[Freeswitch-users] Opus codec issue

Sat Sep 27 03:37:42 MSD 2014

Brian,

Thank you for your thoughtful analysis.

Jonathan

On Fri, Sep 26, 2014 at 4:10 PM, Brian West <brian at freeswitch.org> wrote:

> If you could actually measure it, I'm fairly sure it won't matter and I'm
> pretty sure a codec like OPUS wouldn't be one that you could record native
> due to stateful information being in the bit stream.  The time its taken
> for us to exchange these emails is many times more than it would cost you
> to play the wav files in the first place.  I think G722 may suffer the same
> problem.
>
> On Fri, Sep 26, 2014 at 5:41 PM, jonathan augenstine <
> jaugenstine at gmail.com> wrote:
>
>> Brian,
>>
>> Are you saying that playing a file that is in wav format to an inbound
>> call that has an opus codec has little or no CPU impact?  If so, do you
>> happen to have any data showing that?
>>
>> Jonathan
>>
>> On Fri, Sep 26, 2014 at 3:29 PM, Brian West <brian at freeswitch.org> wrote:
>>
>>> Yes but the time spent on this will never be recovered, there is no
>>> gain, no loss, and no reason to do so.
>>>
>>> On Fri, Sep 26, 2014 at 4:47 PM, jonathan augenstine <
>>> jaugenstine at gmail.com> wrote:
>>>
>>>> Brian,
>>>>
>>>> It is a project requirement.  They want to have the audio files
>>>> available in the format of the codec of the incoming calls.
>>>>
>>>> Jonathan
>>>>
>>>> On Fri, Sep 26, 2014 at 2:20 PM, Brian West <brian at freeswitch.org>
>>>> wrote:
>>>>
>>>>> Why are you trying to create raw opus files in the first place?
>>>>>
>>>>> On Fri, Sep 26, 2014 at 2:44 PM, jonathan augenstine <
>>>>> jaugenstine at gmail.com> wrote:
>>>>>
>>>>>> I have been working with WebRTC and utilizing the opus codec.  The
>>>>>> sound quality on calls is great.  I have been encountering some file issues
>>>>>> however and want to get some input on how to best proceed.  When the call
>>>>>> is has both ends in Opus, or if Freeswitch is transcoding the call has no
>>>>>> issues.  The only issues I encounter are the following.
>>>>>>
>>>>>> 1. fs_encode fails to create a valid opus file
>>>>>> When fs_encode executes, you do see mod_opus load successfully.
>>>>>> However, the file that is created cannot be read by opus.org
>>>>>> utilities, specifically opusinfo.
>>>>>>
>>>>>> The command line I use is:
>>>>>> fs_encode -l mod_opus infile.wav outfile.opus
>>>>>>
>>>>>> 2. Streaming a file that is encoded in opus format fails
>>>>>> If I encode a file using opus.org tools, opusenc, I have a valid
>>>>>> opus file and I am able to open it with other audio applications.  If I
>>>>>> call into freeswitch and try to stream out that file, there is no error
>>>>>> reported in the console logs, but the audio heard is garbled.
>>>>>>
>>>>>> Basically the mod_opus appears to work but reading, writing files
>>>>>> appears to have an issue.
>>>>>>
>>>>>> My questions.
>>>>>> 1. Is there anything I might have configured incorrectly?
>>>>>> 2. What information can I grab to help troubleshoot this issue?
>>>>>>
>>>>>> Jonathan
>>>>>>
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> 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
>>>>>
>>>>>
>>>>> _________________________________________________________________________
>>>>> 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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>>>>>
>>>>
>>>>
>>>>
>>>> _________________________________________________________________________
>>>> 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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>>>>
>>>
>>>
>>>
>>> --
>>>
>>> *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
>>
>> 
>> 
>>
>> FreeSWITCH-users mailing list
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>> 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
>
> 
> 
>
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