| /* |
| * Copyright 2019 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #define LOG_TAG "BTAudioClientIf" |
| |
| #include "client_interface.h" |
| #include "hal_version_manager.h" |
| |
| #include <android/hardware/bluetooth/audio/2.0/IBluetoothAudioPort.h> |
| #include <base/logging.h> |
| #include <hidl/MQDescriptor.h> |
| #include <future> |
| |
| #include "common/stop_watch_legacy.h" |
| #include "osi/include/log.h" |
| |
| namespace bluetooth { |
| namespace audio { |
| |
| using ::android::hardware::hidl_vec; |
| using ::android::hardware::Return; |
| using ::android::hardware::Void; |
| using ::android::hardware::audio::common::V5_0::SourceMetadata; |
| using ::android::hardware::bluetooth::audio::V2_0::IBluetoothAudioPort; |
| using ::bluetooth::common::StopWatchLegacy; |
| |
| using DataMQ = ::android::hardware::MessageQueue< |
| uint8_t, ::android::hardware::kSynchronizedReadWrite>; |
| |
| static constexpr int kDefaultDataReadTimeoutMs = 10; // 10 ms |
| static constexpr int kDefaultDataWriteTimeoutMs = 10; // 10 ms |
| static constexpr int kDefaultDataReadPollIntervalMs = 1; // non-blocking poll |
| static constexpr int kDefaultDataWritePollIntervalMs = 1; // non-blocking poll |
| |
| std::unique_ptr<HalVersionManager> HalVersionManager::instance_ptr = |
| std::unique_ptr<HalVersionManager>(new HalVersionManager()); |
| |
| std::ostream& operator<<(std::ostream& os, const BluetoothAudioCtrlAck& ack) { |
| switch (ack) { |
| case BluetoothAudioCtrlAck::SUCCESS_FINISHED: |
| return os << "SUCCESS_FINISHED"; |
| case BluetoothAudioCtrlAck::PENDING: |
| return os << "PENDING"; |
| case BluetoothAudioCtrlAck::FAILURE_UNSUPPORTED: |
| return os << "FAILURE_UNSUPPORTED"; |
| case BluetoothAudioCtrlAck::FAILURE_BUSY: |
| return os << "FAILURE_BUSY"; |
| case BluetoothAudioCtrlAck::FAILURE_DISCONNECTING: |
| return os << "FAILURE_DISCONNECTING"; |
| case BluetoothAudioCtrlAck::FAILURE: |
| return os << "FAILURE"; |
| default: |
| return os << "UNDEFINED " << static_cast<int8_t>(ack); |
| } |
| } |
| |
| class BluetoothAudioPortImpl : public IBluetoothAudioPort { |
| public: |
| BluetoothAudioPortImpl(IBluetoothTransportInstance* transport_instance, |
| const android::sp<IBluetoothAudioProvider>& provider) |
| : transport_instance_(transport_instance), provider_(provider) {} |
| |
| Return<void> startStream() override { |
| StopWatchLegacy(__func__); |
| BluetoothAudioCtrlAck ack = transport_instance_->StartRequest(); |
| if (ack != BluetoothAudioCtrlAck::PENDING) { |
| auto hidl_retval = |
| provider_->streamStarted(BluetoothAudioCtrlAckToHalStatus(ack)); |
| if (!hidl_retval.isOk()) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal failure: " |
| << hidl_retval.description(); |
| } |
| } |
| return Void(); |
| } |
| |
| Return<void> suspendStream() override { |
| StopWatchLegacy(__func__); |
| BluetoothAudioCtrlAck ack = transport_instance_->SuspendRequest(); |
| if (ack != BluetoothAudioCtrlAck::PENDING) { |
| auto hidl_retval = |
| provider_->streamSuspended(BluetoothAudioCtrlAckToHalStatus(ack)); |
| if (!hidl_retval.isOk()) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal failure: " |
| << hidl_retval.description(); |
| } |
| } |
| return Void(); |
| } |
| |
| Return<void> stopStream() override { |
| StopWatchLegacy(__func__); |
| transport_instance_->StopRequest(); |
| return Void(); |
| } |
| |
| Return<void> getPresentationPosition( |
| getPresentationPosition_cb _hidl_cb) override { |
| StopWatchLegacy(__func__); |
| uint64_t remote_delay_report_ns; |
| uint64_t total_bytes_read; |
| timespec data_position; |
| bool retval = transport_instance_->GetPresentationPosition( |
| &remote_delay_report_ns, &total_bytes_read, &data_position); |
| |
| TimeSpec transmittedOctetsTimeStamp; |
| if (retval) { |
| transmittedOctetsTimeStamp = timespec_convert_to_hal(data_position); |
