[asterisk-dev] [Code Review] Fix MOH on simultaneous confbridge user entry to a new conference.

[rmudgett]

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This is an automatically generated e-mail. To reply, visit:
https://reviewboard.asterisk.org/r/2232/
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Review request for Asterisk Developers.


Summary
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When two users enter a new conference simultaneously, one of the callers hears MOH.

* Created a confbridge internal MOH API to eliminate the inlined MOH handling code.
Note that the conference mixing bridge needs to be locked when actually starting/stopping MOH because there is a small window between the conference join unsuspend MOH and actually joining the mixing bridge.  Doing the lock this way may be a violation of the bridging API.  I don't see an alternative though.  See the comment in the conf_moh_start()/conf_moh_stop() functions.

* Created the concept of suspended MOH so it can be interrupted while conference join announcements and DTMF features can operate.

* Suspend any MOH until the user actually joins the bridge of the conference.  This way any pre-join file playback does not need to worry about MOH.


This addresses bug ASTERISK-20606.
    https://issues.asterisk.org/jira/browse/ASTERISK-20606


Diffs
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  /branches/10/apps/app_confbridge.c 377356 
  /branches/10/apps/confbridge/conf_state_multi_marked.c 377356 
  /branches/10/apps/confbridge/include/confbridge.h 377356 

Diff: https://reviewboard.asterisk.org/r/2232/diff


Testing
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Simultaneous entry to a new conference does not have one of the users still hearing MOH.


Thanks,

rmudgett

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