diff -r 000000000000 -r 6474c204b198 media/libvpx/vp9/common/vp9_quant_common.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/media/libvpx/vp9/common/vp9_quant_common.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,28 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef VP9_COMMON_VP9_QUANT_COMMON_H_
+#define VP9_COMMON_VP9_QUANT_COMMON_H_
+
+#include "vp9/common/vp9_blockd.h"
+
+#define MINQ 0
+#define MAXQ 255
+#define QINDEX_RANGE (MAXQ - MINQ + 1)
+#define QINDEX_BITS 8
+
+void vp9_init_quant_tables();
+
+int16_t vp9_dc_quant(int qindex, int delta);
+int16_t vp9_ac_quant(int qindex, int delta);
+
+int vp9_get_qindex(struct segmentation *seg, int segment_id, int base_qindex);
+
+#endif  // VP9_COMMON_VP9_QUANT_COMMON_H_