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/*
* 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 WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_AUDIO_FRAME_MANIPULATOR_H_
#define WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_AUDIO_FRAME_MANIPULATOR_H_
#include "webrtc/typedefs.h"
namespace webrtc {
class AudioFrame;
// Updates the audioFrame's energy (based on its samples).
uint32_t CalculateEnergy(const AudioFrame& audioFrame);
// Apply linear step function that ramps in/out the audio samples in audioFrame
void RampIn(AudioFrame& audioFrame);
void RampOut(AudioFrame& audioFrame);
} // namespace webrtc
#endif // WEBRTC_MODULES_AUDIO_CONFERENCE_MIXER_SOURCE_AUDIO_FRAME_MANIPULATOR_H_