[Freeswitch-dev] Multicast stream listener module

[MohammedShehzad]

You meant to multicast in L16 format so that listener will not require to do
anything for coding/decoding, right?

On Tue, Feb 23, 2010 at 11:13 PM, Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> That is the native format of all file interfaces, its uncompressed audio.
> It's 128kps per stream for an 8k call but since you only need one, it's not
> so bad.
>
>
>
>
> On Mon, Feb 22, 2010 at 10:58 PM, MohammedShehzad <pmhshz at gmail.com>wrote:
>
>> How can I use L16? Please let me some reference.
>>
>>
>> On Tue, Feb 23, 2010 at 1:12 AM, Anthony Minessale <
>> anthony.minessale at gmail.com> wrote:
>>
>>> because you have no signaling to negotiate payload types its best to
>>> limit this to PCMU.
>>> Your only other option is to use L16 (raw signed linear)
>>>
>>>
>>> On Mon, Feb 22, 2010 at 5:53 AM, MohammedShehzad <pmhshz at gmail.com>wrote:
>>>
>>>>
>>>> Hello everybody,
>>>> I am working on multicast listener format module, So that Freeswitch can
>>>> listen on multicasted stream as example below:
>>>> <action application="playback" data="rtp://224.168.168.168:34567"/>
>>>> Please see on thread named 'stream a file multicast with mod_esf' on
>>>> http://lists.freeswitch.org/pipermail/freeswitch-users/2010-February/026163.html
>>>>
>>>> I am testing that module against the audio multicasted by mod_esf
>>>> module.
>>>> I got some success with help of existing mod_native_file module, and I
>>>> able to receive and play the multicasted RAW PCMU RTP (modified the skel of
>>>> format module provided by brian), so that caller can hear the multicast by
>>>> other Freeswitch server, but when i change the caller's codec from PCMU to
>>>> something else, it breaks.
>>>> Then I looked into mod_sndfile for decoding PCMU to other codec, but it
>>>> seems that module is using libsndfile, which reads sound file directly and
>>>> decode them to L16. If something similar to libsndfile is available, which
>>>> work on stream instead of reading file, then it would surely work.
>>>> Please Let me know your ideas on this, as I don't know how exactly
>>>> Freeswitch encoding-decoding works?
>>>>
>>>> --
>>>>
>>>> -MohammedShehzad
>>>>
>>>> _______________________________________________
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>>>>
>>>>
>>>
>>>
>>> --
>>> Anthony Minessale II
>>>
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>>>
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>>> IRC: irc.freenode.net #freeswitch
>>>
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>>>
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>>>
>>>
>>
>>
>> --
>>
>> -MohammedShehzad
>>
>> _______________________________________________
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>> http://www.freeswitch.org
>>
>>
>
>
> --
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
> Twitter: http://twitter.com/FreeSWITCH_wire
>
> AIM: anthm
> MSN:anthony_minessale at hotmail.com <MSN%3Aanthony_minessale at hotmail.com>
> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com<PAYPAL%3Aanthony.minessale at gmail.com>
> IRC: irc.freenode.net #freeswitch
>
> FreeSWITCH Developer Conference
> sip:888 at conference.freeswitch.org <sip%3A888 at conference.freeswitch.org>
> iax:guest at conference.freeswitch.org/888
> googletalk:conf+888 at conference.freeswitch.org<googletalk%3Aconf%2B888 at conference.freeswitch.org>
> pstn:+19193869900
>
> _______________________________________________
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> http://lists.freeswitch.org/mailman/listinfo/freeswitch-dev
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>
>


-- 

-MohammedShehzad
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