RTL_SDR "output_block_size (default 16*16384)"

P C pczzs at yahoo.com
Sat Jun 1 02:00:33 UTC 2019


Thank you for the prompt reply.
And thank you for not chastising me for saying I searched but you found 
the links for me.

Unfortunately, had already found that page.?? Maybe I am dense as a box 
of rocks but I couldn't find what I was looking for there.
I was hoping for something like,
The size of the buffer is used while capturing in synchronous mode.?? It 
is adjustable so that (insert the reason here).?? Make it larger if 
(insert reason here) but that will cause (insert result here).?? (more 

Would you know where can find that kind of information?

Thanks again,


On 5/31/2019 3:14 PM, Vasil Velichkov wrote:
> Hi Pete,
> On 31/05/2019 19.59, P C wrote:
>> In RTL_SDR, option -b
>> What does:
>> "output_block_size (default 16*16384)" mean?
>> I have been searching and I just can't find that explained anywhere.
> It's the size of the buffer that's used while capturing in synchronous mode.
> http://git.osmocom.org/rtl-sdr/tree/src/rtl_sdr.c#n143
> http://git.osmocom.org/rtl-sdr/tree/src/rtl_sdr.c#n174
> http://git.osmocom.org/rtl-sdr/tree/src/rtl_sdr.c#n236
> Regards,
> Vasil

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