我有一个使用WebBrowser的QWebEngineView (Qt 5.9)应用程序。我想要加载一个网页,其中一个Youtube视频被嵌入。该页加载完美,但视频不工作。当它试图开始时,我得到的信息是:
Requests to the server have been blocked by an extension。
我试着激活插件并设置功能权限,但这些都没有什么区别。
m_webView->settings()->setAttribute(QWebEngineSettings::PluginsEnabled, true);
m_webView->page()->setFeaturePermission(QUrl("https://www.youtube.com/watch?v=rNSnfXl1ZjU"),
QWebEnginePage::MediaAudioVideoCapture,
QWebEnginePage::PermissionGrantedByUser);我对Qt有点陌生。需要启用视频编解码器吗?提前谢谢你,希望你能帮我。
发布于 2019-06-25 10:28:18
下面的小应用程序,按需要工作。如果我取消了我的小应用程序中的设置部分,它会锁定YouTube视频的播放。
我建议您手动激活所有设置,以确定是什么阻止视频在您的环境中运行。
控制台输出可能也非常有助于找出问题的原因。
#include <QWebEngineView>
#include <QWebEngineSettings>
#include <QApplication>
int main(int argc, char **args)
{
QApplication app(argc, args);
auto view = new QWebEngineView;
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::AllowGeolocationOnInsecureOrigins, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::Accelerated2dCanvasEnabled, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::AllowRunningInsecureContent, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::AllowWindowActivationFromJavaScript, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::JavascriptCanAccessClipboard, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::FullScreenSupportEnabled, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::LocalContentCanAccessFileUrls, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::JavascriptCanOpenWindows, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::JavascriptEnabled, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::ScreenCaptureEnabled, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::PluginsEnabled, false);
//view->settings()->setAttribute(QWebEngineSettings::WebAttribute::LocalStorageEnabled, false);
view->setUrl(QUrl("https://www.youtube.com/watch?v=rNSnfXl1ZjU"));
view->show();
app.exec();
}在所有设置被停用后,我将得到以下控制台输出:
js: Refused to display 'https://accounts.google.com/ServiceLogin?continue=https%3A%2F%2Fwww.youtube.com%2Fsignin%3Fnext%3D%252Fsignin_passive%26hl%3Dde%26feature%3Dpassive%26app%3Ddesktop%26action_handle_signin%3Dtrue&hl=de&passive=true&service=youtube&uilel=3' in a frame because it set 'X-Frame-Options' to 'deny'.https://stackoverflow.com/questions/56737314
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