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diff --git a/webrtc/modules/video_processing/video_decimator.h b/webrtc/modules/video_processing/video_decimator.h
new file mode 100644
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+++ b/webrtc/modules/video_processing/video_decimator.h
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+/*
+ *  Copyright (c) 2011 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_VIDEO_DECIMATOR_H_
+#define WEBRTC_MODULES_VIDEO_PROCESSING_VIDEO_DECIMATOR_H_
+
+#include "webrtc/modules/include/module_common_types.h"
+#include "webrtc/typedefs.h"
+
+namespace webrtc {
+
+class VPMVideoDecimator {
+ public:
+  VPMVideoDecimator();
+  ~VPMVideoDecimator();
+
+  void Reset();
+
+  void EnableTemporalDecimation(bool enable);
+
+  void SetTargetFramerate(int frame_rate);
+
+  bool DropFrame();
+
+  void UpdateIncomingframe_rate();
+
+  // Get Decimated Frame Rate/Dimensions.
+  uint32_t GetDecimatedFrameRate();
+
+  // Get input frame rate.
+  uint32_t Inputframe_rate();
+
+ private:
+  void ProcessIncomingframe_rate(int64_t now);
+
+  enum { kFrameCountHistory_size = 90 };
+  enum { kFrameHistoryWindowMs = 2000 };
+
+  // Temporal decimation.
+  int32_t overshoot_modifier_;
+  uint32_t drop_count_;
+  uint32_t keep_count_;
+  uint32_t target_frame_rate_;
+  float incoming_frame_rate_;
+  int64_t incoming_frame_times_[kFrameCountHistory_size];
+  bool enable_temporal_decimation_;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_PROCESSING_VIDEO_DECIMATOR_H_