| // 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. |
| |
| #include "components/mirroring/service/captured_audio_input.h" |
| |
| #include "base/logging.h" |
| #include "media/mojo/interfaces/audio_data_pipe.mojom.h" |
| #include "mojo/public/cpp/system/platform_handle.h" |
| |
| namespace mirroring { |
| |
| CapturedAudioInput::CapturedAudioInput(StreamCreatorCallback callback) |
| : stream_creator_callback_(std::move(callback)), |
| stream_client_binding_(this), |
| stream_creator_client_binding_(this) { |
| DETACH_FROM_SEQUENCE(sequence_checker_); |
| DCHECK(!stream_creator_callback_.is_null()); |
| } |
| |
| CapturedAudioInput::~CapturedAudioInput() {} |
| |
| void CapturedAudioInput::CreateStream(media::AudioInputIPCDelegate* delegate, |
| const media::AudioParameters& params, |
| bool automatic_gain_control, |
| uint32_t total_segments) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(!automatic_gain_control); // Invalid to be true for screen capture. |
| DCHECK(delegate); |
| DCHECK(!delegate_); |
| delegate_ = delegate; |
| mojom::AudioStreamCreatorClientPtr client; |
| stream_creator_client_binding_.Bind(mojo::MakeRequest(&client)); |
| stream_creator_callback_.Run(std::move(client), params, total_segments); |
| } |
| |
| void CapturedAudioInput::RecordStream() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(stream_.is_bound()); |
| stream_->Record(); |
| } |
| |
| void CapturedAudioInput::SetVolume(double volume) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(stream_.is_bound()); |
| stream_->SetVolume(volume); |
| } |
| |
| void CapturedAudioInput::CloseStream() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| delegate_ = nullptr; |
| if (stream_client_binding_.is_bound()) |
| stream_client_binding_.Unbind(); |
| stream_.reset(); |
| } |
| |
| void CapturedAudioInput::SetOutputDeviceForAec( |
| const std::string& output_device_id) { |
| NOTREACHED(); |
| } |
| |
| void CapturedAudioInput::StreamCreated( |
| media::mojom::AudioInputStreamPtr stream, |
| media::mojom::AudioInputStreamClientRequest client_request, |
| media::mojom::ReadOnlyAudioDataPipePtr data_pipe, |
| bool initially_muted) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(delegate_); |
| DCHECK(!stream_); |
| DCHECK(!stream_client_binding_.is_bound()); |
| |
| stream_ = std::move(stream); |
| stream_client_binding_.Bind(std::move(client_request)); |
| |
| base::PlatformFile socket_handle; |
| auto result = |
| mojo::UnwrapPlatformFile(std::move(data_pipe->socket), &socket_handle); |
| DCHECK_EQ(result, MOJO_RESULT_OK); |
| |
| base::ReadOnlySharedMemoryRegion& shared_memory_region = |
| data_pipe->shared_memory; |
| DCHECK(shared_memory_region.IsValid()); |
| |
| delegate_->OnStreamCreated(std::move(shared_memory_region), socket_handle, |
| initially_muted); |
| } |
| |
| void CapturedAudioInput::OnError() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(delegate_); |
| delegate_->OnError(); |
| } |
| |
| void CapturedAudioInput::OnMutedStateChanged(bool is_muted) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| DCHECK(delegate_); |
| delegate_->OnMuted(is_muted); |
| } |
| |
| } // namespace mirroring |