rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/tools/agc/test_utils.h

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1.0 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.
*/
#ifndef WEBRTC_TOOLS_AGC_TEST_UTILS_H_
#define WEBRTC_TOOLS_AGC_TEST_UTILS_H_
namespace webrtc {
class AudioFrame;
float MicLevel2Gain(int gain_range_db, int level);
float Db2Linear(float db);
void ApplyGainLinear(float gain, float last_gain, AudioFrame* frame);
void ApplyGain(float gain_db, float last_gain_db, AudioFrame* frame);
void SimulateMic(int gain_range_db, int mic_level, int last_mic_level,
AudioFrame* frame);
void SimulateMic(int gain_map[255], int mic_level, int last_mic_level,
AudioFrame* frame);
} // namespace webrtc
#endif // WEBRTC_TOOLS_AGC_TEST_UTILS_H_