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//
// 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"
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
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