From eea76c88562359197253233975ad2b171fc78324 Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthm@freeswitch.org>
Date: Fri, 11 Sep 2015 11:37:01 -0500
Subject: [PATCH] FS-8130

Port video buffer to also support audio and remove original STFU jitter buffer
Add some more resilience to video packet loss
Add codec control mechanism for both call-specific debug and codec/call specfic params
Make opus function better in packet loss and latent situations
Use new codec control prams to make JB lookahead FEC optionally enabled or disabled mid-call
Add Param to allow JB lookahead to be enabled.
---
 Makefile.am                                   |    6 +-
 conf/vanilla/autoload_configs/opus.conf.xml   |    2 +-
 docs/Doxygen.conf                             |    3 -
 src/CMakeLists.txt                            |    1 -
 src/include/switch.h                          |    2 +-
 src/include/switch_core.h                     |    6 +-
 src/include/switch_core_media.h               |    8 +-
 src/include/switch_jitterbuffer.h             |   79 ++
 src/include/switch_module_interfaces.h        |    2 +-
 src/include/switch_platform.h                 |    1 +
 src/include/switch_rtp.h                      |    8 +-
 src/include/switch_stfu.h                     |  206 ---
 src/include/switch_types.h                    |   13 +-
 src/include/switch_vidderbuffer.h             |   70 -
 src/mod/applications/mod_av/avcodec.c         |    2 +
 .../applications/mod_commands/mod_commands.c  |  102 ++
 .../mod_conference/conference_video.c         |   13 +-
 src/mod/codecs/mod_openh264/mod_openh264.cpp  |    2 +
 src/mod/codecs/mod_opus/mod_opus.c            |   99 +-
 src/mod/codecs/mod_silk/mod_silk.c            |   19 +-
 src/mod/codecs/mod_vpx/mod_vpx.c              |    2 +
 src/mod/endpoints/mod_rtc/mod_rtc.c           |    2 +-
 src/mod/endpoints/mod_sofia/mod_sofia.c       |    2 +-
 src/mod/endpoints/mod_sofia/rtp.c             |   14 +-
 .../languages/mod_managed/freeswitch_wrap.cxx |   82 +-
 src/mod/languages/mod_managed/managed/swig.cs |  210 ++-
 src/switch_core_codec.c                       |    4 +-
 src/switch_core_media.c                       |  114 +-
 src/switch_core_session.c                     |    4 +-
 src/switch_ivr.c                              |   57 +-
 src/switch_jitterbuffer.c                     | 1086 +++++++++++++++
 src/switch_rtp.c                              |  292 ++--
 src/switch_stfu.c                             | 1173 -----------------
 src/switch_vidderbuffer.c                     |  687 ----------
 .../FreeSwitchCore.2010.vcxproj.filters       |    6 -
 w32/Library/FreeSwitchCore.2015.vcxproj       |   41 +-
 36 files changed, 1888 insertions(+), 2532 deletions(-)
 create mode 100644 src/include/switch_jitterbuffer.h
 delete mode 100644 src/include/switch_stfu.h
 delete mode 100644 src/include/switch_vidderbuffer.h
 create mode 100644 src/switch_jitterbuffer.c
 delete mode 100644 src/switch_stfu.c
 delete mode 100644 src/switch_vidderbuffer.c

diff --git a/Makefile.am b/Makefile.am
index 75cc95c30a..282f63642b 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -224,7 +224,7 @@ library_include_HEADERS = \
 	src/include/switch_types.h \
 	src/include/switch_utils.h \
 	src/include/switch_rtp.h \
-	src/include/switch_vidderbuffer.h \
+	src/include/switch_jitterbuffer.h \
 	src/include/switch_rtcp_frame.h \
 	src/include/switch_stun.h \
 	src/include/switch_nat.h \
@@ -234,7 +234,6 @@ library_include_HEADERS = \
 	src/include/switch_cpp.h \
 	src/include/switch_curl.h \
 	src/include/switch_json.h \
-	src/include/switch_stfu.h \
 	src/include/switch_utf8.h \
 	src/include/switch_vpx.h \
 	libs/libteletone/src/libteletone_detect.h \
@@ -290,7 +289,7 @@ libfreeswitch_la_SOURCES = \
 	src/switch_resample.c \
 	src/switch_regex.c \
 	src/switch_rtp.c \
-	src/switch_vidderbuffer.c \
+	src/switch_jitterbuffer.c \
 	src/switch_ivr_bridge.c \
 	src/switch_ivr_originate.c \
 	src/switch_ivr_async.c \
@@ -315,7 +314,6 @@ libfreeswitch_la_SOURCES = \
 	src/switch_json.c \
 	src/switch_curl.c \
 	src/switch_hashtable.c\
-	src/switch_stfu.c \
 	src/switch_utf8.c \
 	libs/libtpl-1.5/src/tpl.c \
 	libs/libteletone/src/libteletone_detect.c \
diff --git a/conf/vanilla/autoload_configs/opus.conf.xml b/conf/vanilla/autoload_configs/opus.conf.xml
index 022cc15912..98a6b7fd1d 100644
--- a/conf/vanilla/autoload_configs/opus.conf.xml
+++ b/conf/vanilla/autoload_configs/opus.conf.xml
@@ -9,7 +9,7 @@
         <!--<param name="asymmetric-sample-rates" value="1"/>-->
 	<!-- Keep FEC Enabled -->
         <param name="keep-fec-enabled" value="1"/>
-
+	<!--<param name="use-jb-lookahead" value="true"/> -->
         <!--
            maxaveragebitrate: the maximum average codec bitrate (values: 6000 to 510000 in bps) 0 is not considered
            maxplaybackrate: the maximum codec internal frequency (values: 8000, 12000, 16000, 24000, 48000 in Hz) 0 is not considered
diff --git a/docs/Doxygen.conf b/docs/Doxygen.conf
index 41920106dc..08b3a978ff 100644
--- a/docs/Doxygen.conf
+++ b/docs/Doxygen.conf
@@ -1279,9 +1279,6 @@ PREDEFINED             =SWITCH_DECLARE(type)=type \
 			SPAN_DECLARE(type)=type \
 			SPAN_DECLARE_NONSTD(type)=type \
 			SPAN_DECLARE_DATA= \
-			STFU_DECLARE(type)=type \
-			STFU_DECLARE_NONSTD(type)=type \
-			STFU_DECLARE_DATA= \
 			FT_DECLARE(type)=type \
 			FT_DECLARE_NONSTD(type)=type \
 			FT_DECLARE_INLINE(type)=type \
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 294a5fb0d7..52e3381006 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -52,7 +52,6 @@ switch_log.c
 switch_xml.c
 switch_config.c
 switch_time.c
-switch_stfu.c
 switch_cpp.cpp
 g711.c
 switch_pcm.c
diff --git a/src/include/switch.h b/src/include/switch.h
index 1c55e261aa..d612532612 100644
--- a/src/include/switch.h
+++ b/src/include/switch.h
@@ -111,7 +111,6 @@
 
 #include "switch_platform.h"
 #include "switch_types.h"
-#include "switch_stfu.h"
 #include "switch_apr.h"
 #include "switch_mprintf.h"
 #include "switch_core_db.h"
@@ -144,6 +143,7 @@
 #include "switch_limit.h"
 #include "switch_core_media.h"
 #include "switch_core_video.h"
+#include "switch_jitterbuffer.h"
 #include <libteletone.h>
 
 
diff --git a/src/include/switch_core.h b/src/include/switch_core.h
index 96afd617bf..75172cff6e 100644
--- a/src/include/switch_core.h
+++ b/src/include/switch_core.h
@@ -861,7 +861,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_set_loglevel(switch_core_ses
 */
 SWITCH_DECLARE(switch_log_level_t) switch_core_session_get_loglevel(switch_core_session_t *session);
 								   
-SWITCH_DECLARE(stfu_instance_t *) switch_core_session_get_jb(switch_core_session_t *session, switch_media_type_t type);
+SWITCH_DECLARE(switch_jb_t *) switch_core_session_get_jb(switch_core_session_t *session, switch_media_type_t type);
 SWITCH_DECLARE(void) switch_core_session_soft_lock(switch_core_session_t *session, uint32_t sec);
 SWITCH_DECLARE(void) switch_core_session_soft_unlock(switch_core_session_t *session);
 SWITCH_DECLARE(void) switch_core_session_set_dmachine(switch_core_session_t *session, switch_ivr_dmachine_t *dmachine, switch_digit_action_target_t target);
@@ -1651,6 +1651,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_codec_encode_video(switch_codec_t *c
   \param cmd the command to send
   \param ctype the type of the arguement
   \param cmd_data a void pointer to the data matching the passed type
+  \param atype the type of the extra arguement
+  \param cmd_arg a void pointer to the data matching the passed type
   \param rtype the type of the response if any
   \param ret_data a void pointer to a pointer of return data
   \return SWITCH_STATUS_SUCCESS if the command was received
@@ -1659,6 +1661,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_codec_control(switch_codec_t *codec,
 														  switch_codec_control_command_t cmd, 
 														  switch_codec_control_type_t ctype,
 														  void *cmd_data,
+														  switch_codec_control_type_t atype,
+														  void *cmd_arg,
 														  switch_codec_control_type_t *rtype,
 														  void **ret_data);
 
diff --git a/src/include/switch_core_media.h b/src/include/switch_core_media.h
index da991e016a..906dbacb72 100644
--- a/src/include/switch_core_media.h
+++ b/src/include/switch_core_media.h
@@ -253,7 +253,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_udptl_mode(switch_core_session
 
 SWITCH_DECLARE(void) switch_core_media_set_rtp_flag(switch_core_session_t *session, switch_media_type_t type, switch_rtp_flag_t flag);
 SWITCH_DECLARE(void) switch_core_media_clear_rtp_flag(switch_core_session_t *session, switch_media_type_t type, switch_rtp_flag_t flag);
-SWITCH_DECLARE(stfu_instance_t *) switch_core_media_get_jb(switch_core_session_t *session, switch_media_type_t type);
+SWITCH_DECLARE(switch_jb_t *) switch_core_media_get_jb(switch_core_session_t *session, switch_media_type_t type);
 SWITCH_DECLARE(switch_rtp_stats_t *) switch_core_media_get_stats(switch_core_session_t *session, switch_media_type_t type, switch_memory_pool_t *pool);
 
 
@@ -307,15 +307,17 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_codec_control(switch_core_sess
 																switch_codec_control_command_t cmd, 
 																switch_codec_control_type_t ctype,
 																void *cmd_data,
+																switch_codec_control_type_t atype,
+																void *cmd_arg,
 																switch_codec_control_type_t *rtype,
 																void **ret_data);
 
 
 #define switch_core_media_gen_key_frame(_session) switch_core_media_codec_control(_session, SWITCH_MEDIA_TYPE_VIDEO, SWITCH_IO_WRITE, \
-																				  SCC_VIDEO_REFRESH, SCCT_NONE, NULL, NULL, NULL) \
+																				  SCC_VIDEO_REFRESH, SCCT_NONE, NULL, SCCT_NONE, NULL, NULL, NULL) \
 
 #define switch_core_media_write_bandwidth(_session, _val) switch_core_media_codec_control(_session, SWITCH_MEDIA_TYPE_VIDEO, SWITCH_IO_WRITE, \
-																						  SCC_VIDEO_BANDWIDTH, SCCT_STRING, _val, NULL, NULL) \
+																						  SCC_VIDEO_BANDWIDTH, SCCT_STRING, _val, SCCT_NONE, NULL, NULL, NULL) \
 
 
 SWITCH_DECLARE(switch_timer_t *) switch_core_media_get_timer(switch_core_session_t *session, switch_media_type_t mtype);
diff --git a/src/include/switch_jitterbuffer.h b/src/include/switch_jitterbuffer.h
new file mode 100644
index 0000000000..7ae0d04ece
--- /dev/null
+++ b/src/include/switch_jitterbuffer.h
@@ -0,0 +1,79 @@
+/* 
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthm@freeswitch.org>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * 
+ * Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * switch_jitterbuffer.h -- Audio/Video Jitter Buffer
+ *
+ */
+
+
+#ifndef SWITCH_VIDDERBUFFER_H
+#define SWITCH_VIDDERBUFFER_H
+
+typedef enum {
+	SJB_QUEUE_ONLY = (1 << 0)
+} switch_jb_flag_t;
+
+typedef enum {
+	SJB_VIDEO = 0,
+	SJB_AUDIO
+} switch_jb_type_t;
+
+
+SWITCH_BEGIN_EXTERN_C
+SWITCH_DECLARE(switch_status_t) switch_jb_create(switch_jb_t **jbp, switch_jb_type_t type,
+												 uint32_t min_frame_len, uint32_t max_frame_len, switch_memory_pool_t *pool);
+SWITCH_DECLARE(switch_status_t) switch_jb_set_frames(switch_jb_t *jb, uint32_t min_frame_len, uint32_t max_frame_len);
+SWITCH_DECLARE(switch_status_t) switch_jb_peek_frame(switch_jb_t *jb, uint16_t seq, int peek, switch_frame_t *frame);
+SWITCH_DECLARE(switch_status_t) switch_jb_get_frames(switch_jb_t *jb, uint32_t *min_frame_len, uint32_t *max_frame_len, uint32_t *cur_frame_len, uint32_t *highest_frame_len);
+SWITCH_DECLARE(switch_status_t) switch_jb_destroy(switch_jb_t **jbp);
+SWITCH_DECLARE(void) switch_jb_reset(switch_jb_t *jb);
+SWITCH_DECLARE(void) switch_jb_debug_level(switch_jb_t *jb, uint8_t level);
+SWITCH_DECLARE(int) switch_jb_frame_count(switch_jb_t *jb);
+SWITCH_DECLARE(int) switch_jb_poll(switch_jb_t *jb);
+SWITCH_DECLARE(switch_status_t) switch_jb_push_packet(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t len);
+SWITCH_DECLARE(switch_status_t) switch_jb_put_packet(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t len);
+SWITCH_DECLARE(switch_size_t) switch_jb_get_last_read_len(switch_jb_t *jb);
+SWITCH_DECLARE(switch_status_t) switch_jb_get_packet(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t *len);
+SWITCH_DECLARE(uint32_t) switch_jb_pop_nack(switch_jb_t *jb);
+SWITCH_DECLARE(switch_status_t) switch_jb_get_packet_by_seq(switch_jb_t *jb, uint16_t seq, switch_rtp_packet_t *packet, switch_size_t *len);
+SWITCH_DECLARE(void) switch_jb_set_session(switch_jb_t *jb, switch_core_session_t *session);
+SWITCH_DECLARE(void) switch_jb_set_flag(switch_jb_t *jb, switch_jb_flag_t flag);
+SWITCH_DECLARE(void) switch_jb_clear_flag(switch_jb_t *jb, switch_jb_flag_t flag);
+
+SWITCH_END_EXTERN_C
+#endif
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
+ */
diff --git a/src/include/switch_module_interfaces.h b/src/include/switch_module_interfaces.h
index 9732e40b59..feb9337d54 100644
--- a/src/include/switch_module_interfaces.h
+++ b/src/include/switch_module_interfaces.h
@@ -119,7 +119,7 @@ typedef switch_status_t (*switch_io_state_change_t) (switch_core_session_t *);
 typedef switch_status_t (*switch_io_state_run_t) (switch_core_session_t *);
 typedef switch_status_t (*switch_io_read_video_frame_t) (switch_core_session_t *, switch_frame_t **, switch_io_flag_t, int);
 typedef switch_status_t (*switch_io_write_video_frame_t) (switch_core_session_t *, switch_frame_t *, switch_io_flag_t, int);
-typedef stfu_instance_t *(*switch_io_get_jb_t) (switch_core_session_t *, switch_media_type_t);
+typedef switch_jb_t *(*switch_io_get_jb_t) (switch_core_session_t *, switch_media_type_t);
 
 typedef enum {
 	SWITCH_IO_OUTGOING_CHANNEL,
diff --git a/src/include/switch_platform.h b/src/include/switch_platform.h
index 40c1ecde25..933c4d3688 100644
--- a/src/include/switch_platform.h
+++ b/src/include/switch_platform.h
@@ -128,6 +128,7 @@ typedef int gid_t;
 #include <arpa/inet.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <netdb.h>
 #endif // _MSC_VER
 #ifndef __LITTLE_ENDIAN
 #define __LITTLE_ENDIAN 1234
diff --git a/src/include/switch_rtp.h b/src/include/switch_rtp.h
index 6fed5c1502..2c5dce8f58 100644
--- a/src/include/switch_rtp.h
+++ b/src/include/switch_rtp.h
@@ -328,8 +328,8 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_activate_rtcp(switch_rtp_t *rtp_sessi
 
 SWITCH_DECLARE(switch_timer_t *) switch_rtp_get_media_timer(switch_rtp_t *rtp_session);
 
-SWITCH_DECLARE(switch_status_t) switch_rtp_set_video_buffer_size(switch_rtp_t *rtp_session, uint32_t frames);
-SWITCH_DECLARE(uint32_t) switch_rtp_get_video_buffer_size(switch_rtp_t *rtp_session);
+SWITCH_DECLARE(switch_status_t) switch_rtp_set_video_buffer_size(switch_rtp_t *rtp_session, uint32_t frames, uint32_t max_frames);
+SWITCH_DECLARE(switch_status_t) switch_rtp_get_video_buffer_size(switch_rtp_t *rtp_session, uint32_t *min_frame_len, uint32_t *max_frame_len, uint32_t *cur_frame_len, uint32_t *highest_frame_len);
 
 /*! 
   \brief Acvite a jitter buffer on an RTP session
@@ -340,13 +340,13 @@ SWITCH_DECLARE(uint32_t) switch_rtp_get_video_buffer_size(switch_rtp_t *rtp_sess
 SWITCH_DECLARE(switch_status_t) switch_rtp_activate_jitter_buffer(switch_rtp_t *rtp_session, 
 																  uint32_t queue_frames,
 																  uint32_t max_queue_frames,
-																  uint32_t samples_per_packet, uint32_t samples_per_second, uint32_t max_drift);
+																  uint32_t samples_per_packet, uint32_t samples_per_second);
 
 SWITCH_DECLARE(switch_status_t) switch_rtp_debug_jitter_buffer(switch_rtp_t *rtp_session, const char *name);
 
 SWITCH_DECLARE(switch_status_t) switch_rtp_deactivate_jitter_buffer(switch_rtp_t *rtp_session);
 SWITCH_DECLARE(switch_status_t) switch_rtp_pause_jitter_buffer(switch_rtp_t *rtp_session, switch_bool_t pause);
-SWITCH_DECLARE(stfu_instance_t *) switch_rtp_get_jitter_buffer(switch_rtp_t *rtp_session);
+SWITCH_DECLARE(switch_jb_t *) switch_rtp_get_jitter_buffer(switch_rtp_t *rtp_session);
 
 
 
diff --git a/src/include/switch_stfu.h b/src/include/switch_stfu.h
deleted file mode 100644
index d15067ba98..0000000000
--- a/src/include/switch_stfu.h
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * STFU (S)ort (T)ransportable (F)ramed (U)tterances
- * Copyright (c) 2007-2014 Anthony Minessale II <anthm@freeswitch.org>
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE. 
- *
- * THOSE WHO DISAGREE MAY CERTAINLY STFU
- */
-
-#ifndef STFU_H
-#define STFU_H
-
-#include <switch.h> 
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-#ifdef __STUPIDFORMATBUG__
-}
-#endif
-
-#if !defined(MACOSX) && !defined(_XOPEN_SOURCE) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__cplusplus)
-#define _XOPEN_SOURCE 600
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-
-#if (_MSC_VER >= 1400)			// VC8+
-#define stfu_assert(expr) assert(expr);__analysis_assume( expr )
-#endif
-
-#ifndef stfu_assert
-#define stfu_assert(_x) assert(_x)
-#endif
-
-#ifdef  _MSC_VER
-#if _MSC_VER < 1900
-#if !defined(_STDINT) && !defined(uint32_t)
-typedef unsigned __int8     uint8_t;
-typedef unsigned __int16    uint16_t;
-typedef unsigned __int32    uint32_t;
-typedef unsigned __int64    uint64_t;
-typedef __int8      int8_t;
-typedef __int16     int16_t;
-typedef __int32     int32_t;
-typedef __int64     int64_t;
-typedef unsigned long   in_addr_t;
-#endif
-#define snprintf _snprintf
-#endif
-#else
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <time.h>
-#include <inttypes.h>
-#endif
-#include <assert.h>
-
-#ifdef WIN32
-#include <winsock2.h>
-#include <windows.h>
-typedef SOCKET stfu_socket_t;
-#ifndef _STDINT
-typedef unsigned __int64 uint64_t;
-typedef unsigned __int32 uint32_t;
-typedef unsigned __int16 uint16_t;
-typedef unsigned __int8 uint8_t;
-typedef __int64 int64_t;
-typedef __int32 int32_t;
-typedef __int16 int16_t;
-typedef __int8 int8_t;
-#endif
-typedef intptr_t stfu_ssize_t;
-typedef int stfu_filehandle_t;
-#define STFU_SOCK_INVALID INVALID_SOCKET
-#define strerror_r(num, buf, size) strerror_s(buf, size, num)
-#else
-#include <stdint.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <stdarg.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#define STFU_SOCK_INVALID -1
-typedef int stfu_socket_t;
-typedef ssize_t stfu_ssize_t;
-typedef int stfu_filehandle_t;
-#endif
-
-
-#define STFU_PRE __FILE__, __SWITCH_FUNC__, __LINE__
-#define STFU_LOG_LEVEL_DEBUG 7
-#define STFU_LOG_LEVEL_INFO 6
-#define STFU_LOG_LEVEL_NOTICE 5
-#define STFU_LOG_LEVEL_WARNING 4
-#define STFU_LOG_LEVEL_ERROR 3
-#define STFU_LOG_LEVEL_CRIT 2
-#define STFU_LOG_LEVEL_ALERT 1
-#define STFU_LOG_LEVEL_EMERG 0
-
-#define STFU_LOG_DEBUG STFU_PRE, STFU_LOG_LEVEL_DEBUG
-#define STFU_LOG_INFO STFU_PRE, STFU_LOG_LEVEL_INFO
-#define STFU_LOG_NOTICE STFU_PRE, STFU_LOG_LEVEL_NOTICE
-#define STFU_LOG_WARNING STFU_PRE, STFU_LOG_LEVEL_WARNING
-#define STFU_LOG_ERROR STFU_PRE, STFU_LOG_LEVEL_ERROR
-#define STFU_LOG_CRIT STFU_PRE, STFU_LOG_LEVEL_CRIT
-#define STFU_LOG_ALERT STFU_PRE, STFU_LOG_LEVEL_ALERT
-#define STFU_LOG_EMERG STFU_PRE, STFU_LOG_LEVEL_EMERG
-typedef void (*stfu_logger_t)(const char *file, const char *func, int line, int level, const char *fmt, ...);
-
-
-int stfu_vasprintf(char **ret, const char *fmt, va_list ap);
-
-extern stfu_logger_t stfu_log;
-
-/*! Sets the logger for libstfu. Default is the null_logger */
-void stfu_global_set_logger(stfu_logger_t logger);
-/*! Sets the default log level for libstfu */
-void stfu_global_set_default_logger(int level);
-
-#define STFU_DATALEN 16384
-#define STFU_QLEN 300
-#define STFU_MAX_TRACK 256
-
-typedef enum {
-	STFU_IT_FAILED,
-	STFU_IT_WORKED,
-	STFU_IM_DONE,
-	STFU_ITS_TOO_LATE
-} stfu_status_t;
-
-struct stfu_frame {
-	uint32_t ts;
-	uint16_t seq;
-	uint32_t pt;
-	uint8_t data[STFU_DATALEN];
-	size_t dlen;
-	uint8_t was_read;
-	uint8_t plc;
-};
-typedef struct stfu_frame stfu_frame_t;
-
-struct stfu_instance;
-typedef struct stfu_instance stfu_instance_t;
-
-typedef struct {
-	uint32_t qlen;
-	uint32_t packet_in_count;
-	uint32_t clean_count;
-	uint32_t consecutive_good_count;
-	uint32_t consecutive_bad_count;
-    double period_jitter_percent;
-    double period_missing_percent;
-} stfu_report_t;
-
-typedef void (*stfu_n_call_me_t)(stfu_instance_t *i, void *);
-
-void stfu_n_report(stfu_instance_t *i, stfu_report_t *r);
-void stfu_n_destroy(stfu_instance_t **i);
-stfu_instance_t *stfu_n_init(uint32_t qlen, uint32_t max_qlen, uint32_t samples_per_packet, uint32_t samples_per_second, uint32_t max_drift_ms);
-stfu_status_t _stfu_n_resize(stfu_instance_t *i, uint32_t qlen, int line);
-#define stfu_n_resize(_i, _ql) _stfu_n_resize(_i, _ql, __LINE__)
-stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint16_t seq, uint32_t pt, void *data, size_t datalen, uint32_t timer_ts, int last);
-stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i);
-SWITCH_DECLARE(int32_t) stfu_n_peek_frame(stfu_instance_t *jb, uint32_t timestamp, uint16_t seq, uint16_t distance, stfu_frame_t **rframe);
-void _stfu_n_reset(stfu_instance_t *i, const char *file, const char *func, int line);
-#define stfu_n_reset(_i) _stfu_n_reset(_i, STFU_PRE)
-stfu_status_t stfu_n_sync(stfu_instance_t *i, uint32_t packets);
-void stfu_n_call_me(stfu_instance_t *i, stfu_n_call_me_t callback, void *udata);
-void stfu_n_debug(stfu_instance_t *i, const char *name);
-int32_t stfu_n_get_drift(stfu_instance_t *i);
-int32_t stfu_n_get_most_qlen(stfu_instance_t *i);
-
-#define stfu_im_done(i) stfu_n_add_data(i, 0, 0, NULL, 0, 0, 1)
-#define stfu_n_eat(i,t,s,p,d,l,tt) stfu_n_add_data(i, t, s, p, d, l, tt, 0)
-
-#ifdef __cplusplus
-}
-#endif
-#endif /*STFU_H*/
-
diff --git a/src/include/switch_types.h b/src/include/switch_types.h
index e248f2507f..fc81c5b33d 100644
--- a/src/include/switch_types.h
+++ b/src/include/switch_types.h
@@ -1077,6 +1077,8 @@ typedef enum {
 	SWITCH_MESSAGE_INDICATE_HARD_MUTE,
 	SWITCH_MESSAGE_INDICATE_BITRATE_REQ,
 	SWITCH_MESSAGE_INDICATE_BITRATE_ACK,
+	SWITCH_MESSAGE_INDICATE_CODEC_DEBUG_REQ,
+	SWITCH_MESSAGE_INDICATE_CODEC_SPECIFIC_REQ,
 	SWITCH_MESSAGE_REFER_EVENT,
 	SWITCH_MESSAGE_ANSWER_EVENT,
 	SWITCH_MESSAGE_PROGRESS_EVENT,
@@ -1473,6 +1475,7 @@ typedef enum {
 	CF_3PCC,
 	CF_VIDEO_PASSIVE,
 	CF_NOVIDEO,
+	CF_VIDEO_BITRATE_UNMANAGABLE,
 	CF_VIDEO_ECHO,
 	CF_VIDEO_BLANK,
 	CF_SLA_INTERCEPT,
@@ -2243,7 +2246,9 @@ typedef enum {
 	SCC_VIDEO_REFRESH = 0,
 	SCC_VIDEO_BANDWIDTH,
 	SCC_VIDEO_RESET,
-	SCC_AUDIO_PACKET_LOSS
+	SCC_AUDIO_PACKET_LOSS,
+	SCC_DEBUG,
+	SCC_CODEC_SPECIFIC
 } switch_codec_control_command_t;
 
 typedef enum {
@@ -2261,6 +2266,8 @@ typedef switch_status_t (*switch_core_codec_control_func_t) (switch_codec_t *cod
 																   switch_codec_control_command_t cmd, 
 																   switch_codec_control_type_t ctype,
 																   void *cmd_data,
+																   switch_codec_control_type_t atype,
+																   void *cmd_arg,
 																   switch_codec_control_type_t *rtype,
 																   void **ret_data);
 																   
@@ -2554,8 +2561,8 @@ typedef struct switch_waitlist_s {
 	uint32_t revents;
 } switch_waitlist_t;
 
