[Bug 21431] Specify splicing behavior for text tracks

https://www.w3.org/Bugs/Public/show_bug.cgi?id=21431

--- Comment #7 from Silvia Pfeiffer <silviapfeiffer1@gmail.com> ---
(In reply to comment #6)
>
> Let's take an example. You have a WebVTT file that has a single cue lasting
> from 0 to 30 seconds. You split this file into 3 x 10s segments. I think in
> that case that the cue in segment 1 should have a duration of 10s not of
> 30s. In WebVTT over MP4, segment 2 will contain a sample marked as
> continuation of the previous from 10 to 20. Same for segment 3. So assuming
> you drop segment 2 and display some other content (possibly with subtitles)
> for 10s and then push segment 3, there won't be duplicate display. 

Out of curiosity: What would happen in MP4 if the first segment has the cue
lasting 30s and segment 2 and 3 indicating a continuation from segment 1's cue
for their timings? Would they be rendered twice?

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Received on Friday, 29 March 2013 22:23:11 UTC