web-feature: Media source

The MediaSource API is a custom data source for media elements commonly used for adaptive streaming. Also known as Media Source Extensions (MSE).

WKWebView

macOS

*

iOS

*

Android WebView

Android

*

WebView2

Windows

*

Chrome Browser

Android

31

Safari Browser

iOS

*

Notes

Unsupported keys in WebViews

  • Android WebView:
    api.AudioTrack.sourceBuffer api.SourceBuffer.audioTracks api.SourceBuffer.audioTracks.worker_support api.SourceBuffer.videoTracks api.SourceBuffer.videoTracks.worker_support api.VideoTrack.sourceBuffer

Support data provided by: BCD logo

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This feature was last updated on November 10, 2025.