| } else { |
| remote_delay_report_ns = 0; |
| total_bytes_read = 0; |
| transmittedOctetsTimeStamp = {}; |
| } |
| VLOG(2) << __func__ << ": result=" << retval |
| << ", delay=" << remote_delay_report_ns |
| << ", data=" << total_bytes_read |
| << " byte(s), timestamp=" << toString(transmittedOctetsTimeStamp); |
| _hidl_cb((retval ? BluetoothAudioStatus::SUCCESS |
| : BluetoothAudioStatus::FAILURE), |
| remote_delay_report_ns, total_bytes_read, |
| transmittedOctetsTimeStamp); |
| return Void(); |
| } |
| |
| Return<void> updateMetadata(const SourceMetadata& sourceMetadata) override { |
| StopWatchLegacy(__func__); |
| LOG(INFO) << __func__ << ": " << sourceMetadata.tracks.size() |
| << " track(s)"; |
| // refer to StreamOut.impl.h within Audio HAL (AUDIO_HAL_VERSION_5_0) |
| std::vector<playback_track_metadata> metadata_vec; |
| metadata_vec.reserve(sourceMetadata.tracks.size()); |
| for (const auto& metadata : sourceMetadata.tracks) { |
| metadata_vec.push_back({ |
| .usage = static_cast<audio_usage_t>(metadata.usage), |
| .content_type = |
| static_cast<audio_content_type_t>(metadata.contentType), |
| .gain = metadata.gain, |
| }); |
| } |
| const source_metadata_t source_metadata = { |
| .track_count = metadata_vec.size(), .tracks = metadata_vec.data()}; |
| transport_instance_->MetadataChanged(source_metadata); |
| return Void(); |
| } |
| |
| private: |
| IBluetoothTransportInstance* transport_instance_; |
| const android::sp<IBluetoothAudioProvider> provider_; |
| TimeSpec timespec_convert_to_hal(const timespec& ts) { |
| return {.tvSec = static_cast<uint64_t>(ts.tv_sec), |
| .tvNSec = static_cast<uint64_t>(ts.tv_nsec)}; |
| } |
| }; |
| |
| class BluetoothAudioDeathRecipient |
| : public ::android::hardware::hidl_death_recipient { |
| public: |
| BluetoothAudioDeathRecipient( |
| BluetoothAudioClientInterface* clientif, |
| bluetooth::common::MessageLoopThread* message_loop) |
| : bluetooth_audio_clientif_(clientif), message_loop_(message_loop) {} |
| void serviceDied( |
| uint64_t /*cookie*/, |
| const ::android::wp<::android::hidl::base::V1_0::IBase>& /*who*/) |
| override { |
| LOG(WARNING) << __func__ << ": restarting connection with new Audio Hal"; |
| if (bluetooth_audio_clientif_ != nullptr && message_loop_ != nullptr) { |
| // restart the session on the correct thread |
| message_loop_->DoInThread( |
| FROM_HERE, |
| base::BindOnce( |
| &BluetoothAudioClientInterface::RenewAudioProviderAndSession, |
| base::Unretained(bluetooth_audio_clientif_))); |
| } else { |
| LOG(ERROR) << __func__ << ": BluetoothAudioClientInterface corrupted"; |
| } |
| } |
| |
| private: |
| BluetoothAudioClientInterface* bluetooth_audio_clientif_; |
| bluetooth::common::MessageLoopThread* message_loop_; |
| }; |
| |
| // Constructs an BluetoothAudioClientInterface to communicate to |
| // BluetoothAudio HAL. |message_loop| is the thread where callbacks are |
| // invoked. |
| BluetoothAudioClientInterface::BluetoothAudioClientInterface( |
| android::sp<BluetoothAudioDeathRecipient> death_recipient, |
| IBluetoothTransportInstance* instance) |
| : provider_(nullptr), |
| provider_2_1_(nullptr), |
| session_started_(false), |
| mDataMQ(nullptr), |
| transport_(instance) { |
| death_recipient_ = death_recipient; |
| } |
| |
| std::vector<AudioCapabilities> |
| BluetoothAudioClientInterface::GetAudioCapabilities() const { |
| return capabilities_; |
| } |
| |
| std::vector<AudioCapabilities_2_1> |
| BluetoothAudioClientInterface::GetAudioCapabilities_2_1() const { |
| return capabilities_2_1_; |
| } |
| |
| std::vector<AudioCapabilities> |
| BluetoothAudioClientInterface::GetAudioCapabilities(SessionType session_type) { |
| std::vector<AudioCapabilities> capabilities(0); |
| |
| if (HalVersionManager::GetHalVersion() == |