-struct switch_vb_s;
-typedef struct switch_vb_s switch_vb_t;
+struct switch_jb_s;
+typedef struct switch_jb_s switch_jb_t;
 
 struct switch_img_txt_handle_s;
 typedef struct switch_img_txt_handle_s switch_img_txt_handle_t;
diff --git a/src/include/switch_vidderbuffer.h b/src/include/switch_vidderbuffer.h
deleted file mode 100644
index 73942daa03..0000000000
--- a/src/include/switch_vidderbuffer.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/* 
- * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- * Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- *
- * The Initial Developer of the Original Code is
- * Anthony Minessale II <anthm@freeswitch.org>
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * 
- * Anthony Minessale II <anthm@freeswitch.org>
- *
- * switch_vidderbuffer.h -- Video Buffer
- *
- */
-
-
-#ifndef SWITCH_VIDDERBUFFER_H
-#define SWITCH_VIDDERBUFFER_H
-
-typedef enum {
-	SVB_QUEUE_ONLY = (1 << 0)
-} switch_vb_flag_t;
-
-
-SWITCH_BEGIN_EXTERN_C
-SWITCH_DECLARE(switch_status_t) switch_vb_create(switch_vb_t **vbp, uint32_t min_frame_len, uint32_t max_frame_len, switch_memory_pool_t *pool);
-SWITCH_DECLARE(switch_status_t) switch_vb_set_frames(switch_vb_t *vb, uint32_t min_frame_len, uint32_t max_frame_len);
-SWITCH_DECLARE(switch_status_t) switch_vb_get_frames(switch_vb_t *vb, uint32_t *min_frame_len, uint32_t *max_frame_len);
-SWITCH_DECLARE(switch_status_t) switch_vb_destroy(switch_vb_t **vbp);
-SWITCH_DECLARE(void) switch_vb_reset(switch_vb_t *vb);
-SWITCH_DECLARE(void) switch_vb_debug_level(switch_vb_t *vb, uint8_t level);
-SWITCH_DECLARE(int) switch_vb_frame_count(switch_vb_t *vb);
-SWITCH_DECLARE(int) switch_vb_poll(switch_vb_t *vb);
-SWITCH_DECLARE(switch_status_t) switch_vb_push_packet(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t len);
-SWITCH_DECLARE(switch_status_t) switch_vb_put_packet(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t len);
-SWITCH_DECLARE(switch_status_t) switch_vb_get_packet(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t *len);
-SWITCH_DECLARE(uint32_t) switch_vb_pop_nack(switch_vb_t *vb);
-SWITCH_DECLARE(switch_status_t) switch_vb_get_packet_by_seq(switch_vb_t *vb, uint16_t seq, switch_rtp_packet_t *packet, switch_size_t *len);
-SWITCH_DECLARE(void) switch_vb_set_flag(switch_vb_t *vb, switch_vb_flag_t flag);
-SWITCH_DECLARE(void) switch_vb_clear_flag(switch_vb_t *vb, switch_vb_flag_t flag);
-
-SWITCH_END_EXTERN_C
-#endif
-
-/* For Emacs:
- * Local Variables:
- * mode:c
- * indent-tabs-mode:t
- * tab-width:4
- * c-basic-offset:4
- * End:
- * For VIM:
- * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
- */
diff --git a/src/mod/applications/mod_av/avcodec.c b/src/mod/applications/mod_av/avcodec.c
index 6779788808..89a2781dee 100644
--- a/src/mod/applications/mod_av/avcodec.c
+++ b/src/mod/applications/mod_av/avcodec.c
@@ -1284,6 +1284,8 @@ static switch_status_t switch_h264_control(switch_codec_t *codec,
 										   switch_codec_control_command_t cmd,
 										   switch_codec_control_type_t ctype,
 										   void *cmd_data,
+										   switch_codec_control_type_t atype,
+										   void *cmd_arg,
 										   switch_codec_control_type_t *rtype,
 										   void **ret_data) {
 
diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index 768f170988..26f895e8a4 100644
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -4086,6 +4086,100 @@ SWITCH_STANDARD_API(uuid_video_bitrate_function)
 	return SWITCH_STATUS_SUCCESS;
 }
 
+#define CODEC_DEBUG_SYNTAX "<uuid> audio|video <level>"
+SWITCH_STANDARD_API(uuid_codec_debug_function)
+{
+	switch_status_t status = SWITCH_STATUS_FALSE;
+	char *mycmd = NULL, *argv[3] = { 0 };
+	int argc = 0;
+
+	if (!zstr(cmd) && (mycmd = strdup(cmd))) {
+		argc = switch_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
+	}
+
+	if (argc < 3) {
+		stream->write_function(stream, "-USAGE: %s\n", CODEC_DEBUG_SYNTAX);
+	} else {
+		switch_core_session_t *lsession = NULL;
+
+		if ((lsession = switch_core_session_locate(argv[0]))) {
+			int level = atoi(argv[2]);
+			switch_media_type_t type = SWITCH_MEDIA_TYPE_AUDIO;
+			switch_core_session_message_t msg = { 0 };
+
+			if (!strcasecmp(argv[1], "video")) {
+				type = SWITCH_MEDIA_TYPE_VIDEO;
+			}
+
+			if (level < 0) level = 0;
+
+			msg.message_id = SWITCH_MESSAGE_INDICATE_CODEC_DEBUG_REQ;
+			msg.numeric_arg = level;
+			msg.numeric_reply = type;
+			msg.from = __FILE__;
+			
+			switch_core_session_receive_message(lsession, &msg);
+			status = SWITCH_STATUS_SUCCESS;
+			switch_core_session_rwunlock(lsession);
+		}
+	}
+
+	if (status == SWITCH_STATUS_SUCCESS) {
+		stream->write_function(stream, "+OK Success\n");
+	} else {
+		stream->write_function(stream, "-ERR Operation Failed\n");
+	}
+
+	switch_safe_free(mycmd);
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+
+#define CODEC_PARAM_SYNTAX "<uuid> audio|video read|write <param> <val>"
+SWITCH_STANDARD_API(uuid_codec_param_function)
+{
+	switch_status_t status = SWITCH_STATUS_FALSE;
+	char *mycmd = NULL, *argv[5] = { 0 };
+	int argc = 0;
+	switch_core_session_message_t msg = { 0 };
+
+	msg.string_array_arg[4] = "NOT SENT";
+
+	if (!zstr(cmd) && (mycmd = strdup(cmd))) {
+		argc = switch_separate_string(mycmd, ' ', argv, (sizeof(argv) / sizeof(argv[0])));
+	}
+
+	if (argc < 3) {
+		stream->write_function(stream, "-USAGE: %s\n", CODEC_PARAM_SYNTAX);
+	} else {
+		switch_core_session_t *lsession = NULL;
+
+		if ((lsession = switch_core_session_locate(argv[0]))) {
+			msg.message_id = SWITCH_MESSAGE_INDICATE_CODEC_SPECIFIC_REQ;
+			msg.string_array_arg[0] = argv[1];
+			msg.string_array_arg[1] = argv[2];
+			msg.string_array_arg[2] = argv[3];
+			msg.string_array_arg[3] = argv[4];
+			msg.from = __FILE__;
+			
+			switch_core_session_receive_message(lsession, &msg);
+			status = SWITCH_STATUS_SUCCESS;
+			switch_core_session_rwunlock(lsession);
+		}
+	}
+
+	if (status == SWITCH_STATUS_SUCCESS) {
+		stream->write_function(stream, "+OK Command sent reply: [%s]\n", msg.string_array_arg[4]);
+	} else {
+		stream->write_function(stream, "-ERR Operation Failed [%s]\n", msg.string_array_arg[4]);
+	}
+
+	switch_safe_free(mycmd);
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
 
 #define DEBUG_MEDIA_SYNTAX "<uuid> <read|write|both|vread|vwrite|vboth|all> <on|off>"
 SWITCH_STANDARD_API(uuid_debug_media_function)
@@ -6967,6 +7061,8 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_commands_load)
 	SWITCH_ADD_API(commands_api_interface, "uuid_broadcast", "Execute dialplan application", uuid_broadcast_function, BROADCAST_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_buglist", "List media bugs on a session", uuid_buglist_function, BUGLIST_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_chat", "Send a chat message", uuid_chat, UUID_CHAT_SYNTAX);
+	SWITCH_ADD_API(commands_api_interface, "uuid_codec_debug", "Send codec a debug message", uuid_codec_debug_function, CODEC_DEBUG_SYNTAX);
+	SWITCH_ADD_API(commands_api_interface, "uuid_codec_param", "Send codec a param", uuid_codec_param_function, CODEC_PARAM_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_debug_media", "Debug media", uuid_debug_media_function, DEBUG_MEDIA_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_deflect", "Send a deflect", uuid_deflect, UUID_DEFLECT_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_displace", "Displace audio", session_displace_function, "<uuid> [start|stop] <path> [<limit>] [mux]");
@@ -7144,6 +7240,12 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_commands_load)
 	switch_console_set_complete("add uuid_broadcast ::console::list_uuid");
 	switch_console_set_complete("add uuid_buglist ::console::list_uuid");
 	switch_console_set_complete("add uuid_chat ::console::list_uuid");
+	switch_console_set_complete("add uuid_codec_debug ::console::list_uuid audio");
+	switch_console_set_complete("add uuid_codec_debug ::console::list_uuid video");
+	switch_console_set_complete("add uuid_codec_param ::console::list_uuid audio read");
+	switch_console_set_complete("add uuid_codec_param ::console::list_uuid audio write");
+	switch_console_set_complete("add uuid_codec_param ::console::list_uuid video read");
+	switch_console_set_complete("add uuid_codec_param ::console::list_uuid video write");
 	switch_console_set_complete("add uuid_debug_media ::console::list_uuid");
 	switch_console_set_complete("add uuid_deflect ::console::list_uuid");
 	switch_console_set_complete("add uuid_displace ::console::list_uuid");
diff --git a/src/mod/applications/mod_conference/conference_video.c b/src/mod/applications/mod_conference/conference_video.c
index 19a1e9b6e8..7a81b92b0d 100644
--- a/src/mod/applications/mod_conference/conference_video.c
+++ b/src/mod/applications/mod_conference/conference_video.c
@@ -1219,12 +1219,12 @@ void conference_video_write_canvas_image_to_codec_group(conference_obj_t *confer
 
 	if (need_reset) {
 		int type = 1; // sum flags: 1 encoder; 2; decoder
-		switch_core_codec_control(&codec_set->codec, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, NULL, NULL);
+		switch_core_codec_control(&codec_set->codec, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, SCCT_NONE, NULL, NULL, NULL);
 		need_refresh = SWITCH_TRUE;
 	}
 
 	if (need_refresh || need_keyframe) {
-		switch_core_codec_control(&codec_set->codec, SCC_VIDEO_REFRESH, SCCT_NONE, NULL, NULL, NULL);
+		switch_core_codec_control(&codec_set->codec, SCC_VIDEO_REFRESH, SCCT_NONE, NULL, SCCT_NONE, NULL, NULL, NULL);
 	}
 
 	do {
@@ -1817,7 +1817,8 @@ void conference_video_pop_next_image(conference_member_t *member, switch_image_t
 
 void conference_video_check_auto_bitrate(conference_member_t *member, mcu_layer_t *layer)
 {
-	if (conference_utils_test_flag(member->conference, CFLAG_MANAGE_INBOUND_VIDEO_BITRATE) && !member->managed_kps) {
+	if (conference_utils_test_flag(member->conference, CFLAG_MANAGE_INBOUND_VIDEO_BITRATE) && !member->managed_kps && 
+		!switch_channel_test_flag(member->channel, CF_VIDEO_BITRATE_UNMANAGABLE)) {
 		switch_core_session_message_t msg = { 0 };
 		int kps;
 		int w = 320;
@@ -2570,7 +2571,8 @@ void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread_t *thr
 																	   timestamp, need_refresh, need_keyframe, need_reset);
 
 					if (canvas->video_write_bandwidth) {
-						switch_core_codec_control(&write_codecs[i]->codec, SCC_VIDEO_BANDWIDTH, SCCT_INT, &canvas->video_write_bandwidth, NULL, NULL);
+						switch_core_codec_control(&write_codecs[i]->codec, SCC_VIDEO_BANDWIDTH, 
+												  SCCT_INT, &canvas->video_write_bandwidth, SCCT_NONE, NULL, NULL, NULL);
 						canvas->video_write_bandwidth = 0;
 					}
 
@@ -2912,7 +2914,8 @@ void *SWITCH_THREAD_FUNC conference_video_super_muxing_thread_run(switch_thread_
 				conference_video_write_canvas_image_to_codec_group(conference, canvas, write_codecs[i], i, timestamp, need_refresh, need_keyframe, need_reset);
 
 				if (canvas->video_write_bandwidth) {
-					switch_core_codec_control(&write_codecs[i]->codec, SCC_VIDEO_BANDWIDTH, SCCT_INT, &canvas->video_write_bandwidth, NULL, NULL);
+					switch_core_codec_control(&write_codecs[i]->codec, SCC_VIDEO_BANDWIDTH, 
+											  SCCT_INT, &canvas->video_write_bandwidth, SCCT_NONE, NULL, NULL, NULL);
 					canvas->video_write_bandwidth = 0;
 				}
 			}
diff --git a/src/mod/codecs/mod_openh264/mod_openh264.cpp b/src/mod/codecs/mod_openh264/mod_openh264.cpp
index 9248e2ea24..e8ce3f5c69 100644
--- a/src/mod/codecs/mod_openh264/mod_openh264.cpp
+++ b/src/mod/codecs/mod_openh264/mod_openh264.cpp
@@ -733,6 +733,8 @@ static switch_status_t switch_h264_control(switch_codec_t *codec,
 										   switch_codec_control_command_t cmd, 
 										   switch_codec_control_type_t ctype,
 										   void *cmd_data,
+										   switch_codec_control_type_t atype,
+										   void *cmd_arg,
 										   switch_codec_control_type_t *rtype,
 										   void **ret_data) {
 
diff --git a/src/mod/codecs/mod_opus/mod_opus.c b/src/mod/codecs/mod_opus/mod_opus.c
index 864b9fb3b6..fed3395e87 100644
--- a/src/mod/codecs/mod_opus/mod_opus.c
+++ b/src/mod/codecs/mod_opus/mod_opus.c
@@ -75,6 +75,8 @@ struct opus_context {
 	uint32_t enc_frame_size;
 	uint32_t dec_frame_size;
 	uint32_t old_plpct;
+	uint32_t debug;
+	uint32_t use_jb_lookahead;
 	opus_codec_settings_t codec_settings;
 };
 
@@ -89,6 +91,7 @@ struct {
 	int asymmetric_samplerates;
 	int keep_fec;
 	int debuginfo;
+	uint32_t use_jb_lookahead;
 	switch_mutex_t *mutex;
 } opus_prefs;
 
@@ -534,7 +537,7 @@ static switch_status_t switch_opus_encode(switch_codec_t *codec,
 
 	bytes = opus_encode(context->encoder_object, (void *) decoded_data, context->enc_frame_size, (unsigned char *) encoded_data, len);
 
-	if (globals.debug) {
+	if (globals.debug || context->debug > 1) {
 		int samplerate = context->enc_frame_size * 1000 / (codec->implementation->microseconds_per_packet / 1000);
 		switch_opus_info(encoded_data, bytes, samplerate, "encode");
 	}
@@ -552,6 +555,7 @@ static switch_status_t switch_opus_encode(switch_codec_t *codec,
 	return SWITCH_STATUS_GENERR;
 }
 
+
 static switch_status_t switch_opus_decode(switch_codec_t *codec,
 										  switch_codec_t *other_codec,
 										  void *encoded_data,
@@ -573,24 +577,57 @@ static switch_status_t switch_opus_decode(switch_codec_t *codec,
 	frame_size = frame_samples - (frame_samples % (codec->implementation->actual_samples_per_second / 400));
 
 	if (*flag & SFF_PLC) {
+		switch_core_session_t *session = codec->session;
+		switch_jb_t *jb = NULL;
+		int got_frame = 0;
+
 		plc = 1;
+
 		encoded_data = NULL;
-		
-		opus_decoder_ctl(context->decoder_object, OPUS_GET_LAST_PACKET_DURATION(&frame_size));
-		if (!frame_size) {
-			frame_size = frame_samples - (frame_samples % (codec->implementation->actual_samples_per_second / 400));
+
+		if (opus_prefs.use_jb_lookahead || context->use_jb_lookahead) {
+			fec = 1;
 		}
 
-		if (context->codec_settings.useinbandfec) {
-			fec = 1;
+		if (!fec && context->codec_settings.useinbandfec && session) {
+			if (opus_packet_get_bandwidth(codec->cur_frame->data) != OPUS_BANDWIDTH_FULLBAND && 
+				codec->cur_frame && (jb = switch_core_session_get_jb(session, SWITCH_MEDIA_TYPE_AUDIO))) {
+				switch_frame_t frame = { 0 };
+				uint8_t buf[SWITCH_RTP_MAX_BUF_LEN];
+				frame.data = buf;
+				frame.buflen = sizeof(buf);
+
+				if (switch_jb_peek_frame(jb, codec->cur_frame->seq, 1, &frame)) {
+					got_frame = 1;
+					fec = 1;
+					encoded_data = frame.data;
+					encoded_data_len = frame.datalen;
+				}
+			}
+		}
+		
+		if (!got_frame) {
+			opus_decoder_ctl(context->decoder_object, OPUS_GET_LAST_PACKET_DURATION(&frame_size));
+		
+			if (!frame_size) {
+				frame_size = frame_samples - (frame_samples % (codec->implementation->actual_samples_per_second / 400));
+			}
+		}
+
+		if (globals.debug || context->debug) {
+			if (opus_prefs.use_jb_lookahead || context->use_jb_lookahead) {
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "MISSING FRAME: %s\n", fec ? "Look-ahead FEC" : "PLC");
+			} else {
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "MISSING FRAME: OPUS_PLC\n");
+			}
 		}
 
 		*flag &= ~SFF_PLC;
 	}
 
-	if (globals.debug) {
+	if (globals.debug || context->debug > 1) {
 		int samplerate = context->dec_frame_size * 1000 / (codec->implementation->microseconds_per_packet / 1000);
-		switch_opus_info((*flag & SFF_PLC) ? NULL : encoded_data, encoded_data_len,
+		switch_opus_info(encoded_data, encoded_data_len,
 						 samplerate ? samplerate : codec->implementation->actual_samples_per_second, "decode");
 	}
 
@@ -660,7 +697,7 @@ static switch_status_t switch_opus_encode_repacketize(switch_codec_t *codec,
 
 	ret = opus_repacketizer_out(rp, encoded_data, total_len+opus_repacketizer_get_nb_frames(rp));
 
-	if (globals.debug) {
+	if (globals.debug || context->debug) {
 		int samplerate = context->enc_frame_size * 1000 / (codec->implementation->microseconds_per_packet / 1000);
 		switch_opus_info(encoded_data, ret, samplerate, "encode_repacketize");
 	}
@@ -706,6 +743,8 @@ static switch_status_t opus_load_config(switch_bool_t reload)
 				opus_prefs.plpct = atoi(val);
 			} else if (!strcasecmp(key, "asymmetric-sample-rates")) {
 				opus_prefs.asymmetric_samplerates = atoi(val);
+			} else if (!strcasecmp(key, "use-jb-lookahead")) {
+				opus_prefs.use_jb_lookahead = switch_true(val);
 			} else if (!strcasecmp(key, "keep-fec-enabled")) {
 				opus_prefs.keep_fec = atoi(val);
 			} else if (!strcasecmp(key, "maxaveragebitrate")) {
@@ -777,7 +816,7 @@ static switch_status_t switch_opus_keep_fec_enabled(switch_codec_t *codec)
 	 * If yes, then keep the current bitrate. If not, modify bitrate to keep FEC on. */
 	if (real_target_bitrate > LBRR_threshold_bitrate) {
 		/*FEC is already enabled, do nothing*/
-		if (globals.debug) {
+		if (globals.debug || context->debug) {
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opus encoder: FEC is enabled\n");
 		}
 		return SWITCH_STATUS_SUCCESS;
@@ -789,7 +828,7 @@ static switch_status_t switch_opus_keep_fec_enabled(switch_codec_t *codec)
 
 		opus_encoder_ctl(context->encoder_object,OPUS_SET_BITRATE(current_bitrate));
 
-		if (globals.debug) {
+		if (globals.debug || context->debug) {
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opus encoder: increased bitrate to [%d] to keep FEC enabled\n", current_bitrate);
 		}
 
@@ -801,12 +840,46 @@ static switch_status_t switch_opus_control(switch_codec_t *codec,
 										   switch_codec_control_command_t cmd,
 										   switch_codec_control_type_t ctype,
 										   void *cmd_data,
+										   switch_codec_control_type_t atype,
+										   void *cmd_arg,
 										   switch_codec_control_type_t *rtype,
 										   void **ret_data)
 {
 	struct opus_context *context = codec->private_info;
 
 	switch(cmd) {
+	case SCC_CODEC_SPECIFIC:
+		{
+			const char *cmd = (const char *)cmd_data;
+			const char *arg = (const char *)cmd_arg;
+			switch_codec_control_type_t reply_type = SCCT_STRING;
+			const char *reply = "ERROR INVALID COMMAND";
+
+			if (!zstr(cmd)) {
+				if (!strcasecmp(cmd, "jb_lookahead")) {
+					if (!zstr(arg)) {
+						context->use_jb_lookahead = switch_true(arg);
+					}
+					reply = context->use_jb_lookahead ? "LOOKAHEAD ON" : "LOOKAHEAD OFF";
+				}
+			}
+
+			if (rtype) {
+				*rtype = reply_type;
+
+				if (reply) {
+					*ret_data = (void *)reply;
+				}
+			}
+
+		}
+		break;
+	case SCC_DEBUG:
+		{
+			int32_t level = *((uint32_t *) cmd_data);
+			context->debug = level;
+		}
+		break;
 	case SCC_AUDIO_PACKET_LOSS:
 		{
 			uint32_t plpct = *((uint32_t *) cmd_data);
@@ -830,7 +903,7 @@ static switch_status_t switch_opus_control(switch_codec_t *codec,
 					switch_opus_keep_fec_enabled(codec);
 				}
 
-				if (globals.debug) {
+				if (globals.debug || context->debug) {
 					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Opus Adjusting packet loss percent from %d%% to %d%%!\n",
 									  context->old_plpct, plpct);
 				}
diff --git a/src/mod/codecs/mod_silk/mod_silk.c b/src/mod/codecs/mod_silk/mod_silk.c
index ba867cc3e9..040742da23 100644
--- a/src/mod/codecs/mod_silk/mod_silk.c
+++ b/src/mod/codecs/mod_silk/mod_silk.c
@@ -62,7 +62,7 @@ struct silk_context {
 	SKP_SILK_SDK_DecControlStruct decoder_object;
 	void *enc_state;
 	void *dec_state;
-	SKP_uint8 recbuff[STFU_DATALEN];
+	SKP_uint8 recbuff[SWITCH_RTP_MAX_BUF_LEN];
 	SKP_int16 reclen;
 };
 
@@ -326,12 +326,8 @@ static switch_status_t switch_silk_decode(switch_codec_t *codec,
 	SKP_int16 ret, len; 
 	int16_t *target = decoded_data;
 	switch_core_session_t *session = codec->session;
-	stfu_instance_t *jb = NULL;
-
+	switch_jb_t *jb = NULL;
 	SKP_int lost_flag = (*flag & SFF_PLC);
-	stfu_frame_t *next_frame = NULL;
-
-	int32_t found_frame;
 	switch_bool_t did_lbrr = SWITCH_FALSE;
 	int i;
 
@@ -345,11 +341,14 @@ static switch_status_t switch_silk_decode(switch_codec_t *codec,
 		}
 
 		if (jb && codec->cur_frame) {
-			for (i = 1; i <= MAX_LBRR_DELAY; i++) {
-				found_frame = stfu_n_peek_frame(jb, (uint32_t)codec->cur_frame->timestamp, codec->cur_frame->seq, (uint16_t)i, &next_frame);
+			switch_frame_t frame = { 0 };
+			uint8_t buf[SWITCH_RTP_MAX_BUF_LEN];
+			frame.data = buf;
+			frame.buflen = sizeof(buf);
 
-				if (found_frame) {
-					SKP_Silk_SDK_search_for_LBRR(next_frame->data, (const int)next_frame->dlen, i, (SKP_uint8*) &context->recbuff, &context->reclen);
+			for (i = 1; i <= MAX_LBRR_DELAY; i++) {
+				if (switch_jb_peek_frame(jb, codec->cur_frame->seq, (uint16_t)i, &frame)) {
+					SKP_Silk_SDK_search_for_LBRR(frame.data, (const int)frame.datalen, i, (SKP_uint8*) &context->recbuff, &context->reclen);
 
 					if (context->reclen) {
 						encoded_data = &context->recbuff;
diff --git a/src/mod/codecs/mod_vpx/mod_vpx.c b/src/mod/codecs/mod_vpx/mod_vpx.c
index bb24544ba0..0863e3f4f4 100644
--- a/src/mod/codecs/mod_vpx/mod_vpx.c
+++ b/src/mod/codecs/mod_vpx/mod_vpx.c
@@ -940,6 +940,8 @@ static switch_status_t switch_vpx_control(switch_codec_t *codec,
 										  switch_codec_control_command_t cmd, 
 										  switch_codec_control_type_t ctype,
 										  void *cmd_data,
+										  switch_codec_control_type_t atype,
+										  void *cmd_arg,
 										  switch_codec_control_type_t *rtype,
 										  void **ret_data) 
 {
diff --git a/src/mod/endpoints/mod_rtc/mod_rtc.c b/src/mod/endpoints/mod_rtc/mod_rtc.c
index 48d12706a5..4f964827c8 100644
--- a/src/mod/endpoints/mod_rtc/mod_rtc.c
+++ b/src/mod/endpoints/mod_rtc/mod_rtc.c
@@ -269,7 +269,7 @@ static switch_status_t rtc_receive_event(switch_core_session_t *session, switch_
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static stfu_instance_t *rtc_get_jb(switch_core_session_t *session, switch_media_type_t type)
+static switch_jb_t *rtc_get_jb(switch_core_session_t *session, switch_media_type_t type)
 {
 	private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
 
diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index b2f37b3815..db21d6aa58 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -264,7 +264,7 @@ char *generate_pai_str(private_object_t *tech_pvt)
 	return pai;
 }
 
-static stfu_instance_t *sofia_get_jb(switch_core_session_t *session, switch_media_type_t type)
+static switch_jb_t *sofia_get_jb(switch_core_session_t *session, switch_media_type_t type)
 {
 	private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
 
diff --git a/src/mod/endpoints/mod_sofia/rtp.c b/src/mod/endpoints/mod_sofia/rtp.c
index b6a14974b0..ce42dc1875 100644
--- a/src/mod/endpoints/mod_sofia/rtp.c
+++ b/src/mod/endpoints/mod_sofia/rtp.c
@@ -591,10 +591,10 @@ static switch_status_t channel_receive_message(switch_core_session_t *session, s
         case SWITCH_MESSAGE_INDICATE_JITTER_BUFFER:
 		{
 			if (switch_rtp_ready(tech_pvt->rtp_session)) {
-				int len = 0, maxlen = 0, qlen = 0, maxqlen = 50, max_drift = 0;
+				int len = 0, maxlen = 0, qlen = 0, maxqlen = 50;
                 
 				if (msg->string_arg) {
-					char *p, *q;
+					char *p;
 					const char *s;
                     
 					if (!strcasecmp(msg->string_arg, "pause")) {
@@ -624,10 +624,6 @@ static switch_status_t channel_receive_message(switch_core_session_t *session, s
 						if ((p = strchr(msg->string_arg, ':'))) {
 							p++;
 							maxlen = atol(p);
-							if ((q = strchr(p, ':'))) {
-								q++;
-								max_drift = abs(atoi(q));
-							}
 						}
 					}
                     
@@ -643,10 +639,10 @@ static switch_status_t channel_receive_message(switch_core_session_t *session, s
 					}
 					if (switch_rtp_activate_jitter_buffer(tech_pvt->rtp_session, qlen, maxqlen,
 														  tech_pvt->read_codec.implementation->samples_per_packet, 
-														  tech_pvt->read_codec.implementation->samples_per_second, max_drift) == SWITCH_STATUS_SUCCESS) {
+														  tech_pvt->read_codec.implementation->samples_per_second) == SWITCH_STATUS_SUCCESS) {
 						switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(tech_pvt->session), 
-										  SWITCH_LOG_DEBUG, "Setting Jitterbuffer to %dms (%d frames) (%d max frames) (%d max drift)\n", 
-										  len, qlen, maxqlen, max_drift);
+										  SWITCH_LOG_DEBUG, "Setting Jitterbuffer to %dms (%d frames) (%d max frames)\n", 
+										  len, qlen, maxqlen);
 						switch_channel_set_flag(tech_pvt->channel, CF_JITTERBUFFER);
 						if (!switch_false(switch_channel_get_variable(tech_pvt->channel, "rtp_jitter_buffer_plc"))) {
 							switch_channel_set_flag(tech_pvt->channel, CF_JITTERBUFFER_PLC);
diff --git a/src/mod/languages/mod_managed/freeswitch_wrap.cxx b/src/mod/languages/mod_managed/freeswitch_wrap.cxx
index 65f8e2dfa4..b08f6b3b60 100644
--- a/src/mod/languages/mod_managed/freeswitch_wrap.cxx
+++ b/src/mod/languages/mod_managed/freeswitch_wrap.cxx
@@ -11885,11 +11885,11 @@ SWIGEXPORT void * SWIGSTDCALL CSharp_switch_core_session_get_jb(void * jarg1, in
   void * jresult ;
   switch_core_session_t *arg1 = (switch_core_session_t *) 0 ;
   switch_media_type_t arg2 ;
-  stfu_instance_t *result = 0 ;
+  switch_jb_t *result = 0 ;
   
   arg1 = (switch_core_session_t *)jarg1; 
   arg2 = (switch_media_type_t)jarg2; 
-  result = (stfu_instance_t *)switch_core_session_get_jb(arg1,arg2);
+  result = (switch_jb_t *)switch_core_session_get_jb(arg1,arg2);
   jresult = (void *)result; 
   return jresult;
 }
@@ -25139,6 +25139,28 @@ SWIGEXPORT int SWIGSTDCALL CSharp_switch_mm_t_vbuf_get(void * jarg1) {
 }
 
 
+SWIGEXPORT void SWIGSTDCALL CSharp_switch_mm_t_vencspd_set(void * jarg1, int jarg2) {
+  switch_mm_s *arg1 = (switch_mm_s *) 0 ;
+  switch_video_encode_speed_t arg2 ;
+  
+  arg1 = (switch_mm_s *)jarg1; 
+  arg2 = (switch_video_encode_speed_t)jarg2; 
+  if (arg1) (arg1)->vencspd = arg2;
+}
+
+
+SWIGEXPORT int SWIGSTDCALL CSharp_switch_mm_t_vencspd_get(void * jarg1) {
+  int jresult ;
+  switch_mm_s *arg1 = (switch_mm_s *) 0 ;
+  switch_video_encode_speed_t result;
+  
+  arg1 = (switch_mm_s *)jarg1; 
+  result = (switch_video_encode_speed_t) ((arg1)->vencspd);
+  jresult = result; 
+  return jresult;
+}
+
+
 SWIGEXPORT void * SWIGSTDCALL CSharp_new_switch_mm_t() {
   void * jresult ;
   switch_mm_s *result = 0 ;
@@ -37404,6 +37426,18 @@ SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_parse_all_signal_data(void * jarg1)
 }
 
