| /* |
| * Copyright (C) 2017 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.media.tests; |
| |
| import com.android.ddmlib.CollectingOutputReceiver; |
| import com.android.tradefed.device.DeviceNotAvailableException; |
| import com.android.tradefed.device.ITestDevice; |
| import com.android.tradefed.log.LogUtil.CLog; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| /** Class to provide audio level utility functions for a test device */ |
| public class AudioLevelUtility { |
| |
| public static int extractDeviceHeadsetLevelFromAdbShell(ITestDevice device) |
| throws DeviceNotAvailableException { |
| |
| final String ADB_SHELL_DUMPSYS_AUDIO = "dumpsys audio"; |
| final String STREAM_MUSIC = "- STREAM_MUSIC:"; |
| final String HEADSET = "(headset): "; |
| |
| final CollectingOutputReceiver receiver = new CollectingOutputReceiver(); |
| |
| device.executeShellCommand( |
| ADB_SHELL_DUMPSYS_AUDIO, receiver, 300, TimeUnit.MILLISECONDS, 1); |
| final String shellOutput = receiver.getOutput(); |
| if (shellOutput == null || shellOutput.isEmpty()) { |
| return -1; |
| } |
| |
| int audioLevel = -1; |
| int pos = shellOutput.indexOf(STREAM_MUSIC); |
| if (pos != -1) { |
| pos = shellOutput.indexOf(HEADSET, pos); |
| if (pos != -1) { |
| final int start = pos + HEADSET.length(); |
| final int stop = shellOutput.indexOf(",", start); |
| if (stop != -1) { |
| final String audioLevelStr = shellOutput.substring(start, stop); |
| try { |
| audioLevel = Integer.parseInt(audioLevelStr); |
| } catch (final NumberFormatException e) { |
| CLog.e(e.getMessage()); |
| audioLevel = 1; |
| } |
| } |
| } |
| } |
| |
| return audioLevel; |
| } |
| } |