| BluetoothAudioHalVersion::VERSION_UNAVAILABLE) { |
| LOG(ERROR) << __func__ << ", can't get capability from unknown factory"; |
| return capabilities; |
| } |
| |
| android::sp<IBluetoothAudioProvidersFactory_2_0> providersFactory = |
| HalVersionManager::GetProvidersFactory_2_0(); |
| CHECK(providersFactory != nullptr) |
| << "IBluetoothAudioProvidersFactory::getService() failed"; |
| |
| auto getProviderCapabilities_cb = |
| [&capabilities](const hidl_vec<AudioCapabilities>& audioCapabilities) { |
| for (auto capability : audioCapabilities) { |
| capabilities.push_back(capability); |
| } |
| }; |
| auto hidl_retval = providersFactory->getProviderCapabilities( |
| session_type, getProviderCapabilities_cb); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ |
| << ": BluetoothAudioHal::getProviderCapabilities failure: " |
| << hidl_retval.description(); |
| } |
| return capabilities; |
| } |
| |
| std::vector<AudioCapabilities_2_1> |
| BluetoothAudioClientInterface::GetAudioCapabilities_2_1( |
| SessionType_2_1 session_type_2_1) { |
| std::vector<AudioCapabilities_2_1> capabilities_2_1(0); |
| |
| if (HalVersionManager::GetHalVersion() != |
| BluetoothAudioHalVersion::VERSION_2_1) { |
| LOG(ERROR) << __func__ << ", can't get capability for HAL 2.1"; |
| return capabilities_2_1; |
| } |
| |
| android::sp<IBluetoothAudioProvidersFactory_2_1> providersFactory = |
| HalVersionManager::GetProvidersFactory_2_1(); |
| CHECK(providersFactory != nullptr) |
| << "IBluetoothAudioProvidersFactory::getService() failed"; |
| |
| auto getProviderCapabilities_cb = |
| [&capabilities_2_1]( |
| const hidl_vec<AudioCapabilities_2_1>& audioCapabilities_2_1) { |
| for (auto capability_2_1 : audioCapabilities_2_1) { |
| capabilities_2_1.push_back(capability_2_1); |
| } |
| }; |
| auto hidl_retval = providersFactory->getProviderCapabilities_2_1( |
| session_type_2_1, getProviderCapabilities_cb); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ |
| << ": BluetoothAudioHal::getProviderCapabilities failure: " |
| << hidl_retval.description(); |
| } |
| return capabilities_2_1; |
| } |
| |
| void BluetoothAudioClientInterface::FetchAudioProvider() { |
| if (provider_ != nullptr) { |
| LOG(WARNING) << __func__ << ": reflash"; |
| } |
| |
| android::sp<IBluetoothAudioProvidersFactory_2_0> providersFactory = |
| HalVersionManager::GetProvidersFactory_2_0(); |
| CHECK(providersFactory != nullptr) |
| << "IBluetoothAudioProvidersFactory::getService() failed"; |
| |
| auto getProviderCapabilities_cb = |
| [& capabilities = this->capabilities_]( |
| const hidl_vec<AudioCapabilities>& audioCapabilities) { |
| capabilities.clear(); |
| for (auto capability : audioCapabilities) { |
| capabilities.push_back(capability); |
| } |
| }; |
| auto hidl_retval = providersFactory->getProviderCapabilities( |
| transport_->GetSessionType(), getProviderCapabilities_cb); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ |
| << ": BluetoothAudioHal::getProviderCapabilities failure: " |
| << hidl_retval.description(); |
| return; |
| } |
| if (capabilities_.empty()) { |
| LOG(WARNING) << __func__ |
| << ": SessionType=" << toString(transport_->GetSessionType()) |
| << " Not supported by BluetoothAudioHal"; |
| return; |
| } |
| LOG(INFO) << __func__ << ": BluetoothAudioHal SessionType=" |
| << toString(transport_->GetSessionType()) << " has " |
| << capabilities_.size() << " AudioCapabilities"; |
| |
| std::promise<void> openProvider_promise; |
| auto openProvider_future = openProvider_promise.get_future(); |
| auto openProvider_cb = |
| [& provider_ = this->provider_, &openProvider_promise]( |
| BluetoothAudioStatus status, |
| const android::sp<IBluetoothAudioProvider>& provider) { |
| LOG(INFO) << "openProvider_cb(" << toString(status) << ")"; |
| if (status == BluetoothAudioStatus::SUCCESS) { |
| provider_ = provider; |
| } |
