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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_MIRRORING_SERVICE_CAPTURED_AUDIO_INPUT_H_
#define COMPONENTS_MIRRORING_SERVICE_CAPTURED_AUDIO_INPUT_H_
#include <string_view>
#include "base/component_export.h"
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/sequence_checker.h"
#include "components/mirroring/mojom/resource_provider.mojom.h"
#include "components/mirroring/mojom/session_observer.mojom-forward.h"
#include "components/mirroring/service/mirroring_logger.h"
#include "media/audio/audio_input_ipc.h"
#include "media/mojo/mojom/audio_input_stream.mojom.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
namespace mirroring {
// CapturedAudioInput handles the creation, initialization and control of an
// audio input stream created by Audio Service.
class COMPONENT_EXPORT(MIRRORING_SERVICE) CapturedAudioInput final
: public media::AudioInputIPC,
public mojom::AudioStreamCreatorClient,
public media::mojom::AudioInputStreamClient {
public:
using StreamCreatorCallback = base::RepeatingCallback<void(
mojo::PendingRemote<mojom::AudioStreamCreatorClient> client,
const media::AudioParameters& params,
uint32_t total_segments)>;
CapturedAudioInput(StreamCreatorCallback callback,
mojo::Remote<mojom::SessionObserver>& observer);
CapturedAudioInput(const CapturedAudioInput&) = delete;
CapturedAudioInput& operator=(const CapturedAudioInput&) = delete;
~CapturedAudioInput() override;
private:
// media::AudioInputIPC implementation.
void CreateStream(media::AudioInputIPCDelegate* delegate,
const media::AudioParameters& params,
bool automatic_gain_control,
uint32_t total_segments) override;
void RecordStream() override;
void SetVolume(double volume) override;
void CloseStream() override;
void SetOutputDeviceForAec(const std::string& output_device_id) override;
// mojom::AudioStreamCreatorClient implementation
void StreamCreated(
mojo::PendingRemote<media::mojom::AudioInputStream> stream,
mojo::PendingReceiver<media::mojom::AudioInputStreamClient>
client_receiver,
media::mojom::ReadWriteAudioDataPipePtr data_pipe) override;
// media::mojom::AudioInputStreamClient implementation.
void OnError(media::mojom::InputStreamErrorCode code) override;
void OnMutedStateChanged(bool is_muted) override;
SEQUENCE_CHECKER(sequence_checker_);
const StreamCreatorCallback stream_creator_callback_;
mojo::Receiver<media::mojom::AudioInputStreamClient> stream_client_receiver_{
this};
mojo::Receiver<mojom::AudioStreamCreatorClient>
stream_creator_client_receiver_{this};
raw_ptr<media::AudioInputIPCDelegate> delegate_ = nullptr;
mojo::Remote<media::mojom::AudioInputStream> stream_;
MirroringLogger logger_;
};
} // namespace mirroring
#endif // COMPONENTS_MIRRORING_SERVICE_CAPTURED_AUDIO_INPUT_H_
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