webrtc/modules/audio_processing/level_estimator_impl.cc
Mirko Bonadei 92ea95e34a Fixing WebRTC after moving from src/webrtc to src/
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
2017-09-15 05:02:56 +00:00

66 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 "api/array_view.h"
#include "modules/audio_processing/audio_buffer.h"
#include "modules/audio_processing/rms_level.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