Re: Still about "id" format

ok, make sense


On Fri, Nov 15, 2013 at 4:23 AM, Brendan Long <B.Long@cablelabs.com> wrote:

> > The PID is used by the Web application to correlate a video, audio or
> text track, created
> > from an MPEG-2 TS media resource, with the PMT data exposed as
> TextTrackCues.
> > Thus, it is not required that the PID have any end-to-end identity. The
> PMT data will
> > contain the component_tag, if present, and therefore Web app can access
> that if needed.
> >
> > Using the PID as the track.id seems better since the PID is available
> in all regions. Also,
> > it is consistent with the idea of using the media resource stream ID as
> the track id.
>
> This makes sense to me. It's also useful that the PID can be easily used
> to find tracks in the PAT, PMT, and other metadata, since everything in
> MPEG-TS uses the PID as the track identifier.
>