[asterisk-bugs] [JIRA] (ASTERISK-26875) MixMonitor randomly out of sync

[Asterisk Team (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-26875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=235835#comment-235835 ] 

Asterisk Team commented on ASTERISK-26875:
------------------------------------------

Thanks for creating a report! The issue has entered the triage process. That means the issue will wait in this status until a Bug Marshal has an opportunity to review the issue. Once the issue has been reviewed you will receive comments regarding the next steps towards resolution.

A good first step is for you to review the [Asterisk Issue Guidelines|https://wiki.asterisk.org/wiki/display/AST/Asterisk+Issue+Guidelines] if you haven't already. The guidelines detail what is expected from an Asterisk issue report.

Then, if you are submitting a patch, please review the [Patch Contribution Process|https://wiki.asterisk.org/wiki/display/AST/Patch+Contribution+Process].

> MixMonitor randomly out of sync
> -------------------------------
>
>                 Key: ASTERISK-26875
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26875
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_mixmonitor
>    Affects Versions: 13.8.0
>         Environment: CentOS6.5X64
>            Reporter: Aaron An
>
> MixMonitor randomly out of sync when s
> Both side are PJSIP channel.
> Asterisk call Alias，Alias answer and then go to the DIALPLAN to start MixMonitor and Dial Bob，Bob response 183 with SDP but no RTP stream feed. the record is out of sync.
> just look at the audiohook.c line 180. if other_factory_samples is 0 we never flush the factory although  "our_factory_ms - other_factory_ms"  may very large.
> ====================audiohook.c=============================
> 	our_factory_samples = ast_slinfactory_available(factory);
> 	our_factory_ms = ast_tvdiff_ms(*rwtime, previous_time) + (our_factory_samples / (audiohook->hook_internal_samp_rate / 1000));
> 	other_factory_samples = ast_slinfactory_available(other_factory);
> 	other_factory_ms = other_factory_samples / (audiohook->hook_internal_samp_rate / 1000);
> 	if (ast_test_flag(audiohook, AST_AUDIOHOOK_TRIGGER_SYNC) && other_factory_samples && (our_factory_ms - other_factory_ms > AST_AUDIOHOOK_SYNC_TOLERANCE)) {
> 		ast_debug(1, "Flushing audiohook %p so it remains in sync\n", audiohook);
> 		ast_slinfactory_flush(factory);
> 		ast_slinfactory_flush(other_factory);
> 	}
> ====================audiohook.c=============================



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