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1 /* | |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #ifndef WEBRTC_MODULES_AUDIO_PROCESSING_AGC2_DIGITAL_GAIN_APPLIER_H_ | |
12 #define WEBRTC_MODULES_AUDIO_PROCESSING_AGC2_DIGITAL_GAIN_APPLIER_H_ | |
13 | |
14 #include "webrtc/api/array_view.h" | |
15 #include "webrtc/modules/audio_processing/audio_buffer.h" | |
16 | |
17 namespace webrtc { | |
18 | |
19 class DigitalGainApplier { | |
20 public: | |
21 DigitalGainApplier(); | |
22 | |
23 // Applies the specified gain to an array of samples. | |
24 void Process(float gain, rtc::ArrayView<float> samples); | |
25 | |
26 private: | |
27 void LimitToAllowedRange(rtc::ArrayView<float> x); | |
28 }; | |
29 | |
30 } // namespace webrtc | |
31 | |
32 #endif // WEBRTC_MODULES_AUDIO_PROCESSING_AGC2_DIGITAL_GAIN_APPLIER_H_ | |
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