 
+SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_parse_next_signal_data(void * jarg1) {
+  int jresult ;
+  switch_core_session_t *arg1 = (switch_core_session_t *) 0 ;
+  switch_status_t result;
+  
+  arg1 = (switch_core_session_t *)jarg1; 
+  result = (switch_status_t)switch_ivr_parse_next_signal_data(arg1);
+  jresult = result; 
+  return jresult;
+}
+
+
 SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_process_indications(void * jarg1, void * jarg2) {
   int jresult ;
   switch_core_session_t *arg1 = (switch_core_session_t *) 0 ;
@@ -38362,6 +38396,20 @@ SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_media(char * jarg1, unsigned long j
 }
 
 
+SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_3p_media(char * jarg1, unsigned long jarg2) {
+  int jresult ;
+  char *arg1 = (char *) 0 ;
+  switch_media_flag_t arg2 ;
+  switch_status_t result;
+  
+  arg1 = (char *)jarg1; 
+  arg2 = (switch_media_flag_t)jarg2; 
+  result = (switch_status_t)switch_ivr_3p_media((char const *)arg1,arg2);
+  jresult = result; 
+  return jresult;
+}
+
+
 SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_nomedia(char * jarg1, unsigned long jarg2) {
   int jresult ;
   char *arg1 = (char *) 0 ;
@@ -38376,6 +38424,20 @@ SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_nomedia(char * jarg1, unsigned long
 }
 
 
+SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_3p_nomedia(char * jarg1, unsigned long jarg2) {
+  int jresult ;
+  char *arg1 = (char *) 0 ;
+  switch_media_flag_t arg2 ;
+  switch_status_t result;
+  
+  arg1 = (char *)jarg1; 
+  arg2 = (switch_media_flag_t)jarg2; 
+  result = (switch_status_t)switch_ivr_3p_nomedia((char const *)arg1,arg2);
+  jresult = result; 
+  return jresult;
+}
+
+
 SWIGEXPORT int SWIGSTDCALL CSharp_switch_ivr_hold_uuid(char * jarg1, char * jarg2, int jarg3) {
   int jresult ;
   char *arg1 = (char *) 0 ;
@@ -40930,15 +40992,17 @@ SWIGEXPORT void * SWIGSTDCALL CSharp_switch_rtp_get_media_timer(void * jarg1) {
 }
 
 
-SWIGEXPORT int SWIGSTDCALL CSharp_switch_rtp_set_video_buffer_size(void * jarg1, unsigned long jarg2) {
+SWIGEXPORT int SWIGSTDCALL CSharp_switch_rtp_set_video_buffer_size(void * jarg1, unsigned long jarg2, unsigned long jarg3) {
   int jresult ;
   switch_rtp_t *arg1 = (switch_rtp_t *) 0 ;
   uint32_t arg2 ;
+  uint32_t arg3 ;
   switch_status_t result;
   
   arg1 = (switch_rtp_t *)jarg1; 
   arg2 = (uint32_t)jarg2; 
-  result = (switch_status_t)switch_rtp_set_video_buffer_size(arg1,arg2);
+  arg3 = (uint32_t)jarg3; 
+  result = (switch_status_t)switch_rtp_set_video_buffer_size(arg1,arg2,arg3);
   jresult = result; 
   return jresult;
 }
@@ -40956,14 +41020,13 @@ SWIGEXPORT unsigned long SWIGSTDCALL CSharp_switch_rtp_get_video_buffer_size(voi
 }
 
 
-SWIGEXPORT int SWIGSTDCALL CSharp_switch_rtp_activate_jitter_buffer(void * jarg1, unsigned long jarg2, unsigned long jarg3, unsigned long jarg4, unsigned long jarg5, unsigned long jarg6) {
+SWIGEXPORT int SWIGSTDCALL CSharp_switch_rtp_activate_jitter_buffer(void * jarg1, unsigned long jarg2, unsigned long jarg3, unsigned long jarg4, unsigned long jarg5) {
   int jresult ;
   switch_rtp_t *arg1 = (switch_rtp_t *) 0 ;
   uint32_t arg2 ;
   uint32_t arg3 ;
   uint32_t arg4 ;
   uint32_t arg5 ;
-  uint32_t arg6 ;
   switch_status_t result;
   
   arg1 = (switch_rtp_t *)jarg1; 
@@ -40971,8 +41034,7 @@ SWIGEXPORT int SWIGSTDCALL CSharp_switch_rtp_activate_jitter_buffer(void * jarg1
   arg3 = (uint32_t)jarg3; 
   arg4 = (uint32_t)jarg4; 
   arg5 = (uint32_t)jarg5; 
-  arg6 = (uint32_t)jarg6; 
-  result = (switch_status_t)switch_rtp_activate_jitter_buffer(arg1,arg2,arg3,arg4,arg5,arg6);
+  result = (switch_status_t)switch_rtp_activate_jitter_buffer(arg1,arg2,arg3,arg4,arg5);
   jresult = result; 
   return jresult;
 }
@@ -41021,10 +41083,10 @@ SWIGEXPORT int SWIGSTDCALL CSharp_switch_rtp_pause_jitter_buffer(void * jarg1, i
 SWIGEXPORT void * SWIGSTDCALL CSharp_switch_rtp_get_jitter_buffer(void * jarg1) {
   void * jresult ;
   switch_rtp_t *arg1 = (switch_rtp_t *) 0 ;
-  stfu_instance_t *result = 0 ;
+  switch_jb_t *result = 0 ;
   
   arg1 = (switch_rtp_t *)jarg1; 
-  result = (stfu_instance_t *)switch_rtp_get_jitter_buffer(arg1);
+  result = (switch_jb_t *)switch_rtp_get_jitter_buffer(arg1);
   jresult = (void *)result; 
   return jresult;
 }
diff --git a/src/mod/languages/mod_managed/managed/swig.cs b/src/mod/languages/mod_managed/managed/swig.cs
index 7d44006c65..45d21f7831 100644
--- a/src/mod/languages/mod_managed/managed/swig.cs
+++ b/src/mod/languages/mod_managed/managed/swig.cs
@@ -1723,9 +1723,9 @@ public class freeswitch {
     return ret;
   }
 
-  public static SWIGTYPE_p_stfu_instance_t switch_core_session_get_jb(SWIGTYPE_p_switch_core_session session, switch_media_type_t type) {
+  public static SWIGTYPE_p_switch_jb_s switch_core_session_get_jb(SWIGTYPE_p_switch_core_session session, switch_media_type_t type) {
     IntPtr cPtr = freeswitchPINVOKE.switch_core_session_get_jb(SWIGTYPE_p_switch_core_session.getCPtr(session), (int)type);
-    SWIGTYPE_p_stfu_instance_t ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_stfu_instance_t(cPtr, false);
+    SWIGTYPE_p_switch_jb_s ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_switch_jb_s(cPtr, false);
     return ret;
   }
 
@@ -5615,6 +5615,11 @@ public class freeswitch {
     return ret;
   }
 
+  public static switch_status_t switch_ivr_parse_next_signal_data(SWIGTYPE_p_switch_core_session session) {
+    switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_ivr_parse_next_signal_data(SWIGTYPE_p_switch_core_session.getCPtr(session));
+    return ret;
+  }
+
   public static switch_status_t switch_ivr_process_indications(SWIGTYPE_p_switch_core_session session, switch_core_session_message message) {
     switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_ivr_process_indications(SWIGTYPE_p_switch_core_session.getCPtr(session), switch_core_session_message.getCPtr(message));
     return ret;
@@ -5887,11 +5892,21 @@ public class freeswitch {
     return ret;
   }
 
+  public static switch_status_t switch_ivr_3p_media(string uuid, uint flags) {
+    switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_ivr_3p_media(uuid, flags);
+    return ret;
+  }
+
   public static switch_status_t switch_ivr_nomedia(string uuid, uint flags) {
     switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_ivr_nomedia(uuid, flags);
     return ret;
   }
 
+  public static switch_status_t switch_ivr_3p_nomedia(string uuid, uint flags) {
+    switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_ivr_3p_nomedia(uuid, flags);
+    return ret;
+  }
+
   public static switch_status_t switch_ivr_hold_uuid(string uuid, string message, switch_bool_t moh) {
     switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_ivr_hold_uuid(uuid, message, (int)moh);
     return ret;
@@ -6431,8 +6446,8 @@ public class freeswitch {
     return ret;
   }
 
-  public static switch_status_t switch_rtp_set_video_buffer_size(SWIGTYPE_p_switch_rtp rtp_session, uint frames) {
-    switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_rtp_set_video_buffer_size(SWIGTYPE_p_switch_rtp.getCPtr(rtp_session), frames);
+  public static switch_status_t switch_rtp_set_video_buffer_size(SWIGTYPE_p_switch_rtp rtp_session, uint frames, uint max_frames) {
+    switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_rtp_set_video_buffer_size(SWIGTYPE_p_switch_rtp.getCPtr(rtp_session), frames, max_frames);
     return ret;
   }
 
@@ -6441,8 +6456,8 @@ public class freeswitch {
     return ret;
   }
 
-  public static switch_status_t switch_rtp_activate_jitter_buffer(SWIGTYPE_p_switch_rtp rtp_session, uint queue_frames, uint max_queue_frames, uint samples_per_packet, uint samples_per_second, uint max_drift) {
-    switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_rtp_activate_jitter_buffer(SWIGTYPE_p_switch_rtp.getCPtr(rtp_session), queue_frames, max_queue_frames, samples_per_packet, samples_per_second, max_drift);
+  public static switch_status_t switch_rtp_activate_jitter_buffer(SWIGTYPE_p_switch_rtp rtp_session, uint queue_frames, uint max_queue_frames, uint samples_per_packet, uint samples_per_second) {
+    switch_status_t ret = (switch_status_t)freeswitchPINVOKE.switch_rtp_activate_jitter_buffer(SWIGTYPE_p_switch_rtp.getCPtr(rtp_session), queue_frames, max_queue_frames, samples_per_packet, samples_per_second);
     return ret;
   }
 
@@ -6461,9 +6476,9 @@ public class freeswitch {
     return ret;
   }
 
-  public static SWIGTYPE_p_stfu_instance_t switch_rtp_get_jitter_buffer(SWIGTYPE_p_switch_rtp rtp_session) {
+  public static SWIGTYPE_p_switch_jb_s switch_rtp_get_jitter_buffer(SWIGTYPE_p_switch_rtp rtp_session) {
     IntPtr cPtr = freeswitchPINVOKE.switch_rtp_get_jitter_buffer(SWIGTYPE_p_switch_rtp.getCPtr(rtp_session));
-    SWIGTYPE_p_stfu_instance_t ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_stfu_instance_t(cPtr, false);
+    SWIGTYPE_p_switch_jb_s ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_switch_jb_s(cPtr, false);
     return ret;
   }
 
@@ -13779,6 +13794,12 @@ class freeswitchPINVOKE {
   [DllImport("mod_managed", EntryPoint="CSharp_switch_mm_t_vbuf_get")]
   public static extern int switch_mm_t_vbuf_get(HandleRef jarg1);
 
+  [DllImport("mod_managed", EntryPoint="CSharp_switch_mm_t_vencspd_set")]
+  public static extern void switch_mm_t_vencspd_set(HandleRef jarg1, int jarg2);
+
+  [DllImport("mod_managed", EntryPoint="CSharp_switch_mm_t_vencspd_get")]
+  public static extern int switch_mm_t_vencspd_get(HandleRef jarg1);
+
   [DllImport("mod_managed", EntryPoint="CSharp_new_switch_mm_t")]
   public static extern IntPtr new_switch_mm_t();
 
@@ -16800,6 +16821,9 @@ class freeswitchPINVOKE {
   [DllImport("mod_managed", EntryPoint="CSharp_switch_ivr_parse_all_signal_data")]
   public static extern int switch_ivr_parse_all_signal_data(HandleRef jarg1);
 
+  [DllImport("mod_managed", EntryPoint="CSharp_switch_ivr_parse_next_signal_data")]
+  public static extern int switch_ivr_parse_next_signal_data(HandleRef jarg1);
+
   [DllImport("mod_managed", EntryPoint="CSharp_switch_ivr_process_indications")]
   public static extern int switch_ivr_process_indications(HandleRef jarg1, HandleRef jarg2);
 
@@ -16962,9 +16986,15 @@ class freeswitchPINVOKE {
   [DllImport("mod_managed", EntryPoint="CSharp_switch_ivr_media")]
   public static extern int switch_ivr_media(string jarg1, uint jarg2);
 
+  [DllImport("mod_managed", EntryPoint="CSharp_switch_ivr_3p_media")]
+  public static extern int switch_ivr_3p_media(string jarg1, uint jarg2);
+
   [DllImport("mod_managed", EntryPoint="CSharp_switch_ivr_nomedia")]
   public static extern int switch_ivr_nomedia(string jarg1, uint jarg2);
 
+  [DllImport("mod_managed", EntryPoint="CSharp_switch_ivr_3p_nomedia")]
+  public static extern int switch_ivr_3p_nomedia(string jarg1, uint jarg2);
+
   [DllImport("mod_managed", EntryPoint="CSharp_switch_ivr_hold_uuid")]
   public static extern int switch_ivr_hold_uuid(string jarg1, string jarg2, int jarg3);
 
@@ -17512,13 +17542,13 @@ class freeswitchPINVOKE {
   public static extern IntPtr switch_rtp_get_media_timer(HandleRef jarg1);
 
   [DllImport("mod_managed", EntryPoint="CSharp_switch_rtp_set_video_buffer_size")]
-  public static extern int switch_rtp_set_video_buffer_size(HandleRef jarg1, uint jarg2);
+  public static extern int switch_rtp_set_video_buffer_size(HandleRef jarg1, uint jarg2, uint jarg3);
 
   [DllImport("mod_managed", EntryPoint="CSharp_switch_rtp_get_video_buffer_size")]
   public static extern uint switch_rtp_get_video_buffer_size(HandleRef jarg1);
 
   [DllImport("mod_managed", EntryPoint="CSharp_switch_rtp_activate_jitter_buffer")]
-  public static extern int switch_rtp_activate_jitter_buffer(HandleRef jarg1, uint jarg2, uint jarg3, uint jarg4, uint jarg5, uint jarg6);
+  public static extern int switch_rtp_activate_jitter_buffer(HandleRef jarg1, uint jarg2, uint jarg3, uint jarg4, uint jarg5);
 
   [DllImport("mod_managed", EntryPoint="CSharp_switch_rtp_debug_jitter_buffer")]
   public static extern int switch_rtp_debug_jitter_buffer(HandleRef jarg1, string jarg2);
@@ -21212,36 +21242,6 @@ namespace FreeSWITCH.Native {
 using System;
 using System.Runtime.InteropServices;
 
-public class SWIGTYPE_p_f_p_switch_core_session_enum_switch_media_type_t__p_stfu_instance_t {
-  private HandleRef swigCPtr;
-
-  internal SWIGTYPE_p_f_p_switch_core_session_enum_switch_media_type_t__p_stfu_instance_t(IntPtr cPtr, bool futureUse) {
-    swigCPtr = new HandleRef(this, cPtr);
-  }
-
-  protected SWIGTYPE_p_f_p_switch_core_session_enum_switch_media_type_t__p_stfu_instance_t() {
-    swigCPtr = new HandleRef(null, IntPtr.Zero);
-  }
-
-  internal static HandleRef getCPtr(SWIGTYPE_p_f_p_switch_core_session_enum_switch_media_type_t__p_stfu_instance_t obj) {
-    return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
-  }
-}
-
-}
-/* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 2.0.12
- *
- * Do not make changes to this file unless you know what you are doing--modify
- * the SWIG interface file instead.
- * ----------------------------------------------------------------------------- */
-
-namespace FreeSWITCH.Native {
-
-using System;
-using System.Runtime.InteropServices;
-
 public class SWIGTYPE_p_f_p_switch_core_session__int {
   private HandleRef swigCPtr;
 
@@ -21872,6 +21872,36 @@ namespace FreeSWITCH.Native {
 using System;
 using System.Runtime.InteropServices;
 
+public class SWIGTYPE_p_f_p_switch_core_session_t_switch_media_type_t__p_switch_jb_s {
+  private HandleRef swigCPtr;
+
+  internal SWIGTYPE_p_f_p_switch_core_session_t_switch_media_type_t__p_switch_jb_s(IntPtr cPtr, bool futureUse) {
+    swigCPtr = new HandleRef(this, cPtr);
+  }
+
+  protected SWIGTYPE_p_f_p_switch_core_session_t_switch_media_type_t__p_switch_jb_s() {
+    swigCPtr = new HandleRef(null, IntPtr.Zero);
+  }
+
+  internal static HandleRef getCPtr(SWIGTYPE_p_f_p_switch_core_session_t_switch_media_type_t__p_switch_jb_s obj) {
+    return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
+  }
+}
+
+}
+/* ----------------------------------------------------------------------------
+ * This file was automatically generated by SWIG (http://www.swig.org).
+ * Version 2.0.12
+ *
+ * Do not make changes to this file unless you know what you are doing--modify
+ * the SWIG interface file instead.
+ * ----------------------------------------------------------------------------- */
+
+namespace FreeSWITCH.Native {
+
+using System;
+using System.Runtime.InteropServices;
+
 public class SWIGTYPE_p_f_p_switch_directory_handle_p_char_p_char_p_char__switch_status_t {
   private HandleRef swigCPtr;
 
@@ -24812,36 +24842,6 @@ namespace FreeSWITCH.Native {
 using System;
 using System.Runtime.InteropServices;
 
-public class SWIGTYPE_p_stfu_instance_t {
-  private HandleRef swigCPtr;
-
-  internal SWIGTYPE_p_stfu_instance_t(IntPtr cPtr, bool futureUse) {
-    swigCPtr = new HandleRef(this, cPtr);
-  }
-
-  protected SWIGTYPE_p_stfu_instance_t() {
-    swigCPtr = new HandleRef(null, IntPtr.Zero);
-  }
-
-  internal static HandleRef getCPtr(SWIGTYPE_p_stfu_instance_t obj) {
-    return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
-  }
-}
-
-}
-/* ----------------------------------------------------------------------------
- * This file was automatically generated by SWIG (http://www.swig.org).
- * Version 2.0.12
- *
- * Do not make changes to this file unless you know what you are doing--modify
- * the SWIG interface file instead.
- * ----------------------------------------------------------------------------- */
-
-namespace FreeSWITCH.Native {
-
-using System;
-using System.Runtime.InteropServices;
-
 public class SWIGTYPE_p_switch_buffer {
   private HandleRef swigCPtr;
 
@@ -25472,6 +25472,36 @@ namespace FreeSWITCH.Native {
 using System;
 using System.Runtime.InteropServices;
 
+public class SWIGTYPE_p_switch_jb_s {
+  private HandleRef swigCPtr;
+
+  internal SWIGTYPE_p_switch_jb_s(IntPtr cPtr, bool futureUse) {
+    swigCPtr = new HandleRef(this, cPtr);
+  }
+
+  protected SWIGTYPE_p_switch_jb_s() {
+    swigCPtr = new HandleRef(null, IntPtr.Zero);
+  }
+
+  internal static HandleRef getCPtr(SWIGTYPE_p_switch_jb_s obj) {
+    return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
+  }
+}
+
+}
+/* ----------------------------------------------------------------------------
+ * This file was automatically generated by SWIG (http://www.swig.org).
+ * Version 2.0.12
+ *
+ * Do not make changes to this file unless you know what you are doing--modify
+ * the SWIG interface file instead.
+ * ----------------------------------------------------------------------------- */
+
+namespace FreeSWITCH.Native {
+
+using System;
+using System.Runtime.InteropServices;
+
 public class SWIGTYPE_p_switch_live_array_s {
   private HandleRef swigCPtr;
 
@@ -29166,6 +29196,10 @@ public enum switch_channel_flag_t {
   CF_VIDEO_MIRROR_INPUT,
   CF_VIDEO_READ_FILE_ATTACHED,
   CF_VIDEO_WRITE_FILE_ATTACHED,
+  CF_3P_MEDIA_REQUESTED,
+  CF_3P_NOMEDIA_REQUESTED,
+  CF_3P_NOMEDIA_REQUESTED_BLEG,
+  CF_VIDEO_SDP_RECVD,
   CF_FLAG_MAX
 }
 
@@ -31208,7 +31242,9 @@ public enum switch_core_session_message_types_t {
   SWITCH_MESSAGE_INDICATE_TRANSFER,
   SWITCH_MESSAGE_INDICATE_RINGING,
   SWITCH_MESSAGE_INDICATE_MEDIA,
+  SWITCH_MESSAGE_INDICATE_3P_MEDIA,
   SWITCH_MESSAGE_INDICATE_NOMEDIA,
+  SWITCH_MESSAGE_INDICATE_3P_NOMEDIA,
   SWITCH_MESSAGE_INDICATE_HOLD,
   SWITCH_MESSAGE_INDICATE_UNHOLD,
   SWITCH_MESSAGE_INDICATE_REDIRECT,
@@ -36550,13 +36586,13 @@ public class switch_io_routines : IDisposable {
     } 
   }
 
-  public SWIGTYPE_p_f_p_switch_core_session_enum_switch_media_type_t__p_stfu_instance_t get_jb {
+  public SWIGTYPE_p_f_p_switch_core_session_t_switch_media_type_t__p_switch_jb_s get_jb {
     set {
-      freeswitchPINVOKE.switch_io_routines_get_jb_set(swigCPtr, SWIGTYPE_p_f_p_switch_core_session_enum_switch_media_type_t__p_stfu_instance_t.getCPtr(value));
+      freeswitchPINVOKE.switch_io_routines_get_jb_set(swigCPtr, SWIGTYPE_p_f_p_switch_core_session_t_switch_media_type_t__p_switch_jb_s.getCPtr(value));
     } 
     get {
       IntPtr cPtr = freeswitchPINVOKE.switch_io_routines_get_jb_get(swigCPtr);
-      SWIGTYPE_p_f_p_switch_core_session_enum_switch_media_type_t__p_stfu_instance_t ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_f_p_switch_core_session_enum_switch_media_type_t__p_stfu_instance_t(cPtr, false);
+      SWIGTYPE_p_f_p_switch_core_session_t_switch_media_type_t__p_switch_jb_s ret = (cPtr == IntPtr.Zero) ? null : new SWIGTYPE_p_f_p_switch_core_session_t_switch_media_type_t__p_switch_jb_s(cPtr, false);
       return ret;
     } 
   }
@@ -38000,6 +38036,16 @@ public class switch_mm_t : IDisposable {
     } 
   }
 
+  public switch_video_encode_speed_t vencspd {
+    set {
+      freeswitchPINVOKE.switch_mm_t_vencspd_set(swigCPtr, (int)value);
+    } 
+    get {
+      switch_video_encode_speed_t ret = (switch_video_encode_speed_t)freeswitchPINVOKE.switch_mm_t_vencspd_get(swigCPtr);
+      return ret;
+    } 
+  }
+
   public switch_mm_t() : this(freeswitchPINVOKE.new_switch_mm_t(), true) {
   }
 
@@ -42597,6 +42643,24 @@ public class switch_video_codec_settings : IDisposable {
 
 namespace FreeSWITCH.Native {
 
+public enum switch_video_encode_speed_t {
+  SWITCH_VIDEO_ENCODE_SPEED_DEFAULT,
+  SWITCH_VIDEO_ENCODE_SPEED_SLOW,
+  SWITCH_VIDEO_ENCODE_SPEED_MEDIUM,
+  SWITCH_VIDEO_ENCODE_SPEED_FAST
+}
+
+}
+/* ----------------------------------------------------------------------------
+ * This file was automatically generated by SWIG (http://www.swig.org).
+ * Version 2.0.12
+ *
+ * Do not make changes to this file unless you know what you are doing--modify
+ * the SWIG interface file instead.
+ * ----------------------------------------------------------------------------- */
+
+namespace FreeSWITCH.Native {
+
 public enum switch_video_read_flag_t {
   SVR_BLOCK = (1 << 0),
   SVR_FLUSH = (1 << 1),
diff --git a/src/switch_core_codec.c b/src/switch_core_codec.c
index 5d51a3e62a..59ca4e494f 100644
--- a/src/switch_core_codec.c
+++ b/src/switch_core_codec.c
@@ -878,6 +878,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_codec_control(switch_codec_t *codec,
 														  switch_codec_control_command_t cmd, 
 														  switch_codec_control_type_t ctype,
 														  void *cmd_data,
+														  switch_codec_control_type_t atype,
+														  void *cmd_arg,
 														  switch_codec_control_type_t *rtype,
 														  void **ret_data) 
 {
@@ -898,7 +900,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_codec_control(switch_codec_t *codec,
 	if (codec->mutex) switch_mutex_lock(codec->mutex);
 
 	if (codec->implementation->codec_control) {
-		status = codec->implementation->codec_control(codec, cmd, ctype, cmd_data, rtype, ret_data);
+		status = codec->implementation->codec_control(codec, cmd, ctype, cmd_data, atype, cmd_arg, rtype, ret_data);
 	}
 
 	if (codec->mutex) switch_mutex_unlock(codec->mutex);
diff --git a/src/switch_core_media.c b/src/switch_core_media.c
index 74eae14a6d..54539868e7 100644
--- a/src/switch_core_media.c
+++ b/src/switch_core_media.c
@@ -1853,12 +1853,17 @@ static void check_jb(switch_core_session_t *session, const char *input, int32_t
 		
 		if (v_engine->rtp_session) {
 			if (!strncasecmp(input, "vbsize:", 7)) {
-				int frames = 0;
+				int frames = 0, max_frames = 0;
 				s = input + 7;
 				
 				frames = atoi(s);
+
+				if ((s = strchr(s, ':')) && *(s+1) != '\0') {
+					max_frames = atoi(s+1);
+				}
+				
 				if (frames > 0) {
-					switch_rtp_set_video_buffer_size(v_engine->rtp_session, frames);
+					switch_rtp_set_video_buffer_size(v_engine->rtp_session, frames, max_frames);
 				}
 				return;
 			} else if (!strncasecmp(input, "vdebug:", 7)) {
@@ -1875,27 +1880,30 @@ static void check_jb(switch_core_session_t *session, const char *input, int32_t
 	
 
 	if (jb_msec || (val = switch_channel_get_variable(session->channel, "jitterbuffer_msec")) || (val = smh->mparams->jb_msec)) {
-		int max_drift = 0;
-		char *p, *q;
+		char *p;
 
 		if (!jb_msec) {
 			jb_msec = atoi(val);
+
+			if (strchr(val, 'p') && jb_msec > 0) {
+				jb_msec *= -1;
+			}
 					
 			if ((p = strchr(val, ':'))) {
 				p++;
 				maxlen = atoi(p);
-				if ((q = strchr(p, ':'))) {
-					q++;
-					max_drift = abs(atoi(q));
+
+				if (strchr(p, 'p') && maxlen > 0) {
+					maxlen *= -1;
 				}
 			}
 		}
 
-		if (jb_msec < 0 && jb_msec > -20) {
+		if (jb_msec < 0 && jb_msec > -1000) {
 			jb_msec = (a_engine->read_codec.implementation->microseconds_per_packet / 1000) * abs(jb_msec);
 		}
 
-		if (maxlen < 0 && maxlen > -20) {
+		if (maxlen < 0 && maxlen > -1000) {
 			maxlen = (a_engine->read_codec.implementation->microseconds_per_packet / 1000) * abs(maxlen);
 		}
 
@@ -1903,7 +1911,7 @@ static void check_jb(switch_core_session_t *session, const char *input, int32_t
 			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR,
 							  "Invalid Jitterbuffer spec [%d] must be between 10 and 10000\n", jb_msec);
 		} else {
-			int qlen, maxqlen = 10;
+			int qlen, maxqlen = 30;
 				
 			qlen = jb_msec / (a_engine->read_impl.microseconds_per_packet / 1000);
 
@@ -1916,11 +1924,11 @@ static void check_jb(switch_core_session_t *session, const char *input, int32_t
 			}
 			if (switch_rtp_activate_jitter_buffer(a_engine->rtp_session, qlen, maxqlen,
 												  a_engine->read_impl.samples_per_packet, 
-												  a_engine->read_impl.samples_per_second, max_drift) == SWITCH_STATUS_SUCCESS) {
-						switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), 
-										  SWITCH_LOG_DEBUG, "Setting Jitterbuffer to %dms (%d frames) (%d max frames) (%d max drift)\n", 
-										  jb_msec, qlen, maxqlen, max_drift);
-						switch_channel_set_flag(session->channel, CF_JITTERBUFFER);
+												  a_engine->read_impl.samples_per_second) == SWITCH_STATUS_SUCCESS) {
+				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), 
+								  SWITCH_LOG_DEBUG, "Setting Jitterbuffer to %dms (%d frames) (%d max frames)\n", 
+								  jb_msec, qlen, maxqlen);
+				switch_channel_set_flag(session->channel, CF_JITTERBUFFER);
 				if (!switch_false(switch_channel_get_variable(session->channel, "rtp_jitter_buffer_plc"))) {
 					switch_channel_set_flag(session->channel, CF_JITTERBUFFER_PLC);
 				}
@@ -1938,6 +1946,9 @@ static void check_jb_sync(switch_core_session_t *session)
 {
 	int32_t jb_sync_msec = 0;
 	uint32_t fps, frames = 0;
+	uint32_t min_frames = 0;
+	uint32_t max_frames = 0;
+	uint32_t cur_frames = 0;
 	switch_media_handle_t *smh;
 	switch_rtp_engine_t *v_engine = NULL;
 	const char *var;
@@ -1954,7 +1965,7 @@ static void check_jb_sync(switch_core_session_t *session)
 
 	v_engine = &smh->engines[SWITCH_MEDIA_TYPE_VIDEO];
 	
-	if ((var = switch_channel_get_variable_dup(session->channel, "jb_sync_msec", SWITCH_FALSE, -1))) {
+	if ((var = switch_channel_get_variable_dup(session->channel, "jb_av_sync_msec", SWITCH_FALSE, -1))) {
 		int tmp;
 		char *p;
 		
@@ -1980,7 +1991,7 @@ static void check_jb_sync(switch_core_session_t *session)
 		fps = switch_core_media_get_video_fps(session);
 	}
 	
-	if (!fps) return;
+	if (fps < 15) return;
 
 	if (!frames) {
 		frames = fps / 7.5;
@@ -2000,7 +2011,9 @@ static void check_jb_sync(switch_core_session_t *session)
 	//	}
 	//}
 
