Added jitter buffer settings in PJSUA-API media config

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@813 74dad513-b988-da41-8d7b-12977e46ad98

2 files changed, 35 insertions, 0 deletions

diff --git a/pjsip/include/pjsua-lib/pjsua.h b/pjsip/include/pjsua-lib/pjsua.h
index 12503780..ec040fb9 100644
--- a/pjsip/include/pjsua-lib/pjsua.h
+++ b/pjsip/include/pjsua-lib/pjsua.h
@@ -2324,6 +2324,36 @@ struct pjsua_media_config
      * Default: PJSUA_DEFAULT_EC_TAIL_LEN
      */
     unsigned		ec_tail_len;
+
+    /** 
+     * Jitter buffer initial prefetch delay in msec. The value must be
+     * between jb_min_pre and jb_max_pre below.
+     *
+     * Default: -1 (to use default stream settings, currently 150 msec)
+     */
+    int			jb_init;
+
+    /**
+     * Jitter buffer minimum prefetch delay in msec.
+     *
+     * Default: -1 (to use default stream settings, currently 60 msec)
+     */
+    int			jb_min_pre;
+    
+    /**
+     * Jitter buffer maximum prefetch delay in msec.
+     *
+     * Default: -1 (to use default stream settings, currently 240 msec)
+     */
+    int			jb_max_pre;
+
+    /**
+     * Set maximum delay that can be accomodated by the jitter buffer msec.
+     *
+     * Default: -1 (to use default stream settings, currently 360 msec)
+     */
+    int			jb_max;
+
 };
 
 
@@ -2343,6 +2373,7 @@ PJ_INLINE(void) pjsua_media_config_default(pjsua_media_config *cfg)
     cfg->quality = PJSUA_DEFAULT_CODEC_QUALITY;
     cfg->ilbc_mode = PJSUA_DEFAULT_ILBC_MODE;
     cfg->ec_tail_len = PJSUA_DEFAULT_EC_TAIL_LEN;
+    cfg->jb_init = cfg->jb_min_pre = cfg->jb_max_pre = cfg->jb_max = -1;
 }
 
 
diff --git a/pjsip/src/pjsua-lib/pjsua_call.c b/pjsip/src/pjsua-lib/pjsua_call.c
index 1df12e5c..d5530570 100644
--- a/pjsip/src/pjsua-lib/pjsua_call.c
+++ b/pjsip/src/pjsua-lib/pjsua_call.c
@@ -2131,6 +2131,10 @@ static void pjsua_call_on_media_update(pjsip_inv_session *inv,
 	/* Optionally, application may modify other stream settings here
 	 * (such as jitter buffer parameters, codec ptime, etc.)
 	 */
+	sess_info.stream_info[0].jb_init = pjsua_var.media_cfg.jb_init;
+	sess_info.stream_info[0].jb_min_pre = pjsua_var.media_cfg.jb_min_pre;
+	sess_info.stream_info[0].jb_max_pre = pjsua_var.media_cfg.jb_max_pre;
+	sess_info.stream_info[0].jb_max = pjsua_var.media_cfg.jb_max;
 
 	/* Create session based on session info. */
 	status = pjmedia_session_create( pjsua_var.med_endpt, &sess_info,