[asterisk-app-dev] ARI Snoop Channel CPU Usage

[George Ladoff]

Interesting. Good to know.

So if one were to snoop a gsm-encoded channel then attempt to record it to
a gsm file, there would always be a gsm->sln->gsm transcode happening in
there, correct?



On Fri, Apr 3, 2015 at 4:23 PM, Joshua Colp <jcolp at digium.com> wrote:

> George Ladoff wrote:
>
>> Thanks Joshua. Will do. :)
>>
>> On a similar note though, do snoop channels always transcode? I've
>> noticed that decoding or encoding (depending on snoop type) starts the
>> moment I start a snoop channel.
>>
>
> Snoop channels always operate in signed linear at the rate of the snooped
> upon channel. This is due to the fact that it uses the same underlying API
> as app_chanspy. It may be possible to turn it into a straight up frame
> copy, but I've not investigated or thought about it.
>
>
> Cheers,
>
> --
> Joshua Colp
> Digium, Inc. | Senior Software Developer
> 445 Jan Davis Drive NW - Huntsville, AL 35806 - US
> Check us out at: www.digium.com & www.asterisk.org
>
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