-	if (frames == switch_rtp_get_video_buffer_size(v_engine->rtp_session)) {
+	switch_rtp_get_video_buffer_size(v_engine->rtp_session, &min_frames, &max_frames, &cur_frames, NULL);
+
+	if (cur_frames > min_frames || frames == min_frames) {
 		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), 
 						  SWITCH_LOG_DEBUG1, "%s %s \"%s\" A/V JB not changed %dms %u VFrames FPS %u\n", 
 						  switch_core_session_get_uuid(session),
@@ -2015,8 +2028,8 @@ static void check_jb_sync(switch_core_session_t *session)
 						  switch_channel_get_variable_dup(session->channel, "caller_id_name", SWITCH_FALSE, -1),
 						  jb_sync_msec, frames, fps);
 		
-		switch_rtp_set_video_buffer_size(v_engine->rtp_session, frames);
-		check_jb(session, NULL, jb_sync_msec, jb_sync_msec * 4);
+		switch_rtp_set_video_buffer_size(v_engine->rtp_session, frames, 0);
+		check_jb(session, NULL, jb_sync_msec, 0);
 	}
 }
 
@@ -8919,6 +8932,55 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_receive_message(switch_core_se
 		}
 		break;
 
+	case SWITCH_MESSAGE_INDICATE_CODEC_DEBUG_REQ:
+		{
+			switch_rtp_engine_t *engine = &smh->engines[msg->numeric_reply];
+			uint32_t level = (uint32_t) msg->numeric_arg;
+			
+			if (engine->rtp_session) {
+				switch_core_codec_control(&engine->read_codec, SCC_DEBUG, SCCT_INT, (void *)&level, SCCT_NONE, NULL, NULL, NULL);
+				switch_core_codec_control(&engine->write_codec, SCC_DEBUG, SCCT_INT, (void *)&level, SCCT_NONE, NULL, NULL, NULL);
+			}
+		}
+		break;
+
+	case SWITCH_MESSAGE_INDICATE_CODEC_SPECIFIC_REQ:
+		{
+			switch_rtp_engine_t *engine;
+			switch_io_type_t iotype = SWITCH_IO_READ;
+			switch_media_type_t type = SWITCH_MEDIA_TYPE_AUDIO;
+			switch_codec_control_type_t reply_type = SCCT_NONE;
+			void *reply = NULL;
+
+			if (!strcasecmp(msg->string_array_arg[0], "video")) {
+				type = SWITCH_MEDIA_TYPE_VIDEO;
+			}
+
+			if (!strcasecmp(msg->string_array_arg[1], "write")) {
+				iotype = SWITCH_IO_WRITE;
+			}
+
+			engine = &smh->engines[type];
+
+			if (engine->rtp_session) {
+				if (iotype == SWITCH_IO_READ) {
+					switch_core_codec_control(&engine->read_codec, SCC_CODEC_SPECIFIC, 
+											  SCCT_STRING, (void *)msg->string_array_arg[2], 
+											  SCCT_STRING, (void *)msg->string_array_arg[3], &reply_type, &reply);
+				} else {
+					switch_core_codec_control(&engine->write_codec, SCC_CODEC_SPECIFIC, 
+											  SCCT_STRING, (void *)msg->string_array_arg[2], 
+											  SCCT_STRING, (void *)msg->string_array_arg[3], &reply_type, &reply);
+				}
+				
+				
+				if (reply_type == SCCT_STRING) {
+					msg->string_array_arg[4] = (char *)reply;
+				}
+			}
+		}
+		break;
+
 	case SWITCH_MESSAGE_INDICATE_DEBUG_MEDIA:
 		{
 			switch_rtp_t *rtp = a_engine->rtp_session;
@@ -9417,7 +9479,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_udptl_mode(switch_core_session
 }
 
 //?
-SWITCH_DECLARE(stfu_instance_t *) switch_core_media_get_jb(switch_core_session_t *session, switch_media_type_t type)
+SWITCH_DECLARE(switch_jb_t *) switch_core_media_get_jb(switch_core_session_t *session, switch_media_type_t type)
 {
 	switch_media_handle_t *smh;
 
@@ -9781,12 +9843,12 @@ SWITCH_DECLARE(void) switch_core_session_stop_media(switch_core_session_t *sessi
 
 	if (switch_core_codec_ready(&v_engine->read_codec)) {
 		type = 1;
-		switch_core_codec_control(&v_engine->read_codec, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, NULL, NULL);
+		switch_core_codec_control(&v_engine->read_codec, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, SCCT_NONE, NULL, NULL, NULL);
 	}
 
 	if (switch_core_codec_ready(&v_engine->write_codec)) {
 		type = 2;
-		switch_core_codec_control(&v_engine->write_codec, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, NULL, NULL);
+		switch_core_codec_control(&v_engine->write_codec, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, SCCT_NONE, NULL, NULL, NULL);
 	}
 
 	if (a_engine->rtp_session) {
@@ -10420,6 +10482,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_codec_control(switch_core_sess
 																switch_codec_control_command_t cmd, 
 																switch_codec_control_type_t ctype,
 																void *cmd_data,
+																switch_codec_control_type_t atype,
+																void *cmd_arg,
 																switch_codec_control_type_t *rtype,
 																void **ret_data) 
 {
@@ -10465,7 +10529,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_codec_control(switch_core_sess
 			switch_channel_set_flag(session->channel, CF_VIDEO_REFRESH_REQ);
 		}
 
-		return switch_core_codec_control(codec, cmd, ctype, cmd_data, rtype, ret_data);
+		return switch_core_codec_control(codec, cmd, ctype, cmd_data, atype, cmd_arg, rtype, ret_data);
 	}
 
 	return SWITCH_STATUS_FALSE;
@@ -10516,7 +10580,7 @@ SWITCH_DECLARE(void) switch_core_session_video_reinit(switch_core_session_t *ses
 	switch_core_session_send_and_request_video_refresh(session);
 	
 	type = 1;
-	switch_core_media_codec_control(session, SWITCH_MEDIA_TYPE_VIDEO, SWITCH_IO_READ, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, NULL, NULL);
+	switch_core_media_codec_control(session, SWITCH_MEDIA_TYPE_VIDEO, SWITCH_IO_READ, SCC_VIDEO_RESET, SCCT_INT, (void *)&type, SCCT_NONE, NULL, NULL, NULL);
 	switch_core_session_request_video_refresh(session);
 
 }
diff --git a/src/switch_core_session.c b/src/switch_core_session.c
index e60aeba43e..9b6e28e9dd 100644
--- a/src/switch_core_session.c
+++ b/src/switch_core_session.c
@@ -65,7 +65,7 @@ SWITCH_DECLARE(switch_ivr_dmachine_t *) switch_core_session_get_dmachine(switch_
 }
 
 
-SWITCH_DECLARE(stfu_instance_t *) switch_core_session_get_jb(switch_core_session_t *session, switch_media_type_t type)
+SWITCH_DECLARE(switch_jb_t *) switch_core_session_get_jb(switch_core_session_t *session, switch_media_type_t type)
 {
 	if (session->endpoint_interface->io_routines->get_jb) {
 		return session->endpoint_interface->io_routines->get_jb(session, type);
@@ -759,6 +759,8 @@ static const char *message_names[] = {
 	"HARD_MUTE",
 	"BITRATE_REQ",
 	"BITRATE_ACK",
+	"CODEC_DEBUG_REQ",
+	"CODEC_SPECIFIC_REQ",
 	"REFER_EVENT",
 	"ANSWER_EVENT",
 	"PROGRESS_EVENT",
diff --git a/src/switch_ivr.c b/src/switch_ivr.c
index 95c275ce6e..f1995c52ee 100644
--- a/src/switch_ivr.c
+++ b/src/switch_ivr.c
@@ -3159,59 +3159,90 @@ SWITCH_DECLARE(void) switch_ivr_park_session(switch_core_session_t *session)
 
 SWITCH_DECLARE(void) switch_ivr_delay_echo(switch_core_session_t *session, uint32_t delay_ms)
 {
-	stfu_instance_t *jb;
+	switch_jb_t *jb;
 	int qlen = 0;
-	stfu_frame_t *jb_frame;
 	switch_frame_t *read_frame, write_frame = { 0 };
 	switch_status_t status;
 	switch_channel_t *channel = switch_core_session_get_channel(session);
 	uint32_t interval;
 	uint32_t ts = 0;
+	uint16_t seq = 0;
 	switch_codec_implementation_t read_impl = { 0 };
-	switch_core_session_get_read_impl(session, &read_impl);
+	int is_rtp = 0;
+	int debug = 0;
+	const char *var;
 
 
+	switch_core_session_get_read_impl(session, &read_impl);
+
 	if (delay_ms < 1 || delay_ms > 10000) {
 		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Invalid delay [%d] must be between 1 and 10000\n", delay_ms);
 		return;
 	}
 
 	interval = read_impl.microseconds_per_packet / 1000;
-	//samples = switch_samples_per_packet(read_impl.samples_per_second, interval);
 
 	if (delay_ms < interval * 2) {
 		delay_ms = interval * 2;
 		switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_WARNING, "Minimum possible delay for this codec (%d) has been chosen\n", delay_ms);
 	}
 
-
 	qlen = delay_ms / (interval);
 	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG, "Setting delay to %dms (%d frames)\n", delay_ms, qlen);
-	jb = stfu_n_init(qlen, qlen, read_impl.samples_per_packet, read_impl.samples_per_second, 0);
+
+	switch_jb_create(&jb, SJB_AUDIO, qlen, qlen, switch_core_session_get_pool(session));
+
+	if ((var = switch_channel_get_variable(channel, "delay_echo_debug_level"))) {
+		debug = atoi(var);
+	}
+
+	if (debug) {
+		switch_jb_debug_level(jb, debug);
+	}
 
 	write_frame.codec = switch_core_session_get_read_codec(session);
 
 	while (switch_channel_ready(channel)) {
+		switch_rtp_packet_t packet = { {0} };
+		switch_size_t plen = sizeof(packet);
+
 		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
+
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
 		}
 
-		stfu_n_eat(jb, ts, 0, read_frame->payload, read_frame->data, read_frame->datalen, 0);
-		ts += read_impl.samples_per_packet;
+		if (switch_test_flag(read_frame, SFF_CNG)) {
+			continue;
+		}
+
+		if (read_frame->packet) {
+			is_rtp = 1;
+			switch_jb_put_packet(jb, (switch_rtp_packet_t *) read_frame->packet, read_frame->packetlen);
+		} else if (is_rtp) {
+			continue;
+		} else {
+			ts += read_impl.samples_per_packet;
+			memcpy(packet.body, read_frame->data, read_frame->datalen);
+			packet.header.ts = htonl(ts);
+			packet.header.seq = htons(++seq);
+			packet.header.version = 2;
+		}
+		
+		if (switch_jb_get_packet(jb, (switch_rtp_packet_t *) &packet, &plen) == SWITCH_STATUS_SUCCESS) {
+			write_frame.data = packet.body;
+			write_frame.datalen = (uint32_t) plen - 12;
+			write_frame.buflen = (uint32_t) plen;
 
-		if ((jb_frame = stfu_n_read_a_frame(jb))) {
-			write_frame.data = jb_frame->data;
-			write_frame.datalen = (uint32_t) jb_frame->dlen;
-			write_frame.buflen = (uint32_t) jb_frame->dlen;
 			status = switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0);
+
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				break;
 			}
 		}
 	}
 
-	stfu_n_destroy(&jb);
+	switch_jb_destroy(&jb);
 }
 
 SWITCH_DECLARE(switch_status_t) switch_ivr_say(switch_core_session_t *session,
diff --git a/src/switch_jitterbuffer.c b/src/switch_jitterbuffer.c
new file mode 100644
index 0000000000..ae34b0183f
--- /dev/null
+++ b/src/switch_jitterbuffer.c
@@ -0,0 +1,1086 @@
+/* 
+ * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ * Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * Version: MPL 1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
+ *
+ * The Initial Developer of the Original Code is
+ * Anthony Minessale II <anthm@freeswitch.org>
+ * Portions created by the Initial Developer are Copyright (C)
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ * 
+ * Anthony Minessale II <anthm@freeswitch.org>
+ *
+ * switch_jitterbuffer.c -- Audio/Video Jitter Buffer
+ *
+ */
+#include <switch.h>
+#include <switch_jitterbuffer.h>
+#include "private/switch_hashtable_private.h"
+
+#define PERIOD_LEN 500
+#define MAX_FRAME_PADDING 2
+#define MAX_MISSING_SEQ 20
+#define jb_debug(_jb, _level, _format, ...) if (_jb->debug_level >= _level) switch_log_printf(SWITCH_CHANNEL_SESSION_LOG_CLEAN(_jb->session), SWITCH_LOG_ALERT, "JB:%p:%s lv:%d ln:%d sz:%u/%u/%u c:%u %u/%u/%u/%u %.2f%% ->" _format, (void *) _jb, (jb->type == SJB_AUDIO ? "aud" : "vid"), _level, __LINE__,  _jb->min_frame_len, _jb->max_frame_len, _jb->frame_len, _jb->period_count, _jb->consec_good_count, _jb->period_good_count, _jb->consec_miss_count, _jb->period_miss_count, _jb->period_miss_pct, __VA_ARGS__)
+
+const char *TOKEN_1 = "ONE";
+const char *TOKEN_2 = "TWO";
+
+struct switch_jb_s;
+
+typedef struct switch_jb_node_s {
+	struct switch_jb_s *parent;
+	switch_rtp_packet_t packet;
+	uint32_t len;
+	uint8_t visible;
+	uint8_t bad_hits;
+	struct switch_jb_node_s *prev;
+	struct switch_jb_node_s *next;
+} switch_jb_node_t;
+
+struct switch_jb_s {
+	struct switch_jb_node_s *node_list;
+	uint32_t last_target_seq;
+	uint32_t highest_read_ts;
+	uint32_t highest_read_seq;
+	uint32_t highest_wrote_ts;
+	uint32_t highest_wrote_seq;
+	uint16_t target_seq;
+	uint32_t visible_nodes;
+	uint32_t complete_frames;
+	uint32_t frame_len;
+	uint32_t min_frame_len;
+	uint32_t max_frame_len;
+	uint32_t highest_frame_len;
+	uint32_t period_miss_count;
+	uint32_t consec_miss_count;
+	double period_miss_pct;
+	uint32_t period_good_count;
+	uint32_t consec_good_count;
+	uint32_t period_count;
+	uint32_t dropped;
+	uint8_t write_init;
+	uint8_t read_init;
+	uint8_t debug_level;
+	uint16_t next_seq;
+	switch_size_t last_len;
+	switch_inthash_t *missing_seq_hash;
+	switch_inthash_t *node_hash;
+	switch_mutex_t *mutex;
+	switch_mutex_t *list_mutex;
+	switch_memory_pool_t *pool;
+	int free_pool;
+	switch_jb_flag_t flags;
+	switch_jb_type_t type;
+	switch_core_session_t *session;
+	switch_channel_t *channel;
+};
+
+
+/*
+ * https://gist.github.com/ideasman42/5921b0edfc6aa41a9ce0
+ *
+ * Originally from: http://stackoverflow.com/a/27663998/432509
+ *
+ * With following modifications:
+ * - Use a pointer to the tail (remove 2x conditional checks, reduces code-size).
+ * - Avoid re-assigning empty values the size doesn't change.
+ * - Corrected comments.
+ */
+
+static int node_cmp(const void *l, const void *r)
+{
+	switch_jb_node_t *a = (switch_jb_node_t *) l;
+	switch_jb_node_t *b = (switch_jb_node_t *) r;
+
+	if (!a->visible && !b->visible) {
+		return 0;
+	}
+
+	if (a->visible != b->visible) {
+		if (a->visible) {
+			return 1;
+		} else {
+			return -1;
+		}
+	}
+
+	return a->packet.header.seq - b->packet.header.seq;
+}
+
+static switch_jb_node_t *sort_nodes(switch_jb_node_t *head, int (*cmp)(const void *, const void *))
+{
+	int block_size = 1, block_count;
+
+	do {
+		/* Maintain two lists pointing to two blocks, 'l' and 'r' */
+		switch_jb_node_t *l = head, *r = head, **tail_p;
+		
+		head = NULL; /* Start a new list */
+		tail_p = &head;
+
+		block_count = 0;
+
+		/* Walk through entire list in blocks of 'block_size'*/
+		while (l != NULL) {
+			/* Move 'r' to start of next block, measure size of 'l' list while doing so */
+			int l_size, r_size = block_size;
+			int l_empty, r_empty;
+
+			block_count++;
+			for (l_size = 0; (l_size < block_size) && (r != NULL); l_size++) {
+				r = r->next;
+			}
+
+			/* Merge two list until their individual ends */
+			l_empty = (l_size == 0);
+			r_empty = (r_size == 0 || r == NULL);
+			while (!l_empty || !r_empty) {
+				switch_jb_node_t *s;
+				/* Using <= instead of < gives us sort stability */
+				if (r_empty || (!l_empty && cmp(l, r) <= 0)) {
+					s = l;
+					l = l->next;
+					l_size--;
+					l_empty = (l_size == 0);
+				} else {
+					s = r;
+					r = r->next;
+					r_size--;
+					r_empty = (r_size == 0) || (r == NULL);
+				}
+
+				/* Update new list */
+				(*tail_p) = s;
+				tail_p = &(s->next);
+			}
+
+			/* 'r' now points to next block for 'l' */
+			l = r;
+		}
+
+		/* terminate new list, take care of case when input list is NULL */
+		*tail_p = NULL;
+
+		/* Lg n iterations */
+		block_size <<= 1;
+
+	} while (block_count > 1);
+
+	if (head) {
+		switch_jb_node_t *np, *last = NULL;
+
+		head->prev = NULL;
+
+		for (np = head; np ; np = np->next) {
+			if (last) {
+				np->prev = last;
+			}
+			last = np;
+		}
+	}
+				 
+
+	return head;
+}
+
+static inline switch_jb_node_t *new_node(switch_jb_t *jb)
+{
+	switch_jb_node_t *np;
+
+	switch_mutex_lock(jb->list_mutex);
+
+	for (np = jb->node_list; np; np = np->next) {
+		if (!np->visible) {
+			break;
+		}
+	}
+
+	if (!np) {
+		
+		np = switch_core_alloc(jb->pool, sizeof(*np));
+		
+		np->next = jb->node_list;
+		if (np->next) {
+			np->next->prev = np;
+		}
+		jb->node_list = np;
+		
+	}
+
+	switch_assert(np);
+	np->bad_hits = 0;
+	np->visible = 1;
+	jb->visible_nodes++;
+	np->parent = jb;
+
+	switch_mutex_unlock(jb->list_mutex);
+
+	return np;
+}
+
+static inline void push_to_top(switch_jb_t *jb, switch_jb_node_t *node)
+{
+	if (node == jb->node_list) {
+		jb->node_list = node->next;
+	} else if (node->prev) {
+		node->prev->next = node->next;
+	}
+			
+	if (node->next) {
+		node->next->prev = node->prev;
+	}
+
+	node->next = jb->node_list;
+	node->prev = NULL;
+
+	if (node->next) {
+		node->next->prev = node;
+	}
+
+	jb->node_list = node;
+
+	switch_assert(node->next != node);
+	switch_assert(node->prev != node);
+}
+
+static inline void hide_node(switch_jb_node_t *node, switch_bool_t pop)
+{
+	switch_jb_t *jb = node->parent;
+
+	switch_mutex_lock(jb->list_mutex);
+
+	if (node->visible) {
+		node->visible = 0;
+		node->bad_hits = 0;
+		jb->visible_nodes--;
+
+		if (pop) {
+			push_to_top(jb, node);
+		}
+	}
+
+	switch_core_inthash_delete(jb->node_hash, node->packet.header.seq);
+
+	switch_mutex_unlock(jb->list_mutex);
+}
+
+static inline void sort_free_nodes(switch_jb_t *jb)
+{
+	switch_jb_node_t *np, *this_np;
+	int start = 0;
+
+	switch_mutex_lock(jb->list_mutex);
+	np = jb->node_list;
+
+	while(np) {
+		this_np = np;
+		np = np->next;
+
+		if (this_np->visible) {
+			start++;
+		}
+
+		if (start && !this_np->visible) {
+			push_to_top(jb, this_np);
+		}		
+	}
+
+	switch_mutex_unlock(jb->list_mutex);
+}
+
+static inline void hide_nodes(switch_jb_t *jb)
+{
+	switch_jb_node_t *np;
+
+	switch_mutex_lock(jb->list_mutex);
+	for (np = jb->node_list; np; np = np->next) {
+		hide_node(np, SWITCH_FALSE);
+	}
+	switch_mutex_unlock(jb->list_mutex);
+}
+
+static inline void drop_ts(switch_jb_t *jb, uint32_t ts)
+{
+	switch_jb_node_t *np;
+	int x = 0;
+
+	switch_mutex_lock(jb->list_mutex);
+	for (np = jb->node_list; np; np = np->next) {
+		if (!np->visible) continue;
+
+		if (ts == np->packet.header.ts) {
+			hide_node(np, SWITCH_FALSE);
+			x++;
+		}
+	}
+
+	if (x) {
+		sort_free_nodes(jb);
+	}
+
+	switch_mutex_unlock(jb->list_mutex);
+	
+	if (x) jb->complete_frames--;
+}
+
+static inline switch_jb_node_t *jb_find_lowest_seq(switch_jb_t *jb, uint32_t ts)
+{
+	switch_jb_node_t *np, *lowest = NULL;
+	
+	switch_mutex_lock(jb->list_mutex);
+	for (np = jb->node_list; np; np = np->next) {
+		if (!np->visible) continue;
+
+		if (ts && ts != np->packet.header.ts) continue;
+
+		if (!lowest || ntohs(lowest->packet.header.seq) > ntohs(np->packet.header.seq)) {
+			lowest = np;
+		}
+	}
+	switch_mutex_unlock(jb->list_mutex);
+
+	return lowest;
+}
+
+static inline switch_jb_node_t *jb_find_lowest_node(switch_jb_t *jb)
+{
+	switch_jb_node_t *np, *lowest = NULL;
+
+	switch_mutex_lock(jb->list_mutex);
+	for (np = jb->node_list; np; np = np->next) {
+		if (!np->visible) continue;
+
+		if (!lowest || ntohl(lowest->packet.header.ts) > ntohl(np->packet.header.ts)) {
+			lowest = np;
+		}
+	}
+	switch_mutex_unlock(jb->list_mutex);
+
+	return lowest ? lowest : NULL;
+}
+
+static inline uint32_t jb_find_lowest_ts(switch_jb_t *jb)
+{
+	switch_jb_node_t *lowest = jb_find_lowest_node(jb);
+
+	return lowest ? lowest->packet.header.ts : 0;
+}
+
+static inline void jb_hit(switch_jb_t *jb)
+{
+	jb->period_good_count++;
+	jb->consec_good_count++;
+	jb->consec_miss_count = 0;
+}
+
+static inline void jb_miss(switch_jb_t *jb)
+{
+	jb->period_miss_count++;
+	jb->consec_miss_count++;
+	jb->consec_good_count = 0;
+}
+
+static void jb_frame_inc(switch_jb_t *jb, int i)
+{
+	uint32_t old_frame_len = jb->frame_len;
+	
+	if (i == 0) {
+		jb->frame_len = jb->min_frame_len;
+		goto end;
+	}
+
+	if (i > 0) {
+		if ((jb->frame_len + i) < jb->max_frame_len) {
+			jb->frame_len += i;
+		} else {
+			jb->frame_len = jb->max_frame_len;
+		}
+
+		goto end;
+	}
+
+	if (i < 0) {
+		if ((jb->frame_len + i) > jb->min_frame_len) {
+			jb->frame_len += i;
+		} else {
+			jb->frame_len = jb->min_frame_len;
+		}
+	}
+
+ end:
+
+	if (jb->frame_len > jb->highest_frame_len) {
+		jb->highest_frame_len = jb->frame_len;
+	}
+
+	if (jb->type == SJB_VIDEO && (jb->frame_len > jb->min_frame_len || jb->frame_len == jb->min_frame_len)) {
+		if (jb->channel) {
+			if (jb->frame_len == jb->min_frame_len) {
+				jb_debug(jb, 2, "%s", "Allow BITRATE changes\n");
+				switch_channel_clear_flag(jb->channel, CF_VIDEO_BITRATE_UNMANAGABLE);
+			} else {
+				switch_core_session_message_t msg = { 0 };
+				int new_bitrate = 256;
+
+				msg.message_id = SWITCH_MESSAGE_INDICATE_BITRATE_REQ;
+				msg.numeric_arg = new_bitrate * 1024;
+				msg.from = __FILE__;
+
+				jb_debug(jb, 2, "Force BITRATE to %d\n", new_bitrate);
+				switch_core_session_receive_message(jb->session, &msg);
+
+				switch_channel_set_flag(jb->channel, CF_VIDEO_BITRATE_UNMANAGABLE);
+				
+			}
+		}
+	}
+
+	if (old_frame_len != jb->frame_len) {
+		jb_debug(jb, 2, "Change framelen from %u to %u\n", old_frame_len, jb->frame_len);
+	}
+
+}
+
+static inline int verify_oldest_frame(switch_jb_t *jb)
+{
+	switch_jb_node_t *lowest = jb_find_lowest_node(jb), *np = NULL;
+	int r = 0;
+
+	if (!lowest || !(lowest = jb_find_lowest_seq(jb, lowest->packet.header.ts))) {
+		goto end;
+	}
+	
+	switch_mutex_lock(jb->mutex);
+
+	jb->node_list = sort_nodes(jb->node_list, node_cmp);
+
+	for (np = lowest->next; np; np = np->next) {
+			
+		if (!np->visible) continue;
+			
+		if (ntohs(np->packet.header.seq) != ntohs(np->prev->packet.header.seq) + 1) {
+			switch_core_inthash_insert(jb->missing_seq_hash, (uint32_t)htons(ntohs(np->prev->packet.header.seq) + 1), (void *) TOKEN_1);
+			break;
+		}
+				
+		if (np->packet.header.ts != lowest->packet.header.ts || !np->next) {
+			if (np->prev->packet.header.m) {
+				r = 1;
+			}
+		}
+	}
+	
+	switch_mutex_unlock(jb->mutex);
+
+ end:
+
+	if (!r && jb->session) {
+		switch_core_session_request_video_refresh(jb->session);
+	}
+
+	return r;
+}
+
+static inline void drop_oldest_frame(switch_jb_t *jb)
+{
+	uint32_t ts = jb_find_lowest_ts(jb);
+
+	drop_ts(jb, ts);
+	jb_debug(jb, 1, "Dropping oldest frame ts:%u\n", ntohl(ts));
+}
+
+static inline void add_node(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t len)
+{
+	switch_jb_node_t *node = new_node(jb);
+
+	node->packet = *packet;
+	node->len = len;
+	memcpy(node->packet.body, packet->body, len);
+
+	switch_core_inthash_insert(jb->node_hash, node->packet.header.seq, node);
+
+	jb_debug(jb, (packet->header.m ? 1 : 2), "PUT packet last_ts:%u ts:%u seq:%u%s\n", 
+			 ntohl(jb->highest_wrote_ts), ntohl(node->packet.header.ts), ntohs(node->packet.header.seq), packet->header.m ? " <MARK>" : "");
+
+
+
+
+
+	if (jb->write_init && ((abs(((int)htons(packet->header.seq) - htons(jb->highest_wrote_seq))) >= jb->max_frame_len) || 
+						   (abs((int)((int64_t)ntohl(node->packet.header.ts) - (int64_t)ntohl(jb->highest_wrote_ts))) > (900000 * 5)))) {
+		jb_debug(jb, 2, "%s", "CHANGE DETECTED, PUNT\n");
+		switch_jb_reset(jb);
+	}
+ 
+	 
+	 
+
+	if (!jb->write_init || ntohs(packet->header.seq) > ntohs(jb->highest_wrote_seq) || 
+		(ntohs(jb->highest_wrote_seq) > USHRT_MAX - 10 && ntohs(packet->header.seq) <= 10) ) {
+		jb->highest_wrote_seq = packet->header.seq;
+	}
+
+	if (jb->type == SJB_VIDEO) {
+		if (jb->write_init && htons(packet->header.seq) >= htons(jb->highest_wrote_seq) && (ntohl(node->packet.header.ts) > ntohl(jb->highest_wrote_ts))) {
+			jb->complete_frames++;
+			jb_debug(jb, 2, "WRITE frame ts: %u complete=%u/%u n:%u\n", ntohl(node->packet.header.ts), jb->complete_frames , jb->frame_len, jb->visible_nodes);
+			jb->highest_wrote_ts = packet->header.ts;
+			verify_oldest_frame(jb);
+		} else if (!jb->write_init) {
+			jb->highest_wrote_ts = packet->header.ts;
+		}
+	} else {
+		if (jb->write_init) {
+			jb_debug(jb, 2, "WRITE frame ts: %u complete=%u/%u n:%u\n", ntohl(node->packet.header.ts), jb->complete_frames , jb->frame_len, jb->visible_nodes);
+			jb->complete_frames++;
+		} else {
+			jb->highest_wrote_ts = packet->header.ts;
+		}
+	}
+	
+	if (!jb->write_init) jb->write_init = 1;
+
+	if (jb->complete_frames > jb->max_frame_len + MAX_FRAME_PADDING) {
+		drop_oldest_frame(jb);
+	}
+}
+
+static inline void increment_seq(switch_jb_t *jb)
+{
+	jb->target_seq = htons((ntohs(jb->target_seq) + 1));
+}
+
+static inline void set_read_seq(switch_jb_t *jb, uint16_t seq)
+{
+	jb->last_target_seq = seq;
+	jb->target_seq = htons((ntohs(jb->last_target_seq) + 1));
+}
+
+static inline switch_status_t jb_next_packet(switch_jb_t *jb, switch_jb_node_t **nodep)
+{
+	switch_jb_node_t *node = NULL;
+
+ top:
+
+	if (jb->type == SJB_VIDEO) {
+		if (jb->dropped) {
+			jb->dropped = 0;
+			jb_debug(jb, 2, "%s", "DROPPED FRAME DETECTED RESYNCING\n");
+			jb->target_seq = 0;
+			jb_frame_inc(jb, 1);
+
+			if (jb->session) {
+				switch_core_session_request_video_refresh(jb->session);
+			}
+		}
+	}
+
+	if (!jb->target_seq) {
+		if ((node = jb_find_lowest_seq(jb, 0))) {
+			jb_debug(jb, 2, "No target seq using seq: %u as a starting point\n", ntohs(node->packet.header.seq));
+		} else {
+			jb_debug(jb, 1, "%s", "No nodes available....\n");
+		}
+		jb_hit(jb);
+	} else if ((node = switch_core_inthash_find(jb->node_hash, jb->target_seq))) {
+		jb_debug(jb, 2, "FOUND desired seq: %u\n", ntohs(jb->target_seq));
+		jb_hit(jb);
+	} else {
+		jb_debug(jb, 2, "MISSING desired seq: %u\n", ntohs(jb->target_seq));
+		jb_miss(jb);
+
+		if (jb->type == SJB_VIDEO) {
+			int x;
+
+			if (jb->session) {
+				switch_core_session_request_video_refresh(jb->session);
+			}
+			
+			for (x = 0; x < 10; x++) {
+				increment_seq(jb);
+				if ((node = switch_core_inthash_find(jb->node_hash, jb->target_seq))) {
+					jb_debug(jb, 2, "FOUND incremental seq: %u\n", ntohs(jb->target_seq));
+
+					if (node->packet.header.m ||  node->packet.header.ts == jb->highest_read_ts) {
+						jb_debug(jb, 2, "%s", "SAME FRAME DROPPING\n");
+						jb->dropped++;
+						drop_ts(jb, node->packet.header.ts);
+						node = NULL;
+						goto top;
+					}
+					break;
+				} else {
+					jb_debug(jb, 2, "MISSING incremental seq: %u\n", ntohs(jb->target_seq));
+				}
+			}
+		} else {
+			increment_seq(jb);
+		}
+	}
+
+	*nodep = node;
+	
+	if (node) {
+		set_read_seq(jb, node->packet.header.seq);
+		return SWITCH_STATUS_SUCCESS;
+	}
+
+	return SWITCH_STATUS_NOTFOUND;
+	
+}
+
+static inline void free_nodes(switch_jb_t *jb)
+{
+	switch_mutex_lock(jb->list_mutex);
+	jb->node_list = NULL;
+	switch_mutex_unlock(jb->list_mutex);
+}
+
+SWITCH_DECLARE(void) switch_jb_set_session(switch_jb_t *jb, switch_core_session_t *session)
+{
+	jb->session = session;
+	jb->channel = switch_core_session_get_channel(session);
+}
+
+SWITCH_DECLARE(void) switch_jb_set_flag(switch_jb_t *jb, switch_jb_flag_t flag)
+{
+	switch_set_flag(jb, flag);
+}
+
+SWITCH_DECLARE(void) switch_jb_clear_flag(switch_jb_t *jb, switch_jb_flag_t flag)
+{
+	switch_clear_flag(jb, flag);
+}
+
+SWITCH_DECLARE(int) switch_jb_poll(switch_jb_t *jb)
+{
+	return (jb->complete_frames >= jb->frame_len);
+}
+
+SWITCH_DECLARE(int) switch_jb_frame_count(switch_jb_t *jb)
+{
+	return jb->complete_frames;
+}
+
+SWITCH_DECLARE(void) switch_jb_debug_level(switch_jb_t *jb, uint8_t level)
+{
+	jb->debug_level = level;
+}
+
+SWITCH_DECLARE(void) switch_jb_reset(switch_jb_t *jb)
+{
+
+	if (jb->type == SJB_VIDEO) {
+		switch_mutex_lock(jb->mutex);
+		switch_core_inthash_destroy(&jb->missing_seq_hash);
+		switch_core_inthash_init(&jb->missing_seq_hash);
+		switch_mutex_unlock(jb->mutex);
+	}
+
+	jb_debug(jb, 2, "%s", "RESET BUFFER\n");
+
+
+	jb->last_target_seq = 0;
+	jb->target_seq = 0;
+	jb->write_init = 0;
+	jb->highest_wrote_seq = 0;
+	jb->highest_wrote_ts = 0;
+	jb->next_seq = 0;
+	jb->highest_read_ts = 0;
+	jb->highest_read_seq = 0;
+	jb->complete_frames = 0;
+	jb->read_init = 0;
+	jb->next_seq = 0;
+	jb->complete_frames = 0;
+	jb->period_miss_count = 0;
+	jb->consec_miss_count = 0;
+	jb->period_miss_pct = 0;
+	jb->period_good_count = 0;
+	jb->consec_good_count = 0;
+	jb->period_count = 0;
+	
+	switch_mutex_lock(jb->mutex);
+	hide_nodes(jb);
+	switch_mutex_unlock(jb->mutex);
+}
+
+SWITCH_DECLARE(switch_status_t) switch_jb_peek_frame(switch_jb_t *jb, uint16_t seq, int peek, switch_frame_t *frame)
+{
+	uint16_t want_seq = seq + peek;
+	switch_jb_node_t *node;
+
+	if ((node = switch_core_inthash_find(jb->node_hash, want_seq))) {
+		frame->seq = ntohs(node->packet.header.seq);
+		frame->timestamp = ntohl(node->packet.header.ts);
+		frame->m = node->packet.header.m;
+		frame->datalen = node->len;
+		if (frame->data && frame->buflen > node->len) {
+			memcpy(frame->data, node->packet.body, node->len);
+		}
+		return SWITCH_STATUS_SUCCESS;
+	}
+
+	return SWITCH_STATUS_FALSE;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_jb_get_frames(switch_jb_t *jb, uint32_t *min_frame_len, uint32_t *max_frame_len, uint32_t *cur_frame_len, uint32_t *highest_frame_len) 
+{
+
+	switch_mutex_lock(jb->mutex);
+
+	if (min_frame_len) {
+		*min_frame_len = jb->min_frame_len;
+	}
+
+	if (max_frame_len) {
+		*max_frame_len = jb->max_frame_len;
+	}
+
+	if (cur_frame_len) {
+		*cur_frame_len = jb->frame_len;
+	}
+
+	switch_mutex_unlock(jb->mutex);
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_jb_set_frames(switch_jb_t *jb, uint32_t min_frame_len, uint32_t max_frame_len)
+{
+	switch_mutex_lock(jb->mutex);
+	jb->min_frame_len = min_frame_len;
+	jb->max_frame_len = max_frame_len;
+
+	if (jb->frame_len > jb->max_frame_len) {
+		jb->frame_len = jb->max_frame_len;
+	}
+
+	if (jb->frame_len < jb->min_frame_len) {
+		jb->frame_len = jb->min_frame_len;
+	}
+	
+	if (jb->frame_len > jb->highest_frame_len) {
+		jb->highest_frame_len = jb->frame_len;
+	}
+
+	switch_mutex_unlock(jb->mutex);
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_jb_create(switch_jb_t **jbp, switch_jb_type_t type,
+												 uint32_t min_frame_len, uint32_t max_frame_len, switch_memory_pool_t *pool)
+{
+	switch_jb_t *jb;
+	int free_pool = 0;
+
+	if (!pool) {
+		switch_core_new_memory_pool(&pool);
+		free_pool = 1;
+	}
+
+	jb = switch_core_alloc(pool, sizeof(*jb));
+	jb->free_pool = free_pool;
+	jb->min_frame_len = jb->frame_len = min_frame_len;
+	jb->max_frame_len = max_frame_len;
+	jb->pool = pool;
+	jb->type = type;
+	jb->highest_frame_len = jb->frame_len;
+
+	if (jb->type == SJB_VIDEO) {
+		switch_core_inthash_init(&jb->missing_seq_hash);
+	}
+	switch_core_inthash_init(&jb->node_hash);
+	switch_mutex_init(&jb->mutex, SWITCH_MUTEX_NESTED, pool);
+	switch_mutex_init(&jb->list_mutex, SWITCH_MUTEX_NESTED, pool);
+
+	*jbp = jb;
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_jb_destroy(switch_jb_t **jbp)
+{
+	switch_jb_t *jb = *jbp;
+	*jbp = NULL;
+	
+	if (jb->type == SJB_VIDEO) {
+		switch_core_inthash_destroy(&jb->missing_seq_hash);
+	}
+	switch_core_inthash_destroy(&jb->node_hash);
+
+	free_nodes(jb);
+
+	if (jb->free_pool) {
+		switch_core_destroy_memory_pool(&jb->pool);
+	}
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_DECLARE(uint32_t) switch_jb_pop_nack(switch_jb_t *jb)
+{
+	switch_hash_index_t *hi = NULL;
+	uint32_t nack = 0;
+	uint16_t blp = 0;
+	uint16_t least = 0;
+	int i = 0;
+	
+	void *val;
+	const void *var;
+
+	if (jb->type != SJB_VIDEO) {
+		return 0;
+	}
+
+	switch_mutex_lock(jb->mutex);
+
+
+	for (hi = switch_core_hash_first(jb->missing_seq_hash); hi; hi = switch_core_hash_next(&hi)) {
+		uint16_t seq;
+		const char *token;
+
+		switch_core_hash_this(hi, &var, NULL, &val);
+		token = (const char *) val;
+
+		if (token == TOKEN_2) {
+			//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "SKIP %u %s\n", ntohs(*((uint16_t *) var)), token);
+			continue;
+		}
+		seq = ntohs(*((uint16_t *) var));
+
+		if (!least || seq < least) {
+			least = seq;
+		}
+	}
+
+	if (least && switch_core_inthash_delete(jb->missing_seq_hash, (uint32_t)htons(least))) {
+		jb_debug(jb, 3, "Found smallest NACKABLE seq %u\n", least);
+		nack = (uint32_t) htons(least);
+
+		switch_core_inthash_insert(jb->missing_seq_hash, nack, (void *) TOKEN_2);
+
+		for(i = 0; i < 16; i++) {
+			if (switch_core_inthash_delete(jb->missing_seq_hash, (uint32_t)htons(least + i + 1))) {
+				switch_core_inthash_insert(jb->missing_seq_hash, (uint32_t)htons(least + i + 1), (void *) TOKEN_2);
+				jb_debug(jb, 3, "Found addtl NACKABLE seq %u\n", least + i + 1);
+				blp |= (1 << i);
+			}
+		}
+
+		blp = htons(blp);
+		nack |= (uint32_t) blp << 16;
+
+		//jb_frame_inc(jb, 1);
+	}
+	
+	switch_mutex_unlock(jb->mutex);
+
+
+	return nack;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_jb_push_packet(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t len)
+{
+	add_node(jb, packet, len);
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_jb_put_packet(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t len)
+{
+	uint32_t i;
+	uint16_t want = ntohs(jb->next_seq), got = ntohs(packet->header.seq);
+	int missing = 0;
+
+	switch_mutex_lock(jb->mutex);
+
+	if (!want) want = got;
+
+	if (switch_test_flag(jb, SJB_QUEUE_ONLY) || jb->type == SJB_AUDIO) {
+		jb->next_seq = htons(got + 1);
+	} else {
+
+		switch_core_inthash_delete(jb->missing_seq_hash, (uint32_t)htons(got));
+
+		if (!missing || want == got) {
+			if (got > want) {
+				//jb_debug(jb, 2, "GOT %u WANTED %u; MARK SEQS MISSING %u - %u\n", got, want, want, got - 1);
+				//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "XXXXXXXXXXXXXXXXXX   WTF GOT %u WANTED %u; MARK SEQS MISSING %u - %u\n", got, want, want, got - 1);
+				for (i = want; i < got; i++) {
+					//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "MISSING %u\n", i);
+					switch_core_inthash_insert(jb->missing_seq_hash, (uint32_t)htons(i), (void *)TOKEN_1);
+				}
+			
+			}
+
+			if (got >= want || (want - got) > 1000) {
+				jb->next_seq = htons(got + 1);
+			}
+		}
+
+
+	}
+
+	add_node(jb, packet, len);
+	
+	switch_mutex_unlock(jb->mutex);
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_jb_get_packet_by_seq(switch_jb_t *jb, uint16_t seq, switch_rtp_packet_t *packet, switch_size_t *len)
+{
+	switch_jb_node_t *node;
+	switch_status_t status = SWITCH_STATUS_NOTFOUND;
+
+	switch_mutex_lock(jb->mutex);
+	if ((node = switch_core_inthash_find(jb->node_hash, seq))) {
+		jb_debug(jb, 2, "Found buffered seq: %u\n", ntohs(seq));
+		*packet = node->packet;
+		*len = node->len;
+		memcpy(packet->body, node->packet.body, node->len);
+		status = SWITCH_STATUS_SUCCESS;
+	} else {
+		jb_debug(jb, 2, "Missing buffered seq: %u\n", ntohs(seq));
+	}
+	switch_mutex_unlock(jb->mutex);
+
+	return status;
+}
+
+SWITCH_DECLARE(switch_size_t) switch_jb_get_last_read_len(switch_jb_t *jb)
+{
+	return jb->last_len;
+}
+
+
+SWITCH_DECLARE(switch_status_t) switch_jb_get_packet(switch_jb_t *jb, switch_rtp_packet_t *packet, switch_size_t *len)
+{
+	switch_jb_node_t *node = NULL;
+	switch_status_t status;
+	
+	switch_mutex_lock(jb->mutex);
+	jb_debug(jb, 2, "GET PACKET %u/%u n:%d\n", jb->complete_frames , jb->frame_len, jb->visible_nodes);
+
+	if (jb->complete_frames < jb->frame_len) {
+		jb_debug(jb, 2, "BUFFERING %u/%u\n", jb->complete_frames , jb->frame_len);
+		switch_goto_status(SWITCH_STATUS_MORE_DATA, end);
+	}
+
+	if (++jb->period_count >= PERIOD_LEN) {
+
+		if (jb->consec_good_count >= (PERIOD_LEN - 5)) {
+			jb_frame_inc(jb, -1);
+		}
+
+		jb->period_count = 1;
+		jb->period_miss_count = 0;
+		jb->period_good_count = 0;
+		jb->consec_miss_count = 0;
+		jb->consec_good_count = 0;
+	}
+
+	jb->period_miss_pct = ((double)jb->period_miss_count / jb->period_count) * 100;
+
+	if ((status = jb_next_packet(jb, &node)) == SWITCH_STATUS_SUCCESS) {
+		jb_debug(jb, 2, "Found next frame cur ts: %u seq: %u\n", htonl(node->packet.header.ts), htons(node->packet.header.seq));
+
+		if (!jb->read_init || ntohs(node->packet.header.seq) > ntohs(jb->highest_read_seq) || 
+			(ntohs(jb->highest_read_seq) > USHRT_MAX - 10 && ntohs(node->packet.header.seq) <= 10) ) {
+			jb->highest_read_seq = node->packet.header.seq;
+		}
+		
+		if (jb->read_init && htons(node->packet.header.seq) >= htons(jb->highest_read_seq) && (ntohl(node->packet.header.ts) > ntohl(jb->highest_read_ts))) {
+			jb->complete_frames--;
+			jb_debug(jb, 2, "READ frame ts: %u complete=%u/%u n:%u\n", ntohl(node->packet.header.ts), jb->complete_frames , jb->frame_len, jb->visible_nodes);
+			jb->highest_read_ts = node->packet.header.ts;
+		} else if (!jb->read_init) {
+			jb->highest_read_ts = node->packet.header.ts;
+		}
+		
+		if (!jb->read_init) jb->read_init = 1;
+	} else {
+		if (jb->type == SJB_VIDEO) {
+			switch_jb_reset(jb);
+			jb_frame_inc(jb, 1);
+
+			switch(status) {
+			case SWITCH_STATUS_RESTART:
+				jb_debug(jb, 2, "%s", "Error encountered ask for new keyframe\n");
+				switch_goto_status(SWITCH_STATUS_RESTART, end);
+			case SWITCH_STATUS_NOTFOUND:
+			default:
+				jb_debug(jb, 2, "%s", "No frames found wait for more\n");
+				switch_goto_status(SWITCH_STATUS_MORE_DATA, end);
+			}
+		} else {
+			switch(status) {
+			case SWITCH_STATUS_RESTART:
+				jb_debug(jb, 2, "%s", "Error encountered\n");
+				switch_jb_reset(jb);
+				switch_goto_status(SWITCH_STATUS_RESTART, end);
+			case SWITCH_STATUS_NOTFOUND:
+			default:							
+				if (jb->consec_miss_count > jb->frame_len) {
+					switch_jb_reset(jb);
+					jb_debug(jb, 2, "%s", "Too many frames not found, RESIZE\n");
+					jb_frame_inc(jb, 1);
+					switch_goto_status(SWITCH_STATUS_RESTART, end);
+				} else {
+					jb_debug(jb, 2, "%s", "Frame not found suggest PLC\n");
+					switch_goto_status(SWITCH_STATUS_NOTFOUND, end);
+				}
+			}
+		}
+	}
+	
+	if (node) {
+		status = SWITCH_STATUS_SUCCESS;
+		
+		*packet = node->packet;
+		*len = node->len;
+		jb->last_len = *len;
+		memcpy(packet->body, node->packet.body, node->len);
+		hide_node(node, SWITCH_TRUE);
+
+		jb_debug(jb, 1, "GET packet ts:%u seq:%u %s\n", ntohl(packet->header.ts), ntohs(packet->header.seq), packet->header.m ? " <MARK>" : "");
+
+	} else {
+		status = SWITCH_STATUS_MORE_DATA;
+	}
+
+ end:
+
+	switch_mutex_unlock(jb->mutex);
+
+	return status;
+
+}
+
+
+/* For Emacs:
+ * Local Variables:
+ * mode:c
+ * indent-tabs-mode:t
+ * tab-width:4
+ * c-basic-offset:4
+ * End:
+ * For VIM:
+ * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
+ */
diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index d82fa7219b..af7428646d 100644
--- a/src/switch_rtp.c
+++ b/src/switch_rtp.c
@@ -54,7 +54,7 @@
 #include <srtp.h>
 #include <srtp_priv.h>
 #include <switch_ssl.h>
-#include <switch_vidderbuffer.h>
+#include <switch_jitterbuffer.h>
 
