首页下载资源后端实现流媒体播放器uuuuuuuuuuu

ZIP实现流媒体播放器uuuuuuuuuuu

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资源文件列表:

bofang_try.zip 大约有14个文件
  1. bofang_try/
  2. bofang_try/.idea/
  3. bofang_try/.idea/.gitignore 50B
  4. bofang_try/.idea/bofang_try.iml 340B
  5. bofang_try/.idea/inspectionProfiles/
  6. bofang_try/.idea/inspectionProfiles/profiles_settings.xml 174B
  7. bofang_try/.idea/misc.xml 314B
  8. bofang_try/.idea/modules.xml 279B
  9. bofang_try/.idea/workspace.xml 3.53KB
  10. bofang_try/__pycache__/
  11. bofang_try/__pycache__/play.cpython-38.pyc 1.93KB
  12. bofang_try/main.py 3.49KB
  13. bofang_try/play.py 3.24KB
  14. bofang_try/play.ui 2.99KB

资源介绍:

实现流媒体播放器uuuuuuuuuuu
from PyQt5 import QtCore, QtGui, QtWidgets import sys import cv2 from PyQt5.QtCore import Qt, QTimer from PyQt5.QtGui import QImage, QPixmap from play import Ui_MainWindow # 假设你的 UI 文件名为 play.py，生成的类为 Ui_MainWindow class VideoPlayer(QtWidgets.QMainWindow): def __init__(self): super().__init__() # 设置界面 self.ui = Ui_MainWindow() self.ui.setupUi(self) # 设置按钮连接 self.ui.select.clicked.connect(self.open_video_folder) self.ui.pushButton_2.clicked.connect(self.toggle_play_pause) self.playing = False # 初始化视频相关变量 self.video_path = "" self.video_capture = None self.timer = QTimer(self) self.timer.timeout.connect(self.update_frame) self.current_frame = None #进度条 self.ui.horizontalSlider.sliderMoved.connect(self.set_video_position) def open_video_folder(self): self.video_path, _ = QtWidgets.QFileDialog.getOpenFileName(self, "选择视频文件", "", "视频文件 (*.mp4 *.avi)") if self.video_path: self.start_video() def start_video(self): self.video_capture = cv2.VideoCapture(self.video_path) total_frames = int(self.video_capture.get(cv2.CAP_PROP_FRAME_COUNT)) self.ui.horizontalSlider.setMinimum(0) self.ui.horizontalSlider.setMaximum(total_frames - 1) self.timer.start(30) # 设置更新频率，单位毫秒 self.playing = True # 开始播放视频时，设置 playing 为 True def update_frame(self): if self.playing: ret, frame = self.video_capture.read() if ret: self.current_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) h, w, ch = self.current_frame.shape bytes_per_line = ch * w qt_img = QImage(self.current_frame.data, w, h, bytes_per_line, QImage.Format_RGB888) pixmap = QPixmap.fromImage(qt_img) self.ui.player.setPixmap(pixmap.scaled(self.ui.player.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation)) else: self.timer.stop() self.video_capture.release() print("视频播放完毕！") def toggle_play_pause(self): if self.playing: # 如果正在播放，则暂停 print("Pausing playback") self.playing = False # 设置播放状态为 False，不再更新帧 else: # 如果已经暂停，则继续播放 print("Resuming playback") self.playing = True # 设置播放状态为 True，继续更新帧 def set_video_position(self, position): self.video_capture.set(cv2.CAP_PROP_POS_FRAMES, position) ret, frame = self.video_capture.read() print(ret) if ret: self.current_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) h, w, ch = self.current_frame.shape bytes_per_line = ch * w qt_img = QImage(self.current_frame.data, w, h, bytes_per_line, QImage.Format_RGB888) pixmap = QPixmap.fromImage(qt_img) self.ui.player.setPixmap(pixmap.scaled(self.ui.player.size(), Qt.KeepAspectRatio, Qt.SmoothTransformation)) def main(): app = QtWidgets.QApplication(sys.argv) window = VideoPlayer() window.show() sys.exit(app.exec_()) if __name__ == "__main__": main()
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