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886 lines
31 KiB
886 lines
31 KiB
/*
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* Copyright 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "BTAudioClientIf"
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#include "client_interface.h"
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#include "hal_version_manager.h"
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#include <android/hardware/bluetooth/audio/2.0/IBluetoothAudioPort.h>
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#include <base/logging.h>
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#include <hidl/MQDescriptor.h>
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#include <future>
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#include "common/stop_watch_legacy.h"
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#include "osi/include/log.h"
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namespace bluetooth {
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namespace audio {
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using ::android::hardware::hidl_vec;
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using ::android::hardware::Return;
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using ::android::hardware::Void;
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using ::android::hardware::audio::common::V5_0::SourceMetadata;
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using ::android::hardware::bluetooth::audio::V2_0::IBluetoothAudioPort;
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using ::bluetooth::common::StopWatchLegacy;
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using DataMQ = ::android::hardware::MessageQueue<
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uint8_t, ::android::hardware::kSynchronizedReadWrite>;
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static constexpr int kDefaultDataReadTimeoutMs = 10; // 10 ms
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static constexpr int kDefaultDataWriteTimeoutMs = 10; // 10 ms
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static constexpr int kDefaultDataReadPollIntervalMs = 1; // non-blocking poll
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static constexpr int kDefaultDataWritePollIntervalMs = 1; // non-blocking poll
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std::unique_ptr<HalVersionManager> HalVersionManager::instance_ptr =
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std::unique_ptr<HalVersionManager>(new HalVersionManager());
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std::ostream& operator<<(std::ostream& os, const BluetoothAudioCtrlAck& ack) {
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switch (ack) {
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case BluetoothAudioCtrlAck::SUCCESS_FINISHED:
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return os << "SUCCESS_FINISHED";
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case BluetoothAudioCtrlAck::PENDING:
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return os << "PENDING";
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case BluetoothAudioCtrlAck::FAILURE_UNSUPPORTED:
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return os << "FAILURE_UNSUPPORTED";
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case BluetoothAudioCtrlAck::FAILURE_BUSY:
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return os << "FAILURE_BUSY";
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case BluetoothAudioCtrlAck::FAILURE_DISCONNECTING:
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return os << "FAILURE_DISCONNECTING";
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case BluetoothAudioCtrlAck::FAILURE:
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return os << "FAILURE";
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default:
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return os << "UNDEFINED " << static_cast<int8_t>(ack);
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}
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}
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class BluetoothAudioPortImpl : public IBluetoothAudioPort {
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public:
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BluetoothAudioPortImpl(IBluetoothTransportInstance* transport_instance,
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const android::sp<IBluetoothAudioProvider>& provider)
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: transport_instance_(transport_instance), provider_(provider) {}
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Return<void> startStream() override {
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StopWatchLegacy(__func__);
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BluetoothAudioCtrlAck ack = transport_instance_->StartRequest();
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if (ack != BluetoothAudioCtrlAck::PENDING) {
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auto hidl_retval =
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provider_->streamStarted(BluetoothAudioCtrlAckToHalStatus(ack));
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if (!hidl_retval.isOk()) {
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LOG(ERROR) << __func__ << ": BluetoothAudioHal failure: "
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<< hidl_retval.description();
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}
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}
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return Void();
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}
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Return<void> suspendStream() override {
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StopWatchLegacy(__func__);
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BluetoothAudioCtrlAck ack = transport_instance_->SuspendRequest();
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if (ack != BluetoothAudioCtrlAck::PENDING) {
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auto hidl_retval =
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provider_->streamSuspended(BluetoothAudioCtrlAckToHalStatus(ack));
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if (!hidl_retval.isOk()) {
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LOG(ERROR) << __func__ << ": BluetoothAudioHal failure: "
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<< hidl_retval.description();
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}
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}
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return Void();
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}
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Return<void> stopStream() override {
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StopWatchLegacy(__func__);
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transport_instance_->StopRequest();
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return Void();
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}
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Return<void> getPresentationPosition(
