[gst-devel] problem in rtpmpapay and rtpmpadepay

[Marco Ballesio]

Hi,

On Wed, Dec 15, 2010 at 12:24 PM, Puneeth <puneeth.mv at globaledgesoft.com> wrote:
>
> Hi All,
>
>     I m trying to capture audio and encode to mp3 format and send through
> rtpmpapay and decode and playback in the other system, but i m not able to
> listen voice clearly. But it is good when send captured pcm format and
> playback using protocol rtppcmapay and rtppcmadepay.
>

You'd need some basic sanity check on your system while running the pipeline.

Encoding and decoding mp3 requires more computational power than raw
pcm: check the CPU usage with "top". If it's anywhere close to 100%
you've found a culprit. Possible solutions involve increasing the
lamemp3enc output bitrate, enforcing mono encoding, setting
"encoding-engine-quality" to "fast", getting a better performing
encoder or a system with an higher computational power.

If the problem is not CPU load, I suggest you to get some debug with
GST_DEBUG=2.

Regards

>  Here is the command for the reference, thank u in advance and will be
> greatly appreciated for the solution.
>
> Sender : gst-launch gstrtpbin name=rtpbin alsasrc ! audioconvert !
> audioresample ! lamemp3enc ! rtpmpapay ! rtpbin.send_rtp_sink_0
> rtpbin.send_rtp_src_0 ! udpsink port=5002 host=172.16.10.32
> rtpbin.send_rtcp_src_0 ! udpsink port=5003 host=172.16.10.32 sync=false
> async=false udpsrc port=5007 ! rtpbin.recv_rtcp_sink_0
>
> Receiver : gst-launch gstrtpbin name=rtpbin udpsrc
> caps="application/x-rtp,media=(string)audio,clock-rate=(int)8000,encoding-name=(string)MPA"
> port=5002 ! rtpbin.recv_rtp_sink_0 rtpbin. ! rtpmpadepay ! mp3parse !
> ffdec_mp3 ! audioconvert ! volume volume=3 ! audioresample quality=10 !
> alsasink udpsrc port=5003 ! rtpbin.recv_rtcp_sink_0 rtpbin.send_rtcp_src_0 !
> udpsink port=5007 host=172.16.10.32 sync=false async=false
>
>
>
> --
> View this message in context: http://gstreamer-devel.966125.n4.nabble.com/problem-in-rtpmpapay-and-rtpmpadepay-tp3088737p3088737.html
> Sent from the GStreamer-devel mailing list archive at Nabble.com.
>
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