Its better to ask by filing the jira its one click to close it and if there is a real issue we need logs etc attached and something to reference if we push a fix.  

On Fri, Jan 16, 2015 at 12:26 PM, Thomas Auge <auge@virtues.net> wrote:

I figured I'd ask for an opinion before filing a bogus bug. :P


On 16.01.2015 15:16, Anthony Minessale wrote:
> Its also a bug to send bugs to the mailing list instead of http://jira.freeswitch.org
>
>
> On Fri, Jan 16, 2015 at 12:12 PM, Thomas Auge <auge@virtues.net <mailto:auge@virtues.net>> wrote:
>
>     Hello list,
>
>     I noticed that in an opus call where the a-leg sends usedtx=0, it is properly forwarded to the b-leg, which in this case
>     also correctly responds with usedtx=0. However, the local SDP for the a-leg then does not have usedtx in the fmtp at
>     all, and it seems to be enabled.
>
>     My C skills are limited, but could this be a bug:
>
>     static opus_codec_settings_t default_codec_settings = {
>     ....
>           /*.usedtx */ 1,
>     ....
>     };
>
>     By default, usedtx is enabled, correct?
>
>     However, in
>
>     static char *gen_fmtp(opus_codec_settings_t *settings, switch_memory_pool_t *pool)
>
>     there's this:
>
>     if (settings->usedtx) {
>           snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "usedtx=1; ");
>     }
>
>
>     Am I interpreting this correctly that if usedtx is zero, it is omitted in the fmtp line, but then enabled, because
>     that's the default setting?
>
>     Problem is that Chrome can't handle DTX and generates comfort noise every time it kicks in.
>
>     Cheers!
>
>     Thomas
>
>     P.S.: If my interpretation is correct, it'll also affect useinbandfec.
>
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> Anthony Minessale II       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>
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