Hi, What are the two granule rates in a fishead packet supposed to be for ? Since each of the streams has a corresponding fisbone packet with its own granulerate in it, and they can be all different, wha does the presentationtime num/den means ? Also for hte basetime num/den, since the UTC time which is also present in fishead seems to be a textual representation rather than a linear count ? Thanks
On 22/03/2008, ogg.k.ogg.k at googlemail.com <ogg.k.ogg.k at googlemail.com> wrote:> Hi, > > What are the two granule rates in a fishead packet supposed to be for ? > Since each of the streams has a corresponding fisbone packet with its own > granulerate in it, and they can be all different, wha does the presentationtime > num/den means ? Also for hte basetime num/den, since the UTC time which > is also present in fishead seems to be a textual representation rather than a > linear count ?These are not granulerates, they are time stamps. They are defined in: http://www.annodex.net/TR/draft-pfeiffer-annodex-02.html#anchor7 cheers, Conrad.
> These are not granulerates, they are time stamps. They are defined in:Oh, right. Is this an offset from the UTC field ? It is a timestamp, but I don't see an epoch mentioned (unless it's the base time field, but then I ask the question about it). Sorry if this is obvious, I'm quite tired today... Thanks