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Adding a new dialplan function AUDIOHOOK_INHERIT

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This function is being added as a method to allow for
an audiohook to move to a new channel during a channel
masquerade. The most obvious use for such a facility is
for MixMonitor when a transfer is performed. Prior to
the addition of this functionality, if a channel 
running MixMonitor was transferred by another party, then
the recording would stop once the transfer had completed.
By using AUDIOHOOK_INHERIT, you can make MixMonitor 
continue recording the call even after the transfer
has completed.

It has also been determined that since this is seen
by most as a bug fix and is not an invasive change,
this functionality will also be backported to 1.4 and
merged into the 1.6.0 branches, even though they are
feature-frozen.

(closes issue #13538)
Reported by: mbit
Patches:
      13538.patch uploaded by putnopvut (license 60)
	  Tested by: putnopvut

Review: http://reviewboard.digium.com/r/102/



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@166092 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2008-12-19 22:26:16 +00:00
parent 775033301a
commit 9733b30ff0
5 changed files with 336 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
main/audiohook.c
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@@ -412,6 +412,11 @@ int ast_audiohook_detach_list(struct ast_audiohook_list *audiohook_list)
return 0;
}
/*! \brief find an audiohook based on its source
* \param audiohook_list The list of audiohooks to search in
* \param source The source of the audiohook we wish to find
* \return Return the corresponding audiohook or NULL if it cannot be found.
*/
static struct ast_audiohook *find_audiohook_by_source(struct ast_audiohook_list *audiohook_list, const char *source)
{
struct ast_audiohook *audiohook = NULL;
@@ -434,6 +439,25 @@ static struct ast_audiohook *find_audiohook_by_source(struct ast_audiohook_list
return NULL;
}
void ast_audiohook_move_by_source (struct ast_channel *old_chan, struct ast_channel *new_chan, const char *source)
{
struct ast_audiohook *audiohook = find_audiohook_by_source(old_chan->audiohooks, source);
if (!audiohook) {
return;
}
/* By locking both channels and the audiohook, we can assure that
* another thread will not have a chance to read the audiohook's status
* as done, even though ast_audiohook_remove signals the trigger
* condition
*/
ast_audiohook_lock(audiohook);
ast_audiohook_remove(old_chan, audiohook);
ast_audiohook_attach(new_chan, audiohook);
ast_audiohook_unlock(audiohook);
}
/*! \brief Detach specified source audiohook from channel
* \param chan Channel to detach from
* \param source Name of source to detach