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import os
import sys
from PyQt5.QtWidgets import QPushButton, QVBoxLayout, QWidget,QLineEdit,QLabel,QSlider,QHBoxLayout,QFileDialog,QApplication
from PyQt5.QtGui import QIcon,QPalette,QCursor
from PyQt5.QtCore import Qt,QRect,QSize,QUrl
from PyQt5.QtMultimediaWidgets import QVideoWidget
from PyQt5.QtMultimedia import QMediaPlayer,QMediaContent
class VideoPlayer(QWidget):
def __init__(self, parent=None, **kwargs):
super(VideoPlayer, self).__init__(parent)
# 初始化窗口
self.setWindowTitle('专属视频播放器 ')
self.setWindowIcon(QIcon(os.path.join(os.getcwd(), 'images/icon.png')))
self.setGeometry(300, 50, 810, 600)
self.setWindowFlags(Qt.WindowCloseButtonHint | Qt.WindowMinimizeButtonHint)
palette = QPalette()
palette.setColor(QPalette.Background, Qt.gray)
self.setPalette(palette)
# 定义组件
# --视频播放插件
self.video_widget = QVideoWidget(self)
self.video_widget.setGeometry(QRect(5, 5, 800, 520))
palette = QPalette()
palette.setColor(QPalette.Background, Qt.black)
self.video_widget.setPalette(palette)
self.video_widget.setStyleSheet('background-color:#000000')
self.player = QMediaPlayer(self)
self.player.setVideoOutput(self.video_widget)
self.player.setVolume(50)
# --当前的视频路径
self.video_line_edit = QLineEdit('')
# --选择视频按钮
self.select_video_btn = QPushButton('选择')
# --播放按钮
self.play_btn = QPushButton(self)
self.play_btn.setIcon(QIcon(os.path.join(os.getcwd(), r'images/play.png')))
self.play_btn.setIconSize(QSize(25, 25))
self.play_btn.setStyleSheet('''QPushButton{border:none;}QPushButton:hover{border:none;border-radius:35px;}''')
self.play_btn.setCursor(QCursor(Qt.PointingHandCursor))
self.play_btn.setToolTip('播放')
self.play_btn.setFlat(True)
# --暂停按钮
self.pause_btn = QPushButton('')
self.pause_btn.setIcon(QIcon(os.path.join(os.getcwd(), r'images/pause.png')))
self.pause_btn.setIconSize(QSize(25, 25))
self.pause_btn.setStyleSheet('''QPushButton{border:none;}QPushButton:hover{border:none;}''')
self.pause_btn.setCursor(QCursor(Qt.PointingHandCursor))
self.pause_btn.setToolTip('暂停')
self.pause_btn.setFlat(True)
self.pause_btn.hide()
# --播放进度
self.play_progress_label = QLabel('00:00 / 00: 00')
self.play_progress_slider = QSlider(Qt.Horizontal, self)
self.play_progress_slider.setMinimum(0)
self.play_progress_slider.setSingleStep(1)
self.play_progress_slider.setGeometry(QRect(0, 0, 200, 10))
# --音量控制
self.volume_slider = QSlider(Qt.Horizontal)
self.volume_slider.setMinimum(0)
self.volume_slider.setMaximum(100)
self.volume_slider.setValue(50)
self.mute_btn = QPushButton('')
self.mute_btn.setIcon(QIcon(os.path.join(os.getcwd(), 'images/sound.png')))
self.mute_btn.setIconSize(QSize(25, 25))
self.mute_btn.setStyleSheet('''QPushButton{border:none;}QPushButton:hover{border:none;}''')
self.mute_btn.setCursor(QCursor(Qt.PointingHandCursor))
self.mute_btn.setToolTip('禁音')
self.mute_btn.setFlat(True)
self.volume_label = QLabel('50')
# --布局
v_layout = QVBoxLayout()
v_layout.setSpacing(0)
v_layout.addStretch()
h_layout = QHBoxLayout()
h_layout.setSpacing(15)
h_layout.addWidget(self.video_line_edit, 2, Qt.AlignVCenter | Qt.AlignVCenter)
h_layout.addWidget(self.select_video_btn, 0, Qt.AlignCenter | Qt.AlignVCenter)
v_layout.addLayout(h_layout)
h_layout = QHBoxLayout()
h_layout.setSpacing(2)
h_layout.addWidget(self.play_btn, 0, Qt.AlignCenter | Qt.AlignVCenter)
h_layout.addWidget(self.pause_btn, 0, Qt.AlignCenter | Qt.AlignVCenter)
h_layout.addWidget(self.play_progress_label, 0, Qt.AlignCenter | Qt.AlignVCenter)
h_layout.addWidget(self.play_progress_slider, 15, Qt.AlignVCenter | Qt.AlignVCenter)
h_layout.addWidget(self.mute_btn, 0, Qt.AlignCenter | Qt.AlignVCenter)
