webrtc_m130/modules/audio_mixer/sine_wave_generator.h
Fredrik Solenberg bbf21a3fd6 Remove dependencies on modules:module_api from AudioProcessing.
- Directly include api/audio/audio_frame.h everywhere AudioFrame is used.
- This *will* remove transient dependencies on libjpeg and a bunch of other things from the e.g. APM.
- audio_frame.h still included from module_common_types.h for backwards compatibility with clients.

Bug: webrtc:9139, webrtc:7504
Change-Id: Id96f9268c01667fbcc29a01f5c1dd25a37836897
Reviewed-on: https://webrtc-review.googlesource.com/62464
Commit-Queue: Fredrik Solenberg <solenberg@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22845}
2018-04-12 22:05:27 +00:00

39 lines
1.1 KiB
C++

/*
* Copyright (c) 2017 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 MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_
#define MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_
#include "api/audio/audio_frame.h"
#include "rtc_base/checks.h"
namespace webrtc {
class SineWaveGenerator {
public:
SineWaveGenerator(float wave_frequency_hz, int16_t amplitude)
: wave_frequency_hz_(wave_frequency_hz), amplitude_(amplitude) {
RTC_DCHECK_GT(wave_frequency_hz, 0);
}
// Produces appropriate output based on frame->num_channels_,
// frame->sample_rate_hz_.
void GenerateNextFrame(AudioFrame* frame);
private:
float phase_ = 0.f;
const float wave_frequency_hz_;
const int16_t amplitude_;
};
} // namespace webrtc
#endif // MODULES_AUDIO_MIXER_SINE_WAVE_GENERATOR_H_