[linux-dvb] Clock synchronization

[Ralph Metzler <rjkm@convergence.de>]

Toby Jaffey writes:
 > I've been looking through the source code for the linuxtv DVB drivers
 > and I have a question about clock synchronization.
 > 
 > As far as I could make out, there is provision in the drivers for
 > filtering a PCR pid. But, what happens after that? I couldn't find any
 > information in the code on how the local System Time Clock is
 > synchronized to the PCR stream. 
 > 
 > Do the available DVB cards have voltage controlled 27mhz oscillators for
 > this function or is it managed some other way?


That's all controlled by the firmware on the card.
The driver just selects the PID.


Ralph


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