libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_aq_variance.h

Index: source/libvpx/vp9/encoder/vp9_aq_variance.h
===================================================================
--- source/libvpx/vp9/encoder/vp9_aq_variance.h	(revision 0)
+++ source/libvpx/vp9/encoder/vp9_aq_variance.h	(revision 0)
@@ -0,0 +1,34 @@
+/*
+ *  Copyright (c) 2013 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_ENCODER_VP9_AQ_VARIANCE_H_
+#define VP9_ENCODER_VP9_AQ_VARIANCE_H_
+
+#include "vp9/encoder/vp9_onyx_int.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+unsigned int vp9_vaq_segment_id(int energy);
+double vp9_vaq_rdmult_ratio(int energy);
+double vp9_vaq_inv_q_ratio(int energy);
+
+void vp9_vaq_init();
+void vp9_vaq_frame_setup(VP9_COMP *cpi);
+
+int vp9_block_energy(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bs);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // VP9_ENCODER_VP9_AQ_VARIANCE_H_