[asterisk-bugs] [JIRA] (ASTERISK-28284) switching between native_bridge and simple_bridge can cause one way audio

[Torrey Searle (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-28284?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Torrey Searle updated ASTERISK-28284:
-------------------------------------

    Attachment: issue.pcapng.gz

> switching between native_bridge and simple_bridge can cause one way audio
> -------------------------------------------------------------------------
>
>                 Key: ASTERISK-28284
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28284
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Resources/res_rtp_asterisk
>    Affects Versions: 13.25.0
>            Reporter: Torrey Searle
>         Attachments: issue.pcapng.gz
>
>
> when there is a codec change, the smoother needs to be destroyed an recreated or else the smoother will discard the frames in the unexpected new format.
> To decide if the smoother needs to replaced, res_rtp_asterisk looks at lasttxformat  
> however p2p_write also updates lasttxformat but doesn't destroy the smoother causing a 1 way audio issue if returning to simple bridge afterwards
> Attached is a pcap and logs that demonstrate the issue & a test that can somtimes reproduce the issue



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