如何在pyqt中播放视频 [英] How to play videos in pyqt
本文介绍了如何在pyqt中播放视频的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想根据此功能中的选择文件播放视频文件:
I want to play video files depending the select file in this function:
def abrir():
QFileDialog.getOpenFileName(None, ("Selecciona los medios"),
os.getcwd(),
("Video Files (*.avi *.mp4 *.flv)"))
我的问题是我必须使用什么 opcion 或在 pyqt 中播放视频文件的模块
My Question is what opcion i have to use or what module to play video files in pyqt
要玩 S. Nick 的代码,我必须安装 K lite 代码
To play the code of S. Nick I hace to install K lite code
推荐答案
试试看:
from PyQt5.QtGui import QIcon, QFont
from PyQt5.QtCore import QDir, Qt, QUrl, QSize
from PyQt5.QtMultimedia import QMediaContent, QMediaPlayer
from PyQt5.QtMultimediaWidgets import QVideoWidget
from PyQt5.QtWidgets import (QApplication, QFileDialog, QHBoxLayout, QLabel,
QPushButton, QSizePolicy, QSlider, QStyle, QVBoxLayout, QWidget, QStatusBar)
class VideoPlayer(QWidget):
def __init__(self, parent=None):
super(VideoPlayer, self).__init__(parent)
self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
btnSize = QSize(16, 16)
videoWidget = QVideoWidget()
openButton = QPushButton("Open Video")
openButton.setToolTip("Open Video File")
openButton.setStatusTip("Open Video File")
openButton.setFixedHeight(24)
openButton.setIconSize(btnSize)
openButton.setFont(QFont("Noto Sans", 8))
openButton.setIcon(QIcon.fromTheme("document-open", QIcon("D:/_Qt/img/open.png")))
openButton.clicked.connect(self.abrir)
self.playButton = QPushButton()
self.playButton.setEnabled(False)
self.playButton.setFixedHeight(24)
self.playButton.setIconSize(btnSize)
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.statusBar = QStatusBar()
self.statusBar.setFont(QFont("Noto Sans", 7))
self.statusBar.setFixedHeight(14)
controlLayout = QHBoxLayout()
controlLayout.setContentsMargins(0, 0, 0, 0)
controlLayout.addWidget(openButton)
controlLayout.addWidget(self.playButton)
controlLayout.addWidget(self.positionSlider)
layout = QVBoxLayout()
layout.addWidget(videoWidget)
layout.addLayout(controlLayout)
layout.addWidget(self.statusBar)
self.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)
self.statusBar.showMessage("Ready")
def abrir(self):
fileName, _ = QFileDialog.getOpenFileName(self, "Selecciona los mediose",
".", "Video Files (*.mp4 *.flv *.ts *.mts *.avi)")
if fileName != '':
self.mediaPlayer.setMedia(
QMediaContent(QUrl.fromLocalFile(fileName)))
self.playButton.setEnabled(True)
self.statusBar.showMessage(fileName)
self.play()
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.statusBar.showMessage("Error: " + self.mediaPlayer.errorString())
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
player = VideoPlayer()
player.setWindowTitle("Player")
player.resize(600, 400)
player.show()
sys.exit(app.exec_())
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