| ALOGE_IF(!provider_, "Failed to open BluetoothAudio provider"); |
| openProvider_promise.set_value(); |
| }; |
| hidl_retval = providersFactory->openProvider(transport_->GetSessionType(), |
| openProvider_cb); |
| openProvider_future.get(); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ << ": BluetoothAudioHal::openProvider failure: " |
| << hidl_retval.description(); |
| } |
| CHECK(provider_ != nullptr); |
| |
| if (!provider_->linkToDeath(death_recipient_, 0).isOk()) { |
| LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: " |
| << hidl_retval.description(); |
| } |
| |
| LOG(INFO) << "IBluetoothAudioProvidersFactory::openProvider() returned " |
| << provider_.get() |
| << (provider_->isRemote() ? " (remote)" : " (local)"); |
| } |
| |
| void BluetoothAudioClientInterface::FetchAudioProvider_2_1() { |
| if (provider_2_1_ != nullptr) { |
| LOG(WARNING) << __func__ << ": reflash"; |
| } |
| |
| android::sp<IBluetoothAudioProvidersFactory_2_1> providersFactory = |
| HalVersionManager::GetProvidersFactory_2_1(); |
| CHECK(providersFactory != nullptr) |
| << "IBluetoothAudioProvidersFactory_2_1::getService() failed"; |
| |
| auto getProviderCapabilities_cb = |
| [&capabilities_2_1 = this->capabilities_2_1_]( |
| const hidl_vec<AudioCapabilities_2_1>& audioCapabilities_2_1) { |
| capabilities_2_1.clear(); |
| for (auto capability_2_1 : audioCapabilities_2_1) { |
| capabilities_2_1.push_back(capability_2_1); |
| } |
| }; |
| auto hidl_retval = providersFactory->getProviderCapabilities_2_1( |
| transport_->GetSessionType_2_1(), getProviderCapabilities_cb); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ |
| << ": BluetoothAudioHal::getProviderCapabilities failure: " |
| << hidl_retval.description(); |
| return; |
| } |
| if (capabilities_2_1_.empty()) { |
| LOG(WARNING) << __func__ << ": SessionType=" |
| << toString(transport_->GetSessionType_2_1()) |
| << " Not supported by BluetoothAudioHal"; |
| return; |
| } |
| LOG(INFO) << __func__ << ": BluetoothAudioHal SessionType=" |
| << toString(transport_->GetSessionType_2_1()) << " has " |
| << capabilities_2_1_.size() << " AudioCapabilities"; |
| |
| std::promise<void> openProvider_promise; |
| auto openProvider_future = openProvider_promise.get_future(); |
| auto openProvider_cb = |
| [&provider_2_1_ = this->provider_2_1_, &openProvider_promise]( |
| BluetoothAudioStatus status, |
| const android::sp<IBluetoothAudioProvider_2_1>& provider_2_1) { |
| LOG(INFO) << "openProvider_cb(" << toString(status) << ")"; |
| if (status == BluetoothAudioStatus::SUCCESS) { |
| provider_2_1_ = provider_2_1; |
| } |
| ALOGE_IF(!provider_2_1_, "Failed to open BluetoothAudio provider_2_1"); |
| openProvider_promise.set_value(); |
| }; |
| hidl_retval = providersFactory->openProvider_2_1( |
| transport_->GetSessionType_2_1(), openProvider_cb); |
| openProvider_future.get(); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ << ": BluetoothAudioHal::openProvider failure: " |
| << hidl_retval.description(); |
| } |
| CHECK(provider_2_1_ != nullptr); |
| |
| if (!provider_2_1_->linkToDeath(death_recipient_, 0).isOk()) { |
| LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: " |
| << hidl_retval.description(); |
| } |
| |
| LOG(INFO) << "IBluetoothAudioProvidersFactory::openProvider() returned " |
| << provider_2_1_.get() |
| << (provider_2_1_->isRemote() ? " (remote)" : " (local)"); |
| } |
| |
| BluetoothAudioSinkClientInterface::BluetoothAudioSinkClientInterface( |
| IBluetoothSinkTransportInstance* sink, |
| bluetooth::common::MessageLoopThread* message_loop) |
| : BluetoothAudioClientInterface{new BluetoothAudioDeathRecipient( |
| this, message_loop), |
| sink}, |
| sink_(sink) { |
| if (HalVersionManager::GetHalVersion() == |
| BluetoothAudioHalVersion::VERSION_UNAVAILABLE) { |
| return; |
| } |
| |
