Re: [Discuss-gnuradio] failed assertion in gr_buffer.h

[Eric Blossom]

On Mon, Nov 19, 2007 at 11:19:05AM -0500, Ed Criscuolo wrote:
> Yes, the relative rate is constant.
> 
> It was my understanding that the sync_interpolator class
> interpolates zeros into the data stream, requiring you to
> low-pass filter the results to remove the introduced
> high-frequency ailasing.

It doesn't insert anything into the data stream.  
Everything is left up to your work method.

Take a look at general/gr_bytes_to_syms.{h,cc}.

(It's deprecated because there's a more general way to solve the
problem it was addressing.  However, the basic pattern is sound.)

> This wasn't suitable my use, as I'm trying to resample a digital
> bitstream, and the interpolated values need to duplicate the
> previous input value.

> Is my understanding wrong?

Yes ;)

Eric