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getPresentationPosition_cb _hidl_cb) override {
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StopWatchLegacy(__func__);
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uint64_t remote_delay_report_ns;
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uint64_t total_bytes_read;
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timespec data_position;
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bool retval = transport_instance_->GetPresentationPosition(
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&remote_delay_report_ns, &total_bytes_read, &data_position);
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TimeSpec transmittedOctetsTimeStamp;
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if (retval) {
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transmittedOctetsTimeStamp = timespec_convert_to_hal(data_position);
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} else {
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remote_delay_report_ns = 0;
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total_bytes_read = 0;
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transmittedOctetsTimeStamp = {};
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}
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VLOG(2) << __func__ << ": result=" << retval
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<< ", delay=" << remote_delay_report_ns
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<< ", data=" << total_bytes_read
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<< " byte(s), timestamp=" << toString(transmittedOctetsTimeStamp);
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_hidl_cb((retval ? BluetoothAudioStatus::SUCCESS
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: BluetoothAudioStatus::FAILURE),
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remote_delay_report_ns, total_bytes_read,
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transmittedOctetsTimeStamp);
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return Void();
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}
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Return<void> updateMetadata(const SourceMetadata& sourceMetadata) override {
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StopWatchLegacy(__func__);
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LOG(INFO) << __func__ << ": " << sourceMetadata.tracks.size()
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<< " track(s)";
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// refer to StreamOut.impl.h within Audio HAL (AUDIO_HAL_VERSION_5_0)
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std::vector<playback_track_metadata> metadata_vec;
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metadata_vec.reserve(sourceMetadata.tracks.size());
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for (const auto& metadata : sourceMetadata.tracks) {
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metadata_vec.push_back({
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.usage = static_cast<audio_usage_t>(metadata.usage),
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.content_type =
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static_cast<audio_content_type_t>(metadata.contentType),
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.gain = metadata.gain,
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});
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}
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const source_metadata_t source_metadata = {
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.track_count = metadata_vec.size(), .tracks = metadata_vec.data()};
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transport_instance_->MetadataChanged(source_metadata);
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return Void();
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}
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private:
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IBluetoothTransportInstance* transport_instance_;
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const android::sp<IBluetoothAudioProvider> provider_;
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TimeSpec timespec_convert_to_hal(const timespec& ts) {
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return {.tvSec = static_cast<uint64_t>(ts.tv_sec),
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.tvNSec = static_cast<uint64_t>(ts.tv_nsec)};
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}
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};
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class BluetoothAudioDeathRecipient
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: public ::android::hardware::hidl_death_recipient {
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public:
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BluetoothAudioDeathRecipient(
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BluetoothAudioClientInterface* clientif,
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bluetooth::common::MessageLoopThread* message_loop)
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: bluetooth_audio_clientif_(clientif), message_loop_(message_loop) {}
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void serviceDied(
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uint64_t /*cookie*/,
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const ::android::wp<::android::hidl::base::V1_0::IBase>& /*who*/)
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override {
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LOG(WARNING) << __func__ << ": restarting connection with new Audio Hal";
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if (bluetooth_audio_clientif_ != nullptr && message_loop_ != nullptr) {
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// restart the session on the correct thread
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message_loop_->DoInThread(
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FROM_HERE,
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base::BindOnce(
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&BluetoothAudioClientInterface::RenewAudioProviderAndSession,
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base::Unretained(bluetooth_audio_clientif_)));
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} else {
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LOG(ERROR) << __func__ << ": BluetoothAudioClientInterface corrupted";
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}
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}
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private:
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BluetoothAudioClientInterface* bluetooth_audio_clientif_;
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bluetooth::common::MessageLoopThread* message_loop_;
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};
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// Constructs an BluetoothAudioClientInterface to communicate to
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// BluetoothAudio HAL. |message_loop| is the thread where callbacks are
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// invoked.
