[Freeswitch-users] setting recording codec

Wed Nov 12 00:16:11 MSK 2014

There are record_ variables that let you set metadata in recordings (title
etc), stereo,rate,direction etc. I would assume it'll be something similar.

On 11 November 2014 14:46, Christopher Rienzo <cmrienzo at gmail.com> wrote:

> Getting the lib to do it is easy.  It's mainly an API problem- how will FS
> expose something like this?
>
> On Tue, Nov 11, 2014 at 9:38 AM, Brian West <brian at freeswitch.org> wrote:
>
>> Looking at the libsndfile API this should be doable but I would need to
>> read up on it more, If you require this feature email
>> consulting at freeswitch.org for a quote on adding this functionality.
>>
>> Thanks
>>
>> On Tue, Nov 11, 2014 at 8:33 AM, Brian West <brian at freeswitch.org> wrote:
>>
>>> If he wants to record without transcoding it is the only viable way to
>>> do so currently via mod_native_file.  The task was a nice exercise as it
>>> exposed a nice little segfault in the stop record. (FS-6980).
>>>
>>> I fully understood what he wanted, and that it wasn't possible, offering
>>> up what we currently can do with mod_native_file.
>>>
>>>
>>> On Tue, Nov 11, 2014 at 7:49 AM, Ben Langfeld <ben at langfeld.co.uk>
>>> wrote:
>>>
>>>> Brian, was this answer supposed to be to some other question? The
>>>> question here was about transcoding the recording, not about stereo vs two
>>>> mono recordings...
>>>>
>>>> On 11 November 2014 11:35, Brian West <brian at freeswitch.org> wrote:
>>>>
>>>>> just record to a file without any extension.
>>>>>
>>>>>     <extension name="testing">
>>>>>
>>>>>
>>>>>
>>>>>       <condition field="destination_number" expression="^(1213)$">
>>>>>
>>>>>
>>>>>
>>>>>         <action application="answer"/>
>>>>>
>>>>>
>>>>>
>>>>>         <action application="record_session" data=
>>>>> "/tmp/${uuid}-testing"/>
>>>>>
>>>>>
>>>>>         <action application="sleep" data="50000"/>
>>>>>
>>>>>
>>>>>
>>>>>       </condition>
>>>>>
>>>>>
>>>>>
>>>>>     </extension>
>>>>>
>>>>>
>>>>> 2014-11-11 07:32:26.713403 [INFO] mod_native_file.c:101 Opening File
>>>>> [/tmp/6f1e83a6-1d06-4e31-b641-7d4f825c99d6-testing-in.G722] 16000hz
>>>>>
>>>>> 2014-11-11 07:32:26.713403 [INFO] mod_native_file.c:101 Opening File
>>>>> [/tmp/6f1e83a6-1d06-4e31-b641-7d4f825c99d6-testing-out.G722] 16000hz
>>>>>
>>>>> Now you'll be all set to waste more time dealing with two files vs the
>>>>> single wav file.
>>>>>
>>>>> On Tue, Nov 11, 2014 at 4:33 AM, ik <idokan at gmail.com> wrote:
>>>>>
>>>>>> In this specific case, I'm using g711, but can have either a-law or
>>>>>> u-law but the service that requires the recording understand only a-law, at
>>>>>> the moment I'm using ffmpeg to convert after the call ended,  and then send
>>>>>> it to that service.
>>>>>>
>>>>>> Thanks
>>>>>> Ido
>>>>>> On Nov 11, 2014 12:24 PM, "Stanislav Sinyagin" <ssinyagin at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> as far as I understand, FreeSWITCH chooses the WAV parameters which
>>>>>>> are matching the current channel sampling frequency and codec. For
>>>>>>> example, if you record a G722 call, you would get a 16kHZ WAV file.
>>>>>>>
>>>>>>> Forcing it into one specific encoding would add real-time CPU load. I
>>>>>>> think it's still more preferable to run a post-processing job in low
>>>>>>> priority -- this way you ensure that the ongoing calls get the best
>>>>>>> serving.
>>>>>>>
>>>>>>> You can easily catch the event of call ending and trigger the
>>>>>>> conversion job, by listening to the events via ESL connection.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Nov 11, 2014 at 10:52 AM, ik <idokan at gmail.com> wrote:
>>>>>>> > Thinking in learning better the source code, and might create my
>>>>>>> first patch
>>>>>>> > to FS :)
>>>>>>> >
>>>>>>> > On Tue, Nov 11, 2014 at 8:09 AM, Seven Du <dujinfang at gmail.com>
>>>>>>> wrote:
>>>>>>> >>
>>>>>>> >> No. Maybe bounty it?
>>>>>>> >>
>>>>>>> >> On Monday, November 10, 2014 at 8:53 PM, ik wrote:
>>>>>>> >>
>>>>>>> >> Hello,
>>>>>>> >>
>>>>>>> >> I could not find any documentation on this subject.
>>>>>>> >> I require to have a recording of an a-law wav file (RIFF
>>>>>>> (little-endian)
>>>>>>> >> data, WAVE audio, ITU G.711 A-law, mono 8000 Hz).
>>>>>>> >>
>>>>>>> >> Can I set a variable that tells the record command what type of
>>>>>>> codec to
>>>>>>> >> store the file with ?
>>>>>>> >>
>>>>>>> >> I know how to convert a normal wav recording into it using ffmpeg
>>>>>>> (for
>>>>>>> >> example):
>>>>>>> >>
>>>>>>> >> $ ffmpeg -i 0.wav -ar 8000 -ac 1 -acodec pcm_alaw 0-alaw.wav
>>>>>>> >>
>>>>>>> >> But I wish to avoid it, if I can use the record app, or use the
>>>>>>> >> uuid_record API for it.
>>>>>>> >>
>>>>>>> >> Thanks,
>>>>>>> >> Ido
>>>>>>> >>
>>>>>>> _________________________________________________________________________
>>>>>>> >> 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
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>>>>>>> >> 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
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>>>>>>> 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
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>>>>>>> > 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
>>>>>>>
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> 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
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> *Brian West*
>>>>> brian at freeswitch.org
>>>>>
>>>>>
>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>> http://www.freeswitchbook.com
>>>>> http://www.freeswitchcookbook.com
>>>>>
>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>
>>>>>
>>>>> _________________________________________________________________________
>>>>> 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
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>>>>> 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
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>>>>
>>>
>>>
>>>
>>> --
>>>
>>> *Brian West*
>>> brian at freeswitch.org
>>>
>>>
>>> *Twitter: @FreeSWITCH , @briankwest*
>>> http://www.freeswitchbook.com
>>> http://www.freeswitchcookbook.com
>>>
>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>
>>
>>
>>
>> --
>>
>> *Brian West*
>> brian at freeswitch.org
>>
>>
>> *Twitter: @FreeSWITCH , @briankwest*
>> http://www.freeswitchbook.com
>> http://www.freeswitchcookbook.com
>>
>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>
>> _________________________________________________________________________
>> 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
>>
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>>
>
>
> _________________________________________________________________________
> 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
>
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