chromium/third_party/webrtc/audio/audio_level.h

/*
 *  Copyright (c) 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.
 */

#ifndef AUDIO_AUDIO_LEVEL_H_
#define AUDIO_AUDIO_LEVEL_H_

#include "rtc_base/synchronization/mutex.h"
#include "rtc_base/thread_annotations.h"

namespace webrtc {

class AudioFrame;
namespace voe {

// This class is thread-safe. However, TotalEnergy() and TotalDuration() are
// related, so if you call ComputeLevel() on a different thread than you read
// these values, you still need to use lock to read them as a pair.
class AudioLevel { … };

}  // namespace voe
}  // namespace webrtc

#endif  // AUDIO_AUDIO_LEVEL_H_