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BluetoothAudioClientInterface::BluetoothAudioClientInterface(
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android::sp<BluetoothAudioDeathRecipient> death_recipient,
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IBluetoothTransportInstance* instance)
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: provider_(nullptr),
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provider_2_1_(nullptr),
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session_started_(false),
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mDataMQ(nullptr),
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transport_(instance) {
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death_recipient_ = death_recipient;
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}
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std::vector<AudioCapabilities>
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BluetoothAudioClientInterface::GetAudioCapabilities() const {
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return capabilities_;
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}
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std::vector<AudioCapabilities_2_1>
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BluetoothAudioClientInterface::GetAudioCapabilities_2_1() const {
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return capabilities_2_1_;
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}
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std::vector<AudioCapabilities>
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BluetoothAudioClientInterface::GetAudioCapabilities(SessionType session_type) {
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std::vector<AudioCapabilities> capabilities(0);
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if (HalVersionManager::GetHalVersion() ==
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BluetoothAudioHalVersion::VERSION_UNAVAILABLE) {
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LOG(ERROR) << __func__ << ", can't get capability from unknown factory";
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return capabilities;
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}
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android::sp<IBluetoothAudioProvidersFactory_2_0> providersFactory =
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HalVersionManager::GetProvidersFactory_2_0();
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CHECK(providersFactory != nullptr)
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<< "IBluetoothAudioProvidersFactory::getService() failed";
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auto getProviderCapabilities_cb =
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[&capabilities](const hidl_vec<AudioCapabilities>& audioCapabilities) {
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for (auto capability : audioCapabilities) {
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capabilities.push_back(capability);
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}
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};
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auto hidl_retval = providersFactory->getProviderCapabilities(
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session_type, getProviderCapabilities_cb);
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if (!hidl_retval.isOk()) {
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LOG(FATAL) << __func__
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<< ": BluetoothAudioHal::getProviderCapabilities failure: "
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<< hidl_retval.description();
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}
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return capabilities;
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}
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std::vector<AudioCapabilities_2_1>
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BluetoothAudioClientInterface::GetAudioCapabilities_2_1(
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SessionType_2_1 session_type_2_1) {
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std::vector<AudioCapabilities_2_1> capabilities_2_1(0);
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if (HalVersionManager::GetHalVersion() !=
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BluetoothAudioHalVersion::VERSION_2_1) {
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LOG(ERROR) << __func__ << ", can't get capability for HAL 2.1";
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return capabilities_2_1;
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}
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android::sp<IBluetoothAudioProvidersFactory_2_1> providersFactory =
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HalVersionManager::GetProvidersFactory_2_1();
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CHECK(providersFactory != nullptr)
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<< "IBluetoothAudioProvidersFactory::getService() failed";
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auto getProviderCapabilities_cb =
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[&capabilities_2_1](
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const hidl_vec<AudioCapabilities_2_1>& audioCapabilities_2_1) {
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for (auto capability_2_1 : audioCapabilities_2_1) {
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capabilities_2_1.push_back(capability_2_1);
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}
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};
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auto hidl_retval = providersFactory->getProviderCapabilities_2_1(
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session_type_2_1, getProviderCapabilities_cb);
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if (!hidl_retval.isOk()) {
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LOG(FATAL) << __func__
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<< ": BluetoothAudioHal::getProviderCapabilities failure: "
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<< hidl_retval.description();
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}
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return capabilities_2_1;
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}
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void BluetoothAudioClientInterface::FetchAudioProvider() {
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if (provider_ != nullptr) {
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LOG(WARNING) << __func__ << ": reflash";
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}
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android::sp<IBluetoothAudioProvidersFactory_2_0> providersFactory =
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HalVersionManager::GetProvidersFactory_2_0();
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CHECK(providersFactory != nullptr)
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<< "IBluetoothAudioProvidersFactory::getService() failed";
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auto getProviderCapabilities_cb =
