From 0cfe2331747cf982290ba9eb778d2b0cf8dc2c5a Mon Sep 17 00:00:00 2001
From: Liong Sauw Ming <ming@teluu.com>
Date: Wed, 28 May 2014 08:44:31 +0000
Subject: Re #1751 (misc): Avoid setting sound device if sound devices are the
 same (thanks to Christian Ambach for the patch)

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@4852 74dad513-b988-da41-8d7b-12977e46ad98
---
 pjsip/src/pjsua-lib/pjsua_aud.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pjsip/src/pjsua-lib/pjsua_aud.c b/pjsip/src/pjsua-lib/pjsua_aud.c
index f4f93a09..aeb7e5f1 100644
--- a/pjsip/src/pjsua-lib/pjsua_aud.c
+++ b/pjsip/src/pjsua-lib/pjsua_aud.c
@@ -1919,6 +1919,15 @@ PJ_DEF(pj_status_t) pjsua_set_snd_dev( int capture_dev,
 
     PJSUA_LOCK();
 
+    if (pjsua_var.cap_dev == capture_dev &&
+	pjsua_var.play_dev == playback_dev)
+    {
+	PJ_LOG(4, (THIS_FILE, "No changes in capture and playback devices"));
+        PJSUA_UNLOCK();
+        pj_log_pop_indent();
+	return PJ_SUCCESS;
+    }
+    
     /* Null-sound */
     if (capture_dev==NULL_SND_DEV_ID && playback_dev==NULL_SND_DEV_ID) {
 	PJSUA_UNLOCK();
-- 
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