On 08/28/2020 12:21 PM, Sylvain Munaut wrote:
I've always been curious why UHD doesn't automatically set those
parameters depending on the sample rate ... because AFAICT the
defaults universally sucks for high sample rate and changing them is
always the first thing to do to get things to work.
I understand at low sample rate you don't want useless buffering but
UHD knows the rate of data flow, so it could have defaults based on a
"time" measurement and then convert that time into buffer size /
buffer count so that the buffering is always about the same time-wise.
Cheers,
Sylvain
I'm fairly sure that you have to specify those parameters at the time
you create the underlying libusb device, which means that
supporting mid-session sample-rate changes gets awkward...
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