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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.
#include "components/mirroring/service/captured_audio_input.h"
#include "base/check_op.h"
#include "base/notreached.h"
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "components/mirroring/mojom/session_observer.mojom.h"
#include "media/mojo/common/input_error_code_converter.h"
#include "media/mojo/mojom/audio_data_pipe.mojom.h"
#include "mojo/public/cpp/system/platform_handle.h"
namespace mirroring {
CapturedAudioInput::CapturedAudioInput(
StreamCreatorCallback callback,
mojo::Remote<mojom::SessionObserver>& observer)
: stream_creator_callback_(std::move(callback)),
logger_("CapturedAudioInput", observer) {
DETACH_FROM_SEQUENCE(sequence_checker_);
DCHECK(!stream_creator_callback_.is_null());
}
CapturedAudioInput::~CapturedAudioInput() = default;
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_);
logger_.LogInfo(base::StrCat(
{"CreateStream; params = ", params.AsHumanReadableString(),
" total_segments = ", base::NumberToString(total_segments)}));
delegate_ = delegate;
stream_creator_callback_.Run(
stream_creator_client_receiver_.BindNewPipeAndPassRemote(), 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());
logger_.LogInfo("SetVolume to " + base::NumberToString(volume));
stream_->SetVolume(volume);
}
void CapturedAudioInput::CloseStream() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
logger_.LogInfo("CloseStream");
delegate_ = nullptr;
stream_client_receiver_.reset();
stream_.reset();
stream_creator_client_receiver_.reset();
}
void CapturedAudioInput::SetOutputDeviceForAec(
const std::string& output_device_id) {
NOTREACHED();
}
void CapturedAudioInput::StreamCreated(
mojo::PendingRemote<media::mojom::AudioInputStream> stream,
mojo::PendingReceiver<media::mojom::AudioInputStreamClient> client_receiver,
media::mojom::ReadWriteAudioDataPipePtr data_pipe) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(delegate_);
DCHECK(!stream_);
DCHECK(!stream_client_receiver_.is_bound());
stream_.Bind(std::move(stream));
stream_client_receiver_.Bind(std::move(client_receiver));
DCHECK(data_pipe->socket.is_valid_platform_file());
base::ScopedPlatformFile socket_handle = data_pipe->socket.TakePlatformFile();
base::UnsafeSharedMemoryRegion& shared_memory_region =
data_pipe->shared_memory;
DCHECK(shared_memory_region.IsValid());
delegate_->OnStreamCreated(std::move(shared_memory_region),
std::move(socket_handle),
/* initally_muted */ false);
}
void CapturedAudioInput::OnError(media::mojom::InputStreamErrorCode code) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(delegate_);
logger_.LogError("InputStreamErrorCode " +
base::NumberToString(static_cast<int>(code)));
delegate_->OnError(media::ConvertToCaptureCallbackCode(code));
}
void CapturedAudioInput::OnMutedStateChanged(bool is_muted) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(delegate_);
logger_.LogInfo("OnMuteStateChanged; is_muted = " +
base::NumberToString(is_muted));
delegate_->OnMuted(is_muted);
}
} // namespace mirroring
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