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[& capabilities = this->capabilities_](
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const hidl_vec<AudioCapabilities>& audioCapabilities) {
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capabilities.clear();
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for (auto capability : audioCapabilities) {
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capabilities.push_back(capability);
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}
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};
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auto hidl_retval = providersFactory->getProviderCapabilities(
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transport_->GetSessionType(), getProviderCapabilities_cb);
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if (!hidl_retval.isOk()) {
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LOG(FATAL) << __func__
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<< ": BluetoothAudioHal::getProviderCapabilities failure: "
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<< hidl_retval.description();
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return;
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}
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if (capabilities_.empty()) {
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LOG(WARNING) << __func__
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<< ": SessionType=" << toString(transport_->GetSessionType())
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<< " Not supported by BluetoothAudioHal";
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return;
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}
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LOG(INFO) << __func__ << ": BluetoothAudioHal SessionType="
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<< toString(transport_->GetSessionType()) << " has "
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<< capabilities_.size() << " AudioCapabilities";
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std::promise<void> openProvider_promise;
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auto openProvider_future = openProvider_promise.get_future();
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auto openProvider_cb =
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[& provider_ = this->provider_, &openProvider_promise](
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BluetoothAudioStatus status,
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const android::sp<IBluetoothAudioProvider>& provider) {
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LOG(INFO) << "openProvider_cb(" << toString(status) << ")";
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if (status == BluetoothAudioStatus::SUCCESS) {
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provider_ = provider;
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}
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ALOGE_IF(!provider_, "Failed to open BluetoothAudio provider");
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openProvider_promise.set_value();
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};
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hidl_retval = providersFactory->openProvider(transport_->GetSessionType(),
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openProvider_cb);
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openProvider_future.get();
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if (!hidl_retval.isOk()) {
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LOG(FATAL) << __func__ << ": BluetoothAudioHal::openProvider failure: "
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<< hidl_retval.description();
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}
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CHECK(provider_ != nullptr);
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if (!provider_->linkToDeath(death_recipient_, 0).isOk()) {
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LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: "
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<< hidl_retval.description();
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}
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LOG(INFO) << "IBluetoothAudioProvidersFactory::openProvider() returned "
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<< provider_.get()
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<< (provider_->isRemote() ? " (remote)" : " (local)");
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}
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void BluetoothAudioClientInterface::FetchAudioProvider_2_1() {
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if (provider_2_1_ != nullptr) {
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LOG(WARNING) << __func__ << ": reflash";
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}
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android::sp<IBluetoothAudioProvidersFactory_2_1> providersFactory =
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HalVersionManager::GetProvidersFactory_2_1();
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CHECK(providersFactory != nullptr)
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<< "IBluetoothAudioProvidersFactory_2_1::getService() failed";
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auto getProviderCapabilities_cb =
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[&capabilities_2_1 = this->capabilities_2_1_](
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const hidl_vec<AudioCapabilities_2_1>& audioCapabilities_2_1) {
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capabilities_2_1.clear();
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for (auto capability_2_1 : audioCapabilities_2_1) {
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capabilities_2_1.push_back(capability_2_1);
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}
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};
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auto hidl_retval = providersFactory->getProviderCapabilities_2_1(
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transport_->GetSessionType_2_1(), getProviderCapabilities_cb);
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if (!hidl_retval.isOk()) {
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LOG(FATAL) << __func__
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<< ": BluetoothAudioHal::getProviderCapabilities failure: "
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<< hidl_retval.description();
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return;
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}
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if (capabilities_2_1_.empty()) {
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LOG(WARNING) << __func__ << ": SessionType="
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<< toString(transport_->GetSessionType_2_1())
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<< " Not supported by BluetoothAudioHal";
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return;
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}
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LOG(INFO) << __func__ << ": BluetoothAudioHal SessionType="
