[Freeswitch-dev] Audio formats without transcoding

[Michael S Collins]

 From my experience if the native file format is not found then it  
will not play anything, but will show a file not found error.

-MC

Sent from my iPhone

On Jan 2, 2009, at 3:38 AM, "Mikael A. Bjerkeland" <mikael at bjerkeland.com 
 > wrote:

> Michael,
>
> let's say G722 isn't found, but .wav is, will FS revert to using
> the .wav file and transcode if the file extension is not specified in
> playback?
>
> I will be creating a script to convert any file using sox to every
> specified format so we can avoid transcoding as much as possible.
> The script will appear at
> http://wiki.freeswitch.org/wiki/Mod_native_file anytime soon.
>
>
> El mar, 09-12-2008 a las 08:34 -0800, Michael Collins escribió:
>> Unfortunately mod_native_file hasn't been documented on the wiki yet.
>> I'm going to work on that. However, the gist of it is this: if you
>> have a file in the proper format, such as g711, then you can specify
>> the file name w/o the extension and FreeSWITCH will pick the right  
>> one
>> for the codec being used. You'll need to make sure that your file
>> names have the proper extensions, like .pcmu for mu-law. A complete
>> list is available here:
>> http://www.iana.org/assignments/media-types/audio/
>>
>> so if you have these files:
>> /tmp/hello.wav
>> /tmp/hello.pcmu
>> /tmp/hello.gsm
>> /tmp/hello.g729
>>
>> you can specify the exact file name, in which case FS will play the
>> file and do whatever transcoding is needed. Or you can specify the
>> filename without the extension and FS will pick the appropriate one:
>>
>> <action application="playback" data="/tmp/hello"/>
>>
>> Look for an update on the wiki in the next day or two. In the  
>> meantime
>> please report back if you have any issues.
>>
>> -MC
>>
>> On Tue, Dec 9, 2008 at 7:24 AM, Michael Jerris <mike at jerris.com>  
>> wrote:
>>> yes, you can use mod_native_file.
>>>
>>> Mike
>>>
>>> On Dec 9, 2008, at 9:10 AM, Juan Jose Comellas wrote:
>>>
>>>> I need to support calls using G.711, G.729 and G.722 and I want to
>>>> avoid transcoding as much as possible. Does FreeSWITCH support  
>>>> playing
>>>> audios in a raw format that does not require transcoding for any of
>>>> these codecs? It looks like FS provides WAV audio files with the
>>>> frequencies of the supported codecs and relies on transcoding all  
>>>> the
>>>> time. Is my analysis correct? How does everybody else handle this
>>>> problem?
>>>
>>>
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>
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