 #define JITTER_LEAD_FRAMES 10
 #define READ_INC(rtp_session) switch_mutex_lock(rtp_session->read_mutex); rtp_session->reading++
@@ -310,7 +310,6 @@ struct switch_rtp {
 	uint8_t fir_seq;
 	uint16_t fir_count;
 	uint16_t pli_count;
-	uint32_t cur_nack;
 	uint32_t cur_tmmbr;
 	uint32_t tmmbr;
 	uint32_t tmmbn;
@@ -404,9 +403,9 @@ struct switch_rtp {
 	switch_timer_t timer;
 	uint8_t ready;
 	uint8_t cn;
-	stfu_instance_t *jb;
-	switch_vb_t *vb;
-	switch_vb_t *vbw;
+	switch_jb_t *jb;
+	switch_jb_t *vb;
+	switch_jb_t *vbw;
 	uint32_t max_missed_packets;
 	uint32_t missed_count;
 	rtp_msg_t write_msg;
@@ -625,7 +624,7 @@ static handle_rfc2833_result_t handle_rfc2833(switch_rtp_t *rtp_session, switch_
 				}
 
 				if (rtp_session->jb && (rtp_session->rtp_bugs & RTP_BUG_FLUSH_JB_ON_DTMF)) {
-					stfu_n_reset(rtp_session->jb);
+					switch_jb_reset(rtp_session->jb);
 				}
 				
 			}
@@ -1896,12 +1895,14 @@ static int using_ice(switch_rtp_t *rtp_session)
 	return 0;
 }
 
+#define MAX_NACK 10
 static int check_rtcp_and_ice(switch_rtp_t *rtp_session)
 {
 	int ret = 0;
 	int rtcp_ok = 0, rtcp_fb = 0;
 	switch_time_t now = switch_micro_time_now();
-	int rate = 0;
+	int rate = 0, nack_ttl = 0;
+	uint32_t cur_nack[MAX_NACK - 1];
 
 	if (rtp_session->flags[SWITCH_RTP_FLAG_AUTO_CNG] && rtp_session->send_msg.header.ts && rtp_session->cng_pt != INVALID_PT &&
 		(rtp_session->timer.samplecount - rtp_session->last_write_samplecount >= rtp_session->samples_per_interval * 60)) {
@@ -1922,10 +1923,23 @@ static int check_rtcp_and_ice(switch_rtp_t *rtp_session)
 
 	rate = rtp_session->rtcp_interval;
 
+	if (rtp_session->flags[SWITCH_RTP_FLAG_NACK] && rtp_session->vb) {
+		int n;
+		for (n = 0; n < MAX_NACK; n++) {
+			uint32_t nack = switch_jb_pop_nack(rtp_session->vb);
+
+			if (!nack) break;
+
+			cur_nack[nack_ttl++] = nack;
+		}
+	}
+
+
+
 	if (rtp_session->rtcp_sent_packets < 4) {
 		rate = 4000;
 	} else  {
-		if (rtp_session->pli_count || rtp_session->fir_count || rtp_session->cur_nack || rtp_session->tmmbr || rtp_session->tmmbn) {
+		if (rtp_session->pli_count || rtp_session->fir_count || nack_ttl || rtp_session->tmmbr || rtp_session->tmmbn) {
 			//switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_ERROR, "MARK BW/FIR ETC %d %d\n", rtp_session->pli_count, rtp_session->fir_count);
 			rtcp_ok = 1;
 			rtcp_fb = 1;
@@ -1942,23 +1956,17 @@ static int check_rtcp_and_ice(switch_rtp_t *rtp_session)
 	if (rtcp_ok && using_ice(rtp_session)) {
 		if (rtp_session->flags[SWITCH_RTP_FLAG_RTCP_MUX]) {
 			if (!rtp_session->ice.rready) {
-				//switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_ERROR, "FUCK 1\n");
 				rtcp_ok = 0;
 			}
 		} else {
 			if (!rtp_session->rtcp_ice.rready) {
-				//switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_ERROR, "FUCK 2\n");
 				rtcp_ok = 0;
 			}
 		}
 	}
 
-	//switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_ERROR, "WTF %d %d %d\n", rate, rtp_session->rtcp_sent_packets, rtcp_ok);
+	//switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_ERROR, "WTF %d %d %d %d\n", rate, rtp_session->rtcp_sent_packets, rtcp_ok, nack_ttl);
 	
-	if (rtp_session->flags[SWITCH_RTP_FLAG_NACK] && rtp_session->vb) {
-		rtp_session->cur_nack = switch_vb_pop_nack(rtp_session->vb);
-	}
-
 	if (rtp_session->rtcp_sock_output && rtp_session->flags[SWITCH_RTP_FLAG_ENABLE_RTCP] && !rtp_session->flags[SWITCH_RTP_FLAG_RTCP_PASSTHRU] && rtcp_ok) {
 		switch_rtcp_numbers_t * stats = &rtp_session->stats.rtcp;
 		struct switch_rtcp_receiver_report *rr;
@@ -2032,29 +2040,34 @@ static int check_rtcp_and_ice(switch_rtp_t *rtp_session)
 				rtp_session->pli_count = 0;
 			}
 
-			if (rtp_session->flags[SWITCH_RTP_FLAG_NACK] && rtp_session->cur_nack) {
-				switch_rtcp_ext_hdr_t *ext_hdr;
-				uint32_t *nack;
-				p = (uint8_t *) (&rtp_session->rtcp_send_msg) + rtcp_bytes;
-				ext_hdr = (switch_rtcp_ext_hdr_t *) p;
-			
-				ext_hdr->version = 2;
-				ext_hdr->p = 0;
-				ext_hdr->fmt = _RTCP_RTPFB_NACK;
-				ext_hdr->pt = _RTCP_PT_RTPFB;
-				ext_hdr->send_ssrc = htonl(rtp_session->ssrc);
-				ext_hdr->recv_ssrc = htonl(rtp_session->remote_ssrc);
-				ext_hdr->length = htons(3);
-				p += sizeof(switch_rtcp_ext_hdr_t);
-				nack = (uint32_t *) p;
-				*nack = rtp_session->cur_nack;
+			if (rtp_session->flags[SWITCH_RTP_FLAG_NACK] && nack_ttl > 0) {
+				int n = 0;
 
-				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG1, "Sending RTCP NACK %u\n", 
-								  ntohs(*nack & 0xFFFF));
+				for (n = 0; n < nack_ttl; n++) {
+					switch_rtcp_ext_hdr_t *ext_hdr;
+					uint32_t *nack;
+					p = (uint8_t *) (&rtp_session->rtcp_send_msg) + rtcp_bytes;
+					ext_hdr = (switch_rtcp_ext_hdr_t *) p;
+					
+					ext_hdr->version = 2;
+					ext_hdr->p = 0;
+					ext_hdr->fmt = _RTCP_RTPFB_NACK;
+					ext_hdr->pt = _RTCP_PT_RTPFB;
+					ext_hdr->send_ssrc = htonl(rtp_session->ssrc);
+					ext_hdr->recv_ssrc = htonl(rtp_session->remote_ssrc);
+					ext_hdr->length = htons(3);
+					p += sizeof(switch_rtcp_ext_hdr_t);
+					nack = (uint32_t *) p;
+					*nack = cur_nack[n];
+
+					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG1, "Sending RTCP NACK %u\n", 
+									  ntohs(*nack & 0xFFFF));
 				
-				rtcp_bytes += sizeof(switch_rtcp_ext_hdr_t) + sizeof(rtp_session->cur_nack);
+					rtcp_bytes += sizeof(switch_rtcp_ext_hdr_t) + sizeof(cur_nack[n]);
+				}
 
-				rtp_session->cur_nack = 0;
+				cur_nack[n] = 0;
+				nack_ttl = 0;
 			}
 			
 			if (rtp_session->fir_count) {
@@ -2711,10 +2724,10 @@ SWITCH_DECLARE(void) switch_rtp_reset(switch_rtp_t *rtp_session)
 	
 	if (rtp_session->ice.ready) {
 		if (rtp_session->vb) {
-			switch_vb_reset(rtp_session->vb);
+			switch_jb_reset(rtp_session->vb);
 		}
 		if (rtp_session->vbw) {
-			switch_vb_reset(rtp_session->vbw);
+			switch_jb_reset(rtp_session->vbw);
 		}
 		rtp_session->ice.ready = rtp_session->ice.rready = 0;
 	}
@@ -3149,15 +3162,15 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_del_dtls(switch_rtp_t *rtp_session, d
 		}
 		
 		if (rtp_session->jb) {
-			stfu_n_reset(rtp_session->jb);
+			switch_jb_reset(rtp_session->jb);
 		}
 
 		if (rtp_session->vb) {
-			switch_vb_reset(rtp_session->vb);
+			switch_jb_reset(rtp_session->vb);
 		}
 
 		if (rtp_session->vbw) {
-			switch_vb_reset(rtp_session->vbw);
+			switch_jb_reset(rtp_session->vbw);
 		}
 
 	}
@@ -3719,8 +3732,8 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_create(switch_rtp_t **new_rtp_session
 				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG, "Starting video timer.\n");
 			}
 
-			//switch_vb_create(&rtp_session->vb, 3, 10, rtp_session->pool);
-			//switch_vb_debug_level(rtp_session->vb, 10);
+			//switch_jb_create(&rtp_session->vb, 3, 10, rtp_session->pool);
+			//switch_jb_debug_level(rtp_session->vb, 10);
 
 		} else {
 			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG, "Not using a timer\n");
@@ -3910,27 +3923,6 @@ SWITCH_DECLARE(void) switch_rtp_set_cng_pt(switch_rtp_t *rtp_session, switch_pay
 	rtp_session->flags[SWITCH_RTP_FLAG_AUTO_CNG] = 1;
 }
 
-static void jb_callback(stfu_instance_t *i, void *udata)
-{
-	switch_core_session_t *session = (switch_core_session_t *) udata;
-	stfu_report_t r = { 0 };
-
-	stfu_n_report(i, &r);
-
-	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_DEBUG8, 
-					  "%s JB REPORT:\nlen: %u\nin: %u\nclean: %u\ngood: %u\nbad: %u\njitter percent %0.2f\nmissing percent %0.2f\n\n",
-					  switch_core_session_get_name(session),
-					  r.qlen,
-					  r.packet_in_count,
-					  r.clean_count,
-					  r.consecutive_good_count,
-					  r.consecutive_bad_count,
-					  r.period_jitter_percent,
-					  r.period_missing_percent
-					  );
-
-}
-
 SWITCH_DECLARE(switch_timer_t *) switch_rtp_get_media_timer(switch_rtp_t *rtp_session)
 {
 
@@ -3945,7 +3937,7 @@ SWITCH_DECLARE(switch_timer_t *) switch_rtp_get_media_timer(switch_rtp_t *rtp_se
 }
 
 
-SWITCH_DECLARE(stfu_instance_t *) switch_rtp_get_jitter_buffer(switch_rtp_t *rtp_session)
+SWITCH_DECLARE(switch_jb_t *) switch_rtp_get_jitter_buffer(switch_rtp_t *rtp_session)
 {
 	if (!switch_rtp_ready(rtp_session) || !rtp_session->jb) {
 		return NULL;
@@ -3966,7 +3958,7 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_pause_jitter_buffer(switch_rtp_t *rtp
 	}
 
 	if (rtp_session->pause_jb && !pause) {
-		stfu_n_reset(rtp_session->jb);
+		switch_jb_reset(rtp_session->jb);
 	}
 
 	rtp_session->pause_jb = pause ? 1 : 0;
@@ -3986,48 +3978,35 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_deactivate_jitter_buffer(switch_rtp_t
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static void jb_logger(const char *file, const char *func, int line, int level, const char *fmt, ...)
+SWITCH_DECLARE(switch_status_t) switch_rtp_get_video_buffer_size(switch_rtp_t *rtp_session, uint32_t *min_frame_len, uint32_t *max_frame_len, uint32_t *cur_frame_len, uint32_t *highest_frame_len)
 {
-	int ret;
-	char *data;
-	va_list ap;
-
-	va_start(ap, fmt);
-	ret = switch_vasprintf(&data, fmt, ap);
-	if (ret != -1) {
-		switch_log_printf(SWITCH_CHANNEL_ID_LOG_CLEAN, file, func, line, NULL, SWITCH_LOG_CONSOLE, "%d: %s", line, data);
-		free(data);
-	}
-
-	//switch_log_printf(SWITCH_CHANNEL_ID_LOG_CLEAN, file, func, line, NULL, level, fmt, ap);
-	va_end(ap);
-}
-
-SWITCH_DECLARE(uint32_t) switch_rtp_get_video_buffer_size(switch_rtp_t *rtp_session)
-{
-	uint32_t frames = 0;
-
+	
 	if (rtp_session->vb) {
-		switch_vb_get_frames(rtp_session->vb, &frames, NULL);
+		return switch_jb_get_frames(rtp_session->vb, min_frame_len, max_frame_len, cur_frame_len, highest_frame_len);
 	}
 
