1 /*
2  *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
3  *
4  *  Use of this source code is governed by a BSD-style license
5  *  that can be found in the LICENSE file in the root of the source
6  *  tree. An additional intellectual property rights grant can be found
7  *  in the file PATENTS.  All contributing project authors may
8  *  be found in the AUTHORS file in the root of the source tree.
9  */
10 
11 #include "modules/audio_processing/level_estimator.h"
12 
13 #include "api/array_view.h"
14 
15 namespace webrtc {
16 
LevelEstimator()17 LevelEstimator::LevelEstimator() {
18   rms_.Reset();
19 }
20 
21 LevelEstimator::~LevelEstimator() = default;
22 
ProcessStream(const AudioBuffer & audio)23 void LevelEstimator::ProcessStream(const AudioBuffer& audio) {
24   for (size_t i = 0; i < audio.num_channels(); i++) {
25     rms_.Analyze(rtc::ArrayView<const float>(audio.channels_const()[i],
26                                              audio.num_frames()));
27   }
28 }
29 }  // namespace webrtc
30