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      CEF in PIXERA

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      What is CEF?

       

      The Chromium Embedded Framework (CEF) is an open-source framework that enables developers to embed fully functional Chromium-based web browsers directly into their applications.

      It is built on top of the Chromium engine—the same core used by Google Chrome—and provides APIs for rendering web content, handling user input, and integrating browser features within native software.

      CEF supports modern web standards such as HTML5, CSS, and JavaScript, making it a popular choice for building user interfaces with web technologies while maintaining the performance and flexibility of a native application. It also offers features like off-screen rendering, custom resource handling, and tight control over browser behavior.

      How is CEF used in PIXERA?

       

      The Chromium Embedded Framework (CEF) is used to render and interact with Web Browser Resources in PIXERA.

      The other Web Browser section of PIXERA, User Interfaces, uses WebView. This is similar to CEF in how it is used and its limitations. Learn more in the article WebView in PIXERA.

      Web Browser Resource

       

      CEF is used to treat webpages as playable media content inside PIXERA.

      • A Web Browser Resource allows you to load any webpage (e.g. dashboards, custom HTML apps, YouTube) and place it as a Clip on the Timeline.
      • The webpage is rendered via CEF and behaves like a video Layer: You can position, scale, and animate it in the Compositing workflow. 
      • It supports interaction—mouse input can be forwarded to the rendered page, enabling clickable buttons or live control interfaces on the Output.

       

      NOTE

      Each server runs its own CEF Instance independently. Due to this isolated behavior, true synchronization between multiple CEF Instances is technically not possible. This limitation cannot be resolved through Content Mapping or Perspectives.

      The only way to achieve consistent visual output across servers would be to abstract the content and distribute it as a single texture (e.g., via NDI).

      While simultaneous playback can be triggered using JavaScript, this approach does not provide frame-accurate synchronization.

       

      Codec Limitation

       

      The main limitation of CEF is that it is Open Source. This means it can only implement Open Source Codecs like VP8, VP9, and AV1. Other common codecs in web development, like H.264 and H.265, are not able to be used in CEF due to be Proprietary. If you try to do so they will show as not being able to load in Resource.

      This is a general CEF limitation that then affects any software which uses it, such as PIXERA

      For PIXERA, the limitation mainly affects the Elements Media Player and IFrame as they are limited to the mentioned codecs for displaying.

      If wanting to check specifically what codecs are supported or not, please use the below website link inside a Web Browser Resource to display what codecs are supported (In Green) what may be supported (In Yellow) and what is not supported (In White).

      https://tools.woolyss.com/html5-audio-video-tester/

      PIXERA 26.2 INTER 59 | 16.April 2026 | S.H.

       

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