Hi Stack Programmer,

you can't.

Your work function needs to be able to deal with different sizes (it doesn't have to consume all input, that's *your* choice). You can tell GNU Radio your block wants a multiple of a specific size, set_output_multiple.

Best regards,
Marcus

On 22.11.21 11:16, sp h wrote:
I developed a block Gnuradio that works with samples block type is sync block. i used a for that i can print samples

for(inti=0;i<noi;i++)

Why every time noi in gnuradio is changed...i used USRP and UHD source...

but in my custom block noi size is not fixed..how can i fixed it.......



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