diff -Nru mythtv-0.27.1+fixes.20140624.aa822f5/debian/changelog mythtv-0.27.1+fixes.20140624.aa822f5/debian/changelog
--- mythtv-0.27.1+fixes.20140624.aa822f5/debian/changelog	2016-01-07 01:05:30.000000000 +0000
+++ mythtv-0.27.1+fixes.20140624.aa822f5/debian/changelog	2016-01-07 15:45:54.000000000 +0000
@@ -1,3 +1,10 @@
+mythtv (2:0.27.1+fixes.20140624.aa822f5-0ubuntu9) xenial; urgency=medium
+
+  * Remove some unused control mappings from libvpxenc which are no longer
+    available in libvpx3.
+
+ -- Colin Watson <cjwatson@ubuntu.com>  Thu, 07 Jan 2016 15:45:53 +0000
+
 mythtv (2:0.27.1+fixes.20140624.aa822f5-0ubuntu8) xenial; urgency=medium
 
   * Rebuild against libvpx3.
diff -Nru mythtv-0.27.1+fixes.20140624.aa822f5/debian/patches/remove-unused-vp8-controls.patch mythtv-0.27.1+fixes.20140624.aa822f5/debian/patches/remove-unused-vp8-controls.patch
--- mythtv-0.27.1+fixes.20140624.aa822f5/debian/patches/remove-unused-vp8-controls.patch	1970-01-01 00:00:00.000000000 +0000
+++ mythtv-0.27.1+fixes.20140624.aa822f5/debian/patches/remove-unused-vp8-controls.patch	2016-01-07 15:45:05.000000000 +0000
@@ -0,0 +1,22 @@
+Description: libvpxenc: remove some unused control id mappings
+ Based on
+ https://github.com/FFmpeg/FFmpeg/commit/4d05e9392f84702e3c833efa86e84c7f1cf5f612,
+ though reduced.
+Author: Colin Watson <cjwatson@ubuntu.com>
+Forwarded: no
+Last-Update: 2016-01-07
+
+Index: b/mythtv/external/FFmpeg/libavcodec/libvpxenc.c
+===================================================================
+--- a/mythtv/external/FFmpeg/libavcodec/libvpxenc.c
++++ b/mythtv/external/FFmpeg/libavcodec/libvpxenc.c
+@@ -87,9 +87,6 @@
+ 
+ /** String mappings for enum vp8e_enc_control_id */
+ static const char *const ctlidstr[] = {
+-    [VP8E_UPD_ENTROPY]           = "VP8E_UPD_ENTROPY",
+-    [VP8E_UPD_REFERENCE]         = "VP8E_UPD_REFERENCE",
+-    [VP8E_USE_REFERENCE]         = "VP8E_USE_REFERENCE",
+     [VP8E_SET_ROI_MAP]           = "VP8E_SET_ROI_MAP",
+     [VP8E_SET_ACTIVEMAP]         = "VP8E_SET_ACTIVEMAP",
+     [VP8E_SET_SCALEMODE]         = "VP8E_SET_SCALEMODE",
diff -Nru mythtv-0.27.1+fixes.20140624.aa822f5/debian/patches/series mythtv-0.27.1+fixes.20140624.aa822f5/debian/patches/series
--- mythtv-0.27.1+fixes.20140624.aa822f5/debian/patches/series	2014-07-31 03:03:40.000000000 +0000
+++ mythtv-0.27.1+fixes.20140624.aa822f5/debian/patches/series	2016-01-07 15:45:21.000000000 +0000
@@ -9,3 +9,4 @@
 configure_mythplugins_without_mythtv_installed.patch
 avoid_bswap_conflict.patch
 ppc64el-abiv2.patch
+remove-unused-vp8-controls.patch