|
| 1 | +import sys,os |
| 2 | +try: |
| 3 | + import vlc |
| 4 | +except Exception: |
| 5 | + from ctypes import cdll |
| 6 | + cdll.LoadLibrary(os.path.join(os.getcwd(),"libvlc.dll")) |
| 7 | + import vlc |
| 8 | +from PySide6.QtWidgets import ( |
| 9 | + QApplication, |
| 10 | + QMainWindow, |
| 11 | + QWidget, |
| 12 | + QVBoxLayout, |
| 13 | + QPushButton, |
| 14 | + QLabel, |
| 15 | + QHBoxLayout, |
| 16 | + QTabWidget, |
| 17 | +) |
| 18 | +from PySide6.QtCore import Qt, QSize |
| 19 | +from PySide6.QtGui import QResizeEvent |
| 20 | +from PySide6 import QtCore, QtWidgets |
| 21 | + |
| 22 | + |
| 23 | +class VLCVideoWidget(QWidget): |
| 24 | + """独立的VLC视频播放组件，可嵌入入任何Qt窗口""" |
| 25 | + |
| 26 | + def __init__(self, parent=None): |
| 27 | + super().__init__(parent) |
| 28 | + self.instance = vlc.Instance( |
| 29 | + [ |
| 30 | + "--no-xlib", # 避免X11相关问题 |
| 31 | + "--no-video-title-show", # 禁用标题显示 |
| 32 | + "--avcodec-skip-frame=0", # 不跳过任何帧 |
| 33 | + "--avcodec-skip-idct=0", # 不跳过IDCT步骤 |
| 34 | + ] |
| 35 | + ) |
| 36 | + if not self.instance: |
| 37 | + QtWidgets.QMessageBox.critical( |
| 38 | + self, |
| 39 | + self.tr("Can't load vlc player"), |
| 40 | + self.tr( |
| 41 | + "To preview video asset,you should install VLC Media Player at first." |
| 42 | + ), |
| 43 | + ) |
| 44 | + return |
| 45 | + self.media_player = self.instance.media_player_new() |
| 46 | + |
| 47 | + # 初始化UI |
| 48 | + self.init_ui() |
| 49 | + |
| 50 | + # 绑定VLC播放器到窗口 |
| 51 | + self.bind_player_to_widget() |
| 52 | + |
| 53 | + def init_ui(self): |
| 54 | + """初始化播放控件UI""" |
| 55 | + # 视频显示区域 |
| 56 | + self.video_frame = QWidget() |
| 57 | + self.video_frame.setStyleSheet("background-color: black;") |
| 58 | + self.video_frame.setMinimumSize(640, 360) |
| 59 | + |
| 60 | + # 控制按钮 |
| 61 | + self.play_btn = QPushButton("Play") # ("播放") |
| 62 | + self.play_btn.clicked.connect(self.toggle_play) |
| 63 | + self.stop_btn = QPushButton("Stop") # ("停止") |
| 64 | + self.stop_btn.clicked.connect(self.stop) |
| 65 | + |
| 66 | + # 状态显示 |
| 67 | + self.status_label = QLabel("Ready") # ("就绪") |
| 68 | + self.status_label.setAlignment(Qt.AlignCenter) |
| 69 | + |
| 70 | + # 布局管理 |
| 71 | + control_layout = QHBoxLayout() |
| 72 | + control_layout.addWidget(self.play_btn) |
| 73 | + control_layout.addWidget(self.stop_btn) |
| 74 | + |
| 75 | + main_layout = QVBoxLayout(self) |
| 76 | + main_layout.addWidget(self.video_frame) |
| 77 | + main_layout.addLayout(control_layout) |
| 78 | + main_layout.addWidget(self.status_label) |
| 79 | + |
| 80 | + self.setLayout(main_layout) |
| 81 | + |
| 82 | + def bind_player_to_widget(self): |
| 83 | + """将VLC播放器绑定到当前窗口部件""" |
| 84 | + if sys.platform.startswith("win"): |
| 85 | + self.media_player.set_hwnd(self.video_frame.winId()) |
| 86 | + elif sys.platform.startswith("linux"): |
| 87 | + self.media_player.set_xwindow(self.video_frame.winId()) |
| 88 | + elif sys.platform.startswith("darwin"): |
| 89 | + self.media_player.set_nsobject(int(self.video_frame.winId())) |
| 90 | + |
| 91 | + def load_video(self, url): |
| 92 | + """加载视频（支持本地文件路径或网络URL）""" |
| 93 | + if not self.instance: |
| 94 | + return |
| 95 | + if url.startswith(("http://", "https://", "rtsp://")): |
| 96 | + self.status_label.setText( |
| 97 | + f"Loaded video" #:{url.split('/')[-1]}" |
| 98 | + ) # (f"加载网络视频: {url.split('/')[-1]}") |
| 99 | + media = self.instance.media_new(url) |
| 100 | + else: |
| 101 | + self.status_label.setText( |
| 102 | + f"Loaded video" #:{url.split('/')[-1]}" |
| 103 | + ) # (f"加载本地视频: {url.split('/')[-1]}") |
| 104 | + media = self.instance.media_new(url) |
| 105 | + |
| 106 | + self.media_player.set_media(media) |
| 107 | + media.parse() # 解析媒体信息 |
| 108 | + |
| 109 | + def toggle_play(self): |
