webrtc/modules/audio_mixer/sine_wave_generator.h
Mirko Bonadei 92ea95e34a Fixing WebRTC after moving from src/webrtc to src/
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC
from src/webrtc to src/ (in order to preserve an healthy git history).
This CL takes care of fixing header guards, #include paths, etc...

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org


Bug: chromium:611808
Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578
Reviewed-on: https://webrtc-review.googlesource.com/1561
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19846}
2017-09-15 05:02:56 +00:00

38 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 "modules/include/module_common_types.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_