Move src/ -> webrtc/

TBR=niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/915006

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2963 4adac7df-926f-26a2-2b94-8c16560cd09d

webrtc/modules/video_processing/main/source/deflickering.h

@@ -0,0 +1,66 @@
+/*
+ *  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.
+ */
+
+/*
+ * deflickering.h
+ */
+
+#ifndef VPM_DEFLICKERING_H
+#define VPM_DEFLICKERING_H
+
+#include "typedefs.h"
+#include "video_processing.h"
+
+#include <cstring>  // NULL
+
+namespace webrtc {
+
+class VPMDeflickering
+{
+public:
+    VPMDeflickering();
+    ~VPMDeflickering();
+
+    WebRtc_Word32 ChangeUniqueId(WebRtc_Word32 id);
+
+    void Reset();
+
+    WebRtc_Word32 ProcessFrame(VideoFrame* frame,
+                               VideoProcessingModule::FrameStats* stats);
+private:
+    WebRtc_Word32 PreDetection(WebRtc_UWord32 timestamp,
+                               const VideoProcessingModule::FrameStats& stats);
+
+    WebRtc_Word32 DetectFlicker();
+
+    enum { kMeanBufferLength = 32 };
+    enum { kFrameHistorySize = 15 };
+    enum { kNumProbs = 12 };
+    enum { kNumQuants = kNumProbs + 2 };
+    enum { kMaxOnlyLength = 5 };
+
+    WebRtc_Word32 _id;
+
+    WebRtc_UWord32  _meanBufferLength;
+    WebRtc_UWord8   _detectionState;    // 0: No flickering
+                                      // 1: Flickering detected
+                                      // 2: In flickering
+    WebRtc_Word32    _meanBuffer[kMeanBufferLength];
+    WebRtc_UWord32   _timestampBuffer[kMeanBufferLength];
+    WebRtc_UWord32   _frameRate;
+    static const WebRtc_UWord16 _probUW16[kNumProbs];
+    static const WebRtc_UWord16 _weightUW16[kNumQuants - kMaxOnlyLength];
+    WebRtc_UWord8 _quantHistUW8[kFrameHistorySize][kNumQuants];
+};
+
+} //namespace
+
+#endif // VPM_DEFLICKERING_H
+