| /* |
| * Copyright (C) 2018 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. |
| */ |
| package com.android.internal.os; |
| |
| import android.os.BatteryStats; |
| |
| /** |
| * A {@link PowerCalculator} to calculate power consumed by audio and video hardware. |
| * |
| * Also see {@link PowerProfile#POWER_AUDIO} and {@link PowerProfile#POWER_VIDEO}. |
| */ |
| public class MediaPowerCalculator extends PowerCalculator { |
| private static final int MS_IN_HR = 1000 * 60 * 60; |
| private final double mAudioAveragePowerMa; |
| private final double mVideoAveragePowerMa; |
| |
| public MediaPowerCalculator(PowerProfile profile) { |
| mAudioAveragePowerMa = profile.getAveragePower(PowerProfile.POWER_AUDIO); |
| mVideoAveragePowerMa = profile.getAveragePower(PowerProfile.POWER_VIDEO); |
| } |
| |
| @Override |
| public void calculateApp(BatterySipper app, BatteryStats.Uid u, long rawRealtimeUs, |
| long rawUptimeUs, int statsType) { |
| // Calculate audio power usage, an estimate based on the average power routed to different |
| // components like speaker, bluetooth, usb-c, earphone, etc. |
| final BatteryStats.Timer audioTimer = u.getAudioTurnedOnTimer(); |
| if (audioTimer == null) { |
| app.audioTimeMs = 0; |
| app.audioPowerMah = 0; |
| } else { |
| final long totalTime = audioTimer.getTotalTimeLocked(rawRealtimeUs, statsType) / 1000; |
| app.audioTimeMs = totalTime; |
| app.audioPowerMah = (totalTime * mAudioAveragePowerMa) / MS_IN_HR; |
| } |
| |
| // Calculate video power usage. |
| final BatteryStats.Timer videoTimer = u.getVideoTurnedOnTimer(); |
| if (videoTimer == null) { |
| app.videoTimeMs = 0; |
| app.videoPowerMah = 0; |
| } else { |
| final long totalTime = videoTimer.getTotalTimeLocked(rawRealtimeUs, statsType) / 1000; |
| app.videoTimeMs = totalTime; |
| app.videoPowerMah = (totalTime * mVideoAveragePowerMa) / MS_IN_HR; |
| } |
| } |
| } |