[asterisk-bugs] [JIRA] (ASTERISK-29526) G729 audio gets corrupted by Asterisk due to smoother

[under (JIRA)]

under created ASTERISK-29526:
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             Summary: G729 audio gets corrupted by Asterisk due to smoother
                 Key: ASTERISK-29526
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29526
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Core/CodecInterface
    Affects Versions: 16.19.0
            Reporter: under
            Severity: Major


If inbound Asterisk gets G.729 6-byte VAD frames, then at outbound Asterisk sends this G.729 stream with non-continuous timestamps (see rtp.log attached).

After debugging, I found this is a regression connected with RTP Smoother (main/smoother.c).

Smoother has a special code to handle G.729 VAD frames (search for  AST_SMOOTHER_FLAG_G729 in smoother.c).

However, this flag is never set in Asterisk-12 and newer.
Previously it has been set (see Asterisk-11).




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