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Asked: 2026-06-17T17:48:29+00:00

I have linaro 12.06 installed on my Miniand’s Hackberry(https://www.miniand.com/products/Hackberry%20A10%20Developer%20Board). I have wireless access point

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I have linaro 12.06 installed on my Miniand’s Hackberry(https://www.miniand.com/products/Hackberry%20A10%20Developer%20Board).

I have wireless access point up on the hackberry with the ssid of HACK

I am using this command on the hackberry:

avconv -f alsa -ac 1 -i hw:0,0 -acodec mp2 -b 64k -f rtp rtp://10.0.0.1:1234

So using my laptop I connected to the hackberry “HACK” and then I pulled up the terminal and typed in

avplay -i rtp://10.0.0.1:1234

I am not getting any audio signal.
Do you know what I am doing wrong?

On the hackberry, If I run 

avconv -f alsa -ac 1 -i hw:0,0 -acodec mp2 -b 64k -f rtp rtp://10.0.0.1:1234

and with a new terminal screen run 

avplay -i rtp://10.0.0.1:1234

I can hear the audio perfectly fine.

I am trying to avoid using a streaming server.

Can anyone help?

thank you!

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1 Answer

  1. Editorial Team

    I don’t know your network topology but 10.0.0.1 used to be a default gateway IP.

    RTP send a stream to a specific host (unless you are using multicast).

    So rather than

    avconv -f alsa -ac 1 -i hw:0,0 -acodec mp2 -b 64k -f rtp rtp://10.0.0.1:1234

    On the device side, I would use:

    avconv -f alsa -ac 1 -i hw:0,0 -acodec mp2 -b 64k -f rtp rtp://{IP of your laptop}:1234

    On your laptop:

    avplay -i rtp://127.0.0.1:1234

    I’m using avconv/avplay that way.

    Best Regards,
    Frederic

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