RangeError : File size (27933740002) is greater than 2 GBĪt new NodeError (node:internal/errors:371:5)Īt Object. It doesn't work with files greater than 2 GB. Windows ts-ebml -s not_seekable.webm | type > seekable.webm Linux ts-ebml -s not_seekable.webm | cat > seekable.webm So far I have tried ts-ebml for Node.js (suggested here What is correct parameters for opus webm audio to seekable with ffmpeg?): Is there an open source tool like FFmpeg that can be used to make the video seekable? How to do that? ![]() But if the video is stopped, I have to watch from the start again. Every time I play the video, I have to start from the beginning. That means, I can't jump to a different time or skip back and forth a couple of seconds. The media player says the video is not seekable. (either in the Spec, in MDN or in both).I'm trying to play a WebM VP9 video file. IIUC, it's very much the equivalent of mkclean for webm files.Ī similar informative-thingy would be to use WebAudio to mix several audio tracks before passing them to Media Recorder: it's not strictly part of this Spec, but it's good to have an informative example detailing this. IIRC, it can create the Cues from scratch. Yeah, in this case the polyfill would be a node.js package that would be informatively linked from this very spec, and would consist of a single function call that gets the whole set of recorded Blobs and passes it through the mentioned function ( CopyAndMoveCuesBeforeClusters), that tries to "clean up" the webm/mkv, so that it has correct Duration, Cues and a bunch of other things. In the case of the polyfill, would this have no official relation this spec, but could be included by pages using media recorder to rewrite the results of their recording to contain cues? Would there be a need for the file to already have cues written, in the sense that it's a strict move operation, or would it handle writing cues in files that didn't have any? should this method be passed as parameter the whole bag of Blobs received in ondatavailable? Or just some Blobs marked in some particular way.? Different container formats might need to rewrite different chunks of the output, so If the answer is 'the whole bag` then please read on.
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