| if ((HalVersionManager::GetHalVersion() == |
| BluetoothAudioHalVersion::VERSION_2_1) && |
| (sink_->GetSessionType_2_1() != SessionType_2_1::UNKNOWN)) { |
| FetchAudioProvider_2_1(); |
| return; |
| } |
| FetchAudioProvider(); |
| } |
| |
| BluetoothAudioSinkClientInterface::~BluetoothAudioSinkClientInterface() { |
| if (provider_ != nullptr) { |
| auto hidl_retval = provider_->unlinkToDeath(death_recipient_); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: " |
| << hidl_retval.description(); |
| } |
| } |
| if (provider_2_1_ != nullptr) { |
| auto hidl_retval = provider_2_1_->unlinkToDeath(death_recipient_); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: " |
| << hidl_retval.description(); |
| } |
| } |
| } |
| |
| BluetoothAudioSourceClientInterface::BluetoothAudioSourceClientInterface( |
| IBluetoothSourceTransportInstance* source, |
| bluetooth::common::MessageLoopThread* message_loop) |
| : BluetoothAudioClientInterface{new BluetoothAudioDeathRecipient( |
| this, message_loop), |
| source}, |
| source_(source) { |
| if (HalVersionManager::GetHalVersion() == |
| BluetoothAudioHalVersion::VERSION_UNAVAILABLE) { |
| return; |
| } |
| |
| if ((HalVersionManager::GetHalVersion() == |
| BluetoothAudioHalVersion::VERSION_2_1) && |
| (source_->GetSessionType_2_1() != SessionType_2_1::UNKNOWN)) { |
| FetchAudioProvider_2_1(); |
| return; |
| } |
| FetchAudioProvider(); |
| } |
| |
| BluetoothAudioSourceClientInterface::~BluetoothAudioSourceClientInterface() { |
| if (provider_ != nullptr) { |
| auto hidl_retval = provider_->unlinkToDeath(death_recipient_); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: " |
| << hidl_retval.description(); |
| } |
| } |
| if (provider_2_1_ != nullptr) { |
| auto hidl_retval = provider_2_1_->unlinkToDeath(death_recipient_); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: " |
| << hidl_retval.description(); |
| } |
| } |
| } |
| |
| bool BluetoothAudioClientInterface::UpdateAudioConfig( |
| const AudioConfiguration& audio_config) { |
| bool is_software_session = |
| (transport_->GetSessionType() == |
| SessionType::A2DP_SOFTWARE_ENCODING_DATAPATH || |
| transport_->GetSessionType() == |
| SessionType::HEARING_AID_SOFTWARE_ENCODING_DATAPATH); |
| bool is_offload_session = (transport_->GetSessionType() == |
| SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH); |
| auto audio_config_discriminator = audio_config.getDiscriminator(); |
| bool is_software_audio_config = |
| (is_software_session && |
| audio_config_discriminator == |
| AudioConfiguration::hidl_discriminator::pcmConfig); |
| bool is_offload_audio_config = |
| (is_offload_session && |
| audio_config_discriminator == |
| AudioConfiguration::hidl_discriminator::codecConfig); |
| if (!is_software_audio_config && !is_offload_audio_config) { |
| return false; |
| } |
| transport_->UpdateAudioConfiguration(audio_config); |
| return true; |
| } |
| |
| bool BluetoothAudioClientInterface::UpdateAudioConfig_2_1( |
| const AudioConfiguration_2_1& audio_config_2_1) { |
| bool is_software_session = |
| (transport_->GetSessionType_2_1() == |
| SessionType_2_1::A2DP_SOFTWARE_ENCODING_DATAPATH || |
| transport_->GetSessionType_2_1() == |
| SessionType_2_1::HEARING_AID_SOFTWARE_ENCODING_DATAPATH || |
| transport_->GetSessionType_2_1() == |
| SessionType_2_1::LE_AUDIO_SOFTWARE_ENCODING_DATAPATH || |
| transport_->GetSessionType_2_1() == |
| SessionType_2_1::LE_AUDIO_SOFTWARE_DECODED_DATAPATH); |
| bool is_offload_session = (transport_->GetSessionType_2_1() == |
| SessionType_2_1::A2DP_HARDWARE_OFFLOAD_DATAPATH); |
| auto audio_config_discriminator = audio_config_2_1.getDiscriminator(); |
| bool is_software_audio_config = |
| (is_software_session && |
| audio_config_discriminator == |
| AudioConfiguration_2_1::hidl_discriminator::pcmConfig); |
| bool is_offload_audio_config = |
