urls = event.mimeData().urls()
            self.load(urls[0])
            # self.stop()
            self.play()
Пример #3
0
class VideoWindow(QMainWindow):
    def __init__(self, parent=None):
        super(VideoWindow, self).__init__(parent)
        self.setWindowTitle(
            "PyQt Video Player Widget Example - pythonprogramminglanguage.com")

        self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)

        videoWidget = QVideoWidget()

        self.playButton = QPushButton()
        self.playButton.setEnabled(False)
        self.playButton.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
        self.playButton.clicked.connect(self.play)

        self.positionSlider = QSlider(Qt.Horizontal)
        self.positionSlider.setRange(0, 0)
        self.positionSlider.sliderMoved.connect(self.setPosition)

        self.errorLabel = QLabel()
        self.errorLabel.setSizePolicy(QSizePolicy.Preferred,
                                      QSizePolicy.Maximum)

        # Create new action
        openAction = QAction(QIcon('open.png'), '&Open', self)
        openAction.setShortcut('Ctrl+O')
        openAction.setStatusTip('Open movie')
        openAction.triggered.connect(self.openFile)

        # Create exit action
        exitAction = QAction(QIcon('exit.png'), '&Exit', self)
        exitAction.setShortcut('Ctrl+Q')
        exitAction.setStatusTip('Exit application')
        exitAction.triggered.connect(self.exitCall)

        # Create menu bar and add action
        menuBar = self.menuBar()
        fileMenu = menuBar.addMenu('&File')
        #fileMenu.addAction(newAction)
        fileMenu.addAction(openAction)
        fileMenu.addAction(exitAction)

        # Create a widget for window contents
        wid = QWidget(self)
        self.setCentralWidget(wid)

        # Create layouts to place inside widget
        controlLayout = QHBoxLayout()
        controlLayout.setContentsMargins(0, 0, 0, 0)
        controlLayout.addWidget(self.playButton)
        controlLayout.addWidget(self.positionSlider)

        layout = QVBoxLayout()
        layout.addWidget(videoWidget)
        layout.addLayout(controlLayout)
        layout.addWidget(self.errorLabel)

        # Set widget to contain window contents
        wid.setLayout(layout)

        self.mediaPlayer.setVideoOutput(videoWidget)
        self.mediaPlayer.stateChanged.connect(self.mediaStateChanged)
        self.mediaPlayer.positionChanged.connect(self.positionChanged)
        self.mediaPlayer.durationChanged.connect(self.durationChanged)
        self.mediaPlayer.error.connect(self.handleError)

    def openFile(self):
        fileName, _ = QFileDialog.getOpenFileName(self, "Open Movie",
                                                  QDir.homePath())

        if fileName != '':
            self.mediaPlayer.setMedia(
                QMediaContent(QUrl.fromLocalFile(fileName)))
            self.playButton.setEnabled(True)

    def exitCall(self):
        sys.exit(app.exec_())

    def play(self):
        if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
            self.mediaPlayer.pause()
        else:
            self.mediaPlayer.play()

    def mediaStateChanged(self, state):
        if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
            self.playButton.setIcon(self.style().standardIcon(
                QStyle.SP_MediaPause))
        else:
            self.playButton.setIcon(self.style().standardIcon(
                QStyle.SP_MediaPlay))

    def positionChanged(self, position):
        self.positionSlider.setValue(position)

    def durationChanged(self, duration):
        self.positionSlider.setRange(0, duration)

    def setPosition(self, position):
        self.mediaPlayer.setPosition(position)

    def handleError(self):
        self.playButton.setEnabled(False)
        self.errorLabel.setText("Error: " + self.mediaPlayer.errorString())