Re: WebM id mapping

Sounds good to me. Feel free to prepare a pull request. You could also
do what Ogg does: use the serialnum only if no skelton id is
available.

Cheers,
Silvia.

On Fri, May 9, 2014 at 2:09 PM, Aaron Colwell <acolwell@google.com> wrote:
> Hi,
>
> I was looking at the Sourcing In-band Media Resource Tracks from Media
> Containers into HTML spec and wanted to suggest that the WebM mapping for id
> be changed to use TrackNumber instead of TrackUID. My reasoning is that
> TrackNumber is akin to the track_ID in ISOBMFF, pid in MPEG2-TS, and
> serialnum in Ogg. Like all these other formats it is the actual ID that is
> used to demux blocks/samples/packets in the container.  A container without
> a TrackUID, while not totally compliant, is still usable because the
> TrackNumber is what actually binds the track info to a sequence of blocks. A
> missing TrackNumber leads to an unusable file. I think using TrackNumber is
> more consistent with your choices for the other formats.
>
> Thanks,
> Aaron

Received on Friday, 9 May 2014 04:41:55 UTC