72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
/*
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* Copyright (C) 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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#include <utils/SystemClock.h>
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#include "DetectionGenerator.h"
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namespace android {
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namespace hardware {
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namespace automotive {
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namespace occupant_awareness {
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namespace V1_0 {
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namespace implementation {
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using ::aidl::android::hardware::automotive::occupant_awareness::ConfidenceLevel;
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using ::aidl::android::hardware::automotive::occupant_awareness::DriverMonitoringDetection;
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using ::aidl::android::hardware::automotive::occupant_awareness::OccupantDetection;
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using ::aidl::android::hardware::automotive::occupant_awareness::PresenceDetection;
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static int64_t kNanoSecondsPerMilliSecond = 1000 * 1000;
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OccupantDetections DetectionGenerator::GetNextDetections() {
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OccupantDetections detections;
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detections.timeStampMillis = android::elapsedRealtimeNano() / kNanoSecondsPerMilliSecond;
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int remainingRoles = getSupportedRoles();
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while (remainingRoles) {
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int currentRole = remainingRoles & (~(remainingRoles - 1));
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remainingRoles = remainingRoles & (remainingRoles - 1);
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OccupantDetection occupantDetection;
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occupantDetection.role = static_cast<Role>(currentRole);
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// Add presence detection object for this occupant.
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PresenceDetection presenceDetection;
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presenceDetection.isOccupantDetected = true;
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presenceDetection.detectionDurationMillis = detections.timeStampMillis;
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occupantDetection.presenceData.emplace_back(presenceDetection);
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if (occupantDetection.role == Role::DRIVER) {
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// Add driver monitoring detection object for this occupant.
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DriverMonitoringDetection driverMonitoringDetection;
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driverMonitoringDetection.confidenceScore = ConfidenceLevel::HIGH;
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driverMonitoringDetection.isLookingOnRoad = 0;
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driverMonitoringDetection.gazeDurationMillis = detections.timeStampMillis;
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occupantDetection.attentionData.emplace_back(driverMonitoringDetection);
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}
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detections.detections.emplace_back(occupantDetection);
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}
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return detections;
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}
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} // namespace implementation
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} // namespace V1_0
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} // namespace occupant_awareness
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} // namespace automotive
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} // namespace hardware
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} // namespace android
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