{"id":2489,"date":"2025-05-20T06:00:18","date_gmt":"2025-05-19T22:00:18","guid":{"rendered":"https:\/\/www.wunen.com\/index.php\/2025\/05\/20\/python%e5%bc%80%e5%8f%91%e7%bd%91%e9%a1%b5%e8%a7%86%e9%a2%91%e6%92%ad%e6%94%be%e5%99%a8_%e6%9a%b4%e9%a3%8e%e5%bd%b1%e9%9f%b3%e6%b2%a1%e4%ba%86%ef%bc%8c%e6%88%91%e4%bb%ac%e5%b0%b1%e7%94%a8python\/"},"modified":"2025-05-20T06:00:18","modified_gmt":"2025-05-19T22:00:18","slug":"python%e5%bc%80%e5%8f%91%e7%bd%91%e9%a1%b5%e8%a7%86%e9%a2%91%e6%92%ad%e6%94%be%e5%99%a8_%e6%9a%b4%e9%a3%8e%e5%bd%b1%e9%9f%b3%e6%b2%a1%e4%ba%86%ef%bc%8c%e6%88%91%e4%bb%ac%e5%b0%b1%e7%94%a8python","status":"publish","type":"post","link":"http:\/\/www.wunen.com\/index.php\/2025\/05\/20\/python%e5%bc%80%e5%8f%91%e7%bd%91%e9%a1%b5%e8%a7%86%e9%a2%91%e6%92%ad%e6%94%be%e5%99%a8_%e6%9a%b4%e9%a3%8e%e5%bd%b1%e9%9f%b3%e6%b2%a1%e4%ba%86%ef%bc%8c%e6%88%91%e4%bb%ac%e5%b0%b1%e7%94%a8python\/","title":{"rendered":"python\u5f00\u53d1\u7f51\u9875\u89c6\u9891\u64ad\u653e\u5668_\u66b4\u98ce\u5f71\u97f3\u6ca1\u4e86\uff0c\u6211\u4eec\u5c31\u7528Python\u505a\u4e2a\u64ad\u653e\u5668\u5427"},"content":{"rendered":"<div class=\"article_content clearfix\" id=\"article_content\">\n <link href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/kdoc_html_views-1a98987dfd.css\" rel=\"stylesheet\"\/>\n <link href=\"https:\/\/csdnimg.cn\/release\/blogv2\/dist\/mdeditor\/css\/editerView\/ck_htmledit_views-704d5b9767.css\" rel=\"stylesheet\"\/>\n<div class=\"htmledit_views atom-one-dark\" id=\"content_views\">\n<div style=\"font-size:16px;\">\n<p align=\"center\">\n<p>\n    \u89c6\u9891\u64ad\u653e\u5728\u7f16\u7a0b\u9886\u57df\u5f80\u5f80\u542c\u7740\u662f\u9ad8\u5927\u4e0a\u7684\u6280\u672f\uff0c\u56e0\u4e3a\u5382\u5546\u548c\u89c6\u9891\u683c\u5f0f\u592a\u591a\u592a\u6742\u4e86\u3002\u4f46\u725b\u4eba\u7684\u4e16\u754c\u6211\u4eec\u662f\u4ece\u6765\u4e0d\u61c2\u7684\uff0cffmpeg\u5c31\u662f\u4e2a\u725b\u4eba\u6253\u9020\u7684\u6846\u67b6\uff0c\u57fa\u672c\u5e02\u9762\u4e0a\u516b\u6210\u7684\u64ad\u653e\u5668\u90fd\u662f\u57fa\u4e8effmpeg\u7684\u5c01\u88c5\u3002\u90a3\u6211\u4eec\u4e5f\u6765\u505a\u4e00\u4e2a\u5427\u3002\n   <\/p>\n<p>\n    \u968f\u4fbf\u641c\u641c\u5c31\u627e\u5230\u4e86FFPlayer\u8fd9\u4e2a\u5e93\uff0c\u4f7f\u7528\u4e5f\u5f88\u7b80\u5355\uff0c\u7ed9\u5b9a\u6587\u4ef6\u540e\u5c31\u53ef\u4ee5\u53d6\u51fa\u6bcf\u5e27\u7684\u5b57\u8282\u3002\n   <\/p>\n<p>\n    from ffpyplayer.player import MediaPlayer\n   <\/p>\n<p>\n    import time\n   <\/p>\n<p>\n    player = MediaPlayer(filename)\n   <\/p>\n<p>\n    val = &#8221;\n   <\/p>\n<p>\n    while val != &#8216;eof&#8217;:\n   <\/p>\n<p>\n    frame, val = player.get_frame()\n   <\/p>\n<p>\n    if val != &#8216;eof&#8217; and frame is not None:\n   <\/p>\n<p>\n    img, t = frame\n   <\/p>\n<p>\n    \u8fd8\u8bb0\u7740\u7269\u7406\u8bfe\u600e\u4e48\u8bb2\u7535\u5f71\u7684\u539f\u7406\u5417\uff1f\u5c31\u662f\u5229\u7528\u4e86\u4eba\u773c\u7684\u89c6\u89c9\u6b8b\u7559\u539f\u7406\uff0c\u6bcf\u79d2\u7ed9\u51fa24\u4e2a\u8fde\u7eed\u753b\u9762\uff0c\u4eba\u5c31\u8ba4\u4e3a\u662f\u6d3b\u52a8\u5f71\u50cf\u4e86\u3002\u6240\u4ee5\u6211\u4eec\u53ea\u8981\u7528\u4e00\u4e2a\u7a97\u53e3\u5b9a\u65f6\u64ad\u653e\u4e0a\u9762\u4ee3\u7801\u53d6\u51fa\u7684\u5e27\u56fe\u50cf\u5c31\u53ef\u4ee5\u4e86\u3002\n   <\/p>\n<p>\n    Python\u652f\u6301\u5f88\u591a\u7684\u56fe\u5f62\u5e93\uff0c\u800cQT5\u6700\u51fa\u540d\uff0c\u800c\u4e14\u5df2\u7ecf\u5b98\u65b9\u652f\u6301Python\u4e86\u3002\u4ee3\u7801\u5f88\u7b80\u5355\n   <\/p>\n<p>\n    from ffpyplayer.player import MediaPlayer\n   <\/p>\n<p>\n    import sys\n   <\/p>\n<p>\n    from PyQt5.QtWidgets import *\n   <\/p>\n<p>\n    from PyQt5.QtGui import QPixmap, QImage, QImageReader\n   <\/p>\n<p>\n    from PyQt5.QtCore import QTimer\n   <\/p>\n<p>\n    class MyApp(QWidget):\n   <\/p>\n<p>\n    def __init__(self, name, parent=None):\n   <\/p>\n<p>\n    super(MyApp, self).