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Re: [Linphone-developers] Linphone and G.722 Wideband codec

From: Simon Brenner
Subject: Re: [Linphone-developers] Linphone and G.722 Wideband codec
Date: Tue, 29 Jun 2010 09:39:06 +0200
User-agent: Thunderbird (X11/20091015)

Well, as I said, I never got the codec actually running.
You seem to have done the same steps as I did in order to integrate that 
particular piece of code
from the internet. So I'm not further than you.

But the thing with doing it as a plugin seems very clever to me! I like the 
idea of a plugin being
generally independent from the main program.
Before saying any more I'll also have to have a look at some already existent 
plugins in order to
understand how they work.


menno wrote:
> Hi!
> Nice to hear!
> Can you explain the steps that you do to get this G722 working (to get
> this in the codec section)? I'll try that first on a normal i386/i686 PC
> and after that i will try to recompile it to an ARM device.
>> Hi!
>> Yeah, that was exactly was I was trying to do 2 months ago (coincidentally
>> also on an ARM device). I
>> also got everything to compile and if I remember it correctly I even got
>> G.722 to be standing in the
>> audio codec list.
>> But I unfortunately never got the codec really running which I don't
>> understand...
>> I would also definitely be interested in having G.722 integrated in
>> Linphone - even if it would be
>> with the help of a preprocessor switch or something. (Like USE_G722_CODEC)
>> -Simon.
>> menno wrote:
>>> Hello,
>>> I want to use the G.722 codec on a 1.2Ghz ARM Device in the future. For
>>> now i want to use linphone incombination with the Wideband G.722 codec.
>>> I follow the following steps:
>>> 1. I download all the G722 files @
>>> 2. I unpack the files and put msg722.c, g722_encode.c and g722_decode.c
>>> into mediastreamer2/src
>>> 3. I put the g722.h file into the mediastreamer2/include/mediastreamer2
>>> directory
>>> 4. I added two new filter id's to allfilters.h
>>> 5. I add all the C-files to the mediastreamer2/src/
>>> 6. I add
>>> "linphone_core_assign_payload_type(&payload_type_g7221,9,NULL);"
>>> Compiling works ok with the current version linphone-3.3.1.tar.gz. But
>>> after compiling , and starting program i get no other codecs than the
>>> g711A/U,GSM and not the G722 one.
>>> Can anybody help me to get this G722 wideband codec working (or add this
>>> to the current linphone)?

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