[Freeswitch-users] Record and live stream WAV to HTTP server

[Sergey Safarov]

Input/output latency is not problem.  I use Kazoo on my servers and call
recording is stored to database during 5 seconds after hangup.
What is broken in your case if save file using webdav or http_cache?

On Mon, Apr 4, 2016, 21:10 Vincent Gire <vincent.gire at gmail.com> wrote:

> Hello Sergey,
>
> Thank you for your answer.
> I've looked into webdav mounted filesystem.
>
> Unfortunately, most WebDav clients (especially davfs2 on debian) do a lot
> of buffering, caching and even lock-null requests (lock a non existent
> resource before writing to it). I also suspect that they wait for the end
> of the write operation.
> The result is a latency of a few seconds witch is not much better than
> what I achieve with mod_shout if I transcode the MP3.
>
> Any other idea ?
>
> Thank you !
>
> Best regards
>
> Vincent
>
> On Sun, Apr 3, 2016 at 7:30 PM, Sergey Safarov <s.safarov at gmail.com>
> wrote:
>
>> Please look at webdav mounted filesystem.
>>
>> On Sun, Apr 3, 2016, 19:17 Vincent Gire <vincent.gire at gmail.com> wrote:
>>
>>> Hi all,
>>>
>>> Thank you to all contributing to FreeSWITCH !
>>>
>>> I'm working on a IVR project where logic is implemented on a HTTP server.
>>> We are leaving Twilio because we now need to record and live stream the
>>> session to the HTTP server in WAV format (chunked transfer encoding).
>>>
>>> *mod_httapi* looks great (HT TAPI very similar to Twilio's) but it
>>> seems that the records are first saved to disk before there are sent to the
>>> server as chunked data.
>>> We need the transfer to start as soon as the recording starts.
>>>
>>> *mod_shout* does start the request almost as the records starts but it
>>> does not support WAV file and shout:// is not exactly a HTTP request
>>> (SOURCE method instead of PUT).
>>>
>>> Is there a way to use these modules to achieve our goal ?
>>>
>>> If not, we are willing to author a specific module or rather contribute
>>> to the existing ones.
>>>
>>> We've identified two approaches:
>>>
>>>    1. From *mod_httapi* Modify mod_httapi to directly stream the record
>>>    instead of completely saving it to disk before the HTTP chunked transfer
>>>    starts.
>>>    This seems the most logical but with more than 3000 lines,
>>>    mod_httapi does not seem to be the easiest module to build upon for
>>>    newcomers!
>>>
>>>    2. From *mod_shout*
>>>       1. Modify libshoot to replace the custom SOURCE method with
>>>       standard HTTP PUT method
>>>       2. Modify mod_shout to support wav files
>>>       3. Implement our IVR in script (javascript/lua)
>>>
>>> What do you think ?
>>>
>>> Thank you for your help.
>>>
>>> Cheers,
>>> Vincent
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.freeswitch.org
>> http://www.cluecon.com
>>
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>
>
>
> --
> Vincent Gire
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.freeswitch.org
> http://www.cluecon.com
>
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20160404/a36dad4a/attachment.html