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cervajs at fpf.slu.cz
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mailinglist+asterisk a...
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 Posted: Thu Jan 23, 2014 10:30 am Post subject: [asterisk-users] mixmonitor extension |
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On 23/01/14 15:21, Marek Cervenka wrote:
"core show file formats" will give you a list of formats your system
supports together with the filename extension. Not all may be supported
for writing (mp3 being one example I believe).
| Quote: | core show file formats
|
Format Name Extensions
------ ---- ----------
slin mp3 mp3
h264 h264 h264
g729 g729 g729
g719 g719 g719
gsm gsm gsm
g726 g726-16 g726-16
g726 g726-24 g726-24
g726 g726-32 g726-32
g726 g726-40 g726-40
h263 h263 h263
gsm wav49 WAV|wav49
g722 g722 g722
ulaw au au
alaw alaw alaw|al|alw
ulaw pcm pcm|ulaw|ul|mu|ulw
siren14 siren14 siren14
siren7 siren7 siren7
slin192 sln192 sln192
slin96 sln96 sln96
slin48 sln48 sln48
slin44 sln44 sln44
slin32 sln32 sln32
slin24 sln24 sln24
slin16 sln16 sln16
slin12 sln12 sln12
slin sln sln|raw
slin16 wav16 wav16
slin wav wav
g723 g723sf g723|g723sf
ilbc iLBC ilbc
30 file formats registered.
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cervajs at fpf.slu.cz
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| Posted: Thu Jan 23, 2014 6:36 pm Post subject: [asterisk-users] mixmonitor extension |
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can someone confirm that mp3 is unsupported? is patch available?
what about patch for Opus?
uncle google doesnt know
Dne 23.1.2014 16:31, Gareth Blades napsal(a):
| Quote: | On 23/01/14 15:21, Marek Cervenka wrote:
"core show file formats" will give you a list of formats your system
supports together with the filename extension. Not all may be
supported for writing (mp3 being one example I believe).
| Quote: | core show file formats
|
Format Name Extensions
------ ---- ----------
slin mp3 mp3
h264 h264 h264
g729 g729 g729
g719 g719 g719
gsm gsm gsm
g726 g726-16 g726-16
g726 g726-24 g726-24
g726 g726-32 g726-32
g726 g726-40 g726-40
h263 h263 h263
gsm wav49 WAV|wav49
g722 g722 g722
ulaw au au
alaw alaw alaw|al|alw
ulaw pcm pcm|ulaw|ul|mu|ulw
siren14 siren14 siren14
siren7 siren7 siren7
slin192 sln192 sln192
slin96 sln96 sln96
slin48 sln48 sln48
slin44 sln44 sln44
slin32 sln32 sln32
slin24 sln24 sln24
slin16 sln16 sln16
slin12 sln12 sln12
slin sln sln|raw
slin16 wav16 wav16
slin wav wav
g723 g723sf g723|g723sf
ilbc iLBC ilbc
30 file formats registered.
|
--
---------------------------------------
Marek Cervenka
Centrum Vypocetni Techniky
jabber - cervenka@slu.cz
CVT - http://cvt.fpf.slu.cz
FPF SLU OPAVA - http://www.fpf.slu.cz
RHCE,RHCVA 100-175-678
=======================================
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asterisk-list at puzzl...
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| Posted: Thu Jan 23, 2014 7:38 pm Post subject: [asterisk-users] mixmonitor extension |
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On 24-01-14 00:37, Marek Cervenka wrote:
| Quote: | can someone confirm that mp3 is unsupported? is patch available?
|
Iirc mp3 was in asterisk-addons in asterisk 1.4 and iirc in later
versions of asterisk you can enable format_mp3 in make menuselect.
| Quote: | what about patch for Opus?
uncle google doesnt know
|
Did you really google?
