[vlc-devel] Re: VLC how to calculate PCR ??

Måns Rullgård mru at inprovide.com
Mon Nov 20 23:35:05 CET 2006

"nyk" <nyk at ktcatv.com> writes:

>    PCR_base(i)=((system_clock_frequency x t(i) ) DIV 300 ) % 2 33
>    how to get the system_clock_frequency  ?? the system_clock_frequency  define in the ISO 13818-1 and must meet the following constraints:
>    27000000-810 <=system_clock_frequency <=27000000+810
>    so I how to calculate it ? thanks

You don't calculate it.  The bit you quoted defines the system clock
frequency as 27MHz with a tolerance of 810Hz up or down.

Måns Rullgård
mru at inprovide.com

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