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

modules/video_processing/main/source/frame_preprocessor.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.
+ */
+
+/*
+ * frame_preprocessor.h
+ */
+#ifndef VPM_FRAME_PREPROCESSOR_H
+#define VPM_FRAME_PREPROCESSOR_H
+
+#include "typedefs.h"
+#include "video_processing.h"
+#include "content_analysis.h"
+#include "spatial_resampler.h"
+#include "video_decimator.h"
+
+namespace webrtc {
+
+
+class VPMFramePreprocessor
+{
+public:
+
+    VPMFramePreprocessor();
+    ~VPMFramePreprocessor();
+
+    WebRtc_Word32 ChangeUniqueId(const WebRtc_Word32 id);
+
+    void Reset();
+
+    // Enable temporal decimation
+    void EnableTemporalDecimation(bool enable);
+
+    void SetInputFrameResampleMode(VideoFrameResampling resamplingMode);
+
+    //Enable content analysis
+    void EnableContentAnalysis(bool enable);
+
+    //Set max frame rate
+    WebRtc_Word32 SetMaxFrameRate(WebRtc_UWord32 maxFrameRate);
+
+    //Set target resolution: frame rate and dimension
+    WebRtc_Word32 SetTargetResolution(WebRtc_UWord32 width, WebRtc_UWord32 height, WebRtc_UWord32 frameRate);
+
+    //Update incoming frame rate/dimension
+    void UpdateIncomingFrameRate();
+
+    WebRtc_Word32 updateIncomingFrameSize(WebRtc_UWord32 width, WebRtc_UWord32 height);
+
+    //Set decimated values: frame rate/dimension
+    WebRtc_UWord32 DecimatedFrameRate();
+    WebRtc_UWord32 DecimatedWidth() const;
+    WebRtc_UWord32 DecimatedHeight() const;
+
+    //Preprocess output:
+    WebRtc_Word32 PreprocessFrame(const VideoFrame* frame, VideoFrame** processedFrame);
+    VideoContentMetrics* ContentMetrics() const;
+
+private:
+
+    WebRtc_Word32              _id;
+    VideoContentMetrics*      _contentMetrics;
+    WebRtc_UWord32             _nativeHeight;
+    WebRtc_UWord32             _nativeWidth;
+    WebRtc_UWord32             _maxFrameRate;
+    VideoFrame           _resampledFrame;
+    VPMSpatialResampler*     _spatialResampler;
+    VPMContentAnalysis*      _ca;
+    VPMVideoDecimator*       _vd;
+    bool                     _enableCA;
+    
+}; // end of VPMFramePreprocessor class definition
+
+} //namespace
+
+#endif // VPM_FRAME_PREPROCESS_H