-	return frames;
+	return SWITCH_STATUS_FALSE;
 }
 
-SWITCH_DECLARE(switch_status_t) switch_rtp_set_video_buffer_size(switch_rtp_t *rtp_session, uint32_t frames)
+SWITCH_DECLARE(switch_status_t) switch_rtp_set_video_buffer_size(switch_rtp_t *rtp_session, uint32_t frames, uint32_t max_frames)
 {
 	if (!switch_rtp_ready(rtp_session)) {
 		return SWITCH_STATUS_FALSE;
 	}
 
-	if (!rtp_session->vb) {  
-		switch_vb_create(&rtp_session->vb, frames, frames * 3, rtp_session->pool);
+	if (!max_frames) {
+		max_frames = frames * 2;
+	}
+
+	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);
 	} else {
-		switch_vb_set_frames(rtp_session->vb, frames, frames * 3);
+		switch_jb_set_frames(rtp_session->vb, frames, max_frames);
 	}
 
 	//switch_rtp_flush(rtp_session);
-	//switch_core_session_request_video_refresh(rtp_session->session);
+	switch_core_session_request_video_refresh(rtp_session->session);
 
 	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG, "Setting video buffer %u Frames.\n", frames);
 	
@@ -4036,22 +4015,19 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_set_video_buffer_size(switch_rtp_t *r
 
 SWITCH_DECLARE(switch_status_t) switch_rtp_debug_jitter_buffer(switch_rtp_t *rtp_session, const char *name)
 {
+	int x = 0;
 
 	if (!switch_rtp_ready(rtp_session)) {
 		return SWITCH_STATUS_FALSE;
 	}
+
+	if (name) x = atoi(name);
+	if (x < 0) x = 0;
 	
 	if (rtp_session->jb) {
-		stfu_n_debug(rtp_session->jb, name);
-		stfu_global_set_logger(jb_logger);
+		switch_jb_debug_level(rtp_session->jb, x);
 	} else if (rtp_session->vb) {
-		int x = 0;
-
-		if (name) x = atoi(name);
-		if (x < 0) x = 0;
-
-		switch_vb_debug_level(rtp_session->vb, x);
-
+		switch_jb_debug_level(rtp_session->vb, x);
 	}
 
 	return SWITCH_STATUS_SUCCESS;
@@ -4061,9 +4037,9 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_activate_jitter_buffer(switch_rtp_t *
 																  uint32_t queue_frames, 
 																  uint32_t max_queue_frames, 
 																  uint32_t samples_per_packet, 
-																  uint32_t samples_per_second,
-																  uint32_t max_drift)
+																  uint32_t samples_per_second)
 {
+	switch_status_t status = SWITCH_STATUS_FALSE;
 
 	if (!switch_rtp_ready(rtp_session)) {
 		return SWITCH_STATUS_FALSE;
@@ -4080,21 +4056,15 @@ SWITCH_DECLARE(switch_status_t) switch_rtp_activate_jitter_buffer(switch_rtp_t *
 	READ_INC(rtp_session);
 
 	if (rtp_session->jb) {
-		stfu_n_destroy(&rtp_session->jb);
+		status = switch_jb_set_frames(rtp_session->jb, queue_frames, max_queue_frames);
+	} else {
+		status = switch_jb_create(&rtp_session->jb, SJB_AUDIO, queue_frames, max_queue_frames, rtp_session->pool);
+		switch_jb_set_session(rtp_session->jb, rtp_session->session);
 	}
 
-	rtp_session->jb = stfu_n_init(queue_frames, max_queue_frames, samples_per_packet, samples_per_second, max_drift);
-
 	READ_DEC(rtp_session);
 	
-	if (rtp_session->jb) {
-		
-		stfu_n_call_me(rtp_session->jb, jb_callback, rtp_session->session);
-
-		return SWITCH_STATUS_SUCCESS;
-	}
-
-	return SWITCH_STATUS_FALSE;
+	return status;
 }
 
 SWITCH_DECLARE(switch_status_t) switch_rtp_activate_rtcp(switch_rtp_t *rtp_session, int send_rate, switch_port_t remote_port, switch_bool_t mux)
@@ -4416,15 +4386,15 @@ SWITCH_DECLARE(void) switch_rtp_destroy(switch_rtp_t **rtp_session)
 	}
 
 	if ((*rtp_session)->jb) {
-		stfu_n_destroy(&(*rtp_session)->jb);
+		switch_jb_destroy(&(*rtp_session)->jb);
 	}
 
 	if ((*rtp_session)->vb) {
-		switch_vb_destroy(&(*rtp_session)->vb);
+		switch_jb_destroy(&(*rtp_session)->vb);
 	}
 
 	if ((*rtp_session)->vbw) {
-		switch_vb_destroy(&(*rtp_session)->vbw);
+		switch_jb_destroy(&(*rtp_session)->vbw);
 	}
 
 	if ((*rtp_session)->dtls && (*rtp_session)->dtls == (*rtp_session)->rtcp_dtls) {
@@ -4624,7 +4594,7 @@ SWITCH_DECLARE(void) switch_rtp_set_flag(switch_rtp_t *rtp_session, switch_rtp_f
 
 
 		if (rtp_session->jb) {
-			stfu_n_reset(rtp_session->jb);
+			switch_jb_reset(rtp_session->jb);
 		}
 	} else if (flag == SWITCH_RTP_FLAG_NOBLOCK && rtp_session->sock_input) {
 		switch_socket_opt_set(rtp_session->sock_input, SWITCH_SO_NONBLOCK, TRUE);
@@ -4899,15 +4869,15 @@ static void do_flush(switch_rtp_t *rtp_session, int force)
 	if (switch_rtp_ready(rtp_session) ) {
 
 		if (rtp_session->jb && !rtp_session->pause_jb && jb_valid(rtp_session)) {
-			stfu_n_reset(rtp_session->jb);
+			switch_jb_reset(rtp_session->jb);
 		}
 
 		//if (rtp_session->vb) {
-		//	switch_vb_reset(rtp_session->vb);
+		//	switch_jb_reset(rtp_session->vb);
 		//}
 
 		if (rtp_session->vbw) {
-			switch_vb_reset(rtp_session->vbw);
+			switch_jb_reset(rtp_session->vbw);
 		}
 		
 		if (rtp_session->flags[SWITCH_RTP_FLAG_DEBUG_RTP_READ]) {
@@ -4950,13 +4920,6 @@ static void do_flush(switch_rtp_t *rtp_session, int force)
 			}
 		} while (bytes > 0);
 
-#if 0
-		if (rtp_session->jb && flushed) {
-			stfu_n_sync(rtp_session->jb, flushed);
-			reset_jitter_seq(rtp_session);
-		}
-#endif
-
 		if (was_blocking && switch_rtp_ready(rtp_session)) {
 			switch_rtp_clear_flag(rtp_session, SWITCH_RTP_FLAG_NOBLOCK);
 			switch_socket_opt_set(rtp_session->sock_input, SWITCH_SO_NONBLOCK, FALSE);
@@ -5004,7 +4967,6 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
 									   switch_status_t poll_status, switch_bool_t return_jb_packet)
 {
 	switch_status_t status = SWITCH_STATUS_FALSE;
-	stfu_frame_t *jb_frame;
 	uint32_t ts = 0;
 	unsigned char *b = NULL;
 	int sync = 0;
@@ -5432,25 +5394,25 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
 	if (rtp_session->flags[SWITCH_RTP_FLAG_KILL_JB]) {
 		rtp_session->flags[SWITCH_RTP_FLAG_KILL_JB] = 0;
 		if (rtp_session->jb) {
-			stfu_n_destroy(&rtp_session->jb);
+			switch_jb_destroy(&rtp_session->jb);
 		}
 	}
 
 	if (rtp_session->recv_msg.header.version == 2 && *bytes) {
 
-		if (rtp_session->vb) {
-			switch_vb_put_packet(rtp_session->vb, (switch_rtp_packet_t *) &rtp_session->recv_msg, *bytes);			
+		if (rtp_session->vb && jb_valid(rtp_session)) {
+			switch_jb_put_packet(rtp_session->vb, (switch_rtp_packet_t *) &rtp_session->recv_msg, *bytes);			
 			status = SWITCH_STATUS_FALSE;
 			*bytes = 0;
 		}
 
-		if (rtp_session->jb && !rtp_session->pause_jb && jb_valid(rtp_session)) {
+		if (rtp_session->jb && jb_valid(rtp_session)) {
 			uint32_t read_ssrc = ntohl(rtp_session->last_rtp_hdr.ssrc);
 			if (rtp_session->recv_msg.header.m && rtp_session->recv_msg.header.pt != rtp_session->recv_te && 
 				!rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] && !(rtp_session->rtp_bugs & RTP_BUG_IGNORE_MARK_BIT)) {
-				stfu_n_reset(rtp_session->jb);
+				switch_jb_reset(rtp_session->jb);
 			} else if (rtp_session->last_jb_read_ssrc && rtp_session->last_jb_read_ssrc != read_ssrc) {
-				stfu_n_reset(rtp_session->jb);
+				switch_jb_reset(rtp_session->jb);
 			}
 			rtp_session->last_jb_read_ssrc = read_ssrc;
 
@@ -5459,13 +5421,7 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
 				reset_jitter_seq(rtp_session);
 			}
 
-			if (stfu_n_eat(rtp_session->jb, rtp_session->last_read_ts, 
-						   ntohs((uint16_t) rtp_session->recv_msg.header.seq),
-						   rtp_session->recv_msg.header.pt,
-						   RTP_BODY(rtp_session), *bytes - rtp_header_len, rtp_session->timer.samplecount) == STFU_ITS_TOO_LATE) {
-			
-				goto more;
-			}
+			switch_jb_put_packet(rtp_session->jb, (switch_rtp_packet_t *) &rtp_session->recv_msg, *bytes);
 
 			status = SWITCH_STATUS_FALSE;
 			*bytes = 0;
@@ -5473,41 +5429,33 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
 			if (!return_jb_packet) {
 				return status;
 			}
-
 		}
 	}
 
 	if (!*bytes || rtp_session->recv_msg.header.version == 2) {
-
+		
 		if (rtp_session->jb && !rtp_session->pause_jb && jb_valid(rtp_session)) {
-			if ((jb_frame = stfu_n_read_a_frame(rtp_session->jb))) {
-				memcpy(RTP_BODY(rtp_session), jb_frame->data, jb_frame->dlen);
+			switch_status_t jstatus = switch_jb_get_packet(rtp_session->jb, (switch_rtp_packet_t *) &rtp_session->recv_msg, bytes);
 
-				if (jb_frame->plc) {
-					(*flags) |= SFF_PLC;
-				} else {
-					rtp_session->stats.inbound.jb_packet_count++;
-				}
-				*bytes = jb_frame->dlen + rtp_header_len;
-				rtp_session->recv_msg.header.version = 2;
-				rtp_session->recv_msg.header.x = 0;
-				rtp_session->recv_msg.header.ts = htonl(jb_frame->ts);
-				rtp_session->recv_msg.header.pt = jb_frame->pt;
-				rtp_session->recv_msg.header.seq = htons(jb_frame->seq);
-				rtp_session->recv_msg.header.ssrc = ntohl(rtp_session->remote_ssrc);
-				rtp_session->last_rtp_hdr = rtp_session->recv_msg.header;
+			if (jstatus == SWITCH_STATUS_NOTFOUND) {
+				(*flags) |= SFF_PLC;
 				status = SWITCH_STATUS_SUCCESS;
+				rtp_session->recv_msg.header = rtp_session->last_rtp_hdr;
+				*bytes = switch_jb_get_last_read_len(rtp_session->jb);
+			} else if (jstatus == SWITCH_STATUS_SUCCESS) {
+				rtp_session->stats.inbound.jb_packet_count++;
+				status = SWITCH_STATUS_SUCCESS;
+				rtp_session->last_rtp_hdr = rtp_session->recv_msg.header;
 
 				if (!xcheck_jitter) {
 					check_jitter(rtp_session);
 					xcheck_jitter = *bytes;
 				}
-
 			}
 		}
 
-		if (rtp_session->vb) {
-			switch_status_t vstatus = switch_vb_get_packet(rtp_session->vb, (switch_rtp_packet_t *) &rtp_session->recv_msg, bytes);
+		if (rtp_session->vb && jb_valid(rtp_session)) {
+			switch_status_t vstatus = switch_jb_get_packet(rtp_session->vb, (switch_rtp_packet_t *) &rtp_session->recv_msg, bytes);
 			status = vstatus;
 
 			switch(vstatus) {
@@ -5561,7 +5509,7 @@ static void handle_nack(switch_rtp_t *rtp_session, uint32_t nack)
 
 	switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG1, "Got NACK [%u][0x%x] for seq %u\n", nack, nack, ntohs(seq));
 	
-	if (switch_vb_get_packet_by_seq(rtp_session->vbw, seq, (switch_rtp_packet_t *) send_msg, &bytes) == SWITCH_STATUS_SUCCESS) {
+	if (switch_jb_get_packet_by_seq(rtp_session->vbw, seq, (switch_rtp_packet_t *) send_msg, &bytes) == SWITCH_STATUS_SUCCESS) {
 
 		if (rtp_session->flags[SWITCH_RTP_FLAG_DEBUG_RTP_WRITE]) {
 			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG_CLEAN(rtp_session->session), SWITCH_LOG_CONSOLE,
@@ -5586,7 +5534,7 @@ static void handle_nack(switch_rtp_t *rtp_session, uint32_t nack)
 			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(rtp_session->session), SWITCH_LOG_DEBUG1, "Also Got NACK for seq %u\n", ntohs(seq) + i + 1);
 			/* If they are missing more than one, may as well gen a key frame for good measure */
 			switch_core_media_gen_key_frame(rtp_session->session);
-			if (switch_vb_get_packet_by_seq(rtp_session->vbw, htons(ntohs(seq) + i + 1), (switch_rtp_packet_t *) &send_msg, &bytes) == SWITCH_STATUS_SUCCESS) {
+			if (switch_jb_get_packet_by_seq(rtp_session->vbw, htons(ntohs(seq) + i + 1), (switch_rtp_packet_t *) &send_msg, &bytes) == SWITCH_STATUS_SUCCESS) {
 				if (rtp_session->flags[SWITCH_RTP_FLAG_DEBUG_RTP_WRITE]) {
 					switch_log_printf(SWITCH_CHANNEL_SESSION_LOG_CLEAN(rtp_session->session), SWITCH_LOG_CONSOLE,
 									  "X %s b=%4ld %s:%u %s:%u %s:%u pt=%d ts=%u seq=%u m=%d\n",
@@ -5625,7 +5573,7 @@ static switch_status_t process_rtcp_report(switch_rtp_t *rtp_session, rtcp_msg_t
 		if (msg->header.type == _RTCP_PT_PSFB && (extp->header.fmt == _RTCP_PSFB_FIR || extp->header.fmt == _RTCP_PSFB_PLI)) {
 			switch_core_media_gen_key_frame(rtp_session->session);
 			if (rtp_session->vbw) {
-				switch_vb_reset(rtp_session->vbw);
+				switch_jb_reset(rtp_session->vbw);
 			}
 		}
 
@@ -5709,7 +5657,7 @@ static switch_status_t process_rtcp_report(switch_rtp_t *rtp_session, rtcp_msg_t
 					}
 
 					if (!rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] && rtp_session->rtcp_frame.reports[i].loss_avg != old_avg) {
-						switch_core_media_codec_control(rtp_session->session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_IO_WRITE, SCC_AUDIO_PACKET_LOSS, SCCT_INT, (void *)&rtp_session->rtcp_frame.reports[i].loss_avg, NULL, NULL);
+						switch_core_media_codec_control(rtp_session->session, SWITCH_MEDIA_TYPE_AUDIO, SWITCH_IO_WRITE, SCC_AUDIO_PACKET_LOSS, SCCT_INT, (void *)&rtp_session->rtcp_frame.reports[i].loss_avg, SCCT_NONE, NULL, NULL, NULL);
 					}
 
 					rtp_session->rtcp_frame.reports[i].ssrc = ntohl(report->ssrc);
@@ -6099,7 +6047,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
 			}
 
 			if (rtp_session->vb) {
-				if (switch_vb_poll(rtp_session->vb)) {
+				if (switch_jb_poll(rtp_session->vb)) {
 					pt = 0;
 				}
 			}
@@ -6125,7 +6073,7 @@ static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_
 		}
 		
 			
-		if (poll_status == SWITCH_STATUS_SUCCESS || (rtp_session->vb && switch_vb_poll(rtp_session->vb))) {
+		if (poll_status == SWITCH_STATUS_SUCCESS || (rtp_session->vb && switch_jb_poll(rtp_session->vb))) {
 
 			got_rtp_poll = 1;
 
@@ -7330,10 +7278,10 @@ static int rtp_common_write(switch_rtp_t *rtp_session,
 		
 		if (rtp_session->flags[SWITCH_RTP_FLAG_NACK]) {
 			if (!rtp_session->vbw) {
-				switch_vb_create(&rtp_session->vbw, 10, 10, rtp_session->pool);
-				//switch_vb_debug_level(rtp_session->vbw, 10);
+				switch_jb_create(&rtp_session->vbw, SJB_VIDEO, 10, 10, rtp_session->pool);
+				//switch_jb_debug_level(rtp_session->vbw, 10);
 			}
-			switch_vb_push_packet(rtp_session->vbw, (switch_rtp_packet_t *)send_msg, bytes);
+			switch_jb_push_packet(rtp_session->vbw, (switch_rtp_packet_t *)send_msg, bytes);
 		}
 
 #ifdef RTP_WRITE_PLOSS
@@ -7690,7 +7638,7 @@ SWITCH_DECLARE(switch_rtp_stats_t *) switch_rtp_get_stats(switch_rtp_t *rtp_sess
 	}
 
 	if (rtp_session->jb) {
-		s->inbound.largest_jb_size = stfu_n_get_most_qlen(rtp_session->jb);
+		switch_jb_get_frames(rtp_session->jb, NULL, NULL, NULL, (uint32_t *)&s->inbound.largest_jb_size);
 	}
 