| (is_offload_session && |
| audio_config_discriminator == |
| AudioConfiguration_2_1::hidl_discriminator::codecConfig); |
| if (!is_software_audio_config && !is_offload_audio_config) { |
| return false; |
| } |
| transport_->UpdateAudioConfiguration_2_1(audio_config_2_1); |
| return true; |
| } |
| |
| int BluetoothAudioClientInterface::StartSession() { |
| std::lock_guard<std::mutex> guard(internal_mutex_); |
| if (provider_ == nullptr) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal nullptr"; |
| session_started_ = false; |
| return -EINVAL; |
| } |
| if (session_started_) { |
| LOG(ERROR) << __func__ << ": session started already"; |
| return -EBUSY; |
| } |
| |
| android::sp<IBluetoothAudioPort> stack_if = |
| new BluetoothAudioPortImpl(transport_, provider_); |
| |
| std::unique_ptr<DataMQ> tempDataMQ; |
| BluetoothAudioStatus session_status; |
| |
| std::promise<void> hidl_startSession_promise; |
| auto hidl_startSession_future = hidl_startSession_promise.get_future(); |
| auto hidl_cb = [&session_status, &tempDataMQ, &hidl_startSession_promise]( |
| BluetoothAudioStatus status, |
| const DataMQ::Descriptor& dataMQ) { |
| LOG(INFO) << "startSession_cb(" << toString(status) << ")"; |
| session_status = status; |
| if (status == BluetoothAudioStatus::SUCCESS && dataMQ.isHandleValid()) { |
| tempDataMQ.reset(new DataMQ(dataMQ)); |
| } |
| hidl_startSession_promise.set_value(); |
| }; |
| auto hidl_retval = provider_->startSession( |
| stack_if, transport_->GetAudioConfiguration(), hidl_cb); |
| hidl_startSession_future.get(); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ |
| << ": BluetoothAudioHal failure: " << hidl_retval.description(); |
| return -EPROTO; |
| } |
| |
| if (tempDataMQ && tempDataMQ->isValid()) { |
| mDataMQ = std::move(tempDataMQ); |
| } else if (transport_->GetSessionType() == |
| SessionType::A2DP_HARDWARE_OFFLOAD_DATAPATH && |
| session_status == BluetoothAudioStatus::SUCCESS) { |
| transport_->ResetPresentationPosition(); |
| session_started_ = true; |
| return 0; |
| } |
| if (mDataMQ && mDataMQ->isValid()) { |
| transport_->ResetPresentationPosition(); |
| session_started_ = true; |
| return 0; |
| } else { |
| ALOGE_IF(!mDataMQ, "Failed to obtain audio data path"); |
| ALOGE_IF(mDataMQ && !mDataMQ->isValid(), "Audio data path is invalid"); |
| session_started_ = false; |
| return -EIO; |
| } |
| } |
| |
| int BluetoothAudioClientInterface::StartSession_2_1() { |
| std::lock_guard<std::mutex> guard(internal_mutex_); |
| if (provider_2_1_ == nullptr) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal nullptr"; |
| session_started_ = false; |
| return -EINVAL; |
| } |
| if (session_started_) { |
| LOG(ERROR) << __func__ << ": session started already"; |
| return -EBUSY; |
| } |
| |
| android::sp<IBluetoothAudioPort> stack_if = |
| new BluetoothAudioPortImpl(transport_, provider_2_1_); |
| |
| std::unique_ptr<DataMQ> tempDataMQ; |
| BluetoothAudioStatus session_status; |
| |
| std::promise<void> hidl_startSession_promise; |
| auto hidl_startSession_future = hidl_startSession_promise.get_future(); |
| auto hidl_cb = [&session_status, &tempDataMQ, &hidl_startSession_promise]( |
| BluetoothAudioStatus status, |
| const DataMQ::Descriptor& dataMQ) { |
| LOG(INFO) << "startSession_cb(" << toString(status) << ")"; |
| session_status = status; |
| if (status == BluetoothAudioStatus::SUCCESS && dataMQ.isHandleValid()) { |
| tempDataMQ.reset(new DataMQ(dataMQ)); |
| } |
| hidl_startSession_promise.set_value(); |
| }; |
| auto hidl_retval = provider_2_1_->startSession_2_1( |
| stack_if, transport_->GetAudioConfiguration_2_1(), hidl_cb); |
| hidl_startSession_future.get(); |
| if (!hidl_retval.isOk()) { |
| LOG(FATAL) << __func__ |
| << ": BluetoothAudioHal failure: " << hidl_retval.description(); |
| return -EPROTO; |
| } |
| |
