[foms] What data is needed for adaptive stream switching?

Frank Galligan fgalligan at google.com
Mon Nov 29 07:12:33 PST 2010

On Mon, Nov 22, 2010 at 11:41 PM, Benjamin M. Schwartz <
bmschwar at fas.harvard.edu> wrote:

> On 11/22/2010 07:35 PM, Chris Pearce wrote:
> >> or (2) exposes the browser's estimate of the time remaining
> >> before each queue underruns (possibly +inf).  Option 1 is just like your
> >> design (using @buffered), but extended to distinguish network and CPU
> limits.
> >
> > There are two separate problems here, detecting slow network, and
> > detecting slow CPU. My @buffered proposal can only detect slow network.
> Right.  An additional value (e.g. @buffered_decoded) would allow an
> analogous design to detect slow CPU.
> I don't think this would be a good value to make a decisions on, because
there could be many different player implementations. I.E. A Memory
constrained device with a hardware decoder chip might only keep one frame in
the decode buffer.


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