 	do_mos(rtp_session, SWITCH_FALSE);
diff --git a/src/switch_stfu.c b/src/switch_stfu.c
deleted file mode 100644
index 13df191ca0..0000000000
--- a/src/switch_stfu.c
+++ /dev/null
@@ -1,1173 +0,0 @@
-/*
- * STFU (S)ort (T)ransportable (F)ramed (U)tterances
- * Copyright (c) 2007-2014 Anthony Minessale II <anthm@freeswitch.org>
- *
- * Permission is hereby granted, free of charge, to any person
- * obtaining a copy of this software and associated documentation
- * files (the "Software"), to deal in the Software without
- * restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following
- * conditions:
- *
- * The above copyright notice and this permission notice shall be
- * included in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
- * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
- * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * THOSE WHO DISAGREE MAY CERTAINLY STFU
- */
-
-#include "switch.h"
-#include "switch_stfu.h"
-
-//#define DB_JB 1
-
-#define DBG_IN 1
-#define DBG_OUT 2
-
-#ifndef UINT_MAX
-#  define UINT_MAX        4294967295U
-#endif
-
-#ifndef UINT16_MAX
-#  define UINT16_MAX        65535
-#endif
-
-#ifdef _MSC_VER
-/* warning C4706: assignment within conditional expression*/
-#pragma warning(disable: 4706)
-/* warning C4996: 'strdup': The POSIX name for this item is deprecated. Instead, use the ISO C++ conformant name: _strdup. See online help for details. */
-#pragma warning(disable:4996)
-#endif
-
-#define least1(_z) (_z ? _z : 1)
-
-#define PERIOD_SECONDS 20
-#define PERIOD_JITTER_TOLERANCE 5.0f 
-
-static int stfu_log_level = 7;
-
-struct stfu_queue {
-	struct stfu_frame *array;
-	struct stfu_frame int_frame;
-	uint32_t real_array_size;
-	uint32_t array_size;
-	uint32_t array_len;	
-	uint32_t wr_len;
-    uint32_t last_index;
-    int32_t last_jitter;
-};
-typedef struct stfu_queue stfu_queue_t;
-
-struct stfu_instance {
-	struct stfu_queue a_queue;
-	struct stfu_queue b_queue;
-	struct stfu_queue c_queue;
-	struct stfu_queue *in_queue;
-	struct stfu_queue *out_queue;
-	struct stfu_queue *old_queue;
-    struct stfu_frame *last_frame;
-	uint32_t cur_ts;
-	uint16_t cur_seq;
-	uint32_t last_wr_ts;
-	uint32_t last_rd_ts;
-	uint32_t ms_per_packet;
-	uint32_t samples_per_packet;
-	uint32_t samples_per_second;
-	uint32_t miss_count;
-    uint32_t qlen;
-    uint32_t most_qlen;
-    uint32_t max_qlen;
-    uint32_t orig_qlen;
-    uint32_t packet_count;
-    uint32_t consecutive_good_count;
-    uint32_t consecutive_bad_count;
-    uint32_t period_good_count;
-    uint32_t period_bad_count;
-    uint32_t period_packet_in_count;
-    uint32_t period_packet_out_count;
-    uint32_t period_missing_count;
-
-    uint32_t period_need_range;
-    uint32_t period_need_range_avg;
-    uint32_t period_clean_count;
-    uint32_t period_jitter_count;
-    double period_jitter_percent;
-    double period_missing_percent;
-    uint32_t period_jitter_size_time;
-    uint32_t period_jitter_size_ts;
-    uint32_t period_jitter_size;
-
-    uint32_t session_clean_count;
-    uint32_t session_missing_count;
-
-    uint32_t session_packet_in_count;
-    uint32_t session_packet_out_count;
-
-    uint32_t sync_out;
-    uint32_t sync_in;
-
-    int32_t ts_offset;
-    int32_t ts_drift;
-    int32_t max_drift;
-    uint32_t drift_dropped_packets;
-    uint32_t drift_max_dropped;
-    uint32_t consecutive_drift;
-
-    int32_t ts_diff;
-    int32_t last_ts_diff;
-    int32_t same_ts;
-    
-    uint32_t last_ts_skew;
-    uint32_t last_time_skew;
-
-    uint32_t period_time;
-    
-    uint32_t plc_len;
-    uint32_t plc_pt;
-    uint32_t diff;
-    uint32_t diff_total;
-    uint8_t ready;
-    uint8_t debug;
-
-    switch_time_t last_clock_ts;
-    
-    char *name;
-    stfu_n_call_me_t callback;
-    void *udata;
-};
-
-static void stfu_n_reset_counters(stfu_instance_t *i);
-static void null_logger(const char *file, const char *func, int line, int level, const char *fmt, ...);
-static void default_logger(const char *file, const char *func, int line, int level, const char *fmt, ...);
-
-stfu_logger_t stfu_log = null_logger;
-
-int32_t stfu_n_get_drift(stfu_instance_t *i)
-{
-    return i->ts_drift;
-}
-
-int32_t stfu_n_get_most_qlen(stfu_instance_t *i)
-{
-    return i->most_qlen;
-}
-
-void stfu_global_set_logger(stfu_logger_t logger)
-{
-	if (logger) {
-		stfu_log = logger;
-	} else {
-		stfu_log = null_logger;
-	}
-}
-
-void stfu_global_set_default_logger(int level)
-{
-	if (level < 0 || level > 7) {
-		level = 7;
-	}
-
-	stfu_log = default_logger;
-	stfu_log_level = level;
-}
-
-
-
-static stfu_status_t stfu_n_resize_aqueue(stfu_queue_t *queue, uint32_t qlen)
-{
-    struct stfu_frame *m;
-
-    if (qlen <= queue->real_array_size) {
-        queue->array_size = qlen;
-        if (queue->array_len > qlen) {
-            queue->array_len = qlen;
-        }
-    } else {
-        m = realloc(queue->array, qlen * sizeof(struct stfu_frame));
-        assert(m);
-        memset(m + queue->array_size, 0, (qlen - queue->array_size) * sizeof(struct stfu_frame));
-        queue->array = m;
-        queue->real_array_size = queue->array_size = qlen;
-    }
-
-	return STFU_IT_WORKED;
-}
-
-static void stfu_n_init_aqueue(stfu_queue_t *queue, uint32_t qlen)
-{
-
-	queue->array = calloc(qlen, sizeof(struct stfu_frame));
-	assert(queue->array != NULL);
-	memset(queue->array, 0, sizeof(struct stfu_frame) * qlen);	
-	queue->real_array_size = queue->array_size = qlen;
-	queue->int_frame.plc = 1;
-    memset(queue->int_frame.data, 255, sizeof(queue->int_frame.data));
-}
-
-
-void stfu_n_call_me(stfu_instance_t *i, stfu_n_call_me_t callback, void *udata)
-{
-    i->callback = callback;
-    i->udata = udata;
-}
-
-void stfu_n_destroy(stfu_instance_t **i)
-{
-	stfu_instance_t *ii;
-
-	if (i && *i) {
-		ii = *i;
-		*i = NULL;
-        if (ii->name) free(ii->name);
-		free(ii->a_queue.array);
-		free(ii->b_queue.array);
-		free(ii->c_queue.array);
-		free(ii);
-	}
-}
-
-void stfu_n_debug(stfu_instance_t *i, const char *name)
-{
-    if (i->name) free(i->name);
-
-    if (name) {
-        int debug = 0;
-
-        if (strstr(name, ":out")) {
-            debug |= DBG_OUT;
-        }
-
-        if (strstr(name, ":in")) {
-            debug |= DBG_IN;
-        }
-
-        if (debug) i->debug = (uint8_t)debug;
-        else i->debug = 3;
-
-        i->name = strdup(name);
-    } else {
-        i->name = strdup("none");
-        i->debug = 0;
-    }
-}
-
-void stfu_n_report(stfu_instance_t *i, stfu_report_t *r)
-{
-    stfu_assert(i);
-	r->qlen = i->qlen;
-	r->packet_in_count = i->period_packet_in_count;
-	r->clean_count = i->period_clean_count;
-	r->consecutive_good_count = i->consecutive_good_count;
-	r->consecutive_bad_count = i->consecutive_bad_count;
-    r->period_jitter_percent = i->period_jitter_percent;
-    r->period_missing_percent = i->period_missing_percent;
-}
-
-stfu_status_t stfu_n_auto_size(stfu_instance_t *i, int check_down)
-{
-    stfu_status_t r = STFU_IT_FAILED;
-    uint32_t len;
-
-    if (!i->ms_per_packet) {
-        return r;
-    }
-
-    len = i->period_jitter_size / i->ms_per_packet;
-
-    if (len > i->qlen || (check_down && len < i->qlen)) {
-        if (check_down) {
-            len = i->qlen - 1;
-        }
-        r = stfu_n_resize(i, len);
-    }
-
-    return r;
-}
-
-stfu_status_t _stfu_n_resize(stfu_instance_t *i, uint32_t qlen, int line) 
-{
-    stfu_status_t s;
-    int diff;
-
-    if (qlen == i->qlen) {
-        return STFU_IT_FAILED;
-    }
-
-    if (qlen < i->orig_qlen) {
-        qlen = i->orig_qlen;
-    } else if (i->max_qlen && qlen >= (int32_t)i->max_qlen) {
-        if (i->qlen < i->max_qlen) {
-            qlen = i->max_qlen;
-        } else {
-            return STFU_IT_FAILED;
-        }
-    }
-
-    diff = qlen - i->qlen;
-
-    if (stfu_log != null_logger && i->debug) {
-        stfu_log(STFU_LOG_EMERG, "%d %s resize %s %u %u\n", line, i->name, diff > 0 ? "up" : "down", i->qlen, i->qlen + diff);
-    }
-
-    if ((s = stfu_n_resize_aqueue(&i->a_queue, qlen)) == STFU_IT_WORKED) {
-        stfu_n_resize_aqueue(&i->b_queue, qlen);
-        s = stfu_n_resize_aqueue(&i->c_queue, qlen);
-
-        if (qlen > (int32_t)i->most_qlen) {
-            i->most_qlen = qlen;
-        }
-
-        i->qlen = qlen;
-        i->last_frame = NULL;
-    }
-    
-    return s;
-}
-
-stfu_instance_t *stfu_n_init(uint32_t qlen, uint32_t max_qlen, uint32_t samples_per_packet, uint32_t samples_per_second, uint32_t max_drift_ms)
-{
-	struct stfu_instance *i;
-
-	i = malloc(sizeof(*i));
-	if (!i) {
-		return NULL;
-	}
-	memset(i, 0, sizeof(*i));
-
-    i->qlen = qlen;
-    i->max_qlen = max_qlen;
-    i->orig_qlen = qlen;
-    i->samples_per_packet = samples_per_packet;
-
-	stfu_n_init_aqueue(&i->a_queue, qlen);
-	stfu_n_init_aqueue(&i->b_queue, qlen);
-	stfu_n_init_aqueue(&i->c_queue, qlen);
-
-    i->max_drift = (int32_t)(max_drift_ms * (samples_per_second / 1000) * -1);
-
-    if (max_drift_ms && samples_per_packet) {
-        i->drift_max_dropped = (samples_per_second * 2) / samples_per_packet;
-    }
-
-	i->in_queue = &i->a_queue;
-	i->out_queue = &i->b_queue;
-	i->old_queue = &i->c_queue;
-    i->name = strdup("none");
-    
-    i->samples_per_second = samples_per_second ? samples_per_second : 8000;
-    
-    i->period_time = ((i->samples_per_second * PERIOD_SECONDS) / i->samples_per_packet);
-
-	return i;
-}
-
-static void stfu_n_reset_counters(stfu_instance_t *i)
-{
-    if (stfu_log != null_logger && i->debug) {
-        stfu_log(STFU_LOG_EMERG, "%s COUNTER RESET........\n", i->name);
-    }
-
-    
-
-    if (i->callback) {
-        i->callback(i, i->udata);
-    }
-
-    i->consecutive_good_count = 0;
-    i->consecutive_bad_count = 0;
-    i->period_good_count = 0;
-    i->period_clean_count = 0;
-    i->period_bad_count = 0;
-    i->period_packet_in_count = 0;
-    i->period_packet_out_count = 0;
-    i->period_missing_count = 0;
-    i->period_jitter_count = 0;
-
-    i->period_jitter_size_time = 0;
-    i->period_jitter_size_ts = 0;
-    i->period_jitter_size = 0;
-
-    i->period_need_range = 0;
-    i->period_need_range_avg = 0;
-
-    i->diff = 0;
-    i->diff_total = 0;
-
-}
-
-void _stfu_n_reset(stfu_instance_t *i, const char *file, const char *func, int line)
-{
-    if (stfu_log != null_logger && i->debug) {
-        stfu_log(file, func, line, STFU_LOG_LEVEL_EMERG, "%s RESET\n", i->name);
-    }
-
-    i->ready = 0;
-	i->in_queue = &i->a_queue;
-	i->out_queue = &i->b_queue;
-	i->old_queue = &i->c_queue;
-
-	i->in_queue->array_len = 0;
-	i->out_queue->array_len = 0;
-	i->out_queue->wr_len = 0;
-	i->last_frame = NULL;
-    i->in_queue->last_jitter = 0;
-    i->out_queue->last_jitter = 0;
-
-
-    stfu_n_reset_counters(i);
-    stfu_n_sync(i, 1);
-    
-    i->cur_ts = 0;
-    i->cur_seq = 0;
-	i->last_wr_ts = 0;
-	i->last_rd_ts = 0;
-	i->miss_count = 0;	
-    i->packet_count = 0;
-    i->ts_offset = 0;
-    i->ts_drift = 0;
-    i->consecutive_drift = 0;
-}
-
-stfu_status_t stfu_n_sync(stfu_instance_t *i, uint32_t packets)
-{
-
-    if (packets > i->qlen) {
-        stfu_n_reset(i);
-    } else {
-        i->sync_out = packets;
-        i->sync_in = packets;
-    }
-
-    return STFU_IT_WORKED;
-}
-
-
-static void stfu_n_swap(stfu_instance_t *i)
-{
-    stfu_queue_t *last_in = i->in_queue, *last_out = i->out_queue, *last_old = i->old_queue;
-    
-    i->ready = 1;
-    
-    i->in_queue = last_old;
-    i->out_queue = last_in;
-    i->old_queue = last_out;
-
-    i->in_queue->array_len = 0;
-    i->out_queue->wr_len = 0;
-    i->last_frame = NULL;
-    i->miss_count = 0;
-    i->in_queue->last_index = 0;
-    i->out_queue->last_index = 0;
-    i->out_queue->last_jitter = 0;
-}
-
-stfu_status_t stfu_n_add_data(stfu_instance_t *i, uint32_t ts, uint16_t seq, uint32_t pt, void *data, size_t datalen, uint32_t timer_ts, int last)
-{
-	uint32_t index = 0;
-	stfu_frame_t *frame;
-	size_t cplen = 0;
-    int good_ts = 0;
-    int32_t diff;
-    switch_time_t now;
-    
-
-    i->ts_diff = ts - i->last_rd_ts;
-
-    if (!i->samples_per_packet && ts && i->last_rd_ts) {
-        if (i->last_ts_diff == i->ts_diff) {
-            if (++i->same_ts == 5) {
-                i->samples_per_packet = i->ts_diff;
-                if (i->max_drift && i->samples_per_packet) {
-                    i->drift_max_dropped = (i->samples_per_second * 2) / i->samples_per_packet;
-                }
-            }
-        } else {
-            i->same_ts = 0;
-        }
-            
-        if (!i->samples_per_packet) {
-            i->last_rd_ts = ts;
-            return STFU_IT_FAILED;
-        }
-    }
-
-    i->last_ts_diff = i->ts_diff;
-    
-    if (!i->ms_per_packet) {
-        i->ms_per_packet = 1000 / (i->samples_per_second / i->samples_per_packet);
-    }
-
-    now = switch_micro_time_now();
-
-    if (i->last_clock_ts) {
-        diff = (uint32_t) ((now - i->last_clock_ts) / 1000);
-    } else {
-        diff = 0;
-    }
-
-    i->last_clock_ts = now;
-
-    if (diff && i->ms_per_packet) {
-        i->last_time_skew = abs((int)(diff - (int)i->ms_per_packet));
-    }
-
-    if (i->last_ts_diff && i->samples_per_packet) {
-        i->last_ts_skew = abs((int)(i->last_ts_diff - (int)i->samples_per_packet));
-    }
-
-    if (i->ready && i->out_queue->array_len && (i->last_time_skew > 1 || i->last_ts_skew)) {
-        uint32_t time_ms = i->last_time_skew, ts_ms = (i->last_ts_skew / i->samples_per_packet) * i->ms_per_packet;
-
-        if (time_ms > i->period_jitter_size_time) {
-            i->period_jitter_size_time = time_ms;
-        }
-
-        if (ts_ms > i->period_jitter_size_ts) {
-            i->period_jitter_size_ts = ts_ms;
-        }
-
-        if (i->period_jitter_size_time > i->period_jitter_size_ts) {
-            i->period_jitter_size = i->period_jitter_size_time;
-        } else {
-            i->period_jitter_size = i->period_jitter_size_ts;
-        }
-
-        if (++i->period_jitter_count > 5) {
-            stfu_n_auto_size(i, 0);
-        }
-    }
-
-    if (timer_ts && i->ready && i->out_queue->array_len) {
-        if (ts && !i->ts_offset) {
-            i->ts_offset = timer_ts - ts;
-        }
-
-        if (i->ts_offset) {
-            i->ts_drift = ts + (i->ts_offset - timer_ts);
-
-            if (i->ts_drift > 0) {
-                i->ts_offset = timer_ts - ts;
-                i->ts_drift = ts + (i->ts_offset - timer_ts);
-            }
-
-            if (i->ts_drift) {
-                i->consecutive_drift++;
-            } else {
-                i->consecutive_drift = 0;
-            }
-        }
-        
-
-        if (i->max_drift && i->consecutive_drift >= 10) {
-            if (i->ts_drift < i->max_drift) {
-                if (++i->drift_dropped_packets < i->drift_max_dropped) {
-                    if (stfu_log != null_logger && i->debug) {
-                        stfu_log(STFU_LOG_EMERG, "%s TOO LATE !!! %u \n\n\n", i->name, ts);
-                    }
-                    stfu_n_reset(i);
-                    //stfu_n_resize(i, 1);
-                    //stfu_n_sync(i, 1);
-                    //return STFU_ITS_TOO_LATE;
-                }
-            } else {
-                i->drift_dropped_packets = 0;
-            }
-        }
-    }
-
-    if (i->sync_in) {
-        good_ts = 1;
-        i->sync_in = 0;
-    } else {
-
-        if ((ts && ts == i->last_rd_ts + i->samples_per_packet) || (i->last_rd_ts > 4294900000u && ts < 5000)) {
-            good_ts = 1;
-        }
-
-        if (i->last_wr_ts) {
-            if ((ts <= i->last_wr_ts && (i->last_wr_ts != UINT_MAX || ts == i->last_wr_ts))) {
-                if (stfu_log != null_logger && i->debug) {
-                    stfu_log(STFU_LOG_EMERG, "%s TOO LATE !!! %u \n\n\n", i->name, ts);
-                }
-                //stfu_n_resize(i, i->qlen + 1);
-                return STFU_ITS_TOO_LATE;
-            }
-        }
-    }
-
-    if (good_ts) {
-        i->period_clean_count++;
-        i->session_clean_count++;
-    }
-
-    i->period_packet_in_count++;
-    i->session_packet_in_count++;
-
-    i->period_need_range_avg = i->period_need_range / least1(i->period_missing_count);
-
-    //if (i->period_missing_count > i->qlen * 2) {
-        //stfu_n_resize(i, 1);
-    //}
-    
-    i->diff = 0;
-    
-    if (i->last_wr_ts) {
-        if (ts < 1000 && i->last_wr_ts > (UINT_MAX - 1000)) {
-            i->diff = abs((int)(((UINT_MAX - i->last_wr_ts) + ts) / i->samples_per_packet));
-        } else if (ts) {
-            i->diff = abs((int)(i->last_wr_ts - ts)) / i->samples_per_packet;
-        }
-    }
-    
-    i->diff_total += i->diff;
-
-    i->period_jitter_percent = (double)(((double)i->period_jitter_count / (double)i->period_time) * 100.0f);
-    i->period_missing_percent= (double)(((double)i->period_missing_count / (double)i->period_time) * 100.0f);
-
-    if ((i->period_packet_in_count >= i->period_time)) {
-        i->period_packet_in_count = 0;
-
-        if (stfu_log != null_logger && i->debug) {
-            stfu_log(STFU_LOG_EMERG, "PERIOD %f jitter missing:%f q:%d/%d\n", i->period_jitter_percent, i->period_missing_percent, i->qlen, i->orig_qlen);
-        }
-        stfu_n_auto_size(i, 1);
-
-        //if (i->qlen > i->orig_qlen) {
-            //if (i->period_jitter_percent < PERIOD_JITTER_TOLERANCE && i->period_missing_percent < PERIOD_JITTER_TOLERANCE) {
-            //    stfu_n_resize(i, -1);
-            //}
-        //}
-
-        stfu_n_reset_counters(i);
-    }
-    
-    if (stfu_log != null_logger && (i->debug & DBG_IN)) {
-        stfu_log(STFU_LOG_EMERG, "I: %s len:%u/%u i=%u/%u - g:%u c:%u b:%u - ts:%u/%u/%u - m:%u(%f%%) j:%0.2f%% js:%u/%u dr:%d/%d\n", 
-                 i->name,
-                 i->qlen, i->max_qlen, 
-                 i->period_packet_in_count, i->period_time, 
-                 i->consecutive_good_count,
-                 i->period_clean_count,
-                 i->consecutive_bad_count,
-                 ts, ts / i->samples_per_packet, 
-                 i->last_wr_ts,
-                 i->period_missing_count,
-                 i->period_missing_percent,
-                 i->period_jitter_percent,
-                 i->period_jitter_size_time,
-                 i->period_jitter_size_ts,
-                 i->ts_drift, i->max_drift);
-    }
-
-	if (last || i->in_queue->array_len == i->in_queue->array_size) {
-        stfu_n_swap(i);
-    }
-
-	if (last) {
-		return STFU_IM_DONE;
-	}
-
-    index = i->in_queue->array_len++;
-    assert(index < i->in_queue->array_size);
-	frame = &i->in_queue->array[index];
-
-	if (i->in_queue->array_len == i->in_queue->array_size) {
-        stfu_n_swap(i);
-    }
-
-	if ((cplen = datalen) > sizeof(frame->data)) {
-		cplen = sizeof(frame->data);
-	}
-
-    i->last_rd_ts = ts;
-    i->packet_count++;
-
-	memcpy(frame->data, data, cplen);
-
-    frame->pt = pt;
-	frame->ts = ts;
-    frame->seq = seq;
-	frame->dlen = cplen;
-	frame->was_read = 0;	
-
-	return STFU_IT_WORKED;
-}
-
-static int stfu_n_find_any_frame(stfu_instance_t *in, stfu_queue_t *queue, stfu_frame_t **r_frame, int force)
-{
-    uint32_t i = 0, best_index = 0;
-    int best_diff = 1000000, cur_diff = 0;
-    stfu_frame_t *frame = NULL, *best_frame = NULL;
-    int newer = 0;
-    uint32_t was_read = 0;
-
-    stfu_assert(r_frame);
-    
-    *r_frame = NULL;
-
- top:
-
-    was_read = 0;
-
-    if (force) {
-        in->cur_ts = 0;
-    }
-
-    for(i = 0; i < queue->real_array_size; i++) {
-        frame = &queue->array[i];
-        
-        if (frame->was_read) was_read++;
-        
-        if (!frame->was_read && in->cur_ts && frame->ts > in->cur_ts) {
-            newer++;
-        }
-
-        cur_diff = abs((int)(frame->ts - in->cur_ts));
-
-        if (!frame->was_read && cur_diff < best_diff) {
-            best_diff = cur_diff;
-            best_frame = frame;
-            best_index = i;
-        }
-    }
-
-    if (was_read == queue->real_array_size) {
-        if (stfu_log != null_logger && in->debug) {        
-            stfu_log(STFU_LOG_EMERG, "%s OUT QUEUE EMPTY, SWAPPING\n", in->name);
-        }
-
-        stfu_n_swap(in);
-        in->ready = 0;
-        return 0;
-    }
-
-    if (!force && !best_frame && newer) {
-        force = 1;
-        goto top;
-    }
-
-    if (best_frame) {
-        *r_frame = best_frame;
-        queue->last_index = best_index;
-        best_frame->was_read = 1;
-        in->period_packet_out_count++;
-        in->session_packet_out_count++;
-        return 1;
-    }
-
-
-    return 0;    
-}
-
-
-static int stfu_n_find_frame(stfu_instance_t *in, stfu_queue_t *queue, uint32_t ts, stfu_frame_t **r_frame)
-{
-    uint32_t i = 0;
-    stfu_frame_t *frame = NULL;
-
-    if (r_frame) {
-        *r_frame = NULL;
-    }
-
-    for(i = 0; i < queue->array_len; i++) {
-        frame = &queue->array[i];
-        
-        if (frame->ts == ts) {
-            if (r_frame) {
-                *r_frame = frame;
-                queue->last_index = i;
-                frame->was_read = 1;
-                in->period_packet_out_count++;
-                in->session_packet_out_count++;
-            }
-            return 1;
-        }
-    }
-
-    return 0;
-}
-
-static stfu_frame_t *stfu_n_find_least_unread_frame(stfu_instance_t *i)
-{
-	uint32_t y, least = 0;
-	stfu_frame_t *frame = NULL, *lframe = NULL;
-	
-	for (y = 0; y < i->out_queue->array_len; y++) {
-		frame = &i->out_queue->array[y];
-		if (!frame->was_read && (frame->ts < least || least == 0)) {
-			lframe = frame;
-			least = frame->ts;
-		}
-	}
-
-	for (y = 0; y < i->in_queue->array_len; y++) {
-		frame = &i->in_queue->array[y];
-		if (!frame->was_read && (frame->ts < least || least == 0)) {
-			least = frame->ts;
-			lframe = frame;
-		}
-	}
-
-	return lframe;
-}
-
-void stfu_n_dump(stfu_instance_t *i)
-{
-    uint32_t y;
-    stfu_frame_t *frame = NULL;
-
-    if (stfu_log != null_logger && i->debug) {        
-        stfu_log(STFU_LOG_EMERG, "%s OUT QUEUE: ------------\n", i->name);
-        for(y = 0; y < i->out_queue->array_len; y++) {
-            frame = &i->out_queue->array[y];
-            stfu_log(STFU_LOG_EMERG, "%s\t%u:%u r:%d\n", i->name, frame->ts, frame->ts / i->samples_per_packet, frame->was_read);
-        }
-        stfu_log(STFU_LOG_EMERG, "%s\n\n", i->name);
-        stfu_log(STFU_LOG_EMERG, "%s IN QUEUE: ------------\n", i->name);
-        for(y = 0; y < i->in_queue->array_len; y++) {
-            frame = &i->in_queue->array[y];
-            stfu_log(STFU_LOG_EMERG, "%s\t%u:%u r:%d\n", i->name, frame->ts, frame->ts / i->samples_per_packet, frame->was_read);
-        }
-        stfu_log(STFU_LOG_EMERG, "%s\n\n\n", i->name);
-    }
-}
-
-stfu_frame_t *stfu_n_read_a_frame(stfu_instance_t *i)
-{
-	stfu_frame_t *rframe = NULL;
-    int found = 0;
-
-	if (!i->samples_per_packet) {
-        return NULL;
-    }
-    
-    if (!i->ready) {
-        if (stfu_log != null_logger && i->debug) {
-            stfu_log(STFU_LOG_EMERG, "%s JITTERBUFFER NOT READY: IGNORING FRAME\n", i->name);
-        }
-        return NULL;
-    }
-
-
-    if (i->cur_ts == 0 && i->last_wr_ts < 1000) {
-        uint32_t x = 0;
-        for (x = 0; x < i->out_queue->array_len; x++) {
-            if (!i->out_queue->array[x].was_read) {
-                i->cur_ts = i->out_queue->array[x].ts;
-                i->cur_seq = i->out_queue->array[x].seq;
-                break;
-            }
-            if (i->cur_ts == 0) {
-                if (stfu_log != null_logger && i->debug) {
-                    stfu_log(STFU_LOG_EMERG, "%s JITTERBUFFER ERROR: PUNTING\n", i->name);
-                    return NULL;
-                }
-            }
-        }
-    } else {
-        i->cur_ts = i->cur_ts + i->samples_per_packet;
-        i->cur_seq++;
-    }
-    
-    found = stfu_n_find_frame(i, i->out_queue, i->cur_ts, &rframe);
-
-    if (!found) {
-        found = stfu_n_find_frame(i, i->in_queue, i->cur_ts, &rframe);
-
-        if (!found) {
-            found = stfu_n_find_frame(i, i->old_queue, i->cur_ts, &rframe);
-        }
-    }
-
-    if (i->sync_out) {
-        if (!found) {
-            if ((found = stfu_n_find_any_frame(i, i->out_queue, &rframe, 1))) {
-                i->cur_ts = rframe->ts;
-                i->cur_seq = rframe->seq;
-            }
-            
-            if (stfu_log != null_logger && i->debug) {
-                stfu_log(STFU_LOG_EMERG, "%s SYNC %u %u:%u\n", i->name, i->sync_out, i->cur_ts, i->cur_ts / i->samples_per_packet);
-            }
-
-        }
-        i->sync_out = 0;
-    }
-
-    if (!i->cur_ts) {
-        if (stfu_log != null_logger && i->debug) {
-            stfu_log(STFU_LOG_EMERG, "%s NO TS\n", i->name);
-        }
-        return NULL;
-    }
-
-    if (!found && i->samples_per_packet) {
-		stfu_frame_t *least = stfu_n_find_least_unread_frame(i);
-		
-		if (least && least->ts > i->cur_ts && (least->ts - i->cur_ts) / i->samples_per_packet > i->qlen) {
-			if (stfu_log != null_logger && i->debug) {
-				stfu_log(STFU_LOG_EMERG, "%s SLIPPED BEHIND %d packets, RESYNCRONIZING\n", i->name, (least->ts - i->cur_ts) / i->samples_per_packet);
-			}
-			found = 1;
-			i->cur_ts = least->ts;
-			i->cur_seq = least->seq;
-			rframe = least;
-		}
-	}
-
-
-    if (!found && i->samples_per_packet) {
-        int32_t delay = i->cur_ts - i->last_rd_ts;
-        uint32_t need  = abs(delay) / i->samples_per_packet;
-		
-        i->period_missing_count++;
-        i->session_missing_count++;
-        i->period_need_range += need;
-
-        if (stfu_log != null_logger && i->debug) {        
-            stfu_log(STFU_LOG_EMERG, "%s MISSING %u:%u %u %u %d %u %d\n", i->name, 
-                     i->cur_ts, i->cur_ts / i->samples_per_packet, i->packet_count, i->last_rd_ts, delay, i->qlen, need);        
-        }
-
-        if (i->packet_count > i->orig_qlen * 100 && delay > 0 && need > i->qlen && need < (i->qlen + 5)) {
-            i->packet_count = 0;
-        }
-
-        stfu_n_dump(i);
-    }
-
-    if (stfu_log != null_logger && (i->debug & DBG_OUT)) {
-        if (found) {
-            stfu_log(STFU_LOG_EMERG, "O: %s %u:%u %u\n", i->name, rframe->ts, rframe->ts / i->samples_per_packet, rframe->plc);
-        }
-    }
-
-    if (found) {
-        i->consecutive_good_count++;
-        i->period_good_count++;
-        i->consecutive_bad_count = 0;
-    } else {
-        i->consecutive_bad_count++;
-        i->period_bad_count++;
-        i->consecutive_good_count = 0;
-    }
-    
-    if (found) {
-        i->last_frame = rframe;
-        i->out_queue->wr_len++;
-        i->last_wr_ts = rframe->ts;
-
-        i->miss_count = 0;
-        if (rframe->dlen) {
-            i->plc_len = rframe->dlen;
-        }
-
-        i->plc_pt = rframe->pt;
-
-    } else {
-        if (i->consecutive_bad_count > (i->max_qlen / 2)) {
-			if (stfu_log != null_logger && i->debug) {
-				stfu_log(STFU_LOG_EMERG, "%s NO PACKETS HARD RESETTING\n", i->name);
-			}
-			stfu_n_reset(i);
-		} else {
-			i->last_wr_ts = i->cur_ts;
-			rframe = &i->out_queue->int_frame;
-			rframe->dlen = i->plc_len;
-			rframe->pt = i->plc_pt;
-			rframe->ts = i->cur_ts;
-			rframe->seq = i->cur_seq;
-			i->miss_count++;
-
-			if (stfu_log != null_logger && i->debug) {
-				stfu_log(STFU_LOG_EMERG, "%s PLC %d/%d %d %ld %u:%u\n", i->name, 
-						 i->miss_count, i->max_qlen, rframe->plc, rframe->dlen, rframe->ts, rframe->ts / i->samples_per_packet);
-			}
-		}
-
-        if (i->miss_count > i->max_qlen) {
-            if (stfu_log != null_logger && i->debug) {
-                stfu_log(STFU_LOG_EMERG, "%s TOO MANY MISS %d/%d SYNC...\n", i->name, i->miss_count, i->max_qlen);
-            }
-            stfu_n_sync(i, 1);
-        }
-        
-    }
-
-    return rframe;
-}
-
-SWITCH_DECLARE(int32_t) stfu_n_peek_frame(stfu_instance_t *jb, uint32_t timestamp, uint16_t seq, uint16_t distance, stfu_frame_t **rframe)
-{
-	uint32_t i = 0, qi = 0;
-	stfu_frame_t *frame = NULL;
-	uint16_t want_seq = seq + distance;
-	stfu_queue_t *queues[2] = {jb->out_queue, jb->in_queue};
-
-	switch_assert(rframe);
-
-	for (qi = 0; qi < 2; qi++) {
-		stfu_queue_t *queue = queues[qi];
-
-		for(i = 0; i < queue->array_len; i++) {
-			frame = &queue->array[i];
-
-			if (frame->seq == want_seq) {
-				*rframe = frame;
-				return 1;
-			}
-		}
-	}
-
-	return 0;
-}
-
-
-#ifdef WIN32
-#ifndef vsnprintf
-#define vsnprintf _vsnprintf
-#endif
-#endif
-
-
-int vasprintf(char **ret, const char *format, va_list ap);
-
-int stfu_vasprintf(char **ret, const char *fmt, va_list ap)
-{
-#if !defined(WIN32) && !defined(__sun)
-	return vasprintf(ret, fmt, ap);
-#else
-	char *buf;
-	int len;
-	size_t buflen;
-	va_list ap2;
-	char *tmp = NULL;
-
-#ifdef _MSC_VER
-#if _MSC_VER >= 1500
-	/* hack for incorrect assumption in msvc header files for code analysis */
