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diff --git a/webrtc/modules/video_processing/spatial_resampler.h b/webrtc/modules/video_processing/spatial_resampler.h
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+++ b/webrtc/modules/video_processing/spatial_resampler.h
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+/*
+ *  Copyright (c) 2012 The WebRTC 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 WEBRTC_MODULES_VIDEO_PROCESSING_SPATIAL_RESAMPLER_H_
+#define WEBRTC_MODULES_VIDEO_PROCESSING_SPATIAL_RESAMPLER_H_
+
+#include "webrtc/typedefs.h"
+
+#include "webrtc/modules/include/module_common_types.h"
+#include "webrtc/modules/video_processing/include/video_processing_defines.h"
+
+#include "webrtc/common_video/libyuv/include/scaler.h"
+#include "webrtc/common_video/libyuv/include/webrtc_libyuv.h"
+
+namespace webrtc {
+
+class VPMSpatialResampler {
+ public:
+  virtual ~VPMSpatialResampler() {}
+  virtual int32_t SetTargetFrameSize(int32_t width, int32_t height) = 0;
+  virtual void SetInputFrameResampleMode(
+      VideoFrameResampling resampling_mode) = 0;
+  virtual void Reset() = 0;
+  virtual int32_t ResampleFrame(const VideoFrame& inFrame,
+                                VideoFrame* outFrame) = 0;
+  virtual int32_t TargetWidth() = 0;
+  virtual int32_t TargetHeight() = 0;
+  virtual bool ApplyResample(int32_t width, int32_t height) = 0;
+};
+
+class VPMSimpleSpatialResampler : public VPMSpatialResampler {
+ public:
+  VPMSimpleSpatialResampler();
+  ~VPMSimpleSpatialResampler();
+  virtual int32_t SetTargetFrameSize(int32_t width, int32_t height);
+  virtual void SetInputFrameResampleMode(VideoFrameResampling resampling_mode);
+  virtual void Reset();
+  virtual int32_t ResampleFrame(const VideoFrame& inFrame,
+                                VideoFrame* outFrame);
+  virtual int32_t TargetWidth();
+  virtual int32_t TargetHeight();
+  virtual bool ApplyResample(int32_t width, int32_t height);
+
+ private:
+  VideoFrameResampling resampling_mode_;
+  int32_t target_width_;
+  int32_t target_height_;
+  Scaler scaler_;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_PROCESSING_SPATIAL_RESAMPLER_H_