(Ticket #52) Added functions to retrieve media port of player and recorder in PJSUA-API

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@865 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjsip/src/pjsua-lib/pjsua_media.c b/pjsip/src/pjsua-lib/pjsua_media.c
index 07af5fb..46d99a2 100644
--- a/pjsip/src/pjsua-lib/pjsua_media.c
+++ b/pjsip/src/pjsua-lib/pjsua_media.c
@@ -784,6 +784,20 @@
     return pjsua_var.player[id].slot;
 }
 
+/*
+ * Get the media port for the player.
+ */
+PJ_DEF(pj_status_t) pjsua_player_get_port( pjsua_recorder_id id,
+					   pjmedia_port **p_port)
+{
+    PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL);
+    PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL);
+    PJ_ASSERT_RETURN(p_port != NULL, PJ_EINVAL);
+    
+    *p_port = pjsua_var.player[id].port;
+
+    return PJ_SUCCESS;
+}
 
 /*
  * Set playback position.
@@ -952,6 +966,19 @@
     return pjsua_var.recorder[id].slot;
 }
 
+/*
+ * Get the media port for the recorder.
+ */
+PJ_DEF(pj_status_t) pjsua_recorder_get_port( pjsua_recorder_id id,
+					     pjmedia_port **p_port)
+{
+    PJ_ASSERT_RETURN(id>=0 && id<PJ_ARRAY_SIZE(pjsua_var.recorder), PJ_EINVAL);
+    PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL);
+    PJ_ASSERT_RETURN(p_port != NULL, PJ_EINVAL);
+
+    *p_port = pjsua_var.recorder[id].port;
+    return PJ_SUCCESS;
+}
 
 /*
  * Destroy recorder (this will complete recording).