Merged revisions 297311 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.6.2

................
  r297311 | twilson | 2010-12-02 12:07:39 -0600 (Thu, 02 Dec 2010) | 21 lines
  
  Merged revisions 297310 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.4
  
  ........
    r297310 | twilson | 2010-12-02 12:00:27 -0600 (Thu, 02 Dec 2010) | 12 lines
    
    Initialize offset for adaptive jitter buffer
    
    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.
  
    Review: https://reviewboard.asterisk.org/r/1041/
  ........
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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@297312 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/abstract_jb.c

@@ -762,6 +762,11 @@ static void jb_destroy_adaptive(void *jb)
 
 static int jb_put_first_adaptive(void *jb, struct ast_frame *fin, long now)
 {
+	jitterbuf *adaptivejb = (jitterbuf *) jb;
+
+	/* Initialize the offset to that of the first frame's timestamp */
+	adaptivejb->info.resync_offset = fin->ts;
+
 	return jb_put_adaptive(jb, fin, now);
 }