1 files changed, 0 insertions, 156 deletions
diff --git a/modules/video_processing/main/source/denoising.cc b/modules/video_processing/main/source/denoising.cc
deleted file mode 100644
index 4c8dcb43..00000000
--- a/modules/video_processing/main/source/denoising.cc
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- *  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.
- */
-
-#include "webrtc/modules/video_processing/main/source/denoising.h"
-
-#include <string.h>
-
-namespace webrtc {
-// Down-sampling in time (unit: number of frames)
-enum { kSubsamplingTime = 0 };
-// Sub-sampling in width (unit: power of 2.
-enum { kSubsamplingWidth = 0 };
-// Sub-sampling in height (unit: power of 2)
-enum { kSubsamplingHeight = 0 };
-// (Q8) De-noising filter parameter
-enum { kDenoiseFiltParam = 179 };
-// (Q8) 1 - filter parameter
-enum { kDenoiseFiltParamRec = 77 };
-// (Q8) De-noising threshold level
-enum { kDenoiseThreshold = 19200 };
-
-VPMDenoising::VPMDenoising()
-    : id_(0),
-      moment1_(NULL),
-      moment2_(NULL) {
-  Reset();
-}
-
-VPMDenoising::~VPMDenoising() {
-  if (moment1_) {
-    delete [] moment1_;
-    moment1_ = NULL;
-}
-
-  if (moment2_) {
-    delete [] moment2_;
-    moment2_ = NULL;
-  }
-}
-
-int32_t VPMDenoising::ChangeUniqueId(const int32_t id) {
-  id_ = id;
-  return VPM_OK;
-}
-
-void VPMDenoising::Reset() {
-  frame_size_ = 0;
-  denoise_frame_cnt_ = 0;
-
-  if (moment1_) {
-    delete [] moment1_;
-    moment1_ = NULL;
-  }
-
-  if (moment2_) {
-    delete [] moment2_;
-    moment2_ = NULL;
-  }
-}
-
-int32_t VPMDenoising::ProcessFrame(I420VideoFrame* frame) {
-  assert(frame);
-  int32_t thevar;
-  int k;
-  int jsub, ksub;
-  int32_t diff0;
-  uint32_t tmp_moment1;
-  uint32_t tmp_moment2;
-  uint32_t tmp;
-  int32_t  num_pixels_changed = 0;
-
-  if (frame->IsZeroSize()) {
-    return VPM_GENERAL_ERROR;
-  }
-
-  int width = frame->width();
-  int height = frame->height();
-
-  /* Size of luminance component */
-  const uint32_t y_size  = height * width;
-
-  /* Initialization */
-  if (y_size != frame_size_) {
-    delete [] moment1_;
-    moment1_ = NULL;
-
-    delete [] moment2_;
-    moment2_ = NULL;
-  }
-  frame_size_ = y_size;
-
-  if (!moment1_) {
-    moment1_ = new uint32_t[y_size];
-    memset(moment1_, 0, sizeof(uint32_t)*y_size);
-  }
-
-  if (!moment2_) {
-    moment2_ = new uint32_t[y_size];
-    memset(moment2_, 0, sizeof(uint32_t)*y_size);
-  }
-
-  /* Apply de-noising on each pixel, but update variance sub-sampled */
-  uint8_t* buffer = frame->buffer(kYPlane);
-  for (int i = 0; i < height; i++) {  // Collect over height
-    k = i * width;
-    ksub = ((i >> kSubsamplingHeight) << kSubsamplingHeight) * width;
-    for (int j = 0; j < width; j++) {  // Collect over width
-      jsub = ((j >> kSubsamplingWidth) << kSubsamplingWidth);
-      /* Update mean value for every pixel and every frame */
-      tmp_moment1 = moment1_[k + j];
-      tmp_moment1 *= kDenoiseFiltParam;  // Q16
-      tmp_moment1 += ((kDenoiseFiltParamRec * ((uint32_t)buffer[k + j])) << 8);
-      tmp_moment1 >>= 8;  // Q8
-      moment1_[k + j] = tmp_moment1;
-
-      tmp_moment2 = moment2_[ksub + jsub];
-      if ((ksub == k) && (jsub == j) && (denoise_frame_cnt_ == 0)) {
-        tmp = ((uint32_t)buffer[k + j] *
-              (uint32_t)buffer[k + j]);
-        tmp_moment2 *= kDenoiseFiltParam;  // Q16
-        tmp_moment2 += ((kDenoiseFiltParamRec * tmp) << 8);
-        tmp_moment2 >>= 8;  // Q8
-      }
-       moment2_[k + j] = tmp_moment2;
-      /* Current event = deviation from mean value */
-      diff0 = ((int32_t)buffer[k + j] << 8) - moment1_[k + j];
-      /* Recent events = variance (variations over time) */
-      thevar = moment2_[k + j];
-      thevar -= ((moment1_[k + j] * moment1_[k + j]) >> 8);
-      // De-noising criteria, i.e., when should we replace a pixel by its mean.
-      // 1) recent events are minor.
-      // 2) current events are minor.
-      if ((thevar < kDenoiseThreshold)
-          && ((diff0 * diff0 >> 8) < kDenoiseThreshold)) {
-        // Replace with mean.
-        buffer[k + j] = (uint8_t)(moment1_[k + j] >> 8);
-        num_pixels_changed++;
-      }
-    }
-  }
-
-  denoise_frame_cnt_++;
-  if (denoise_frame_cnt_ > kSubsamplingTime)
-    denoise_frame_cnt_ = 0;
-
-  return num_pixels_changed;
-}
-
-}  // namespace