mirror of
https://github.com/wang-bin/QtAV.git
synced 2026-10-16 20:21:20 +08:00
Aron Bierbaum
84 lines
2.7 KiB
Python
84 lines
2.7 KiB
Python
import sys
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from PyQt5 import QtCore, QtGui, QtWidgets
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import QtAV, QtAVWidgets
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class PlayerWindow(QtWidgets.QWidget):
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def __init__(self, parent = None):
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QtWidgets.QWidget.__init__(self, parent)
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self.m_unit = 1000.0
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self.setWindowTitle("QtAV simple player example")
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self.m_player = QtAV.AVPlayer(self)
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vl = QtWidgets.QVBoxLayout()
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self.setLayout(vl)
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self.m_vo = QtAV.VideoOutput(self)
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if self.m_vo.widget() is None:
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QtWidgets.QMessageBox.warning(0, "QtAV error", "Can not create video renderer")
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return
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self.m_player.setRenderer(self.m_vo)
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vl.addWidget(self.m_vo.widget())
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self.m_slider = QtWidgets.QSlider()
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self.m_slider.setOrientation(QtCore.Qt.Horizontal)
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self.m_slider.sliderMoved[int].connect(self.seekBySliderVal)
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self.m_slider.sliderPressed.connect(self.seekBySlider)
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self.m_player.positionChanged.connect(self.updateSliderVal)
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self.m_player.started.connect(self.updateSlider)
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self.m_player.notifyIntervalChanged.connect(self.updateSliderUnit)
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vl.addWidget(self.m_slider)
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hb = QtWidgets.QHBoxLayout()
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vl.addLayout(hb)
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self.m_openBtn = QtWidgets.QPushButton("Open")
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self.m_playBtn = QtWidgets.QPushButton("Play/Pause")
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self.m_stopBtn = QtWidgets.QPushButton("Stop")
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hb.addWidget(self.m_openBtn)
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hb.addWidget(self.m_playBtn)
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hb.addWidget(self.m_stopBtn)
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self.m_openBtn.clicked.connect(self.openMedia)
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self.m_playBtn.clicked.connect(self.playPause)
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self.m_stopBtn.clicked.connect(self.m_player.stop)
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def openMedia(self):
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fname = QtWidgets.QFileDialog.getOpenFileName(None, "Open a video")[0]
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if not fname:
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return
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self.m_player.play(fname)
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def seekBySliderVal(self, value):
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if not self.m_player.isPlaying():
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return
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self.m_player.seek(int(value * self.m_unit))
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def seekBySlider(self):
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self.seekBySliderVal(self.m_slider.value())
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def playPause(self):
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if not self.m_player.isPlaying():
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self.m_player.play()
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return
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self.m_player.pause(not self.m_player.isPaused())
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def updateSliderVal(self, value):
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self.m_slider.setRange(0, int(self.m_player.duration() / self.m_unit))
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self.m_slider.setValue(int(value / self.m_unit))
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def updateSlider(self):
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self.updateSliderVal(self.m_player.position())
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def updateSliderUnit(self):
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self.m_unit = float(self.m_player.notifyInterval())
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self.updateSlider()
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if __name__ == "__main__":
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QtAVWidgets.registerRenderers()
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app = QtWidgets.QApplication(sys.argv)
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player = PlayerWindow()
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player.show()
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player.resize(800, 600)
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app.exec_()
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