I'm re-tuning a frequency translating FIR filter ("tuner") dynamically based on
a channel detection. As documented, after the re-tune happens, the tuner sends
a "freq" tag when the re-tune has completed. The problem is that I have a
follow-on polyphase clock sync block which is eating that frequency tag. I need
that tag to know what channel I was on when I process the following bits.
Looking at the code, the tag policy is set not to propagate, but then there is
a section which appears to implement some custom logic for tag propagation.
There's been some previous discussion [1] on this topic, which suggests it has
been an issue in the past.
What is the current state of polyphase clock sync and tag propagation? Should I
expect it to propagate my tags correctly?
PWG
[1] https://lists.gnu.org/archive/html/discuss-gnuradio/2016-01/msg00284.html
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