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This is an automatically generated e-mail. To reply, visit:
https://reviewboard.asterisk.org/r/3112/
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Review request for Asterisk Developers.


Repository: Asterisk


Description
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When streaming mp3s or using a custom musiconhold app, selecting format=sln16 
wasn't possible. The audio would become choppy and unbearable.

The cause is that the reader only feeds 8kHz of info to asterisk per second, 
while we require 16kHz.


Diffs
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  /trunk/res/res_musiconhold.c 405210 

Diff: https://reviewboard.asterisk.org/r/3112/diff/


Testing
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The basic class->format calculation worked on Asterisk 11 with the following 
scenario. I added a bit of documentation and it still compiles.


[default]
mode=custom
;application=/etc/asterisk/musiconhold.sh 8000
;format=slin
application=/etc/asterisk/musiconhold.sh 16000
format=slin16


#!/bin/sh
hz="$1"
test -z "$hz" && hz=8000
mp3toraw="/usr/bin/madplay -Q -o raw:- --mono -b 16 -R $hz -a -12 -"
cat my_audio_file.mp3 | $mp3toraw


Thanks,

wdoekes

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