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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Audio lag issue in large bandwidth network"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96208#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Audio lag issue in large bandwidth network"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96208">bug 96208</a>
from <span class="vcard"><a class="email" href="mailto:dharmesh4u@live.com" title="Dharmesh <dharmesh4u@live.com>"> <span class="fn">Dharmesh</span></a>
</span></b>
<pre>(In reply to Victor Toso from <a href="show_bug.cgi?id=96208#c1">comment #1</a>)
<span class="quote">> (In reply to Dharmesh from <a href="show_bug.cgi?id=96208#c0">comment #0</a>)
> > Hello,
> >
> > I am using aSpice client installed on custom Android device with dual core
> > processor and 1 GB RAM. I have both Ethernet and WiFi network interface.
> >
> > Spice server(0.12.7) and Qemu configured in Ubuntu(14) Linux machine. The VM
> > guest OS(Buildroot) plays SWF flash animation file with audio.
> >
> > I have faced audio lag issue about around 1 second through Ethernet and for
> > different routers with Higher bandwidth.
> >
> > In some routers, I have got audio sync and all things work perfect.
>
> I don't really think the problem is the network but the audio decoding.
>
> > I have checked VM logs and found that the low bandwidth messages for routers
> > which work for me while others have higher bandwidth values.
>
> How cool is that? With lower bandwith the audio works! In the code I can see
> on sound.c:
>
> > delay_val = main_channel_client_is_low_bandwidth(mcc) ? 0 : 1;
> > if (setsockopt(stream->socket, IPPROTO_TCP, TCP_NODELAY, &delay_val, sizeof(delay_val)) == -1) {
> ...
>
> But I don't really think it would be related to your problem.
>
> > I have checked same behavior in Samsung Galaxy Note-II phone.
> >
> > Can any one help me to solve this issue??
>
> I have played with real-time audio decoding on Android and I got really
> frustrated with the outcome. That was 3 years ago so I hope it is much
> better now. That being aSpice is not really maintained by us so I'm not sure
> how we can help with this client.
>
> If this client is based on spice-gtk, one could play with SPICE_DISABLE_CELT
> or SPICE_DISABLE_OPUS but I'm not aware of other ways to change audio
> configuration.</span >
Thanks for reply.
In Virtual manager(in Ubuntu OS) client, I never faced any audio lag issue and
everything works perfect in it.
Yes in Android device, client is based on spice-gtk and it uses gstreamer.
SPICE_DISABLE_CELT and SPICE_DISABLE_OPUS flags are already set to true.
Do I need to try celt for audio instead gstreamer?</pre>
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