[asterisk-dev] [Code Review] Initialize the adaptive jitter buffer's offset to the timestamp of the first frame

[Terry Wilson]

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https://reviewboard.asterisk.org/r/1041/
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Review request for Asterisk Developers.


Summary
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When the adaptive jitter buffer is enabled in sip.conf, the first frame placed in the jitter buffer fails with something like:

jb_warning_output: Resyncing the jb. last_delay 0, this delay -215886466, threshold 1000, new offset 215886466

This happens because the offset is not initialized before calling jb_put(). This patch modifies jb_put_first_adaptive() to set the offset to the frame's timestamp.


Diffs
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  /branches/1.4/main/abstract_jb.c 297175 

Diff: https://reviewboard.asterisk.org/r/1041/diff


Testing
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sip.conf jbenabled=yes, jbimpl=adaptive, jbforced=yes, jbresyncthreshold=1000. Phone1 -> Asterisk -> Phone2. Before patch: warning, After patch: no warning. 


Thanks,

Terry

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