[asterisk-bugs] [JIRA] (ASTERISK-25734) Mixmonitor - gaps in recordings

[Martin Tomec (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-25734?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Tomec updated ASTERISK-25734:
------------------------------------

    Attachment: increase_audiohook_tolerance.patch

Attached patch, If somebody needs an hotfix. Patch can negatively affect synchronization in recordings from ZAP channels.

> Mixmonitor - gaps in recordings
> -------------------------------
>
>                 Key: ASTERISK-25734
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25734
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_mixmonitor
>    Affects Versions: 13.5.0
>            Reporter: Martin Tomec
>         Attachments: increase_audiohook_tolerance.patch
>
>
> On production asterisk (under some load), there are sometimes gaps in recordings (missing syllables). In debug log we have found line:
> {noformat}
> [Feb 1 11:47:38] DEBUG[27815][C-00002448] audiohook.c: Flushing audiohook 0xce18fe8 so it remains in sync
> {noformat}
> I am opening this issue to discuss solution. From my point of view, it is not needed to have recordings strictly in sync. If there are some delays in storing (e.g. I/O delay), mixmonitor can buffer frames to memory and wait.
> And if sync is needed (as found in issue [ASTERISK-11394|https://issues.asterisk.org/jira/browse/ASTERISK-11394]) mixmonitor should wait instead of flushing samples.



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