Delete bandwidthsmoother.h.

webrtc/base/bandwidthsmoother.cc

Index: webrtc/base/bandwidthsmoother.cc
diff --git a/webrtc/base/bandwidthsmoother.cc b/webrtc/base/bandwidthsmoother.cc
deleted file mode 100644
index d48c12e6c65428251593339e432792a097009f67..0000000000000000000000000000000000000000
--- a/webrtc/base/bandwidthsmoother.cc
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- *  Copyright 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.
- */
-
-#include "webrtc/base/bandwidthsmoother.h"
-
-#include <limits.h>
-#include <algorithm>
-
-namespace rtc {
-
-BandwidthSmoother::BandwidthSmoother(int initial_bandwidth_guess,
-                                     uint32_t time_between_increase,
-                                     double percent_increase,
-                                     size_t samples_count_to_average,
-                                     double min_sample_count_percent)
-    : time_between_increase_(time_between_increase),
-      percent_increase_(std::max(1.0, percent_increase)),
-      time_at_last_change_(0),
-      bandwidth_estimation_(initial_bandwidth_guess),
-      accumulator_(samples_count_to_average),
-      min_sample_count_percent_(
-          std::min(1.0, std::max(0.0, min_sample_count_percent))) {
-}
-
-BandwidthSmoother::~BandwidthSmoother() = default;
-
-// Samples a new bandwidth measurement
-// returns true if the bandwidth estimation changed
-bool BandwidthSmoother::Sample(uint32_t sample_time, int bandwidth) {
-  if (bandwidth < 0) {
-    return false;
-  }
-
-  accumulator_.AddSample(bandwidth);
-
-  if (accumulator_.count() < static_cast<size_t>(
-          accumulator_.max_count() * min_sample_count_percent_)) {
-    // We have not collected enough samples yet.
-    return false;
-  }
-
-  // Replace bandwidth with the mean of sampled bandwidths.
-  const int mean_bandwidth = static_cast<int>(accumulator_.ComputeMean());
-
-  if (mean_bandwidth < bandwidth_estimation_) {
-    time_at_last_change_ = sample_time;
-    bandwidth_estimation_ = mean_bandwidth;
-    return true;
-  }
-
-  const int old_bandwidth_estimation = bandwidth_estimation_;
-  const double increase_threshold_d = percent_increase_ * bandwidth_estimation_;
-  if (increase_threshold_d > INT_MAX) {
-    // If bandwidth goes any higher we would overflow.
-    return false;
-  }
-
-  const int increase_threshold = static_cast<int>(increase_threshold_d);
-  if (mean_bandwidth < increase_threshold) {
-    time_at_last_change_ = sample_time;
-    // The value of bandwidth_estimation remains the same if we don't exceed
-    // percent_increase_ * bandwidth_estimation_ for at least
-    // time_between_increase_ time.
-  } else if (sample_time >= time_at_last_change_ + time_between_increase_) {
-    time_at_last_change_ = sample_time;
-    if (increase_threshold == 0) {
-      // Bandwidth_estimation_ must be zero. Assume a jump from zero to a
-      // positive bandwidth means we have regained connectivity.
-      bandwidth_estimation_ = mean_bandwidth;
-    } else {
-      bandwidth_estimation_ = increase_threshold;
-    }
-  }
-  // Else don't make a change.
-
-  return old_bandwidth_estimation != bandwidth_estimation_;
-}
-
-}  // namespace rtc