[dvblast-devel] [PATCH] Fix CAM poll timing

Marian Ďurkovič md at bts.sk
Mon Sep 28 08:25:00 CEST 2009


Hi,

   attached is a patch, which corrects CAM poll timing according to EN50221.
It's very important to get a new wallclock value after CAM poll is
completed, since this operation could take >100 msec. In such case the
unpatched code schedules next poll immediately, which causes DVR overruns.

We also need to change MAX_TPDU_SIZE to 4096, since there are CAMs which
return almost 3 kB of data for entitlements list.


   With kind regards,

         M.
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