| 110 | + """切换播放/暂停状态""" |
| 111 | + if self.media_player.is_playing(): |
| 112 | + self.media_player.pause() |
| 113 | + self.play_btn.setText("Play") # ("播放") |
| 114 | + self.status_label.setText("Paused") # ("已暂停") |
| 115 | + else: |
| 116 | + self.media_player.play() |
| 117 | + self.play_btn.setText("Pause") # ("暂停") |
| 118 | + self.status_label.setText("Playing...") # ("播放中...") |
| 119 | + |
| 120 | + def stop(self): |
| 121 | + """停止播放""" |
| 122 | + self.media_player.stop() |
| 123 | + self.play_btn.setText("Play") # ("播放") |
| 124 | + self.status_label.setText("Stopped") # ("已停止") |
| 125 | + |
| 126 | + def resizeEvent(self, event: QResizeEvent): |
| 127 | + """窗口大小改变时自适应调整视频""" |
| 128 | + if self.media_player: |
| 129 | + self.media_player.video_set_scale(0) # 0表示自适应窗口大小 |
| 130 | + super().resizeEvent(event) |
| 131 | + |
| 132 | + def closeEvent(self, event): |
| 133 | + """关闭时释放资源""" |
| 134 | + self.media_player.stop() |
| 135 | + event.accept() |
| 136 | + |
| 137 | + def getPlayProgress(self): |
| 138 | + """获取播放进度""" |
| 139 | + return (self.media_player.get_time(), self.media_player.get_length()) |
| 140 | + |
| 141 | + def setPlayProgress(self, playprogress: int): |
| 142 | + """设置播放进度""" |
| 143 | + current = self.media_player.get_time() |
| 144 | + total = self.media_player.get_length() |
| 145 | + |
| 146 | + if playprogress < current: |
| 147 | + # 用停止法了事得了 |
| 148 | + self.media_player.stop() |
| 149 | + self.media_player.play() |
| 150 | + self.media_player.set_time(playprogress) |
| 151 | + else: |
| 152 | + # 向后拖动直接设置 |
| 153 | + self.media_player.set_time(playprogress) |
| 154 | + |
| 155 | + # 恢复播放 |
| 156 | + if self.media_player.is_playing(): |
| 157 | + self.media_player.play() |
| 158 | + |
| 159 | + |
| 160 | +# 示例：在不同窗口中引用视频组件 |
| 161 | +class MainWindow(QMainWindow): |
| 162 | + def __init__(self): |
| 163 | + super().__init__() |
| 164 | + self.setWindowTitle("视频组件复用示例") |
| 165 | + self.setGeometry(100, 100, 1280, 720) |
| 166 | + |
| 167 | + # 创建标签页演示多窗口复用 |
| 168 | + self.tabs = QTabWidget() |
| 169 | + |
| 170 | + # 第一个标签页：播放测试视频 |
| 171 | + self.tab1 = QWidget() |
| 172 | + self.tab1_layout = QVBoxLayout(self.tab1) |
| 173 | + self.video_player1 = VLCVideoWidget() |
| 174 | + self.video_player1.load_video( |
| 175 | + "https://test-videos.co.uk/vids/bigbuckbunny/mp4/h264/720/Big_Buck_Bunny_720_10s_1MB.mp4" |
| 176 | + ) |
| 177 | + self.tab1_layout.addWidget(self.video_player1) |
| 178 | + |
| 179 | + # 第二个标签页：预留的另一个播放器 |
| 180 | + self.tab2 = QWidget() |
| 181 | + self.tab2_layout = QVBoxLayout(self.tab2) |
| 182 | + self.video_player2 = VLCVideoWidget() |
| 183 | + self.tab2_layout.addWidget(self.video_player2) |
| 184 | + self.tab2_layout.addWidget(QLabel("在此处可加载其他视频")) |
| 185 | + |
| 186 | + # 添加标签页 |
| 187 | + self.tabs.addTab(self.tab1, "测试视频") |
| 188 | + self.tabs.addTab(self.tab2, "备用播放器") |
| 189 | + |
| 190 | + self.setCentralWidget(self.tabs) |
| 191 | + |
| 192 | + |
| 193 | +class SecondWindow(QMainWindow): |
| 194 | + """另一个窗口，同样可以引用视频组件""" |
| 195 | + |
| 196 | + def __init__(self): |
| 197 | + super().__init__() |
| 198 | + self.setWindowTitle("第二个窗口中的视频播放器") |
| 199 | + self.setGeometry(200, 200, 960, 540) |
| 200 | + |
| 201 | + self.video_player = VLCVideoWidget() |
| 202 | + self.setCentralWidget(self.video_player) |
| 203 | + |
| 204 | + |
| 205 | +if __name__ == "__main__": |
| 206 | + app = QApplication(sys.argv) |
| 207 | + |
| 208 | + # 显示主窗口 |
| 209 | + main_window = MainWindow() |
| 210 | + main_window.show() |
| 211 | + |
| 212 | + # 显示第二个窗口（演示多窗口复用） |
| 213 | + second_window = SecondWindow() |
| 214 | + second_window.show() |
| 215 | + |
| 216 | + sys.exit(app.exec()) |
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