blob: c77466badbc61b35ea383b01993ae766382dea66 [file] [log] [blame]
//
// Copyright (C) 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_source.h"
#include "base/logging.h"
#include "base/memory/ptr_util.h"
#include "service/logging_helpers.h"
#include "types/raw_address.h"
#define PARSE_ADDR(str) \
({ \
RawAddress tmp; \
if (!RawAddress::FromString((str), tmp)) { \
LOG(ERROR) << "Invalid device address given: " << (str); \
return false; \
} \
tmp; \
})
#define TRY_RET(expr, err_msg) \
do { \
if (!(expr)) { \
LOG(ERROR) << err_msg; \
return false; \
} \
return true; \
} while (0)
#define TRY_RET_FUNC(expr) TRY_RET(expr, __func__ << " failed")
using bluetooth::hal::BluetoothAvInterface;
using LockGuard = std::lock_guard<std::mutex>;
namespace bluetooth {
namespace {
btav_a2dp_codec_config_t CodecConfigToFluoride(const A2dpCodecConfig& config) {
btav_a2dp_codec_config_t ret = {
.codec_type = static_cast<btav_a2dp_codec_index_t>(config.codec_type()),
.codec_priority =
static_cast<btav_a2dp_codec_priority_t>(config.codec_priority()),
.sample_rate =
static_cast<btav_a2dp_codec_sample_rate_t>(config.sample_rate()),
.bits_per_sample = static_cast<btav_a2dp_codec_bits_per_sample_t>(
config.bits_per_sample()),
.channel_mode =
static_cast<btav_a2dp_codec_channel_mode_t>(config.channel_mode()),
.codec_specific_1 = config.codec_specific_1(),
.codec_specific_2 = config.codec_specific_2(),
.codec_specific_3 = config.codec_specific_3(),
.codec_specific_4 = config.codec_specific_4(),
};
return ret;
}
std::vector<btav_a2dp_codec_config_t> CodecConfigsToFluoride(
const std::vector<A2dpCodecConfig>& configs) {
std::vector<btav_a2dp_codec_config_t> ret;
ret.reserve(configs.size());
for (const auto& config : configs) {
ret.push_back(CodecConfigToFluoride(config));
}
return ret;
}
A2dpCodecConfig FluorideCodecToCodec(const btav_a2dp_codec_config_t& config) {
A2dpCodecConfig ret(config.codec_type, config.codec_priority,
config.sample_rate, config.bits_per_sample,
config.channel_mode, config.codec_specific_1,
config.codec_specific_2, config.codec_specific_3,
config.codec_specific_4);
return ret;
}
std::vector<A2dpCodecConfig> FluorideCodecsToCodec(
const std::vector<btav_a2dp_codec_config_t>& configs) {
std::vector<A2dpCodecConfig> ret;
ret.reserve(configs.size());
for (const auto& config : configs) {
ret.push_back(FluorideCodecToCodec(config));
}
return ret;
}
} // namespace
// static
const int A2dpSource::kSingletonInstanceId = 0;
A2dpSource::A2dpSource(const Uuid& uuid) : app_identifier_(uuid) {
hal::BluetoothAvInterface::Get()->AddA2dpSourceObserver(this);
}
A2dpSource::~A2dpSource() {
hal::BluetoothAvInterface::Get()->RemoveA2dpSourceObserver(this);
}
const Uuid& A2dpSource::GetAppIdentifier() const { return app_identifier_; }
int A2dpSource::GetInstanceId() const { return kSingletonInstanceId; }
void A2dpSource::SetDelegate(Delegate* delegate) {
LockGuard lock(delegate_mutex_);
delegate_ = delegate;
}
bool A2dpSource::Enable(const std::vector<A2dpCodecConfig>& codec_priorities) {
auto fluoride_priorities = CodecConfigsToFluoride(codec_priorities);
LockGuard lock(mutex_);
