FS-9334

diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index 0fefeaee54473842aa4bb1d8f03e8ba9f787af6a..9834045ec24ae52d30e1df236cec5f104845d38c 100644 (file)
--- 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);