OLD | NEW |
1 /* | 1 /* |
2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_ | 11 #ifndef WEBRTC_MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_ |
12 #define WEBRTC_MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_ | 12 #define WEBRTC_MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_ |
13 | 13 |
14 #include "webrtc/base/checks.h" | |
15 #include "webrtc/modules/include/module_common_types.h" | 14 #include "webrtc/modules/include/module_common_types.h" |
| 15 #include "webrtc/rtc_base/checks.h" |
16 | 16 |
17 namespace webrtc { | 17 namespace webrtc { |
18 | 18 |
19 class SineWaveGenerator { | 19 class SineWaveGenerator { |
20 public: | 20 public: |
21 SineWaveGenerator(float wave_frequency_hz, int16_t amplitude) | 21 SineWaveGenerator(float wave_frequency_hz, int16_t amplitude) |
22 : wave_frequency_hz_(wave_frequency_hz), amplitude_(amplitude) { | 22 : wave_frequency_hz_(wave_frequency_hz), amplitude_(amplitude) { |
23 RTC_DCHECK_GT(wave_frequency_hz, 0); | 23 RTC_DCHECK_GT(wave_frequency_hz, 0); |
24 } | 24 } |
25 | 25 |
26 // Produces appropriate output based on frame->num_channels_, | 26 // Produces appropriate output based on frame->num_channels_, |
27 // frame->sample_rate_hz_. | 27 // frame->sample_rate_hz_. |
28 void GenerateNextFrame(AudioFrame* frame); | 28 void GenerateNextFrame(AudioFrame* frame); |
29 | 29 |
30 private: | 30 private: |
31 float phase_ = 0.f; | 31 float phase_ = 0.f; |
32 const float wave_frequency_hz_; | 32 const float wave_frequency_hz_; |
33 const int16_t amplitude_; | 33 const int16_t amplitude_; |
34 }; | 34 }; |
35 | 35 |
36 } // namespace webrtc | 36 } // namespace webrtc |
37 | 37 |
38 #endif // WEBRTC_MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_ | 38 #endif // WEBRTC_MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_ |
OLD | NEW |