最終更新:2020-03-27 (金) 16:49:21 (1513d)  

OpenTok/画面共有
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https://tokbox.com/developer/guides/screen-sharing/js/

対応

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非対応

  • Publishing screen-sharing streams is currently not supported in Safari or non-Chromium versions of Microsoft Edge
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メモ

  • Important: As of Google Chrome 72+, Firefox 52+, and Opera 59?+, an extension is no longer needed for screen sharing. The browser prompts the end user for access to the screen as it would for access to the camera.
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macOS

  • On macOS 10.15+ (Catalina), to publish a screen-sharing stream the user must grant the browser access to the screen in macOS System Preferences > Security & Privacy > Privacy > Screen Recording. Otherwise, the Publisher will dispatch an accessDenied event.
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OpenTok.js

  • OT.checkScreenSharingCapabilit?
  • OT.initPublisher 
    <div id="publisher"></div>
<div id="screen-preview"></div>

OT.checkScreenSharingCapability(function(response) {
  if(!response.supported || response.extensionRegistered === false) {
    // This browser does not support screen sharing.
  } else if (response.extensionInstalled === false) {
    // Prompt to install the extension.
  } else {
    // Screen sharing is available. Publish the screen.
    var publisher = OT.initPublisher('screen-preview',
      {videoSource: 'screen'},
      function(error) {
        if (error) {
          // Look at error.message to see what went wrong.
        } else {
          session.publish(publisher, function(error) {
            if (error) {
              // Look error.message to see what went wrong.
            }
          });
        }
      }
    );
  }
});
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参考




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