Initial import.

1 files changed, 86 insertions, 0 deletions

diff --git a/chromium/third_party/webrtc/modules/video_processing/main/source/frame_preprocessor.h b/chromium/third_party/webrtc/modules/video_processing/main/source/frame_preprocessor.h
new file mode 100644
index 00000000000..f2d94a23980
--- /dev/null
+++ b/chromium/third_party/webrtc/modules/video_processing/main/source/frame_preprocessor.h
@@ -0,0 +1,86 @@
+/*
+ *  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.
+ */
+
+/*
+ * frame_preprocessor.h
+ */
+#ifndef VPM_FRAME_PREPROCESSOR_H
+#define VPM_FRAME_PREPROCESSOR_H
+
+#include "webrtc/modules/video_processing/main/interface/video_processing.h"
+#include "webrtc/modules/video_processing/main/source/content_analysis.h"
+#include "webrtc/modules/video_processing/main/source/spatial_resampler.h"
+#include "webrtc/modules/video_processing/main/source/video_decimator.h"
+#include "webrtc/typedefs.h"
+
+namespace webrtc {
+
+
+class VPMFramePreprocessor
+{
+public:
+
+    VPMFramePreprocessor();
+    ~VPMFramePreprocessor();
+
+    int32_t ChangeUniqueId(const int32_t 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
+    int32_t SetMaxFrameRate(uint32_t maxFrameRate);
+
+    //Set target resolution: frame rate and dimension
+    int32_t SetTargetResolution(uint32_t width, uint32_t height,
+                                uint32_t frameRate);
+
+    //Update incoming frame rate/dimension
+    void UpdateIncomingFrameRate();
+
+    int32_t updateIncomingFrameSize(uint32_t width, uint32_t height);
+
+    //Set decimated values: frame rate/dimension
+    uint32_t DecimatedFrameRate();
+    uint32_t DecimatedWidth() const;
+    uint32_t DecimatedHeight() const;
+
+    //Preprocess output:
+    int32_t PreprocessFrame(const I420VideoFrame& frame,
+                            I420VideoFrame** processedFrame);
+    VideoContentMetrics* ContentMetrics() const;
+
+private:
+    // The content does not change so much every frame, so to reduce complexity
+    // we can compute new content metrics every |kSkipFrameCA| frames.
+    enum { kSkipFrameCA = 2 };
+
+    int32_t              _id;
+    VideoContentMetrics*      _contentMetrics;
+    uint32_t             _maxFrameRate;
+    I420VideoFrame           _resampledFrame;
+    VPMSpatialResampler*     _spatialResampler;
+    VPMContentAnalysis*      _ca;
+    VPMVideoDecimator*       _vd;
+    bool                     _enableCA;
+    int                      _frameCnt;
+    
+}; // end of VPMFramePreprocessor class definition
+
+}  // namespace
+
+#endif // VPM_FRAME_PREPROCESS_H