[gst-devel] Timestamping and clocking compared to DirectShow

Ronald S. Bultje rbultje at ronald.bitfreak.net
Fri Jun 24 11:33:16 CEST 2005


Hi Tim,

On Fri, 24 Jun 2005, Tim Harris wrote:
> > The elements use the clock provided to them by the containing
> > pipeline.
>
> Does that mean that different pipelines can have different clocks?

Yes.

> > The timebase for elements
> > is the difference between media time (buffer timestamps) and
> > clock time (absolute values).
>
> Ah, different definition of timebase. I meant: is the timebase fixed to
> some number of nanoseconds (in DirectShow it's 100 nanoseconds I think)?

Oh! Sorry. All times are in nanoseconds, unless explicitely said
otherwise (e.g. totem's gconf keys are in double, seconds, because that is
more understandable to the end user, as far as it matters).

Ronald




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