New driver opportunity - rtl2832u

Luigi Rizzo rizzo at
Wed Apr 25 14:22:09 UTC 2012

On Thu, Apr 26, 2012 at 12:22:31AM +1100, freebsd-multimedia at wrote:
> On Thu 26/04/12 12:02 AM , Luigi Rizzo  wrote:On Wed, Apr 25, 2012 at
>  Slightly off-topic:
>  The 2832-based sticks have become very popular recently because
>  the stick can be used as a programmable spectrum analyzer, see e.g.
> [1]"
> target="_blank">
> [2]"
> target="_blank">
>  I have tried the code at
> [3]"
> target="_blank">
>  and it builds and runs fine on FreeBSD (once you
>  ignore the auto* stuff and build your 2-line makefile)
> That sounds really cool, but how would I get at least a transport stream
> doing that? That looks like I'd get more raw stream than anything, I'm not
> sure I'd be able to get at least mplayer to read it even.

i said it was off-topic :)
I think that the transport stream needs the on-board decoder
and probably the firmware as well.

The op25 link was the first match that came up on google, but what
i really meant to point at was the rtl-sdr, and the usage i am
envisioning is just a spectrum analyser.


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