| // Copyright 2018 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 SERVICES_AUDIO_PUBLIC_CPP_INPUT_IPC_H_ |
| #define SERVICES_AUDIO_PUBLIC_CPP_INPUT_IPC_H_ |
| |
| #include <string> |
| |
| #include "base/callback_helpers.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/sequence_checker.h" |
| #include "base/time/time.h" |
| #include "media/audio/audio_input_ipc.h" |
| #include "media/mojo/interfaces/audio_input_stream.mojom.h" |
| #include "mojo/public/cpp/bindings/binding.h" |
| #include "services/audio/public/mojom/stream_factory.mojom.h" |
| #include "services/service_manager/public/cpp/connector.h" |
| |
| namespace audio { |
| |
| // InputIPC is a client-side class for handling creation, |
| // initialization and control of an input stream. May only be used on a single |
| // thread. |
| class InputIPC : public media::AudioInputIPC, |
| public media::mojom::AudioInputStreamClient { |
| public: |
| explicit InputIPC(std::unique_ptr<service_manager::Connector> connector, |
| const std::string& device_id, |
| media::mojom::AudioLogPtr log); |
| ~InputIPC() override; |
| |
| // 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; |
| |
| private: |
| // AudioInputStreamClient implementation. |
| void OnError() override; |
| void OnMutedStateChanged(bool is_muted) override; |
| |
| void StreamCreated(media::mojom::AudioDataPipePtr data_pipe, bool is_muted); |
| |
| SEQUENCE_CHECKER(sequence_checker_); |
| |
| media::mojom::AudioInputStreamPtr stream_; |
| mojo::Binding<AudioInputStreamClient> stream_client_binding_; |
| media::AudioInputIPCDelegate* delegate_ = nullptr; |
| |
| const std::string& device_id_; |
| |
| // stream_factory_info_ is bound in the constructor, and later used to |
| // bind stream_factory_. This is done because the constructor may be called |
| // from a different thread than the other functions. |
| audio::mojom::StreamFactoryPtr stream_factory_; |
| audio::mojom::StreamFactoryPtrInfo stream_factory_info_; |
| |
| media::mojom::AudioLogPtr log_; |
| |
| base::WeakPtrFactory<InputIPC> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InputIPC); |
| }; |
| |
| } // namespace audio |
| |
| #endif // SERVICES_AUDIO_PUBLIC_CPP_INPUT_IPC_H_ |