| if (tempDataMQ && tempDataMQ->isValid()) { |
| mDataMQ = std::move(tempDataMQ); |
| } else if (transport_->GetSessionType_2_1() == |
| SessionType_2_1::A2DP_HARDWARE_OFFLOAD_DATAPATH && |
| session_status == BluetoothAudioStatus::SUCCESS) { |
| transport_->ResetPresentationPosition(); |
| session_started_ = true; |
| return 0; |
| } |
| if (mDataMQ && mDataMQ->isValid()) { |
| transport_->ResetPresentationPosition(); |
| session_started_ = true; |
| return 0; |
| } else { |
| ALOGE_IF(!mDataMQ, "Failed to obtain audio data path"); |
| ALOGE_IF(mDataMQ && !mDataMQ->isValid(), "Audio data path is invalid"); |
| session_started_ = false; |
| return -EIO; |
| } |
| } |
| |
| void BluetoothAudioClientInterface::StreamStarted( |
| const BluetoothAudioCtrlAck& ack) { |
| if (provider_ == nullptr && provider_2_1_ == nullptr) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal nullptr"; |
| return; |
| } |
| if (ack == BluetoothAudioCtrlAck::PENDING) { |
| LOG(INFO) << __func__ << ": " << ack << " ignored"; |
| return; |
| } |
| BluetoothAudioStatus status = BluetoothAudioCtrlAckToHalStatus(ack); |
| |
| ::android::hardware::Return<void> hidl_retval; |
| if (provider_2_1_ != nullptr) |
| hidl_retval = provider_2_1_->streamStarted(status); |
| else |
| hidl_retval = provider_->streamStarted(status); |
| |
| if (!hidl_retval.isOk()) { |
| LOG(ERROR) << __func__ |
| << ": BluetoothAudioHal failure: " << hidl_retval.description(); |
| } |
| } |
| |
| void BluetoothAudioClientInterface::StreamSuspended( |
| const BluetoothAudioCtrlAck& ack) { |
| if (provider_ == nullptr) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal nullptr"; |
| return; |
| } |
| if (ack == BluetoothAudioCtrlAck::PENDING) { |
| LOG(INFO) << __func__ << ": " << ack << " ignored"; |
| return; |
| } |
| BluetoothAudioStatus status = BluetoothAudioCtrlAckToHalStatus(ack); |
| |
| ::android::hardware::Return<void> hidl_retval; |
| if (provider_2_1_ != nullptr) |
| hidl_retval = provider_2_1_->streamSuspended(status); |
| else |
| hidl_retval = provider_->streamSuspended(status); |
| |
| if (!hidl_retval.isOk()) { |
| LOG(ERROR) << __func__ |
| << ": BluetoothAudioHal failure: " << hidl_retval.description(); |
| } |
| } |
| |
| int BluetoothAudioClientInterface::EndSession() { |
| std::lock_guard<std::mutex> guard(internal_mutex_); |
| if (!session_started_) { |
| LOG(INFO) << __func__ << ": session ended already"; |
| return 0; |
| } |
| |
| session_started_ = false; |
| if (provider_2_1_ == nullptr && provider_ == nullptr) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal nullptr"; |
| return -EINVAL; |
| } |
| mDataMQ = nullptr; |
| |
| ::android::hardware::Return<void> hidl_retval; |
| if (provider_2_1_ != nullptr) |
| hidl_retval = provider_2_1_->endSession(); |
| else |
| hidl_retval = provider_->endSession(); |
| |
| if (!hidl_retval.isOk()) { |
| LOG(ERROR) << __func__ |
| << ": BluetoothAudioHal failure: " << hidl_retval.description(); |
| return -EPROTO; |
| } |
| return 0; |
| } |
| |
| void BluetoothAudioClientInterface::FlushAudioData() { |
| size_t size = mDataMQ->availableToRead(); |
| uint8_t p_buf[size]; |
| |
| if (mDataMQ->read(p_buf, size) != size) |
| LOG(WARNING) << __func__ << ", failed to flush data queue!"; |
| } |
| |
| size_t BluetoothAudioSinkClientInterface::ReadAudioData(uint8_t* p_buf, |
| uint32_t len) { |
| if (!IsValid()) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal is not valid"; |
| return 0; |
| } |
| if (p_buf == nullptr || len == 0) return 0; |
| |
| std::lock_guard<std::mutex> guard(internal_mutex_); |
| |
| size_t total_read = 0; |
| int timeout_ms = kDefaultDataReadTimeoutMs; |
| do { |
| if (mDataMQ == nullptr || !mDataMQ->isValid()) break; |
| |
| size_t avail_to_read = mDataMQ->availableToRead(); |
| if (avail_to_read) { |
| if (avail_to_read > len - total_read) { |
