chromium/media/base/audio_renderer_sink.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_BASE_AUDIO_RENDERER_SINK_H_
#define MEDIA_BASE_AUDIO_RENDERER_SINK_H_

#include <stdint.h>

#include <string>

#include "base/functional/callback.h"
#include "base/memory/ref_counted.h"
#include "media/base/audio_bus.h"
#include "media/base/audio_parameters.h"
#include "media/base/output_device_info.h"

namespace media {

struct AudioGlitchInfo;

// AudioRendererSink is an interface representing the end-point for
// rendered audio.  An implementation is expected to
// periodically call Render() on a callback object.

class AudioRendererSink
    : public base::RefCountedThreadSafe<media::AudioRendererSink> { … };

// Same as AudioRendererSink except that Initialize() and Start() can be called
// again after Stop().
// TODO(sandersd): Fold back into AudioRendererSink once all subclasses support
// this.

class RestartableAudioRendererSink : public AudioRendererSink { … };

class SwitchableAudioRendererSink : public RestartableAudioRendererSink { … };

}  // namespace media

#endif  // MEDIA_BASE_AUDIO_RENDERER_SINK_H_