| // |
| // Copyright 2017 Google, Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at: |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| |
| #include "service/a2dp_sink.h" |
| |
| #include <base/logging.h> |
| #include <base/memory/ptr_util.h> |
| |
| #include "service/logging_helpers.h" |
| #include "types/raw_address.h" |
| |
| using bluetooth::hal::BluetoothAvInterface; |
| |
| namespace bluetooth { |
| |
| // static |
| const int A2dpSink::kSingletonInstanceId = 0; |
| |
| A2dpSink::A2dpSink(const Uuid& uuid) : app_identifier_(uuid) { |
| hal::BluetoothAvInterface::Get()->AddA2dpSinkObserver(this); |
| } |
| |
| A2dpSink::~A2dpSink() { |
| hal::BluetoothAvInterface::Get()->RemoveA2dpSinkObserver(this); |
| } |
| |
| const Uuid& A2dpSink::GetAppIdentifier() const { return app_identifier_; } |
| |
| int A2dpSink::GetInstanceId() const { return kSingletonInstanceId; } |
| |
| void A2dpSink::SetDelegate(Delegate* delegate) { |
| std::lock_guard<std::mutex> lock(delegate_mutex_); |
| delegate_ = delegate; |
| } |
| |
| bool A2dpSink::Enable() { |
| std::lock_guard<std::mutex> lock(mutex_); |
| return hal::BluetoothAvInterface::Get()->A2dpSinkEnable(); |
| } |
| |
| void A2dpSink::Disable() { |
| std::lock_guard<std::mutex> lock(mutex_); |
| hal::BluetoothAvInterface::Get()->A2dpSinkDisable(); |
| } |
| |
| bool A2dpSink::Connect(const std::string& device_address) { |
| std::lock_guard<std::mutex> lock(mutex_); |
| RawAddress addr; |
| if (!RawAddress::FromString(device_address, addr)) { |
| LOG(ERROR) << "Invalid device address given: " << device_address; |
| return false; |
| } |
| |
| bt_status_t status = |
| hal::BluetoothAvInterface::Get()->GetA2dpSinkHALInterface()->connect( |
| addr); |
| if (status != BT_STATUS_SUCCESS) { |
| LOG(ERROR) << "Failed to connect"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool A2dpSink::Disconnect(const std::string& device_address) { |
| std::lock_guard<std::mutex> lock(mutex_); |
| RawAddress addr; |
| if (!RawAddress::FromString(device_address, addr)) { |
| LOG(ERROR) << "Invalid device address given: " << device_address; |
| return false; |
| } |
| |
| bt_status_t status = |
| hal::BluetoothAvInterface::Get()->GetA2dpSinkHALInterface()->disconnect( |
| addr); |
| if (status != BT_STATUS_SUCCESS) { |
| LOG(ERROR) << "Failed to disconnect"; |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void A2dpSink::SetAudioFocusState(int focus_state) { |
| std::lock_guard<std::mutex> lock(mutex_); |
| hal::BluetoothAvInterface::Get() |
| ->GetA2dpSinkHALInterface() |
| ->set_audio_focus_state(focus_state); |
| } |
| |
| void A2dpSink::SetAudioTrackGain(float gain) { |
| std::lock_guard<std::mutex> lock(mutex_); |
| hal::BluetoothAvInterface::Get() |
| ->GetA2dpSinkHALInterface() |
| ->set_audio_track_gain(gain); |
| } |
| |
| void A2dpSink::ConnectionStateCallback(BluetoothAvInterface* iface, |
| const RawAddress& bd_addr, |
| btav_connection_state_t state) { |
| std::string device_address = BtAddrString(&bd_addr); |
| std::lock_guard<std::mutex> lock(delegate_mutex_); |
| |
| if (delegate_) |
| delegate_->OnConnectionState(device_address, static_cast<int>(state)); |
| } |
| |
| void A2dpSink::AudioStateCallback(BluetoothAvInterface* iface, |
| const RawAddress& bd_addr, |
| btav_audio_state_t state) { |
| std::string device_address = BtAddrString(&bd_addr); |
| std::lock_guard<std::mutex> lock(delegate_mutex_); |
| |
| if (delegate_) |
| delegate_->OnAudioState(device_address, static_cast<int>(state)); |
| } |
| |
| void A2dpSink::AudioConfigCallback(BluetoothAvInterface* iface, |
| const RawAddress& bd_addr, |
| uint32_t sample_rate, |
| uint8_t channel_count) { |
| std::string device_address = BtAddrString(&bd_addr); |
| std::lock_guard<std::mutex> lock(delegate_mutex_); |
| if (delegate_) |
| delegate_->OnAudioConfig(device_address, sample_rate, channel_count); |
| } |
| |
| // A2dpSinkFactory implementation |
| A2dpSinkFactory::A2dpSinkFactory() = default; |
| A2dpSinkFactory::~A2dpSinkFactory() = default; |
| |
| bool A2dpSinkFactory::RegisterInstance(const Uuid& uuid, |
| const RegisterCallback& callback) { |
| VLOG(1) << __func__ << " - Uuid: " << uuid.ToString(); |
| |
| auto a2dp_sink = base::WrapUnique(new A2dpSink(uuid)); |
| callback(BLE_STATUS_SUCCESS, uuid, std::move(a2dp_sink)); |
| return true; |
| } |
| |
| } // namespace bluetooth |