144 lines
4.4 KiB
C++
144 lines
4.4 KiB
C++
/*
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* Copyright 2018 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 "BTAudioProviderStub"
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#include <android-base/logging.h>
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#include "BluetoothAudioProvider.h"
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#include "BluetoothAudioSessionReport.h"
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#include "BluetoothAudioSupportedCodecsDB.h"
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namespace android {
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namespace hardware {
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namespace bluetooth {
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namespace audio {
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namespace V2_0 {
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namespace implementation {
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using ::android::bluetooth::audio::BluetoothAudioSessionReport;
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using ::android::hardware::kSynchronizedReadWrite;
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using ::android::hardware::MessageQueue;
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using ::android::hardware::Void;
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using DataMQ = MessageQueue<uint8_t, kSynchronizedReadWrite>;
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void BluetoothAudioDeathRecipient::serviceDied(
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uint64_t cookie __unused,
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const wp<::android::hidl::base::V1_0::IBase>& who __unused) {
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LOG(ERROR) << "BluetoothAudioDeathRecipient::" << __func__
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<< " - BluetoothAudio Service died";
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provider_->endSession();
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}
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BluetoothAudioProvider::BluetoothAudioProvider()
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: death_recipient_(new BluetoothAudioDeathRecipient(this)),
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session_type_(SessionType::UNKNOWN),
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audio_config_({}) {}
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Return<void> BluetoothAudioProvider::startSession(
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const sp<IBluetoothAudioPort>& hostIf,
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const AudioConfiguration& audioConfig, startSession_cb _hidl_cb) {
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if (hostIf == nullptr) {
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_hidl_cb(BluetoothAudioStatus::FAILURE, DataMQ::Descriptor());
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return Void();
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}
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/**
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* Initialize the audio platform if audioConfiguration is supported.
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* Save the the IBluetoothAudioPort interface, so that it can be used
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* later to send stream control commands to the HAL client, based on
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* interaction with Audio framework.
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*/
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audio_config_ = audioConfig;
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stack_iface_ = hostIf;
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stack_iface_->linkToDeath(death_recipient_, 0);
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LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
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<< ", AudioConfiguration=[" << toString(audio_config_) << "]";
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onSessionReady(_hidl_cb);
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return Void();
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}
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Return<void> BluetoothAudioProvider::streamStarted(
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BluetoothAudioStatus status) {
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LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
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<< ", status=" << toString(status);
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/**
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* Streaming on control path has started,
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* HAL server should start the streaming on data path.
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*/
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if (stack_iface_) {
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BluetoothAudioSessionReport::ReportControlStatus(session_type_, true,
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status);
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} else {
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LOG(WARNING) << __func__ << " - SessionType=" << toString(session_type_)
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<< ", status=" << toString(status) << " has NO session";
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}
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return Void();
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}
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Return<void> BluetoothAudioProvider::streamSuspended(
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BluetoothAudioStatus status) {
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LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
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<< ", status=" << toString(status);
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/**
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* Streaming on control path has suspend,
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* HAL server should suspend the streaming on data path.
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*/
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if (stack_iface_) {
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BluetoothAudioSessionReport::ReportControlStatus(session_type_, false,
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status);
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} else {
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LOG(WARNING) << __func__ << " - SessionType=" << toString(session_type_)
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<< ", status=" << toString(status) << " has NO session";
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}
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return Void();
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}
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Return<void> BluetoothAudioProvider::endSession() {
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LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_);
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if (stack_iface_) {
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BluetoothAudioSessionReport::OnSessionEnded(session_type_);
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stack_iface_->unlinkToDeath(death_recipient_);
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} else {
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LOG(INFO) << __func__ << " - SessionType=" << toString(session_type_)
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<< " has NO session";
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}
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/**
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* Clean up the audio platform as remote audio device is no
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* longer active
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*/
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stack_iface_ = nullptr;
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audio_config_ = {};
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return Void();
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}
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} // namespace implementation
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} // namespace V2_0
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} // namespace audio
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} // namespace bluetooth
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} // namespace hardware
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} // namespace android
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