[asterisk-dev] [Code Review] Chan_sip: Voice frame dropped for every early media audio call

Matthew Nicholson reviewboard at asterisk.org
Mon Apr 18 12:50:26 CDT 2011


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/branches/1.4/channels/chan_sip.c
<https://reviewboard.asterisk.org/r/1186/#comment6991>

    I think this does need to stay within the lock.


- Matthew


On 2011-04-18 05:55:30, Olle E Johansson wrote:
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> (Updated 2011-04-18 05:55:30)
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> 
> Review request for Asterisk Developers.
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> 
> Summary
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> The code for checking T.38 in sip_write accidentally drops one frame in situations where an audio frame forces early media . If you compare with the video code below this part of the code, the frame is not dropped even though we add an 183 message. It's not a big issue, but nevertheless, frames are frames and should be treated with love and care.
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> Moved the T.38 check out of the lock - maybe that's wrong?
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> This addresses bug 19312.
>     https://issues.asterisk.org/view.php?id=19312
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> 
> Diffs
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>   /branches/1.4/channels/chan_sip.c 313187 
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> Diff: https://reviewboard.asterisk.org/r/1186/diff
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> 
> Testing
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> Can't test with T.38 - only with audio. It works.
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> 
> Thanks,
> 
> Olle E
> 
>

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