@Pehrsons Ideally the reading and writing could be performed without playback of the media, a precusor, related concept https://github.com/guest271314/OfflineMediaContext. `OffscreenCanvas` does not necessarily provide that functionality of [`OfflineAudioContext()` ](https://developer.mozilla.org/en-US/docs/Web/API/OfflineAudioContext) > doesn't render the audio to the device hardware; instead, it generates it, as fast as it can that is, throughout the process or recording video/images, a `<video>` elements essentially MUST be used and video MUST be played back to get the video data. There is no `.decodeVideoData()` to get the underlying images WITHOUT playing back the video. -- GitHub Notification of comment by guest271314 Please view or discuss this issue at https://github.com/w3c/mediacapture-record/issues/166#issuecomment-476735899 using your GitHub accountReceived on Tuesday, 26 March 2019 16:37:06 UTC
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