[sr-dev] rtpengine SDP duplication

[Richard Fuchs]

On 07/14/14 08:47, Juha Heinanen wrote:
> Richard Fuchs writes:
> 
>> I'm not too familiar with the internals of the branching logic, but if
>> you send out the same SDP a second time, you don't need to call _offer()
>> again. If you do want to call it again (say, with different flags),
>> you'd have to undo the changes done by the first call and then call it
>> again. The msg_apply_changes() function may come in useful.
> 
> are you sure that msg_apply_changes is needed?  i have thought that sdp
> changes made in branch_route are only visible in that branch.

Like I said, I'm not familiar with the internals, so I'm mostly
guessing. But I know that when you try to rewrite an SDP already
rewritten by rtpengine, then you get these kind of strange duplication
effects. Perhaps Alex can post a dumbed-down version of his config.

cheers