[foms] Proposal: adaptive streaming using open codecs

Chris Pearce chris at pearce.org.nz
Thu Nov 4 19:16:42 PDT 2010

  On 5/11/2010 3:14 a.m., Philip Jägenstedt wrote:
>>> Perhaps even better to pause video when it's in a background tab.
>>> Moreover, perhaps user-agents should enforce this ...
>> We would LOVE to be able to enforce this.  :)
> When doing either of the above, what would you do when the video once
> again becomes visible? Decode from the previous keyframe, or show nothing
> until the next keyframe?

It wouldn't be too hard to decode forward from the previous keyframe, if 
it's not too far behind the current playback position. If you have a 
keyframe index you know the offset of the previous keyframe, and if it's 
still buffered, seeking back to it is cheap.

Chris Pearce.

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