__init__(parent)\n   <\/p>\n<p>\n    self.label = QLabel()\n   <\/p>\n<p>\n    self.qimg = QImage()\n   <\/p>\n<p>\n    self.val = &#8221;\n   <\/p>\n<p>\n    self.player = MediaPlayer(name)\n   <\/p>\n<p>\n    self.timer = QTimer()\n   <\/p>\n<p>\n    self.timer.setInterval(50)\n   <\/p>\n<p>\n    self.timer.start()\n   <\/p>\n<p>\n    self.timer.timeout.connect(self.showFrame)\n   <\/p>\n<p>\n    layout = QVBoxLayout()\n   <\/p>\n<p>\n    layout.addWidget(self.label)\n   <\/p>\n<p>\n    self.setLayout(layout)\n   <\/p>\n<p>\n    self.setWindowTitle(name)\n   <\/p>\n<p>\n    # self.showFullScreen()\n   <\/p>\n<p>\n    def showFrame(self):\n   <\/p>\n<p>\n    frame, self.val = self.player.get_frame()\n   <\/p>\n<p>\n    if frame is not None:\n   <\/p>\n<p>\n    img, t = frame\n   <\/p>\n<p>\n    self.qimg = QImage(bytes(img.to_bytearray()[0]), img.get_size()[0], img.get_size()[1],\n   <\/p>\n<p>\n    QImage.Format_RGB888)\n   <\/p>\n<p>\n    self.label.setPixmap(QPixmap.fromImage(self.qimg))\n   <\/p>\n<p>\n    if __name__ == &#8216;__main__&#8217;:\n   <\/p>\n<p>\n    app = QApplication(sys.argv)\n   <\/p>\n<p>\n    t = MyApp(sys.argv[1])\n   <\/p>\n<p>\n    t.show()\n   <\/p>\n<p>\n    sys.exit(app.exec_())\n   <\/p>\n<p>\n    MyApp\u662fQT\u9700\u8981\u7684\u7a97\u53e3\u5bf9\u8c61\uff0c\u5728Main\u65b9\u6cd5\u8c03\u7528\u663e\u793a\u5c31\u597d\u3002 \u800c\u7a97\u53e3\u5e03\u5c40\u6211\u4eec\u7528\u4e86QVBoxLayout(), \u91cc\u9762\u653e\u4e00\u4e2aQLabel. \u56e0\u4e3a\u4e00\u79d2\u7b49\u4e8e1000\u6beb\u79d2\uff0c\u6bcf\u79d224\u5e27\u5c31\u662f\u6bcf50\u6beb\u79d2\u66f4\u65b0\u4e0b\u56fe\u7247\uff0c\u90a3\u5c31\u8bbeQTimer\u7684interval\u4e3a50\u5c31\u597d\u4e86\uff0c\u7136\u540e\u5728QTimer\u7684timeout connect\u91cc\u53d6\u51fa\u56fe\u7247\u6570\u636e\u66f4\u65b0QLabel\u5c31\u53ef\u4ee5\u4e86\u3002\n   <\/p>\n<p>\n    \u5728showFrame\uff0c QLabel\u662f\u7528QImage\u6765\u663e\u793a\u56fe\u7247\u7684\u3002QImage\u7684\u6784\u9020\u51fd\u6570\u53c2\u6570\u5206\u522b\u662f\u56fe\u7247\u7684\u5b57\u4f53\u6570\u636e\uff0c\u5bbd\uff0c\u9ad8\uff0c\u4ee5\u53ca\u56fe\u7247\u683c\u5f0f\u3002\n   <\/p>\n<p>\n    \u8fd9\u6837\u4e00\u4e2a\u7b80\u5355\u7684\u64ad\u653e\u5668\u5c31\u5b9e\u73b0\u4e86\uff0c\u81f3\u4e8e\u83dc\u5355\u548c\u5b57\u5e55\u5219\u9700\u8981\u4e86\u89e3QT\u7684\u76f8\u5173\u77e5\u8bc6\u4e86\u3002\n   <\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u89c6\u9891\u64ad\u653e\u5728\u7f16\u7a0b\u9886\u57df\u5f80\u5f80\u542c\u7740\u662f\u9ad8\u5927\u4e0a\u7684\u6280\u672f\uff0c\u56e0\u4e3a\u5382\u5546\u548c\u89c6\u9891\u683c\u5f0f\u592a\u591a\u592a\u6742\u4e86\u3002\u4f46\u725b\u4eba\u7684\u4e16\u754c\u6211\u4eec\u662f\u4ece\u6765\u4e0d\u61c2\u7684\uff0cffmp [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":215,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-2489","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-11"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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