| /* |
| * 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_ |
| |
| namespace webrtc { |
| class AudioFrame; |
| |
| // Updates the audioFrame's energy (based on its samples). |
| void CalculateEnergy(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_ |