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Merged revisions 195991 via svnmerge from

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https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r195991 | dvossel | 2009-05-21 14:04:56 -0500 (Thu, 21 May 2009) | 14 lines
  
  Sign problem calculating timestamp for iax frame leads to no audio on the receiving peer.
  
  There are rare cases in which a frame's delivery timestamp is slightly less than the iax2_pvt's offset.  This causes the pvt's timestamp to be a small negative number, but since the timestamp value is unsigned it looks like a huge positive number.  This patch checks for this negative case and sets the ms to zero.  A similar check is already done right below this one in the 'else' statement.
  
  (closes issue #15032)
  Reported by: guillecabeza
  Patches:
        chan_iax2.c.patch_timestamp uploaded by guillecabeza (license 380)
  Tested by: guillecabeza
  
  (closes issue #14216)
  Reported by: Andrey Sofronov
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@195995 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David Vossel
2009-05-21 19:11:49 +00:00
parent 1e3ac401f4
commit 88bda581ec
1 changed files with 3 additions and 0 deletions
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channels/chan_iax2.c
+3
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@@ -4667,6 +4667,9 @@ static unsigned int calc_timestamp(struct chan_iax2_pvt *p, unsigned int ts, str
/* If we have a time that the frame arrived, always use it to make our timestamp */
if (delivery && !ast_tvzero(*delivery)) {
ms = ast_tvdiff_ms(*delivery, p->offset);
if (ms < 0) {
ms = 0;
}
if (iaxdebug)
ast_debug(3, "calc_timestamp: call %d/%d: Timestamp slaved to delivery time\n", p->callno, iaxs[p->callno]->peercallno);
} else {