chromium/third_party/blink/renderer/modules/mediacapturefromelement/html_audio_element_capturer_source.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIACAPTUREFROMELEMENT_HTML_AUDIO_ELEMENT_CAPTURER_SOURCE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIACAPTUREFROMELEMENT_HTML_AUDIO_ELEMENT_CAPTURER_SOURCE_H_

#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/thread_checker.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_audio_source.h"

namespace blink {
class WebMediaPlayer;
class WebAudioSourceProviderImpl;
}  // namespace blink

namespace media {
class AudioBus;
}  // namespace media

namespace blink {

// This class is a blink::MediaStreamAudioSource that registers to the
// constructor- passed weak WebAudioSourceProviderImpl to receive a copy of the
// audio data intended for rendering. This copied data is received on
// OnAudioBus() and sent to all the registered Tracks.
class MODULES_EXPORT HtmlAudioElementCapturerSource final
    : public blink::MediaStreamAudioSource { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIACAPTUREFROMELEMENT_HTML_AUDIO_ELEMENT_CAPTURER_SOURCE_H_