| avail_to_read = len - total_read; |
| } |
| if (mDataMQ->read(p_buf + total_read, avail_to_read) == 0) { |
| LOG(WARNING) << __func__ << ": len=" << len |
| << " total_read=" << total_read << " failed"; |
| break; |
| } |
| total_read += avail_to_read; |
| } else if (timeout_ms >= kDefaultDataReadPollIntervalMs) { |
| std::this_thread::sleep_for( |
| std::chrono::milliseconds(kDefaultDataReadPollIntervalMs)); |
| timeout_ms -= kDefaultDataReadPollIntervalMs; |
| continue; |
| } else { |
| LOG(WARNING) << __func__ << ": " << (len - total_read) << "/" << len |
| << " no data " << (kDefaultDataReadTimeoutMs - timeout_ms) |
| << " ms"; |
| break; |
| } |
| } while (total_read < len); |
| |
| if (timeout_ms < |
| (kDefaultDataReadTimeoutMs - kDefaultDataReadPollIntervalMs) && |
| timeout_ms >= kDefaultDataReadPollIntervalMs) { |
| VLOG(1) << __func__ << ": underflow " << len << " -> " << total_read |
| << " read " << (kDefaultDataReadTimeoutMs - timeout_ms) << " ms"; |
| } else { |
| VLOG(2) << __func__ << ": " << len << " -> " << total_read << " read"; |
| } |
| |
| sink_->LogBytesRead(total_read); |
| return total_read; |
| } |
| |
| void BluetoothAudioClientInterface::RenewAudioProviderAndSession() { |
| // NOTE: must be invoked on the same thread where this |
| // BluetoothAudioClientInterface is running |
| if ((HalVersionManager::GetHalVersion() == |
| BluetoothAudioHalVersion::VERSION_2_1) && |
| (transport_->GetSessionType_2_1() != SessionType_2_1::UNKNOWN)) { |
| FetchAudioProvider_2_1(); |
| } else if (transport_->GetSessionType() != SessionType::UNKNOWN) { |
| FetchAudioProvider(); |
| } else { |
| LOG(FATAL) << __func__ << ", cannot renew audio provider"; |
| return; |
| } |
| |
| if (session_started_) { |
| LOG(INFO) << __func__ << ": Restart the session while audio HAL recovering"; |
| session_started_ = false; |
| |
| if (provider_2_1_ != nullptr) |
| StartSession_2_1(); |
| else |
| StartSession(); |
| } |
| } |
| |
| size_t BluetoothAudioSourceClientInterface::WriteAudioData(const uint8_t* p_buf, |
| uint32_t len) { |
| if (provider_ == nullptr) { |
| LOG(ERROR) << __func__ << ": BluetoothAudioHal nullptr"; |
| return 0; |
| } |
| if (p_buf == nullptr || len == 0) return 0; |
| |
| std::lock_guard<std::mutex> guard(internal_mutex_); |
| |
| size_t total_written = 0; |
| int timeout_ms = kDefaultDataWriteTimeoutMs; |
| do { |
| if (mDataMQ == nullptr || !mDataMQ->isValid()) break; |
| |
| size_t avail_to_write = mDataMQ->availableToWrite(); |
| if (avail_to_write) { |
| if (avail_to_write > len - total_written) { |
| avail_to_write = len - total_written; |
| } |
| if (mDataMQ->write(p_buf + total_written, avail_to_write) == 0) { |
| LOG(WARNING) << __func__ << ": len=" << len |
| << " total_written=" << total_written << " failed"; |
| break; |
| } |
| total_written += avail_to_write; |
| } else if (timeout_ms >= kDefaultDataWritePollIntervalMs) { |
| std::this_thread::sleep_for( |
| std::chrono::milliseconds(kDefaultDataWritePollIntervalMs)); |
| timeout_ms -= kDefaultDataWritePollIntervalMs; |
| continue; |
| } else { |
| LOG(WARNING) << __func__ << ": " << (len - total_written) << "/" << len |
| << " no data " << (kDefaultDataWriteTimeoutMs - timeout_ms) |
| << " ms"; |
| break; |
| } |
| } while (total_written < len); |
| |
| if (timeout_ms < |
| (kDefaultDataWriteTimeoutMs - kDefaultDataWritePollIntervalMs) && |
| timeout_ms >= kDefaultDataWritePollIntervalMs) { |
| VLOG(1) << __func__ << ": underflow " << len << " -> " << total_written |
| << " read " << (kDefaultDataWriteTimeoutMs - timeout_ms) << " ms"; |
| } else { |
| VLOG(2) << __func__ << ": " << len << " -> " << total_written << " written"; |
| } |
| |
| source_->LogBytesWritten(total_written); |
| return total_written; |
| } |
| |
| } // namespace audio |
| } // namespace bluetooth |