http://lmgtfy.com/?q=asterisk+opus
Regards,
Patrick
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cervajs at fpf.slu.cz
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| Posted: Fri Jan 24, 2014 3:39 am Post subject: [asterisk-users] mixmonitor extension |
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i'm talking about native mp3,opus support in mixmonitor application.
read the first answer from Gareth Blades
Dne 24.1.2014 1:39, Patrick Lists napsal(a):
| Quote: | On 24-01-14 00:37, Marek Cervenka wrote:
| Quote: | can someone confirm that mp3 is unsupported? is patch available?
|
Iirc mp3 was in asterisk-addons in asterisk 1.4 and iirc in later
versions of asterisk you can enable format_mp3 in make menuselect.
| Quote: | what about patch for Opus?
uncle google doesnt know
|
Did you really google?
http://lmgtfy.com/?q=asterisk+opus
Regards,
Patrick
|
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Marek Cervenka
=======================================
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mailinglist+asterisk a...
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| Posted: Fri Jan 24, 2014 4:42 am Post subject: [asterisk-users] mixmonitor extension |
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On 23/01/14 23:37, Marek Cervenka wrote:
| Quote: | can someone confirm that mp3 is unsupported? is patch available?
what about patch for Opus?
uncle google doesnt know
|
MP3 is only supported for reading not writing. Its a patent issue as
Asterisk cannot distribute the software to write to mp3 under its own
license.
Its a similar issue with Opus as the codec is covered by a couple of
patents in the USA.
What most people do is use MixMonitor to record to .wav (alaw) and then
in the 'h' extension call a program which runs a background task to
convert the .wav file to whatever format they wish.
Thats what we do but we actually use the Monitor application and we end
up with both legs of the call and multiple sets of recordings if people
pause and unpause. We then move these files off to a different server
when they get mixed and converted to mp3 and then emailed out to our
customers. We do it this way to reduce the load on the Asterisk boxes
but also keep all the call recordings in a central location.
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New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
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cervajs at fpf.slu.cz
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| Posted: Mon Jan 27, 2014 4:50 am Post subject: [asterisk-users] mixmonitor extension |
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for the record. info about opus from Lorenzo Mniero (author of Opus
patch for asterisk) with his permission
--cite--
Opus is just a codec. In order to save an audio file using Opus, you
need a container, which for Opus is OGG. Asterisk supports OGG, but I
think it is implemented to only dump Vorbis audio, and so the existing
module would need to be extended to support Opus as well.
I haven't checked how complex this could be, to be honest, so I have
no idea about how much effort would be needed for this. Right now we
don't need it, so I really can't say if and when we'll start working
on this.
Lorenzo
--cite--
Dne 24.1.2014 10:42, Gareth Blades napsal(a):
| Quote: | On 23/01/14 23:37, Marek Cervenka wrote:
| Quote: | can someone confirm that mp3 is unsupported? is patch available?
what about patch for Opus?
uncle google doesnt know
|
MP3 is only supported for reading not writing. Its a patent issue as
Asterisk cannot distribute the software to write to mp3 under its own
license.
Its a similar issue with Opus as the codec is covered by a couple of
patents in the USA.
What most people do is use MixMonitor to record to .wav (alaw) and
then in the 'h' extension call a program which runs a background task
to convert the .wav file to whatever format they wish.
Thats what we do but we actually use the Monitor application and we
end up with both legs of the call and multiple sets of recordings if
people pause and unpause. We then move these files off to a different
server when they get mixed and converted to mp3 and then emailed out
to our customers. We do it this way to reduce the load on the Asterisk
boxes but also keep all the call recordings in a central location.
|
--
---------------------------------------
Marek Cervenka
=======================================
--
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-- Bandwidth and Colocation Provided by http://www.api-digital.com --
New to Asterisk? Join us for a live introductory webinar every Thurs:
http://www.asterisk.org/hello
asterisk-users mailing list
To UNSUBSCRIBE or update options visit:
http://lists.digium.com/mailman/listinfo/asterisk-users |
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