[gst-devel] How to send audio data into one speaker only

[thiagossantos at gmail.com]

On Sat, Oct 31, 2009 at 7:34 AM, Jan Martinek <honza at dp.fce.vutbr.cz> wrote:

> Hello,
>
> I am trying to write a program which sends data into left speaker while
> the right one remains silent. The obvious way would be to set up a
> stereo pipeline and send the bytes in this order
>
> left data, zero, left data, zero, left data, zero, etc.
>
> but ... is there a better way? Can I join my data with silence using
> interleave? Silence can be generated by "audiotestsrc wave=4", so ...
>

I didn't understand clearly what you're trying/wanting to do, but you might
be interested in the audiopanorama element.


>
> For testing, I try to play sine wave from one channel only:
>
> gst-launch interleave name=i ! audioconvert ! gconfaudiosink \
> audiotestsrc ! capsfilter \
> caps=audio/x-raw-int,rate=44100,channels=1,depth=16,signed=true \
> ! queue ! i.sink0 \
> audiotestsrc wave=4 ! capsfilter \
> caps=audio/x-raw-int,rate=44100,channels=1,depth=16,signed=true \
> ! queue ! i.sink1
>
> But I get this error message:
> WARNING: erroneous pipeline: could not link queue0 to i
>
> Thank you for help in advance,
> Jan Martinek
>
>
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-- 
Thiago Sousa Santos
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