[linux-dvb] Re: API changes (was: C/A routing Question)

[Ralph Metzler <rjkm@metzlerbros.de>]

Andreas Oberritter writes:
 > On Thu, 2003-02-27 at 12:47, Ralph Metzler wrote:
 > > Is it that useful to have multi PID filters for PES and section data?
 > 
 > It might be nice to set multiple section filters with different
 > filter/mask-pairs on the same pid, e.g. for epg parsing, where one mask
 > might not match all desired table ids exactly. You could "dynamically"
 > expand or narrow filters without increasing the number of open file
 > descriptors, thus maybe reducing the number of threads of select() stuff
 > needed in userspace. (e.g. always filter current/next events in the
 > background and occassionally add/remove some specific filters to get
 > detailed event info or 7-day preview).

OK, if the section filters are on the same PID it even would map
better on most hardware and save copies because they often share 
the same buffer if they belong to the same PID feed.


Ralph


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