From 9879731f8ff96e2c33d2b17d7ef18e19a94cf2e8 Mon Sep 17 00:00:00 2001
From: Brian West <brian@freeswitch.org>
Date: Thu, 21 Jul 2016 22:11:29 -0500
Subject: [PATCH] FS-9334

---
 src/switch_rtp.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index 0fefeaee54..9834045ec2 100644
--- a/src/switch_rtp.c
+++ b/src/switch_rtp.c
@@ -452,6 +452,7 @@ struct switch_rtp {
 	uint8_t has_ice;
 	uint8_t punts;
 	uint8_t clean;
+	uint32_t last_max_vb_frames;
 #ifdef ENABLE_ZRTP
 	zrtp_session_t *zrtp_session;
 	zrtp_profile_t *zrtp_profile;
@@ -4110,9 +4111,15 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_set_video_buffer_size(switch_rtp_t *r
 	}
 
 	if (!max_frames) {
-		max_frames = 50;
+		max_frames = rtp_session->last_max_vb_frames;
+	}
+	
+	if (!max_frames || frames >= max_frames) {
+		max_frames = frames + 8;
 	}
 
+	rtp_session->last_max_vb_frames = max_frames;
+	
 	if (!rtp_session->vb) {
 		switch_jb_create(&rtp_session->vb, SJB_VIDEO, frames, max_frames, rtp_session->pool);
 		switch_jb_set_session(rtp_session->vb, rtp_session->session);