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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_STREAM_HANDLE_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_STREAM_HANDLE_H_
#include "base/functional/callback.h"
#include "base/sequence_checker.h"
#include "content/common/content_export.h"
#include "media/mojo/mojom/audio_data_pipe.mojom.h"
#include "media/mojo/mojom/audio_input_stream.mojom.h"
#include "media/mojo/services/mojo_audio_input_stream.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "mojo/public/cpp/system/buffer.h"
#include "mojo/public/cpp/system/handle.h"
#include "third_party/blink/public/mojom/media/renderer_audio_input_stream_factory.mojom.h"
namespace content {
// This class creates a MojoAudioInputStream and forwards the OnCreated event
// to a RendererAudioInputStreamFactoryClient.
class CONTENT_EXPORT AudioInputStreamHandle {
public:
using DeleterCallback = base::OnceCallback<void(AudioInputStreamHandle*)>;
// |deleter_callback| will be called when encountering an error, in which
// case |this| should be synchronously destructed by its owner.
AudioInputStreamHandle(
mojo::PendingRemote<blink::mojom::RendererAudioInputStreamFactoryClient>
client_pending_remote,
media::MojoAudioInputStream::CreateDelegateCallback
create_delegate_callback,
DeleterCallback deleter_callback);
AudioInputStreamHandle(const AudioInputStreamHandle&) = delete;
AudioInputStreamHandle& operator=(const AudioInputStreamHandle&) = delete;
~AudioInputStreamHandle();
const base::UnguessableToken& id() const { return stream_id_; }
void SetOutputDeviceForAec(const std::string& raw_output_device_id);
private:
void OnCreated(media::mojom::ReadWriteAudioDataPipePtr, bool initially_muted);
void CallDeleter();
SEQUENCE_CHECKER(sequence_checker_);
const base::UnguessableToken stream_id_;
DeleterCallback deleter_callback_;
mojo::Remote<blink::mojom::RendererAudioInputStreamFactoryClient>
client_remote_;
mojo::PendingRemote<media::mojom::AudioInputStream> pending_stream_;
mojo::PendingReceiver<media::mojom::AudioInputStreamClient>
pending_stream_client_;
media::MojoAudioInputStream stream_;
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_STREAM_HANDLE_H_
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