h_layout.addWidget(self.volume_slider, 0, Qt.AlignCenter | Qt.AlignVCenter)
h_layout.addWidget(self.volume_label, 0, Qt.AlignCenter | Qt.AlignVCenter)
v_layout.addLayout(h_layout)
self.setLayout(v_layout)
# 事件绑定
self.player.durationChanged.connect(self.setVideoLength)
self.player.positionChanged.connect(self.setPlayProgress)
self.select_video_btn.clicked.connect(self.openvideo)
self.play_btn.clicked.connect(self.playvideo)
self.pause_btn.clicked.connect(self.pausevideo)
self.mute_btn.clicked.connect(self.mute)
self.volume_slider.valueChanged.connect(self.setVolume)
self.play_progress_slider.sliderPressed.connect(self.playProgressSliderPressed)
self.play_progress_slider.sliderReleased.connect(self.playProgressSliderReleased)
'''播放进度条按下ing事件'''
def playProgressSliderPressed(self):
if self.player.state() != 0: self.player.pause()
'''播放进度条按下释放事件'''
def playProgressSliderReleased(self):
if self.player.state() != 0:
self.player.setPosition(self.play_progress_slider.value())
self.player.play()
'''播放视频'''
def playvideo(self):
if self.player.duration() == 0: return
self.play_btn.hide()
self.pause_btn.show()
self.player.play()
'''暂停视频'''
def pausevideo(self):
if self.player.duration() == 0: return
self.play_btn.show()
self.pause_btn.hide()
self.player.pause()
'''禁音'''
def mute(self):
if self.player.isMuted():
self.mute_btn.setIcon(QIcon(os.path.join(os.getcwd(), 'images/sound.png')))
self.player.setMuted(False)
self.volume_label.setText('50')
self.volume_slider.setValue(50)
self.player.setVolume(50)
else:
self.player.setMuted(True)
self.volume_label.setText('0')
self.volume_slider.setValue(0)
self.mute_btn.setIcon(QIcon(os.path.join(os.getcwd(), 'images/mute.png')))
'''打开视频文件'''
def openvideo(self):
# 打开并显示视频路径
filepath = QFileDialog.getOpenFileName(self, '请选择视频', '.')
if filepath[0]:
self.video_line_edit.setText(filepath[0])
# 将视频路径初始化进视频播放插件
filepath = self.video_line_edit.text()
if not os.path.exists(filepath): return
fileurl = QUrl.fromLocalFile(filepath)
if fileurl.isValid():
self.player.setMedia(QMediaContent(fileurl))
self.player.setVolume(50)
'''设置音量'''
def setVolume(self):
value = self.volume_slider.value()
if value:
self.player.setMuted(False)
self.player.setVolume(value)
self.volume_label.setText(str(value))
self.volume_slider.setValue(value)
self.mute_btn.setIcon(QIcon(os.path.join(os.getcwd(), 'images/sound.png')))
else:
self.player.setMuted(True)
self.volume_label.setText('0')
self.volume_slider.setValue(0)
self.mute_btn.setIcon(QIcon(os.path.join(os.getcwd(), 'images/mute.png')))
'''播放进度设置'''
def setPlayProgress(self):
_, right = self.play_progress_label.text().split('/')
position = self.player.position() + 1
second = int(position / 1000 % 60)
minute = int(position / 1000 / 60)
left = str(minute).zfill(2) + ':' + str(second).zfill(2)
self.play_progress_label.setText(left + ' /' + right)
self.play_progress_slider.setValue(position)
'''视频时长显示更改'''
def setVideoLength(self):
left, _ = self.play_progress_label.text().split('/')
duration = self.player.duration()
self.play_progress_slider.setMaximum(duration)
second = int(duration / 1000 % 60)
minute = int(duration / 1000 / 60)
right = str(minute).zfill(2) + ':' + str(second).zfill(2)
self.play_progress_label.setText(left + '/ ' + right)
'''关闭窗口'''
def closeEvent(self, event):
self.player.stop()
'''改变窗口大小'''
def resizeEvent(self, event):
size = event.size()
self.video_widget.setGeometry(5, 5, size.width() - 5, size.height() - 80)
if __name__ == '__main__':
app = QApplication(sys.argv)
player = VideoPlayer()
player.show()
sys.exit(app.exec_())
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发表于 2024-3-10 18:11
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发表于 2024-3-10 18:14