return hal::BluetoothAvInterface::Get()->A2dpSourceEnable(
fluoride_priorities);
}
void A2dpSource::Disable() {
LockGuard lock(mutex_);
hal::BluetoothAvInterface::Get()->A2dpSourceDisable();
}
bool A2dpSource::Connect(const std::string& device_address) {
RawAddress addr = PARSE_ADDR(device_address);
LockGuard lock(mutex_);
TRY_RET_FUNC(
hal::BluetoothAvInterface::Get()->GetA2dpSourceHALInterface()->connect(
addr) == BT_STATUS_SUCCESS);
}
bool A2dpSource::Disconnect(const std::string& device_address) {
RawAddress addr = PARSE_ADDR(device_address);
LockGuard lock(mutex_);
TRY_RET_FUNC(
hal::BluetoothAvInterface::Get()->GetA2dpSourceHALInterface()->disconnect(
addr) == BT_STATUS_SUCCESS);
}
bool A2dpSource::ConfigCodec(
const std::string& device_address,
const std::vector<A2dpCodecConfig>& codec_preferences) {
RawAddress addr = PARSE_ADDR(device_address);
auto fluoride_preferences = CodecConfigsToFluoride(codec_preferences);
LockGuard lock(mutex_);
TRY_RET_FUNC(hal::BluetoothAvInterface::Get()
->GetA2dpSourceHALInterface()
->config_codec(addr, fluoride_preferences) ==
BT_STATUS_SUCCESS);
}
void A2dpSource::ConnectionStateCallback(BluetoothAvInterface* iface,
const RawAddress& bd_addr,
btav_connection_state_t state) {
auto device_address = BtAddrString(&bd_addr);
LockGuard lock(delegate_mutex_);
if (delegate_)
delegate_->OnConnectionState(device_address, static_cast<int>(state));
}
void A2dpSource::AudioStateCallback(BluetoothAvInterface* iface,
const RawAddress& bd_addr,
btav_audio_state_t state) {
auto device_address = BtAddrString(&bd_addr);
LockGuard lock(delegate_mutex_);
if (delegate_)
delegate_->OnAudioState(device_address, static_cast<int>(state));
}
void A2dpSource::AudioConfigCallback(
BluetoothAvInterface* iface, const RawAddress& bd_addr,
const btav_a2dp_codec_config_t& codec_config_fluoride,
const std::vector<btav_a2dp_codec_config_t>
codecs_local_capabilities_fluoride,
const std::vector<btav_a2dp_codec_config_t>
codecs_selectable_capabilities_fluoride) {
auto device_address = BtAddrString(&bd_addr);
auto codec_config = FluorideCodecToCodec(codec_config_fluoride);
auto codecs_local_capabilities =
FluorideCodecsToCodec(codecs_local_capabilities_fluoride);
auto codecs_selectable_capabilities =
FluorideCodecsToCodec(codecs_selectable_capabilities_fluoride);
LockGuard lock(delegate_mutex_);
if (delegate_)
delegate_->OnAudioConfig(device_address, codec_config,
codecs_local_capabilities,
codecs_selectable_capabilities);
}
bool A2dpSource::MandatoryCodecPreferredCallback(BluetoothAvInterface* iface,
const RawAddress& bd_addr) {
LockGuard lock(delegate_mutex_);
// Do nothing. Optional codecs are preferred by default.
return false;
}
// A2dpSourceFactory implementation
A2dpSourceFactory::A2dpSourceFactory() = default;
A2dpSourceFactory::~A2dpSourceFactory() = default;
bool A2dpSourceFactory::RegisterInstance(const Uuid& uuid,
const RegisterCallback& callback) {
VLOG(1) << __func__ << " - UUID: " << uuid.ToString();
auto a2dp_source = base::WrapUnique(new A2dpSource(uuid));
callback(BLE_STATUS_SUCCESS, uuid, std::move(a2dp_source));
return true;
}
} // namespace bluetooth