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<< toString(transport_->GetSessionType_2_1()) << " has "
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<< capabilities_2_1_.size() << " AudioCapabilities";
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std::promise<void> openProvider_promise;
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auto openProvider_future = openProvider_promise.get_future();
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auto openProvider_cb =
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[&provider_2_1_ = this->provider_2_1_, &openProvider_promise](
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BluetoothAudioStatus status,
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const android::sp<IBluetoothAudioProvider_2_1>& provider_2_1) {
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LOG(INFO) << "openProvider_cb(" << toString(status) << ")";
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if (status == BluetoothAudioStatus::SUCCESS) {
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provider_2_1_ = provider_2_1;
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}
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ALOGE_IF(!provider_2_1_, "Failed to open BluetoothAudio provider_2_1");
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openProvider_promise.set_value();
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};
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hidl_retval = providersFactory->openProvider_2_1(
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transport_->GetSessionType_2_1(), openProvider_cb);
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openProvider_future.get();
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if (!hidl_retval.isOk()) {
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LOG(FATAL) << __func__ << ": BluetoothAudioHal::openProvider failure: "
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<< hidl_retval.description();
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}
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CHECK(provider_2_1_ != nullptr);
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if (!provider_2_1_->linkToDeath(death_recipient_, 0).isOk()) {
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LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: "
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<< hidl_retval.description();
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}
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LOG(INFO) << "IBluetoothAudioProvidersFactory::openProvider() returned "
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<< provider_2_1_.get()
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<< (provider_2_1_->isRemote() ? " (remote)" : " (local)");
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}
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BluetoothAudioSinkClientInterface::BluetoothAudioSinkClientInterface(
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IBluetoothSinkTransportInstance* sink,
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bluetooth::common::MessageLoopThread* message_loop)
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: BluetoothAudioClientInterface{new BluetoothAudioDeathRecipient(
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this, message_loop),
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sink},
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sink_(sink) {
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if (HalVersionManager::GetHalVersion() ==
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BluetoothAudioHalVersion::VERSION_UNAVAILABLE) {
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return;
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}
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if ((HalVersionManager::GetHalVersion() ==
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BluetoothAudioHalVersion::VERSION_2_1) &&
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(sink_->GetSessionType_2_1() != SessionType_2_1::UNKNOWN)) {
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FetchAudioProvider_2_1();
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return;
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}
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FetchAudioProvider();
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}
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BluetoothAudioSinkClientInterface::~BluetoothAudioSinkClientInterface() {
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if (provider_ != nullptr) {
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auto hidl_retval = provider_->unlinkToDeath(death_recipient_);
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if (!hidl_retval.isOk()) {
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LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: "
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<< hidl_retval.description();
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}
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}
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if (provider_2_1_ != nullptr) {
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auto hidl_retval = provider_2_1_->unlinkToDeath(death_recipient_);
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if (!hidl_retval.isOk()) {
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LOG(FATAL) << __func__ << ": BluetoothAudioDeathRecipient failure: "
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<< hidl_retval.description();
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}
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}
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}
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BluetoothAudioSourceClientInterface::BluetoothAudioSourceClientInterface(
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IBluetoothSourceTransportInstance* source,
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bluetooth::common::MessageLoopThread* message_loop)
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: BluetoothAudioClientInterface{new BluetoothAudioDeathRecipient(
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this, message_loop),
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source},
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source_(source) {
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if (HalVersionManager::GetHalVersion() ==
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BluetoothAudioHalVersion::VERSION_UNAVAILABLE) {
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return;
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}
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if ((HalVersionManager::GetHalVersion() ==
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BluetoothAudioHalVersion::VERSION_2_1) &&
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(source_->GetSessionType_2_1() != SessionType_2_1::UNKNOWN)) {
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FetchAudioProvider_2_1();
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return;
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}
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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
|