-	__analysis_assume(tmp);
-#endif
-	ap2 = ap;
-#else
-	va_copy(ap2, ap);
-#endif
-
-	len = vsnprintf(tmp, 0, fmt, ap2);
-
-	if (len > 0 && (buf = malloc((buflen = (size_t) (len + 1)))) != NULL) {
-		len = vsnprintf(buf, buflen, fmt, ap);
-		*ret = buf;
-	} else {
-		*ret = NULL;
-		len = -1;
-	}
-
-	va_end(ap2);
-	return len;
-#endif
-}
-
-
-
-
-int stfu_snprintf(char *buffer, size_t count, const char *fmt, ...)
-{
-	va_list ap;
-	int ret;
-
-	va_start(ap, fmt);
-	ret = vsnprintf(buffer, count-1, fmt, ap);
-	if (ret < 0)
-		buffer[count-1] = '\0';
-	va_end(ap);
-	return ret;
-}
-
-static void null_logger(const char *file, const char *func, int line, int level, const char *fmt, ...)
-{
-	if (file && func && line && level && fmt) {
-		return;
-	}
-	return;
-}
-
-
-
-static const char *LEVEL_NAMES[] = {
-	"EMERG",
-	"ALERT",
-	"CRIT",
-	"ERROR",
-	"WARNING",
-	"NOTICE",
-	"INFO",
-	"DEBUG",
-	NULL
-};
-
-static const char *cut_path(const char *in)
-{
-	const char *p, *ret = in;
-	char delims[] = "/\\";
-	char *i;
-
-	for (i = delims; *i; i++) {
-		p = in;
-		while ((p = strchr(p, *i)) != 0) {
-			ret = ++p;
-		}
-	}
-	return ret;
-}
-
-
-static void default_logger(const char *file, const char *func, int line, int level, const char *fmt, ...)
-{
-	const char *fp;
-	char *data;
-	va_list ap;
-	int ret;
-	
-	if (level < 0 || level > 7) {
-		level = 7;
-	}
-	if (level > stfu_log_level) {
-		return;
-	}
-	
-	fp = cut_path(file);
-
-	va_start(ap, fmt);
-
-	ret = stfu_vasprintf(&data, fmt, ap);
-
-	if (ret != -1) {
-		fprintf(stderr, "[%s] %s:%d %s() %s", LEVEL_NAMES[level], fp, line, func, data);
-		free(data);
-	}
-
-	va_end(ap);
-
-}
-
-/* For Emacs:
-* Local Variables:
-* mode:c
-* indent-tabs-mode:t
-* tab-width:4
-* c-basic-offset:4
-* End:
-* For VIM:
-* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
-*/
diff --git a/src/switch_vidderbuffer.c b/src/switch_vidderbuffer.c
deleted file mode 100644
index 8bc6d26150..0000000000
--- a/src/switch_vidderbuffer.c
+++ /dev/null
@@ -1,687 +0,0 @@
-/* 
- * FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- * Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
- *
- * Version: MPL 1.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
- *
- * The Initial Developer of the Original Code is
- * Anthony Minessale II <anthm@freeswitch.org>
- * Portions created by the Initial Developer are Copyright (C)
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * 
- * Anthony Minessale II <anthm@freeswitch.org>
- *
- * switch_vidderbuffer.c -- Video Buffer
- *
- */
-#include <switch.h>
-#include <switch_vidderbuffer.h>
-
-#define MAX_MISSING_SEQ 20
-#define vb_debug(_vb, _level, _format, ...) if (_vb->debug_level >= _level) switch_log_printf(SWITCH_CHANNEL_LOG_CLEAN, SWITCH_LOG_ALERT, "VB:%p level:%d line:%d ->" _format, (void *) _vb, _level, __LINE__,  __VA_ARGS__)
-
-const char *TOKEN_1 = "ONE";
-const char *TOKEN_2 = "TWO";
-
-struct switch_vb_s;
-
-typedef struct switch_vb_node_s {
-	struct switch_vb_s *parent;
-	switch_rtp_packet_t packet;
-	uint32_t len;
-	uint8_t visible;
-	struct switch_vb_node_s *prev;
-	struct switch_vb_node_s *next;
-} switch_vb_node_t;
-
-struct switch_vb_s {
-	struct switch_vb_node_s *node_list;
-	uint32_t last_target_seq;
-	uint32_t highest_read_ts;
-	uint32_t highest_read_seq;
-	uint32_t highest_wrote_ts;
-	uint32_t highest_wrote_seq;
-	uint16_t target_seq;
-	uint32_t visible_nodes;
-	uint32_t complete_frames;
-	uint32_t frame_len;
-	uint32_t min_frame_len;
-	uint32_t max_frame_len;
-	uint8_t write_init;
-	uint8_t read_init;
-	uint8_t debug_level;
-	uint16_t next_seq;
-	switch_inthash_t *missing_seq_hash;
-	switch_inthash_t *node_hash;
-	switch_mutex_t *mutex;
-	switch_mutex_t *list_mutex;
-	switch_memory_pool_t *pool;
-	int free_pool;
-	switch_vb_flag_t flags;
-};
-
-static inline switch_vb_node_t *new_node(switch_vb_t *vb)
-{
-	switch_vb_node_t *np;
-
-	switch_mutex_lock(vb->list_mutex);
-
-	for (np = vb->node_list; np; np = np->next) {
-		if (!np->visible) {
-			break;
-		}
-	}
-
-	if (!np) {
-		
-		np = switch_core_alloc(vb->pool, sizeof(*np));
-		
-		np->next = vb->node_list;
-		if (np->next) {
-			np->next->prev = np;
-		}
-		vb->node_list = np;
-		
-	}
-
-	switch_assert(np);
-
-	np->visible = 1;
-	vb->visible_nodes++;
-	np->parent = vb;
-
-	switch_mutex_unlock(vb->list_mutex);
-
-	return np;
-}
-
-static inline void push_to_top(switch_vb_t *vb, switch_vb_node_t *node)
-{
-	if (node == vb->node_list) {
-		vb->node_list = node->next;
-	} else if (node->prev) {
-		node->prev->next = node->next;
-	}
-			
-	if (node->next) {
-		node->next->prev = node->prev;
-	}
-
-	node->next = vb->node_list;
-	node->prev = NULL;
-
-	if (node->next) {
-		node->next->prev = node;
-	}
-
-	vb->node_list = node;
-
-	switch_assert(node->next != node);
-	switch_assert(node->prev != node);
-}
-
-static inline void hide_node(switch_vb_node_t *node, switch_bool_t pop)
-{
-	switch_vb_t *vb = node->parent;
-
-	switch_mutex_lock(vb->list_mutex);
-
-	if (node->visible) {
-		node->visible = 0;
-		vb->visible_nodes--;
-
-		if (pop) {
-			push_to_top(vb, node);
-		}
-	}
-
-	switch_core_inthash_delete(vb->node_hash, node->packet.header.seq);
-
-	switch_mutex_unlock(vb->list_mutex);
-}
-
-static inline void sort_free_nodes(switch_vb_t *vb)
-{
-	switch_vb_node_t *np, *this_np;
-	int start = 0;
-
-	switch_mutex_lock(vb->list_mutex);
-	np = vb->node_list;
-
-	while(np) {
-		this_np = np;
-		np = np->next;
-
-		if (this_np->visible) {
-			start++;
-		}
-
-		if (start && !this_np->visible) {
-			push_to_top(vb, this_np);
-		}		
-	}
-
-	switch_mutex_unlock(vb->list_mutex);
-}
-
-static inline void hide_nodes(switch_vb_t *vb)
-{
-	switch_vb_node_t *np;
-
-	switch_mutex_lock(vb->list_mutex);
-	for (np = vb->node_list; np; np = np->next) {
-		hide_node(np, SWITCH_FALSE);
-	}
-	switch_mutex_unlock(vb->list_mutex);
-}
-
-static inline void drop_ts(switch_vb_t *vb, uint32_t ts)
-{
-	switch_vb_node_t *np;
-	int x = 0;
-
-	switch_mutex_lock(vb->list_mutex);
-	for (np = vb->node_list; np; np = np->next) {
-		if (!np->visible) continue;
-
-		if (ts == np->packet.header.ts) {
-			hide_node(np, SWITCH_FALSE);
-			x++;
-		}
-	}
-
-	if (x) {
-		sort_free_nodes(vb);
-	}
-
-	switch_mutex_unlock(vb->list_mutex);
-	
-	if (x) vb->complete_frames--;
-}
-
-static inline uint32_t vb_find_lowest_ts(switch_vb_t *vb)
-{
-	switch_vb_node_t *np, *lowest = NULL;
-	
-	switch_mutex_lock(vb->list_mutex);
-	for (np = vb->node_list; np; np = np->next) {
-		if (!np->visible) continue;
-
-		if (!lowest || ntohl(lowest->packet.header.ts) > ntohl(np->packet.header.ts)) {
-			lowest = np;
-		}
-	}
-	switch_mutex_unlock(vb->list_mutex);
-
-	return lowest ? lowest->packet.header.ts : 0;
-}
-
-static inline void drop_oldest_frame(switch_vb_t *vb)
-{
-	uint32_t ts = vb_find_lowest_ts(vb);
-
-	drop_ts(vb, ts);
-	vb_debug(vb, 1, "Dropping oldest frame ts:%u\n", ntohl(ts));
-}
-
-static inline void add_node(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t len)
-{
-	switch_vb_node_t *node = new_node(vb);
-
-	node->packet = *packet;
-	node->len = len;
-	memcpy(node->packet.body, packet->body, len);
-
-	switch_core_inthash_insert(vb->node_hash, node->packet.header.seq, node);
-
-	vb_debug(vb, (packet->header.m ? 1 : 2), "PUT packet last_ts:%u ts:%u seq:%u%s\n", 
-			 ntohl(vb->highest_wrote_ts), ntohl(node->packet.header.ts), ntohs(node->packet.header.seq), packet->header.m ? " <MARK>" : "");
-
-
-
-
-
-	if (vb->write_init && ((abs(((int)htons(packet->header.seq) - htons(vb->highest_wrote_seq))) > 16) || 
-						   (abs((int)((int64_t)ntohl(node->packet.header.ts) - (int64_t)ntohl(vb->highest_wrote_ts))) > 900000))) {
-		vb_debug(vb, 2, "%s", "CHANGE DETECTED, PUNT\n");
-		switch_vb_reset(vb);
-	}
- 
-	 
-	 
-
-	if (!vb->write_init || ntohs(packet->header.seq) > ntohs(vb->highest_wrote_seq) || 
-		(ntohs(vb->highest_wrote_seq) > USHRT_MAX - 10 && ntohs(packet->header.seq) <= 10) ) {
-		vb->highest_wrote_seq = packet->header.seq;
-	}
-
-	if (vb->write_init && htons(packet->header.seq) >= htons(vb->highest_wrote_seq) && (ntohl(node->packet.header.ts) > ntohl(vb->highest_wrote_ts))) {
-		vb->complete_frames++;
-		vb_debug(vb, 2, "WRITE frame ts: %u complete=%u/%u n:%u\n", ntohl(node->packet.header.ts), vb->complete_frames , vb->frame_len, vb->visible_nodes);
-		vb->highest_wrote_ts = packet->header.ts;
-	} else if (!vb->write_init) {
-		vb->highest_wrote_ts = packet->header.ts;
-	}
-	
-	if (!vb->write_init) vb->write_init = 1;
-
-	if (vb->complete_frames > vb->max_frame_len) {
-		drop_oldest_frame(vb);
-	}
-}
-
-static inline void increment_seq(switch_vb_t *vb)
-{
-	vb->target_seq = htons((ntohs(vb->target_seq) + 1));
-}
-
-static inline void set_read_seq(switch_vb_t *vb, uint16_t seq)
-{
-	vb->last_target_seq = seq;
-	vb->target_seq = htons((ntohs(vb->last_target_seq) + 1));
-}
-
-static inline switch_vb_node_t *vb_find_lowest_seq(switch_vb_t *vb)
-{
-	switch_vb_node_t *np, *lowest = NULL;
-	
-	switch_mutex_lock(vb->list_mutex);
-	for (np = vb->node_list; np; np = np->next) {
-		if (!np->visible) continue;
-
-		if (!lowest || ntohs(lowest->packet.header.seq) > ntohs(np->packet.header.seq)) {
-			lowest = np;
-		}
-	}
-	switch_mutex_unlock(vb->list_mutex);
-
-	return lowest;
-}
-
-static inline switch_status_t vb_next_packet(switch_vb_t *vb, switch_vb_node_t **nodep)
-{
-	switch_vb_node_t *node = NULL;
-
-	if (!vb->target_seq) {
-		if ((node = vb_find_lowest_seq(vb))) {
-			vb_debug(vb, 2, "No target seq using seq: %u as a starting point\n", ntohs(node->packet.header.seq));
-		} else {
-			vb_debug(vb, 1, "%s", "No nodes available....\n");
-		}
-	} else if ((node = switch_core_inthash_find(vb->node_hash, vb->target_seq))) {
-		vb_debug(vb, 2, "FOUND desired seq: %u\n", ntohs(vb->target_seq));
-	} else {
-		int x;
-
-		vb_debug(vb, 2, "MISSING desired seq: %u\n", ntohs(vb->target_seq));
-
-		for (x = 0; x < 10; x++) {
-			increment_seq(vb);
-			if ((node = switch_core_inthash_find(vb->node_hash, vb->target_seq))) {
-				vb_debug(vb, 2, "FOUND incremental seq: %u\n", ntohs(vb->target_seq));
-				break;
-			} else {
-				vb_debug(vb, 2, "MISSING incremental seq: %u\n", ntohs(vb->target_seq));
-			}
-		}
-	}
-
-	*nodep = node;
-	
-	if (node) {
-		set_read_seq(vb, node->packet.header.seq);
-		return SWITCH_STATUS_SUCCESS;
-	}
-
-	return SWITCH_STATUS_NOTFOUND;
-	
-}
-
-static inline void free_nodes(switch_vb_t *vb)
-{
-	switch_mutex_lock(vb->list_mutex);
-	vb->node_list = NULL;
-	switch_mutex_unlock(vb->list_mutex);
-}
-
-SWITCH_DECLARE(void) switch_vb_set_flag(switch_vb_t *vb, switch_vb_flag_t flag)
-{
-	switch_set_flag(vb, flag);
-}
-
-SWITCH_DECLARE(void) switch_vb_clear_flag(switch_vb_t *vb, switch_vb_flag_t flag)
-{
-	switch_clear_flag(vb, flag);
-}
-
-SWITCH_DECLARE(int) switch_vb_poll(switch_vb_t *vb)
-{
-	return (vb->complete_frames >= vb->frame_len);
-}
-
-SWITCH_DECLARE(int) switch_vb_frame_count(switch_vb_t *vb)
-{
-	return vb->complete_frames;
-}
-
-SWITCH_DECLARE(void) switch_vb_debug_level(switch_vb_t *vb, uint8_t level)
-{
-	vb->debug_level = level;
-}
-
-SWITCH_DECLARE(void) switch_vb_reset(switch_vb_t *vb)
-{
-
-	switch_mutex_lock(vb->mutex);
-	switch_core_inthash_destroy(&vb->missing_seq_hash);
-	switch_core_inthash_init(&vb->missing_seq_hash);
-	switch_mutex_unlock(vb->mutex);
-
-	vb_debug(vb, 2, "%s", "RESET BUFFER\n");
-
-
-	vb->last_target_seq = 0;
-	vb->target_seq = 0;
-	vb->write_init = 0;
-	vb->highest_wrote_seq = 0;
-	vb->highest_wrote_ts = 0;
-	vb->next_seq = 0;
-	vb->highest_read_ts = 0;
-	vb->highest_read_seq = 0;
-	vb->complete_frames = 0;
-	vb->read_init = 0;
-	vb->next_seq = 0;
-	vb->complete_frames = 0;
-
-	switch_mutex_lock(vb->mutex);
-	hide_nodes(vb);
-	switch_mutex_unlock(vb->mutex);
-}
-
-SWITCH_DECLARE(switch_status_t) switch_vb_get_frames(switch_vb_t *vb, uint32_t *min_frame_len, uint32_t *max_frame_len) 
-{
-
-	switch_mutex_lock(vb->mutex);
-
-	if (min_frame_len) {
-		*min_frame_len = vb->min_frame_len;
-	}
-
-	if (max_frame_len) {
-		*max_frame_len = vb->max_frame_len;
-	}
-
-	switch_mutex_unlock(vb->mutex);
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-SWITCH_DECLARE(switch_status_t) switch_vb_set_frames(switch_vb_t *vb, uint32_t min_frame_len, uint32_t max_frame_len)
-{
-	switch_mutex_lock(vb->mutex);
-	vb->min_frame_len = vb->frame_len = min_frame_len;
-	vb->max_frame_len = max_frame_len;
-	switch_mutex_unlock(vb->mutex);
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-SWITCH_DECLARE(switch_status_t) switch_vb_create(switch_vb_t **vbp, uint32_t min_frame_len, uint32_t max_frame_len, switch_memory_pool_t *pool)
-{
-	switch_vb_t *vb;
-	int free_pool = 0;
-
-	if (!pool) {
-		switch_core_new_memory_pool(&pool);
-		free_pool = 1;
-	}
-
-	vb = switch_core_alloc(pool, sizeof(*vb));
-	vb->free_pool = free_pool;
-	vb->min_frame_len = vb->frame_len = min_frame_len;
-	vb->max_frame_len = max_frame_len;
-	vb->pool = pool;
-
-	switch_core_inthash_init(&vb->missing_seq_hash);
-	switch_core_inthash_init(&vb->node_hash);
-	switch_mutex_init(&vb->mutex, SWITCH_MUTEX_NESTED, pool);
-	switch_mutex_init(&vb->list_mutex, SWITCH_MUTEX_NESTED, pool);
-
-	*vbp = vb;
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-SWITCH_DECLARE(switch_status_t) switch_vb_destroy(switch_vb_t **vbp)
-{
-	switch_vb_t *vb = *vbp;
-	*vbp = NULL;
-	
-	switch_core_inthash_destroy(&vb->missing_seq_hash);
-	switch_core_inthash_destroy(&vb->node_hash);
-
-	free_nodes(vb);
-
-	if (vb->free_pool) {
-		switch_core_destroy_memory_pool(&vb->pool);
-	}
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-SWITCH_DECLARE(uint32_t) switch_vb_pop_nack(switch_vb_t *vb)
-{
-	switch_hash_index_t *hi = NULL;
-	uint32_t nack = 0;
-	uint16_t blp = 0;
-	uint16_t least = 0;
-	int i = 0;
-
-	void *val;
-	const void *var;
-
-	switch_mutex_lock(vb->mutex);
-
-	for (hi = switch_core_hash_first(vb->missing_seq_hash); hi; hi = switch_core_hash_next(&hi)) {
-		uint16_t seq;
-		const char *token;
-
-		switch_core_hash_this(hi, &var, NULL, &val);
-		token = (const char *) val;
-
-		if (token == TOKEN_2) {
-			//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "SKIP %u %s\n", ntohs(*((uint16_t *) var)), token);
-			continue;
-		}
-		seq = ntohs(*((uint16_t *) var));
-			                                             
-		if (!least || seq < least) {
-			least = seq;
-		}
-	}
-
-	if (least && switch_core_inthash_delete(vb->missing_seq_hash, (uint32_t)htons(least))) {
-		vb_debug(vb, 3, "Found smallest NACKABLE seq %u\n", least);
-		nack = (uint32_t) htons(least);
-
-		switch_core_inthash_insert(vb->missing_seq_hash, nack, (void *) TOKEN_2);
-
-		for(i = 0; i < 16; i++) {
-			if (switch_core_inthash_delete(vb->missing_seq_hash, (uint32_t)htons(least + i + 1))) {
-				switch_core_inthash_insert(vb->missing_seq_hash, (uint32_t)htons(least + i + 1), (void *) TOKEN_2);
-				vb_debug(vb, 3, "Found addtl NACKABLE seq %u\n", least + i + 1);
-				blp |= (1 << i);
-			}
-		}
-
-		blp = htons(blp);
-		nack |= (uint32_t) blp << 16;
-	}
-	
-	switch_mutex_unlock(vb->mutex);
-
-
-	return nack;
-}
-
-SWITCH_DECLARE(switch_status_t) switch_vb_push_packet(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t len)
-{
-	add_node(vb, packet, len);
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-SWITCH_DECLARE(switch_status_t) switch_vb_put_packet(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t len)
-{
-	uint32_t i;
-	uint16_t want = ntohs(vb->next_seq), got = ntohs(packet->header.seq);
-	int missing = 0;
-
-	switch_mutex_lock(vb->mutex);
-
-	if (!want) want = got;
-
-	if (switch_test_flag(vb, SVB_QUEUE_ONLY)) {
-		vb->next_seq = htons(got + 1);
-	} else {
-		//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "WTF %u\n", got);
-
-		if (switch_core_inthash_delete(vb->missing_seq_hash, (uint32_t)htons(got))) {
-			//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "POPPED RESEND %u\n", got);	
-			missing = 1;
-		} 
-
-		if (!missing || want == got) {
-			if (got > want) {
-				//vb_debug(vb, 2, "GOT %u WANTED %u; MARK SEQS MISSING %u - %u\n", got, want, want, got - 1);
-				//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "XXXXXXXXXXXXXXXXXX   WTF GOT %u WANTED %u; MARK SEQS MISSING %u - %u\n", got, want, want, got - 1);
-				for (i = want; i < got; i++) {
-					//switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "MISSING %u\n", i);
-					switch_core_inthash_insert(vb->missing_seq_hash, (uint32_t)htons(i), (void *)TOKEN_1);
-				}
-			
-			}
-
-			if (got >= want || (want - got) > 1000) {
-				vb->next_seq = htons(got + 1);
-			}
-		}
-	}
-
-	add_node(vb, packet, len);
-	
-	switch_mutex_unlock(vb->mutex);
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-SWITCH_DECLARE(switch_status_t) switch_vb_get_packet_by_seq(switch_vb_t *vb, uint16_t seq, switch_rtp_packet_t *packet, switch_size_t *len)
-{
-	switch_vb_node_t *node;
-	
-	if ((node = switch_core_inthash_find(vb->node_hash, seq))) {
-		vb_debug(vb, 2, "Found buffered seq: %u\n", ntohs(seq));
-		*packet = node->packet;
-		*len = node->len;
-		memcpy(packet->body, node->packet.body, node->len);
-		return SWITCH_STATUS_SUCCESS;
-	} else {
-		vb_debug(vb, 2, "Missing buffered seq: %u\n", ntohs(seq));
-	}
-
-	return SWITCH_STATUS_NOTFOUND;
-}
-
-SWITCH_DECLARE(switch_status_t) switch_vb_get_packet(switch_vb_t *vb, switch_rtp_packet_t *packet, switch_size_t *len)
-{
-	switch_vb_node_t *node = NULL;
-	switch_status_t status;
-	
-	switch_mutex_lock(vb->mutex);
-	vb_debug(vb, 2, "GET PACKET %u/%u n:%d\n", vb->complete_frames , vb->frame_len, vb->visible_nodes);
-
-	if (vb->complete_frames < vb->frame_len) {
-		vb_debug(vb, 2, "BUFFERING %u/%u\n", vb->complete_frames , vb->frame_len);
-		switch_goto_status(SWITCH_STATUS_MORE_DATA, end);
-	}
-
-	if ((status = vb_next_packet(vb, &node)) == SWITCH_STATUS_SUCCESS) {
-		vb_debug(vb, 2, "Found next frame cur ts: %u seq: %u\n", htonl(node->packet.header.ts), htons(node->packet.header.seq));
-
-		if (!vb->read_init || ntohs(node->packet.header.seq) > ntohs(vb->highest_read_seq) || 
-			(ntohs(vb->highest_read_seq) > USHRT_MAX - 10 && ntohs(node->packet.header.seq) <= 10) ) {
-			vb->highest_read_seq = node->packet.header.seq;
-		}
-		
-		if (vb->read_init && htons(node->packet.header.seq) >= htons(vb->highest_read_seq) && (ntohl(node->packet.header.ts) > ntohl(vb->highest_read_ts))) {
-			vb->complete_frames--;
-			vb_debug(vb, 2, "READ frame ts: %u complete=%u/%u n:%u\n", ntohl(node->packet.header.ts), vb->complete_frames , vb->frame_len, vb->visible_nodes);
-			vb->highest_read_ts = node->packet.header.ts;
-		} else if (!vb->read_init) {
-			vb->highest_read_ts = node->packet.header.ts;
-		}
-		
-		if (!vb->read_init) vb->read_init = 1;
-
-
-	} else {
-		switch_vb_reset(vb);
-
-		switch(status) {
-		case SWITCH_STATUS_RESTART:
-			vb_debug(vb, 2, "%s", "Error encountered ask for new keyframe\n");
-			switch_goto_status(SWITCH_STATUS_RESTART, end);
-		case SWITCH_STATUS_NOTFOUND:
-		default:
-			vb_debug(vb, 2, "%s", "No frames found wait for more\n");
-			switch_goto_status(SWITCH_STATUS_MORE_DATA, end);
-		}
-	}
-	
-	if (node) {
-		status = SWITCH_STATUS_SUCCESS;
-		
-		*packet = node->packet;
-		*len = node->len;
-		memcpy(packet->body, node->packet.body, node->len);
-		hide_node(node, SWITCH_TRUE);
-
-		vb_debug(vb, 1, "GET packet ts:%u seq:%u %s\n", ntohl(packet->header.ts), ntohs(packet->header.seq), packet->header.m ? " <MARK>" : "");
-
-	} else {
-		status = SWITCH_STATUS_MORE_DATA;
-	}
-
- end:
-
-	switch_mutex_unlock(vb->mutex);
-
-	return status;
-
-}
-
-
-/* For Emacs:
- * Local Variables:
- * mode:c
- * indent-tabs-mode:t
- * tab-width:4
- * c-basic-offset:4
- * End:
- * For VIM:
- * vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
- */
diff --git a/w32/Library/FreeSwitchCore.2010.vcxproj.filters b/w32/Library/FreeSwitchCore.2010.vcxproj.filters
index 6a7b1912d7..34c4253470 100644
--- a/w32/Library/FreeSwitchCore.2010.vcxproj.filters
+++ b/w32/Library/FreeSwitchCore.2010.vcxproj.filters
@@ -34,9 +34,6 @@
     <ClCompile Include="..\..\libs\libnatpmp\natpmp.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="..\..\src\switch_stfu.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="..\..\src\switch_apr.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -255,9 +252,6 @@
     <ClInclude Include="..\..\src\include\switch_caller.h">
       <Filter>Header Files</Filter>
     </ClInclude>
-    <ClInclude Include="..\..\src\include\switch_stfu.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
     <ClInclude Include="..\..\src\include\switch_channel.h">
       <Filter>Header Files</Filter>
     </ClInclude>
diff --git a/w32/Library/FreeSwitchCore.2015.vcxproj b/w32/Library/FreeSwitchCore.2015.vcxproj
index ac186d29cf..70c3a48dea 100644
--- a/w32/Library/FreeSwitchCore.2015.vcxproj
+++ b/w32/Library/FreeSwitchCore.2015.vcxproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup Label="ProjectConfigurations">
     <ProjectConfiguration Include="Debug|Win32">
@@ -114,7 +114,7 @@
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src\include;..\..\libs\include;..\..\libs\srtp\include;..\..\libs\srtp\crypto\include;..\..\libs\libteletone\src;..\..\libs\sqlite-amalgamation-3080401;..\..\libs\pcre-8.34;..\..\libs\speex-1.2rc1\include;..\..\libs\curl-7.35.0\include;..\..\libs\spandsp\src\msvc;..\..\libs\spandsp\src;..\..\libs\tiff-4.0.2\libtiff;..\..\libs\libzrtp\include;..\..\libs\libzrtp\third_party\bgaes;..\..\libs\libzrtp\third_party\bnlib;..\..\libs\libtpl-1.5\src;..\..\libs\libtpl-1.5\src\win;..\..\libs\openssl-$(OpenSSLVersion)\include;..\..\libs\sofia-sip\libsofia-sip-ua\sdp;..\..\libs\sofia-sip\libsofia-sip-ua\su;..\..\libs\sofia-sip\win32;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;PCRE_STATIC;STATICLIB;ENABLE_ZRTP;TPL_NOLIB;STFU_EXPORTS;LIBSOFIA_SIP_UA_STATIC;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;PCRE_STATIC;STATICLIB;ENABLE_ZRTP;TPL_NOLIB;LIBSOFIA_SIP_UA_STATIC;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -177,7 +177,7 @@ if not exist "$(OutDir)htdocs" xcopy "$(SolutionDir)htdocs\*.*" "$(OutDir)htdocs
     <ClCompile>
       <Optimization>Disabled</Optimization>
       <AdditionalIncludeDirectories>..\..\src\include;..\..\libs\include;..\..\libs\srtp\include;..\..\libs\srtp\crypto\include;..\..\libs\libteletone\src;..\..\libs\sqlite-amalgamation-3080401;..\..\libs\pcre-8.34;..\..\libs\speex-1.2rc1\include;..\..\libs\curl-7.35.0\include;..\..\libs\spandsp\src\msvc;..\..\libs\spandsp\src;..\..\libs\tiff-4.0.2\libtiff;..\..\libs\libzrtp\include;..\..\libs\libzrtp\third_party\bgaes;..\..\libs\libzrtp\third_party\bnlib;..\..\libs\libtpl-1.5\src;..\..\libs\libtpl-1.5\src\win;..\..\libs\openssl-$(OpenSSLVersion)\include;..\..\libs\sofia-sip\libsofia-sip-ua\sdp;..\..\libs\sofia-sip\libsofia-sip-ua\su;..\..\libs\sofia-sip\win32;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;PCRE_STATIC;STATICLIB;ENABLE_ZRTP;TPL_NOLIB;STFU_EXPORTS;LIBSOFIA_SIP_UA_STATIC;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;_DEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;PCRE_STATIC;STATICLIB;ENABLE_ZRTP;TPL_NOLIB;LIBSOFIA_SIP_UA_STATIC;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <MinimalRebuild>true</MinimalRebuild>
       <BasicRuntimeChecks>EnableFastChecks</BasicRuntimeChecks>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
@@ -231,7 +231,7 @@ if not exist "$(OutDir)htdocs" xcopy "$(SolutionDir)htdocs\*.*" "$(OutDir)htdocs
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <AdditionalIncludeDirectories>..\..\src\include;..\..\libs\include;..\..\libs\srtp\include;..\..\libs\srtp\crypto\include;..\..\libs\libteletone\src;..\..\libs\sqlite-amalgamation-3080401;..\..\libs\pcre-8.34;..\..\libs\speex-1.2rc1\include;..\..\libs\curl-7.35.0\include;..\..\libs\spandsp\src\msvc;..\..\libs\spandsp\src;..\..\libs\tiff-4.0.2\libtiff;..\..\libs\libzrtp\include;..\..\libs\libzrtp\third_party\bgaes;..\..\libs\libzrtp\third_party\bnlib;..\..\libs\libtpl-1.5\src;..\..\libs\libtpl-1.5\src\win;..\..\libs\openssl-$(OpenSSLVersion)\include;..\..\libs\sofia-sip\libsofia-sip-ua\sdp;..\..\libs\sofia-sip\libsofia-sip-ua\su;..\..\libs\sofia-sip\win32;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;STATICLIB;CRASH_PROT;PCRE_STATIC;ENABLE_ZRTP;TPL_NOLIB;STFU_EXPORTS;LIBSOFIA_SIP_UA_STATIC;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;STATICLIB;CRASH_PROT;PCRE_STATIC;ENABLE_ZRTP;LIBSOFIA_SIP_UA_STATIC;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <PrecompiledHeader>Create</PrecompiledHeader>
       <PrecompiledHeaderFile>switch.h</PrecompiledHeaderFile>
@@ -282,7 +282,7 @@ if not exist "$(OutDir)htdocs" xcopy "$(SolutionDir)htdocs\*.*" "$(OutDir)htdocs
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
       <AdditionalIncludeDirectories>..\..\src\include;..\..\libs\include;..\..\libs\srtp\include;..\..\libs\srtp\crypto\include;..\..\libs\libteletone\src;..\..\libs\sqlite-amalgamation-3080401;..\..\libs\pcre-8.34;..\..\libs\speex-1.2rc1\include;..\..\libs\curl-7.35.0\include;..\..\libs\spandsp\src\msvc;..\..\libs\spandsp\src;..\..\libs\tiff-4.0.2\libtiff;..\..\libs\libzrtp\include;..\..\libs\libzrtp\third_party\bgaes;..\..\libs\libzrtp\third_party\bnlib;..\..\libs\libtpl-1.5\src;..\..\libs\libtpl-1.5\src\win;..\..\libs\openssl-$(OpenSSLVersion)\include;..\..\libs\sofia-sip\libsofia-sip-ua\sdp;..\..\libs\sofia-sip\libsofia-sip-ua\su;..\..\libs\sofia-sip\win32;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;STATICLIB;CRASH_PROT;PCRE_STATIC;ENABLE_ZRTP;TPL_NOLIB;STFU_EXPORTS;LIBSOFIA_SIP_UA_STATIC;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_CRT_SECURE_NO_WARNINGS;WIN32;NDEBUG;_WINDOWS;_USRDLL;FREESWITCHCORE_EXPORTS;STATICLIB;CRASH_PROT;PCRE_STATIC;ENABLE_ZRTP;TPL_NOLIB;LIBSOFIA_SIP_UA_STATIC;HAVE_OPENSSL;HAVE_OPENSSL_DTLS_SRTP;HAVE_OPENSSL_DTLS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
       <PrecompiledHeader>Create</PrecompiledHeader>
       <PrecompiledHeaderFile>switch.h</PrecompiledHeaderFile>
@@ -363,32 +363,6 @@ if not exist "$(OutDir)htdocs" xcopy "$(SolutionDir)htdocs\*.*" "$(OutDir)htdocs
       </PrecompiledHeader>
     </ClCompile>
     <ClCompile Include="..\..\src\switch_core_video.c" />
-    <ClCompile Include="..\..\src\switch_stfu.c">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeaderFile Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-      </PrecompiledHeaderFile>
-      <PrecompiledHeaderOutputFile Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-      </PrecompiledHeaderOutputFile>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-      </PrecompiledHeader>
-      <PrecompiledHeaderFile Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-      </PrecompiledHeaderFile>
-      <PrecompiledHeaderOutputFile Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-      </PrecompiledHeaderOutputFile>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeaderFile Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-      </PrecompiledHeaderFile>
-      <PrecompiledHeaderOutputFile Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-      </PrecompiledHeaderOutputFile>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-      </PrecompiledHeader>
-      <PrecompiledHeaderFile Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-      </PrecompiledHeaderFile>
-      <PrecompiledHeaderOutputFile Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-      </PrecompiledHeaderOutputFile>
-    </ClCompile>
     <ClCompile Include="..\..\src\switch_apr.c" />
     <ClCompile Include="..\..\src\switch_buffer.c">
       <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
@@ -482,7 +456,7 @@ if not exist "$(OutDir)htdocs" xcopy "$(SolutionDir)htdocs\*.*" "$(OutDir)htdocs
     <ClCompile Include="..\..\src\switch_time.c" />
     <ClCompile Include="..\..\src\switch_utils.c" />
     <ClCompile Include="..\..\src\switch_version.c" />
-    <ClCompile Include="..\..\src\switch_vidderbuffer.c" />
+    <ClCompile Include="..\..\src\switch_jitterbuffer.c" />
     <ClCompile Include="..\..\src\switch_xml.c" />
     <ClCompile Include="..\..\src\switch_xml_config.c" />
     <ClCompile Include="..\..\libs\miniupnpc\igd_desc_parse.c">
@@ -769,7 +743,6 @@ if not exist "$(OutDir)htdocs" xcopy "$(SolutionDir)htdocs\*.*" "$(OutDir)htdocs
     <ClInclude Include="..\..\libs\miniupnpc\declspec.h" />
     <ClInclude Include="..\..\src\include\g711.h" />
     <ClInclude Include="..\..\src\include\SimpleGlob.h" />
-    <ClInclude Include="..\..\src\include\switch_stfu.h" />
     <ClInclude Include="..\..\src\include\switch.h" />
     <ClInclude Include="..\..\src\include\switch_apr.h" />
     <ClInclude Include="..\..\src\include\switch_bitpack.h" />
@@ -916,4 +889,4 @@ if not exist "$(OutDir)htdocs" xcopy "$(SolutionDir)htdocs\*.*" "$(OutDir)htdocs
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
   </ImportGroup>
-</Project>
\ No newline at end of file
+</Project>