Standalone denoiser (off by default).

webrtc/modules/video_processing/util/denoiser_filter_neon.h

Index: webrtc/modules/video_processing/util/denoiser_filter_neon.h
diff --git a/webrtc/modules/video_processing/util/denoiser_filter_neon.h b/webrtc/modules/video_processing/util/denoiser_filter_neon.h
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index 0000000000000000000000000000000000000000..bc87ba788e8bcd5551d228a58570f1868479c958
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+/*
+ *  Copyright (c) 2015 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_UTIL_DENOISER_FILTER_NEON_H_
+#define WEBRTC_MODULES_VIDEO_PROCESSING_UTIL_DENOISER_FILTER_NEON_H_
+
+#include "webrtc/modules/video_processing/util/denoiser_filter.h"
+
+namespace webrtc {
+
+class DenoiserFilterNEON : public DenoiserFilter {
+ public:
+  DenoiserFilterNEON() {}
+  void CopyMem16x16(const uint8_t* src,
+                    int src_stride,
+                    uint8_t* dst,
+                    int dst_stride) override;
+  void CopyMem8x8(const uint8_t* src,
+                  int src_stride,
+                  uint8_t* dst,
+                  int dst_stride) override;
+  uint32_t Variance16x8(const uint8_t* a,
+                        int a_stride,
+                        const uint8_t* b,
+                        int b_stride,
+                        unsigned int* sse) override;
+  DenoiserDecision MbDenoise(uint8_t* mc_running_avg_y,
+                             int mc_avg_y_stride,
+                             uint8_t* running_avg_y,
+                             int avg_y_stride,
+                             const uint8_t* sig,
+                             int sig_stride,
+                             uint8_t motion_magnitude,
+                             int increase_denoising) override;
+};
+
+}  // namespace webrtc
+
+#endif  // WEBRTC_MODULES_VIDEO_PROCESSING_UTIL_DENOISER_FILTER_NEON_H_