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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_PUBLIC_BROWSER_AUDIO_SERVICE_H_
#define CONTENT_PUBLIC_BROWSER_AUDIO_SERVICE_H_
#include "base/callback.h"
#include "content/common/content_export.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "services/audio/public/mojom/audio_service.mojom.h"
#include "services/audio/public/mojom/stream_factory.mojom.h"
namespace media {
class AudioSystem;
}
namespace content {
// Returns the browser's main control interface into the Audio Service, which
// is started lazily and may run either in-process or in a dedicated sandboxed
// subprocess.
CONTENT_EXPORT audio::mojom::AudioService& GetAudioService();
// Creates an instance of AudioSystem for use with the Audio Service, bound to
// the thread it's used on for the first time.
CONTENT_EXPORT std::unique_ptr<media::AudioSystem>
CreateAudioSystemForAudioService();
// Returns a callback that can be invoked from any sequence to safely bind a
// StreamFactory interface receiver in the Audio Service.
using AudioServiceStreamFactoryBinder = base::RepeatingCallback<void(
mojo::PendingReceiver<audio::mojom::StreamFactory>)>;
CONTENT_EXPORT AudioServiceStreamFactoryBinder
GetAudioServiceStreamFactoryBinder();
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_AUDIO_SERVICE_H_
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