See http://w3c.github.io/media-source/#idl-def-AppendMode Right now we just assume "segments" have nothing in the way of support for sequence. I'm going to land a patch that makes us explicitly throw (rather than failing silently). But we'll eventually need to implement this. Youtube's html5player.js does not appear to set SourceBuffer.prototype.mode, so youtube is probably unaffected.
Er, I didn't mean to take this.
Assignee: bobbyholley → nobody
New MSE fully support sequence mode (though webref do not properly test it)
Status: NEW → RESOLVED
Last Resolved: 4 years ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1119208
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