[Freeswitch-users] fs_encode opus to wav is it possible

[Antonio Silva]

Hi,

i want to analyze the audio that i received from the link... recording 
is not an options since it introduces transcoding in fs.

I do this method for all other codecs like g722, g729, (PCMU/A not need 
wireshark can play it or you can save as .au), i get the all the rtp pkt 
and convert then with fs_encode to wav to reproduce with normal player.

Bur for opus i can't figure out how to make it work... i already try to 
pass the fmtp args negotiated in the sdp with no luck..


Saludos / Regards / Cumprimentos,
António silva

On 04/26/2017 02:18 PM, Raymond wrote:
> HI,
> why don't you  just record  to an wav file??
> And "wireshark -> rtp streams -> save as raw format 
> "---------------------- you just got a file with ip packet format. not 
> the "raw audio format"
>
> Raymond
>
>
> At 2017-04-26 16:37:05, "Antonio Silva" <asilva at wirelessmundi.com> wrote:
> >Hi,
> >
> >i'm trying to get rtp opus to a wav file using fs_encode but is not
> >working... anyone have tried to decode rtp with opus? can it be done
> >with fs_encode?
> >
> >
> >So for what i did was:
> >
> >- wireshark -> rtp streams -> save as raw format
> >- fs_encode -v -l mod_opus 0x60f26a47.opus audio.wav
> >
> >
> >fs_encode creates the audio.wav but is empty.. i've done this with g729
> >files but with opus is not working...
> >
> >
> >You can check the output of the command in
> >https://pastebin.freeswitch.org/view/9cedcf56
> >
> >
> >Thanks for the help.
> >
> >--
> >
> >Saludos / Regards / Cumprimentos,
> >António silva
> >
> >
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