webrtc/modules/audio_processing/level_estimator_impl.cc
Yves Gerey 988cc0870b [Cleanup] Add missing #include. Remove useless ones.
This CL is the result of running include-what-you-use tool on part
of the code base (audio target and dependencies) plus manual fixes.

bug: webrtc:8311
Change-Id: I277d281ce943c3ecc1bd45fd8d83055931743604
Reviewed-on: https://webrtc-review.googlesource.com/c/106280
Commit-Queue: Yves Gerey <yvesg@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25311}
2018-10-23 11:32:56 +00:00

70 lines
1.7 KiB
C++

/*
* 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 "modules/audio_processing/level_estimator_impl.h"
#include <stddef.h>
#include <stdint.h>
#include "api/array_view.h"
#include "modules/audio_processing/audio_buffer.h"
#include "modules/audio_processing/rms_level.h"
#include "rtc_base/checks.h"
namespace webrtc {
LevelEstimatorImpl::LevelEstimatorImpl(rtc::CriticalSection* crit)
: crit_(crit), rms_(new RmsLevel()) {
RTC_DCHECK(crit);
}
LevelEstimatorImpl::~LevelEstimatorImpl() {}
void LevelEstimatorImpl::Initialize() {
rtc::CritScope cs(crit_);
rms_->Reset();
}
void LevelEstimatorImpl::ProcessStream(AudioBuffer* audio) {
RTC_DCHECK(audio);
rtc::CritScope cs(crit_);
if (!enabled_) {
return;
}
for (size_t i = 0; i < audio->num_channels(); i++) {
rms_->Analyze(rtc::ArrayView<const int16_t>(audio->channels_const()[i],
audio->num_frames()));
}
}
int LevelEstimatorImpl::Enable(bool enable) {
rtc::CritScope cs(crit_);
if (enable && !enabled_) {
rms_->Reset();
}
enabled_ = enable;
return AudioProcessing::kNoError;
}
bool LevelEstimatorImpl::is_enabled() const {
rtc::CritScope cs(crit_);
return enabled_;
}
int LevelEstimatorImpl::RMS() {
rtc::CritScope cs(crit_);
if (!enabled_) {
return AudioProcessing::kNotEnabledError;
}
return rms_->Average();
}
} // namespace webrtc