[Webkit-unassigned] [Bug 139813] [MSE] Implement per TrackBuffer buffered.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=139813

--- Comment #1 from Bartlomiej Gajda <b.gajda at samsung.com> ---
Created attachment 243548
  --> https://bugs.webkit.org/attachment.cgi?id=243548&action=review
patch_wip_per_trackbuffer_v1

In this version I added only per trackBuffer TimeRanges, and implemented algorithm from "3.1 buffered, get" as caching mechanism.

This however is not sufficient, for part ragarding "ended" state.

There are 2 options I think:

- keep caching, reverse order of operations from algorithm (so : get intersection, get highest time from trackBuffers, append till end if neccessary), but this is almost as much work as not caching at all

- drop the caching and just use this algorithm every time

I'm not yet convinced which approach is better - feel free to comment, I will think over weekend and upload better version next week.

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