Merged revisions 226531 via svnmerge from

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

........
  r226531 | file | 2009-10-29 15:11:26 -0300 (Thu, 29 Oct 2009) | 6 lines
  
  Add an option to enabling passing music on hold start and stop requests through instead of
  acting on them in chan_local.
  
  (closes issue #14709)
  Reported by: dimas
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@226532 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_local.c

@@ -125,6 +125,7 @@ struct local_pvt {
 #define LOCAL_LAUNCHED_PBX    (1 << 3) /*!< PBX was launched */
 #define LOCAL_NO_OPTIMIZATION (1 << 4) /*!< Do not optimize using masquerading */
 #define LOCAL_BRIDGE          (1 << 5) /*!< Report back the "true" channel as being bridged to */
+#define LOCAL_MOH_PASSTHRU    (1 << 6) /*!< Pass through music on hold start/stop frames */
 
 static AST_LIST_HEAD_STATIC(locals, local_pvt);
 
@@ -412,9 +413,9 @@ static int local_indicate(struct ast_channel *ast, int condition, const void *da
 		return -1;
 
 	/* If this is an MOH hold or unhold, do it on the Local channel versus real channel */
-	if (condition == AST_CONTROL_HOLD) {
+	if (!ast_test_flag(p, LOCAL_MOH_PASSTHRU) && condition == AST_CONTROL_HOLD) {
 		ast_moh_start(ast, data, NULL);
-	} else if (condition == AST_CONTROL_UNHOLD) {
+	} else if (!ast_test_flag(p, LOCAL_MOH_PASSTHRU) && condition == AST_CONTROL_UNHOLD) {
 		ast_moh_stop(ast);
 	} else if (condition == AST_CONTROL_CONNECTED_LINE || condition == AST_CONTROL_REDIRECTING) {
 		struct ast_channel *this_channel;
@@ -759,6 +760,9 @@ static struct local_pvt *local_alloc(const char *data, int format)
 		if (strchr(opts, 'b')) {
 			ast_set_flag(tmp, LOCAL_BRIDGE);
 		}
+		if (strchr(opts, 'm')) {
+			ast_set_flag(tmp, LOCAL_MOH_PASSTHRU);
+		}
 	}
 
 	/* Look for a context */

doc/tex/localchannel.tex

@@ -27,6 +27,10 @@ audio that it receives from the channel that called the local channel.  This is
 especially in the case of putting chan\_local in between an incoming SIP call
 and Asterisk applications, so that the incoming audio will be de-jittered.
 
+Using the "m" option will cause chan_local to forward music on hold start and stop
+requests. Normally chan_local acts on them and it is started or stopped on the
+Local channel itself.
+
 \subsection{Purpose}
 
 The Local channel construct can be used to establish dialing into any part of