chromium/media/audio/simple_sources.h

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_AUDIO_SIMPLE_SOURCES_H_
#define MEDIA_AUDIO_SIMPLE_SOURCES_H_

#include <stdint.h>

#include <memory>

#include "base/files/file_path.h"
#include "base/synchronization/lock.h"
#include "base/thread_annotations.h"
#include "base/time/time.h"
#include "media/audio/audio_io.h"
#include "media/base/audio_converter.h"
#include "media/base/seekable_buffer.h"

namespace media {

class WavAudioHandler;

// An audio source that produces a pure sinusoidal tone.
class MEDIA_EXPORT SineWaveAudioSource
    : public AudioOutputStream::AudioSourceCallback { … };

class MEDIA_EXPORT FileSource : public AudioOutputStream::AudioSourceCallback,
                                public AudioConverter::InputCallback { … };

class BeepingSource : public AudioOutputStream::AudioSourceCallback { … };

}  // namespace media

#endif  // MEDIA_AUDIO_SIMPLE_SOURCES_H_