Standalone denoiser (off by default).

webrtc/modules/video_processing/frame_preprocessor.h

Index: webrtc/modules/video_processing/frame_preprocessor.h
diff --git a/webrtc/modules/video_processing/frame_preprocessor.h b/webrtc/modules/video_processing/frame_preprocessor.h
index c5313b406680b6768d374ce849909ed9830028df..de95c4e3d73af1877add58ff02b7cbbae2b3941c 100644
--- a/webrtc/modules/video_processing/frame_preprocessor.h
+++ b/webrtc/modules/video_processing/frame_preprocessor.h
@@ -18,6 +18,7 @@
 #include "webrtc/modules/video_processing/content_analysis.h"
 #include "webrtc/modules/video_processing/spatial_resampler.h"
 #include "webrtc/modules/video_processing/video_decimator.h"
+#include "webrtc/modules/video_processing/video_denoiser.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
@@ -65,11 +66,14 @@ class VPMFramePreprocessor {
   enum { kSkipFrameCA = 2 };
 
   VideoContentMetrics* content_metrics_;
+  VideoFrame denoised_frame_;
   VideoFrame resampled_frame_;
   VPMSpatialResampler* spatial_resampler_;
   VPMContentAnalysis* ca_;
   VPMVideoDecimator* vd_;
+  VideoDenoiser* vdn_;

[stefan-webrtc, 2015/11/23 10:12:53]

I would prefer to call this video_denoiser_ instead.

[jackychen, 2015/11/23 19:44:59]

Done.

   bool enable_ca_;
+  bool enable_denoise_;

[stefan-webrtc, 2015/11/23 10:12:52]

enable_denoising_

[jackychen, 2015/11/23 19:44:59]

Done.

   int frame_cnt_;
 
 };