Hooking up audio network adaptor to VoE.

webrtc/voice_engine/network_predictor.cc

-/*
- *  Copyright (c) 2014 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/voice_engine/network_predictor.h"
-
-namespace webrtc {
-namespace voe {
-
-NetworkPredictor::NetworkPredictor(Clock* clock)
-    : clock_(clock),
-      last_loss_rate_update_time_ms_(clock_->TimeInMilliseconds()),
-      loss_rate_filter_(new rtc::ExpFilter(0.9999f)) {
-}
-
-uint8_t NetworkPredictor::GetLossRate() {
-  float value = loss_rate_filter_->filtered();
-  return (value == rtc::ExpFilter::kValueUndefined) ? 0 :
-      static_cast<uint8_t>(value + 0.5);
-}
-
-void NetworkPredictor::UpdatePacketLossRate(uint8_t loss_rate) {
-  int64_t now_ms = clock_->TimeInMilliseconds();
-  // Update the recursive average filter.
-  loss_rate_filter_->Apply(
-      static_cast<float>(now_ms - last_loss_rate_update_time_ms_),
-      static_cast<float>(loss_rate));
-  last_loss_rate_update_time_ms_ = now_ms;
-}
-
-}  // namespace voe
-}  // namespace webrtc